:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #a5b4fc;--secondary: #06b6d4;--secondary-dark: #0891b2;--success: #10b981;--success-dark: #059669;--warning: #f59e0b;--danger: #ef4444;--danger-dark: #dc2626;--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;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--bg-gradient: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);--text-primary: #1f2937;--text-secondary: #4b5563;--text-muted: #6b7280;--border-color: #e5e7eb;--border-color-light: #f3f4f6;--success-bg: #f0fdf4;--success-bg-strong: #d1fae5;--success-text: #065f46;--danger-bg: #fef2f2;--danger-text: #b91c1c;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--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);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .25s ease}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-gradient);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background var(--transition-normal),color var(--transition-normal)}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-dark)}button{font-family:inherit;cursor:pointer;transition:all var(--transition-fast)}input,textarea,select{font-family:inherit;font-size:.95rem}h1,h2,h3,h4,h5,h6{font-weight:600;color:var(--text-primary);line-height:1.3}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:linear-gradient(135deg,var(--secondary) 0%,var(--secondary-dark) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-success{background:linear-gradient(135deg,var(--success) 0%,var(--success-dark) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-success:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-danger{background:linear-gradient(135deg,var(--danger) 0%,var(--danger-dark) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-danger:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--text-muted)}.input{width:100%;padding:12px 16px;font-size:.95rem;border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input::placeholder{color:var(--text-muted)}.input.input-success:focus{border-color:var(--success);box-shadow:0 0 0 3px #10b98133}.input.input-warning:focus{border-color:var(--warning);box-shadow:0 0 0 3px #f59e0b33}.card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px;border:1px solid var(--border-color-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease forwards}