/* ============================================================================
   SilverDESK Webmail Module — Stylesheet
   Uses SilverSHELL design tokens (--ss-*) for consistency with the dark theme.
   ============================================================================ */

/* ─────────────────────────────────────────────────────────────────────────────
   Index.razor — 3-pane layout shell
   ───────────────────────────────────────────────────────────────────────────── */

.webmail-shell {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 64px); /* below the main app navbar */
    position: relative;
    overflow: hidden;
    font-family: var(--ss-font-body, 'Outfit', sans-serif);
    color: var(--ss-text-primary, #fff);
    background: var(--ss-primary-800, #001a33);
}

/* Sidebar toggle button */
.sidebar-toggle-btn {
    position: absolute;
    top: 12px;
    left: 234px;
    z-index: 20;
    width: 24px;
    height: 24px;
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-full, 9999px);
    background: var(--ss-bg-elevated, #2A323F);
    color: var(--ss-text-tertiary, #9CA3AF);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all var(--ss-duration-fast, 150ms) var(--ss-ease-in-out);
    opacity: 0;
}

.webmail-shell:hover .sidebar-toggle-btn,
.sidebar-toggle-btn:focus-visible {
    opacity: 1;
}

.sidebar-toggle-btn .material-icons {
    font-size: 16px;
}

.sidebar-toggle-btn.collapsed {
    left: 4px;
    opacity: 1;
}

.sidebar-toggle-btn:hover {
    background: var(--ss-accent-500, #00BBFF);
    color: #fff;
    border-color: var(--ss-accent-500, #00BBFF);
}

/* Desktop 3-pane layout */
.desktop-layout {
    flex: 1;
    overflow: hidden;
}

.folder-pane {
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    background: var(--ss-primary-900, #001221);
}

.pane-resizer {
    width: 4px;
    cursor: col-resize;
    background: transparent;
    transition: background var(--ss-duration-fast, 150ms);
    flex-shrink: 0;
    position: relative;
}

.pane-resizer:hover,
.pane-resizer:active,
.pane-resizer.active {
    background: var(--ss-accent-500, #00BBFF);
}

/* Collapsed sidebar hover zone */
.sidebar-hover-zone {
    width: 8px;
    flex-shrink: 0;
    position: relative;
}

.sidebar-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 260px;
    height: 100%;
    z-index: 30;
    background: var(--ss-primary-900, #001221);
    border-right: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    box-shadow: var(--ss-shadow-xl);
    overflow-y: auto;
}

.message-list-pane {
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    background: var(--ss-bg-surface, #1A1F29);
}

.reading-pane {
    overflow-y: auto;
    background: var(--ss-primary-800, #001a33);
}

.reading-pane-right {
    /* flex set inline via style attribute */
}

.reading-pane-bottom-layout {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    background: var(--ss-primary-800, #001a33);
}

/* Mobile top bar */
.mobile-topbar {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    background: var(--ss-primary-900, #001221);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    min-height: 48px;
}

.mobile-back-btn,
.mobile-compose-btn {
    background: none;
    border: none;
    color: var(--ss-accent-500, #00BBFF);
    cursor: pointer;
    padding: var(--ss-space-1, 0.25rem);
    border-radius: var(--ss-radius-md, 0.375rem);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-back-btn:hover,
.mobile-compose-btn:hover {
    background: rgba(0, 187, 255, 0.1);
}

.mobile-pane-title {
    flex: 1;
    font-family: var(--ss-font-display, 'Syne', sans-serif);
    font-weight: var(--ss-font-semibold, 600);
    font-size: var(--ss-text-lg, 1.125rem);
}

.mobile-layout {
    flex: 1;
    overflow-y: auto;
}

/* ─────────────────────────────────────────────────────────────────────────────
   FolderSidebar.razor — folder tree
   ───────────────────────────────────────────────────────────────────────────── */

.folder-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--ss-space-3, 0.75rem) 0;
    overflow-y: auto;
}

.sidebar-compose {
    display: flex;
    align-items: center;
    padding: 0 var(--ss-space-3, 0.75rem) var(--ss-space-3, 0.75rem);
}

.sidebar-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--ss-space-8, 2rem);
}

.account-section {
    margin-bottom: var(--ss-space-1, 0.25rem);
}

.account-label {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    cursor: pointer;
    color: var(--ss-text-secondary, #E5E7EB);
    font-size: var(--ss-text-sm, 0.875rem);
    font-weight: var(--ss-font-medium, 500);
    transition: background var(--ss-duration-fast, 150ms);
    user-select: none;
}

