:root{--primary: #2fb7b1;--primary-soft: rgba(47, 183, 177, .12);--bg0: #f6f8f8;--bg1: #eef2f2;--surface: #ffffff;--text: #1f2937;--muted: #6b7280;--border-soft: rgba(0, 0, 0, .08);--border: rgba(0, 0, 0, .12);--shadow-soft: 0 1px 2px rgba(0, 0, 0, .04), 0 6px 18px rgba(0, 0, 0, .05);--shadow-hover: 0 2px 6px rgba(0, 0, 0, .06), 0 10px 24px rgba(0, 0, 0, .06);--appbar: #4f63b5}html,body{min-height:100%}body{margin:0;color:var(--text);background:linear-gradient(180deg,var(--bg0),var(--bg1));font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.appbar{width:100%;background:var(--appbar);color:#fff;box-shadow:0 2px 6px #00000026;position:sticky;top:0;z-index:1000}.appbarInner{max-width:980px;margin:0 auto;padding:16px 24px;min-height:64px;display:flex;flex-direction:column;justify-content:center}.appbar h1{font-size:18px;margin:0;font-weight:600;letter-spacing:.02em}.appbar .sub{color:#ffffffd9;font-size:13px;margin:4px 0 0;letter-spacing:.02em}.wrap{max-width:980px;margin:0 auto;padding:24px}.board{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.col h3{font-size:14px;color:var(--muted)}.card{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;padding:14px;margin-bottom:12px;border-radius:14px;background:var(--surface);border:1px solid var(--border-soft);box-shadow:var(--shadow-soft);cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease,outline-color .15s ease}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.card.selected{border-color:var(--primary);background:var(--surface);outline:2px solid rgba(47,183,177,.18)}.card.matched{background:var(--primary-soft);border:1px solid var(--primary);outline:none;box-shadow:0 4px 14px #2fb7b12e}.card.wrong{background:#ff00000f;border:2px solid rgba(255,0,0,.25);outline:none}.card.selected.matched{background:var(--primary-soft);border:1px solid var(--primary);outline:none}.card.selected.wrong{background:#ff00000f;border:2px solid rgba(255,0,0,.25);outline:none}.cardText{font-size:15px;letter-spacing:.02em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#333}.audio{width:34px;height:34px;border-radius:10px;border:1px solid var(--border-soft);background:#fff;cursor:pointer}.audio:hover{background:#f4f6f6}.actions{margin-top:28px;display:flex;justify-content:center}.actions .btn{min-width:240px;padding:15px 26px;border-radius:14px;border:1px solid var(--border-soft);background:var(--surface);color:var(--text);font-weight:600;letter-spacing:.05em;box-shadow:var(--shadow-soft);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,opacity .12s ease}.actions .btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover);border-color:#0000002e}.actions .btn:active{transform:scale(.98);box-shadow:var(--shadow-soft)}.actions .btn:disabled{background:#e0e2e5;color:#9ca3af;border-color:#00000014;box-shadow:none;cursor:not-allowed;opacity:.8}@media(max-width:720px){body{overflow-x:hidden}.wrap{max-width:420px;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px}.appbarInner{padding:14px 16px 12px;min-height:0}.appbar h1{font-size:20px;font-weight:700;line-height:1.15;letter-spacing:.01em;margin:0}.appbar .sub{font-size:13px;line-height:1.3;margin-top:6px;opacity:.92;max-width:34ch}.board{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;margin-top:14px}.col h3{font-size:14px;font-weight:700;color:var(--muted);margin:6px 0 10px;letter-spacing:.02em}.card{min-height:56px;height:56px;padding:14px;margin-bottom:10px;border-radius:14px;align-items:center;gap:8px;justify-content:center}.card:hover{transform:none;box-shadow:var(--shadow-soft)}.cardText{font-size:15px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;white-space:normal}.card.selected{background:var(--surface);border-color:var(--primary);outline:2px solid rgba(47,183,177,.18)}.card.matched{box-shadow:0 3px 12px #2fb7b129;outline:none}.card.wrong{border-width:2px;outline:none}.audio{display:none}.actions{position:sticky;bottom:10px;z-index:20;margin-top:14px;max-width:420px;margin-left:auto;margin-right:auto;padding:10px 0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.actions .btn{width:100%;max-width:none;padding:16px 18px;border-radius:14px;font-size:16px;font-weight:700}.actions{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}