:root{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-soft: #475569;--text-faint: #94a3b8;--primary: #9b1b3a;--primary-dark: #7d1530;--accent: #9b1b3a;--sidebar: #2b333c;--sidebar-soft: #3a434e;--sidebar-text: #c7ccd2;--success: #16a34a;--warn: #d97706;--danger: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 30px rgba(15, 23, 42, .18);font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px}.app{display:flex;min-height:100vh}.sidebar{width:248px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh}.sidebar .brand{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 14px;background:#fff;border-bottom:1px solid var(--sidebar-soft)}.sidebar .brand 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