:root{
    --cover:#1E1B4B; --cover-soft:#2B2260;
    --gold:#D97706; --gold-light:#F59E0B;
    --page:#FBF6E9; --page-line:#E4DCFA;
    --ink:#241F3D; --ink-soft:#6B6588;
    --green:#0DA641; --green-soft:#E4F3EC;
    --red-seal:#B0402E; --red-seal-soft:#F7E6E2;
    --sky:#2DAEE0; --sky-soft:#E4F6FC;
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
  .s-tscript-fold{margin:12px 0;border:1.5px dashed #B9A4F0;border-radius:14px;background:#F8F5FF;padding:0 12px;}.s-tscript-fold>summary{cursor:pointer;font-weight:800;font-size:13px;color:#5A3FA8;padding:10px 0;min-height:44px;display:flex;align-items:center;}.s-tscript-fold[open]>summary{border-bottom:1px solid #E4DCFA;margin-bottom:8px;}.s-tscript-fold>.s-teacher-script{margin:0 0 10px!important;}
  .ss-sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
  @media(min-width:900px){.book{border-radius:24px}.stage{padding:22px 26px 28px}.step-title{font-size:25px}.step-sub{font-size:14px}.card{border-radius:20px;padding:22px}.topbar{padding:16px 24px}}
  @media(min-width:1200px){.stage{padding-left:70px;padding-right:70px}}
  html,body{margin:0;height:100%;background:linear-gradient(180deg,#BEE8FB 0%,#D9F3FF 40%,#FBF6E9 100%);font-family:'Plus Jakarta Sans',sans-serif;color:var(--ink);overflow-x:hidden;}
  body{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:18px;}
  h1,h2,h3{font-family:'Baloo 2',sans-serif;margin:0;color:var(--ink);}
  button{font-family:inherit;cursor:pointer;border:none;touch-action:manipulation;-webkit-user-select:none;user-select:none;}

  /* ============= PASSPORT BOOK SHELL ============= */
  .book{width:100%;max-width:460px;height:min(900px,calc(100dvh - 36px));background:var(--page);border-radius:18px;box-shadow:0 30px 70px rgba(0,0,0,.5);display:flex;flex-direction:column;overflow:hidden;position:relative;border:1px solid rgba(224,148,15,.25);}
  .screen{display:none;flex-direction:column;height:100%;overflow:hidden;}
  .screen.active{display:flex;}

  /* ============= COVER SCREEN — bright & kid-friendly ============= */
  #coverScreen{background:linear-gradient(180deg,#8FD9FA 0%,#BEE8FB 45%,#FBF6E9 100%);color:var(--ink);align-items:center;justify-content:center;padding:36px 28px;text-align:center;position:relative;overflow:hidden;}
  #coverScreen .cloud{position:absolute;background:rgba(255,255,255,.9);border-radius:40px;}
  #coverScreen .cloud::before,#coverScreen .cloud::after{content:"";position:absolute;background:inherit;border-radius:50%;}
  #coverScreen .cloud.c1{width:70px;height:24px;top:6%;left:8%;}
  #coverScreen .cloud.c1::before{width:32px;height:32px;top:-15px;left:8px;}
  #coverScreen .cloud.c1::after{width:24px;height:24px;top:-9px;left:36px;}
  #coverScreen .cloud.c2{width:54px;height:18px;top:13%;right:10%;}
  #coverScreen .cloud.c2::before{width:26px;height:26px;top:-13px;left:6px;}
  #coverScreen .cloud.c2::after{width:18px;height:18px;top:-7px;left:28px;}
  .cover-logo{width:96px;height:96px;border-radius:24px;background:#fff;box-shadow:0 10px 26px rgba(30,27,75,.18);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;padding:12px;position:relative;z-index:1;}
  .cover-logo img{width:100%;height:100%;object-fit:contain;}
  .cover-logo .fallback{display:none;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:34px;color:var(--cover);}
  .cover-title{font-family:'Baloo 2',sans-serif;font-size:28px;font-weight:800;color:var(--cover);line-height:1.2;margin-bottom:4px;position:relative;z-index:1;}
  .cover-title .accent{color:var(--gold);}
  .cover-sub{font-size:13px;color:var(--ink-soft);font-weight:700;letter-spacing:.2px;margin-bottom:30px;position:relative;z-index:1;}
  .cover-card{background:#fff;border-radius:20px;padding:22px 20px;width:100%;max-width:310px;box-shadow:0 14px 32px rgba(30,27,75,.12);position:relative;z-index:1;}
  .cover-greet-emoji{font-size:40px;margin-bottom:8px;}
  .cover-greet-name{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:19px;color:var(--cover);}
  .cover-greet-role{font-size:12px;color:var(--ink-soft);font-weight:700;margin-top:2px;margin-bottom:18px;}
  .cover-select{width:100%;padding:12px 14px;border-radius:12px;border:1.5px solid var(--page-line);background:var(--page);font-size:14px;font-family:inherit;color:var(--ink);margin-bottom:12px;}
  .cover-open{background:var(--gold);color:#fff;font-weight:800;font-size:15.5px;padding:14px 36px;border-radius:999px;box-shadow:0 6px 0 #AC6B0A;width:100%;}
  .cover-open:active{transform:translateY(3px);box-shadow:0 2px 0 #AC6B0A;}
  .cover-open:disabled{opacity:.4;pointer-events:none;}
  .cover-spinner{font-size:13px;color:var(--ink-soft);font-weight:600;}
  .cover-error{background:var(--red-seal-soft);color:var(--red-seal);border-radius:12px;padding:12px 14px;font-size:12.5px;font-weight:600;margin-bottom:14px;}
  .cover-logout{margin-top:14px;font-size:12px;color:var(--ink-soft);font-weight:700;background:none;text-decoration:underline;position:relative;z-index:1;}

  /* ============= TOPBAR (inside pages) ============= */
  .topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #EFE7FB;flex-shrink:0;background:linear-gradient(180deg,#FCFAFF,#F8F5FF);}
  .tb-back{width:34px;height:34px;border-radius:10px;background:#fff;border:1.5px solid #E4DCFA;color:#7C3FE0;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;}
  .tb-title{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:15px;color:var(--ink);}
  .tb-role{font-size:12px;font-weight:800;color:#7C3FE0;background:#F1EBFF;border:1px solid #E4DCFA;padding:5px 11px;border-radius:999px;}

  /* ============= WORLD MAP (floating islands) ============= */
  #worldScreen{background:linear-gradient(180deg,#BEE8FB 0%,#D9F3FF 24%,#EAF8FF 52%,var(--page) 100%);position:relative;}
  .sky-decor{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;}
  .cloud{position:absolute;background:rgba(255,255,255,.88);border-radius:40px;}
  .cloud::before,.cloud::after{content:"";position:absolute;background:inherit;border-radius:50%;}
  .cloud.c1{width:62px;height:22px;top:5%;left:8%;animation:driftR 24s ease-in-out infinite;}
  .cloud.c1::before{width:28px;height:28px;top:-14px;left:7px;}
  .cloud.c1::after{width:22px;height:22px;top:-8px;left:32px;}
  .cloud.c2{width:48px;height:16px;top:12%;left:64%;animation:driftL 30s ease-in-out infinite;opacity:.9;}
  .cloud.c2::before{width:24px;height:24px;top:-12px;left:5px;}
  .cloud.c2::after{width:16px;height:16px;top:-6px;left:26px;}
  @keyframes driftR{0%,100%{transform:translateX(0);}50%{transform:translateX(18px);}}
  @keyframes driftL{0%,100%{transform:translateX(0);}50%{transform:translateX(-18px);}}
  @keyframes floatBob{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
  @keyframes shadowPulse{0%,100%{transform:scale(1);opacity:.4;}50%{transform:scale(.78);opacity:.22;}}
  .world-scroll{flex:1;overflow-y:auto;padding:16px 0 30px;position:relative;z-index:1;}
  .world-row{position:relative;display:flex;flex-direction:column;align-items:center;margin:22px 0;}
  .world-row.left{align-self:flex-start;margin-left:10%;}
  .world-row.right{align-self:flex-end;margin-right:10%;}
  .world-row.center{align-self:center;}
  .world-btn{width:92px;height:92px;border-radius:50%;background:#fff;border:5px solid var(--sky);display:flex;align-items:center;justify-content:center;font-size:38px;box-shadow:0 7px 0 rgba(0,0,0,.08);animation:floatBob 3.2s ease-in-out infinite;position:relative;}
  .world-btn.locked{border-color:#D9D3E8;filter:grayscale(1);opacity:.55;animation:none;}
  .world-btn.locked::after{content:"🔒";position:absolute;bottom:-5px;right:-5px;background:var(--cover);color:#fff;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;}
  .world-shadow{width:52px;height:12px;background:rgba(20,15,50,.16);border-radius:50%;filter:blur(2px);margin-top:4px;animation:shadowPulse 3.2s ease-in-out infinite;}
  .world-name{font-family:'Baloo 2',sans-serif;font-weight:700;color:var(--ink);margin-top:8px;font-size:13.5px;text-align:center;}
  .world-count{font-size:12px;color:var(--gold);font-weight:700;margin-top:2px;}
  .avatar-badge{width:38px;height:38px;border-radius:50%;background:#fff;border:2px solid var(--sky);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;}
  .avatar-badge svg{width:100%;height:100%;}

  /* ============= AVATAR SCREEN ============= */
  #avatarScreen{background:var(--page);}
  .avatar-stage{background:var(--sky-soft);padding:26px 0 16px;display:flex;flex-direction:column;align-items:center;}
  .avatar-stage svg{width:120px;height:120px;transition:transform .2s;}
  .color-swatches{display:flex;gap:10px;margin-top:14px;}
  .swatch{width:28px;height:28px;border-radius:50%;border:3px solid transparent;}
  .swatch.active{border-color:var(--ink);}
  .item-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px;overflow-y:auto;flex:1;}
  .item-card{background:#fff;border:1px solid var(--page-line);border-radius:14px;padding:14px;text-align:center;}
  .item-card.locked{opacity:.45;}
  .item-card .ic{font-size:30px;margin-bottom:6px;}
  .item-card .nm{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:13px;}
  .item-card .req{font-size:12px;color:var(--ink-soft);margin-top:3px;}
  .item-card button{margin-top:8px;font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--sky);color:#fff;}
  .item-card button.equipped{background:var(--green);}

  /* ============= MODE TOGGLE + SELF-PLAY ============= */
  .mode-toggle{display:flex;gap:8px;margin-bottom:16px;}
  .mode-btn{flex:1;padding:12px 8px;border-radius:12px;background:#fff;border:1.5px solid var(--page-line);font-weight:700;font-size:13px;color:var(--ink-soft);}
  .mode-btn.sel{border-color:var(--gold);background:#FBF0D9;color:var(--ink);}
  .mini-avatar-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px;}
  .mini-avatar{width:56px;height:56px;transition:transform .2s;}
  .streak-badge{font-size:13px;font-weight:800;color:var(--gold);display:flex;align-items:center;gap:4px;}
  .sp-options{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:16px;}
  .sp-chip{min-width:88px;padding:14px 16px;border-radius:14px;background:#fff;border:2px solid var(--page-line);font-family:'Baloo 2',sans-serif;font-weight:700;font-size:16px;text-align:center;}
  .sp-chip.correct{border-color:var(--green);background:var(--green-soft);}
  .sp-chip.wrong{border-color:var(--red-seal);background:var(--red-seal-soft);animation:shake .3s;}
  @keyframes shake{0%,100%{transform:translateX(0);}25%{transform:translateX(-6px);}75%{transform:translateX(6px);}}
  .confetti-piece{position:fixed;top:-10px;width:8px;height:13px;border-radius:2px;z-index:80;pointer-events:none;}
  .unlock-toast{background:var(--gold);color:#fff;border-radius:14px;padding:12px 16px;margin-top:14px;font-weight:700;font-size:13.5px;display:flex;align-items:center;gap:10px;}
  #listScreen{background:var(--page);}
  .list-scroll{flex:1;overflow-y:auto;padding:6px 16px 26px;}
  .stamp-summary{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--page-line);border-radius:14px;padding:14px 16px;margin:12px 0 16px;}
  .stamp-summary .num{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:22px;color:var(--gold);}
  .stamp-summary .lbl{font-size:12px;color:var(--ink-soft);font-weight:700;}
  .page-row{display:flex;align-items:center;gap:13px;background:#fff;border:1px solid var(--page-line);border-radius:14px;padding:12px 14px;margin-bottom:9px;position:relative;}
  .page-row.next-up{border-color:var(--gold);box-shadow:0 0 0 3px rgba(224,148,15,.14);}
  .page-row.locked{opacity:.5;}
  .page-num{width:40px;height:40px;border-radius:10px;background:var(--page);border:1px solid var(--page-line);display:flex;align-items:center;justify-content:center;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:14px;color:var(--ink-soft);flex-shrink:0;}
  .page-row.done .page-num{background:var(--green-soft);color:var(--green);border-color:transparent;}
  .page-row.next-up .page-num{background:var(--gold);color:#fff;border-color:transparent;}
  .page-info{flex:1;min-width:0;}
  .page-title{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:14.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .page-sub{font-size:12px;color:var(--ink-soft);font-weight:600;}
  .page-stamp{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;}
  .page-emoji{font-size:26px;flex-shrink:0;}

  /* ============= LESSON FLOW (teacher + student) ============= */
  #lessonScreen{background:var(--page);}
  .lp-progress{height:4px;background:var(--page-line);flex-shrink:0;}
  .lp-progress-fill{height:100%;background:var(--gold);transition:width .3s;}
  .stage{flex:1;overflow-y:auto;padding:22px 20px 30px;}
  .step-title{font-size:20px;margin-bottom:4px;}
  .step-sub{font-size:13px;color:var(--ink-soft);font-weight:600;margin-bottom:18px;}
  .card{background:#fff;border:1px solid var(--page-line);border-radius:16px;padding:18px;margin-bottom:14px;}

  .flashcard{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:2px dashed var(--gold);border-radius:16px;padding:26px 20px;position:relative;}
  .fc-letter{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:52px;color:var(--ink);line-height:1;}
  .fc-image{font-size:60px;text-align:right;flex:1;}
  .fc-keyword{margin-top:14px;font-size:13.5px;color:var(--ink-soft);font-weight:700;text-align:center;}
  .action-cue{background:var(--sky-soft);border-radius:12px;padding:13px 15px;font-size:13.5px;line-height:1.5;color:var(--ink);margin-top:12px;}
  .action-cue strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--sky);margin-bottom:4px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;}
  .lsw-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin:14px 0;}
  .lsw-item{border-radius:12px;padding:10px 6px;text-align:center;}
  .lsw-item.lsw-letter{background:#EDE9FE;}
  .lsw-item.lsw-sound{background:var(--sky-soft);}
  .lsw-item.lsw-word{background:var(--green-soft);}
  .lsw-tag{display:block;font-size:12px;font-weight:800;letter-spacing:.4px;color:var(--ink-soft);margin-bottom:4px;}
  .lsw-val{display:block;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:16px;color:var(--ink);}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Baloo 2',sans-serif;font-weight:700;font-size:15px;padding:13px 26px;border-radius:12px;}
  .btn-gold{background:linear-gradient(#2FBE6C,#0DA641);color:#fff;box-shadow:0 5px 0 #0A7C33;}
  .btn-gold:active{transform:translateY(3px);box-shadow:0 2px 0 #0A7C33;}
  .btn-gold:disabled{opacity:.55;box-shadow:0 5px 0 #7a8390;background:linear-gradient(#A7B0BC,#8B95A2);}
  .btn-outline{background:#fff;color:var(--ink);border:1.5px solid var(--page-line);}
  .btn-block{width:100%;}

  .word-list{display:flex;flex-wrap:wrap;gap:8px;}
  .word-chip{display:flex;align-items:center;gap:8px;background:var(--page);border:1px solid var(--page-line);border-radius:12px;padding:9px 8px 9px 13px;}
  .word-chip .wt{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:14.5px;}
  .word-chip.ok{background:var(--green-soft);}
  .word-chip.no{background:var(--red-seal-soft);}
  .wj{width:26px;height:26px;border-radius:8px;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;}
  .wj-yes{background:#fff;color:var(--green);}
  .wj-no{background:#fff;color:var(--red-seal);}
  .wj.chosen-yes{background:var(--green);color:#fff;}
  .wj.chosen-no{background:var(--red-seal);color:#fff;}
  .hear-solo{width:26px;height:26px;border-radius:8px;background:#fff;border:1px solid var(--page-line);font-size:12px;display:flex;align-items:center;justify-content:center;}
  .pool-note{font-size:12px;color:var(--gold);background:#FBF0D9;padding:9px 13px;border-radius:10px;margin-bottom:14px;font-weight:600;}

