:root{--primary: #0d9488;--primary-light: #ccfbf1;--primary-dark: #0f766e;--secondary: #64748b;--background: #f8fafc;--surface: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--danger: #ef4444;--success: #22c55e;--warning: #eab308;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 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);--radius: 1rem}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}#root{max-width:100%;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.container{max-width:640px;margin:0 auto;padding:2rem 1rem;width:100%;box-sizing:border-box}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem;transition:transform .2s ease,box-shadow .2s ease}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.75rem;font-weight:600;font-size:1rem;transition:all .2s;cursor:pointer;border:none;outline:none}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-outline{background-color:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background-color:var(--primary-light)}.btn-group{display:flex;gap:1rem;margin-top:1.5rem}.btn-group .btn{flex:1}.title{font-size:1.875rem;font-weight:800;color:var(--text-main);margin-bottom:.5rem;line-height:1.2}.subtitle{color:var(--text-muted);margin-bottom:2rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease-out forwards}.text-green-600{color:var(--success)}.text-yellow-600{color:var(--warning)}.text-red-600{color:var(--danger)}.bg-green-50{background-color:#f0fdf4;border:1px solid #dcfce7}.bg-yellow-50{background-color:#fefce8;border:1px solid #fef9c3}.bg-red-50{background-color:#fef2f2;border:1px solid #fee2e2}