/* Login / Register pages — extends styles.css */

body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-family: 'Plus Jakarta Sans', sans-serif;
    padding: 24px;
    background:
        radial-gradient(120% 80% at 85% -10%, rgba(47, 111, 237, 0.10) 0%, transparent 55%),
        radial-gradient(100% 90% at -10% 110%, rgba(26, 26, 46, 0.06) 0%, transparent 60%),
        var(--bg);
}

.auth-card {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--r-lg);
    box-shadow: 0 20px 60px -24px rgba(26, 26, 46, 0.18), 0 4px 16px rgba(26, 26, 46, 0.06);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    padding: 32px;
    width: 100%;
    max-width: 380px;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .auth-card {
        background-color: var(--surface);
        border-color: var(--line);
    }
}

.auth-card .brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--navy);
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    margin-bottom: 16px;
}

.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--navy);
    margin-bottom: 20px;
}

.auth-card .form-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--ink-2);
}

.auth-card .form-control {
    border-radius: var(--r-sm);
    border-color: var(--line);
    background-color: rgba(255, 255, 255, 0.6);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.auth-card .form-control:focus {
    border-color: var(--blue);
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 4px var(--blue-soft);
}

.auth-card .btn-primary {
    background-color: var(--blue);
    border-color: var(--blue);
    border-radius: var(--r-sm);
    font-weight: 700;
    padding: 10px;
    box-shadow: 0 8px 20px -10px rgba(47, 111, 237, 0.6);
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.auth-card .btn-primary:hover {
    background-color: #2459c4;
    border-color: #2459c4;
    transform: translateY(-1px);
    box-shadow: 0 12px 24px -10px rgba(47, 111, 237, 0.55);
}

.auth-card .btn-primary:active {
    transform: translateY(0);
}

.auth-card .btn-primary:focus-visible,
.auth-card .form-control:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

.auth-card .form-text {
    color: var(--ink-3);
    font-size: 12px;
}

body.auth-page .modal-content {
    border-radius: var(--r-lg);
    border: none;
}

body.auth-page .modal .btn-primary {
    background-color: var(--blue);
    border-color: var(--blue);
    border-radius: var(--r-sm);
    font-weight: 700;
}

body.auth-page .modal .btn-primary:hover {
    background-color: #2459c4;
    border-color: #2459c4;
}

.auth-switch {
    margin: 16px 0 0;
    font-size: 14px;
    color: var(--ink-2);
    text-align: center;
}

.auth-switch a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
    .auth-card .btn-primary {
        transition: none;
    }

    .auth-card .btn-primary:hover {
        transform: none;
    }
}