  .chip-simple{padding:8px 14px;border-radius:999px;background:var(--red-seal-soft);color:var(--red-seal);font-weight:700;font-size:13px;display:inline-block;margin:0 6px 6px 0;}
  .empty-note{font-size:13px;color:var(--ink-soft);font-style:italic;}

  .paragraph-box{background:var(--page);border:1px solid var(--page-line);border-radius:14px;padding:18px;font-size:16px;line-height:1.75;}
  .paragraph-box .w{cursor:pointer;padding:0 2px;border-radius:4px;}
  .paragraph-box .w.flag{background:var(--red-seal-soft);color:var(--red-seal);font-weight:700;}

  textarea,input.field-input{width:100%;font-size:14.5px;padding:12px 14px;border-radius:12px;border:1.5px solid var(--page-line);background:#fff;font-family:inherit;color:var(--ink);}
  textarea{min-height:80px;resize:vertical;}

  .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
  .stat-box{background:var(--page);border-radius:12px;padding:12px 14px;}
  .stat-num{font-family:'Baloo 2',sans-serif;font-size:20px;font-weight:800;color:var(--ink);}
  .stat-lbl{font-size:12px;color:var(--ink-soft);font-weight:700;text-transform:uppercase;}

  /* ============= STAMP REVEAL ============= */
  #stampScreen{align-items:center;justify-content:center;text-align:center;padding:30px;background:var(--page);}
  .seal{width:130px;height:130px;border-radius:50%;border:6px solid var(--red-seal);color:var(--red-seal);display:flex;align-items:center;justify-content:center;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:15px;margin:0 auto 22px;transform:rotate(-8deg);animation:sealPop .5s cubic-bezier(.4,1.6,.6,1);}
  @keyframes sealPop{0%{transform:scale(0) rotate(-8deg);opacity:0;}70%{transform:scale(1.15) rotate(-8deg);}100%{transform:scale(1) rotate(-8deg);opacity:1;}}

  /* ============= STUDENT LOCKED VIEW ============= */
  .locked-box{text-align:center;padding:50px 24px;}
  .locked-box .ic{font-size:44px;margin-bottom:12px;}

  /* ============= MODAL ============= */
  .modal-backdrop{position:fixed;inset:0;background:rgba(20,15,50,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
  .modal-backdrop.on{display:flex;}
  .modal-box{background:#fff;border-radius:18px;padding:26px 22px;max-width:340px;width:100%;text-align:center;}
  .star-row{display:flex;justify-content:center;gap:6px;margin:14px 0;}
  .star-row button{font-size:28px;background:none;filter:grayscale(1);opacity:.35;}
  .star-row button.lit{filter:none;opacity:1;}

  @media (max-width:400px){
    .fc-letter{font-size:42px;} .fc-image{font-size:48px;}
  }

/* ============================================================
   SOUND SPRITES — PREMIUM LANDING + WORLD MAP UI
   Pure HTML/CSS/SVG: no external image dependency.
   ============================================================ */
#coverScreen{padding:0!important;display:none;overflow:hidden!important;background:linear-gradient(180deg,#77D4F6 0%,#BDEFFF 48%,#F7F3E6 100%)!important;}
#coverScreen.active{display:flex;}
.cover-scene{position:absolute;inset:0;overflow:hidden;pointer-events:none;}
.cover-scene .moon{position:absolute;width:78px;height:78px;border-radius:50%;background:#FFF4B8;right:10%;top:8%;box-shadow:0 0 35px rgba(255,244,184,.75);}
.cover-scene .hill{position:absolute;bottom:-55px;border-radius:50% 50% 0 0;background:#7ACB8B;filter:saturate(.9);}
.cover-scene .hill.h1{width:145%;height:190px;left:-25%;background:#78C98A;}
.cover-scene .hill.h2{width:120%;height:130px;right:-30%;bottom:-30px;background:#54B77B;opacity:.8;}
.cover-scene .cloud{opacity:.78;transform:scale(1.2);}
.cover-spark{position:absolute;color:#fff;font-size:18px;animation:sparkFloat 3s ease-in-out infinite;}
.cover-spark.s1{left:12%;top:15%}.cover-spark.s2{right:22%;top:25%;animation-delay:.8s}.cover-spark.s3{left:26%;top:42%;animation-delay:1.4s}
@keyframes sparkFloat{0%,100%{transform:translateY(0) scale(1);opacity:.6}50%{transform:translateY(-8px) scale(1.15);opacity:1}}
.cover-content{position:relative;z-index:2;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:22px 22px 20px;overflow:auto;}
.cover-brand{align-self:stretch;display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;}
.cover-brandmark{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.9);padding:7px 12px 7px 8px;border-radius:18px;box-shadow:0 8px 20px rgba(28,65,100,.12);}
.cover-brandmark img{width:38px;height:38px;object-fit:contain}.cover-brandtext{font-weight:800;font-size:12px;line-height:1.1;color:#183B67}.cover-brandtext b{font-size:16px;color:#EF4D8A;display:block;font-family:'Baloo 2'}
.cover-role-pill{background:rgba(255,255,255,.88);padding:9px 12px;border-radius:999px;font-size:12px;font-weight:800;color:#214A77;box-shadow:0 8px 20px rgba(28,65,100,.1)}
.cover-hero-title{font-family:'Baloo 2';font-size:40px;line-height:.9;text-align:center;margin:12px 0 2px;color:#102E67;text-shadow:0 3px 0 rgba(255,255,255,.7);letter-spacing:-1px;}
.cover-hero-title span{display:block;color:#18A9DF;font-size:35px;}
.cover-tagline{font-size:12px;font-weight:800;color:#31577C;margin-bottom:4px;letter-spacing:.2px;}
.cover-sprite{width:170px;height:150px;margin:-2px auto 2px;position:relative;animation:spriteBob 3.2s ease-in-out infinite;}
@keyframes spriteBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.cover-sprite svg{width:100%;height:100%;filter:drop-shadow(0 12px 10px rgba(24,64,80,.2));}
.cover-speech{position:absolute;right:-38px;top:8px;background:#fff;border:2px solid #D8E7F0;border-radius:18px;padding:10px 12px;font-family:'Baloo 2';font-size:14px;font-weight:800;color:#183B67;box-shadow:0 9px 20px rgba(28,65,100,.13);width:132px;}
.cover-speech:after{content:"";position:absolute;left:16px;bottom:-10px;border-width:10px 10px 0 0;border-style:solid;border-color:#fff transparent transparent transparent;}
.cover-card{background:rgba(255,255,255,.96)!important;border:1px solid rgba(255,255,255,.95);border-radius:26px!important;padding:15px 16px!important;width:100%!important;max-width:360px!important;box-shadow:0 18px 45px rgba(32,77,105,.18)!important;}
.cover-greet-row{display:flex;align-items:center;gap:10px;text-align:left;margin-bottom:11px}.cover-greet-avatar{width:44px;height:44px;border-radius:50%;background:#E8F7FF;display:grid;place-items:center;font-size:25px}.cover-greet-name{font-size:17px!important}.cover-greet-role{margin:1px 0 0!important;font-size:12px!important}.cover-select{margin-bottom:9px!important;padding:12px 13px!important;border-radius:14px!important;background:#F7FBFE!important;}
.cover-open{background:linear-gradient(180deg,#19B86B,#0C9653)!important;box-shadow:0 6px 0 #087543!important;font-family:'Baloo 2'!important;font-size:17px!important;letter-spacing:.1px;}
.cover-footer-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:9px}.cover-mini-action{background:#F6F9FD;border:1px solid #E1EAF2;border-radius:14px;padding:8px 4px;text-align:center;font-size:12px;font-weight:800;color:#31577C}.cover-mini-action .ic{display:block;font-size:19px;margin-bottom:2px}.cover-motto{font-size:12px;font-weight:700;color:#6B7891;margin-top:8px;text-align:center;}

/* ============================================================
   WORLD MAP — "Explore the Worlds" screen, redesigned to match
   the reference mock: profile+stats topbar, a straight 2-column
   grid of illustrated islands (numbered, with rope bridges), and
   a persistent bottom tab bar (Worlds / Lessons / Stars / Badges
   / Me). Locking/unlock logic is unchanged — this is markup+CSS
   only, driven by the same WORLDS/worldStatus() as before.
   ============================================================ */
#worldScreen{background:linear-gradient(180deg,#3E9DF7 0%,#3FCBC0 45%,#DFF8FF 75%,#FFF3D6 100%)!important;position:relative;}
#worldScreen .topbar{position:relative;z-index:20;display:block;padding:10px 14px 10px;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.75);}
.wt-row1{display:flex;align-items:center;gap:8px;}
.wt-back{flex-shrink:0;width:26px;height:26px;border-radius:9px;background:#fff;border:1px solid rgba(20,60,90,.1);color:#5B3FD1;font-size:13px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(20,60,90,.08);}
.wt-avatar{flex-shrink:0;width:40px;height:40px;border-width:2px;border-color:#FFD34D;}
.wt-id{flex:1;min-width:0;text-align:left;}
.wt-name{font-family:'Baloo 2';font-size:14px;font-weight:800;color:#241F3D;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.wt-role{font-size:12px;font-weight:800;color:#7C6BA8;letter-spacing:.2px;}
.wt-passport{flex-shrink:0;display:flex;align-items:center;gap:5px;background:linear-gradient(#FF8A65,#F4511E);border:none;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900;color:#fff;box-shadow:0 4px 0 #C23A0C;}
.wt-stats{display:flex;gap:6px;margin-top:9px;}
.wt-chip{flex:1;border-radius:13px;padding:6px 4px 5px;text-align:center;border:1.5px solid transparent;}
.wt-chip.stars{background:#FFF6DA;border-color:#FCE49A;}
.wt-chip.badges{background:#F1EBFF;border-color:#D8C7FF;}
.wt-chip.streak{background:#FFEBE0;border-color:#FFC7AC;}
.wt-chip .ic{font-size:14px;display:block;}
.wt-chip .v{font-family:'Baloo 2';font-size:14px;font-weight:900;color:#241F3D;line-height:1.15;}
.wt-chip .l{font-size:7px;font-weight:900;color:#8A7C6B;text-transform:uppercase;letter-spacing:.4px;}
.sky-decor{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.cloud{position:absolute;background:rgba(255,255,255,.82);border-radius:40px;filter:blur(.2px)}
.cloud::before,.cloud::after{content:"";position:absolute;background:inherit;border-radius:50%}
.cloud.c1{width:72px;height:24px;top:7%;left:6%;animation:driftR 25s ease-in-out infinite}.cloud.c1::before{width:34px;height:34px;top:-16px;left:8px}.cloud.c1::after{width:25px;height:25px;top:-10px;left:39px}
.cloud.c2{width:60px;height:20px;top:20%;right:5%;animation:driftL 29s ease-in-out infinite}.cloud.c2::before{width:30px;height:30px;top:-14px;left:7px}.cloud.c2::after{width:21px;height:21px;top:-9px;left:35px}
@keyframes driftR{0%,100%{transform:translateX(0)}50%{transform:translateX(24px)}}@keyframes driftL{0%,100%{transform:translateX(0)}50%{transform:translateX(-22px)}}
@keyframes floatIsland{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes glowPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,205,55,0)}50%{box-shadow:0 0 0 10px rgba(255,205,55,.12)}}
@keyframes sparkle{0%,100%{opacity:.35;transform:scale(.8) rotate(0)}50%{opacity:1;transform:scale(1.15) rotate(15deg)}}
.world-scroll{flex:1;overflow-y:auto;position:relative;z-index:1;padding:0 0 10px!important;scroll-behavior:smooth}
.world-header{position:relative;z-index:5;text-align:center;padding:16px 16px 4px}
.world-kicker{font-size:12px;font-weight:900;letter-spacing:1.6px;color:#FFE657;text-transform:uppercase;text-shadow:0 2px 4px rgba(20,10,70,.25)}
.world-main-title{font-family:'Baloo 2';font-size:25px;line-height:1;color:#fff;margin-top:2px;text-shadow:0 3px 0 #2A6FC2,0 8px 16px rgba(10,30,70,.3)}
.world-main-sub{font-size:12px;color:#fff;opacity:.92;font-weight:700;margin-top:5px;text-shadow:0 2px 4px rgba(10,30,70,.25)}
.world-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:12px;row-gap:26px;position:relative;padding:16px 12px 8px;background:radial-gradient(circle at 50% 6%,rgba(255,255,255,.5),transparent 26%);}
.world-grid::before{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:3px;transform:translateX(-50%);background:repeating-linear-gradient(to bottom,#E7B93F 0 12px,transparent 12px 22px);opacity:.4;border-radius:99px;z-index:0;}
.world-cloud-art{position:absolute;z-index:0;opacity:.8;font-size:22px;pointer-events:none;animation:driftR 24s ease-in-out infinite}.world-cloud-art.cA{top:2%;left:2%}.world-cloud-art.cB{top:36%;right:1%;animation-name:driftL}
.world-node{position:relative;z-index:2;transition:filter .2s;}
.world-node:nth-child(odd)::before{content:"";position:absolute;top:62px;right:-13px;width:13px;height:4px;background:repeating-linear-gradient(90deg,#D6A84B 0 6px,transparent 6px 10px);opacity:.85;z-index:1;border-radius:2px;}
.world-island{position:relative;width:100%;padding:0;background:none;cursor:pointer;filter:drop-shadow(0 14px 10px rgba(28,82,108,.22));transition:transform .22s,filter .22s}.world-island:hover{transform:translateY(-5px) scale(1.018);filter:drop-shadow(0 18px 13px rgba(28,82,108,.28))}.world-island:active{transform:translateY(0) scale(.99)}
.island-art{position:relative;height:100px;overflow:hidden;border:0;background:transparent;box-shadow:none;border-radius:14px 14px 0 0}.island-art img.island-main{width:100%;height:100%;display:block;object-fit:cover;object-position:center 60%}
.island-label{position:relative;margin:-4px auto 0;width:96%;background:rgba(255,255,255,.95);border:1.5px solid rgba(255,255,255,.95);border-radius:16px;padding:8px 7px 9px;box-shadow:0 8px 18px rgba(36,76,100,.15);backdrop-filter:blur(5px)}
.island-label .name{font-family:'Baloo 2';font-size:12px;font-weight:900;color:#12366D;text-transform:uppercase;line-height:1.15}.island-label .count{font-size:8px;font-weight:800;color:#64778B;margin-top:3px}.island-label .action{display:inline-block;margin-top:6px;background:linear-gradient(#20BD70,#0C9855);color:#fff;padding:5px 11px;border-radius:999px;font-size:8.5px;font-weight:900;box-shadow:0 3px 0 #087645}.world-node.current .island-label{border:2px solid #F4C63D;box-shadow:0 0 0 5px rgba(255,208,65,.16),0 10px 25px rgba(36,76,100,.18);animation:glowPulse 2.8s ease-in-out infinite}.world-node.current .island-label::before{content:"YOU ARE HERE";position:absolute;left:50%;top:-16px;transform:translateX(-50%);background:#FFB51B;color:#fff;border-radius:999px;padding:3px 8px;font-size:6.5px;font-weight:900;white-space:nowrap;box-shadow:0 3px 7px rgba(130,84,0,.18)}
.world-node.done .island-label{border-color:#5DC98D}.world-node.done .island-label::after{content:"✓ DONE";position:absolute;right:7px;top:-10px;background:#0B7651;color:#fff;border-radius:999px;padding:2px 6px;font-size:6.5px;font-weight:900}.world-node.locked .island-art{filter:saturate(.28) brightness(.78)}.world-node.locked .island-label{background:rgba(241,245,248,.93);border-color:#D1DAE1}.world-node.locked .island-label .action{background:#778796;box-shadow:0 3px 0 #596773;padding:5px 8px;font-size:7.5px;line-height:1.3;white-space:normal}.island-lock{position:absolute;right:6px;top:8px;z-index:8;width:26px;height:26px;border-radius:50%;background:#17365B;color:#fff;display:grid;place-items:center;font-size:12px;border:2.5px solid #fff;box-shadow:0 5px 11px rgba(0,0,0,.24)}.island-crown{position:absolute;left:7px;top:6px;z-index:8;font-size:19px;animation:floatIsland 2s ease-in-out infinite}.world-complete-ribbon{position:absolute;top:8px;left:7px;background:#0B7651;color:#fff;padding:4px 7px;border-radius:999px;font-size:6.5px;font-weight:900;z-index:8}
.world-avatar-pin{position:absolute;right:6px;bottom:6px;left:auto;transform:none;z-index:9;width:28px;height:28px;border-radius:50%;background:#fff;border:2.5px solid #FFD34D;padding:1px;box-shadow:0 6px 10px rgba(30,60,80,.25);animation:floatIsland 2s ease-in-out infinite}.world-avatar-pin svg{width:100%;height:100%}
.world-map-footer{grid-column:1/-1;background:rgba(255,255,255,.9);border-radius:16px;padding:10px 12px;text-align:right;box-shadow:0 8px 20px rgba(30,75,100,.1);font-size:12px;color:#48647B;margin-top:2px;}.world-map-footer strong{display:block;font-family:'Baloo 2';font-size:12px;color:#15376D}.world-map-footer span{font-weight:700}
.bottom-nav{display:flex;justify-content:space-around;align-items:center;flex-shrink:0;padding:7px 4px calc(6px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);border-top:1px solid rgba(20,60,90,.08);box-shadow:0 -6px 16px rgba(20,60,90,.06);position:relative;z-index:15;}
.bn-tab{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:#8698AC;padding:4px 6px;border-radius:10px;}
.bn-tab .bn-ic{font-size:17px;line-height:1;}
.bn-tab .bn-lbl{font-size:8px;font-weight:800;}
.bn-tab.active{color:#7C3FE0;}
.bn-tab.active .bn-ic{filter:drop-shadow(0 2px 3px rgba(124,63,224,.35));}
/* ============================================================
   LANDING PAGE — real illustrated artwork (hero image) up top,
   dynamic "welcome back" card below it matching the artwork's
   card style (cream card, pale-gold stat chips, green CTA).
   ============================================================ */
#coverScreen{padding:0!important;display:none;overflow:hidden!important;background:#FFFCF3!important;position:relative}
#coverScreen.active{display:flex}
.cover-content{position:relative;z-index:2;width:100%;height:100%;display:flex;flex-direction:column;align-items:stretch;justify-content:safe center;padding:0!important;overflow-y:auto}
.cover-hero-img{width:100%;display:block;height:min(230px,30vh);object-fit:contain;object-position:center center;}
.cover-card{background:#FFFEFB!important;border:1px solid rgba(230,220,190,.6);border-radius:22px!important;padding:16px 16px 14px!important;width:calc(100% - 28px)!important;max-width:390px!important;margin:14px auto 0!important;box-shadow:0 14px 30px rgba(40,60,30,.16)!important;position:relative;overflow:hidden;}
.welcome-row{display:flex;align-items:center;gap:11px;text-align:left;}
.welcome-avatar,.welcome-avatar-circle{flex-shrink:0;width:52px;height:52px;border-radius:50%;background:#F0EBFF;border:3px solid #B9A4F0;display:flex;align-items:center;justify-content:center;font-size:24px;overflow:hidden;}
@keyframes avatarBreathe{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-2px) scale(1.015)}}
.welcome-avatar-circle svg,#avatarBig{animation:avatarBreathe 3.2s ease-in-out infinite;transform-origin:50% 100%;}
.welcome-text{flex:1;min-width:0;}
.welcome-title{font-family:'Baloo 2';font-weight:800;font-size:17px;color:#241F3D;line-height:1.15;}
.welcome-sub{font-size:12px;font-weight:700;color:#6C7488;margin-top:2px;}
.welcome-switch{background:none;border:none;padding:0;margin-top:3px;font-size:12px;font-weight:800;color:#7C5CFC;text-decoration:underline;cursor:pointer;}
.stat-chip-row{display:flex;gap:8px;margin:14px 0 2px;}
.stat-chip{flex:1;border-radius:14px;padding:9px 4px 8px;text-align:center;background:#FFF7DC;border:1.5px solid #F5E3A0;}
.stat-chip .ic{font-size:19px;display:block;}
.stat-chip .v{font-family:'Baloo 2';font-size:16px;font-weight:900;color:#241F3D;line-height:1.25;margin-top:1px;}
.stat-chip .l{font-size:8px;font-weight:900;color:#8A7C6B;text-transform:uppercase;letter-spacing:.3px;}
.mission-box{display:flex;align-items:center;gap:11px;background:#FFF8E0;border:1.5px solid #F0D783;border-radius:16px;padding:11px 12px;margin-top:14px;}
.mission-icon{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:#FFF7DC;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:inset 0 0 0 1px #F0D783;}
.mission-text{flex:1;min-width:0;}
.mission-kicker{font-size:8.5px;font-weight:900;letter-spacing:.6px;color:#2C86D6;}
.mission-title{font-family:'Baloo 2';font-weight:800;font-size:14px;color:#241F3D;line-height:1.2;margin-top:1px;}
.mission-sub{font-size:12px;font-weight:700;color:#7A5C1E;margin-top:1px;}
.mission-arrow{flex-shrink:0;width:34px;height:34px;border-radius:50%;background:linear-gradient(#2FBE6C,#0DA641);color:#fff;font-size:15px;border:none;box-shadow:0 3px 0 #0A7C33;}
.cta-start{display:block;width:100%;margin-top:15px;background:linear-gradient(#2FBE6C,#0DA641);color:#fff;font-family:'Baloo 2';font-weight:800;font-size:16px;letter-spacing:.2px;padding:14px;border:none;border-radius:999px;box-shadow:0 5px 0 #0A7C33;}
.cta-start:disabled{opacity:.55;box-shadow:0 5px 0 #7a8390;background:linear-gradient(#A7B0BC,#8B95A2);}
.cover-select{width:100%;box-sizing:border-box;padding:12px 14px;border-radius:14px;border:1.5px solid #E4DCFA;background:#FAF8FF;font-size:14px;font-family:inherit;font-weight:700;color:#241F3D;margin-top:12px;}
.cover-quick-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:calc(100% - 28px);max-width:390px;margin:11px auto 14px;}
.cover-quick-nav.disabled{opacity:.5;pointer-events:none;}
.qn-item{background:#FFFEFB;border:1px solid rgba(230,220,190,.6);border-radius:15px;padding:10px 4px 9px;text-align:center;font-size:12px;font-weight:900;color:#241F3D;box-shadow:0 6px 14px rgba(40,60,30,.1);}
.qn-item .qn-ic{display:block;font-size:18px;margin-bottom:3px;}
@media(min-width:900px){.book{max-width:min(960px,100%);height:calc(100dvh - 36px)}.world-grid{column-gap:20px;row-gap:34px;padding:18px 20px 10px}.island-art{height:150px}.cover-card{max-width:420px!important}.cover-quick-nav{max-width:420px}}
@media(max-width:430px){.world-header{padding-top:12px}.world-main-title{font-size:22px}.world-main-sub{font-size:12px}.world-grid{column-gap:9px;row-gap:20px;padding:12px 9px 6px}.island-art{height:98px}.island-label{padding:7px 6px 8px}.island-label .name{font-size:12px}.island-label .count{font-size:7.5px}.island-label .action{font-size:8px;padding:4px 9px}.wt-name{font-size:12.5px}.wt-passport span{display:none}}


