/* ===================================
   Mstkhby - Components Stylesheet
   =================================== */

/* Modal Styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--spacing-md);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-red);
    color: white;
}

/* Auth Modal */
.auth-modal {
    padding: var(--spacing-xl);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab.active {
    background: var(--surface);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--primary-600);
    direction: ltr;
    text-align: left;
}

.password-strength {
    display: flex;
    gap: 4px;
    margin-top: -8px;
}

.password-strength::before {
    content: '';
    flex: 1;
    height: 3px;
    background: var(--gray-300);
    border-radius: 2px;
    transition: background var(--transition-fast);
}

.auth-divider {
    text-align: center;
    position: relative;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 40px);
    height: 1px;
    background: var(--border-light);
}

.auth-divider::before { right: 0; }
.auth-divider::after { left: 0; }

.social-auth {
    display: flex;
    gap: var(--spacing-md);
}

.forgot-password {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

.terms-agreement {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-align: center;
}

.terms-agreement a {
    color: var(--primary-600);
    font-weight: 500;
}

/* Send Message Modal */
.send-message-modal {
    padding: var(--spacing-xl);
}

/* Send message form, now rendered as a real standalone page section
   (public profile page) instead of a floating modal on top of it. */
.send-message-page {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-2xl);
}

.identity-option.locked {
    opacity: 0.55;
    cursor: not-allowed;
}

.identity-option input:disabled {
    cursor: not-allowed;
}

.identity-login-hint {
    display: block;
    margin-top: 4px;
    font-size: 10px;
    color: var(--text-secondary);
}

.send-header {
    margin-bottom: var(--spacing-xl);
}

.recipient-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
}

.recipient-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-400), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.recipient-info h3 {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 400;
}

.recipient-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
}

/* Message Type Selector */
.message-type-selector {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.type-option {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
}

.type-option input {
    display: none;
}

.type-option.has-file input + .type-icon::after {
    content: '✓';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background: var(--accent-green);
    border-radius: 50%;
    font-size: 0.6rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.type-option.active {
    border-color: var(--primary-500);
    background: rgba(14, 165, 233, 0.05);
}

.type-icon {
    display: block;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.type-option span:last-child {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.type-option.active span:last-child {
    color: var(--primary-600);
}

/* Identity Selector */
.identity-selector {
    margin-bottom: var(--spacing-lg);
}

.identity-selector > label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.identity-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.identity-option {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
}

.identity-option input {
    display: none;
}

.identity-option.active {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.05);
}

.identity-icon {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 2px;
}

.identity-option span:last-child {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.identity-option.active span:last-child {
    color: var(--accent-purple);
}

.alias-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
}

.alias-input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

/* Destruct Options */
.destruct-options {
    margin-bottom: var(--spacing-lg);
}

.destruct-options > label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.destruct-options select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    cursor: pointer;
}

.destruct-options select:focus {
    outline: none;
    border-color: var(--accent-orange);
}

/* Media Upload */
.media-upload {
    margin-top: var(--spacing-sm);
}

.media-upload input[type="file"] {
    display: none;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.upload-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.preview {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.preview img,
.preview video {
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* Safety Notice */
.safety-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.safety-notice span {
    font-size: 1.25rem;
}

.safety-notice p {
    font-size: var(--font-size-sm);
    color: var(--accent-green);
    line-height: 1.5;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-right: 4px solid var(--primary-500);
    animation: slideInRight 0.3s ease forwards;
    min-width: 300px;
    max-width: 420px;
}

.toast.success { border-right-color: var(--accent-green); }
.toast.error { border-right-color: var(--accent-red); }
.toast.warning { border-right-color: var(--accent-orange); }
.toast.info { border-right-color: var(--primary-500); }

.toast-icon {
    font-size: 1.25rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.toast-message {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

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

/* Inbox / Messages List */
.inbox-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.inbox-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.inbox-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.inbox-filters {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn.active {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message-item {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.message-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(-4px);
}

.message-item.unread {
    border-right: 3px solid var(--primary-500);
    background: rgba(14, 165, 233, 0.02);
}

.message-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.sender-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sender-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-anonymous {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.badge-reveal {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.message-preview-text {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.message-type-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.message-actions {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.message-item:hover .message-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

.action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

/* Message Detail View */
.message-detail {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.message-detail-header {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.message-detail-content {
    padding: var(--spacing-xl);
}

.detail-sender {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.detail-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-200), var(--accent-purple));
}

.detail-sender-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.detail-sender-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.detail-message-body {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.detail-media {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.detail-media img,
.detail-media video {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.reaction-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.reaction-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.reaction-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-200);
    transform: scale(1.05);
}

