*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--danger-color: #dc2626;--success-color: #16a34a;--warning-color: #ea580c;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--border-radius: .5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--bg-primary: #f9fafb;--bg-secondary: #ffffff;--input-bg: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--warning-bg: #fef3c7;--warning-border: #fbbf24;--warning-text: #78350f}.dark{--primary-color: #60a5fa;--primary-hover: #3b82f6;--bg-primary: #0f172a;--bg-secondary: #1e293b;--input-bg: #1e293b;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--border-color: #334155;--gray-50: #1e293b;--gray-200: #334155;--gray-300: #475569;--gray-600: #94a3b8;--gray-700: #cbd5e1;--gray-800: #e2e8f0;--gray-900: #f1f5f9;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow: 0 1px 3px 0 rgb(0 0 0 / .4), 0 1px 2px -1px rgb(0 0 0 / .4);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .4);--warning-bg: #422006;--warning-border: #92400e;--warning-text: #fcd34d;--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background-color .2s,color .2s}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:var(--bg-secondary);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:1.5rem;transition:background-color .2s}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-secondary{background-color:var(--gray-200);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--gray-300)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover:not(:disabled){background-color:#b91c1c}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-weight:500;margin-bottom:.5rem;color:var(--text-primary)}.form-label.required:after{content:" *";color:var(--danger-color)}.form-input,.form-select,.form-textarea{width:100%;padding:.625rem;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:1rem;background-color:var(--bg-secondary);color:var(--text-primary);transition:border-color .2s,box-shadow .2s,background-color .2s}select option{background-color:var(--input-bg);color:var(--text-primary);padding:.5rem}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-input.error,.form-select.error,.form-textarea.error{border-color:var(--danger-color)}.form-error{color:var(--danger-color);font-size:.875rem;margin-top:.25rem}.form-help{color:var(--gray-500);font-size:.875rem;margin-top:.25rem}.checkbox-group,.radio-group{display:flex;flex-direction:column;gap:.75rem}.checkbox-label,.radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer}input[type=checkbox],input[type=radio]{width:1.125rem;height:1.125rem;cursor:pointer}.alert{padding:1rem;border-radius:var(--border-radius);margin-bottom:1rem}.alert-info{background-color:#dbeafe;color:#1e40af;border-left:4px solid var(--primary-color)}.alert-success{background-color:#dcfce7;color:#166534;border-left:4px solid var(--success-color)}.alert-warning{background-color:#fed7aa;color:#9a3412;border-left:4px solid var(--warning-color)}.alert-error{background-color:#fee2e2;color:#991b1b;border-left:4px solid var(--danger-color)}.loading{display:flex;justify-content:center;align-items:center;min-height:200px}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary-color);border-radius:50%;width:2.5rem;height:2.5rem;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:0 .75rem}.card{padding:1rem}}