/* ============================================================================
 * FlowCentric Glass Theme - Business Glass Light Design System
 * ============================================================================ */

/* --------------------------------------------------------------------------
 * CSS Variables - Design Tokens
 * -------------------------------------------------------------------------- */
:root {
    color-scheme: light;
    /* Primary Colors */
    --fc-primary: #00529b;
    --fc-primary-dark: #003d73;
    --fc-primary-light: #0066cc;
    --fc-primary-hover: #003d73;

    /* Secondary Colors */
    --fc-secondary: #6c757d;
    --fc-secondary-dark: #545b62;
    --fc-secondary-light: #868e96;

    /* Accent Colors */
    --fc-accent: #17a2b8;
    --fc-success: #28a745;
    --fc-warning: #ffc107;
    --fc-danger: #dc3545;
    --fc-info: #17a2b8;

    /* Background Colors */
    --fc-bg-gradient-start: #e8f4fc;
    --fc-bg-gradient-end: #f0f7ff;
    --fc-bg-glass: rgba(255, 255, 255, 0.75);
    --fc-bg-glass-hover: rgba(255, 255, 255, 0.85);
    --fc-bg-white: #ffffff;
    --fc-bg-light: #f8f9fa;
    --fc-bg-muted: #e9ecef;

    /* Text Colors */
    --fc-text-primary: #1a365d;
    --fc-text-secondary: #4a5568;
    --fc-text-muted: #718096;
    --fc-text-light: #a0aec0;
    --fc-text-white: #ffffff;
    --fc-text-link: #00529b;

    /* Border Colors */
    --fc-border-light: rgba(255, 255, 255, 0.3);
    --fc-border-glass: rgba(255, 255, 255, 0.5);
    --fc-border-input: #ced4da;
    --fc-border-focus: #00529b;

    /* Shadow Values */
    --fc-shadow-sm: 0 2px 4px rgba(0, 82, 155, 0.08);
    --fc-shadow-md: 0 4px 12px rgba(0, 82, 155, 0.12);
    --fc-shadow-lg: 0 8px 24px rgba(0, 82, 155, 0.16);
    --fc-shadow-glass: 0 8px 32px rgba(0, 82, 155, 0.15);
    --fc-shadow-input: 0 2px 8px rgba(0, 82, 155, 0.1);

    /* Typography */
    --fc-font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fc-font-body: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fc-font-mono: 'Fira Code', 'Consolas', monospace;

    /* Font Sizes */
    --fc-text-xs: 12px;
    --fc-text-sm: 14px;
    --fc-text-base: 16px;
    --fc-text-lg: 18px;
    --fc-text-xl: 20px;
    --fc-text-2xl: 24px;
    --fc-text-3xl: 30px;
    --fc-text-4xl: 36px;

    /* Spacing - Standard 8px grid (aligned with Papyrus) */
    --fc-space-xs: 4px;
    --fc-space-sm: 8px;
    --fc-space-md: 16px;
    --fc-space-lg: 24px;
    --fc-space-xl: 32px;
    --fc-space-2xl: 48px;
    --fc-space-3xl: 64px;
    --fc-space-4xl: 80px;

    /* Border Radius */
    --fc-radius-sm: 6px;
    --fc-radius-md: 8px;
    --fc-radius-lg: 16px;
    --fc-radius-full: 9999px;

    /* Transitions */
    --fc-transition-fast: 150ms ease;
    --fc-transition-normal: 250ms ease;
    --fc-transition-slow: 350ms ease;

    /* Z-Index Scale */
    --fc-z-base: 1;
    --fc-z-dropdown: 100;
    --fc-z-modal: 200;
    --fc-z-tooltip: 300;
}

/* --------------------------------------------------------------------------
 * Base Styles
 * -------------------------------------------------------------------------- */
body {
    background-color: var(--fc-bg-gradient-start);
}

.glass-theme {
    font-family: var(--fc-font-body);
    color: var(--fc-text-primary);
    line-height: 1.6;
}

.glass-theme h1,
.glass-theme h2,
.glass-theme h3,
.glass-theme h4,
.glass-theme h5,
.glass-theme h6 {
    font-family: var(--fc-font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin: 0 0 var(--fc-space-md);
    color: var(--fc-text-primary);
}

.glass-theme h1 { font-size: var(--fc-text-4xl); }
.glass-theme h2 { font-size: var(--fc-text-3xl); }
.glass-theme h3 { font-size: var(--fc-text-2xl); }
.glass-theme h4 { font-size: var(--fc-text-xl); }
.glass-theme h5 { font-size: var(--fc-text-lg); }
.glass-theme h6 { font-size: var(--fc-text-base); }

/* --------------------------------------------------------------------------
 * Glass Background - Page Background
 * -------------------------------------------------------------------------- */
.glass-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--fc-bg-gradient-start) 0%, var(--fc-bg-gradient-end) 100%);
    position: relative;
    display: flex;
    flex-direction: column;
}

.glass-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(0, 82, 155, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 102, 204, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* --------------------------------------------------------------------------
 * Glass Card Component
 * -------------------------------------------------------------------------- */
.glass-card {
    background: var(--fc-bg-glass);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    border-radius: var(--fc-radius-lg);
    border: 1px solid var(--fc-border-glass);
    box-shadow:
        var(--fc-shadow-glass),
        0 1px 3px rgba(0, 0, 0, 0.08),
        0 12px 48px rgba(0, 82, 155, 0.12);
    padding: var(--fc-space-lg);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.glass-card-header {
    margin-bottom: var(--fc-space-lg);
    text-align: start;
}

.glass-card-title {
    font-family: var(--fc-font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--fc-text-primary);
    margin: 0 0 var(--fc-space-sm);
    text-align: start;
}

.glass-card-subtitle {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    margin: 0;
    text-align: start;
    overflow-wrap: break-word;
    word-break: break-word;
}

.glass-steps {
    padding-inline-start: 1.25rem;
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.6;
}

.glass-card-body {
    position: relative;
}

.glass-card-footer {
    margin-top: var(--fc-space-lg);
    padding-top: var(--fc-space-lg);
    border-top: 1px solid var(--fc-border-light);
}

/* Secure Badge */
.glass-card-secure-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--fc-space-xs);
    font-size: var(--fc-text-xs);
    font-weight: 600;
    color: var(--fc-text-muted);
    background: rgba(0, 82, 155, 0.08);
    border: 1px solid rgba(0, 82, 155, 0.15);
    padding: var(--fc-space-xs) var(--fc-space-sm);
    border-radius: var(--fc-radius-full);
    margin-bottom: var(--fc-space-md);
}

.glass-card-secure-badge::before {
    content: none; /* Using SVG icon instead of Font Awesome */
}

/* Badge icon */
.glass-badge-icon {
    flex-shrink: 0;
}

/* Button arrow icon */
.glass-btn-arrow {
    margin-inline-start: var(--fc-space-sm);
    transition: transform var(--fc-transition-fast);
}

.glass-btn:hover .glass-btn-arrow {
    transform: translateX(3px);
}

/* --------------------------------------------------------------------------
 * Floating Label Input Component
 * -------------------------------------------------------------------------- */
.glass-input-wrapper {
    position: relative;
    margin-bottom: var(--fc-space-md);
}

.glass-input {
    width: 100%;
    padding: 12px var(--fc-space-md);
    padding-top: 20px;
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-sm);
    color: var(--fc-text-primary, #1a365d);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
    outline: none;
    caret-color: currentColor;
    transition:
        border-color var(--fc-transition-normal),
        box-shadow var(--fc-transition-normal),
        background-color var(--fc-transition-normal);
}

.glass-input:hover {
    border-color: var(--fc-primary-light);
}

.glass-input:focus {
    border-color: var(--fc-border-focus);
    box-shadow: var(--fc-shadow-input), 0 0 0 3px rgba(0, 82, 155, 0.1);
}

.glass-input:disabled {
    background: var(--fc-bg-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.glass-input::placeholder {
    color: transparent;
}

/* Hide browser-native password reveal toggle (Edge/Chromium) */
.glass-input::-ms-reveal,
.glass-input::-ms-clear {
    display: none;
}

/* Floating Label */
.glass-input-label {
    position: absolute;
    inset-inline-start: var(--fc-space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    pointer-events: none;
    transition:
        transform var(--fc-transition-normal),
        font-size var(--fc-transition-normal),
        color var(--fc-transition-normal);
    background: transparent;
    padding: 0 var(--fc-space-xs);
}

/* Label floats when input is focused or has value */
.glass-input:focus + .glass-input-label,
.glass-input:not(:placeholder-shown) + .glass-input-label,
.glass-input:-webkit-autofill + .glass-input-label,
.glass-input-wrapper.has-value .glass-input-label {
    transform: translateY(-130%);
    font-size: 11px;
    color: var(--fc-primary);
    background: var(--fc-bg-white);
}

/* Input with icon */
.glass-input-with-icon {
    padding-inline-end: calc(var(--fc-space-md) + 36px);
}

.glass-input-icon {
    position: absolute;
    inset-inline-end: var(--fc-space-md);
    top: 50%;
    transform: translateY(-50%);
    display: none;
    background: rgba(0, 82, 155, 0.06);
    border: 1px solid var(--fc-border-input);
    border-radius: 10px;
    padding: 6px;
    color: var(--fc-text-muted);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    transition: all var(--fc-transition-fast);
}

.glass-input-wrapper.has-value .glass-input-icon,
.glass-input-wrapper:has(.glass-input:-webkit-autofill) .glass-input-icon {
    display: flex;
}

.glass-input-icon:hover {
    background: rgba(0, 82, 155, 0.12);
    border-color: var(--fc-primary-light);
    color: var(--fc-primary);
}

/* Autofill Override - Light Mode */
.glass-input:-webkit-autofill,
.glass-input:-webkit-autofill:hover,
.glass-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--fc-bg-white) inset !important;
    -webkit-text-fill-color: var(--fc-text-primary) !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Input validation states */
.glass-input-wrapper.is-valid .glass-input {
    border-color: var(--fc-success);
}

