:root{--color-primary: #667eea;--color-primary-dark: #5568d3;--color-primary-light: #eef2ff;--color-secondary: #764ba2;--color-accent: #f093fb;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-family-ar: "Noto Sans Arabic", "Noto Naskh Arabic", "Tajawal", "Cairo", system-ui, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 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;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--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 -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--surface-0: #ffffff;--surface-1: var(--color-gray-50);--surface-2: var(--color-gray-100);--surface-3: #ffffff;--text-1: var(--color-gray-900);--text-2: var(--color-gray-700);--text-3: var(--color-gray-500);--border-1: var(--color-gray-200);--surface-warning: #fff3cd;--surface-warning-2: #fff3e0;--surface-warning-3: #fff9c4;--text-warning: #856404;--surface-success: #d1fae5;--text-success: #065f46;--surface-danger: #fee2e2;--text-danger: #991b1b;--surface-info: #e3f2fd;--text-info: #1565c0}html[data-theme=dark]{--color-primary-light: rgba(102, 126, 234, .18);--color-gray-50: #0b1220;--color-gray-100: #0f172a;--color-gray-200: #1f2937;--color-gray-300: #334155;--color-gray-400: #64748b;--color-gray-500: #94a3b8;--color-gray-600: #cbd5e1;--color-gray-700: #e2e8f0;--color-gray-800: #f1f5f9;--color-gray-900: #f8fafc;--surface-0: #0b1220;--surface-1: #0f172a;--surface-2: #111827;--surface-3: #0f172a;--text-1: #f8fafc;--text-2: #e2e8f0;--text-3: #94a3b8;--border-1: rgba(148, 163, 184, .22);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .35);--shadow-md: 0 10px 20px rgba(0, 0, 0, .35);--shadow-lg: 0 18px 30px rgba(0, 0, 0, .38);--surface-warning: rgba(245, 158, 11, .18);--surface-warning-2: rgba(245, 158, 11, .14);--surface-warning-3: rgba(245, 158, 11, .22);--text-warning: #fcd34d;--surface-success: rgba(16, 185, 129, .18);--text-success: #6ee7b7;--surface-danger: rgba(239, 68, 68, .18);--text-danger: #fca5a5;--surface-info: rgba(59, 130, 246, .16);--text-info: #93c5fd}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;padding:0;font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--text-1);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--surface-0);transition:background-color .18s ease,color .18s ease}html[lang=ar]{--font-family: var(--font-family-ar)}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--text-1);letter-spacing:-.02em}h1{font-size:var(--font-size-4xl);font-weight:800}h2{font-size:var(--font-size-3xl);font-weight:700}h3{font-size:var(--font-size-2xl);font-weight:600}h4{font-size:var(--font-size-xl);font-weight:600}h5{font-size:var(--font-size-lg);font-weight:600}h6{font-size:var(--font-size-base);font-weight:600}p{margin:0;line-height:1.7}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-dark)}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none;transition:all .2s ease}input,textarea,select{font-family:var(--font-family);font-size:var(--font-size-base)}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-lg)}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.font-light{font-weight:300}.font-normal{font-weight:400}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.font-extrabold{font-weight:800}.text-gray-500{color:var(--color-gray-500)}.text-gray-600{color:var(--color-gray-600)}.text-gray-700{color:var(--color-gray-700)}.text-gray-800{color:var(--color-gray-800)}.text-gray-900{color:var(--color-gray-900)}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.card{background:var(--surface-3);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid var(--border-1);transition:border-color .2s ease}.card:hover{border-color:var(--border-2)}.card-header{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-1)}.card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-gray-900);margin-bottom:var(--spacing-xs)}.card-subtitle{font-size:var(--font-size-sm);color:var(--color-gray-500)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.625rem 1.25rem;font-size:var(--font-size-sm);font-weight:500;border-radius:var(--radius-md);transition:all .2s ease;cursor:pointer;border:none;outline:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;color:var(--color-gray-700);border:1px solid var(--color-gray-300)}.btn-secondary:hover{background:var(--color-gray-50);border-color:var(--color-gray-400)}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;font-size:var(--font-size-xs);font-weight:500;border-radius:var(--radius-sm);line-height:1}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-error{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}