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9px;font-size:10.5px;font-weight:700}.pv-chip-gold{color:var(--gold);background:#f5b83d29}.pv-chip-danger{color:#f87171;background:#ef444429}.pv-image{object-fit:contain;background:#fff;border-radius:12px;width:100%;max-height:160px}.pv-question{white-space:pre-wrap;margin:0;font-size:15px;font-weight:700;line-height:1.45}.is-placeholder{color:var(--muted);font-weight:500}.pv-options{flex-direction:column;gap:8px;display:flex}.pv-option{background:var(--card);border:1px solid var(--border);border-radius:12px;align-items:center;gap:10px;padding:10px;font-size:13px;display:flex}.pv-option.is-correct{background:#22c55e1a;border-color:#22c55e99}.pv-letter{background:#ffffff12;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;font-weight:800;display:inline-flex}.pv-option.is-correct .pv-letter{background:var(--success);color:#fff}.pv-explain{background:#5b7cff17;border:1px solid #5b7cff38;border-radius:12px;padding:10px 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320px;gap:24px;display:grid}.announce-preview{flex-direction:column;align-items:center;gap:10px;display:flex}.save-bar{box-shadow:var(--shadow);z-index:5;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky;bottom:12px}@media (width<=1100px){.grid-2{grid-template-columns:1fr}}@media (width<=900px){.qform,.announce{grid-template-columns:1fr}.qform-preview{position:static}}@media (width<=800px){.shell{flex-direction:column}.sidebar{z-index:20;border-right:0;border-bottom:1px solid var(--border);width:100%;height:auto;padding:10px 14px;position:sticky;top:0}.sidebar-top{padding:0}.menu-btn{display:inline-flex}.sidebar .nav,.sidebar .sidebar-foot{display:none}.sidebar.is-open .nav,.sidebar.is-open .sidebar-foot{display:flex}.sidebar.is-open .nav{padding-top:12px}.sidebar.is-open .sidebar-foot{margin-top:10px}.main{padding:18px 14px 50px}.page-header h1{font-size:22px}.form-row{grid-template-columns:1fr}.mini-stats{grid-template-columns:repeat(2,1fr)}.kv{grid-template-columns:1fr;gap:2px}.filters select{flex:140px}.overlay{align-items:stretch;padding:0}.modal{border-radius:0;max-height:100vh}.toasts{max-width:none;bottom:12px;left:12px;right:12px}}.pv-option-image{object-fit:contain;background:#fff;border-radius:6px;max-width:100%;height:56px;display:block}.option-edit-image{object-fit:contain;background:#fff;border-radius:6px;flex-shrink:0;width:72px;height:46px}