*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary-color: #8b5cf6;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--background: #0f172a;--surface: #1e293b;--surface-light: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #334155;--shadow: 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)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6;min-height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--surface-light);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:.5rem;cursor:pointer;transition:all .2s ease;text-decoration:none;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--surface-light);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--surface)}.btn-danger{background:var(--danger-color);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-google{background:#fff;color:#333;border:1px solid var(--border-color)}.btn-google:hover:not(:disabled){background:#f9fafb}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-secondary)}.form-input{width:100%;padding:.75rem 1rem;font-size:1rem;background:var(--surface);border:2px solid var(--border-color);border-radius:.5rem;color:var(--text-primary);transition:all .2s ease}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder{color:var(--text-muted)}textarea.form-input{min-height:120px;resize:vertical}.card{background:var(--surface);border:1px solid var(--border-color);border-radius:1rem;padding:2rem;box-shadow:var(--shadow);transition:all .2s ease}.card:hover{box-shadow:var(--shadow-lg)}.card-header{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.card-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.card-subtitle{color:var(--text-muted);font-size:.875rem}.container{max-width:1200px;margin:0 auto;padding:2rem}.container-sm{max-width:600px;margin:0 auto;padding:2rem}.grid{display:grid;gap:1.5rem}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width: 768px){.grid-cols-2,.grid-cols-3{grid-template-columns:1fr}}.text-center{text-align:center}.text-primary{color:var(--primary-color)}.text-success{color:var(--success-color)}.text-danger{color:var(--danger-color)}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:1rem}.gap-4{gap:2rem}.spinner{border:3px solid var(--surface-light);border-top:3px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1rem}.alert{display:flex;align-items:flex-start;gap:1rem;padding:1.5rem;border-radius:.75rem;margin-bottom:1rem}.alert-icon{font-size:1.5rem;flex-shrink:0}.alert-content{flex:1}.alert-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem}.alert-text{font-size:.875rem;line-height:1.5;margin:0}.alert-error{background:#ef44441a;border:1px solid var(--danger-color);color:var(--danger-color)}.alert-success{background:#10b9811a;border:1px solid var(--success-color);color:var(--success-color)}.alert-info{background:#6366f11a;border:1px solid var(--primary-color);color:var(--primary-light)}.alert-warning{background:#f59e0b1a;border:1px solid var(--warning-color);color:#fbbf24}.mb-2{margin-bottom:1rem}.fade-in{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}