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.1s;letter-spacing:.02em}.quiz-start-btn:hover{opacity:.9;transform:translateY(-1px)}.quiz-start-btn:active{transform:translateY(0)}.quiz-progress-bar-wrap{width:100%;max-width:560px;margin-bottom:24px}.quiz-progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted);margin-bottom:6px}.quiz-progress-track{height:4px;background:var(--surface3);border-radius:2px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.quiz-question-card{width:100%;max-width:560px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:36px 36px 32px;min-height:280px;display:flex;flex-direction:column;position:relative;transition:border-color .25s}.quiz-question-card.feedback-correct{border-color:#2ea0438c}.quiz-question-card.feedback-wrong{border-color:#cf222e80}.quiz-hand-display{display:flex;flex-direction:column;gap:20px;margin-bottom:32px}.quiz-hand-row{display:flex;align-items:center;gap:16px}.quiz-hand-role{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);min-width:100px}.quiz-card-badge{font-family:var(--font-mono);font-size:32px;font-weight:700;color:var(--text);background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:4px 16px;line-height:1.3}.quiz-player-hand{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--accent)}.quiz-action-prompt{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:14px}.quiz-action-grid{display:flex;flex-wrap:wrap;gap:10px}.quiz-action-btn{flex:1;min-width:80px;padding:12px 8px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;font-family:var(--font);display:flex;flex-direction:column;align-items:center;gap:4px;transition:transform .1s,filter .1s}.quiz-action-btn:hover{transform:translateY(-2px);filter:brightness(1.15)}.quiz-action-btn:active{transform:translateY(0)}.quiz-action-btn.action-hit{background:var(--hit-bg);color:var(--hit);border-color:#2ea04359}.quiz-action-btn.action-stand{background:var(--stand-bg);color:var(--stand);border-color:#cf222e59}.quiz-action-btn.action-double{background:var(--double-bg);color:var(--double);border-color:#d2992259}.quiz-action-btn.action-split{background:var(--split-bg);color:var(--split);border-color:#388bfd59}.quiz-action-btn.action-surrender{background:var(--surrender-bg);color:var(--surrender);border-color:#8957e559}.quiz-action-abbrev{font-family:var(--font-mono);font-size:20px;font-weight:700}.quiz-action-name{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;opacity:.85}.quiz-feedback-overlay{flex:1;display:flex;align-items:center;justify-content:center;animation:feedback-in .2s ease}@keyframes feedback-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.quiz-feedback-correct,.quiz-feedback-wrong{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.quiz-feedback-icon{font-size:48px;line-height:1}.quiz-feedback-correct .quiz-feedback-icon{color:var(--hit)}.quiz-feedback-wrong .quiz-feedback-icon{color:var(--stand)}.quiz-feedback-text{font-size:20px;font-weight:700;color:var(--hit)}.quiz-feedback-detail{display:flex;flex-direction:column;gap:8px}.quiz-feedback-row{display:flex;align-items:center;gap:10px;justify-content:center}.quiz-feedback-dim{font-size:13px;color:var(--text-muted);min-width:80px;text-align:right}.quiz-feedback-hkd{margin-top:10px;font-size:13px;font-family:var(--font-mono);font-weight:600;padding:5px 12px;border-radius:6px}.quiz-feedback-hkd-gain{color:var(--hit);background:var(--hit-bg);border:1px solid rgba(46,160,67,.25)}.quiz-feedback-hkd-loss{color:var(--stand);background:var(--stand-bg);border:1px solid rgba(207,34,46,.25)}.quiz-action-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:5px;font-size:13px;font-weight:700;font-family:var(--font-mono)}.quiz-action-chip.action-hit{background:var(--hit-bg);color:var(--hit);border:1px solid rgba(46,160,67,.3)}.quiz-action-chip.action-stand{background:var(--stand-bg);color:var(--stand);border:1px solid rgba(207,34,46,.3)}.quiz-action-chip.action-double{background:var(--double-bg);color:var(--double);border:1px solid rgba(210,153,34,.3)}.quiz-action-chip.action-split{background:var(--split-bg);color:var(--split);border:1px solid rgba(56,139,253,.3)}.quiz-action-chip.action-surrender{background:var(--surrender-bg);color:var(--surrender);border:1px solid rgba(137,87,229,.3)}.quiz-results-wrap{width:100%;max-width:560px;display:flex;flex-direction:column;gap:24px}.quiz-score-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px 