.account-label:hover {
    background: rgba(255, 255, 255, 0.04);
}

.folder-sidebar .account-icon {
    font-size: 18px;
    color: var(--ss-text-muted, #6B7280);
}

.folder-sidebar .account-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.expand-chevron {
    font-size: 18px;
    color: var(--ss-text-muted, #6B7280);
    transition: transform var(--ss-duration-fast, 150ms);
}

.folder-list {
    padding-left: var(--ss-space-2, 0.5rem);
}

.folder-item {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: 6px var(--ss-space-3, 0.75rem) 6px var(--ss-space-6, 1.5rem);
    cursor: pointer;
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-tertiary, #9CA3AF);
    border-radius: 0 var(--ss-radius-md, 0.375rem) var(--ss-radius-md, 0.375rem) 0;
    transition: all var(--ss-duration-fast, 150ms);
    user-select: none;
}

.folder-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--ss-text-secondary, #E5E7EB);
}

.folder-item.selected {
    background: rgba(0, 187, 255, 0.12);
    color: var(--ss-accent-500, #00BBFF);
    border-left: 3px solid var(--ss-accent-500, #00BBFF);
}

.folder-item .folder-icon {
    font-size: 18px;
}

.folder-item .folder-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.unread-badge {
    background: var(--ss-accent-500, #00BBFF);
    color: #fff;
    font-size: 0.7rem;
    font-weight: var(--ss-font-bold, 700);
    padding: 1px 7px;
    border-radius: var(--ss-radius-full, 9999px);
    min-width: 20px;
    text-align: center;
    line-height: 1.4;
}

.shared-section-header {
    padding: var(--ss-space-4, 1rem) var(--ss-space-3, 0.75rem) var(--ss-space-1, 0.25rem);
    font-size: var(--ss-text-xs, 0.75rem);
    font-weight: var(--ss-font-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ss-text-muted, #6B7280);
}

.sidebar-footer {
    margin-top: auto;
    padding: var(--ss-space-3, 0.75rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
}

.sidebar-settings-link {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    color: var(--ss-text-muted, #6B7280);
    font-size: var(--ss-text-sm, 0.875rem);
    text-decoration: none;
    padding: var(--ss-space-2, 0.5rem) 0;
    transition: color var(--ss-duration-fast, 150ms);
}

.sidebar-settings-link:hover {
    color: var(--ss-accent-500, #00BBFF);
}

.sidebar-settings-link .material-icons {
    font-size: 18px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MessageList.razor — message list with search/filters
   ───────────────────────────────────────────────────────────────────────────── */

.message-list-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.message-list-toolbar {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    flex-shrink: 0;
}

.search-bar {
    display: flex;
    align-items: center;
    flex: 1;
    background: var(--ss-bg-elevated, #2A323F);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    padding: 0 var(--ss-space-2, 0.5rem);
    transition: border-color var(--ss-duration-fast, 150ms);
}

.search-bar:focus-within {
    border-color: var(--ss-accent-500, #00BBFF);
    box-shadow: 0 0 0 1px rgba(0, 187, 255, 0.2);
}

.search-bar .search-icon {
    font-size: 18px;
    color: var(--ss-text-muted, #6B7280);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--ss-text-primary, #fff);
    font-size: var(--ss-text-sm, 0.875rem);
    padding: 6px var(--ss-space-2, 0.5rem);
    font-family: inherit;
}

.search-input::placeholder {
    color: var(--ss-text-muted, #6B7280);
}

.clear-search {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
}

.clear-search:hover {
    color: var(--ss-text-primary, #fff);
}

.clear-search .material-icons {
    font-size: 16px;
}

.filter-toggles {
    display: flex;
    gap: 2px;
}

.filter-btn {
    background: none;
    border: 1px solid transparent;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--ss-radius-md, 0.375rem);
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
    transition: all var(--ss-duration-fast, 150ms);
}

.filter-btn .material-icons {
    font-size: 18px;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--ss-text-secondary, #E5E7EB);
}

.filter-btn.active {
    background: rgba(0, 187, 255, 0.12);
    color: var(--ss-accent-500, #00BBFF);
    border-color: rgba(0, 187, 255, 0.2);
}