/* FINAL ACCESSIBILITY / MOBILE QA PASS */
button, input, textarea, select { font: inherit; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible,
[role=button]:focus-visible, .w:focus-visible { outline:3px solid #2DAEE0; outline-offset:3px; }
button, .s-choice, .mode-btn, .bn-tab, .world-island, .page-row, .word-chip { touch-action:manipulation; }
.s-choice, .mode-btn, .bn-tab, .world-island, .page-row { min-height:44px; }
.w { cursor:pointer; }
@media (max-width:520px){
  .word-chip { min-height:52px; }
  .hear-solo, .wj { min-width:44px; min-height:44px; }
  .btn { min-height:48px; }
}

/* S lesson professional presentation polish */
.s-lesson-hero{max-width:620px;margin:10px auto 16px;padding:12px 12px 18px;border:1px solid rgba(45,174,224,.18);border-radius:24px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);box-shadow:0 12px 30px rgba(36,31,61,.08)}
.s-lesson-label{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 8px;padding:6px 13px;border-radius:999px;background:#F3E8FF;color:#6A35C7;font-size:12px;font-weight:900;letter-spacing:.08em}
.s-lesson-hero .s-hero{box-shadow:none;background:transparent;margin:0;padding:4px 8px 10px}
.s-primary-audio{min-height:52px;padding:12px 22px;font-size:16px}
@media (max-width:520px){.s-lesson-hero{border-radius:18px;padding:10px 8px 14px}.s-lesson-hero .s-big-sound{font-size:clamp(30px,9vw,44px)}.s-primary-audio{width:100%}}
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; scroll-behavior:auto !important; transition-duration:.001ms !important; }
}

.certificate{background:linear-gradient(135deg,#fffaf0,#fff,#f2fbff);border:4px double #E0940F;border-radius:24px;padding:28px 18px;text-align:center;box-shadow:0 12px 30px rgba(30,27,75,.1);margin:8px 0 16px}.certificate-seal{font-size:58px}.certificate-kicker{font-size:12px;font-weight:900;letter-spacing:2px;color:#6B6588}.certificate h2{font-family:'Baloo 2';font-size:27px;color:#241F3D;margin:8px 0}.certificate p{font-size:13px;line-height:1.6;font-weight:600;color:#4d5870}.certificate-name{font-family:'Baloo 2';font-size:30px;font-weight:900;color:#0DA641;border-bottom:2px solid #E0940F;display:inline-block;padding:2px 14px;margin:5px 0 10px}.certificate-date{font-size:12px;font-weight:800;color:#6B6588;margin-top:14px}.certificate-actions{margin-bottom:20px}
@media print{body{background:#fff!important}.book{max-width:none!important;height:auto!important;box-shadow:none!important;border:0!important}.screen{display:none!important}.screen#lessonScreen{display:flex!important;position:static!important}.screen#lessonScreen > *:not(.topbar):not(.stage){display:none!important}.topbar{display:none!important}.stage{overflow:visible!important;padding:20mm!important}.certificate{box-shadow:none!important;min-height:180mm;display:flex;flex-direction:column;justify-content:center}.certificate-actions{display:none!important}}

/* ===== S SOUND — FINAL PROFESSIONAL UI POLISH ===== */
.s-step-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 auto 8px;max-width:620px;padding:0 2px;color:#6B6588;font-size:12px;font-weight:800;letter-spacing:.02em}
.s-step-meta span{color:#6A35C7;text-transform:uppercase;letter-spacing:.08em}
.s-step-meta strong{background:#F4F1FB;border:1px solid #E4DCFA;border-radius:999px;padding:5px 9px;color:#51496A}
.s-progress-dots{display:flex;justify-content:center;align-items:center;gap:6px;margin:4px auto 12px;max-width:620px;min-height:10px}
.s-dot{width:7px;height:7px;border-radius:50%;background:#DED8EC;transition:transform .18s ease,background .18s ease}
.s-dot.done{background:#0DA641}
.s-dot.on{background:#E0940F;transform:scale(1.45)}
.step-title{max-width:620px;margin-left:auto;margin-right:auto;font-size:clamp(24px,5vw,30px);line-height:1.12;letter-spacing:-.015em}
.step-sub{max-width:590px;margin:5px auto 0;font-size:clamp(13px,2.6vw,15px);line-height:1.4}
.s-lesson-hero,.s-mouth-card,.s-keyword-card,.s-detective-card,.s-trace-wrap,.s-read-book,.s-mission,.s-badge{max-width:620px;margin-left:auto;margin-right:auto}
.s-choice-grid,.s-word-grid{max-width:620px;margin-left:auto;margin-right:auto}
.stage>.btn-block{display:flex;max-width:620px;margin-left:auto;margin-right:auto}
.s-choice{min-height:clamp(58px,10vh,88px);font-size:clamp(21px,4.8vw,25px);border-radius:20px}
.s-choice:focus-visible,.s-sort-btn:focus-visible,.s-audio-pill:focus-visible,.s-audio-small:focus-visible,.s-word-card button:focus-visible,#sNext:focus-visible{outline:4px solid rgba(45,174,224,.38);outline-offset:3px}
.s-audio-pill{min-height:52px;min-width:170px}
.s-mouth-duo{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:center;margin:2px auto 6px}
.s-mouth-fig{margin:0;text-align:center}
.s-mouth-fig.side{flex:1.6 1 250px;max-width:400px}
.s-mouth-fig.front{flex:1 1 170px;max-width:240px}
.s-mouth-fig figcaption{font-size:12px;font-weight:800;color:#8A6A5A;margin-top:2px}
.s-mouth-glide{flex-wrap:nowrap}.s-mouth-fig.side.glide{flex:1 1 0;max-width:230px;min-width:0}.s-glide-arrow{font-size:26px;font-weight:800;color:#E0940F;flex:0 0 auto}
@media(max-width:520px){.s-mouth-glide{flex-wrap:wrap}.s-glide-arrow{transform:rotate(90deg)}}
.mp-svg{width:100%;height:auto;display:block}
.s-mouth-fig.front .s-mouth-svg,.s-mouth-fig.front img{width:100%;height:auto;max-height:150px}
@media(min-width:1500px){.book{max-width:min(1100px,100%)}}
/* main action stays visible while a long step scrolls; halo hides what scrolls under it */
.stage>#sNext,.stage>.btn-block{position:sticky;bottom:8px;z-index:6;box-shadow:0 5px 0 #0A7C33,0 0 0 10px var(--page),-500px 0 0 10px var(--page),500px 0 0 10px var(--page)}
.stage>#sNext:active,.stage>.btn-block.btn-gold:active{box-shadow:0 2px 0 #0A7C33,0 0 0 10px var(--page),-500px 0 0 10px var(--page),500px 0 0 10px var(--page)}
.stage>#sNext:disabled,.stage>.btn-block.btn-gold:disabled{box-shadow:0 5px 0 #7a8390,0 0 0 10px var(--page),-500px 0 0 10px var(--page),500px 0 0 10px var(--page)}
.stage>.s-audio-pill,.stage>.s-audio-small{display:flex;margin-left:auto;margin-right:auto}
/* lowercase letters sit between the middle and bottom writing lines (lines at 36/73/110px) */
.s-lines{position:relative}
.s-lines .trace-s{position:absolute;left:50%;top:70px;transform:translateX(-50%);height:36px;line-height:36px;font-size:72px;display:flex;align-items:flex-end}
.s-word-card{min-height:148px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.s-word-card .pic{font-size:46px}
.s-word-card .word{font-size:clamp(21px,4.5vw,24px)}
.s-word-card button{min-height:44px;min-width:110px}
.s-detective-card{padding:20px 16px}
.s-detective-pic{font-size:clamp(68px,18vw,88px);line-height:1.05}
.s-detective-word{font-size:clamp(28px,7vw,34px);margin-top:5px}
.s-sort-btn{min-height:78px;font-size:clamp(16px,4vw,19px)}
.s-trace-board{height:min(280px,45vh)}
#sNext,#sWordNext{max-width:620px;margin-left:auto;margin-right:auto;border-radius:16px;box-shadow:0 10px 24px rgba(36,31,61,.16)}
@media(max-width:520px){
  .stage{padding:14px 12px 30px}
  .s-step-meta{font-size:12px}
  .s-progress-dots{gap:4px;margin-bottom:10px}
  .s-dot{width:6px;height:6px}
  .s-letter-stage{grid-template-columns:1fr 1fr;gap:8px}
  .s-letter-card{min-height:205px;padding:10px 8px;border-radius:20px}
  .s-letter-card.cap .letter{font-size:82px}.s-letter-card.low .letter{font-size:70px}
  .s-letter-use{font-size:12px}
  .s-mouth-points{gap:6px}.s-mouth-point{font-size:12px;padding:9px 4px}
  .s-word-grid{gap:8px}.s-word-card{min-height:142px;padding:9px;border-radius:17px}
  .s-choice-grid{gap:9px}.s-choice{min-height:76px}
  .s-sort-buttons{gap:8px}.s-sort-btn{min-height:70px}
  .s-read-line{font-size:21px}
}
@media(min-width:521px){#sNext,#sWordNext{width:100%}}

