.smart-layout-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:10px;margin-bottom:14px;padding:12px;display:flex}.smart-layout-panel-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.smart-layout-title{color:var(--text-primary);font-size:12px;font-weight:700}.smart-layout-link-btn,.smart-layout-secondary-btn,.smart-layout-mode-btn{cursor:pointer;border-radius:7px;height:28px;font-size:11px;font-weight:600}.smart-layout-link-btn{color:var(--text-secondary);background:0 0;border:1px solid transparent;padding:0 8px}.smart-layout-link-btn:hover,.smart-layout-secondary-btn:hover{color:var(--accent);border-color:var(--accent)}.smart-layout-mode-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;display:grid}.smart-layout-mode-btn{border:1px solid var(--border-hover);background:var(--bg-card);color:var(--text-secondary)}.smart-layout-mode-btn.active{color:var(--accent);background:var(--accent-muted);border-color:var(--accent)}.smart-layout-mode-btn.disabled{color:var(--text-muted);cursor:not-allowed;opacity:.6}.smart-layout-split-tools{flex-direction:column;gap:10px;display:flex}.smart-layout-secondary-btn{border:1px solid var(--border-hover);background:var(--bg-card);color:var(--text-secondary);align-self:flex-start;padding:0 10px}.smart-layout-panel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.smart-layout-subject-card{border:1px solid var(--border);background:var(--bg-card);border-radius:8px;flex-direction:column;gap:8px;min-width:0;padding:10px;display:flex}.smart-layout-subject-preview{aspect-ratio:16/9;background:linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px), var(--bg-primary);background-size:20% 20%;border-radius:6px;position:relative;overflow:hidden}.smart-layout-subject-dot{border:2px solid var(--bg-primary);border-radius:50%;width:12px;height:12px;position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 0 2px rgba(255,255,255,.35)}.smart-layout-subject-meta,.smart-layout-slider-row{align-items:center;gap:8px;display:flex}.smart-layout-subject-meta{justify-content:space-between}.smart-layout-subject-label{color:var(--text-primary);font-size:11px;font-weight:700}.smart-layout-subject-values,.smart-layout-slider-label{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:10px}.smart-layout-slider-label{flex-shrink:0;width:12px}.smart-layout-slider{width:100%;accent-color:var(--accent)}@media (width<=720px){.smart-layout-panel-grid{grid-template-columns:1fr}.smart-layout-mode-row{grid-template-columns:repeat(2,minmax(0,1fr))}}