/* Server search button */
.server-search-btn {
    position: relative;
}

.server-search-btn .spinning {
    animation: spin 1s linear infinite;
}

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

/* Server search results banner */
.server-search-banner {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    background: rgba(0, 187, 255, 0.08);
    border-bottom: 1px solid rgba(0, 187, 255, 0.15);
    font-size: 12px;
    color: var(--ss-accent-400, #33C9FF);
}

.server-search-banner .material-icons {
    font-size: 16px;
}

.clear-server-search {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ss-text-muted, #9CA3AF);
    padding: 2px;
    display: flex;
    align-items: center;
}

.clear-server-search:hover {
    color: var(--ss-text-primary, #F9FAFB);
}

.clear-server-search .material-icons {
    font-size: 14px;
}

/* Message items container */
.message-items-container {
    flex: 1;
    overflow-y: auto;
}

/* Loading skeletons */
.list-loading {
    padding: var(--ss-space-2, 0.5rem);
}

.message-skeleton {
    height: 68px;
    margin-bottom: 2px;
    background: linear-gradient(90deg, var(--ss-bg-elevated, #2A323F) 25%, rgba(255,255,255,0.06) 50%, var(--ss-bg-elevated, #2A323F) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--ss-radius-md, 0.375rem);
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Empty state */
.message-list-panel .list-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--ss-space-12, 3rem) var(--ss-space-4, 1rem);
    color: var(--ss-text-muted, #6B7280);
}

.message-list-panel .list-empty .material-icons {
    font-size: 48px;
    margin-bottom: var(--ss-space-3, 0.75rem);
    opacity: 0.4;
}

.message-list-panel .list-empty p {
    font-size: var(--ss-text-sm, 0.875rem);
    margin: 0;
}

/* Individual message item */
.message-item {
    display: flex;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-3, 0.75rem);
    cursor: pointer;
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    transition: background var(--ss-duration-fast, 150ms);
}

.message-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.message-item.selected {
    background: rgba(0, 187, 255, 0.08);
    border-left: 3px solid var(--ss-accent-500, #00BBFF);
}

.message-item.unread .message-item-body .sender,
.message-item.unread .message-item-body .subject {
    font-weight: var(--ss-font-semibold, 600);
    color: var(--ss-text-primary, #fff);
}

.message-item-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding-top: 2px;
    flex-shrink: 0;
    width: 24px;
}

.unread-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--ss-radius-full, 9999px);
    background: transparent;
    transition: background var(--ss-duration-fast, 150ms);
}

.unread-dot.visible {
    background: var(--ss-accent-500, #00BBFF);
}

.flag-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
    transition: color var(--ss-duration-fast, 150ms);
}

.flag-btn .material-icons {
    font-size: 16px;
}

.flag-btn:hover {
    color: var(--ss-warning, #F59E0B);
}

.flag-btn.flagged {
    color: var(--ss-warning, #F59E0B);
}

.message-item-body {
    flex: 1;
    min-width: 0; /* enable text truncation */
}

.message-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--ss-space-2, 0.5rem);
    margin-bottom: 2px;
}

.message-item-body .sender {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-secondary, #E5E7EB);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.message-item-body .time {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    flex-shrink: 0;
}

.message-item-body .subject {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-tertiary, #9CA3AF);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 2px;
}

.message-item-body .preview {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-item-body .attachment-indicator {
    font-size: 14px;
    flex-shrink: 0;
}

/* Pagination */
.message-list-panel .pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ss-space-3, 0.75rem);
    padding: var(--ss-space-3, 0.75rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-tertiary, #9CA3AF);
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MessageView.razor — message reader
   ───────────────────────────────────────────────────────────────────────────── */

.message-view-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--ss-space-4, 1rem);
}

.message-view-empty,
.message-view-loading,
.message-view-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--ss-text-muted, #6B7280);
}

.message-view-empty .material-icons,
.message-view-error .material-icons {
    font-size: 56px;
    margin-bottom: var(--ss-space-3, 0.75rem);
    opacity: 0.3;
}

.message-view-empty p,
.message-view-error p {
    font-size: var(--ss-text-sm, 0.875rem);
    margin: 0;
}

/* Message header */
.message-view-header {
    flex-shrink: 0;
    padding-bottom: var(--ss-space-3, 0.75rem);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.message-subject {
    font-family: var(--ss-font-display, 'Syne', sans-serif);
    font-size: var(--ss-text-xl, 1.25rem);
    font-weight: var(--ss-font-semibold, 600);
    color: var(--ss-text-primary, #fff);
    margin-bottom: var(--ss-space-3, 0.75rem);
    line-height: var(--ss-leading-tight, 1.25);
}