/* =====================================================================
   CONSOLIDATED APP SHELL — home trail, tabs, word cards, practice,
   tests, report card, bottom sheet. All new classes are prefixed ss-
   so they never collide with the lesson engine's own styles.
   ===================================================================== */
:root{--ss-pink:#E23E86;--ss-navy:#1E1B4B;--ss-sand:#EADBB4;--ss-sand-d:#C9B27A;--ss-line:#E9E1F7;--ss-muted:#6B6588;}

/* ---------- native-app frame ---------- */
@media (max-width:600px){
  html,body{background:var(--page);}
  body{padding:0;align-items:stretch;}
  .book{max-width:none;height:100vh;height:100dvh;border-radius:0;border:0;box-shadow:none;}
  .topbar{padding-top:calc(14px + env(safe-area-inset-top,0px));}
}
@media (min-width:900px){ .book:has(#worldScreen.active){max-width:1120px;} }
/* Phones/tablets whose browser reports a desktop-wide viewport (Chrome "Desktop site", Custom Tab fallback):
   fill the screen instead of drawing a fixed-size framed box. */
@media (hover:none) and (pointer:coarse){
  html,body{background:var(--page);}
  body{padding:0;align-items:stretch;}
  .book,.book:has(#worldScreen.active){max-width:none;height:100vh;height:100dvh;border-radius:0;border:0;box-shadow:none;}
}
.screen.active{animation:ssIn .22s ease both;}
@keyframes ssIn{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px;}

/* ---------- app layout inside #worldScreen ---------- */
#worldScreen{background:var(--page);}
.ss-app{background:var(--page);flex:1;display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:1fr;min-height:0;height:100%;}
.ss-side{display:none;}
.ss-main{display:flex;flex-direction:column;min-height:0;grid-row:1 / 3;}
.ss-top{display:flex;align-items:center;gap:10px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top,0px));background:#fff;border-bottom:1px solid var(--ss-line);flex-shrink:0;}
.ss-top-av{width:42px;height:42px;border-radius:50%;background:var(--sky-soft);border:2px solid var(--sky);overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:0;}
.ss-top-av svg{width:100%;height:100%;}
.ss-top-id{flex:1;min-width:0;}
.ss-top-name{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:17px;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ss-top-rank{font-size:12px;font-weight:700;color:var(--ss-muted);}
.ss-pill{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;border-radius:999px;font-weight:800;font-size:13px;background:#FFF4E0;color:#9A5B00;border:1px solid #F3DDB0;white-space:nowrap;}
.ss-pill.xp{background:#EEF7FF;color:#135C80;border-color:#CFE8F7;}
.ss-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:16px 16px 28px;}
.ss-tabs{grid-row:3;display:flex;justify-content:space-around;background:#fff;border-top:1px solid var(--ss-line);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));box-shadow:0 -6px 18px rgba(27,20,64,.06);}
.ss-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;background:none;color:#8A86A3;padding:6px 2px;border-radius:12px;min-height:52px;font-size:12px;font-weight:800;}
.ss-tab .ic{font-size:21px;line-height:1;filter:grayscale(.6);opacity:.8;transition:transform .15s;}
.ss-tab.on{color:var(--ss-navy);}
.ss-tab.on .ic{filter:none;opacity:1;transform:translateY(-2px) scale(1.08);}
@media (min-width:900px){
  .ss-app{grid-template-columns:230px 1fr;grid-template-rows:1fr;}
  .ss-side{display:flex;flex-direction:column;gap:4px;padding:18px 12px;background:var(--ss-navy);color:#fff;grid-row:1;grid-column:1;}
  .ss-main{grid-column:2;grid-row:1;}
  .ss-tabs{display:none;}
  .ss-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;}
  .ss-brand img{width:52px;height:30px;object-fit:contain;background:#fff;border-radius:8px;padding:3px;}
  .ss-brand b{font-family:'Baloo 2',sans-serif;font-size:19px;line-height:1;}
  .ss-brand small{display:block;font-size:12px;opacity:.7;font-weight:600;}
  .ss-side .ss-tab{flex:0 0 auto;flex-direction:row;justify-content:flex-start;gap:12px;padding:11px 14px;font-size:14.5px;color:rgba(255,255,255,.72);min-height:0;}
  .ss-side .ss-tab.on{background:rgba(255,255,255,.12);color:#fff;}
  .ss-side .ss-tab .ic{font-size:19px;}
  .ss-side-foot{margin-top:auto;font-size:12px;opacity:.55;padding:8px;line-height:1.5;}
  .ss-body{padding:22px 28px 40px;}
  .ss-body.is-home{padding:0;}
}

/* ---------- shared bits ---------- */
.ss-h2{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:20px;margin:0 0 4px;}
.ss-lead{font-size:13.5px;color:var(--ss-muted);margin:0 0 14px;line-height:1.5;}
.ss-group{margin:20px 0 10px;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:16px;display:flex;align-items:center;gap:8px;}
.ss-group .dot{width:10px;height:10px;border-radius:50%;}
.ss-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;font-weight:800;font-size:15px;background:#fff;color:var(--ink);border:1.5px solid var(--ss-line);min-height:48px;}
.ss-btn.primary{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 4px 0 #AC6B0A;}
.ss-btn.primary:active{transform:translateY(3px);box-shadow:0 1px 0 #AC6B0A;}
.ss-btn.navy{background:var(--ss-navy);border-color:var(--ss-navy);color:#fff;}
.ss-btn.green{background:var(--green);border-color:var(--green);color:#fff;}
.ss-btn.block{display:flex;width:100%;}
.ss-btn:disabled{opacity:.4;pointer-events:none;}
.ss-seg{display:flex;background:#F1ECFB;border-radius:14px;padding:4px;gap:4px;}
.ss-seg button{flex:1;padding:10px 6px;border-radius:11px;background:none;font-weight:800;font-size:13px;color:var(--ss-muted);min-height:42px;}
.ss-seg button.on{background:#fff;color:var(--ss-navy);box-shadow:0 2px 6px rgba(27,20,64,.1);}
.ss-empty{text-align:center;padding:30px 16px;color:var(--ss-muted);font-weight:600;font-size:14px;line-height:1.5;}
.ss-empty .big{font-size:40px;display:block;margin-bottom:8px;}
.ss-toast{position:absolute;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);background:var(--ss-navy);color:#fff;padding:11px 18px;border-radius:999px;font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:60;white-space:nowrap;}
.ss-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ---------- home: sky world with floating islands ---------- */
.ss-body.is-home{position:relative;padding:0;scroll-snap-type:y proximity;
  background:
    radial-gradient(ellipse 160% 22% at 50% 104%,#3E9B2F 0%,#58B13F 45%,transparent 70%),
    linear-gradient(180deg,#1B1440 0%,#2A2F8F 22%,#2667C9 48%,#3FA3E8 74%,#9ADCFA 100%);
  background-attachment:local;}
.ss-sky{position:sticky;top:0;height:0;z-index:0;pointer-events:none;}
.ss-sky i{position:absolute;display:block;border-radius:50%;background:rgba(255,255,255,.16);filter:blur(1px);animation:ssDrift 24s ease-in-out infinite alternate;}
.ss-sky i::before,.ss-sky i::after{content:"";position:absolute;background:inherit;border-radius:50%;}
.ss-sky .c1{width:120px;height:34px;top:90px;left:6%;}
.ss-sky .c1::before{width:56px;height:46px;left:18px;top:-22px;}
.ss-sky .c2{width:90px;height:26px;top:260px;right:8%;animation-duration:30s;animation-direction:alternate-reverse;}
.ss-sky .c2::before{width:42px;height:34px;left:16px;top:-16px;}
.ss-sky .c3{width:70px;height:20px;top:470px;left:30%;animation-duration:20s;opacity:.7;}
.ss-sky .c3::before{width:32px;height:28px;left:12px;top:-14px;}
@keyframes ssDrift{from{transform:translateX(0)}to{transform:translateX(40px)}}

.ss-sec{position:relative;z-index:1;min-height:var(--vh,100%);scroll-snap-align:start;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:22px 14px 26px;transition:opacity .45s ease,transform .45s ease;}
.ss-sec > *{width:100%;max-width:560px;}
.ss-sec.near{opacity:.55;transform:scale(.96);}
.ss-sec.far{opacity:.28;transform:scale(.92);}
.ss-hero-sec{gap:12px;}

.ss-hero{background:#fff;border-radius:28px;padding:18px 18px 16px;position:relative;overflow:hidden;box-shadow:0 18px 50px rgba(10,8,40,.35);}
.ss-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,#E0940F,#E2558C,#9B5DE5,#2DAEE0,#0DA641);}
.ss-hero-row{display:flex;align-items:center;gap:14px;}
.ss-hero-av{width:66px;height:66px;border-radius:50%;background:var(--sky-soft);overflow:hidden;flex-shrink:0;border:3px solid #fff;box-shadow:0 0 0 3px var(--gold-light),0 6px 16px rgba(27,20,64,.18);}
.ss-hero-av svg{width:100%;height:100%;}
.ss-hero-k{font-size:12.5px;font-weight:700;color:var(--ss-muted);}
.ss-hero-hi{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:25px;line-height:1.05;color:var(--ss-navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ss-rank{display:inline-block;margin-top:5px;background:#FFF4E0;border:1.5px solid #F3D18B;color:#8A5200;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:800;}
.ss-xp{margin-top:16px;}
.ss-xp-row{display:flex;justify-content:space-between;font-size:12.5px;font-weight:700;color:var(--ss-muted);margin-bottom:6px;}
.ss-xp-row span:first-child{color:var(--ss-navy);font-weight:800;}
.ss-xp-track{height:12px;border-radius:99px;background:#EFEAF8;overflow:hidden;box-shadow:inset 0 2px 3px rgba(27,20,64,.08);}
.ss-xp-track i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold-light));transition:width 1.2s cubic-bezier(.2,.8,.2,1);}
.ss-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px;}
.ss-stat{background:#F7F4FD;border:1.5px solid #ECE6F8;border-radius:16px;padding:10px 6px;text-align:center;}
.ss-stat b{display:block;font-family:'Baloo 2',sans-serif;font-size:22px;line-height:1.1;color:var(--ss-navy);}
.ss-stat b small{font-size:13px;color:var(--ss-muted);}
.ss-stat span{font-size:12px;font-weight:700;color:var(--ss-muted);}

.ss-next{display:flex;align-items:center;gap:12px;text-align:left;background:linear-gradient(135deg,#FFFBEF,#FFF1CF);border:2.5px solid var(--gold);border-radius:24px;padding:14px 16px;box-shadow:0 12px 30px rgba(224,148,15,.35);}
.ss-next:active{transform:scale(.98);}
.ss-next-ic{width:54px;height:54px;border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0;box-shadow:0 3px 8px rgba(224,148,15,.25);}
.ss-next-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.ss-next-k{font-size:12px;font-weight:800;color:#9A5B00;}
.ss-next-t{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:18px;line-height:1.15;color:var(--ss-navy);}
.ss-next-s{font-size:12.5px;color:var(--ss-muted);font-weight:600;margin-top:1px;}
.ss-next-go{width:50px;height:50px;border-radius:50%;background:var(--green);color:#fff;font-size:19px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 0 #087530;}
.ss-wobbly{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.95);border-radius:18px;padding:12px 16px;font-weight:800;font-size:14px;color:#8E2350;text-align:left;box-shadow:0 8px 20px rgba(10,8,40,.2);}
.ss-wobbly span{margin-left:auto;font-size:13px;}
.ss-scrollhint{background:none;color:rgba(255,255,255,.85);font-weight:800;font-size:14px;margin-top:4px;}
.ss-scrollhint span{display:inline-block;animation:ssBob2 1.3s ease-in-out infinite;}
@keyframes ssBob2{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

.ss-milestone{text-align:center;margin:0 0 14px;}
.ss-milestone span{display:inline-block;background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.28);color:#fff;padding:8px 18px;border-radius:999px;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:14px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);text-shadow:0 1px 3px rgba(0,0,0,.3);}
.ss-milestone.won span{background:rgba(255,215,120,.25);border-color:rgba(255,215,120,.6);}

.ss-isle{background:#fff;border-radius:32px;overflow:hidden;box-shadow:0 22px 60px rgba(10,8,40,.38),0 2px 0 rgba(255,255,255,.9) inset;border:3px solid rgba(255,255,255,.95);}
.ss-isle-head{display:flex;align-items:center;gap:12px;padding:16px 18px 10px;background:linear-gradient(180deg,color-mix(in srgb,var(--acc) 14%,#fff),#fff);}
.ss-isle-float{position:relative;width:104px;height:84px;flex-shrink:0;}
.ss-isle-img{width:100%;height:100%;object-fit:contain;position:relative;z-index:1;animation:ssFloat 4s ease-in-out infinite;filter:drop-shadow(0 8px 10px rgba(27,20,64,.18));}
.ss-isle-shadow{position:absolute;left:22%;right:22%;bottom:-4px;height:9px;border-radius:50%;background:rgba(27,20,64,.18);filter:blur(2px);animation:ssShadow 4s ease-in-out infinite;}
@keyframes ssFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes ssShadow{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(.8);opacity:.5}}
.ss-isle.locked .ss-isle-img{filter:grayscale(1) opacity(.55);animation:none;}
.ss-isle.locked .ss-isle-shadow{animation:none;}
.ss-isle-info{flex:1;min-width:0;}
.ss-isle-n{font-size:12px;font-weight:800;color:var(--ss-muted);}
.ss-isle-name{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:23px;line-height:1.1;color:var(--ss-navy);}
.ss-wchip{display:inline-block;margin-top:5px;font-size:12px;font-weight:800;padding:3px 10px;border-radius:99px;}
.ss-wchip.cur{background:color-mix(in srgb,var(--acc) 16%,#fff);color:color-mix(in srgb,var(--acc) 80%,#000);}
.ss-wchip.done{background:#D9F2E3;color:#07632A;}
.ss-wchip.lock{background:#EEEBF5;color:#7C7896;}
.ss-isle-prog{display:flex;align-items:center;gap:10px;padding:2px 20px 6px;}
.ss-isle-prog span{font-size:12.5px;font-weight:800;color:var(--ss-muted);}
.ss-isle-bar{flex:1;height:8px;border-radius:99px;background:#EFEAF8;overflow:hidden;}
.ss-isle-bar i{display:block;height:100%;background:var(--acc);border-radius:99px;}
.ss-isle-preview{padding:10px 20px 14px;}
.ss-isle-preview .ss-soundchips span{background:#F1EEF7;color:#8A86A3;font-size:13px;padding:4px 10px;}
.ss-trail{position:relative;margin:4px 8px 6px;}
.ss-trail svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;}
.ss-orb{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;background:none;padding:0;z-index:1;transition:transform .12s;}
.ss-orb:active{transform:translate(-50%,-50%) scale(.9);}
.ss-orb-ball{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:25px;position:relative;
  background:linear-gradient(160deg,#fff,#F2EEF9);border:3.5px solid #fff;box-shadow:0 0 0 2px #DCD5EA,0 5px 0 #CFC7E0,0 8px 14px rgba(27,20,64,.14);}
.ss-orb-l{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:26px;line-height:1;color:var(--ss-navy);}
.ss-orb.big .ss-orb-ball{width:62px;height:62px;font-size:28px;}
.ss-orb.done .ss-orb-ball{background:linear-gradient(160deg,#fff,color-mix(in srgb,var(--acc) 22%,#fff));box-shadow:0 0 0 3px var(--acc),0 5px 0 color-mix(in srgb,var(--acc) 70%,#000),0 8px 14px rgba(27,20,64,.16);}
.ss-orb.next .ss-orb-ball{width:62px;height:62px;background:linear-gradient(160deg,#FFFDF6,#FFE7A8);box-shadow:0 0 0 3px var(--gold),0 5px 0 #AC6B0A,0 0 0 10px rgba(224,148,15,.22);animation:ssGlow 1.8s ease-in-out infinite;}
.ss-orb.next .ss-orb-l{font-size:30px;}
.ss-orb.locked .ss-orb-ball{background:#F4F2F8;box-shadow:0 0 0 2px #E3DFEC,0 4px 0 #DAD5E4;}
.ss-orb.locked .ss-orb-l{color:#B3AEC6;}
.ss-orb.locked .ss-orb-ball{font-size:20px;}
.ss-orb.locked:not(.big) .ss-orb-ball > :not(.ss-orb-l){filter:grayscale(1);opacity:.45;}
@keyframes ssGlow{0%,100%{box-shadow:0 0 0 3px var(--gold),0 5px 0 #AC6B0A,0 0 0 9px rgba(224,148,15,.25)}50%{box-shadow:0 0 0 3px var(--gold),0 5px 0 #AC6B0A,0 0 0 15px rgba(224,148,15,.08)}}
.ss-orb-check{position:absolute;right:-7px;top:-5px;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;border:2px solid #fff;}
.ss-orb-n{margin-top:8px;font-size:12px;font-weight:800;color:var(--ss-muted);background:#fff;padding:1px 8px;border-radius:99px;box-shadow:0 1px 3px rgba(27,20,64,.12);letter-spacing:-1px;line-height:1.5;min-width:24px;text-align:center;}
.ss-orb.next .ss-orb-n{background:var(--gold);color:#fff;letter-spacing:0;}
.ss-orb-pin{position:absolute;top:-40px;left:50%;transform:translateX(-50%);width:34px;height:34px;border-radius:50%;background:#fff;border:2.5px solid var(--gold);overflow:hidden;animation:ssBob 1.6s ease-in-out infinite;z-index:2;box-shadow:0 4px 8px rgba(27,20,64,.2);}
.ss-orb-pin svg{width:100%;height:100%;}
@keyframes ssBob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,-5px)}}
.ss-isle-foot{padding:12px 16px 16px;border-top:2px solid #F3F0F9;}
.ss-banner{display:flex;align-items:center;gap:12px;border-radius:18px;padding:12px 14px;}
.ss-banner .ic{font-size:26px;}
.ss-banner .t{font-weight:800;font-size:14.5px;color:var(--ss-navy);}
.ss-banner .s{font-size:12.5px;color:var(--ss-muted);font-weight:600;}
.ss-banner.lock{background:#F7F5FB;border:2px solid #EDE9F5;}
.ss-banner.ready{background:linear-gradient(135deg,#FFFBEF,#FFF1CF);border:2px solid #F3D18B;}
.ss-banner.done{background:#E9F7EF;border:2px solid #BFE6CD;}
.ss-banner button{margin-left:auto;flex-shrink:0;}
@media (min-width:900px){ .ss-sec{padding:30px 28px;} }
@media (prefers-reduced-motion:reduce){ .ss-sec.near,.ss-sec.far{transform:none;} }

