: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}.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}.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}.coach-card{background:linear-gradient(180deg,#eefbff,#fff);border:3px solid #d7f0f7;border-radius:24px;padding:14px;margin-bottom:14px;box-shadow:var(--shadow)}.coach-row{display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:start}.coach-mascot{width:88px;height:88px;border-radius:50%;position:relative;background:linear-gradient(160deg,#3ec7a0,#1f9bb8);box-shadow:0 8px #0d6e8433;flex-shrink:0}.coach-face:before,.coach-face:after{content:"";position:absolute;width:12px;height:12px;background:#fff;border-radius:50%;top:30px;box-shadow:inset 0 0 0 4px #1a2f38}.coach-face:before{left:24px}.coach-face:after{right:24px}.coach-mouth{position:absolute;width:22px;height:10px;border-radius:0 0 14px 14px;background:#ff8a70;left:50%;bottom:22px;transform:translate(-50%)}.coach-mascot.talking .coach-mouth{animation:talk .28s ease-in-out infinite alternate}.coach-mascot.talking{animation:bob .55s ease-in-out infinite}@keyframes talk{0%{height:8px;width:18px}to{height:16px;width:24px;border-radius:12px}}@keyframes bob{0%{transform:translateY(0)}to{transform:translateY(-4px)}}.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:1.45;color:var(--ink);min-height:3.2em}.coach-actions{justify-content:flex-start;margin:0}.coach-actions .btn{padding:10px 14px;font-size:.88rem}@media(max-width:420px){.coach-row{grid-template-columns:72px 1fr}.coach-mascot{width:72px;height:72px}}