*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0f1220;--bg-card: #1a1f35;--bg-card-2: #222949;--text: #eef0fa;--text-dim: #9aa3c7;--accent: #7c5cff;--accent-2: #00d4a6;--warn: #ffb84d;--error: #ff5c7a;--radius: 16px}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100dvh}#app{max-width:520px;margin:0 auto;padding:16px 16px calc(24px + env(safe-area-inset-bottom));min-height:100dvh;display:flex;flex-direction:column}button{font:inherit;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}input,select{font:inherit}h1{font-size:1.5rem}.app-header{display:flex;align-items:center;gap:10px;padding:8px 0 18px}.app-header .back{background:var(--bg-card);color:var(--text);border-radius:12px;width:40px;height:40px;font-size:1.2rem;flex-shrink:0}.app-header .title{font-size:1.15rem;font-weight:700;line-height:1.2}.app-header .subtitle{color:var(--text-dim);font-size:.85rem}.card{background:var(--bg-card);border-radius:var(--radius);padding:18px;margin-bottom:14px}.btn{display:block;width:100%;padding:15px;border-radius:var(--radius);font-weight:700;font-size:1.05rem;background:linear-gradient(135deg,var(--accent),#5a3ee8);color:#fff;transition:transform .1s,opacity .2s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:var(--bg-card-2);color:var(--text)}.btn.success{background:linear-gradient(135deg,var(--accent-2),#00a880)}.type-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.type-chip{background:var(--bg-card);color:var(--text-dim);border:2px solid transparent;border-radius:14px;padding:10px 4px;text-align:center;font-size:.8rem;display:flex;flex-direction:column;gap:4px}.type-chip .emoji{font-size:1.5rem}.type-chip.active{border-color:var(--accent);color:var(--text);background:var(--bg-card-2)}.field{margin-bottom:14px}.field label{display:block;color:var(--text-dim);font-size:.85rem;margin-bottom:6px}.field input{width:100%;background:var(--bg-card);border:2px solid transparent;border-radius:14px;padding:14px;color:var(--text);outline:none}.field input:focus{border-color:var(--accent)}.history-item{display:flex;align-items:center;gap:12px;background:var(--bg-card);border-radius:var(--radius);padding:14px;margin-bottom:10px;width:100%;text-align:left;color:var(--text)}.history-item .emoji{font-size:1.6rem}.history-item .info{flex:1;min-width:0}.history-item .name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item .meta{color:var(--text-dim);font-size:.8rem}.history-item .score{color:var(--accent-2);font-weight:700;font-size:.9rem}.section-title{color:var(--text-dim);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin:18px 0 10px}.streak-badge{margin-left:auto;background:var(--bg-card);border-radius:999px;padding:8px 14px;font-weight:800;color:var(--warn);white-space:nowrap}.review-card{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:linear-gradient(135deg,#7c5cff40,#00d4a626);border:1px solid var(--accent);border-radius:var(--radius);padding:14px;margin-bottom:16px;color:var(--text)}.review-card .emoji{font-size:1.6rem}.review-card .info{flex:1}.review-card .name{font-weight:700}.review-card .meta{color:var(--text-dim);font-size:.82rem}.suggest-wrap{position:relative}.suggest-list{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--bg-card-2);border-radius:14px;overflow:hidden;z-index:20;box-shadow:0 10px 30px #00000080}.suggest-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;color:var(--text);padding:8px 10px}.suggest-item:active{background:var(--bg-card)}.suggest-item img{width:34px;height:48px;object-fit:cover;border-radius:6px;background:var(--bg);flex-shrink:0}.suggest-item .no-img{width:34px;height:48px;border-radius:6px;background:var(--bg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.suggest-item .s-title{font-weight:600;font-size:.92rem}.suggest-item .s-detail{color:var(--text-dim);font-size:.78rem}.popular-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:8px;scrollbar-width:none}.popular-row::-webkit-scrollbar{display:none}.popular-chip{background:var(--bg-card);color:var(--text-dim);border-radius:999px;padding:8px 14px;font-size:.85rem;white-space:nowrap;flex-shrink:0}.header-actions{margin-left:auto;display:flex;gap:8px}.icon-btn{background:var(--bg-card);color:var(--text);border-radius:12px;width:40px;height:40px;font-size:1.1rem;flex-shrink:0}.icon-btn.active{background:var(--accent)}.known-btn{background:none;border:1px dashed var(--text-dim);color:var(--text-dim);border-radius:999px;padding:6px 14px;font-size:.82rem;margin-top:10px;align-self:flex-start}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-card-2);color:var(--text);padding:10px 18px;border-radius:999px;font-size:.9rem;z-index:50;box-shadow:0 6px 20px #00000080;animation:toast-in .25s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.sheet-row{display:flex;align-items:baseline;gap:8px;width:100%;text-align:left;background:none;color:var(--text);padding:9px 4px;border-bottom:1px solid var(--bg-card);font-size:.95rem}.sheet-row .w{font-weight:700;flex-shrink:0}.sheet-row .m{color:var(--text-dim);font-size:.88rem}.sheet-row.known-word .w{text-decoration:line-through;opacity:.5}.loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:40px 20px}.loading .pill-spin{font-size:3.5rem;animation:bounce 1s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0) rotate(-10deg)}50%{transform:translateY(-14px) rotate(10deg)}}.loading .msg{color:var(--text-dim);min-height:1.4em}.progress-bar{height:6px;background:var(--bg-card);border-radius:3px;overflow:hidden;margin-bottom:16px}.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:3px;transition:width .3s}.study-card{background:var(--bg-card);border-radius:20px;padding:24px 20px;flex:1;display:flex;flex-direction:column;margin-bottom:14px;animation:slide-in .25s ease}@keyframes slide-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}.study-card .kind{color:var(--accent-2);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;margin-bottom:14px}.study-card .word{font-size:2rem;font-weight:800;line-height:1.15}.study-card .ipa{color:var(--text-dim);margin:4px 0 2px}.study-card .pos{display:inline-block;background:var(--bg-card-2);color:var(--text-dim);font-size:.75rem;padding:3px 10px;border-radius:999px;margin:8px 0}.study-card .meaning{font-size:1.25rem;color:var(--accent-2);font-weight:600;margin:10px 0 16px}.study-card .example{background:var(--bg-card-2);border-radius:14px;padding:14px;margin-top:auto}.study-card .example .en{font-style:italic;margin-bottom:6px}.study-card .example .es{color:var(--text-dim);font-size:.9rem}.study-card .intro-text{font-size:1.05rem;line-height:1.6;color:var(--text)}.audio-btn{background:var(--bg-card-2);color:var(--text);border-radius:999px;padding:8px 16px;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;margin-top:10px}.audio-btn.playing{background:var(--accent)}.study-nav{display:grid;grid-template-columns:1fr 2fr;gap:10px}.game-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.game-header .game-name{font-weight:700}.game-header .game-score{background:var(--bg-card);border-radius:999px;padding:6px 14px;font-weight:700;color:var(--warn)}.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.match-col{display:flex;flex-direction:column;gap:10px}.match-tile{background:var(--bg-card);color:var(--text);border:2px solid transparent;border-radius:14px;padding:14px 10px;font-size:.95rem;min-height:56px;transition:opacity .3s,border-color .15s}.match-tile.selected{border-color:var(--accent);background:var(--bg-card-2)}.match-tile.done{opacity:.25;pointer-events:none;border-color:var(--accent-2)}.match-tile.wrong{animation:shake .35s;border-color:var(--error)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.question-text{font-size:1.2rem;line-height:1.5;margin:10px 0 20px}.question-text .blank{color:var(--accent-2);font-weight:700;border-bottom:2px dashed var(--accent-2);padding:0 6px}.options{display:flex;flex-direction:column;gap:10px}.option-btn{background:var(--bg-card);color:var(--text);border:2px solid transparent;border-radius:14px;padding:15px;text-align:left;font-size:1rem}.option-btn.correct{border-color:var(--accent-2);background:#00d4a61f}.option-btn.incorrect{border-color:var(--error);background:#ff5c7a1f;animation:shake .35s}.option-btn:disabled{cursor:default}.big-audio{display:flex;align-items:center;justify-content:center;width:90px;height:90px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#5a3ee8);color:#fff;font-size:2.2rem;margin:14px auto 24px;transition:transform .1s}.big-audio:active{transform:scale(.93)}.sprint-timer{font-size:1.1rem;font-weight:800;color:var(--warn);text-align:center;margin-bottom:12px}.sprint-word{font-size:1.9rem;font-weight:800;text-align:center;margin:18px 0 22px}.feedback-banner{text-align:center;font-weight:700;min-height:1.5em;margin-top:14px}.feedback-banner.good{color:var(--accent-2)}.feedback-banner.bad{color:var(--error)}.results-hero{text-align:center;padding:30px 0 10px}.results-hero .stars{font-size:3rem;letter-spacing:.1em}.results-hero .pct{font-size:2.6rem;font-weight:800;margin:10px 0 4px}.results-hero .label{color:var(--text-dim)}.fail-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg-card);border-radius:14px;padding:12px 14px;margin-bottom:8px}.fail-item .w{font-weight:700}.fail-item .m{color:var(--text-dim);font-size:.85rem}.error-box{background:#ff5c7a1f;border:1px solid var(--error);border-radius:14px;padding:14px;color:var(--error);margin-bottom:14px;font-size:.92rem;overflow-wrap:break-word}