.glass-input-wrapper.is-valid .glass-input:focus {
    box-shadow: var(--fc-shadow-input), 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.glass-input-wrapper.is-invalid .glass-input {
    border-color: var(--fc-danger);
}

.glass-input-wrapper.is-invalid .glass-input:focus {
    box-shadow: var(--fc-shadow-input), 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.glass-input-error {
    font-size: var(--fc-text-xs);
    color: var(--fc-danger);
    margin-top: var(--fc-space-xs);
    display: block;
}

/* Native Blazor ValidationMessage styling */
.validation-message {
    color: var(--fc-danger);
    font-size: var(--fc-text-sm);
    padding: var(--fc-space-xs) 0;
    display: block;
}

/* --------------------------------------------------------------------------
 * Glass Button Component
 * -------------------------------------------------------------------------- */
.glass-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--fc-space-sm);
    padding: 12px var(--fc-space-lg);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--fc-radius-sm);
    cursor: pointer;
    min-height: 44px;
    transition:
        transform var(--fc-transition-fast),
        box-shadow var(--fc-transition-normal),
        background var(--fc-transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Primary Button */
.glass-btn-primary {
    background: linear-gradient(135deg, var(--fc-primary) 0%, var(--fc-primary-dark) 100%);
    color: var(--fc-text-white);
    box-shadow: var(--fc-shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--fc-shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--fc-shadow-sm);
}

/* Secondary Button */
.glass-btn-secondary {
    background: var(--fc-bg-white);
    color: var(--fc-text-primary);
    border: 1px solid var(--fc-border-input);
    box-shadow: var(--fc-shadow-sm);
}

.glass-btn-secondary:hover:not(:disabled) {
    background: var(--fc-bg-light);
    border-color: var(--fc-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--fc-shadow-md);
}

/* Outline Button */
.glass-btn-outline {
    background: transparent;
    color: var(--fc-primary);
    border: 2px solid var(--fc-primary);
}

.glass-btn-outline:hover:not(:disabled) {
    background: var(--fc-primary);
    color: var(--fc-text-white);
}

/* Ghost/Link Button */
.glass-btn-link {
    background: transparent;
    color: var(--fc-primary);
    padding: var(--fc-space-sm) var(--fc-space-md);
    box-shadow: none;
}

.glass-btn-link:hover:not(:disabled) {
    color: var(--fc-primary-dark);
    text-decoration: underline;
    transform: none;
}

/* Danger Button */
.glass-btn-danger {
    background: var(--fc-danger);
    color: var(--fc-text-white);
    border-color: var(--fc-danger);
}

.glass-btn-danger:hover:not(:disabled) {
    background: var(--fc-danger-dark, #c82333);
    border-color: var(--fc-danger-dark, #c82333);
}

/* Outline Danger variant */
.glass-btn-outline.glass-btn-danger {
    background: transparent;
    color: var(--fc-danger);
    border-color: var(--fc-danger);
}

.glass-btn-outline.glass-btn-danger:hover:not(:disabled) {
    background: var(--fc-danger);
    color: var(--fc-text-white);
}

/* Button Sizes */
.glass-btn-sm {
    padding: var(--fc-space-sm) var(--fc-space-md);
    font-size: var(--fc-text-sm);
}

.glass-btn-lg {
    padding: var(--fc-space-lg) var(--fc-space-2xl);
    font-size: var(--fc-text-lg);
}

.glass-btn-block {
    width: 100%;
}

/* Button Loading State */
.glass-btn-loading {
    color: transparent;
    pointer-events: none;
}

.glass-btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-inline-end-color: transparent;
    border-radius: 50%;
    animation: glass-btn-spin 0.75s linear infinite;
}

.glass-btn-primary.glass-btn-loading::after {
    border-color: var(--fc-text-white);
    border-inline-end-color: transparent;
}

@keyframes glass-btn-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
 * External Login Buttons
 * -------------------------------------------------------------------------- */
.glass-external-logins {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-md);
}

.glass-external-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--fc-space-md);
    padding: var(--fc-space-md) var(--fc-space-lg);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
    color: var(--fc-text-primary);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-base);
    font-weight: 500;
    cursor: pointer;
    transition:
        transform var(--fc-transition-fast),
        box-shadow var(--fc-transition-normal),
        border-color var(--fc-transition-normal);
}

.glass-external-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--fc-shadow-md);
    border-color: var(--fc-primary-light);
}

.glass-external-btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Provider-specific colors */
.glass-external-btn[data-provider="windows"] {
    border-color: #0078d4;
}

.glass-external-btn[data-provider="entra"],
.glass-external-btn[data-provider="azuread"],
.glass-external-btn[data-provider="microsoft"] {
    border-color: #0078d4;
}

.glass-external-btn[data-provider="google"] {
    border-color: #4285f4;
}

.glass-external-btn[data-provider="adfs"] {
    border-color: #0078d4;
}

/* --------------------------------------------------------------------------
 * Status Messages / Alerts
 * -------------------------------------------------------------------------- */
.glass-alert {
    padding: var(--fc-space-md) var(--fc-space-lg);
    border-radius: var(--fc-radius-md);
    background: var(--fc-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid;
    margin-bottom: var(--fc-space-lg);
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    overflow: hidden;
}

.glass-alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.glass-alert-content {
    flex: 1;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.glass-alert-title {
    font-weight: 600;
    margin-bottom: var(--fc-space-xs);
}

.glass-alert-message {
    font-size: var(--fc-text-sm);
    color: inherit;
    opacity: 0.9;
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Alert variants */
.glass-alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-color: rgba(40, 167, 69, 0.3);
    color: #155724;
}

.glass-alert-danger,
.glass-alert-error {
    background: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.3);
    color: #721c24;
}

.glass-alert-warning {
    background: rgba(255, 193, 7, 0.15);
    border-color: rgba(255, 193, 7, 0.4);
    color: #856404;
}

.glass-alert-info {
    background: rgba(23, 162, 184, 0.1);
    border-color: rgba(23, 162, 184, 0.3);
    color: #0c5460;
}

/* --------------------------------------------------------------------------
 * Checkbox & Radio (Custom)
 * -------------------------------------------------------------------------- */
.glass-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    cursor: pointer;
    margin-bottom: var(--fc-space-md);
}

.glass-checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--fc-border-input);
    border-radius: 4px;
    background: var(--fc-bg-white);
    cursor: pointer;
    position: relative;
    transition:
        border-color var(--fc-transition-fast),
        background var(--fc-transition-fast);
}

.glass-checkbox:hover {
    border-color: var(--fc-primary-light);
}

.glass-checkbox:checked {
    background: var(--fc-primary);
    border-color: var(--fc-primary);
}

.glass-checkbox:checked::after {
    content: '';
    position: absolute;
    inset-inline-start: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.glass-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 82, 155, 0.2);
}

.glass-checkbox-label {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-secondary);
    user-select: none;
}

/* --------------------------------------------------------------------------
 * Select / Dropdown
 * -------------------------------------------------------------------------- */
.glass-select-wrapper {
    position: relative;
    margin-bottom: var(--fc-space-lg);
}

.glass-select {
    width: 100%;
    padding: var(--fc-space-md);
    padding-inline-end: calc(var(--fc-space-md) + 24px);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-base);
    color: var(--fc-text-primary);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition:
        border-color var(--fc-transition-normal),
        box-shadow var(--fc-transition-normal);
}

.glass-select:hover {
    border-color: var(--fc-primary-light);
}

.glass-select:focus {
    border-color: var(--fc-border-focus);
    box-shadow: var(--fc-shadow-input), 0 0 0 3px rgba(0, 82, 155, 0.1);
}

.glass-select-wrapper::after {
    content: '';
    position: absolute;
    inset-inline-end: var(--fc-space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-inline-start: 5px solid transparent;
    border-inline-end: 5px solid transparent;
    border-top: 6px solid var(--fc-text-muted);
    pointer-events: none;
}

.glass-select-label {
    display: block;
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-secondary);
    margin-bottom: var(--fc-space-sm);
}

/* --------------------------------------------------------------------------
 * Divider / Separator
 * -------------------------------------------------------------------------- */
.glass-divider {
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    margin: var(--fc-space-xl) 0;
}

.glass-divider::before,
.glass-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--fc-border-input), transparent);
}

.glass-divider-text {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
 * Links
 * -------------------------------------------------------------------------- */
.glass-link {
    color: var(--fc-text-link);
    text-decoration: none;
    transition: color var(--fc-transition-fast);
}

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

.glass-link-muted {
    color: var(--fc-text-muted);
    font-size: var(--fc-text-sm);
}

.glass-link-muted:hover {
    color: var(--fc-text-secondary);
}

.glass-link-separator {
    color: var(--fc-muted);
    opacity: 0.5;
    margin-inline: var(--fc-space-xs);
}

/* Forgot Password Link - Right aligned below password field */
.glass-forgot-password {
    display: flex;
    justify-content: flex-end;
    margin-top: calc(-1 * var(--fc-space-sm));
    margin-bottom: var(--fc-space-sm);
}

/* --------------------------------------------------------------------------
 * Login Page - Split Layout (Branding + Form)
 * -------------------------------------------------------------------------- */
.glass-login-page {
    display: flex;
    flex-direction: row;          /* direction: rtl (from dir attr) auto-reverses to right-to-left */
    min-height: 100vh;
}

/* Branding Section */
.glass-branding-section {
    flex: 0 0 45%;
    background: linear-gradient(135deg, var(--fc-primary) 0%, var(--fc-primary-dark) 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--fc-space-2xl);
    padding-inline-start: var(--fc-space-4xl);
    overflow: hidden;
}

.glass-branding-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.glass-branding-content {
    position: relative;
    z-index: 1;
    text-align: start;
    color: var(--fc-text-white);
    max-width: 400px;
}

.glass-branding-logo {
    width: 120px;
    height: auto;
    margin-bottom: var(--fc-space-xl);
}

.glass-branding-section .glass-branding-title {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-3xl);
    font-weight: 700;
    margin-bottom: var(--fc-space-md);
    color: var(--fc-text-white);
}

.glass-branding-subtitle {
    font-size: 17px;
    opacity: 0.8;
    line-height: 1.5;
}

