/**
 * Nemonic Auth - Login Page Styling
 * Branded theme with clean, modern design.
 */

/* ─── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #1F75A9;
    --color-primary-hover: #185A87;
    --color-primary-light: #E8F4F9;
    --color-danger: #dc2626;
    --color-danger-light: #fef2f2;
    --color-danger-border: #fca5a5;
    --color-success: #16a34a;
    --color-success-light: #f0fdf4;
    --color-success-border: #86efac;
    --color-bg: #f1f5f9;
    --color-card: #ffffff;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-input-bg: #f8fafc;
    --color-input-focus: #1F75A9;
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Language Switcher ─────────────────────────────────────────────────────── */
.lang-switcher {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
}

.lang-switcher select {
    padding: 0.375rem 1.375rem 0.375rem 0.5rem;
    font-size: 0.8125rem;
    font-family: var(--font-family);
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.375rem center;
    background-size: 10px;
}

.lang-switcher select:hover,
.lang-switcher select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(31, 117, 169, 0.15);
}

/* ─── Auth Container ────────────────────────────────────────────────────────── */
.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1rem;
}

/* ─── Auth Card ─────────────────────────────────────────────────────────────── */
.auth-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    padding-top: 3.5rem;
    width: 100%;
    max-width: 420px;
    position: relative;
}

.auth-card-wide {
    max-width: 520px;
}

/* ─── Header ────────────────────────────────────────────────────────────────── */
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: 0.5rem;
}

.auth-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.025em;
    margin-bottom: 0.25rem;
    line-height: 1;
}

.auth-logo-img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    width: auto;
    display: block;
    margin: 0 auto 1rem auto;
    object-fit: contain;
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.auth-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

/* ─── Dashboard ─────────────────────────────────────────────────────────────── */
.dashboard-welcome {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--color-input-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.dashboard-welcome p {
    margin-bottom: 0.25rem;
}

.dashboard-welcome p:last-child {
    margin-bottom: 0;
}

.dashboard-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-small {
    font-size: 0.8rem;
}

/* Center text-muted elements inside auth-card */
.auth-card .text-muted {
    text-align: center;
}

/* Center the label in the TOTP verification form (enable-2fa step 2) */
#totpForm .form-group label {
    text-align: center;
}

/* ─── Alerts ────────────────────────────────────────────────────────────────── */
.auth-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.auth-alert-error {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.auth-alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

/* ─── Form ──────────────────────────────────────────────────────────────────── */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-input-focus);
    box-shadow: 0 0 0 3px rgba(31, 117, 169, 0.15);
    background-color: var(--color-card);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.input-centered {
    text-align: center;
    font-size: 1.5rem !important;
    letter-spacing: 0.5em;
    font-weight: 600;
}

/* ─── Checkbox & Row Layout ─────────────────────────────────────────────────── */
.form-group-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-outline {
    background-color: #ffffff;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-full {
    width: 100%;
}

/* ─── Links ─────────────────────────────────────────────────────────────────── */
.auth-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.auth-footer-links {
    text-align: center;
    margin-top: 1.5rem;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ─── RTL Support (Arabic) ──────────────────────────────────────────────────── */
[dir="rtl"] .form-group-row {
    flex-direction: row-reverse;
}

[dir="rtl"] .checkbox-label {
    flex-direction: row-reverse;
}

[dir="rtl"] .lang-switcher {
    right: auto;
    left: 1rem;
}

[dir="rtl"] .btn-loading::after {
    margin-left: 0;
    margin-right: 0.5rem;
}

/* ─── Non-Latin Text Support (Centering) ───────────────────────────────────── */
/* Ensure proper centering for non-Latin scripts (Cyrillic, Arabic, CJK, etc.) */
.auth-card {
    text-align: center;
}

/* Restore left alignment for form elements where needed */
.auth-form {
    text-align: left;
}

[dir="rtl"] .auth-form {
    text-align: right;
}

.form-group,
.auth-footer-links {
    text-align: inherit;
}

/* Language switcher include support */
.language-switcher {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
}

.language-switcher select {
    padding: 0.375rem 1.375rem 0.375rem 0.5rem;
    font-size: 0.8125rem;
    font-family: var(--font-family);
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.375rem center;
    background-size: 10px;
}

.language-switcher select:hover,
.language-switcher select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(31, 117, 169, 0.15);
}

[dir="rtl"] .language-switcher {
    right: auto;
    left: 1rem;
}

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem;
        padding-top: 2.5rem;
        border-radius: var(--radius);
    }

    .auth-logo {
        font-size: 1.75rem;
    }

    .auth-logo-img {
        max-width: 100%;
        max-height: 60px;
    }

    .auth-container {
        padding: 1rem 0.75rem;
    }

    .lang-switcher {
        top: 0.5rem;
        left: 0.5rem;
    }

    .lang-switcher select {
        font-size: 0.75rem;
        padding: 0.25rem 1.25rem 0.25rem 0.375rem;
        background-position: right 0.3rem center;
    }
}

/* ─── Loading State ─────────────────────────────────────────────────────────── */
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loading::after {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── Security Page ────────────────────────────────────────────────────────── */
.security-status {
    text-align: center;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    background-color: var(--color-input-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.status-badge-enabled {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.status-badge-disabled {
    background-color: var(--color-input-bg);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

/* ─── QR Code Display ──────────────────────────────────────────────────────── */
.qr-code-container {
    text-align: center;
    margin: 1.5rem 0;
}

.qr-code-container img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem;
    background: #ffffff;
    image-rendering: pixelated;
}

.secret-key-display {
    text-align: center;
    margin: 1rem 0;
    padding: 0.75rem;
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    word-break: break-all;
    user-select: all;
}

/* ─── Backup Codes Grid ───────────────────────────────────────────────────── */
.backup-codes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.backup-code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.375rem 0.5rem;
    text-align: center;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.backup-codes-warning {
    text-align: center;
    color: var(--color-danger);
    font-size: 0.875rem;
    font-weight: 600;
    margin: 1rem 0;
}

.backup-codes-actions {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.backup-codes-actions .btn {
    flex: 1;
}

/* ─── Confirmation Checkbox ────────────────────────────────────────────────── */
.confirm-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.confirm-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

/* ─── Security Info Text ───────────────────────────────────────────────────── */
.security-info {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* ─── Danger Button ────────────────────────────────────────────────────────── */
.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #b91c1c;
}