.message-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ss-space-3, 0.75rem);
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.sender-info {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
}

.from-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--ss-radius-full, 9999px);
    background: linear-gradient(135deg, var(--ss-accent-500, #00BBFF), var(--ss-primary-500, #004077));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ss-text-sm, 0.875rem);
    font-weight: var(--ss-font-bold, 700);
    color: #fff;
    flex-shrink: 0;
}

.from-details {
    display: flex;
    flex-direction: column;
}

.from-name {
    font-size: var(--ss-text-sm, 0.875rem);
    font-weight: var(--ss-font-medium, 500);
    color: var(--ss-text-primary, #fff);
}

.from-email {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
}

.message-date {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    white-space: nowrap;
}

/* Action toolbar */
.message-actions {
    display: flex;
    align-items: center;
    gap: var(--ss-space-1, 0.25rem);
    flex-wrap: wrap;
}

.reading-pane-menu {
    margin-left: auto;
}

/* Message attachments */
.message-attachments {
    flex-shrink: 0;
    padding: var(--ss-space-3, 0.75rem) 0;
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
}

/* Message body */
.message-body-container {
    flex: 1;
    overflow: auto;
    margin-top: var(--ss-space-3, 0.75rem);
    display: flex;
    flex-direction: column;
}

.message-body-iframe {
    flex: 1;
    min-height: 200px;
    background: #fff;
    border-radius: var(--ss-radius-md, 0.375rem);
}

.message-body-text {
    font-family: var(--ss-font-mono, monospace);
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-secondary, #E5E7EB);
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: var(--ss-leading-relaxed, 1.625);
    padding: var(--ss-space-4, 1rem);
    background: var(--ss-bg-elevated, #2A323F);
    border-radius: var(--ss-radius-md, 0.375rem);
    margin: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Compose.razor — compose form
   ───────────────────────────────────────────────────────────────────────────── */

.compose-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 64px);
    background: var(--ss-primary-800, #001a33);
    color: var(--ss-text-primary, #fff);
}

.compose-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ss-space-3, 0.75rem) var(--ss-space-4, 1rem);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    flex-shrink: 0;
}

.compose-title {
    font-family: var(--ss-font-display, 'Syne', sans-serif);
    font-size: var(--ss-text-xl, 1.25rem);
    font-weight: var(--ss-font-semibold, 600);
    margin: 0;
}

.compose-actions {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
}

.draft-status {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    font-style: italic;
}

.compose-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--ss-space-4, 1rem);
}

.compose-field {
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.compose-field .field-label {
    display: block;
    font-size: var(--ss-text-xs, 0.75rem);
    font-weight: var(--ss-font-medium, 500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ss-text-muted, #6B7280);
    margin-bottom: var(--ss-space-1, 0.25rem);
}

.cc-bcc-toggles {
    display: flex;
    gap: var(--ss-space-3, 0.75rem);
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.toggle-link {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-accent-500, #00BBFF);
    padding: 2px 0;
    transition: opacity var(--ss-duration-fast, 150ms);
}

.toggle-link:hover {
    opacity: 0.8;
}

.toggle-link.active {
    color: var(--ss-text-primary, #fff);
    font-weight: var(--ss-font-medium, 500);
}

.compose-editor-toolbar {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    margin-bottom: var(--ss-space-2, 0.5rem);
}

.compose-editor-toolbar .separator {
    color: var(--ss-text-muted, #6B7280);
    font-size: var(--ss-text-sm, 0.875rem);
}

.compose-editor {
    margin-bottom: var(--ss-space-4, 1rem);
}

.compose-attachments {
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.attach-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--ss-space-1, 0.25rem);
    cursor: pointer;
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    border: 1px dashed var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    color: var(--ss-text-tertiary, #9CA3AF);
    font-size: var(--ss-text-sm, 0.875rem);
    transition: all var(--ss-duration-fast, 150ms);
}

.attach-btn:hover {
    border-color: var(--ss-accent-500, #00BBFF);
    color: var(--ss-accent-500, #00BBFF);
    background: rgba(0, 187, 255, 0.05);
}

.attach-btn .material-icons {
    font-size: 18px;
}

.attachment-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ss-space-2, 0.5rem);
    margin-top: var(--ss-space-2, 0.5rem);
}