.glass-branding-features {
    margin-top: var(--fc-space-2xl);
    text-align: start;
}

.glass-branding-feature {
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    margin-bottom: var(--fc-space-md);
    opacity: 0.9;
}

.glass-branding-feature-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Login Section */
.glass-login-section {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--fc-space-xl);
    overflow-y: auto;
    background: linear-gradient(135deg, var(--fc-bg-gradient-start) 0%, var(--fc-bg-gradient-end) 100%);
}

.glass-login-section::-webkit-scrollbar {
    width: 0;
}

.glass-login-form-container {
    width: 100%;
    max-width: 420px;
}

.glass-login-header {
    text-align: center;
    margin-bottom: var(--fc-space-xl);
}

.glass-login-title {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-2xl);
    font-weight: 600;
    color: var(--fc-text-primary);
    margin-bottom: var(--fc-space-sm);
}

.glass-login-subtitle {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Centered Card Layout (for non-login auth pages)
 * -------------------------------------------------------------------------- */
.glass-centered-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--fc-space-xl);
    background: linear-gradient(135deg, var(--fc-bg-gradient-start) 0%, var(--fc-bg-gradient-end) 100%);
}

.glass-centered-container {
    width: 100%;
    max-width: 480px;
}

.glass-centered-container-wide {
    width: 100%;
    max-width: 720px;
}

/* --------------------------------------------------------------------------
 * Tabs (for User Management)
 * -------------------------------------------------------------------------- */
.glass-tabs {
    display: flex;
    flex-direction: row;
    gap: var(--fc-space-xl);
}

.glass-tabs-nav {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-xs);
    min-width: 200px;
    padding: var(--fc-space-md);
    background: var(--fc-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--fc-radius-lg);
    border: 1px solid var(--fc-border-glass);
}

.glass-tab-item {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    padding: var(--fc-space-md) var(--fc-space-lg);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-secondary);
    background: transparent;
    border: none;
    border-inline-start: 3px solid transparent;
    border-start-start-radius: 0;
    border-start-end-radius: var(--fc-radius-sm);
    border-end-end-radius: var(--fc-radius-sm);
    border-end-start-radius: 0;
    cursor: pointer;
    text-align: start;
    text-decoration: none;
    transition:
        background var(--fc-transition-fast),
        color var(--fc-transition-fast),
        border-color var(--fc-transition-fast),
        transform var(--fc-transition-fast);
}

.glass-tab-item:hover {
    background: rgba(0, 82, 155, 0.05);
    color: var(--fc-primary);
    border-inline-start-color: rgba(0, 82, 155, 0.3);
}

.glass-tab-item.active {
    background: var(--fc-primary);
    color: var(--fc-text-white);
    border-inline-start-color: var(--fc-primary-dark);
    font-weight: 600;
}

.glass-tab-item-icon {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
    opacity: 0.8;
}

.glass-tab-item.active .glass-tab-item-icon {
    opacity: 1;
}

.glass-tabs-content {
    flex: 1;
    min-width: 0;
    padding: var(--fc-space-lg);
    background: var(--fc-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--fc-radius-lg);
    border: 1px solid var(--fc-border-glass);
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Horizontal tabs (alternate layout) */
.glass-tabs-horizontal {
    flex-direction: column;
}

.glass-tabs-horizontal .glass-tabs-nav {
    flex-direction: row;
    min-width: unset;
    gap: var(--fc-space-sm);
}

/* --------------------------------------------------------------------------
 * Header & Footer (for management pages)
 * -------------------------------------------------------------------------- */
.glass-header {
    background: linear-gradient(135deg, var(--fc-primary) 0%, var(--fc-primary-dark) 100%);
    padding: var(--fc-space-md) var(--fc-space-xl);
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
}

.glass-header-brand {
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    color: var(--fc-text-white);
    text-decoration: none;
}

.glass-header-brand-logo {
    height: 32px;
    width: auto;
}

.glass-header-brand-text {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-lg);
    font-weight: 600;
}

.glass-header-nav {
    display: flex;
    align-items: center;
    gap: var(--fc-space-lg);
    margin-inline-start: auto;
}

.glass-header-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: var(--fc-text-sm);
    padding: var(--fc-space-sm) var(--fc-space-md);
    border-radius: var(--fc-radius-sm);
    transition: background var(--fc-transition-fast);
}

.glass-header-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--fc-text-white);
}

.glass-footer {
    text-align: center;
    padding: var(--fc-space-lg) var(--fc-space-xl);
    color: var(--fc-text-muted);
    font-size: var(--fc-text-xs);
    border-top: 1px solid var(--fc-border-light);
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: auto;
}

/* --------------------------------------------------------------------------
 * Profile Card (for user management index)
 * -------------------------------------------------------------------------- */
.glass-profile-card {
    display: flex;
    align-items: center;
    gap: var(--fc-space-xl);
    padding: var(--fc-space-xl);
    background: var(--fc-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--fc-radius-lg);
    border: 1px solid var(--fc-border-glass);
    margin-bottom: var(--fc-space-xl);
}

.glass-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--fc-primary) 0%, var(--fc-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fc-text-white);
    font-size: var(--fc-text-2xl);
    font-weight: 600;
    flex-shrink: 0;
    overflow: hidden;
}

.glass-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.glass-profile-info {
    flex: 1;
}

.glass-profile-name {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-xl);
    font-weight: 600;
    color: var(--fc-text-primary);
    margin-bottom: var(--fc-space-xs);
}

.glass-profile-email {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Error Page Styles
 * -------------------------------------------------------------------------- */
.glass-error-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(220, 53, 69, 0.1);
    color: var(--fc-danger);
}

.glass-error-title {
    text-align: center;
    color: var(--fc-text-primary);
    margin-bottom: var(--fc-space-md);
}

.glass-error-message {
    text-align: center;
    color: var(--fc-text-muted);
    margin-bottom: var(--fc-space-xl);
}

.glass-error-details {
    max-height: 400px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--fc-radius-sm);
    padding: var(--fc-space-md);
    font-family: var(--fc-font-mono);
    font-size: var(--fc-text-sm);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    text-align: start;
}

/* --------------------------------------------------------------------------
 * QR Code Display (for 2FA)
 * -------------------------------------------------------------------------- */
.glass-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--fc-space-xl);
    background: var(--fc-bg-white);
    border-radius: var(--fc-radius-md);
    border: 1px solid var(--fc-border-input);
    margin: var(--fc-space-lg) 0;
}

.glass-qr-code {
    padding: var(--fc-space-md);
    background: var(--fc-bg-white);
    border-radius: var(--fc-radius-sm);
}

.glass-qr-instructions {
    margin-top: var(--fc-space-md);
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    text-align: center;
}

/* Recovery Codes Grid */
.glass-recovery-codes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--fc-space-sm);
    padding: var(--fc-space-lg);
    background: var(--fc-bg-light);
    border-radius: var(--fc-radius-md);
    font-family: var(--fc-font-mono);
    font-size: var(--fc-text-sm);
}

.glass-recovery-code {
    padding: var(--fc-space-sm) var(--fc-space-md);
    background: var(--fc-bg-white);
    border-radius: var(--fc-radius-sm);
    text-align: center;
    border: 1px solid var(--fc-border-input);
}

/* --------------------------------------------------------------------------
 * Card Header Tabs - Inline horizontal tabs for context switching
 * -------------------------------------------------------------------------- */
.glass-card-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--fc-space-lg);
    border-bottom: 1px solid var(--fc-border-input);
}

.glass-card-tab {
    flex: 1;
    padding: var(--fc-space-sm) var(--fc-space-md);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--fc-transition-fast);
    text-align: center;
}

.glass-card-tab:hover {
    color: var(--fc-text-primary);
    background: rgba(0, 82, 155, 0.04);
}

.glass-card-tab.active {
    color: var(--fc-primary);
    border-bottom-color: var(--fc-primary);
    font-weight: 600;
}

/* Tab content panels */
.glass-tab-panel {
    display: none;
}

.glass-tab-panel.active {
    display: block;
}

/* --------------------------------------------------------------------------
 * Language Selector - Button Dropdown Style
 * -------------------------------------------------------------------------- */
.glass-language-selector {
    position: relative;
    display: inline-block;
    width: 100%;
}

/* Language Button */
.glass-language-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: var(--fc-space-md);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
    color: var(--fc-text-primary);
    font-family: var(--fc-font-body);
    font-size: var(--fc-text-base);
    font-weight: 400;
    cursor: pointer;
    transition: border-color var(--fc-transition-normal),
                box-shadow var(--fc-transition-normal),
                background-color var(--fc-transition-normal);
}

.glass-language-button:hover {
    border-color: var(--fc-primary-light);
}

.glass-language-button:focus {
    border-color: var(--fc-border-focus);
    box-shadow: var(--fc-shadow-input), 0 0 0 3px rgba(0, 82, 155, 0.1);
    outline: none;
}

.glass-language-button i {
    font-size: 18px;
    color: var(--fc-text-muted);
}

.glass-language-button .glass-language-chevron {
    margin-inline-start: 4px;
    transition: transform 0.2s ease;
}

.glass-language-button.open .glass-language-chevron {
    transform: rotate(180deg);
}

/* Language Dropdown Popup */
.glass-language-dropdown-popup {
    position: absolute;
    top: 100%;
    inset-inline-start: 0;
    transform: none;
    margin-top: 8px;
    min-width: 180px;
    background: var(--fc-bg-white);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 14px;
    border: 1.5px solid var(--fc-border-input);
    box-shadow: 0 12px 40px rgba(0, 82, 155, 0.15), 0 4px 12px rgba(0, 82, 155, 0.1);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: var(--fc-z-dropdown);
}

.glass-language-dropdown-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Language Option */
.glass-language-option {
    /* Button resets for semantic button element */
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    /* Layout and appearance */
    display: block;
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-secondary);
    text-decoration: none;
    text-align: center;
    transition: all 0.15s ease;
}

.glass-language-option:hover {
    background: rgba(0, 82, 155, 0.08);
    color: var(--fc-primary);
}

