:root{--bg-color:#f0f4f8;--text-main:#102a43;--text-muted:#486581;--primary:#00baa6;--primary-hover:#009d8c;--surface:#fff;--surface-hover:#f8fafc;--border:#d9e2ec;--danger:#e12d39;--danger-hover:#cf1124;--warning:#f0b429;--success:#0df0bd;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--radius-md:.5rem;--radius-lg:1rem;--radius-full:9999px;--transition:all .2s ease-in-out}@media (prefers-color-scheme:dark){:root{--bg-color:#0b1120;--text-main:#f8fafc;--text-muted:#94a3b8;--surface:#1e293b;--surface-hover:#334155;--border:#334155;--primary:#00e0c6;--primary-hover:#0df0bd}}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}h1,h2,h3,h4{color:var(--text-main);font-weight:600}p{color:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.center-page{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);width:100%;max-width:420px;padding:2.5rem;animation:.4s ease-out forwards fadeUp}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-input{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-color);width:100%;color:var(--text-main);transition:var(--transition);padding:.75rem 1rem;font-size:1rem}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #00baa633}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.7;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff}@media (prefers-color-scheme:dark){.btn-primary{color:#000}}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:var(--shadow-md)}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:var(--danger-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-main);background-color:#0000}.btn-outline:hover:not(:disabled){background-color:var(--surface-hover)}.btn-block{width:100%}.alert{border-radius:var(--radius-md);margin-bottom:1.5rem;padding:1rem;font-size:.875rem}.alert-error{color:var(--danger);border:1px solid var(--danger);background-color:#e12d391a}.alert-warning{color:var(--warning);border:1px solid var(--warning);background-color:#f0b4291a}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}