:root{--bg: #f4f5f9;--surface: #ffffff;--border: #e3e6ee;--text: #1c1f2b;--text-muted: #6b7180;--accent: #6d5bf6;--accent-hover: #5a48e0;--accent-soft: #efecff;--success: #16a34a;--success-soft: #dcfce7;--warn: #d97706;--warn-soft: #fef3c7;--danger: #dc2626;--danger-soft: #fee2e2;--sidebar-bg: #15172b;--sidebar-text: #b7bacb;--sidebar-text-active: #ffffff;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(20, 20, 43, .06), 0 8px 24px rgba(20, 20, 43, .04)}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;padding:20px 14px}.sidebar-brand{font-weight:700;font-size:16px;color:#fff;padding:6px 10px 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