:root {
    --bg: #0b1220;
    --surface: #111827;
    --surface-2: #1f2937;
    --border: rgba(255, 255, 255, 0.08);
    --text: #f9fafb;
    --muted: #9ca3af;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #ef4444;
    --success: #10b981;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
}

.auth-page {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        var(--dash-auth-gradient),
        var(--bg);
}

.auth-culture-bar {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-culture-label {
    color: var(--muted);
    font-size: 0.85rem;
}

.auth-culture-bar .culture-selector {
    margin-left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.auth-culture-bar .culture-selector:focus {
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.auth-culture-bar .culture-selector option {
    background: var(--surface);
    color: var(--text);
}

.auth-container {
    width: 100%;
    max-width: 520px;
}

.auth-card {
    background: var(--dash-card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.auth-card-wide {
    max-width: 760px;
    margin: 0 auto;
}

.auth-header h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
}

.auth-header p {
    margin: 0 0 24px;
    color: var(--muted);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recaptcha-field {
    display: flex;
    justify-content: center;
    margin: 8px 0;
    min-height: 78px;
}

.recaptcha-field .g-recaptcha {
    transform-origin: center center;
}

.recaptcha-field iframe {
    max-width: none !important;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label,
.form-check-label {
    font-size: 0.9rem;
    color: var(--muted);
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-check {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
}

.form-group.form-check {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 10px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 0.875rem;
}

.alert-success {
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(16, 185, 129, 0.18);
    color: var(--text);
    border: 1px solid rgba(16, 185, 129, 0.35);
    margin-bottom: 16px;
}

.alert-error {
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    margin-bottom: 16px;
}

.validation-summary,
.field-error {
    color: var(--danger);
    font-size: 0.875rem;
}

.validation-summary ul {
    margin: 0;
    padding-left: 18px;
}

.auth-footer {
    margin-top: 20px;
    text-align: center;
    color: var(--muted);
}

.auth-footer a {
    color: #93c5fd;
}

@media (max-width: 720px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}