*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--danger-color: #ef4444;--success-color: #10b981;--warning-color: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--border-color: #e5e7eb;--shadow: 0 1px 3px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:.375rem;border:none;cursor:pointer;transition:all .2s;gap:.5rem}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.input{width:100%;padding:.625rem .875rem;font-size:.875rem;border:1px solid var(--border-color);border-radius:.375rem;outline:none;transition:border-color .2s}.input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.card{background-color:var(--bg-primary);border-radius:.5rem;box-shadow:var(--shadow);padding:1.5rem}.alert{padding:.75rem 1rem;border-radius:.375rem;margin-bottom:1rem}.alert-error{background-color:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background-color:#d1fae5;color:#065f46;border:1px solid #a7f3d0}@media(max-width:768px){.container{padding:0 .5rem}.card{padding:1rem}}