:root{--ink: #1a2f38;--sea: #1f9bb8;--sea-deep: #0d6e84;--sand: #fff6e8;--coral: #ff6b4a;--leaf: #3cb371;--muted: #5a7480;--cloud: #ffffff;--shadow: 0 12px 32px rgba(13, 70, 90, .16);font-family:Fredoka,Nunito,system-ui,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:radial-gradient(ellipse 80% 50% at 10% 0%,#b8f0ff 0%,transparent 55%),radial-gradient(ellipse 70% 45% at 90% 10%,#ffe0a8 0%,transparent 50%),linear-gradient(180deg,#e8f8fc,#d4f0e8 45%,#fff6e8)}#app{max-width:520px;margin:0 auto;padding:16px 14px 40px;min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.users-bar{display:flex;align-items:center;gap:8px;margin-bottom:10px}.user-chips{display:flex;flex-wrap:wrap;gap:6px;flex:1}.user-chip{border:2px solid #ccecf4;background:#fff;border-radius:999px;padding:6px 10px;font:inherit;font-weight:800;font-size:.8rem;cursor:pointer;color:var(--ink)}.user-chip small{display:block;font-size:.68rem;color:var(--muted);font-weight:700}.user-chip.active{border-color:var(--sea);background:#e8f8fc;box-shadow:0 0 0 2px #b8e6f2}.btn-settings{border:none;background:#fff6e8;border-radius:12px;width:40px;height:40px;font-size:1.1rem;cursor:pointer;flex-shrink:0}.settings-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0d283273;z-index:80;display:grid;place-items:end center;padding:12px}.settings-sheet{width:min(520px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:22px 22px 16px 16px;padding:16px;box-shadow:var(--shadow)}.settings-sheet header{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}.settings-sheet h2{margin:0;font-size:1.15rem}.settings-sheet h3{margin:16px 0 8px;font-size:1rem;color:var(--sea-deep)}.settings-sheet h4{margin:12px 0 6px;font-size:.88rem}.settings-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:.85rem;font-weight:700}.settings-row input{width:110px;padding:8px 10px;border-radius:10px;border:2px solid #e2f1f6;font:inherit}.settings-sheet footer{margin-top:14px}.brand{display:flex;gap:10px;align-items:center}.logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--sea),var(--sea-deep));color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:0 6px 14px #1f9bb859}.brand h1{margin:0;font-size:1.15rem}.brand span{display:block;font-size:.72rem;color:var(--muted)}.card{background:var(--cloud);border-radius:28px;box-shadow:var(--shadow);padding:20px 18px;margin-bottom:14px}.letter-pair{display:flex;justify-content:center;gap:28px;direction:ltr;margin:8px 0 4px}.glyph{text-align:center}.glyph .big{font-size:5rem;font-weight:700;line-height:1;color:var(--sea-deep);text-shadow:4px 4px 0 #c8eef7}.glyph .cap{font-size:.8rem;color:var(--muted);font-weight:700}.nikud-box{background:var(--sand);border-radius:18px;padding:12px 14px;margin:12px 0;text-align:center}.nikud-box .name{font-size:2rem;font-weight:700;margin:0}.nikud-box .sound{font-size:1.35rem;margin:6px 0 0;color:var(--sea-deep);font-weight:700}.nikud-box .hint{margin:8px 0 0;color:var(--muted);font-size:.92rem}.btn-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:12px 0}button,.btn{font:inherit;font-weight:700;border:none;cursor:pointer;border-radius:999px;padding:12px 18px}.btn-primary{background:linear-gradient(135deg,var(--coral),#ff8a4c);color:#fff;box-shadow:0 8px #c94a30}.btn-primary:active{transform:translateY(4px);box-shadow:0 4px #c94a30}.btn-sea{background:linear-gradient(135deg,var(--sea),#35b8d4);color:#fff;box-shadow:0 8px 0 var(--sea-deep)}.btn-sea:active{transform:translateY(4px);box-shadow:0 4px 0 var(--sea-deep)}.btn-ghost{background:#fff;color:var(--sea-deep);border:3px solid #ccecf4;box-shadow:0 5px #b7e0ea}.btn-soft{background:#eaf9ff;color:var(--sea-deep);border:2px solid #c5e8f2}.example{text-align:center;font-size:1.15rem;font-weight:700;margin:8px 0 0;direction:ltr}.example small{display:block;direction:rtl;color:var(--muted);font-size:.85rem;margin-top:4px}.section-title{margin:0 0 8px;font-size:1.05rem}.hint-line{margin:0 0 10px;color:var(--muted);font-size:.9rem}.write-wrap{border-radius:18px;overflow:hidden;border:3px solid #d7eef5;background:#fffdf8;height:220px}.write-wrap canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.nav-home{display:grid;gap:10px}.nav-home a,.nav-home button{text-decoration:none;display:block;width:100%;text-align:right;background:var(--sand);border-radius:18px;padding:14px 16px;border:3px solid transparent;color:inherit}.nav-home a:hover,.nav-home button:hover{border-color:var(--sea)}.nav-home .sub{display:block;color:var(--muted);font-size:.8rem;margin-top:2px;font-weight:600}.locked{opacity:.5;pointer-events:none}.letter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.letter-chip{text-decoration:none;text-align:center;background:var(--sand);border-radius:14px;padding:10px 6px;border:2px solid