.glass-language-option.active {
    background: rgba(0, 82, 155, 0.12);
    color: var(--fc-primary);
    font-weight: 600;
}

/* Language Selector at Bottom of Login Form */
.glass-language-selector-bottom {
    margin-top: var(--fc-space-xl);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--fc-space-sm);
}

/* Language Selector - Compact Inline (between login card and external logins) */
.glass-language-selector-inline {
    display: flex;
    justify-content: center;
    margin-top: var(--fc-space-md);
}

.glass-language-selector-inline .glass-language-selector {
    width: auto;
    min-width: 160px;
}

.glass-language-selector-inline .glass-language-button {
    padding: var(--fc-space-sm) var(--fc-space-md);
    font-size: var(--fc-text-sm);
    background: transparent;
    border: 1px solid transparent;
    justify-content: center;
    width: auto;
}

.glass-language-selector-inline .glass-language-button:hover {
    border-color: var(--fc-border-input);
}

/* Legacy styles for backwards compatibility */
.glass-language-label {
    font-size: var(--fc-text-xs);
    color: var(--fc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.glass-language-select-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.glass-language-icon {
    position: absolute;
    inset-inline-start: var(--fc-space-sm);
    font-size: var(--fc-text-base);
    color: var(--fc-text-muted);
    pointer-events: none;
    z-index: 1;
}

.glass-language-selector-bottom .glass-select {
    display: inline-block;
    width: auto;
    min-width: 150px;
    padding: var(--fc-space-sm) var(--fc-space-lg);
    padding-inline-end: calc(var(--fc-space-lg) + 16px);
    font-size: var(--fc-text-sm);
    background: transparent;
    border: 1px solid var(--fc-border-input);
    text-align: center;
    text-align-last: center;
}

.glass-language-selector-bottom .glass-select.glass-select-with-icon {
    padding-inline-start: calc(var(--fc-space-sm) + 24px);
}

.glass-language-selector-bottom .glass-select:hover {
    border-color: var(--fc-primary-light);
}

/* Compact Select Variant */
.glass-select-compact {
    padding: var(--fc-space-sm) var(--fc-space-md);
    padding-inline-end: calc(var(--fc-space-md) + 20px);
    font-size: var(--fc-text-sm);
}

/* --------------------------------------------------------------------------
 * Utilities
 * -------------------------------------------------------------------------- */
.glass-text-center { text-align: center; }
.glass-text-start { text-align: start; }
.glass-text-end { text-align: end; }

.glass-mt-sm { margin-top: var(--fc-space-sm); }
.glass-mt-md { margin-top: var(--fc-space-md); }
.glass-mt-lg { margin-top: var(--fc-space-lg); }
.glass-mt-xl { margin-top: var(--fc-space-xl); }

.glass-mb-sm { margin-bottom: var(--fc-space-sm); }
.glass-mb-md { margin-bottom: var(--fc-space-md); }
.glass-mb-lg { margin-bottom: var(--fc-space-lg); }
.glass-mb-xl { margin-bottom: var(--fc-space-xl); }

.glass-flex { display: flex; }
.glass-flex-col { flex-direction: column; }
.glass-items-center { align-items: center; }
.glass-justify-center { justify-content: center; }
.glass-justify-between { justify-content: space-between; }
.glass-gap-sm { gap: var(--fc-space-sm); }
.glass-gap-md { gap: var(--fc-space-md); }
.glass-gap-lg { gap: var(--fc-space-lg); }

.glass-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.glass-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
 * Mobile Navigation - Hamburger + Slideover
 * Activates at ≤768px. Replaces header-nav and tabs-nav with a unified
 * slide-out panel. Uses body.glass-nav-open to toggle state.
 * ========================================================================== */

/* --- Hamburger Button (hidden on desktop) --- */
.glass-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: var(--fc-space-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--fc-radius-sm);
    cursor: pointer;
    transition: background var(--fc-transition-fast);
}

.glass-hamburger:hover {
    background: rgba(255, 255, 255, 0.2);
}

.glass-hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--fc-text-white);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger → X animation */
body.glass-nav-open .glass-hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.glass-nav-open .glass-hamburger-line:nth-child(2) {
    opacity: 0;
}
body.glass-nav-open .glass-hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Slideover Panel --- */
.glass-slideover {
    display: none;
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: 280px;
    max-width: 85vw;
    flex-direction: column;
    background: var(--fc-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-inline-end: 1px solid var(--fc-border-glass);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

[dir="rtl"] .glass-slideover {
    transform: translateX(100%);
}

body.glass-nav-open .glass-slideover {
    transform: translateX(0);
}

/* --- Backdrop Overlay --- */
.glass-slideover-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

body.glass-nav-open .glass-slideover-backdrop {
    opacity: 1;
    pointer-events: auto;
}

/* Prevent background scroll when slideover is open */
body.glass-nav-open {
    overflow: hidden;
}

/* --- Slideover Inner Components --- */
.glass-slideover-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--fc-space-lg);
    border-block-end: 1px solid var(--fc-border-light);
    flex-shrink: 0;
}

.glass-slideover-title {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-lg);
    font-weight: 600;
    color: var(--fc-text-primary);
}

.glass-slideover-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--fc-radius-sm);
    color: var(--fc-text-secondary);
    cursor: pointer;
    transition: background var(--fc-transition-fast), color var(--fc-transition-fast);
}

.glass-slideover-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--fc-text-primary);
}

.glass-slideover-header-actions {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
}

/* Match toggle to close button size/aesthetic inside slideover */
.glass-slideover-header .glass-theme-toggle {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--fc-text-secondary);
}

.glass-slideover-header .glass-theme-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-slideover-header .glass-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
}

.glass-slideover-user {
    padding: var(--fc-space-md) var(--fc-space-lg);
    border-block-end: 1px solid var(--fc-border-light);
    flex-shrink: 0;
}

.glass-slideover-greeting {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-secondary);
}

.glass-slideover-nav {
    flex: 1;
    padding: var(--fc-space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-xs);
    overflow-y: auto;
}

.glass-slideover-item {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    padding: var(--fc-space-md) var(--fc-space-lg);
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-secondary);
    text-decoration: none;
    border-radius: var(--fc-radius-sm);
    transition: background var(--fc-transition-fast), color var(--fc-transition-fast);
}

.glass-slideover-item:hover {
    background: rgba(0, 82, 155, 0.05);
    color: var(--fc-primary);
}

.glass-slideover-item.active {
    background: var(--fc-primary);
    color: var(--fc-text-white);
    font-weight: 600;
}

.glass-slideover-item-icon {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
    opacity: 0.8;
}

.glass-slideover-item.active .glass-slideover-item-icon {
    opacity: 1;
}

.glass-slideover-footer {
    padding: var(--fc-space-md) var(--fc-space-lg);
    border-block-start: 1px solid var(--fc-border-light);
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-sm);
    flex-shrink: 0;
}

.glass-slideover-logoff {
    color: var(--fc-danger);
}

.glass-slideover-logoff:hover {
    background: rgba(220, 53, 69, 0.05);
    color: var(--fc-danger);
}

/* --- Dark Mode --- */
[data-theme="dark"] .glass-hamburger {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .glass-hamburger:hover {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .glass-slideover {
    background: var(--fc-bg-glass);
    border-inline-end-color: var(--fc-border-glass);
}

[data-theme="dark"] .glass-slideover-close:hover {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .glass-slideover-item:hover {
    background: rgba(0, 153, 255, 0.08);
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-slideover-item.active {
    background: var(--fc-primary);
    color: #0a0e14;
}

[data-theme="dark"] .glass-slideover-logoff {
    color: var(--fc-danger);
}

[data-theme="dark"] .glass-slideover-logoff:hover {
    background: rgba(220, 53, 69, 0.08);
}

[data-theme="dark"] .glass-slideover-backdrop {
    background: rgba(0, 0, 0, 0.7);
}

/* --- RTL Support --- */
[dir="rtl"] .glass-slideover-header {
    flex-direction: row-reverse;
}

/* --------------------------------------------------------------------------
 * Responsive Breakpoints
 * -------------------------------------------------------------------------- */
@media (max-width: 1400px) {
    .glass-branding-section {
        flex: 0 0 38%;
    }
}

@media (max-width: 1250px) {
    .glass-branding-section {
        flex: 0 0 35%;
        padding: var(--fc-space-xl);
        padding-inline-start: var(--fc-space-xl);
    }

    .glass-branding-logo {
        width: 80px;
        margin-bottom: var(--fc-space-md);
    }

    .glass-branding-section .glass-branding-title {
        font-size: var(--fc-text-2xl);
    }

    .glass-branding-subtitle {
        font-size: var(--fc-text-sm);
    }

    .glass-branding-features {
        display: none;
    }
}

@media (max-width: 992px) {
    /* Show hamburger, hide desktop nav + tabs, enable slideover */
    .glass-hamburger {
        display: flex;
    }

    .glass-header-nav {
        display: none;
    }

    .glass-tabs-nav {
        display: none;
    }

    .glass-slideover {
        display: flex;
    }

    .glass-slideover-backdrop {
        display: block;
    }

    /* Login page: switch to column stack */
    .glass-login-page {
        flex-direction: column;
    }

    .glass-branding-section {
        flex: 0 0 auto;
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    :root {
        --fc-space-xl: 24px;
        --fc-space-2xl: 32px;
    }

    .glass-branding-section {
        display: none;
    }

    .glass-login-section {
        padding: var(--fc-space-lg);
    }

    .glass-card {
        padding: var(--fc-space-lg);
    }

    .glass-profile-card {
        flex-direction: column;
        text-align: center;
    }

    /* Language Dropdown - Tablet */
    .glass-language-button {
        padding: var(--fc-space-sm) var(--fc-space-sm);
        font-size: var(--fc-text-sm);
        gap: var(--fc-space-sm);
    }

    .glass-language-dropdown-popup {
        min-width: 160px;
        margin-top: var(--fc-space-sm);
    }

    .glass-language-option {
        padding: var(--fc-space-sm) var(--fc-space-sm);
    }

    /* Header - reduce spacing */
    .glass-header {
        padding: var(--fc-space-md) var(--fc-space-lg);
    }

