:root{--color-primary-900: #0b1f4d;--color-primary-700: #1d4ed8;--color-primary-600: #2563eb;--color-primary-500: #3b82f6;--color-primary-400: #60a5fa;--color-primary-100: #dbeafe;--color-accent-500: #0ea5e9;--color-accent-400: #38bdf8;--color-success: #12b76a;--color-warning: #f79009;--color-danger: #f04438;--color-info: var(--color-primary-600);--gradient-brand: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 50%, var(--color-accent-500) 100%);--gradient-surface: linear-gradient(180deg, #ffffff 0%, #f4f8fd 100%);--color-bg: #f2f6fc;--color-surface: #ffffff;--color-surface-alt: #eef3fb;--color-surface-raised: #ffffff;--color-border: #dfe7f3;--color-border-strong: #c6d4ea;--color-text: #101828;--color-text-muted: #5b6b85;--color-text-inverse: #ffffff;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--sidebar-width: 260px;--sidebar-width-collapsed: 72px;--header-height: 64px;--transition-fast: .15s ease;--transition-base: .22s ease}:root[data-theme=dark]{--color-primary-100: #12305e;--gradient-surface: linear-gradient(180deg, #101a2e 0%, #0b1424 100%);--color-bg: #0a1120;--color-surface: #101a2e;--color-surface-alt: #16223b;--color-surface-raised: #182746;--color-border: #223252;--color-border-strong: #2c4066;--color-text: #e7edf7;--color-text-muted: #8ea0c2;--color-text-inverse: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);--shadow-md: 0 4px 14px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .5)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Segoe UI,Inter,Roboto,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--color-bg);color:var(--color-text);transition:background var(--transition-base),color var(--transition-base);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}p{margin:0}a{color:var(--color-primary-600);text-decoration:none}button{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:999px}.surface-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.text-muted{color:var(--color-text-muted)}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:600;color:var(--color-text)}.form-label .required{color:var(--color-danger);margin-left:2px}.form-control{width:100%;padding:9px 12px;font-size:14px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-control::placeholder{color:var(--color-text-muted)}.form-control:focus{border-color:var(--color-primary-500);box-shadow:0 0 0 3px var(--color-primary-100)}.form-control:disabled{background:var(--color-surface-alt);color:var(--color-text-muted);cursor:not-allowed}.form-error{font-size:12px;color:var(--color-danger)}.scroll-x{overflow-x:auto}