.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--ss-space-1, 0.25rem);
    padding: var(--ss-space-1, 0.25rem) var(--ss-space-2, 0.5rem);
    background: var(--ss-bg-elevated, #2A323F);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-secondary, #E5E7EB);
}

.attachment-chip .material-icons {
    font-size: 14px;
    color: var(--ss-text-muted, #6B7280);
}

.attachment-chip button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
    transition: color var(--ss-duration-fast, 150ms);
}

.attachment-chip button:hover {
    color: var(--ss-error, #EF4444);
}

.attachment-chip button .material-icons {
    font-size: 14px;
}

.compose-footer {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
    padding: var(--ss-space-3, 0.75rem) var(--ss-space-4, 1rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    flex-shrink: 0;
}

.send-error {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-error, #EF4444);
}

/* ─────────────────────────────────────────────────────────────────────────────
   AccountSettings.razor — account management page
   ───────────────────────────────────────────────────────────────────────────── */

.mail-accounts-page {
    padding: var(--ss-space-4, 1rem) var(--ss-space-6, 1.5rem);
    max-width: 800px;
}

.mail-accounts-page .page-header,
.shared-mailboxes-admin .page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--ss-space-6, 1.5rem);
}

.mail-accounts-page .page-header h1,
.shared-mailboxes-admin .page-header h1 {
    font-family: var(--ss-font-display, 'Syne', sans-serif);
    font-size: var(--ss-text-2xl, 1.5rem);
    font-weight: var(--ss-font-bold, 700);
    margin: 0;
}

.mail-accounts-page .empty-state,
.shared-mailboxes-admin .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--ss-space-12, 3rem);
    color: var(--ss-text-muted, #6B7280);
}

.empty-icon {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: var(--ss-space-4, 1rem);
}

.mail-accounts-page .empty-state h3,
.shared-mailboxes-admin .empty-state h3 {
    color: var(--ss-text-secondary, #E5E7EB);
    margin-bottom: var(--ss-space-2, 0.5rem);
}

.mail-accounts-page .empty-state p,
.shared-mailboxes-admin .empty-state p {
    margin-bottom: var(--ss-space-4, 1rem);
    font-size: var(--ss-text-sm, 0.875rem);
}

/* Account cards */
.accounts-list {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-3, 0.75rem);
}

.account-card {
    display: flex;
    align-items: center;
    gap: var(--ss-space-4, 1rem);
    padding: var(--ss-space-4, 1rem);
    background: var(--ss-bg-surface, #1A1F29);
    border: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    border-radius: var(--ss-radius-lg, 0.5rem);
    transition: border-color var(--ss-duration-fast, 150ms);
}

.account-card:hover {
    border-color: var(--ss-border-default, rgba(255,255,255,0.1));
}

.account-card > .account-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--ss-radius-lg, 0.5rem);
    background: linear-gradient(135deg, var(--ss-primary-600, #003057), var(--ss-primary-500, #004077));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.account-card > .account-icon .material-icons {
    font-size: 22px;
    color: var(--ss-accent-500, #00BBFF);
}

.account-card .account-info {
    flex: 1;
    min-width: 0;
}

.account-display-name {
    font-weight: var(--ss-font-medium, 500);
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-primary, #fff);
    margin-bottom: 2px;
}

.account-email {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    margin-bottom: var(--ss-space-1, 0.25rem);
}

.account-meta {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    flex-wrap: wrap;
}

.meta-tag {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    background: rgba(255, 255, 255, 0.04);
    padding: 1px 6px;
    border-radius: var(--ss-radius-sm, 0.125rem);
}

.default-badge {
    font-size: 0.65rem;
    font-weight: var(--ss-font-bold, 700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1px 6px;
    border-radius: var(--ss-radius-sm, 0.125rem);
    background: rgba(0, 187, 255, 0.15);
    color: var(--ss-accent-500, #00BBFF);
}

.status-badge {
    font-size: 0.65rem;
    font-weight: var(--ss-font-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 1px 6px;
    border-radius: var(--ss-radius-sm, 0.125rem);
}

.status-badge.status-idle {
    background: rgba(16, 185, 129, 0.15);
    color: var(--ss-success, #10B981);
}

.status-badge.status-syncing {
    background: rgba(0, 187, 255, 0.15);
    color: var(--ss-accent-500, #00BBFF);
}

.status-badge.status-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--ss-error, #EF4444);
}

