:root{--color-primary: #0d6efd;--color-primary-dark: #0a58ca;--color-primary-light: #6ea8fe;--color-secondary: #6c757d;--color-success: #198754;--color-warning: #ffc107;--color-danger: #dc3545;--color-info: #0dcaf0;--color-white: #ffffff;--color-gray-50: #f8f9fa;--color-gray-100: #f1f3f5;--color-gray-200: #e9ecef;--color-gray-300: #dee2e6;--color-gray-400: #ced4da;--color-gray-500: #adb5bd;--color-gray-600: #6c757d;--color-gray-700: #495057;--color-gray-800: #343a40;--color-gray-900: #212529;--color-black: #000000;--color-red-50: #fef2f2;--color-red-100: #fee2e2;--color-red-500: #ef4444;--color-red-600: #dc2626;--color-red-800: #991b1b;--color-amber-50: #fffbeb;--color-amber-100: #fef3c7;--color-amber-200: #fde68a;--color-amber-500: #f59e0b;--color-amber-800: #92400e;--color-blue-50: #eff6ff;--color-blue-100: #dbeafe;--color-blue-500: #3b82f6;--color-blue-600: #2563eb;--color-blue-800: #1e40af;--color-green-50: #f0fdf4;--color-green-100: #dcfce7;--color-green-500: #22c55e;--color-green-600: #16a34a;--color-primary-50: #eff6ff;--color-primary-100: #dbeafe;--color-primary-200: #bfdbfe;--color-success-light: #d1fae5;--color-success-dark: #065f46;--color-info-light: #dbeafe;--color-info-dark: #1e40af;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--header-height: 64px;--sidebar-width: 260px;--max-content-width: 1200px}*,*:before,*:after{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-sans);font-size:1rem;line-height:1.6;color:var(--color-gray-900);background-color:var(--color-gray-50);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-gray-900)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{margin-bottom:var(--space-4)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:.875rem;font-weight:500;line-height:1.5;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:var(--color-white)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-white);border-color:var(--color-gray-300);color:var(--color-gray-700)}.btn-secondary:hover:not(:disabled){background-color:var(--color-gray-100)}.btn-danger{background-color:var(--color-danger);color:var(--color-white)}.btn-danger:hover:not(:disabled){background-color:#bb2d3b}.btn-large{padding:var(--space-3) var(--space-6);font-size:1rem;font-weight:600;min-height:44px}.btn-small{padding:var(--space-1) var(--space-3);font-size:.8125rem}.btn-icon{width:44px;height:44px;min-width:44px;min-height:44px;padding:0;font-size:1.25rem;flex-shrink:0}.btn-icon-small{width:36px;height:36px;min-width:36px;min-height:36px;padding:0;font-size:1rem;flex-shrink:0}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-danger:focus-visible{outline-color:var(--color-danger)}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-2);font-size:.875rem;font-weight:500;color:var(--color-gray-700)}.form-input,.form-textarea,.form-select{width:100%;padding:var(--space-2) var(--space-3);font-size:.875rem;line-height:1.5;color:var(--color-gray-900);background-color:var(--color-white);border:1px solid var(--color-gray-300);border-radius:var(--radius-md);transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0d6efd26}.form-input:focus-visible,.form-textarea:focus-visible,.form-select:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.form-textarea{min-height:120px;resize:vertical}.card{background-color:var(--color-white);border:1px solid var(--color-gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-gray-200)}.card-body{padding:var(--space-5)}.card-footer{padding:var(--space-4) var(--space-5);border-top:1px solid var(--color-gray-200);background-color:var(--color-gray-50);border-radius:0 0 var(--radius-lg) var(--radius-lg)}.text-center{text-align:center}.text-muted{color:var(--color-gray-600)}.text-small{font-size:.875rem}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.mt-5{margin-top:var(--space-5)}.mt-6{margin-top:var(--space-6)}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-3{margin-bottom:var(--space-3)}.mb-4{margin-bottom:var(--space-4)}.mb-5{margin-bottom:var(--space-5)}.mb-6{margin-bottom:var(--space-6)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.alert{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-4)}.alert-success{background-color:#d1e7dd;border:1px solid #badbcc;color:#0f5132}.alert-danger{background-color:#f8d7da;border:1px solid #f5c2c7;color:#842029}.alert-warning{background-color:#fff3cd;border:1px solid #ffecb5;color:#664d03}.alert-info{background-color:#cff4fc;border:1px solid #b6effb;color:#055160}.spinner{width:20px;height:20px;border:2px solid var(--color-gray-300);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.spinner-large{width:32px;height:32px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.loading-indicator{display:inline-flex;align-items:center;gap:var(--space-2)}.loading-indicator[aria-busy=true]:before{content:"";display:inline-block;width:20px;height:20px;border:2px solid var(--color-gray-300);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}