/* ---------- bottom sheet ---------- */
.ss-overlay{position:absolute;inset:0;background:rgba(27,20,64,.45);z-index:50;display:none;align-items:flex-end;justify-content:center;}
.ss-overlay.open{display:flex;}
.ss-sheet{width:100%;max-width:560px;background:#fff;border-radius:26px 26px 0 0;padding:10px 18px calc(18px + env(safe-area-inset-bottom,0px));max-height:88%;overflow-y:auto;animation:ssUp .26s cubic-bezier(.2,.8,.2,1);touch-action:pan-y;}
@media (min-width:700px){.ss-overlay{align-items:center}.ss-sheet{border-radius:26px;}}
@keyframes ssUp{from{transform:translateY(100%)}to{transform:none}}
.ss-handle{width:44px;height:5px;border-radius:99px;background:#DDD6EC;margin:0 auto 12px;}
.ss-sh-head{display:flex;align-items:center;gap:12px;}
.ss-sh-orb{width:58px;height:58px;border-radius:18px;background:#FFF4E0;display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0;}
.ss-sh-k{font-size:12px;font-weight:800;color:var(--ss-muted);}
.ss-sh-t{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:20px;line-height:1.15;}
.ss-chip{display:inline-block;margin-top:4px;font-size:12px;font-weight:800;padding:3px 10px;border-radius:99px;}
.ss-chip.done{background:#D9F2E3;color:#07632A;}
.ss-chip.next{background:#FFEDC8;color:#8A5200;}
.ss-chip.locked{background:#EEEBF5;color:#7C7896;}
.ss-sh-x{margin-left:auto;width:38px;height:38px;border-radius:50%;background:#F3F0FA;font-size:16px;font-weight:800;align-self:flex-start;}
.ss-sh-score{display:flex;align-items:center;justify-content:space-between;background:#F8F6FC;border-radius:16px;padding:12px 14px;margin-top:14px;}
.ss-sh-score b{font-family:'Baloo 2',sans-serif;font-size:26px;line-height:1;}
.ss-sh-score small{display:block;font-size:12px;color:var(--ss-muted);font-weight:700;}
.ss-sh-btns{display:grid;gap:10px;margin-top:16px;}
.ss-sh-btns.two{grid-template-columns:1fr 1fr;}
.ss-sh-note{font-size:13.5px;color:var(--ss-muted);font-weight:600;margin:14px 0 0;line-height:1.5;}

/* ---------- tiles (cards, practice, tests) ---------- */
.ss-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.ss-tile{text-align:left;background:#fff;border:1px solid var(--ss-line);border-radius:18px;padding:12px 12px 12px 16px;position:relative;overflow:hidden;min-height:92px;display:flex;flex-direction:column;}
.ss-tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--c,var(--sky));}
.ss-tile .nm{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:16px;line-height:1.15;}
.ss-tile .sub{font-size:12px;color:var(--ss-muted);font-weight:700;margin-top:2px;}
.ss-tile .ex{font-size:22px;font-weight:800;margin-top:6px;letter-spacing:.5px;}
.ss-tile .ex .target{color:var(--ss-pink);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:4px;}
.ss-tile .pb{margin-top:auto;padding-top:8px;}
.ss-tile .pb i{display:block;height:5px;border-radius:99px;background:#EFEAF8;overflow:hidden;}
.ss-tile .pb i b{display:block;height:100%;background:var(--c,var(--sky));}
.ss-tile .pb span{font-size:12px;font-weight:700;color:var(--ss-muted);}
.ss-tile.locked{opacity:.5;}
.ss-row{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--ss-line);border-radius:18px;padding:12px 14px;margin-bottom:10px;width:100%;text-align:left;}
.ss-row .ic{width:46px;height:46px;border-radius:14px;background:#F3F0FA;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;}
.ss-row .bd{flex:1;min-width:0;}
.ss-row .t{font-weight:800;font-size:15px;line-height:1.25;}
.ss-row .s{font-size:12.5px;color:var(--ss-muted);font-weight:600;margin-top:2px;}
.ss-row .r{flex-shrink:0;font-weight:800;font-size:13px;}
.ss-row.locked{opacity:.55;}
.ss-soundchips{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;}
.ss-soundchips span{font-size:12px;font-weight:800;background:#F1ECFB;color:#5A3FA8;padding:2px 8px;border-radius:99px;}

/* ---------- word cards player ---------- */
.ss-play{flex:1;overflow-y:auto;padding:14px 16px 20px;display:flex;flex-direction:column;gap:12px;}
.ss-pbar{height:8px;border-radius:99px;background:#EFEAF8;overflow:hidden;flex-shrink:0;}
.ss-pbar i{display:block;height:100%;background:var(--c,var(--sky));transition:width .3s;}
.ss-card{background:#fff;border-radius:26px;border:1px solid var(--ss-line);box-shadow:0 12px 30px rgba(27,20,64,.08);padding:18px;text-align:center;position:relative;touch-action:pan-y;user-select:none;-webkit-user-select:none;}
.ss-card-k{font-size:12.5px;font-weight:800;color:var(--ss-muted);}
.ss-word{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:clamp(54px,17vw,96px);line-height:1.1;margin:18px 0 12px;color:var(--ss-navy);letter-spacing:1px;word-break:break-word;cursor:pointer;}
.ss-word .target{color:var(--ss-pink);text-decoration:underline;text-decoration-thickness:5px;text-underline-offset:8px;}
.ss-word.hide .target{color:var(--ss-navy);text-decoration:none;}
.ss-word.hide span{cursor:pointer;border-radius:10px;}
.ss-word .shake{animation:ssShake .35s;}
@keyframes ssShake{0%,100%{transform:none}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.ss-word.pop{animation:ssPop .35s;}
@keyframes ssPop{50%{transform:scale(1.08)}}
.ss-spill{display:inline-block;background:#FCE7F1;color:#A3175A;font-weight:800;font-size:14px;padding:6px 14px;border-radius:99px;}
.ss-acts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px;}
.ss-act{background:#F6F3FC;border-radius:14px;padding:10px 4px;font-weight:800;font-size:12.5px;color:var(--ink);display:flex;flex-direction:column;align-items:center;gap:3px;min-height:60px;}
.ss-act .ic{font-size:22px;}
.ss-act.on{background:#FFF1CC;color:#8A5200;}
.ss-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;}
.ss-count{font-weight:800;color:var(--ss-muted);font-size:14px;min-width:64px;text-align:center;}
.ss-dots{display:flex;gap:5px;overflow-x:auto;padding:4px 2px;scrollbar-width:none;}
.ss-dots::-webkit-scrollbar{display:none;}
.ss-dots button{flex:0 0 auto;width:14px;height:14px;border-radius:50%;background:#E6E0F2;padding:0;}
.ss-dots button.known{background:var(--gold-light);}
.ss-dots button.cur{background:var(--ss-navy);transform:scale(1.25);}
.ss-judge{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.ss-hint{font-size:13px;color:var(--ss-muted);font-weight:600;text-align:center;}

/* practice gym */
.ss-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;}
.ss-gw{background:#fff;border:1.5px solid var(--ss-line);border-radius:16px;padding:14px 6px;text-align:center;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:22px;line-height:1.1;}
.ss-gw small{display:block;font-family:'Plus Jakarta Sans',sans-serif;font-size:12px;color:var(--ss-muted);font-weight:700;margin-top:3px;}
.ss-gw.heard{border-color:var(--sky);background:var(--sky-soft);}
.ss-quiz-q{display:flex;flex-direction:column;align-items:center;gap:10px;padding:10px 0 6px;}
.ss-speaker{width:92px;height:92px;border-radius:50%;background:var(--sky);color:#fff;font-size:38px;box-shadow:0 6px 0 #1C86B0;}
.ss-speaker:active{transform:translateY(4px);box-shadow:0 2px 0 #1C86B0;}
.ss-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.ss-opt{background:#fff;border:2px solid var(--ss-line);border-radius:18px;padding:18px 8px;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:26px;min-height:74px;color:var(--ss-navy);}
.ss-opt.right{border-color:var(--green);background:var(--green-soft);}
.ss-opt.wrong{border-color:#E6A4A4;background:#FBEAEA;color:#A74040;animation:ssShake .35s;}
.ss-score{display:flex;justify-content:center;gap:14px;font-weight:800;font-size:14px;color:var(--ss-muted);}
.ss-done{text-align:center;padding:22px 10px;}
.ss-done .big{font-size:56px;}
.ss-done h3{font-size:24px;margin:6px 0;}
.ss-auto{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--ss-muted);}
.ss-switch{width:46px;height:28px;border-radius:99px;background:#DDD6EC;position:relative;padding:0;flex-shrink:0;transition:background .2s;}
.ss-switch::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s;}
.ss-switch.on{background:var(--green);}
.ss-switch.on::after{transform:translateX(18px);}

/* test runner + report */
.ss-sec-intro{text-align:center;padding:26px 10px;}
.ss-sec-intro .ic{font-size:60px;}
.ss-sec-intro h3{font-size:24px;margin:8px 0 4px;}
.ss-readword{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:clamp(56px,18vw,100px);text-align:center;color:var(--ss-navy);margin:20px 0;}
.ss-report{background:#fff;border-radius:22px;border:1px solid var(--ss-line);padding:18px;}
.ss-rep-head{display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--ss-line);padding-bottom:12px;margin-bottom:14px;}
.ss-rep-head img{width:70px;height:40px;object-fit:contain;}
.ss-rep-head b{font-family:'Baloo 2',sans-serif;font-size:18px;display:block;line-height:1.1;}
.ss-rep-head small{font-size:12px;color:var(--ss-muted);font-weight:600;}
.ss-rep-score{display:flex;align-items:center;gap:16px;}
.ss-ring{width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ss-ring span{width:74px;height:74px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:24px;}
.ss-band{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:21px;}
.ss-band-d{font-size:13.5px;color:var(--ss-muted);font-weight:600;line-height:1.45;margin-top:2px;}
.ss-skill{display:grid;grid-template-columns:1fr 120px 44px;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid #F1EDF8;font-size:14px;font-weight:700;}
.ss-skill i{display:block;height:9px;border-radius:99px;background:#EFEAF8;overflow:hidden;}
.ss-skill i b{display:block;height:100%;border-radius:99px;}
.ss-skill em{font-style:normal;text-align:right;}
.ss-steps{background:#F8F6FC;border-radius:16px;padding:12px 16px;margin-top:14px;}
.ss-steps h4{margin:0 0 6px;font-size:14.5px;}
.ss-steps li{font-size:13.5px;line-height:1.5;margin:4px 0;font-weight:600;}
.ss-remarks{width:100%;margin-top:12px;border:1.5px solid var(--ss-line);border-radius:14px;padding:12px;font-family:inherit;font-size:14px;min-height:80px;resize:vertical;}
.ss-print-remarks{display:none;font-size:13.5px;line-height:1.5;white-space:pre-wrap;margin-top:8px;}
.ss-name-in{width:100%;padding:14px;border-radius:14px;border:1.5px solid var(--ss-line);font-size:16px;font-family:inherit;margin:6px 0 14px;}

/* me tab */
.ss-me-card{background:#fff;border:1px solid var(--ss-line);border-radius:22px;padding:18px;text-align:center;}
.ss-me-card .av{width:92px;height:92px;margin:0 auto;border-radius:50%;background:var(--sky-soft);overflow:hidden;}
.ss-me-card .av svg{width:100%;height:100%;}
.ss-set{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--ss-line);border-radius:16px;padding:12px 14px;margin-bottom:8px;}
.ss-set .bd{flex:1;}
.ss-set .t{font-weight:800;font-size:14.5px;}
.ss-set .s{font-size:12.5px;color:var(--ss-muted);font-weight:600;}
.ss-set .ss-seg{flex:0 0 190px;}
.ss-warn{background:#FFF4E0;border:1px solid #F3D18B;border-radius:14px;padding:11px 14px;font-size:13px;font-weight:700;color:#8A5200;margin-bottom:12px;}
.ss-foot{text-align:center;font-size:12px;color:var(--ss-muted);font-weight:600;margin-top:20px;line-height:1.6;}

