/* ==========================================================================
   Component Styles
   Buttons, modals, toasts, cards, form inputs, custom confirm modal,
   keyboard shortcuts, tooltips, dropdowns, badges, toggles, feedback,
   donation, support prompt, admin, empty/loading states, theme toggle
   ========================================================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: #e5e7eb;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-bg);
    color: var(--color-text);
}

.btn-warning {
    background: var(--color-warning);
    color: #1f2937;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
}

/* Developer-only elements - hidden by default */
.dev-only {
    display: none;
}

body.developer-mode .dev-only {
    display: inline-block;
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

/* Accent Button */
.btn-accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
}

.btn-accent:active {
    transform: translateY(0);
}

/* Large Button Variant */
.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Locked Button Styles */
.btn-locked {
    position: relative;
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-locked.unlocked {
    opacity: 1;
    cursor: pointer;
}

.btn-locked.unlocked .btn-lock-icon {
    display: none;
}

.btn-lock-icon {
    margin-right: var(--spacing-xs);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.system-prompt-text {
    width: 100%;
    min-height: 300px;
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    resize: vertical;
}

/* Modal close button (absolute positioned variant) */
.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-content {
    position: relative;
}

/* Dark mode input/textarea/select fixes - CRITICAL for readability */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-primary);
}

/* System dark mode preference fallback */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) input,
    :root:not([data-theme="light"]) textarea,
    :root:not([data-theme="light"]) select {
        background: var(--color-surface);
        color: var(--color-text);
        border-color: var(--color-border);
    }

    :root:not([data-theme="light"]) input::placeholder,
    :root:not([data-theme="light"]) textarea::placeholder {
        color: var(--color-text-muted);
        opacity: 0.6;
    }

    :root:not([data-theme="light"]) input:focus,
    :root:not([data-theme="light"]) textarea:focus,
    :root:not([data-theme="light"]) select:focus {
        background: var(--color-surface);
        color: var(--color-text);
        border-color: var(--color-primary);
    }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #333;
    color: #fff;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.info {
    background: #333;
    color: #fff;
}

.toast.success {
    background: var(--color-success);
    color: #fff;
}

.toast.error {
    background: var(--color-error);
    color: #fff;
}

/* Toast dark mode - ensure good contrast */
[data-theme="dark"] .toast {
    background: #e0e0e0;
    color: #1a1a1a;
}

[data-theme="dark"] .toast.info {
    background: #e0e0e0;
    color: #1a1a1a;
}

[data-theme="dark"] .toast.success {
    background: #4ade80;
    color: #1a1a1a;
}

[data-theme="dark"] .toast.error {
    background: #f87171;
    color: #1a1a1a;
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Custom Confirm Modal (replaces browser confirm()) */
.confirm-modal-content {
    max-width: 400px;
    text-align: center;
    padding: var(--spacing-xl);
}

.confirm-modal-content p {
    margin: 0 0 var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.5;
}

.confirm-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.confirm-buttons .btn {
    min-width: 100px;
}

/* Cooldown Modal (duplicate spam detection) */
.cooldown-modal-content {
    max-width: 400px;
    text-align: center;
    padding: var(--spacing-2xl);
}

.cooldown-modal-content h2 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.5rem;
    color: var(--color-warning, #f59e0b);
}

.cooldown-timer {
    font-size: 3rem;
    font-weight: bold;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0;
    font-variant-numeric: tabular-nums;
}

.cooldown-hint {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Unlock Modal */
.unlock-modal-content {
    max-width: 400px;
    text-align: center;
    padding: var(--spacing-2xl);
}

.unlock-celebration {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.unlock-modal-content h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.unlock-modal-content p {
    margin: 0 0 var(--spacing-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Unlock Required Modal */
.unlock-required-content {
    max-width: 400px;
    text-align: center;
    padding: var(--spacing-2xl);
}

.unlock-required-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.unlock-required-content h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.5rem;
    color: var(--color-text);
}

.unlock-required-content p {
    margin: 0 0 var(--spacing-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.unlock-required-progress {
    display: inline-block;
    background: var(--color-bg);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.unlock-required-progress span:first-child {
    color: var(--color-primary);
}

/* Unlock Messages */
.unlock-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
}

.unlock-icon {
    font-size: 1.2rem;
}

.unlock-text {
    font-size: 0.95rem;
}

.unlock-text strong {
    color: var(--color-primary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider-switch {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-text-muted);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider-switch:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider-switch {
    background-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider-switch:before {
    transform: translateX(20px);
}

/* Feedback */
.feedback-btn {
    margin-top: var(--spacing-sm);
}

.feedback-modal-content {
    max-width: 500px;
}

.feedback-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    resize: vertical;
    font-family: inherit;
    font-size: 1rem;
}

.feedback-contact {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.feedback-actions {
    display: flex;
    justify-content: flex-end;
}

.feedback-status {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

.feedback-status.success {
    color: var(--color-success);
}

.feedback-status.error {
    color: var(--color-error);
}

/* Admin Feedback List */
.admin-feedback-list {
    max-height: 400px;
    overflow-y: auto;
}