    .glass-header-brand-text {
        font-size: var(--fc-text-base);
    }

    /* Main content - reduce padding */
    .glass-manage-main {
        padding: var(--fc-space-md);
    }

    /* Heading sizes - reduce for tablet/mobile */
    .glass-theme h1 { font-size: var(--fc-text-2xl); }
    .glass-theme h2 { font-size: var(--fc-text-xl); }
    .glass-theme h3 { font-size: var(--fc-text-lg); }
}

@media (max-width: 576px) {
    .glass-centered-page {
        padding: var(--fc-space-md);
    }

    .glass-card {
        padding: var(--fc-space-md);
        border-radius: var(--fc-radius-md);
    }

    .glass-btn {
        padding: var(--fc-space-sm) var(--fc-space-md);
    }

    .glass-recovery-codes {
        grid-template-columns: 1fr;
    }

    /* Language Dropdown - Mobile */
    .glass-language-button {
        padding: var(--fc-space-sm) var(--fc-space-sm);
        gap: var(--fc-space-xs);
    }

    .glass-language-button i {
        font-size: var(--fc-text-base);
    }

    .glass-language-dropdown-popup {
        min-width: 150px;
        max-height: 250px;
        overflow-y: auto;
    }

    /* Header - compact mobile */
    .glass-header {
        padding: var(--fc-space-sm) var(--fc-space-md);
        gap: var(--fc-space-sm);
    }

    .glass-header-brand-text {
        font-size: var(--fc-text-sm);
    }

    .glass-tabs {
        gap: var(--fc-space-md);
    }

    .glass-tabs-content {
        padding: var(--fc-space-md);
    }

    /* Passkey cards - stack vertically */
    .glass-passkey-item {
        flex-direction: column;
        align-items: stretch;
        padding: var(--fc-space-md);
    }

    .glass-passkey-actions {
        justify-content: flex-end;
        padding-block-start: var(--fc-space-sm);
        border-block-start: 1px solid var(--fc-border-light);
        margin-block-start: var(--fc-space-sm);
    }

    .glass-passkey-name {
        white-space: normal;
    }

    /* Main content - minimal padding */
    .glass-manage-main {
        padding: var(--fc-space-sm);
    }

    /* Reduce vertical spacing */
    .glass-manage-header {
        margin-block-end: var(--fc-space-md);
        padding-block-end: var(--fc-space-sm);
    }

    .glass-breadcrumb {
        margin-block-end: var(--fc-space-md);
        font-size: var(--fc-text-xs);
    }

    /* External login items - stack vertically */
    .glass-external-item {
        flex-direction: column;
        align-items: stretch;
        gap: var(--fc-space-sm);
    }

    /* Form section spacing - tighter on mobile */
    .glass-form-section {
        margin-bottom: var(--fc-space-md);
        padding-bottom: var(--fc-space-sm);
    }

    .glass-form-section-header {
        margin-bottom: var(--fc-space-md);
    }
}

/* External login buttons — horizontal on desktop widths */
@media (min-width: 769px) {
    .glass-external-logins {
        flex-direction: row;
        flex-wrap: wrap;          /* Allow wrapping to next row */
    }

    .glass-external-btn {
        flex: 1 1 auto;           /* Grow and shrink, but based on content */
        min-width: 120px;         /* Minimum button width to keep text readable */
    }
}

/* Height-responsive: tighten login layout on short viewports (1366x768 etc.) */
@media (max-height: 800px) {
    .glass-login-section {
        padding: var(--fc-space-lg);
    }

    .glass-login-form-container .glass-card {
        padding: var(--fc-space-md);
    }

    .glass-login-form-container .glass-card-header {
        margin-bottom: var(--fc-space-md);
    }

    .glass-login-form-container .glass-card-secure-badge {
        margin-bottom: var(--fc-space-sm);
    }

    .glass-login-form-container .glass-card-tabs {
        margin-bottom: var(--fc-space-md);
    }

    .glass-login-form-container .glass-card-title {
        font-size: var(--fc-text-xl);
        margin-bottom: var(--fc-space-xs);
    }

    .glass-login-form-container .glass-card-subtitle.glass-mb-lg {
        margin-bottom: var(--fc-space-md);
    }

    .glass-login-form-container .glass-divider {
        margin: var(--fc-space-md) 0;
    }

    .glass-login-form-container .glass-mt-lg {
        margin-top: var(--fc-space-md);
    }

    .glass-login-form-container .glass-language-selector-inline {
        margin-top: var(--fc-space-sm);
    }
}

/* --------------------------------------------------------------------------
 * RTL Support
 * Note: direction: rtl (set on <html> via App.razor) handles flex reordering,
 * logical property flipping, and text alignment automatically. This section
 * contains only transform-based overrides that direction: rtl does not affect.
 * -------------------------------------------------------------------------- */

/* Button arrow - Flip direction (transforms are not affected by direction: rtl) */
[dir="rtl"] .glass-btn-arrow {
    transform: scaleX(-1);
}

[dir="rtl"] .glass-btn:hover .glass-btn-arrow {
    transform: scaleX(-1) translateX(-3px);
}

/* Breadcrumb chevron - Flip arrow direction */
[dir="rtl"] .glass-breadcrumb-separator svg {
    transform: scaleX(-1);
}

/* --------------------------------------------------------------------------
 * RTL Support - Responsive Adjustments
 * -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    [dir="rtl"] .glass-profile-card {
        flex-direction: column;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
 * Form Sections (for grouping related fields)
 * -------------------------------------------------------------------------- */
.glass-form-section {
    margin-bottom: var(--fc-space-xl);
    padding-bottom: var(--fc-space-lg);
    border-bottom: 1px solid var(--fc-border-light);
}

.glass-form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.glass-form-section-header {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    margin-bottom: var(--fc-space-lg);
    padding-bottom: var(--fc-space-sm);
}

.glass-form-section-icon {
    font-size: var(--fc-text-lg);
    width: 1.25em;
    height: 1.25em;
    color: var(--fc-primary);
    flex-shrink: 0;
}

.glass-form-section-header .glass-form-section-title {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-lg);
    font-weight: 600;
    color: var(--fc-text-primary);
    margin: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.glass-form-section-subtitle {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    margin: var(--fc-space-xs) 0 0 0;
}

/* --------------------------------------------------------------------------
 * Empty State / Status Indicators
 * -------------------------------------------------------------------------- */
.glass-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--fc-space-2xl) var(--fc-space-xl);
    text-align: center;
    background: var(--fc-bg-light);
    border-radius: var(--fc-radius-md);
    border: 1px dashed var(--fc-border-input);
}

.glass-empty-state-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--fc-space-lg);
    color: var(--fc-text-muted);
    opacity: 0.6;
}

.glass-empty-state-title {
    font-family: var(--fc-font-heading);
    font-size: var(--fc-text-lg);
    font-weight: 600;
    color: var(--fc-text-primary);
    margin: 0 0 var(--fc-space-sm);
}

.glass-empty-state-message {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    margin: 0 0 var(--fc-space-lg);
    max-width: 400px;
}

/* Status Badge */
.glass-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--fc-space-sm);
    padding: var(--fc-space-sm) var(--fc-space-md);
    border-radius: var(--fc-radius-full);
    font-size: var(--fc-text-sm);
    font-weight: 500;
}

.glass-status-badge-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.glass-status-badge-enabled {
    background: rgba(40, 167, 69, 0.1);
    color: var(--fc-success);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.glass-status-badge-disabled {
    background: rgba(108, 117, 125, 0.1);
    color: var(--fc-secondary);
    border: 1px solid rgba(108, 117, 125, 0.2);
}

.glass-status-badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #856404;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

/* 2FA Status Section */
.glass-2fa-status {
    display: flex;
    align-items: center;
}

/* Info Card (for help text/tips) */
.glass-info-card {
    display: flex;
    gap: var(--fc-space-sm);
    padding: var(--fc-space-md);
    background: rgba(0, 82, 155, 0.05);
    border: 1px solid rgba(0, 82, 155, 0.1);
    border-radius: var(--fc-radius-sm);
    margin-bottom: var(--fc-space-md);
}

.glass-info-card-icon {
    width: 20px;
    height: 20px;
    color: var(--fc-primary);
    flex-shrink: 0;
    margin-top: 0;
}

.glass-info-card-content {
    flex: 1;
}

.glass-info-card-title {
    font-weight: 600;
    color: var(--fc-text-primary);
    margin: 0 0 2px;
    font-size: var(--fc-text-sm);
}

.glass-info-card-message {
    font-size: var(--fc-text-xs);
    color: var(--fc-text-secondary);
    margin: 0;
    line-height: 1.4;
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Info Card Accent Variant - For prominent guidance */
.glass-info-card--accent {
    border-inline-start: 3px solid var(--fc-primary);
    background: rgba(0, 82, 155, 0.08);
}

.glass-info-card--accent .glass-info-card-title {
    font-size: var(--fc-text-sm);
    font-weight: 600;
}

.glass-info-card--accent .glass-info-card-message {
    font-size: var(--fc-text-xs);
    line-height: 1.5;
}

.glass-info-card-actions {
    margin-top: var(--fc-space-md);
}

/* Action link with arrow */
.glass-link--action {
    display: inline-flex;
    align-items: center;
    gap: var(--fc-space-xs);
    font-weight: 600;
    font-size: 0.9375rem;
}

.glass-link--action svg {
    transition: transform 0.2s ease;
}

.glass-link--action:hover svg {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
 * Breadcrumbs
 * -------------------------------------------------------------------------- */
.glass-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
    margin-bottom: var(--fc-space-lg);
}

.glass-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
}

.glass-breadcrumb-link {
    color: var(--fc-text-muted);
    text-decoration: none;
    transition: color var(--fc-transition-fast);
}

.glass-breadcrumb-link:hover {
    color: var(--fc-primary);
}

.glass-breadcrumb-separator {
    color: var(--fc-text-light);
}

.glass-breadcrumb-current {
    color: var(--fc-text-secondary);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
 * Print Styles
 * -------------------------------------------------------------------------- */
@media print {
    .glass-branding-section,
    .glass-header,
    .glass-footer {
        display: none;
    }