/* print: report card only */
@media print{
  body.ss-print .screen{display:none!important;}
  body.ss-print #testScreen{display:block!important;position:static!important;}
  body.ss-print #testScreen .topbar, body.ss-print #testScreen .lp-progress, body.ss-print .ss-noprint{display:none!important;}
  body.ss-print .ss-play{overflow:visible;padding:0;}
  body.ss-print .ss-report{border:0;padding:0;}
  body.ss-print .ss-remarks{display:none;}
  body.ss-print .ss-print-remarks{display:block;}
  body.ss-print .ss-overlay{display:none!important;}
  body.ss-print{display:block!important;padding:0!important;background:#fff!important;}
  body.ss-print .book{background:#fff!important;}
}
/* =====================================================================
   LIVING FOREST SCENES — one scene per forest (biome), cross-fading as
   you scroll, with a time-of-day light layer on top.
   ===================================================================== */
@property --sky1{syntax:'<color>';inherits:true;initial-value:#E9F5D6}
@property --sky2{syntax:'<color>';inherits:true;initial-value:#BFE3B0}
@property --sky3{syntax:'<color>';inherits:true;initial-value:#8FC99A}
@property --sunc{syntax:'<color>';inherits:true;initial-value:#FFF4B0}
@property --mtnc{syntax:'<color>';inherits:true;initial-value:#9CC7A8}
@property --f1{syntax:'<color>';inherits:true;initial-value:#6BAF7A}
@property --f2{syntax:'<color>';inherits:true;initial-value:#3F8A55}
@property --f3{syntax:'<color>';inherits:true;initial-value:#1F5E36}
@property --grd{syntax:'<color>';inherits:true;initial-value:#2E6B3C}
:root{
  --m-pine:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 160' preserveAspectRatio='none'%3E%3Cpath d='M0 160V96l14-36 14 36 6-14 16-46 16 46 8-12 14-40 14 40 10-18 16-44 16 44 8-10 14-34 14 34 10-14 16-42 16 42 8-12 10-22V160z'/%3E%3C/svg%3E");
  --m-pine2:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120' preserveAspectRatio='none'%3E%3Cpath d='M0 120V70l18-50 18 50 8-20 20-44 20 44 10-16 18-40 18 40 8-18 22-46 22 46 8-12 14-28V120z'/%3E%3C/svg%3E");
  --m-round:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 160' preserveAspectRatio='none'%3E%3Cpath d='M0 160V100a24 24 0 0 1 40-12a28 28 0 0 1 48-8a22 22 0 0 1 40 4a30 30 0 0 1 52-10a26 26 0 0 1 44 6a16 16 0 0 1 16 10V160z'/%3E%3C/svg%3E");
  --m-bush:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 60' preserveAspectRatio='none'%3E%3Cpath d='M0 60V30q10-22 22-8 8-20 22-10 12-18 26-6 10-16 24-4 12-20 28-6 12-14 24-2 14-18 30-4 10-8 24 4V60z'/%3E%3C/svg%3E");
  --m-palm:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 160' preserveAspectRatio='none'%3E%3Cpath d='M0 160V70q20-40 50-20-10-30 30-26 10 30-6 40 30-6 40 22-24-10-40 4V160h40V80q20-44 56-30-8-30 34-22 6 32-14 40 28 2 30 28-26-14-44 0V160z'/%3E%3C/svg%3E");
  --m-mtn:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 200' preserveAspectRatio='none'%3E%3Cpath d='M0 200V120l40-50 30 30 40-70 40 60 30-30 40 50 40-60 40 50 20-10V200z'/%3E%3C/svg%3E");
}
.ss-main{position:relative;}
.ss-body.is-home{background:transparent!important;position:relative;z-index:1;}
.ss-forest{display:none;position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  --sunop:.9;--mtnop:.75;--mist:.35;--starop:0;
  --t1:var(--m-round);--t2:var(--m-pine2);--t3:var(--m-bush);
  transition:--sky1 1.2s,--sky2 1.2s,--sky3 1.2s,--sunc 1.2s,--mtnc 1.2s,--f1 1.2s,--f2 1.2s,--f3 1.2s,--grd 1.2s;}
.ss-main.home-on .ss-forest{display:block;}
.ss-forest > *{position:absolute;left:0;right:0;}
.ss-forest .sky{inset:0;background:linear-gradient(180deg,var(--sky1) 0%,var(--sky2) 52%,var(--sky3) 100%);}
.ss-forest .sun{left:auto;right:12%;top:9%;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,var(--sunc) 0 34%,color-mix(in srgb,var(--sunc) 40%,transparent) 46%,transparent 70%);opacity:var(--sunop);transition:opacity 1.2s;animation:scSun 10s ease-in-out infinite alternate;}
@keyframes scSun{to{transform:scale(1.08)}}
.ss-forest .stars{inset:0 0 45% 0;opacity:var(--starop);transition:opacity 1.2s;
  background:radial-gradient(1.5px 1.5px at 12% 22%,#fff,transparent),radial-gradient(1.5px 1.5px at 32% 12%,#fff,transparent),radial-gradient(2px 2px at 58% 26%,#fff,transparent),radial-gradient(1.5px 1.5px at 78% 14%,#fff,transparent),radial-gradient(1.5px 1.5px at 88% 34%,#fff,transparent),radial-gradient(2px 2px at 44% 40%,#fff,transparent),radial-gradient(1.5px 1.5px at 22% 48%,#fff,transparent),radial-gradient(1.5px 1.5px at 68% 52%,#fff,transparent);
  background-size:300px 300px;animation:scTw 4s ease-in-out infinite alternate;}
@keyframes scTw{to{filter:brightness(1.6)}}
.ss-forest .mtn{bottom:30%;height:34%;background:var(--mtnc);opacity:var(--mtnop);-webkit-mask:var(--m-mtn) repeat-x bottom/560px 100%;mask:var(--m-mtn) repeat-x bottom/560px 100%;}
.ss-forest .mist{height:16%;background:linear-gradient(180deg,transparent,rgba(255,255,255,var(--mist)),transparent);animation:scMist 18s ease-in-out infinite alternate;}
.ss-forest .m1{bottom:40%;}
.ss-forest .m2{bottom:14%;height:12%;animation-duration:24s;}
@keyframes scMist{from{transform:translateX(-4%)}to{transform:translateX(4%)}}
.ss-forest .trees{-webkit-mask-repeat:repeat-x;mask-repeat:repeat-x;-webkit-mask-position:bottom;mask-position:bottom;}
.ss-forest .t1{bottom:18%;height:36%;background:var(--f1);-webkit-mask-image:var(--t1);mask-image:var(--t1);-webkit-mask-size:400px 100%;mask-size:400px 100%;}
.ss-forest .t2{bottom:7%;height:32%;background:var(--f2);-webkit-mask-image:var(--t2);mask-image:var(--t2);-webkit-mask-size:320px 100%;mask-size:320px 100%;-webkit-mask-position:140px bottom;mask-position:140px bottom;}
.ss-forest .t3{bottom:0;height:20%;background:var(--f3);-webkit-mask-image:var(--t3);mask-image:var(--t3);-webkit-mask-size:280px 100%;mask-size:280px 100%;}
.ss-forest .ground{bottom:0;height:8%;background:var(--grd);}
.ss-forest .photo{inset:0;background-size:cover;background-position:center bottom;opacity:0;transition:opacity 1.2s;}
.ss-forest .photo.on{opacity:1;}
.ss-forest .fx{inset:0;}
.ss-forest .tod{inset:0;transition:background 1.2s;}
.ss-forest[data-tod="dawn"] .tod{background:linear-gradient(180deg,rgba(255,190,140,.22),transparent 60%);}
.ss-forest[data-tod="dusk"] .tod{background:linear-gradient(180deg,rgba(255,140,70,.28),rgba(120,40,80,.12));}
.ss-forest[data-tod="night"] .tod{background:linear-gradient(180deg,rgba(8,12,45,.62),rgba(8,12,45,.4));}
.ss-forest[data-tod="night"]{--starop:1;--sunop:.55;}

/* biome palettes */
.ss-forest[data-biome="woods"]  {--sky1:#E9F5D6;--sky2:#BFE3B0;--sky3:#8FC99A;--sunc:#FFF4B0;--mtnc:#9CC7A8;--f1:#6BAF7A;--f2:#3F8A55;--f3:#1F5E36;--grd:#244F2F;--mist:.45;--t1:var(--m-round);--t2:var(--m-pine2);--t3:var(--m-round);}
.ss-forest[data-biome="meadow"] {--sky1:#FFF7DA;--sky2:#E3F5C4;--sky3:#BFE69E;--sunc:#FFE27A;--mtnc:#C2E3A6;--f1:#9BD073;--f2:#6DB552;--f3:#4C9A3C;--grd:#5AA844;--mist:.2;--t1:var(--m-round);--t2:var(--m-round);--t3:var(--m-bush);}
.ss-forest[data-biome="meadow"] .ground{height:12%;background:radial-gradient(circle,#FFD84D 0 3px,transparent 4px) 0 0/34px 26px,radial-gradient(circle,#FF8FB8 0 3px,transparent 4px) 17px 13px/34px 26px,var(--grd);}
.ss-forest[data-biome="river"]  {--sky1:#E2F5FF;--sky2:#BFE7F4;--sky3:#9FD8DA;--sunc:#FFF7C2;--mtnc:#8FC6CC;--f1:#6BB39A;--f2:#3F8F7A;--f3:#2A6E5E;--grd:#3FA7D6;--mist:.4;--t1:var(--m-round);--t2:var(--m-pine2);--t3:var(--m-bush);}
.ss-forest[data-biome="river"] .ground{height:13%;background:repeating-linear-gradient(170deg,rgba(255,255,255,.25) 0 3px,transparent 3px 22px),linear-gradient(180deg,#5CC0E6,#2E8FBF);animation:scWave 6s linear infinite;}
@keyframes scWave{to{background-position:120px 0,0 0}}
.ss-forest[data-biome="jungle"] {--sky1:#DDF2C8;--sky2:#A6D883;--sky3:#62B157;--sunc:#F9F3A0;--mtnc:#71B06C;--f1:#3E9150;--f2:#26733B;--f3:#134E26;--grd:#123F20;--mist:.4;--t1:var(--m-palm);--t2:var(--m-round);--t3:var(--m-palm);}
.ss-forest[data-biome="canopy"] {--sky1:#EAF6FF;--sky2:#CFEBD8;--sky3:#9ED3AE;--sunc:#FFF6C8;--mtnc:#B5DCC4;--mtnop:.4;--f1:#7CC08E;--f2:#4F9C66;--f3:#2F7747;--grd:#2A5E3A;--mist:.55;--t1:var(--m-round);--t2:var(--m-round);--t3:var(--m-round);}
.ss-forest[data-biome="autumn"] {--sky1:#FFF1D8;--sky2:#FFD9A8;--sky3:#F3B77E;--sunc:#FFD27A;--mtnc:#D9A77A;--f1:#E7A04E;--f2:#C9642E;--f3:#8E3F1F;--grd:#7A4220;--mist:.3;--t1:var(--m-round);--t2:var(--m-round);--t3:var(--m-bush);}
.ss-forest[data-biome="snow"]   {--sky1:#EEF6FF;--sky2:#D5E6F7;--sky3:#BCD4EE;--sunc:#FFFFFF;--mtnc:#F4F8FD;--mtnop:.95;--f1:#9DB9CF;--f2:#6A8BA5;--f3:#3F5C74;--grd:#F4F9FF;--mist:.6;--t1:var(--m-pine);--t2:var(--m-pine2);--t3:var(--m-pine);}
.ss-forest[data-biome="snow"] .ground{height:11%;background:radial-gradient(ellipse 60% 100% at 30% 100%,#fff 60%,transparent 61%),radial-gradient(ellipse 50% 90% at 80% 100%,#fff 60%,transparent 61%),#EEF5FF;}
.ss-forest[data-biome="night"]  {--sky1:#141A3D;--sky2:#222B5E;--sky3:#2F3B72;--sunc:#FFF3C4;--sunop:1;--starop:1;--mtnc:#2B3566;--f1:#27325F;--f2:#1C2549;--f3:#111834;--grd:#0C1128;--mist:.12;--t1:var(--m-round);--t2:var(--m-pine2);--t3:var(--m-bush);}
.ss-forest[data-biome="night"] .sun{background:radial-gradient(circle at 40% 40%,#FFF8DC 0 30%,#F1E4B0 34%,rgba(255,240,180,.25) 46%,transparent 70%);}
.ss-forest[data-biome="blossom"]{--sky1:#FFF1F6;--sky2:#FFDDEA;--sky3:#F7C6DA;--sunc:#FFF1B8;--mtnc:#E9BDD0;--f1:#F4AECA;--f2:#DD80A6;--f3:#6FA256;--grd:#7DBB61;--mist:.35;--t1:var(--m-round);--t2:var(--m-round);--t3:var(--m-bush);}
.ss-forest[data-biome="rain"]   {--sky1:#D3DEE4;--sky2:#AFC3CD;--sky3:#8EA8B3;--sunc:#E8EEF2;--sunop:.25;--mtnc:#7C98A3;--f1:#5E8472;--f2:#3D6653;--f3:#244A39;--grd:#20402F;--mist:.65;--t1:var(--m-pine);--t2:var(--m-pine2);--t3:var(--m-pine);}
.ss-forest[data-biome="summit"] {--sky1:#FFD9A8;--sky2:#F6A99F;--sky3:#B98BCB;--sunc:#FFB35C;--sunop:1;--mtnc:#8C6C9E;--mtnop:.95;--f1:#735884;--f2:#4F3C66;--f3:#2E2342;--grd:#281D3A;--mist:.3;--t1:var(--m-pine);--t2:var(--m-pine2);--t3:var(--m-bush);}
.ss-forest[data-biome="summit"] .mtn{height:48%;bottom:22%;}
.ss-forest[data-biome="summit"] .sun{top:26%;right:40%;width:170px;height:170px;}

/* particles (background + inside each forest card) */
.ss-fx,.ss-forest .fx{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.ss-fx i,.ss-forest .fx i{position:absolute;font-style:normal;line-height:1;will-change:transform;animation-iteration-count:infinite;animation-timing-function:linear;}
.fx-fall{top:-6%;animation-name:pFall;}
@keyframes pFall{0%{transform:translate(0,-40px) rotate(0)}25%{transform:translate(22px,260px) rotate(90deg)}50%{transform:translate(-14px,540px) rotate(180deg)}75%{transform:translate(18px,820px) rotate(270deg)}100%{transform:translate(-6px,1120px) rotate(360deg)}}
.fx-rise{top:auto!important;bottom:-4%;animation-name:pRise;}
@keyframes pRise{0%{transform:translate(0,0)}50%{transform:translate(12px,-520px)}100%{transform:translate(-8px,-1100px)}}
.fx-fly{animation-name:pFly;animation-timing-function:ease-in-out!important;}
@keyframes pFly{0%{transform:translate(-60vw,0)}25%{transform:translate(-30vw,-16px)}50%{transform:translate(0,8px)}75%{transform:translate(30vw,-14px)}100%{transform:translate(60vw,0)}}
.fx-flutter{animation-name:pFlut;animation-timing-function:ease-in-out!important;animation-direction:alternate;}
@keyframes pFlut{0%{transform:translate(0,0) scaleX(1)}25%{transform:translate(40px,-30px) scaleX(.6)}50%{transform:translate(80px,10px) scaleX(1)}75%{transform:translate(40px,40px) scaleX(.6)}100%{transform:translate(0,0) scaleX(1)}}
.fx-twinkle{animation-name:pTw;animation-timing-function:ease-in-out!important;}
@keyframes pTw{0%,100%{transform:scale(.4);opacity:.2}50%{transform:scale(1.1);opacity:1}}
.fx-glow{animation-name:pGlow;animation-timing-function:ease-in-out!important;animation-direction:alternate;}
@keyframes pGlow{0%{transform:translate(0,0);opacity:.2}50%{opacity:1}100%{transform:translate(60px,-50px);opacity:.3}}
.fx-rain{top:-8%;animation-name:pRain;}
@keyframes pRain{from{transform:translate(0,-40px) rotate(12deg)}to{transform:translate(-180px,1120px) rotate(12deg)}}
.p-flake{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 6px rgba(255,255,255,.9);}
.p-bub{width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.85);background:rgba(255,255,255,.18);}
.p-drop{width:2px;height:18px;border-radius:2px;background:linear-gradient(180deg,transparent,rgba(210,230,240,.95));}
.p-ff{width:7px;height:7px;border-radius:50%;background:#FFF6A8;box-shadow:0 0 12px 5px rgba(255,236,110,.75);}

/* ---------- forest card: big banner + biome-themed body ---------- */
.ss-island{position:relative;animation:ssIsle 7s ease-in-out infinite;}
@keyframes ssIsle{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.ss-isle{background:transparent;border-radius:40px 40px 34px 34px;overflow:hidden;position:relative;z-index:2;
  box-shadow:0 26px 50px rgba(10,20,15,.38),0 2px 0 rgba(255,255,255,.9) inset;border:3px solid rgba(255,255,255,.95);
  --card1:#F5FAEE;--card2:#E3F1D8;--cardpat:none;--path:#E8DAB2;--pathd:#B89A5A;--bodyink:var(--ss-navy);}
.ss-bn{position:relative;height:150px;overflow:hidden;background:var(--acc);}
.ss-bn-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02);}
.ss-bn-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.62) 100%);}
.ss-bn-text{position:absolute;left:18px;right:18px;bottom:12px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.45);}
.ss-bn .ss-isle-n{color:rgba(255,255,255,.88);font-size:12px;font-weight:800;}
.ss-bn .ss-isle-name{color:#fff;font-size:27px;line-height:1.05;}
.ss-bn .ss-isle-tag{color:rgba(255,255,255,.92);font-size:12.5px;font-weight:700;margin-top:2px;}
.ss-bn .ss-wchip{position:absolute;top:12px;right:12px;margin:0;box-shadow:0 3px 8px rgba(0,0,0,.2);}
.ss-wchip.cur{background:#fff;color:color-mix(in srgb,var(--acc) 80%,#000);}
.ss-wchip.lock{background:#FFF1D6;color:#8A5200;}
.ss-isle-body{position:relative;background:var(--cardpat),linear-gradient(180deg,var(--card1),var(--card2));}
.ss-isle-body > :not(.ss-fx){position:relative;z-index:1;}
.ss-isle-prog{padding:12px 20px 4px;}
.ss-isle-prog span{color:var(--bodyink);opacity:.75;}
.ss-isle-bar{background:rgba(0,0,0,.08);}
.ss-isle-foot{border-top:2px solid rgba(0,0,0,.05);}
.ss-lockband{margin:6px 16px 0;padding:10px 14px;border-radius:16px;background:rgba(255,246,228,.92);border:2px dashed #E7C58A;color:#7A4B00;font-weight:700;font-size:13px;}
.ss-rock{position:relative;z-index:1;margin:-26px auto 0;width:78%;height:70px;background:linear-gradient(180deg,#8B5E34 0%,#6E4524 55%,#4E2F17 100%);
  clip-path:polygon(0 0,100% 0,94% 30%,86% 44%,80% 70%,70% 62%,62% 88%,54% 72%,48% 100%,41% 74%,34% 86%,27% 60%,19% 72%,12% 42%,5% 30%);filter:drop-shadow(0 10px 10px rgba(0,0,0,.25));}
.ss-rock i{position:absolute;width:3px;background:#5C3A1E;border-radius:2px;top:40px;}
.ss-rock i:nth-child(1){left:30%;height:34px;transform:rotate(8deg);}
.ss-rock i:nth-child(2){left:58%;height:44px;transform:rotate(-6deg);}
.ss-rock i:nth-child(3){left:72%;height:26px;transform:rotate(12deg);}
.ss-milestone span{background:rgba(20,30,20,.35);border-color:rgba(255,255,255,.45);}
.ss-scrollhint{text-shadow:0 1px 4px rgba(0,0,0,.4);}