.reaction-btn.active {
    background: var(--primary-100);
    border-color: var(--primary-500);
}

/* Self-destruct Timer */
.self-destruct-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(249, 115, 22, 0.1));
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
}

.timer-icon {
    font-size: 1.5rem;
    animation: pulse 1s ease-in-out infinite;
}

.timer-countdown {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-red);
    font-family: monospace;
}

/* Reply Section */
.reply-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.reply-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.reply-identity-toggle {
    display: flex;
    gap: var(--spacing-sm);
}

.reply-identity-toggle button {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.reply-identity-toggle button.active {
    background: var(--accent-purple);
    color: white;
    border-color: var(--accent-purple);
}

/* Profile Page */
.profile-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.profile-header {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    border-radius: var(--radius-2xl);
    color: white;
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.profile-avatar {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-lg);
    border: 4px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.profile-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-600);
    font-size: 0.875rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    transition: transform 0.15s ease;
}

.profile-avatar-edit:hover {
    transform: scale(1.08);
}

.profile-avatar > span,
.profile-avatar > #profileAvatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 50%;
}

.profile-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.profile-username {
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    direction: ltr;
    display: inline-block;
}

.profile-link-card {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(4px);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.profile-stat {
    background: var(--surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border-light);
}

.profile-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-600);
}

.profile-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.profile-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: var(--spacing-md);
}

.profile-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: none;
    border: none;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.profile-tab.active {
    color: var(--primary-600);
}

.profile-tab.active::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--spacing-md) - 1px);
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-500);
}

/* Settings Page */
.settings-container {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.settings-section {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.settings-section-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.settings-section-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-fast);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item:hover {
    background: var(--bg-secondary);
}

.settings-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.settings-label strong {
    font-weight: 600;
}

.settings-label span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--gray-300);
    border-radius: 14px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-switch.active {
    background: var(--primary-500);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active::after {
    transform: translateX(-24px);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Standalone app pages (inbox.html / profile.html) — offsets the fixed
   navbar the same way .hero does on the landing page. */
.app-page {
    padding-top: 100px;
    min-height: 80vh;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

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

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ===================================
   PWA Install Banner
   =================================== */
.pwa-install-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 9998;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
    padding: 12px 14px;
    background: rgba(15, 23, 42, 0.97);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    animation: pwaBannerIn 0.4s ease;
}

.pwa-install-banner[hidden] { display: none; }

@keyframes pwaBannerIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.pwa-install-banner__icon img {
    display: block;
    border-radius: 12px;
}

.pwa-install-banner__text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.pwa-install-banner__text strong {
    color: #fff;
    font-size: 14px;
}

.pwa-install-banner__text span {
    color: #94a3b8;
    font-size: 12px;
}

.pwa-install-banner__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.pwa-install-banner__close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

.pwa-install-banner__close:hover { color: #fff; }

@media (max-width: 420px) {
    .pwa-install-banner__text span { display: none; }
}

/* ===================================
   User Badges (premium crown / verified check)
   Rendered next to a display name anywhere it appears —
   own profile, public profile page, and message sender labels.
   =================================== */
.user-badge-group {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
    margin-inline-start: 6px;
}

.user-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    line-height: 0;
}

.user-badge svg { display: block; }

/* Premium crown — gold gradient with a soft glowing pulse */
.user-badge--crown svg {
    width: 1.05em;
    height: 1.05em;
}

.user-badge--crown {
    animation: userBadgeCrownPulse 2.4s ease-in-out infinite;
    transform-origin: center bottom;
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 2px rgba(250, 204, 21, 0.55));
}

@keyframes userBadgeCrownPulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 2px rgba(250, 204, 21, 0.55));
    }
    50% {
        transform: scale(1.12) rotate(-3deg);
        filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 6px rgba(250, 204, 21, 0.95));
    }
}

/* Verification badge — scalloped "seal" shape (two rounded squares layered
   22.5deg apart) with a white checkmark on top, colored per tier via
   --badge-color (رمادي "متفاعل", ذهبي "مؤثر", أزرق "مشهور"). */
.user-badge--verified {
    position: relative;
    width: 1.15em;
    height: 1.15em;
    filter: drop-shadow(0 0 0 2px rgba(255, 255, 255, 0.9));
}

.user-badge--verified::before,
.user-badge--verified::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--badge-color, #94a3b8);
    border-radius: 30%;
}

.user-badge--verified::after {
    transform: rotate(22.5deg);
}

.user-badge--verified-check {
    position: relative;
    z-index: 1;
    width: 62%;
    height: 62%;
    margin: 19%;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .user-badge--crown {
        animation: none;
    }
}