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var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:20px;padding:7px 16px;font-size:13px;font-weight:600;transition:all .15s}.mock-section-tab:hover{border-color:var(--primary)}.mock-section-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.mock-section-heading{color:var(--heading);align-items:center;gap:8px;margin-bottom:12px;font-size:15px;font-weight:700;display:flex}.mock-section-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.mock-section-count{color:var(--text-muted);margin-left:4px;font-size:12px;font-weight:500}.mock-card-list{flex-direction:column;gap:12px;display:flex}.mock-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;transition:box-shadow .15s,transform .15s;display:flex}.mock-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.mock-card-main{flex:1;min-width:0}.mock-card-title{color:var(--heading);margin-bottom:8px;font-size:16px;font-weight:700}.mock-card-stats{flex-wrap:wrap;gap:18px;display:flex}.mock-stat{color:var(--text-muted);white-space:nowrap;font-size:13px}.mock-stat-score{color:var(--success);font-weight:600}.mock-start-btn{color:#fff;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;padding:11px 28px;font-size:15px;font-weight:600;transition:opacity .15s,transform .1s}.mock-start-btn:hover{opacity:.9}.mock-start-btn:active{transform:scale(.97)}.mock-room-loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.mock-room{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.mock-room-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;align-items:center;gap:16px;padding:12px 24px;display:flex;position:sticky;top:0}.mock-room-title{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:15px;font-weight:700;overflow:hidden}.mock-room-timer{font-variant-numeric:tabular-nums;color:var(--heading);background:var(--bg);border-radius:8px;padding:4px 12px;font-size:18px;font-weight:700}.mock-room-timer.low{color:#fff;background:var(--danger);animation:1s infinite pulse}@keyframes pulse{50%{opacity:.6}}.mock-room-body{align-items:flex-start;gap:16px;width:100%;max-width:1200px;margin:0 auto;padding:16px 24px;display:flex}.mock-room-main{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex:1;min-width:0;padding:24px}.mock-q-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.mock-room-palette{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-shrink:0;width:280px;padding:18px;position:sticky;top:80px}.palette-summary{color:var(--text-muted);flex-direction:column;gap:4px;margin-bottom:16px;font-size:13px;display:flex}.mock-submit-stat{text-align:center;background:var(--bg);border-radius:8px;flex:1;padding:10px}.mock-submit-stat strong{color:var(--heading);font-size:22px;display:block}.mock-submit-stat span{color:var(--text-muted);font-size:11px}.mock-result-score{flex-wrap:wrap;align-items:center;gap:28px;display:flex}.mock-score-ring{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:120px;height:120px;display:flex}.mock-score-inner{background:var(--surface);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:96px;height:96px;display:flex}.mock-score-num{color:var(--heading);font-size:30px;font-weight:800;line-height:1}.mock-score-total{color:var(--text-muted);margin-top:2px;font-size:13px}.mock-result-breakdown{color:var(--text);flex-direction:column;gap:7px;font-size:14px;display:flex}.mock-bd-row{align-items:center;gap:8px;display:flex}.mock-bd-row strong{color:var(--heading);margin-left:auto}.mock-bd-dot{border-radius:50%;width:10px;height:10px}@media (width<=760px){.mock-room-body{flex-direction:column}.mock-room-palette{order:-1;width:100%;position:static}.q-grid{grid-template-columns:repeat(8,1fr)}}