/* biome cards */
.ss-isle[data-biome="woods"]  {--card1:#F3FAEC;--card2:#DDEFD2;--cardpat:radial-gradient(circle at 20% 30%,rgba(63,138,85,.08) 0 18px,transparent 19px) 0 0/90px 90px;--path:#E6D6A8;--pathd:#A88A4E;}
.ss-isle[data-biome="meadow"] {--card1:#FFFDF0;--card2:#EAF8D4;--cardpat:radial-gradient(circle,#FFD84D 0 3px,transparent 4px) 0 0/46px 46px,radial-gradient(circle,#FF9DC2 0 3px,transparent 4px) 23px 23px/46px 46px;--path:#F0DFAE;--pathd:#C4A25A;}
.ss-isle[data-biome="river"]  {--card1:#EEF9FF;--card2:#D6EFF7;--cardpat:repeating-linear-gradient(170deg,rgba(30,154,200,.07) 0 4px,transparent 4px 26px);--path:#C9D3D8;--pathd:#8FA3AE;--pathw:14px;--pathdash:4 26;}
.ss-isle[data-biome="jungle"] {--card1:#EEF8E6;--card2:#CFE8BE;--cardpat:radial-gradient(ellipse 14px 6px at 50% 50%,rgba(30,140,69,.12) 98%,transparent) 0 0/60px 40px;--path:#DCC894;--pathd:#9C8148;}
.ss-isle[data-biome="canopy"] {--card1:#F3FAF4;--card2:#DCF0E0;--path:#C99B63;--pathd:#7C5530;--pathw:16px;--pathdash:4 10;}
.ss-isle[data-biome="autumn"] {--card1:#FFF7EC;--card2:#FBE2C6;--cardpat:radial-gradient(circle at 30% 40%,rgba(210,105,30,.09) 0 14px,transparent 15px) 0 0/80px 80px;--path:#EBCB9C;--pathd:#B07A3A;}
.ss-isle[data-biome="snow"]   {--card1:#F8FBFF;--card2:#E4EEF9;--path:#FFFFFF;--pathd:#AFC6DE;}
.ss-isle[data-biome="snow"] .ss-isle-body::after{content:"";position:absolute;left:0;right:0;bottom:0;height:70px;background:radial-gradient(ellipse 40% 60px at 20% 100%,#fff 70%,transparent 71%),radial-gradient(ellipse 45% 70px at 75% 100%,#fff 70%,transparent 71%);pointer-events:none;}
.ss-isle[data-biome="night"]  {--card1:#232A5A;--card2:#161C3F;--cardpat:radial-gradient(1.5px 1.5px at 20% 30%,rgba(255,255,255,.8),transparent) 0 0/70px 70px,radial-gradient(1px 1px at 60% 70%,rgba(255,255,255,.6),transparent) 0 0/50px 50px;--path:#3C4785;--pathd:#FFE38A;--bodyink:#E5E9FF;}
.ss-isle[data-biome="night"] .ss-isle-bar{background:rgba(255,255,255,.15);}
.ss-isle[data-biome="night"] .ss-isle-foot{border-top-color:rgba(255,255,255,.08);}
.ss-isle[data-biome="blossom"]{--card1:#FFF7FA;--card2:#FDE3EE;--cardpat:radial-gradient(circle,rgba(214,69,127,.1) 0 5px,transparent 6px) 0 0/54px 54px;--path:#F2D5C4;--pathd:#C98F74;}
.ss-isle[data-biome="rain"]   {--card1:#EEF3F5;--card2:#D8E3E7;--path:#C5CFC6;--pathd:#7E948A;--pathw:14px;--pathdash:4 24;}
.ss-isle[data-biome="summit"] {--card1:#FFF3EA;--card2:#F1DDEE;--cardpat:linear-gradient(160deg,transparent 60%,rgba(140,108,158,.08) 60%);--path:#E4CAA6;--pathd:#A57E55;}

/* bigger letter tag on each stop */
.ss-orb-tag{position:absolute;left:50%;bottom:-16px;transform:translateX(-50%);background:#fff;color:var(--ss-navy);border:2.5px solid var(--acc);font-family:'Baloo 2',sans-serif;font-weight:800;font-size:21px;line-height:1;padding:4px 11px 2px;border-radius:99px;white-space:nowrap;box-shadow:0 3px 6px rgba(0,0,0,.16);z-index:2;}
.ss-orb.next .ss-orb-tag{font-size:24px;background:var(--gold);color:#fff;border-color:#fff;}
.ss-orb-n{margin-top:24px;}
.ss-orb-ball{width:62px;height:62px;}
.ss-orb.big .ss-orb-ball,.ss-orb.next .ss-orb-ball{width:70px;height:70px;}
.ss-orb-img{width:74%;height:74%;object-fit:contain;pointer-events:none;}
.ss-orb-emo{font-size:30px;line-height:1;}
.ss-orb.next .ss-orb-emo,.ss-orb.big .ss-orb-emo{font-size:34px;}
.ss-orb.locked .ss-orb-ball{background:linear-gradient(160deg,#fff,color-mix(in srgb,var(--acc) 10%,#fff));box-shadow:0 0 0 2px color-mix(in srgb,var(--acc) 35%,#fff),0 4px 0 color-mix(in srgb,var(--acc) 25%,#ddd);}
.ss-orb.locked:not(.big) .ss-orb-ball > :not(.ss-orb-l){filter:none;opacity:1;}
.ss-orb-lock{position:absolute;left:-6px;top:-6px;width:22px;height:22px;border-radius:50%;background:#FFF1D6;border:2px solid #fff;font-size:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px rgba(0,0,0,.2);}
@media (max-width:420px){.ss-orb-tag{font-size:18px;padding:3px 9px 2px}.ss-orb.next .ss-orb-tag{font-size:21px}}
/* ---------- avatars ---------- */
.ss-face{display:flex;align-items:center;justify-content:center;width:100%;height:100%;border-radius:50%;overflow:hidden;line-height:1;}
.ss-face-img{width:82%;height:82%;object-fit:contain;}
.ss-face-photo{width:100%;height:100%;object-fit:cover;}
.ss-face-up{background:#F1ECFB;font-size:30px;}
button.ss-hero-av{padding:0;position:relative;overflow:visible;}
.ss-hero-av .ss-face,.ss-hero-av > svg{border-radius:50%;overflow:hidden;}
.ss-av-pen{position:absolute;right:-4px;bottom:-2px;width:24px;height:24px;border-radius:50%;background:var(--gold);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;border:2px solid #fff;}
.ss-avgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:10px;margin-top:14px;}
.ss-avpick{display:flex;flex-direction:column;align-items:center;gap:4px;background:#fff;border:2px solid var(--ss-line);border-radius:18px;padding:8px 4px;cursor:pointer;}
.ss-avpick .ss-face{width:56px;height:56px;font-size:34px;}
.ss-avpick small{font-size:12px;font-weight:800;color:var(--ss-muted);}
.ss-avpick.on{border-color:var(--gold);background:#FFF8EA;box-shadow:0 0 0 3px rgba(224,148,15,.2);}
.ss-me-card .av .ss-face{font-size:56px;}
.ss-sh-orb .ss-face{font-size:34px;}

/* ---------- celebration ---------- */
.ss-celeb{position:absolute;inset:0;z-index:90;display:none;align-items:center;justify-content:center;background:rgba(20,40,20,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);padding:20px;}
.ss-celeb.open{display:flex;animation:ssFade .25s ease;}
@keyframes ssFade{from{opacity:0}to{opacity:1}}
.ss-cel-rays{pointer-events:none;position:absolute;left:50%;top:45%;width:900px;height:900px;margin:-450px 0 0 -450px;background:repeating-conic-gradient(rgba(255,230,140,.28) 0 10deg,transparent 10deg 20deg);border-radius:50%;animation:ssSpin 18s linear infinite;-webkit-mask:radial-gradient(circle,#000 20%,transparent 65%);mask:radial-gradient(circle,#000 20%,transparent 65%);}
@keyframes ssSpin{to{transform:rotate(360deg)}}
.ss-cel-card{position:relative;background:#fff;border-radius:30px;padding:22px 22px 18px;width:100%;max-width:360px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.4);animation:ssPopIn .5s cubic-bezier(.2,1.4,.4,1) both;}
@keyframes ssPopIn{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}
.ss-cel-art{height:150px;display:flex;align-items:center;justify-content:center;margin-top:-80px;}
.ss-cel-img{max-height:170px;max-width:220px;object-fit:contain;filter:drop-shadow(0 10px 16px rgba(0,0,0,.25));}
.ss-cel-emoji{font-size:110px;line-height:1;animation:ssJump 1s ease-in-out infinite;filter:drop-shadow(0 10px 14px rgba(0,0,0,.25));}
@keyframes ssJump{0%,100%{transform:translateY(0) scale(1)}40%{transform:translateY(-16px) scale(1.06)}60%{transform:translateY(-10px) rotate(-6deg)}}
.ss-cel-card h2{font-size:27px;color:var(--ss-navy);margin:6px 0 4px;}
.ss-cel-card p{font-size:14.5px;color:var(--ss-muted);font-weight:600;margin:0 0 10px;line-height:1.45;}
.ss-cel-stars{display:flex;justify-content:center;gap:6px;margin:4px 0 16px;}
.ss-cel-stars span{font-size:40px;opacity:.18;filter:grayscale(1);transform:scale(.5);animation:ssStar .45s cubic-bezier(.2,1.6,.4,1) forwards;}
.ss-cel-stars span.on{filter:none;}
@keyframes ssStar{to{transform:scale(1);opacity:1}}
.ss-cel-stars span:not(.on){animation:none;opacity:.18;transform:scale(.85);}

/* ---------- reading & voice drills ---------- */
.rd-kicker{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:18px;color:var(--ss-navy);}
.rd-card{text-align:left;}
.rd-pic{width:110px;height:110px;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;}
.rd-pic .ss-orb-emo{font-size:70px;}
.rd-pic .ss-orb-img{width:100%;height:100%;}
.rd-title{text-align:center;font-size:22px;margin-bottom:8px;}
.rd-text{font-size:21px;line-height:1.75;font-weight:600;color:var(--ink);}
.rd-text.passage{font-size:19px;}
.rd-text p{margin:0 0 12px;}
.rd-s{border-radius:8px;transition:background .2s;padding:1px 0;}
.rd-s.on{background:#FFF2C6;}
.rd-w{border-radius:6px;transition:background .12s,color .12s;}
.rd-w.on{background:var(--gold);color:#fff;}
.rd-big{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:clamp(26px,7vw,38px);line-height:1.35;color:var(--ss-navy);text-align:center;margin:10px 0;}
.rd-timer{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.rd-timer b{font-family:'Baloo 2',sans-serif;font-size:26px;color:var(--ss-navy);}
.rd-row{display:flex;align-items:center;gap:10px;padding:10px 4px;border-bottom:1px solid #F1EDF8;font-size:17px;font-weight:600;line-height:1.4;}
.rd-row:last-child{border-bottom:0;}
.rd-row > span:first-child{flex:1;}
.rd-row.ok{background:#EFFAF3;}
.rd-row.no{background:#FDF0F0;}
.rd-mk{display:flex;gap:6px;flex-shrink:0;}
.rd-mk button{width:44px;height:44px;border-radius:12px;background:#F3F0FA;font-size:18px;font-weight:900;}
.rd-row.ok .rd-mk button[data-v="1"]{background:var(--green);color:#fff;}
.rd-row.no .rd-mk button[data-v="0"]{background:#C94A4A;color:#fff;}
.rd-q{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:23px;line-height:1.3;color:var(--ss-navy);margin-top:4px;}
.rd-opts{display:grid;gap:10px;}
.rd-opt{font-size:19px;min-height:60px;text-align:left;padding:14px 18px;}
.rd-tip{font-size:16px;line-height:1.55;font-weight:600;color:var(--ink);}
.rd-p{font-size:1.25em;padding:0 3px;border-radius:6px;}
.rd-p.stop{color:#C2410C;background:#FFE8D6;}
.rd-p.comma{color:#2563EB;background:#E0ECFF;}
.rd-legend{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:12.5px;font-weight:700;color:var(--ss-muted);}
.rd-into{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:14px;background:#F4F1FB;margin-bottom:8px;font-size:18px;font-weight:700;}
.rd-into b{font-size:24px;color:#C2410C;}
.rd-into.up b{color:#2563EB;}
.rd-syl{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:10px 0;}
.rd-sy{min-width:74px;padding:14px 16px;border-radius:16px;background:#fff;border:2.5px solid var(--ss-line);font-family:'Baloo 2',sans-serif;font-weight:800;font-size:24px;color:var(--ss-navy);transition:transform .2s;}
.rd-sy.big{background:var(--gold);border-color:var(--gold);color:#fff;transform:scale(1.25);}
.rd-say{font-size:18px;font-weight:700;margin:14px 0 0;text-align:center;}
.rd-say b{color:#C2410C;font-size:1.2em;}
.rd-rhythm{font-family:'Baloo 2',sans-serif;line-height:1.6;margin:8px 0;}
.rd-rhythm .beat{font-size:34px;font-weight:800;color:var(--ss-navy);padding:0 4px;border-radius:10px;transition:background .1s,transform .1s;display:inline-block;}
.rd-rhythm .soft{font-size:20px;font-weight:600;color:var(--ss-muted);}
.rd-rhythm .beat.on{background:var(--gold);color:#fff;transform:scale(1.15);}
.rd-feel{font-size:80px;line-height:1;margin-bottom:4px;}

/* ---------- forest picture as the card background ---------- */
.ss-isle{background-color:var(--acc);}
.ss-bn{height:auto;aspect-ratio:2.75/1;min-height:128px;background:transparent;}
.ss-bn-shade{background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.55) 100%);}
.ss-isle-body{background:var(--cardpat),linear-gradient(180deg,color-mix(in srgb,var(--card1) 48%,transparent) 0,color-mix(in srgb,var(--card1) 74%,transparent) 90px,color-mix(in srgb,var(--card2) 84%,transparent) 100%);
  -webkit-backdrop-filter:blur(9px) saturate(1.25);backdrop-filter:blur(9px) saturate(1.25);}
.ss-isle[data-biome="night"] .ss-isle-body{background:var(--cardpat),linear-gradient(180deg,color-mix(in srgb,var(--card1) 60%,transparent),color-mix(in srgb,var(--card2) 88%,transparent));}
.ss-isle-prog span{font-weight:800;}
.ss-forest .photo.soft{filter:blur(16px) saturate(1.3);transform:scale(1.15);opacity:.5;background-size:cover;background-position:center;}