    .glass-card,
    .glass-tabs-nav,
    .glass-tabs-content {
        background: white;
        backdrop-filter: none;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* ============================================================================
 * DARK MODE - Business Glass Dark Design System
 * ============================================================================ */

/* --------------------------------------------------------------------------
 * Dark Mode CSS Variables
 * -------------------------------------------------------------------------- */
[data-theme="dark"] {
    color-scheme: dark;
    /* Primary Colors - Brighter blue for dark mode */
    --fc-primary: #0099ff;
    --fc-primary-dark: #0077cc;
    --fc-primary-light: #33adff;
    --fc-primary-hover: #0088ee;

    /* Secondary Colors */
    --fc-secondary: #8b9aad;
    --fc-secondary-dark: #6b7a8d;
    --fc-secondary-light: #a0afc2;

    /* Accent Colors */
    --fc-accent: #22d3ee;
    --fc-success: #34d399;
    --fc-warning: #fbbf24;
    --fc-danger: #f87171;
    --fc-info: #22d3ee;

    /* Background Colors - Dark gradients */
    --fc-bg-gradient-start: #0a0e14;
    --fc-bg-gradient-end: #131922;
    --fc-bg-glass: rgba(20, 28, 40, 0.3);
    --fc-bg-glass-hover: rgba(25, 35, 50, 0.4);
    --fc-bg-white: #0f1419;
    --fc-bg-light: rgba(15, 22, 32, 0.5);
    --fc-bg-muted: rgba(20, 28, 40, 0.6);

    /* Text Colors - Light text for dark backgrounds */
    --fc-text-primary: #e5e9f0;
    --fc-text-secondary: #b8c4d4;
    --fc-text-muted: #94a3b8;
    --fc-text-light: #64748b;
    --fc-text-white: #ffffff;
    --fc-text-link: #0099ff;

    /* Border Colors */
    --fc-border-light: rgba(255, 255, 255, 0.08);
    --fc-border-glass: rgba(255, 255, 255, 0.1);
    --fc-border-input: rgba(255, 255, 255, 0.1);
    --fc-border-focus: #0099ff;

    /* Shadow Values - Darker, more dramatic shadows */
    --fc-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --fc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --fc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --fc-shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    --fc-shadow-input: 0 2px 8px rgba(0, 0, 0, 0.3);
    --fc-shadow-glow: 0 0 25px rgba(0, 153, 255, 0.35);
}

/* --------------------------------------------------------------------------
 * Dark Mode Base Styles
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-theme {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-theme h1,
[data-theme="dark"] .glass-theme h2,
[data-theme="dark"] .glass-theme h3,
[data-theme="dark"] .glass-theme h4,
[data-theme="dark"] .glass-theme h5,
[data-theme="dark"] .glass-theme h6 {
    color: var(--fc-text-primary);
}

/* --------------------------------------------------------------------------
 * Dark Mode Glass Background
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-bg {
    background:
        radial-gradient(circle at 80% 20%, rgba(0, 119, 204, 0.15), transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(0, 153, 255, 0.12), transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(0, 102, 204, 0.1), transparent 50%),
        linear-gradient(135deg, #0a0e14 0%, #131922 50%, #0f1419 100%);
}

[data-theme="dark"] .glass-bg::before {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(0, 153, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 119, 204, 0.08) 0%, transparent 50%);
}

/* --------------------------------------------------------------------------
 * Dark Mode Glass Card
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-card {
    background: var(--fc-bg-glass);
    border: 1.5px solid var(--fc-border-glass);
    border-top-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--fc-shadow-glass);
}

[data-theme="dark"] .glass-card::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

[data-theme="dark"] .glass-card-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-card-subtitle {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-card-footer {
    border-top-color: var(--fc-border-light);
}

/* Dark Mode Secure Badge */
[data-theme="dark"] .glass-card-secure-badge {
    background: rgba(0, 153, 255, 0.15);
    border: 1px solid rgba(0, 153, 255, 0.3);
    color: var(--fc-primary);
}

/* --------------------------------------------------------------------------
 * Dark Mode Input Component
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-input {
    background: var(--fc-bg-light);
    border: 1.5px solid var(--fc-border-input);
    color: var(--fc-text-primary, #e5e9f0);
}

[data-theme="dark"] .glass-input:hover {
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-input:focus {
    background: rgba(0, 153, 255, 0.08);
    border-color: var(--fc-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
}

[data-theme="dark"] .glass-input:disabled {
    background: var(--fc-bg-muted);
    opacity: 0.6;
}

[data-theme="dark"] .glass-input-label {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-input:focus + .glass-input-label,
[data-theme="dark"] .glass-input:not(:placeholder-shown) + .glass-input-label,
[data-theme="dark"] .glass-input:-webkit-autofill + .glass-input-label,
[data-theme="dark"] .glass-input-wrapper.has-value .glass-input-label {
    color: var(--fc-primary);
    background: var(--fc-bg-white);
}

[data-theme="dark"] .glass-input-icon {
    background: rgba(15, 22, 32, 0.6);
    border: 1px solid var(--fc-border-input);
    border-radius: 10px;
    padding: 6px;
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-input-icon:hover {
    background: rgba(0, 153, 255, 0.12);
    border-color: rgba(0, 153, 255, 0.25);
    color: var(--fc-primary);
}

/* Autofill Override - Dark Mode */
[data-theme="dark"] .glass-input:-webkit-autofill,
[data-theme="dark"] .glass-input:-webkit-autofill:hover,
[data-theme="dark"] .glass-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px rgba(15, 22, 32, 0.95) inset !important;
    -webkit-text-fill-color: var(--fc-text-primary) !important;
    border-color: var(--fc-border-input) !important;
}

/* --------------------------------------------------------------------------
 * Dark Mode Button Component
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-btn-primary {
    background: linear-gradient(135deg, var(--fc-primary-dark) 0%, var(--fc-primary) 100%);
    color: #0a0e14;
    box-shadow: var(--fc-shadow-glow);
}

[data-theme="dark"] .glass-btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 35px rgba(0, 153, 255, 0.5);
}

[data-theme="dark"] .glass-btn-secondary {
    background: var(--fc-bg-light);
    color: var(--fc-text-primary);
    border: 1.5px solid var(--fc-border-input);
}

[data-theme="dark"] .glass-btn-secondary:hover:not(:disabled) {
    background: rgba(0, 153, 255, 0.08);
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-btn-outline {
    color: var(--fc-primary);
    border-color: var(--fc-primary);
}

[data-theme="dark"] .glass-btn-outline:hover:not(:disabled) {
    background: var(--fc-primary);
    color: #0a0e14;
}

[data-theme="dark"] .glass-btn-link {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-btn-link:hover:not(:disabled) {
    color: var(--fc-primary-light);
}

[data-theme="dark"] .glass-btn-danger {
    background: var(--fc-danger);
    color: var(--fc-text-white);
    border-color: var(--fc-danger);
}

[data-theme="dark"] .glass-btn-danger:hover:not(:disabled) {
    background: #c82333;
    border-color: #c82333;
}

[data-theme="dark"] .glass-btn-outline.glass-btn-danger {
    background: transparent;
    color: var(--fc-danger);
    border-color: var(--fc-danger);
}

[data-theme="dark"] .glass-btn-outline.glass-btn-danger:hover:not(:disabled) {
    background: var(--fc-danger);
    color: var(--fc-text-white);
}

[data-theme="dark"] .glass-btn-primary.glass-btn-loading::after {
    border-color: #0a0e14;
    border-inline-end-color: transparent;
}

/* --------------------------------------------------------------------------
 * Dark Mode External Login Buttons
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-external-btn {
    background: rgba(15, 22, 32, 0.6);
    border: 1.5px solid var(--fc-border-input);
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-external-btn:hover {
    background: rgba(0, 153, 255, 0.08);
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-external-btn[data-provider="windows"] {
    border-color: rgba(0, 153, 255, 0.3);
}

[data-theme="dark"] .glass-external-btn[data-provider="windows"] .glass-external-btn-icon {
    color: #0099ff;
}

/* --------------------------------------------------------------------------
 * Dark Mode Alerts
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-alert {
    background: var(--fc-bg-glass);
}

[data-theme="dark"] .glass-alert-success {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.3);
    color: #34d399;
}

[data-theme="dark"] .glass-alert-danger,
[data-theme="dark"] .glass-alert-error {
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.3);
    color: #f87171;
}

[data-theme="dark"] .glass-alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.3);
    color: #fbbf24;
}

[data-theme="dark"] .glass-alert-info {
    background: rgba(34, 211, 238, 0.1);
    border-color: rgba(34, 211, 238, 0.3);
    color: #22d3ee;
}

/* --------------------------------------------------------------------------
 * Dark Mode Checkbox & Select
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-checkbox {
    border-color: var(--fc-border-input);
    background: var(--fc-bg-light);
}

[data-theme="dark"] .glass-checkbox:hover {
    border-color: rgba(0, 153, 255, 0.4);
}

[data-theme="dark"] .glass-checkbox:checked {
    background: var(--fc-primary);
    border-color: var(--fc-primary);
}

[data-theme="dark"] .glass-checkbox:focus {
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.2);
}

[data-theme="dark"] .glass-checkbox-label {
    color: var(--fc-text-secondary);
}

[data-theme="dark"] .glass-select {
    background: var(--fc-bg-light);
    border-color: var(--fc-border-input);
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-select:hover {
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-select:focus {
    background: rgba(0, 153, 255, 0.08);
    border-color: var(--fc-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
}

[data-theme="dark"] .glass-select-label {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-select-wrapper::after {
    border-top-color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Dark Mode Divider
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-divider::before,
[data-theme="dark"] .glass-divider::after {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

[data-theme="dark"] .glass-divider-text {
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Dark Mode Links
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-link {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-link:hover {
    color: var(--fc-primary-light);
}

[data-theme="dark"] .glass-link-muted {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-link-muted:hover {
    color: var(--fc-text-secondary);
}

