/* LYOR Engine — auth surfaces (login / 2FA). Standalone; not loaded with shell.css. */
:root {
    --auth-nav-bg: #1e293b;
    --auth-nav-bg-deep: #0f172a;
    --auth-surface: #ffffff;
    --auth-text: #0f172a;
    --auth-text-muted: #64748b;
    --auth-border: #e2e8f0;
    --auth-focus-ring: #2563eb;
    --auth-card-radius: 12px;
    --auth-card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --auth-font: 'Segoe UI', system-ui, sans-serif;
}

body.auth-page {
    font-family: var(--auth-font);
    background: linear-gradient(135deg, var(--auth-nav-bg) 0%, var(--auth-nav-bg-deep) 100%);
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    color: var(--auth-text);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0.5rem;
    z-index: 2000;
    padding: 0.5rem 1rem;
    background: var(--auth-surface);
    color: var(--auth-text);
    border: 1px solid var(--auth-border);
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus,
.skip-link:focus-visible {
    left: 0.75rem;
    outline: 2px solid var(--auth-focus-ring);
    outline-offset: 2px;
}

#auth-main:focus {
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.auth-card {
    width: 100%;
    max-width: 380px;
    border: none;
    border-radius: var(--auth-card-radius);
    box-shadow: var(--auth-card-shadow);
    background: var(--auth-surface);
}

.auth-card .card-body {
    padding: 1.75rem 1.5rem;
}

.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.auth-brand-logo {
    height: 40px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.auth-brand-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--auth-text);
    line-height: 1.3;
}

.auth-brand-subtitle {
    margin: 0;
    font-size: 0.8rem;
    color: var(--auth-text-muted);
}

.auth-page-title {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.auth-page-lead {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    color: var(--auth-text-muted);
    text-align: center;
}

.auth-code-input {
    letter-spacing: 0.5em;
    font-size: 1.25rem;
    text-align: center;
}

.auth-page a:focus-visible,
.auth-page button:focus-visible,
.auth-page .btn:focus-visible,
.auth-page .form-control:focus-visible {
    outline: 2px solid var(--auth-focus-ring);
    outline-offset: 2px;
}

.auth-footer-link {
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 0;
}

.auth-footer-link a {
    color: var(--auth-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 420px) {
    body.auth-page {
        padding: 0.75rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .auth-card .card-body {
        padding: 1.25rem 1rem;
    }
}