.account-card .account-actions {
    display: flex;
    gap: var(--ss-space-1, 0.25rem);
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   AccountDialog.razor / AssignAccessDialog.razor — dialogs
   ───────────────────────────────────────────────────────────────────────────── */

.account-dialog,
.assign-access-dialog {
    padding: var(--ss-space-2, 0.5rem) 0;
}

.dialog-section {
    padding: var(--ss-space-3, 0.75rem) 0;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-1, 0.25rem);
    margin-bottom: var(--ss-space-3, 0.75rem);
}

.form-row label {
    font-size: var(--ss-text-xs, 0.75rem);
    font-weight: var(--ss-font-medium, 500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ss-text-tertiary, #9CA3AF);
}

.form-row.two-col {
    flex-direction: row;
    gap: var(--ss-space-4, 1rem);
}

.form-row.two-col > div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-1, 0.25rem);
}

.help-text {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
    margin-left: var(--ss-space-1, 0.25rem);
}

.test-connection-bar {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
    padding: var(--ss-space-3, 0.75rem) 0;
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
}

.test-result {
    display: flex;
    align-items: center;
    gap: var(--ss-space-1, 0.25rem);
    font-size: var(--ss-text-sm, 0.875rem);
}

.test-result .material-icons {
    font-size: 18px;
}

.test-result.success {
    color: var(--ss-success, #10B981);
}

.test-result.error {
    color: var(--ss-error, #EF4444);
}

.dialog-error {
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--ss-radius-md, 0.375rem);
    color: var(--ss-error, #EF4444);
    font-size: var(--ss-text-sm, 0.875rem);
    margin: var(--ss-space-2, 0.5rem) 0;
}

.dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--ss-space-2, 0.5rem);
    padding-top: var(--ss-space-3, 0.75rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    margin-top: var(--ss-space-3, 0.75rem);
}

/* ─────────────────────────────────────────────────────────────────────────────
   AddressChipInput.razor — email chip input
   ───────────────────────────────────────────────────────────────────────────── */

.address-chip-input {
    display: flex;
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    background: var(--ss-bg-elevated, #2A323F);
    padding: var(--ss-space-1, 0.25rem) var(--ss-space-2, 0.5rem);
    min-height: 36px;
    transition: border-color var(--ss-duration-fast, 150ms);
}

.address-chip-input.focused {
    border-color: var(--ss-accent-500, #00BBFF);
    box-shadow: 0 0 0 1px rgba(0, 187, 255, 0.2);
}

.chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ss-space-1, 0.25rem);
    align-items: center;
    width: 100%;
}

.address-chip {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 4px 2px 8px;
    background: var(--ss-primary-600, #003057);
    border-radius: var(--ss-radius-full, 9999px);
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-secondary, #E5E7EB);
}

.chip-text {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chip-remove {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
    transition: color var(--ss-duration-fast, 150ms);
}

.chip-remove:hover {
    color: var(--ss-error, #EF4444);
}

.chip-remove .material-icons {
    font-size: 14px;
}

.chip-input {
    flex: 1;
    min-width: 100px;
    background: transparent;
    border: none;
    outline: none;
    color: var(--ss-text-primary, #fff);
    font-size: var(--ss-text-sm, 0.875rem);
    font-family: inherit;
    padding: 4px 0;
}

.chip-input::placeholder {
    color: var(--ss-text-muted, #6B7280);
}

/* ─────────────────────────────────────────────────────────────────────────────
   AttachmentList.razor — attachment display
   ───────────────────────────────────────────────────────────────────────────── */

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ss-space-2, 0.5rem);
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    background: var(--ss-bg-elevated, #2A323F);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    transition: border-color var(--ss-duration-fast, 150ms);
}

.attachment-item:hover {
    border-color: var(--ss-accent-500, #00BBFF);
}

.attachment-type-icon {
    font-size: 20px;
    color: var(--ss-text-muted, #6B7280);
}

.attachment-info {
    display: flex;
    flex-direction: column;
}

.attachment-name {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-secondary, #E5E7EB);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-size {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
}

.attachment-download {
    color: var(--ss-accent-500, #00BBFF);
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--ss-duration-fast, 150ms);
}

.attachment-download:hover {
    opacity: 0.8;
}

.attachment-download .material-icons {
    font-size: 20px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   FolderMoveMenu.razor / MailAccountSelector.razor
   ───────────────────────────────────────────────────────────────────────────── */