/* --------------------------------------------------------------------------
 * Dark Mode Login Page
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-branding-section {
    background: linear-gradient(135deg, #0a1420 0%, #0d1925 100%);
}

[data-theme="dark"] .glass-branding-canvas {
    opacity: 0.3;
}

[data-theme="dark"] .glass-branding-title {
    color: var(--fc-text-white);
}

[data-theme="dark"] .glass-branding-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .glass-branding-feature {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .glass-login-section {
    background:
        radial-gradient(circle at 80% 20%, rgba(0, 119, 204, 0.15), transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(0, 153, 255, 0.12), transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(0, 102, 204, 0.1), transparent 50%),
        linear-gradient(135deg, #0a0e14 0%, #131922 50%, #0f1419 100%);
}

[data-theme="dark"] .glass-login-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-login-subtitle {
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Dark Mode Centered Page
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-centered-page {
    background:
        radial-gradient(circle at 80% 20%, rgba(0, 119, 204, 0.15), transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(0, 153, 255, 0.12), transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(0, 102, 204, 0.1), transparent 50%),
        linear-gradient(135deg, #0a0e14 0%, #131922 50%, #0f1419 100%);
}

/* --------------------------------------------------------------------------
 * Dark Mode Tabs
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-tabs-nav {
    background: var(--fc-bg-glass);
    border-color: var(--fc-border-glass);
}

[data-theme="dark"] .glass-tab-item {
    color: var(--fc-text-secondary);
    border-inline-start-color: transparent;
}

[data-theme="dark"] .glass-tab-item:hover {
    background: rgba(0, 153, 255, 0.08);
    color: var(--fc-primary);
    border-inline-start-color: rgba(0, 153, 255, 0.4);
}

[data-theme="dark"] .glass-tab-item.active {
    background: var(--fc-primary);
    color: #0a0e14;
    border-inline-start-color: var(--fc-primary-light);
}

[data-theme="dark"] .glass-tabs-content {
    background: var(--fc-bg-glass);
    border-color: var(--fc-border-glass);
}

/* --------------------------------------------------------------------------
 * Dark Mode Header & Footer
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-header {
    background: linear-gradient(135deg, #0a1420 0%, #0d1925 100%);
}

[data-theme="dark"] .glass-header-link {
    color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .glass-header-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--fc-text-white);
}

[data-theme="dark"] .glass-footer {
    color: var(--fc-text-muted);
    border-top-color: var(--fc-border-light);
    background: rgba(15, 22, 32, 0.5);
}

/* --------------------------------------------------------------------------
 * Dark Mode Profile Card
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-profile-card {
    background: var(--fc-bg-glass);
    border-color: var(--fc-border-glass);
}

[data-theme="dark"] .glass-avatar {
    background: linear-gradient(135deg, var(--fc-primary-dark) 0%, var(--fc-primary) 100%);
}

[data-theme="dark"] .glass-profile-name {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-profile-email {
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Dark Mode Error Icon
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-error-icon {
    background: rgba(248, 113, 113, 0.1);
    color: #f87171;
}

[data-theme="dark"] .glass-error-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-error-message {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-error-details {
    background: rgba(255, 255, 255, 0.05);
}

/* --------------------------------------------------------------------------
 * Dark Mode QR Code & Recovery Codes
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-qr-container {
    background: var(--fc-bg-light);
    border-color: var(--fc-border-input);
}

[data-theme="dark"] .glass-qr-code {
    background: #ffffff;
}

[data-theme="dark"] .glass-qr-instructions {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-recovery-codes {
    background: var(--fc-bg-light);
}

[data-theme="dark"] .glass-recovery-code {
    background: var(--fc-bg-muted);
    border-color: var(--fc-border-input);
    color: var(--fc-text-primary);
}

/* --------------------------------------------------------------------------
 * Dark Mode Form Sections
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-form-section {
    border-bottom-color: var(--fc-border-light);
}

[data-theme="dark"] .glass-form-section-icon {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-form-section-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-form-section-subtitle {
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Dark Mode Empty State & Status Indicators
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-empty-state {
    background: var(--fc-bg-light);
    border-color: var(--fc-border-input);
}

[data-theme="dark"] .glass-empty-state-icon {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-empty-state-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-empty-state-message {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-status-badge-enabled {
    background: rgba(52, 211, 153, 0.15);
    color: var(--fc-success);
    border-color: rgba(52, 211, 153, 0.3);
}

[data-theme="dark"] .glass-status-badge-disabled {
    background: rgba(148, 163, 184, 0.15);
    color: var(--fc-text-muted);
    border-color: rgba(148, 163, 184, 0.3);
}

[data-theme="dark"] .glass-status-badge-warning {
    background: rgba(251, 191, 36, 0.15);
    color: var(--fc-warning);
    border-color: rgba(251, 191, 36, 0.3);
}

[data-theme="dark"] .glass-info-card {
    background: rgba(0, 153, 255, 0.08);
    border-color: rgba(0, 153, 255, 0.15);
}

[data-theme="dark"] .glass-info-card-icon {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-info-card-title {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-info-card-message {
    color: var(--fc-text-secondary);
}

[data-theme="dark"] .glass-info-card--accent {
    border-inline-start-color: var(--fc-primary);
    background: rgba(0, 153, 255, 0.12);
}

/* --------------------------------------------------------------------------
 * Dark Mode Breadcrumbs
 * -------------------------------------------------------------------------- */
[data-theme="dark"] .glass-breadcrumb {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-breadcrumb-link {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-breadcrumb-link:hover {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-breadcrumb-separator {
    color: var(--fc-text-light);
}

[data-theme="dark"] .glass-breadcrumb-current {
    color: var(--fc-text-secondary);
}

/* --------------------------------------------------------------------------
 * Dark Mode Language Selector
 * -------------------------------------------------------------------------- */
/* Dark Mode Language Button */
[data-theme="dark"] .glass-language-button {
    background: var(--fc-bg-light);
    border: 1.5px solid var(--fc-border-input);
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-language-button:hover {
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-language-button:focus {
    background: rgba(0, 153, 255, 0.08);
    border-color: var(--fc-primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
}

[data-theme="dark"] .glass-language-button i {
    color: var(--fc-text-muted);
}

/* Dark Mode Language Dropdown Popup */
[data-theme="dark"] .glass-language-dropdown-popup {
    background: rgba(20, 28, 40, 0.98);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Dark Mode Language Option */
[data-theme="dark"] .glass-language-option {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-language-option:hover {
    background: rgba(0, 153, 255, 0.2);
    color: var(--fc-primary-light);
}

[data-theme="dark"] .glass-language-option.active {
    background: rgba(0, 153, 255, 0.15);
    color: var(--fc-primary);
}

/* Legacy dark mode styles */
[data-theme="dark"] .glass-language-current {
    background: var(--fc-bg-light);
    border-color: var(--fc-border-input);
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-language-current:hover {
    background: rgba(0, 153, 255, 0.08);
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-language-dropdown {
    background: rgba(20, 28, 40, 0.98);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Dark Mode Language Selector at Bottom */
[data-theme="dark"] .glass-language-label {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-language-icon {
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-language-selector-bottom .glass-select {
    background: transparent;
    border-color: var(--fc-border-input);
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-language-selector-bottom .glass-select:hover {
    border-color: rgba(0, 153, 255, 0.25);
}

[data-theme="dark"] .glass-language-selector-inline .glass-language-button {
    background: transparent;
    border-color: transparent;
    color: var(--fc-text-muted);
}

[data-theme="dark"] .glass-language-selector-inline .glass-language-button:hover {
    border-color: var(--fc-border-input);
}

/* --------------------------------------------------------------------------
 * Theme Selector Dropdown
 * -------------------------------------------------------------------------- */
.glass-theme-selector {
    position: relative;
    display: inline-block;
}

/* Theme Button */
.glass-theme-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--fc-bg-glass);
    border: 1px solid var(--fc-border-glass);
    border-radius: var(--fc-radius-sm);
    cursor: pointer;
    transition: all var(--fc-transition-fast);
    color: var(--fc-text-secondary);
    padding: 0;
}

.glass-theme-button:hover {
    background: var(--fc-bg-glass-hover);
    border-color: var(--fc-primary-light);
    color: var(--fc-primary);
}

.glass-theme-button:focus {
    border-color: var(--fc-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 82, 155, 0.1);
    outline: none;
}

.glass-theme-button svg {
    width: 20px;
    height: 20px;
}

/* Button icon visibility — driven by data-theme-preference on <html> */
.glass-theme-button .icon-sun,
.glass-theme-button .icon-moon,
.glass-theme-button .icon-monitor {
    display: none;
}

[data-theme-preference="light"] .glass-theme-button .icon-sun { display: block; }
[data-theme-preference="dark"] .glass-theme-button .icon-moon { display: block; }
[data-theme-preference="system"] .glass-theme-button .icon-monitor { display: block; }

/* Theme Dropdown */
.glass-theme-dropdown {
    position: absolute;
    top: 100%;
    inset-inline-end: 0;
    margin-top: 8px;
    min-width: 150px;
    background: var(--fc-bg-white);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 14px;
    border: 1.5px solid var(--fc-border-input);
    box-shadow: 0 12px 40px rgba(0, 82, 155, 0.15), 0 4px 12px rgba(0, 82, 155, 0.1);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: var(--fc-z-dropdown);
}

.glass-theme-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Theme Option */
.glass-theme-option {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: var(--fc-text-sm);
    font-weight: 500;
    color: var(--fc-text-secondary);
    text-decoration: none;
    text-align: start;
    transition: all 0.15s ease;
}

.glass-theme-option svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.glass-theme-option:hover {
    background: rgba(0, 82, 155, 0.08);
    color: var(--fc-primary);
}

/* Active state — CSS-only via data-theme-preference attribute */
[data-theme-preference="light"] .glass-theme-option[data-value="light"],
[data-theme-preference="dark"] .glass-theme-option[data-value="dark"],
[data-theme-preference="system"] .glass-theme-option[data-value="system"] {
    background: rgba(0, 82, 155, 0.12);
    color: var(--fc-primary);
    font-weight: 600;
}