.feedback-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.feedback-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.feedback-item-message {
    white-space: pre-wrap;
    word-break: break-word;
}

.feedback-item-contact {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Donation */
.donate-btn {
    color: var(--color-primary);
}

.donate-modal-content {
    max-width: 400px;
}

.donate-actions {
    display: flex;
    justify-content: center;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.donate-link {
    text-decoration: none;
}

.donate-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* Support Prompt Modal */
.support-prompt-content {
    max-width: 480px;
    text-align: center;
    overflow-y: auto;
}

.support-prompt-header {
    padding: var(--spacing-lg) var(--spacing-lg) 0;
}

.support-prompt-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.support-prompt-header h3 {
    margin: 0;
    font-size: 1.4rem;
}

.support-prompt-body {
    padding: var(--spacing-md) var(--spacing-lg);
}

.support-prompt-body > p {
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-lg);
}

.new-features-list {
    text-align: left;
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.new-features-list li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-size: 0.9rem;
}

.new-features-list li strong {
    color: var(--color-primary);
}

.new-features-cta {
    text-align: center;
    margin: var(--spacing-md) 0 var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.support-prompt-section {
    text-align: left;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.support-prompt-section h4 {
    margin: 0 0 var(--spacing-xs);
    font-size: 1rem;
}

.support-prompt-description {
    margin: 0 0 var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.support-prompt-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    background: var(--color-surface);
    color: var(--color-text);
}

.support-prompt-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.support-prompt-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.support-prompt-divider::before,
.support-prompt-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.support-prompt-divider span {
    padding: 0 var(--spacing-md);
}

.support-donate-link {
    display: inline-block;
    text-decoration: none;
    width: 100%;
    text-align: center;
}

.support-prompt-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
}

.support-prompt-options {
    padding: var(--spacing-sm) var(--spacing-lg);
    text-align: center;
}

.support-prompt-options .checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    cursor: pointer;
}

.support-prompt-options .checkbox-label input {
    cursor: pointer;
}

.support-prompt-hint {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-lg);
    margin: 0;
}

/* Badges Display */
.badges-display {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-dedicated {
    background: #dbeafe;
    color: #1e40af;
}

.badge-committed {
    background: #f3e8ff;
    color: #7e22ce;
}

.badge-centurion {
    background: #fef3c7;
    color: #92400e;
}

.badge-quick-mind {
    background: #d1fae5;
    color: #065f46;
}

.badge-completionist {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #78350f;
    border: 1px solid #f59e0b;
}

.badge-icon {
    font-size: 0.9rem;
}

/* Locked Feature Overlay */
.locked-feature {
    position: relative;
}

.locked-feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.locked-feature-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    z-index: 1;
}

.locked-feature-message .lock-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.locked-feature-message .lock-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.locked-feature-message .unlock-requirement {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-top: var(--spacing-xs);
}

/* Submit Hint (Ctrl+Enter) */
.submit-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.submit-hint kbd {
    display: inline-block;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: var(--font-mono);
    font-size: 0.85em;
}

/* Account Dropdown */
.account-dropdown {
    position: fixed;
    top: 60px;
    right: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
}

.account-dropdown .account-info {
    padding: var(--spacing-md);
}

.account-dropdown .account-email {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    word-break: break-all;
}

.account-dropdown hr {
    margin: 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    text-align: left;
    background: none;
    border: none;
    font-size: 0.875rem;
    color: var(--color-text);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--color-bg);
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    font-size: 1.5rem;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    opacity: 1;
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Empty and Loading States */
.empty-state,
.error-state {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

.error-state {
    color: var(--color-error);
}

.loading {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
}

/* No Responses Message */
.no-responses {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
}

.error {
    text-align: center;
    color: var(--color-error);
    padding: var(--spacing-xl);
}

/* Auth Modal */
.auth-modal-content {
    max-width: 400px;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.auth-modal-content h3 {
    margin-bottom: var(--spacing-sm);
}

.auth-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.auth-step {
    text-align: left;
}

.auth-step .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-step label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.auth-step input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
}

.auth-step input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(88, 86, 214, 0.1);
}

.auth-hint {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-lg);
}

.auth-sent-message {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

#login-code {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    font-family: var(--font-mono);
}

#login-success-step {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.auth-success-icon {
    font-size: 3rem;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.auth-success-message {
    font-size: 1.25rem;
    color: var(--color-success);
}

.auth-error {
    background: #fef2f2;
    border: 1px solid #fee2e2;
    color: var(--color-error);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

/* Dev mode indicator */
.dev-auth-info {
    background: #fffbeb;
    border: 1px solid #fde68a;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

.dev-auth-info code {
    background: #fef3c7;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

/* Hidden Developer Mode Indicator */
.dev-mode-indicator {
    position: fixed;
    bottom: 10px;
    left: 10px;
    background: var(--color-primary);
    color: white;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    opacity: 0.6;
    z-index: 100;
}

/* Developer Mode Divider */
.dev-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}

/* Toggle Switch (Admin variant) */
.admin-toggle {
    margin-bottom: var(--spacing-md);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--color-border);
    border-radius: 13px;
    transition: background 0.2s ease;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch {
    background: var(--color-success);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch::after {
    transform: translateX(22px);
}