.folder-move-menu {
    display: inline-block;
}

.mail-account-selector {
    width: 100%;
}

/* ─────────────────────────────────────────────────────────────────────────────
   SharedMailboxAdmin.razor — shared mailbox admin page
   ───────────────────────────────────────────────────────────────────────────── */

.shared-mailboxes-admin {
    padding: var(--ss-space-4, 1rem) var(--ss-space-6, 1.5rem);
    max-width: 900px;
}

.mailboxes-list {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-3, 0.75rem);
}

.mailbox-card {
    background: var(--ss-bg-surface, #1A1F29);
    border: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    border-radius: var(--ss-radius-lg, 0.5rem);
    overflow: hidden;
    transition: border-color var(--ss-duration-fast, 150ms);
}

.mailbox-card:hover {
    border-color: var(--ss-border-default, rgba(255,255,255,0.1));
}

.mailbox-card.expanded {
    border-color: var(--ss-border-accent, rgba(0,187,255,0.3));
}

.mailbox-row {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
    padding: var(--ss-space-4, 1rem);
    cursor: pointer;
    transition: background var(--ss-duration-fast, 150ms);
}

.mailbox-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

.mailbox-row > .mailbox-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--ss-radius-lg, 0.5rem);
    background: linear-gradient(135deg, var(--ss-primary-600, #003057), var(--ss-primary-500, #004077));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mailbox-row > .mailbox-icon .material-icons {
    color: var(--ss-accent-500, #00BBFF);
}

.mailbox-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.mailbox-name {
    font-weight: var(--ss-font-medium, 500);
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-primary, #fff);
}

.mailbox-email {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
}

.mailbox-actions {
    display: flex;
    gap: var(--ss-space-1, 0.25rem);
    flex-shrink: 0;
}

.expand-icon {
    color: var(--ss-text-muted, #6B7280);
    transition: transform var(--ss-duration-fast, 150ms);
}

/* Auth & Sync status badges */
.mailbox-status-badges {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    align-items: center;
}

.auth-badge,
.sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

.auth-badge-connected {
    background: rgba(166, 227, 161, 0.15);
    color: #a6e3a1;
}

.auth-badge-error {
    background: rgba(243, 139, 168, 0.15);
    color: #f38ba8;
}

.auth-badge-manual {
    background: rgba(137, 180, 250, 0.15);
    color: #89b4fa;
}

.sync-badge-ok {
    background: rgba(166, 227, 161, 0.1);
    color: #a6e3a1;
}

.sync-badge-error {
    background: rgba(243, 139, 168, 0.15);
    color: #f38ba8;
    cursor: help;
}

/* Access section */
.access-section {
    padding: 0 var(--ss-space-4, 1rem) var(--ss-space-4, 1rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
}

.access-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ss-space-3, 0.75rem) 0;
}

.access-header h4 {
    font-size: var(--ss-text-sm, 0.875rem);
    font-weight: var(--ss-font-semibold, 600);
    margin: 0;
}

.access-list {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-2, 0.5rem);
}

.access-row {
    display: flex;
    align-items: center;
    gap: var(--ss-space-3, 0.75rem);
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--ss-radius-md, 0.375rem);
}

.access-row .material-icons {
    font-size: 18px;
    color: var(--ss-text-muted, #6B7280);
}

.access-row .user-name {
    flex: 1;
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-secondary, #E5E7EB);
}

.access-flags {
    display: flex;
    gap: var(--ss-space-1, 0.25rem);
}

.flag-badge {
    font-size: 0.65rem;
    font-weight: var(--ss-font-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 1px 6px;
    border-radius: var(--ss-radius-sm, 0.125rem);
    background: rgba(0, 187, 255, 0.12);
    color: var(--ss-accent-400, #1AC5FF);
}

.no-access {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-muted, #6B7280);
    padding: var(--ss-space-2, 0.5rem) 0;
    font-style: italic;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Dashboard Widgets — UnreadMailWidget / RecentMessagesWidget
   ───────────────────────────────────────────────────────────────────────────── */

.webmail-widget {
    padding: var(--ss-space-3, 0.75rem);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.webmail-widget .widget-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--ss-space-6, 1.5rem);
}

.webmail-widget .widget-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: var(--ss-space-2, 0.5rem);
    color: var(--ss-text-muted, #6B7280);
    text-align: center;
}