/* Dark Mode Theme Dropdown */
[data-theme="dark"] .glass-theme-dropdown {
    background: rgba(20, 28, 40, 0.98);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .glass-theme-option {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-theme-option:hover {
    background: rgba(0, 153, 255, 0.2);
    color: var(--fc-primary-light);
}

[data-theme-preference="light"][data-theme="dark"] .glass-theme-option[data-value="light"],
[data-theme-preference="dark"][data-theme="dark"] .glass-theme-option[data-value="dark"],
[data-theme-preference="system"][data-theme="dark"] .glass-theme-option[data-value="system"] {
    background: rgba(0, 153, 255, 0.15);
    color: var(--fc-primary);
}

/* --------------------------------------------------------------------------
 * Theme Toggle Container
 * -------------------------------------------------------------------------- */
.glass-theme-toggle-container {
    position: absolute;
    top: var(--fc-space-lg, 1.5rem);
    inset-inline-end: var(--fc-space-lg, 1.5rem);
    z-index: 100;
}

@media (max-width: 768px) {
    .glass-theme-toggle-container {
        top: var(--fc-space-md, 1rem);
        inset-inline-end: var(--fc-space-md, 1rem);
    }

    .glass-theme-dropdown {
        min-width: 140px;
    }
}

/* --------------------------------------------------------------------------
 * Manage Layout Styles
 * -------------------------------------------------------------------------- */
.glass-manage-main {
    flex: 1;
    padding: var(--fc-space-xl);
}

.glass-manage-container {
    max-width: 1200px;
    margin: 0 auto;
}

.glass-manage-header {
    margin-bottom: var(--fc-space-xl);
    padding-bottom: var(--fc-space-lg);
    border-bottom: 1px solid var(--fc-border-light);
}

.glass-manage-header .glass-card-title {
    margin-bottom: var(--fc-space-xs);
}

/* --------------------------------------------------------------------------
 * Manage Page Content Width
 * -------------------------------------------------------------------------- */
.glass-manage-content {
    max-width: 600px;
}

.glass-manage-content--narrow {
    max-width: 500px;
}

/* --------------------------------------------------------------------------
 * Form Layout (Consolidated)
 * -------------------------------------------------------------------------- */
.glass-form {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-md);
}

.glass-form--narrow {
    max-width: 350px;
}

/* --------------------------------------------------------------------------
 * Password Requirements
 * -------------------------------------------------------------------------- */
.glass-password-requirements {
    padding: var(--fc-space-md);
    background: var(--fc-bg-light);
    border-radius: var(--fc-radius-sm);
    font-size: var(--fc-text-sm);
}

.glass-requirements-title {
    font-weight: 600;
    margin-bottom: var(--fc-space-sm);
    color: var(--fc-text-secondary);
}

.glass-requirements-list {
    margin: 0;
    padding-inline-start: var(--fc-space-lg);
    color: var(--fc-text-muted);
}

.glass-requirements-list li {
    margin-bottom: var(--fc-space-xs);
}

/* --------------------------------------------------------------------------
 * Avatar Upload
 * -------------------------------------------------------------------------- */
.glass-avatar-upload {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-sm);
}

.glass-avatar-actions {
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    flex-wrap: wrap;
}

.glass-avatar-hint {
    font-size: var(--fc-text-xs);
    color: var(--fc-text-muted);
    margin: 0;
}

/* --------------------------------------------------------------------------
 * Unsaved Changes Indicator
 * -------------------------------------------------------------------------- */
.glass-unsaved-changes {
    position: sticky;
    top: var(--fc-space-md, 1rem);
    display: flex;
    align-items: center;
    gap: var(--fc-space-sm);
    padding: var(--fc-space-sm) var(--fc-space-md);
    background: var(--fc-warning-bg, rgba(245, 158, 11, 0.95));
    border: 1px solid var(--fc-warning-border, rgba(245, 158, 11, 0.5));
    border-radius: var(--fc-radius-md);
    color: var(--fc-warning-text, #78350f);
    font-size: var(--fc-text-sm);
    font-weight: 500;
    margin-bottom: var(--fc-space-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 100;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

[data-theme="dark"] .glass-unsaved-changes {
    background: rgba(245, 158, 11, 0.9);
    border-color: rgba(245, 158, 11, 0.6);
    color: #78350f;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.glass-unsaved-icon {
    flex-shrink: 0;
}

.glass-hidden {
    display: none !important;
}

/* --------------------------------------------------------------------------
 * Language Selector in Forms
 * -------------------------------------------------------------------------- */
.glass-language-selector-form {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-xs);
}

.glass-language-selector-form .glass-select-label {
    font-size: var(--fc-text-sm);
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Authenticator Setup Steps
 * -------------------------------------------------------------------------- */
.glass-authenticator-steps {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-xl);
}

.glass-step {
    display: flex;
    gap: var(--fc-space-lg);
}

.glass-step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--fc-primary);
    color: var(--fc-text-white);
    border-radius: 50%;
    font-weight: 600;
    flex-shrink: 0;
}

.glass-step-content {
    flex: 1;
    padding-top: 4px;
}

.glass-shared-key {
    padding: var(--fc-space-md);
    background: var(--fc-bg-light);
    border-radius: var(--fc-radius-sm);
    font-family: var(--fc-font-mono);
    font-size: var(--fc-text-sm);
    word-break: break-all;
}

.glass-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.glass-qr-code {
    padding: var(--fc-space-md);
    background: var(--fc-bg-white);
    border-radius: var(--fc-radius-md);
    border: 1px solid var(--fc-border-input);
}

/* --------------------------------------------------------------------------
 * Status Icons (Success/Error)
 * -------------------------------------------------------------------------- */
.glass-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(40, 167, 69, 0.1);
    color: var(--fc-success);
}

/* --------------------------------------------------------------------------
 * Input Verified Indicator
 * -------------------------------------------------------------------------- */
.glass-input-verified {
    position: absolute;
    inset-inline-end: var(--fc-space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--fc-success);
}

/* --------------------------------------------------------------------------
 * External Logins List
 * -------------------------------------------------------------------------- */
.glass-external-list {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-md);
}

.glass-external-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--fc-space-md) var(--fc-space-lg);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
}

.glass-external-item-name {
    font-weight: 500;
    color: var(--fc-text-primary);
}

/* --------------------------------------------------------------------------
 * Passkeys List
 * -------------------------------------------------------------------------- */
.glass-passkeys-list {
    display: flex;
    flex-direction: column;
    gap: var(--fc-space-md);
}

.glass-passkey-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--fc-space-md) var(--fc-space-lg);
    background: var(--fc-bg-white);
    border: 1px solid var(--fc-border-input);
    border-radius: var(--fc-radius-md);
    gap: var(--fc-space-md);
}

.glass-passkey-info {
    display: flex;
    align-items: center;
    gap: var(--fc-space-md);
    flex: 1;
    min-width: 0;
}

.glass-passkey-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--fc-primary);
}

.glass-passkey-name {
    font-weight: 500;
    color: var(--fc-text-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.glass-passkey-date {
    font-size: 0.875rem;
    color: var(--fc-text-muted);
    margin: 0;
}

.glass-passkey-actions {
    display: flex;
    gap: var(--fc-space-sm);
    flex-shrink: 0;
}

.glass-passkey-actions form {
    margin: 0;
}

[data-theme="dark"] .glass-passkey-item {
    background: var(--fc-bg-elevated);
    border-color: var(--fc-border-input);
}

[data-theme="dark"] .glass-passkey-icon {
    color: var(--fc-primary);
}

[data-theme="dark"] .glass-passkey-name {
    color: var(--fc-text-primary);
}

[data-theme="dark"] .glass-passkey-date {
    color: var(--fc-text-muted);
}

/* --------------------------------------------------------------------------
 * Error Page
 * -------------------------------------------------------------------------- */
.glass-centered-container:has(.glass-error-page) {
    max-width: 720px;
}

.glass-code {
    background: var(--fc-bg-light);
    padding: var(--fc-space-xs) var(--fc-space-sm);
    border-radius: var(--fc-radius-sm);
    font-family: var(--fc-font-mono);
    font-size: var(--fc-text-sm);
}

.glass-text-muted {
    color: var(--fc-text-muted);
    font-size: var(--fc-text-sm);
}

/* --------------------------------------------------------------------------
 * System Preference Dark Mode (prefers-color-scheme)
 * -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --fc-primary: #0099ff;
        --fc-primary-dark: #0077cc;
        --fc-primary-light: #33adff;
        --fc-primary-hover: #0088ee;
        --fc-bg-gradient-start: #0a0e14;
        --fc-bg-gradient-end: #131922;
        --fc-bg-glass: rgba(20, 28, 40, 0.3);
        --fc-bg-glass-hover: rgba(25, 35, 50, 0.4);
        --fc-bg-white: #0f1419;
        --fc-bg-light: rgba(15, 22, 32, 0.5);
        --fc-bg-muted: rgba(20, 28, 40, 0.6);
        --fc-text-primary: #e5e9f0;
        --fc-text-secondary: #b8c4d4;
        --fc-text-muted: #94a3b8;
        --fc-text-light: #64748b;
        --fc-text-link: #0099ff;
        --fc-border-light: rgba(255, 255, 255, 0.08);
        --fc-border-glass: rgba(255, 255, 255, 0.1);
        --fc-border-input: rgba(255, 255, 255, 0.1);
        --fc-border-focus: #0099ff;
        --fc-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --fc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --fc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
        --fc-shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        --fc-shadow-input: 0 2px 8px rgba(0, 0, 0, 0.3);
        --fc-shadow-glow: 0 0 25px rgba(0, 153, 255, 0.35);

        /* Legacy app.css variable fallbacks for SSR window */
        --bg-primary: #001f3d;
        --bg-light: #0f1419;
        --bg-disabled: #4a5568;
        --bg-border: rgba(255, 255, 255, 0.1);
        --text-primary: #e5e9f0;
        --text-secondary: #0099ff;
        --text-disabled: #4a5568;
        --text-light: #94a3b8;
        --text-gray-400: #64748b;
        --text-gray-500: #94a3b8;
        --text-gray-600: #b8c4d4;
    }
}