:root{--bg: #08090c;--bg-2: #0d1015;--surface: rgba(255, 255, 255, .04);--surface-strong: rgba(255, 255, 255, .07);--glass: var(--surface);--glass-strong: var(--surface-strong);--border: rgba(255, 255, 255, .1);--border-bright: rgba(255, 255, 255, .18);--text: #f5f5f7;--text-2: #a1a1aa;--text-3: #71717a;--brand: #38bdf8;--brand-strong: #0ea5e9;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--info: #60a5fa;--amended: #a78bfa;--status-unread: var(--info);--status-in-progress: var(--warning);--status-reported: var(--success);--status-amended: var(--amended);--status-voided: var(--text-3);--status-urgent: var(--danger);--viewer-bg: #000000;--viewer-overlay: rgba(245, 245, 247, .82);--paper: #ffffff;--ink: #111827;--ink-2: #4b5563;--radius-sm: 10px;--radius: 14px;--radius-lg: 18px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--shadow: 0 4px 24px rgba(0, 0, 0, .25);--transition: .18s cubic-bezier(.4, 0, .2, 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#000}.viewer-overlay.tl{top:8px;left:10px}.viewer-overlay.bl{bottom:8px;left:10px}.viewer-error{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--text-2)}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--space-4);height:calc(100vh - 200px);min-height:560px}@media(max-width:1100px){.study-layout{grid-template-columns:1fr;height:auto}}.status-urgent{color:var(--status-urgent);font-weight:600}