.toggle-text {
    font-weight: 500;
    color: var(--color-text);
}

.toggle-description {
    margin: var(--spacing-xs) 0 0;
    padding-left: calc(48px + var(--spacing-md));
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Visibility Toggle */
.visibility-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    flex-shrink: 0;
}

.visibility-toggle input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-border);
    border-radius: 12px;
    transition: background 0.2s ease;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.visibility-toggle input[type="checkbox"]:checked + .toggle-slider {
    background: var(--color-success);
}

.visibility-toggle input[type="checkbox"]:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.visibility-toggle .toggle-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    min-width: 50px;
}

.visibility-toggle input[type="checkbox"]:checked ~ .toggle-label {
    color: var(--color-success);
}

/* Show Scores Toggle (in progression status bar) */
.show-scores-toggle {
    margin-left: auto;
}

.toggle-label-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.toggle-switch-small {
    width: 36px;
    height: 20px;
    border-radius: 10px;
}

.toggle-switch-small::after {
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch-small::after {
    transform: translateX(16px);
}

.show-scores-toggle .toggle-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Stop Button Styling */
#stop-btn {
    color: var(--color-text-muted);
}

#stop-btn:hover {
    color: var(--color-error);
    background: #fee2e2;
}

/* Content Warning */
.content-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.content-warning-title {
    color: var(--color-warning);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.content-warning p {
    margin: 0;
    font-size: 0.9rem;
}

/* Dark mode for modals and misc components */
[data-theme="dark"] .modal-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .unlock-modal-content {
    background: var(--color-surface);
}

[data-theme="dark"] .unlock-message {
    background: linear-gradient(135deg, #1a1d29 0%, #252833 100%);
    border-color: var(--color-border);
}

[data-theme="dark"] kbd {
    background: #2d3142;
    border: 1px solid #3d4152;
    color: var(--color-text);
}

/* System dark mode preference fallback for components */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .modal-content {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
    }

    :root:not([data-theme="light"]) .unlock-modal-content {
        background: var(--color-surface);
    }

    :root:not([data-theme="light"]) .unlock-message {
        background: linear-gradient(135deg, #1a1d29 0%, #252833 100%);
        border-color: var(--color-border);
    }

    :root:not([data-theme="light"]) kbd {
        background: #2d3142;
        border: 1px solid #3d4152;
        color: var(--color-text);
    }
}

/* Admin Screen */
.admin-container {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.admin-header h2 {
    margin: 0;
}

.admin-section {
    margin-bottom: var(--spacing-xl);
}

.admin-section h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.1rem;
    color: var(--color-text);
}

.admin-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.count-badge {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.admin-action-group {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.admin-action-group .toggle-description {
    padding-left: 0;
    margin-top: var(--spacing-sm);
}

/* Admin Sessions List */
.admin-sessions-list {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.admin-session-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.admin-session-item:last-child {
    margin-bottom: 0;
}

.admin-session-item:hover {
    box-shadow: var(--shadow-sm);
}

.admin-session-item .session-date {
    font-weight: 500;
    color: var(--color-text);
}

.admin-session-item .session-details {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.admin-session-item .session-mode {
    display: inline-block;
    font-size: 0.75rem;
    background: var(--color-primary);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    margin-left: var(--spacing-sm);
    text-transform: capitalize;
}

.admin-session-item .session-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Admin Leaderboard List */
.admin-leaderboard-list {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    background: var(--color-surface);
}

.admin-table .edit-name {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.admin-table .edit-name:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Admin Modal */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    padding: var(--spacing-lg);
}

.admin-modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.admin-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    padding: 0;
}

.admin-modal-close:hover {
    color: var(--color-text);
}

.admin-modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    position: relative;
}

.admin-modal-body h3 {
    margin: 0 0 var(--spacing-lg);
    padding-right: var(--spacing-xl);
}

.admin-modal-body h4 {
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.admin-modal-body hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}

.session-response-item {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.session-response-item .stem-label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.session-response-item .response-text {
    font-style: italic;
    color: var(--color-text-muted);
}

.session-response-item .response-text em {
    color: var(--color-text-muted);
    font-style: italic;
}

.session-response-item .score-preview {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-primary);
    background: #f0f4ff;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

/* Dark mode for admin */
[data-theme="dark"] .admin-sessions-list,
[data-theme="dark"] .admin-leaderboard-list,
[data-theme="dark"] .admin-feedback-list {
    background: var(--color-surface);
}

[data-theme="dark"] .session-card,
[data-theme="dark"] .feedback-item {
    background: #1e2230;
    border-color: var(--color-border);
}

/* System preference fallback for admin dark mode */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .admin-sessions-list,
    :root:not([data-theme="light"]) .admin-leaderboard-list,
    :root:not([data-theme="light"]) .admin-feedback-list {
        background: var(--color-surface);
    }

    :root:not([data-theme="light"]) .session-card,
    :root:not([data-theme="light"]) .feedback-item {
        background: #1e2230;
        border-color: var(--color-border);
    }
}