/* ---------- EduNext branding ---------- */
.ss-side{background:linear-gradient(180deg,#1E1B4B 0%,#1E1B4B 70%,#18313A 100%);}
.ss-side .ss-tab.on{background:rgba(255,255,255,.12);box-shadow:inset 3px 0 0 #D97706;}
.ss-top-logo{display:none;width:40px;height:28px;object-fit:contain;background:#fff;border-radius:8px;padding:2px;box-shadow:0 1px 4px rgba(30,27,75,.15);flex-shrink:0;}
@media (max-width:899px){.ss-top-logo{display:block;}}
.ss-hero::before{background:linear-gradient(90deg,#E23E86,#7B4FD6,#2D6FE0,#065F46,#D97706);}
.ss-hero-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px;padding-top:10px;border-top:1.5px dashed #ECE6F8;font-size:12px;font-weight:800;color:#1E1B4B;letter-spacing:.2px;}
.ss-hero-brand img{height:18px;width:auto;}
.ss-next-go{background:#065F46;box-shadow:0 4px 0 #033D2D;}
.ss-cel-brand{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:12px;font-weight:800;color:var(--ss-muted);}
.ss-cel-brand img{height:15px;}
.ss-rep-foot{margin-top:14px;padding-top:8px;border-top:1px solid var(--ss-line);text-align:center;font-size:12px;font-weight:700;color:var(--ss-muted);}
.ss-about{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--ss-line);border-radius:18px;padding:14px 16px;}
.ss-about img{width:66px;height:40px;object-fit:contain;flex-shrink:0;}
.ss-about b{display:block;font-family:'Baloo 2',sans-serif;font-size:17px;color:#1E1B4B;}
.ss-about span{display:block;font-size:12.5px;color:var(--ss-muted);font-weight:600;line-height:1.5;}
.ss-about a{color:#065F46;font-weight:800;}
.ss-brandsec{min-height:auto!important;padding-bottom:60px;}
.ss-brandcard{text-align:center;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:28px;padding:22px 20px;box-shadow:0 18px 40px rgba(10,20,15,.3);border:3px solid rgba(255,255,255,.95);}
.ss-brandcard img{height:52px;margin-bottom:6px;}
.ss-bc-t{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:22px;color:#1E1B4B;line-height:1.1;}
.ss-bc-s{font-size:13.5px;font-weight:700;color:#065F46;margin-top:2px;}
.ss-bc-f{font-size:12.5px;font-weight:600;color:var(--ss-muted);margin-top:8px;}
.ss-bc-trust{font-size:12px;font-weight:700;color:var(--ss-muted);margin-top:10px;padding-top:10px;border-top:1.5px dashed #E6E0F2;line-height:1.6;}
.ss-bc-trust a{color:#D97706;}
.ss-splash{position:absolute;inset:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:radial-gradient(ellipse at 50% 35%,#2C2870 0%,#1E1B4B 55%,#0F2E2A 100%);color:#fff;transition:opacity .55s ease,transform .55s ease;}
.ss-splash.out{opacity:0;transform:scale(1.04);pointer-events:none;}
.ss-sp-logo{display:flex;align-items:center;justify-content:center;animation:ssPopIn .6s cubic-bezier(.2,1.4,.4,1) both;margin-bottom:6px;}
.ss-sp-logo img{width:170px;max-width:60vw;height:auto;filter:drop-shadow(0 10px 24px rgba(0,0,0,.4));}
.ss-sp-o{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:22px;line-height:1.1;letter-spacing:.4px;margin-bottom:18px;animation:ssPopIn .6s .1s both;}
.ss-sp-t{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:32px;line-height:1;animation:ssPopIn .6s .15s both;}
.ss-sp-s{font-size:14px;font-weight:700;color:#F59E0B;letter-spacing:.3px;animation:ssPopIn .6s .25s both;}
.ss-sp-f{position:absolute;bottom:calc(28px + env(safe-area-inset-bottom,0px));font-size:13px;font-weight:700;letter-spacing:.3px;opacity:.9;}
.ss-top{position:relative;z-index:3;}

/* ---------- bigger, clearer stop pictures; letter tag sits below ---------- */
.ss-orb-ball{width:78px;height:78px;}
.ss-orb.big .ss-orb-ball,.ss-orb.next .ss-orb-ball{width:88px;height:88px;}
.ss-orb-img{width:90%;height:90%;object-fit:contain;filter:drop-shadow(0 2px 3px rgba(0,0,0,.18));}
.ss-orb-emo{font-size:40px;}
.ss-orb.next .ss-orb-emo,.ss-orb.big .ss-orb-emo{font-size:46px;}
.ss-orb-tag{top:calc(100% - 8px);bottom:auto;font-size:20px;padding:3px 11px 1px;}
.ss-orb.next .ss-orb-tag{font-size:22px;}
.ss-orb-n{margin-top:30px;}
@media (max-width:480px){
  .ss-orb-ball{width:62px;height:62px;}
  .ss-orb.big .ss-orb-ball,.ss-orb.next .ss-orb-ball{width:70px;height:70px;}
  .ss-orb-emo{font-size:32px;}
  .ss-orb.next .ss-orb-emo,.ss-orb.big .ss-orb-emo{font-size:36px;}
  .ss-orb-tag{font-size:17px;padding:2px 8px 1px;}
  .ss-orb.next .ss-orb-tag{font-size:19px;}
  .ss-orb-n{margin-top:26px;}
}

/* ---------- never wider than the phone ---------- */
.ss-app{grid-template-columns:minmax(0,1fr);}
@media (min-width:900px){ .ss-app{grid-template-columns:230px minmax(0,1fr);} }
.ss-main,.ss-body,.ss-sec,.ss-sec > *{min-width:0;}
.ss-body{overflow-x:hidden;}
.ss-sec{padding-left:12px;padding-right:12px;}
.ss-top{gap:8px;padding-left:12px;padding-right:12px;}
.ss-top-id{min-width:0;}
.ss-top-rank{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media (max-width:420px){
  .ss-pill{padding:5px 8px;font-size:12.5px;}
  .ss-top-logo{width:34px;height:24px;}
  .ss-top-av{width:38px;height:38px;}
  .ss-stats{gap:6px;}
  .ss-stat b{font-size:19px;}
  .ss-stat span{font-size:12px;}
}
.ss-bn{min-height:0;width:100%;}
/* stop sizes come from the trail width (set per trail in JS) */
.ss-trail .ss-orb-ball{width:var(--orb,70px);height:var(--orb,70px);}
.ss-trail .ss-orb.big .ss-orb-ball,.ss-trail .ss-orb.next .ss-orb-ball{width:var(--orbBig,80px);height:var(--orbBig,80px);}
.ss-trail .ss-orb-emo{font-size:var(--emo,36px);}
.ss-trail .ss-orb.next .ss-orb-emo,.ss-trail .ss-orb.big .ss-orb-emo{font-size:calc(var(--emo,36px) * 1.12);}
.ss-trail .ss-orb-tag{font-size:var(--tag,18px);padding:2px 9px 1px;}
.ss-trail .ss-orb.next .ss-orb-tag{font-size:calc(var(--tag,18px) + 2px);}
.ss-trail .ss-orb-n{margin-top:calc(var(--tag,18px) + 10px);}
.ss-trail .ss-orb-pin{top:-38px;}

/* ---------- sign-in gate & student picker ---------- */
#gateScreen{background:radial-gradient(ellipse at 50% 20%,#2C2870 0%,#1E1B4B 50%,#0F2E2A 100%);}
.ss-gate{flex:1;overflow-y:auto;display:flex;align-items:center;justify-content:center;padding:24px 16px calc(24px + env(safe-area-inset-bottom,0px));}
.ss-gate-card{width:100%;max-width:440px;background:#fff;border-radius:28px;padding:26px 22px 18px;box-shadow:0 24px 60px rgba(0,0,0,.4);text-align:center;display:flex;flex-direction:column;gap:10px;}
.ss-gate-card::before{content:"";display:block;height:5px;margin:-26px -22px 14px;border-radius:28px 28px 0 0;background:linear-gradient(90deg,#E23E86,#7B4FD6,#2D6FE0,#065F46,#D97706);}
.ss-gate-logo{height:56px;width:auto;margin:0 auto;}
.ss-gate-o{font-family:'Baloo 2',sans-serif;font-weight:700;font-size:20px;color:#1E1B4B;line-height:1;margin-top:2px;}
.ss-gate-i{font-size:12.5px;font-weight:800;color:#065F46;margin-top:-4px;margin-bottom:6px;}
.ss-gate-t{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:28px;color:#1E1B4B;line-height:1;}
.ss-gate-s{font-size:13px;font-weight:800;color:#D97706;margin-bottom:6px;}
.ss-gate-msg{background:#FFF4E0;border:1.5px solid #F3D18B;color:#7A4B00;border-radius:14px;padding:12px 14px;font-size:13.5px;font-weight:700;line-height:1.5;text-align:left;}
.ss-gate-msg.info{background:#EEF2FF;border-color:#C7D2FE;color:#3730A3;text-align:center;}
.ss-gate-note{font-size:12px;color:var(--ss-muted);font-weight:600;line-height:1.5;margin:4px 0 0;}
.ss-gate-foot{font-size:12px;color:var(--ss-muted);font-weight:700;margin-top:10px;padding-top:10px;border-top:1.5px dashed #ECE6F8;}
.ss-gate-spin{width:38px;height:38px;border-radius:50%;border:4px solid #EDE9F8;border-top-color:#D97706;margin:14px auto;animation:ssSpin .9s linear infinite;}
.ss-gate-who{font-size:12px;font-weight:800;color:#065F46;}
.ss-gate-h{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:20px;color:#1E1B4B;}
.ss-pick-list{display:flex;flex-direction:column;gap:8px;max-height:46vh;overflow-y:auto;text-align:left;padding:2px;}
.ss-pick{display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid var(--ss-line);border-radius:16px;padding:10px 12px;width:100%;text-align:left;}
.ss-pick:active{background:#F8F6FC;}
.ss-pick-av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#E23E86,#2D6FE0);color:#fff;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ss-pick-bd{flex:1;min-width:0;}
.ss-pick-bd b{display:block;font-size:14.5px;color:#1E1B4B;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ss-pick-bd small{font-size:12px;color:var(--ss-muted);font-weight:600;}
.ss-pick-pr{width:64px;flex-shrink:0;text-align:right;}
.ss-pick-pr i{display:block;height:6px;border-radius:99px;background:#EFEAF8;overflow:hidden;position:relative;}
.ss-pick-pr i b{display:block;height:100%;background:#065F46;border-radius:99px;}
.ss-pick-pr small{font-size:12px;font-weight:800;color:var(--ss-muted);}
.ss-rolechip{font-size:12px;font-weight:800;padding:4px 10px;border-radius:99px;background:#EEF2FF;color:#3730A3;}
.ss-rolechip.admin{background:#1E1B4B;color:#fff;}
.ss-rolechip.teacher{background:#D1FAE5;color:#065F46;}
.ss-rolechip.student{background:#FFF4E0;color:#8A5200;}

/* ============= LIVE CLASS EMBED (teacher + student viewer) ============= */
body.ss-embed{padding:0;background:var(--page);}
body.ss-embed .book{max-width:none;height:100vh;height:100dvh;border-radius:0;box-shadow:none;border:0;}
body.ss-embed .stage,body.ss-embed .ss-play{width:100%;max-width:1100px;margin-left:auto;margin-right:auto;}
body.edx-viewer .book > .screen,body.edx-viewer .book > .ss-overlay,body.edx-viewer .book > .ss-toast,body.edx-viewer .book > #ssCeleb{display:none!important;}
#edxMirror{position:absolute;inset:0;display:flex;flex-direction:column;pointer-events:none;user-select:none;-webkit-user-select:none;}
#edxMirror > [data-slot="screen"]{flex:1;min-height:0;display:flex;flex-direction:column;}
#edxMirror > [data-slot="screen"] > .screen{display:flex;flex:1;min-height:0;}
#edxMirror > [data-slot]:not([data-slot="screen"]){display:contents;}
/* teacher-only content never reaches the student view */
#edxMirror #lessonRole,#edxMirror .s-teacher-script,#edxMirror .ss-judge,#edxMirror .ss-remarks{display:none!important;}
body.ss-embed #lessonBack,body.ss-embed #rdBack{visibility:hidden;}
/* teacher's frame: ← is a real "previous step" button, and text is bigger on a phone */
body.edx-teacher #lessonBack{visibility:visible;width:44px;height:44px;font-size:20px;}
/* Teacher on a wide screen / zoomed-out browser: the lesson column is capped at ~1100px, so it
   renders tiny. Scale it up; the body class is not part of the student mirror. */
@media (min-width:1300px){ body.edx-teacher .stage{zoom:1.35;} body.edx-teacher .topbar{zoom:1.25;} }
@media (min-width:1800px){ body.edx-teacher .stage{zoom:1.7;} body.edx-teacher .topbar{zoom:1.5;} }
@media (min-width:2300px){ body.edx-teacher .stage{zoom:2;} body.edx-teacher .topbar{zoom:1.7;} }
@media (max-width:700px){
  body.edx-teacher .topbar{padding:10px 12px;}
  body.edx-teacher .tb-title{font-size:18px;}
  body.edx-teacher .step-title{font-size:clamp(26px,7vw,32px);}
  body.edx-teacher .step-sub{font-size:16px;line-height:1.5;}
  body.edx-teacher .stage{font-size:17px;}
  body.edx-teacher .s-teacher-script{font-size:15px;line-height:1.5;}
  body.edx-teacher .btn{font-size:16px;min-height:52px;}
}
.edx-wait{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px 24px;text-align:center;}
.edx-wait img{width:84px;height:84px;object-fit:contain;border-radius:20px;background:#fff;padding:10px;box-shadow:0 10px 26px rgba(30,27,75,.14);}
.edx-wait b{font-family:'Baloo 2',sans-serif;font-size:22px;color:var(--cover);}
.edx-wait span{font-size:13.5px;font-weight:600;color:var(--ink-soft);max-width:30ch;}
#edxBar{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:300;display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--page-line);border-radius:999px;padding:5px 5px 5px 12px;box-shadow:0 8px 22px rgba(30,27,75,.16);font-size:12px;font-weight:700;color:var(--ink);max-width:calc(100% - 20px);}
#edxBar.nobtn{padding-right:12px;}
#edxBar .edx-dot{width:9px;height:9px;border-radius:50%;background:#C9C3DD;flex:none;}
#edxBar.live .edx-dot{background:var(--green);box-shadow:0 0 0 3px var(--green-soft);}
#edxBar .ss-btn{padding:8px 13px;font-size:12.5px;white-space:nowrap;}
#edxBar button:focus-visible{outline:3px solid var(--sky);outline-offset:2px;}

/* ============= Blend & break it (sound buttons) ============= */
.sb-card{background:#fff;border:2px solid var(--page-line);border-radius:22px;padding:18px 12px 14px;text-align:center;box-shadow:0 8px 22px rgba(30,27,75,.08);}
.sb-word{position:relative;display:flex;justify-content:center;align-items:flex-end;gap:26px;min-height:112px;transition:gap .55s cubic-bezier(.2,.8,.2,1);flex-wrap:nowrap;}
.sb-word.blended{gap:2px;}
.sb-tile{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:default;transition:transform .2s;}
.sb-g{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:clamp(46px,13vw,76px);line-height:1;color:var(--ink);min-width:.6em;}
.sb-word.seg .sb-tile{cursor:pointer;}
.sb-word.seg .sb-g{border:3px dashed #C9C3DD;border-radius:14px;padding:4px 10px;min-width:1.1em;}
.sb-word.seg .sb-tile.on .sb-g{border-style:solid;border-color:var(--green);}
.sb-tile.on{transform:translateY(-6px);}
.sb-tile.on .sb-g{color:#E0940F;}
.sb-tile.split .sb-g{color:#7B4FD8;}
.sb-tile.silent .sb-g{opacity:.55;}
.sb-mark{height:10px;display:block;}
.sb-mark.dot{width:12px;height:12px;border-radius:50%;background:var(--ink);}
.sb-mark.dash{width:36px;height:6px;border-radius:4px;background:var(--ink);margin-top:3px;}
.sb-word.blended .sb-mark{opacity:0;transition:opacity .3s;}
.sb-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:8px;}
.sb-blend{background:#E0940F!important;}
.sb-pointer{position:absolute;bottom:-14px;left:0;transform:translateX(-50%);font-size:22px;line-height:1;color:#E0940F;opacity:0;pointer-events:none;transition:left .35s cubic-bezier(.2,.8,.2,1),opacity .2s;}
.sb-word.blended .sb-pointer{opacity:0!important;}
.sb-speed{display:flex;justify-content:center;gap:6px;margin-top:10px;}
.sb-speed-btn{min-height:44px;padding:0 14px;border:2px solid var(--page-line);border-radius:999px;background:#fff;font-weight:800;font-size:13px;color:var(--ink-soft);cursor:pointer;}
.sb-speed-btn.on{border-color:#E0940F;color:#E0940F;background:#FFF7DC;}
#edxMirror .sb-speed{display:none;}
.sb-said{min-height:20px;margin-top:8px;font-size:13px;font-weight:700;color:var(--ink-soft);}