32px 28px}.quiz-score-headline{text-align:center;margin-bottom:8px}.quiz-score-num{font-size:56px;font-weight:700;font-family:var(--font-mono);color:var(--accent);line-height:1}.quiz-score-denom{font-size:28px;font-weight:600;font-family:var(--font-mono);color:var(--text-muted)}.quiz-score-label{text-align:center;font-size:14px;color:var(--text-muted);margin-bottom:24px}.quiz-edge-table{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px}.quiz-edge-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--border)}.quiz-edge-row:last-child{border-bottom:none}.quiz-edge-row.quiz-edge-extra{background:#d2992214}.quiz-edge-lbl{font-size:13px;color:var(--text-muted)}.quiz-edge-val{font-family:var(--font-mono);font-size:14px;font-weight:600;color:var(--text)}.quiz-edge-val.quiz-edge-worse{color:var(--stand)}.quiz-edge-val.quiz-edge-cost{color:var(--double)}.quiz-trip-cost{margin-bottom:20px;padding:14px 16px;border-radius:var(--radius);background:#d1545412;border:1px solid rgba(209,84,84,.22)}.quiz-trip-cost-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--stand);margin-bottom:6px}.quiz-trip-cost-formula{font-size:12px;color:var(--text-muted);font-family:var(--font-mono);margin-bottom:8px;line-height:1.6;word-break:break-word}.quiz-trip-cost-result{font-size:13px;color:var(--text-dim)}.quiz-trip-cost-result strong{color:var(--stand);font-size:20px;font-family:var(--font-mono);margin-right:4px}.quiz-results-actions{display:flex;gap:10px}.quiz-apply-btn{flex:2;padding:12px 16px;border:none;border-radius:var(--radius);background:var(--accent);color:#000;font-size:14px;font-weight:700;cursor:pointer;font-family:var(--font);transition:opacity .15s,transform .1s}.quiz-apply-btn:hover{opacity:.9;transform:translateY(-1px)}.quiz-retake-btn{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface2);color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer;font-family:var(--font);transition:all .15s}.quiz-retake-btn:hover{border-color:var(--accent-border);color:var(--text);background:var(--surface3)}.donate-widget{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.donate-tagline{font-size:13px;font-weight:500;color:var(--text-muted);margin-bottom:12px}.donate-body{display:flex;align-items:center;gap:16px}.donate-qr{flex-shrink:0;border-radius:6px;overflow:hidden;line-height:0}.donate-info{display:flex;flex-direction:column;gap:4px}.donate-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.donate-address{font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;color:var(--text);letter-spacing:.02em}.donate-copy-btn{margin-top:4px;align-self:flex-start;padding:4px 10px;border-radius:5px;border:1px solid var(--accent-border);background:transparent;color:var(--accent);font-size:12px;font-weight:500;cursor:pointer;font-family:var(--font);transition:background .15s,color .15s}.donate-copy-btn:hover{background:var(--accent-soft)}.settings-donate{margin-top:auto;padding-top:12px}.quiz-mistakes-section{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.quiz-mistakes-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface2)}.quiz-mistakes-list{display:flex;flex-direction:column}.quiz-mistake-row{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap}.quiz-mistake-row:last-child{border-bottom:none}.quiz-mistake-hand{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--text);min-width:90px}.quiz-mistake-actions{display:flex;align-items:center;gap:7px;flex:1;flex-wrap:wrap}.quiz-mistake-dim{font-size:11px;color:var(--text-dim)}.quiz-mistake-arrow{color:var(--text-dim);font-size:13px}.quiz-mistake-cost{font-family:var(--font-mono);font-size:12px;color:var(--double);white-space:nowrap;margin-left:auto}.quiz-mistake-cost-hkd{color:var(--stand);font-weight:600}.quiz-perfect-note{text-align:center;padding:20px;font-size:14px;color:var(--hit);background:#2ea04314;border:1px solid rgba(46,160,67,.25);border-radius:var(--radius)}@media(max-width:680px){.quiz-landing-card{padding:28px 20px 24px}.quiz-landing-title{font-size:22px}.quiz-question-card{padding:24px 20px;min-height:240px}.quiz-hand-role{min-width:80px;font-size:11px}.quiz-card-badge{font-size:26px;padding:4px 12px}.quiz-player-hand{font-size:24px}.quiz-score-num{font-size:44px}.quiz-score-denom{font-size:22px}.quiz-results-actions{flex-direction:column}.quiz-mistake-row{flex-direction:column;align-items:flex-start;gap:6px}.quiz-mistake-cost{margin-left:0}}