:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#dbeafe;--background:#f8fafc;--surface:#fff;--surface-hover:#f1f5f9;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--border-light:#f1f5f9;--success:#22c55e;--success-bg:#dcfce7;--warning:#f59e0b;--warning-bg:#fef3c7;--error:#ef4444;--error-bg:#fee2e2;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012,0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014,0 4px 6px -4px #0000000d;--radius-sm:6px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--sidebar-width:260px;--sidebar-collapsed:72px;--header-height:64px}[data-theme=dark]{--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#1e3a5f;--background:#0f172a;--surface:#1e293b;--surface-hover:#334155;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#334155;--border-light:#1e293b;--success-bg:#14532d;--warning-bg:#78350f;--error-bg:#7f1d1d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background-color:var(--background);color:var(--text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.grid{display:grid}.text-center{text-align:center}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.3}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-muted{color:var(--text-secondary)}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{border-bottom:1px solid var(--border-light);padding:1.25rem 1.5rem}.card-body{padding:1.5rem}.card-footer{border-top:1px solid var(--border-light);background:var(--surface-hover);padding:1rem 1.5rem}.btn{border-radius:var(--radius-sm);white-space:nowrap;justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover)}.btn-ghost{color:var(--text-secondary)}.btn-ghost:hover{background:var(--surface-hover);color:var(--text-primary)}.btn:disabled{opacity:.5;cursor:not-allowed}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-group label{color:var(--text-primary);font-size:.875rem;font-weight:500}.input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);padding:.75rem 1rem;font-size:.9375rem;transition:border-color .2s,box-shadow .2s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.input::placeholder{color:var(--text-muted)}.spinner{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:1000;align-items:center;gap:.75rem;padding:1rem 1.25rem;animation:.3s slideIn;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast-success{border-left:4px solid var(--success)}.toast-error{border-left:4px solid var(--error)}.toast-warning{border-left:4px solid var(--warning)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.table-container{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:.875rem}.table th,.table td{text-align:left;border-bottom:1px solid var(--border-light);padding:.75rem 1rem}.table th{color:var(--text-secondary);background:var(--surface-hover);white-space:nowrap;font-weight:600}.table tbody tr:hover{background:var(--surface-hover)}.badge{border-radius:9999px;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:500;display:inline-flex}.badge-success{background:var(--success-bg);color:var(--success)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-error{background:var(--error-bg);color:var(--error)}.badge-primary{background:var(--primary-light);color:var(--primary)}@media (max-width:768px){:root{--sidebar-width:100%}h1{font-size:1.5rem}h2{font-size:1.25rem}.container{padding:0 1rem}}