:root{--color-bg-primary:#fff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-bg-hover:#e2e8f0;--color-bg-active:#cbd5e1;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-tertiary:#64748b;--color-text-muted:#94a3b8;--color-text-inverse:#fff;--color-border-primary:#e2e8f0;--color-border-secondary:#cbd5e1;--color-border-focus:#6366f1;--color-brand-primary:#6366f1;--color-brand-primary-hover:#4f46e5;--color-brand-primary-active:#4338ca;--color-brand-secondary:#8b5cf6;--color-accent-blue:#3b82f6;--color-accent-green:#10b981;--color-accent-yellow:#f59e0b;--color-accent-red:#ef4444;--color-accent-purple:#8b5cf6;--color-status-success:#10b981;--color-status-success-bg:#d1fae5;--color-status-warning:#f59e0b;--color-status-warning-bg:#fef3c7;--color-status-error:#ef4444;--color-status-error-bg:#fee2e2;--color-status-info:#3b82f6;--color-status-info-bg:#dbeafe;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--font-family-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-family-mono:"SF Mono","Monaco","Inconsolata","Fira Mono","Droid Sans Mono",monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-md:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--transition-fast:150ms ease;--transition-normal:200ms ease;--transition-slow:300ms ease;--sidebar-width:280px;--sidebar-collapsed-width:80px;--header-height:64px;--content-max-width:1280px;--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal-backdrop:400;--z-modal:500;--z-popover:600;--z-tooltip:700}[data-theme=dark]{--color-bg-primary:#0f172a;--color-bg-secondary:#1e293b;--color-bg-tertiary:#334155;--color-bg-hover:#475569;--color-bg-active:#64748b;--color-text-primary:#f8fafc;--color-text-secondary:#cbd5e1;--color-text-tertiary:#94a3b8;--color-text-muted:#64748b;--color-text-inverse:#0f172a;--color-border-primary:#334155;--color-border-secondary:#475569;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,.4),0 2px 4px -2px rgba(0,0,0,.3);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.4),0 4px 6px -4px rgba(0,0,0,.3)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family-sans);font-size:var(--font-size-md);line-height:var(--line-height-normal);background-color:var(--color-bg-secondary)}body,h1,h2,h3,h4,h5,h6{color:var(--color-text-primary)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-md)}p{color:var(--color-text-secondary)}a{color:var(--color-brand-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-brand-primary-hover)}:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{font-family:inherit;font-size:inherit;color:var(--color-text-primary);background-color:var(--color-bg-primary);border:1px solid var(--color-border-primary);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 3px rgba(99,102,241,.1)}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:1.5rem;height:1.5rem;border:2px solid var(--color-border-primary);border-top-color:var(--color-brand-primary);border-radius:50%;animation:spin .8s linear infinite}.card{background-color:var(--color-bg-primary);border:1px solid var(--color-border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{border-bottom:1px solid var(--color-border-primary)}.card-body,.card-footer,.card-header{padding:var(--spacing-lg)}.card-footer{border-top:1px solid var(--color-border-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-weight:var(--font-weight-medium);border-radius:var(--radius-md);transition:all var(--transition-fast)}.btn-primary{color:var(--color-text-inverse);background-color:var(--color-brand-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-brand-primary-hover)}.btn-primary:active:not(:disabled){background-color:var(--color-brand-primary-active)}.btn-secondary{color:var(--color-text-primary);background-color:var(--color-bg-tertiary)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-hover)}.btn-outline{color:var(--color-brand-primary);background-color:transparent;border:1px solid var(--color-brand-primary)}.btn-outline:hover:not(:disabled){background-color:rgba(99,102,241,.1)}.btn-ghost{color:var(--color-text-secondary);background-color:transparent}.btn-ghost:hover:not(:disabled){background-color:var(--color-bg-hover);color:var(--color-text-primary)}.btn-danger{color:var(--color-text-inverse);background-color:var(--color-status-error)}.btn-danger:hover:not(:disabled){background-color:#dc2626}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-full)}.badge-success{color:#065f46;background-color:var(--color-status-success-bg)}.badge-warning{color:#92400e;background-color:var(--color-status-warning-bg)}.badge-error{color:#991b1b;background-color:var(--color-status-error-bg)}.badge-info{color:#1e40af;background-color:var(--color-status-info-bg)}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border-primary)}.table th{font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);background-color:var(--color-bg-secondary)}.table tr:hover td{background-color:var(--color-bg-tertiary)}