transparent;color:inherit;font-weight:800;font-size:.95rem;direction:ltr}a.letter-chip:hover{border-color:var(--sea)}.letter-chip.done{background:#e5f9ec;border-color:#8fd9a8}.letter-chip .sub{display:block;direction:rtl;font-size:.65rem;font-weight:600;color:var(--muted);margin-top:2px}@media(max-width:420px){.letter-grid{grid-template-columns:repeat(3,1fr)}}.game-hud{font-weight:800;color:var(--sea-deep);margin-bottom:8px;font-size:.9rem}.game-prompt{text-align:center;margin:8px 0 14px}.game-glyph{font-size:4.2rem;font-weight:800;color:var(--sea-deep);line-height:1;text-shadow:4px 4px 0 #c8eef7}.game-glyph span{display:inline-block;margin-inline-start:12px;font-size:3.2rem;color:var(--coral)}.game-options{display:grid;gap:8px}.game-opt{display:grid;gap:2px;text-align:right;padding:12px 14px;border-radius:16px;border:3px solid #e2f1f6;background:#fff;font:inherit;cursor:pointer}.game-opt strong{direction:ltr;font-size:1.15rem}.game-opt span{color:var(--muted);font-size:.85rem;font-weight:700}.game-opt.correct{border-color:var(--leaf);background:#e5f9ec}.game-opt.wrong{border-color:var(--coral);background:#ffe8e2}.game-result{text-align:center;padding:12px 0}.game-score{font-size:2rem;font-weight:800;color:var(--sea-deep);margin-bottom:8px}.memory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mem-card{aspect-ratio:1;border-radius:16px;border:3px solid #ccecf4;background:linear-gradient(160deg,var(--sea),var(--sea-deep));color:#fff;font:inherit;cursor:pointer;position:relative;padding:0;overflow:hidden}.mem-card .mem-back,.mem-card .mem-front{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;gap:2px}.mem-card .mem-front{opacity:0;background:#fff;color:var(--ink)}.mem-card .mem-front strong{font-size:1.4rem;direction:ltr}.mem-card .mem-front.he strong{direction:rtl;font-size:1.15rem}.mem-card .mem-front small{color:var(--muted);font-weight:700}.mem-card .mem-back{font-size:1.6rem;font-weight:800}.mem-card.flipped .mem-back{opacity:0}.mem-card.flipped .mem-front{opacity:1}.mem-card.matched{border-color:var(--leaf);box-shadow:0 0 0 2px #8fd9a8}@media(max-width:420px){.memory-grid{grid-template-columns:repeat(3,1fr)}}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(12px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-weight:700;opacity:0;transition:.25s;z-index:50}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.badge{display:inline-block;background:#e5f9ec;color:#1f7a45;border-radius:999px;padding:4px 10px;font-size:.75rem;font-weight:800}.site-credit{margin:0 0 10px;text-align:center;font-size:.8rem;font-weight:700;color:var(--sea-deep);letter-spacing:.02em}.coach-card{background:linear-gradient(180deg,#fff8e6,#fff);border:3px solid #ffe2a0;border-radius:24px;padding:14px;margin-bottom:14px;box-shadow:var(--shadow);overflow:visible;position:relative;z-index:2}.coach-row{display:grid;grid-template-columns:200px 1fr;gap:8px;align-items:center;overflow:visible}.coach-stage{position:relative;z-index:3;margin:-8px 0;pointer-events:none}.coach-avatar-wrap.trophy-3d{width:200px;height:280px;border-radius:0;position:relative;overflow:visible;flex-shrink:0;background:transparent;box-shadow:none;filter:drop-shadow(0 10px 14px rgba(26,47,56,.2));pointer-events:none;transition:filter .3s ease}.coach-trophy{width:100%;height:100%;display:block;touch-action:none}.coach-avatar-wrap.trophy-3d.talking{filter:drop-shadow(0 14px 22px rgba(255,200,87,.5))}.coach-win-badge{position:absolute;top:4px;left:4px;z-index:2;background:#ffc857;color:#1a2f38;font-size:.62rem;font-weight:800;padding:3px 7px;border-radius:999px;letter-spacing:.04em;box-shadow:0 2px #e6a700}.speech-rate{display:grid;gap:4px;margin:0 0 10px;font-size:.78rem;font-weight:700;color:var(--sea-deep);direction:rtl}.speech-rate-label b{color:var(--coral)}.speech-rate input[type=range]{width:100%;accent-color:var(--sea);cursor:pointer;direction:ltr}.speech-rate-ends{display:flex;justify-content:space-between;font-size:.68rem;font-weight:600;color:var(--muted);direction:ltr}@media(max-width:420px){.coach-row{grid-template-columns:160px 1fr}.coach-avatar-wrap.trophy-3d{width:160px;height:230px}}.coach-name{font-size:.72rem;font-weight:800;color:var(--sea-deep);margin-bottom:2px}.coach-title{margin:0 0 6px;font-size:.95rem;font-weight:700}.coach-bubble{margin:0 0 10px;background:#fff;border:2px solid #e2f1f6;border-radius:14px;padding:10px 12px;font-size:.9rem;line-height:1.55;color:var(--ink);min-height:3.2em}.coach-bubble.karaoke .kw{display:inline;padding:0 1px;border-radius:4px;transition:background .12s ease,color .12s ease,box-shadow .12s ease}.coach-bubble.karaoke .kw.done{color:#3a5560}.coach-bubble.karaoke .kw.active{background:#ffe566;color:#1a2f38;font-weight:800;box-shadow:0 0 0 2px #ffd84a}.coach-actions{justify-content:flex-start;margin:0}.coach-actions .btn{padding:10px 14px;font-size:.88rem}