.webmail-widget .widget-empty p {
    font-size: var(--ss-text-sm, 0.875rem);
    margin: 0;
}

.webmail-widget .widget-footer {
    padding-top: var(--ss-space-2, 0.5rem);
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
    margin-top: auto;
    text-align: center;
}

/* Unread mail widget */
.unread-summary {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-3, 0.75rem);
    flex: 1;
}

.total-unread {
    display: flex;
    align-items: baseline;
    gap: var(--ss-space-2, 0.5rem);
}

.total-unread .count {
    font-family: var(--ss-font-display, 'Syne', sans-serif);
    font-size: var(--ss-text-3xl, 1.875rem);
    font-weight: var(--ss-font-bold, 700);
    color: var(--ss-accent-500, #00BBFF);
    line-height: 1;
}

.total-unread .label {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-muted, #6B7280);
}

.unread-summary .account-list {
    display: flex;
    flex-direction: column;
    gap: var(--ss-space-1, 0.25rem);
    flex: 1;
}

.unread-summary .account-row {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    padding: var(--ss-space-1, 0.25rem) var(--ss-space-2, 0.5rem);
    border-radius: var(--ss-radius-md, 0.375rem);
    cursor: pointer;
    transition: background var(--ss-duration-fast, 150ms);
    font-size: var(--ss-text-sm, 0.875rem);
}

.unread-summary .account-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.unread-summary .account-name {
    flex: 1;
    color: var(--ss-text-secondary, #E5E7EB);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.unread-summary .badge {
    font-size: var(--ss-text-xs, 0.75rem);
    font-weight: var(--ss-font-bold, 700);
    padding: 1px 7px;
    border-radius: var(--ss-radius-full, 9999px);
    background: var(--ss-accent-500, #00BBFF);
    color: #fff;
    min-width: 20px;
    text-align: center;
}

/* Recent messages widget */
.recent-messages-widget .message-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex: 1;
}

.recent-messages-widget .message-row {
    display: flex;
    flex-direction: column;
    padding: var(--ss-space-2, 0.5rem);
    border-radius: var(--ss-radius-md, 0.375rem);
    cursor: pointer;
    transition: background var(--ss-duration-fast, 150ms);
}

.recent-messages-widget .message-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.recent-messages-widget .message-row.unread {
    border-left: 2px solid var(--ss-accent-500, #00BBFF);
}

.recent-messages-widget .message-row.unread .sender,
.recent-messages-widget .message-row.unread .subject {
    font-weight: var(--ss-font-semibold, 600);
}

.recent-messages-widget .sender {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-tertiary, #9CA3AF);
}

.recent-messages-widget .subject {
    font-size: var(--ss-text-sm, 0.875rem);
    color: var(--ss-text-secondary, #E5E7EB);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-messages-widget .meta {
    display: flex;
    align-items: center;
    gap: var(--ss-space-1, 0.25rem);
    margin-top: 2px;
}

.recent-messages-widget .time {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-text-muted, #6B7280);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Responsive overrides
   ───────────────────────────────────────────────────────────────────────────── */

@media (max-width: 767px) {
    .webmail-shell {
        height: calc(100vh - 56px);
    }

    .sidebar-toggle-btn {
        display: none;
    }

    .mail-accounts-page,
    .shared-mailboxes-admin {
        padding: var(--ss-space-3, 0.75rem);
    }

    .compose-page {
        height: calc(100vh - 56px);
    }

    .account-card {
        flex-direction: column;
        align-items: stretch;
    }

    .account-card .account-actions {
        justify-content: flex-end;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Scrollbar styling (thin, dark)
   ───────────────────────────────────────────────────────────────────────────── */

.folder-sidebar::-webkit-scrollbar,
.message-items-container::-webkit-scrollbar,
.message-view-panel::-webkit-scrollbar,
.message-body-container::-webkit-scrollbar,
.compose-body::-webkit-scrollbar,
.reading-pane::-webkit-scrollbar {
    width: 6px;
}

.folder-sidebar::-webkit-scrollbar-track,
.message-items-container::-webkit-scrollbar-track,
.message-view-panel::-webkit-scrollbar-track,
.message-body-container::-webkit-scrollbar-track,
.compose-body::-webkit-scrollbar-track,
.reading-pane::-webkit-scrollbar-track {
    background: transparent;
}

.folder-sidebar::-webkit-scrollbar-thumb,
.message-items-container::-webkit-scrollbar-thumb,
.message-view-panel::-webkit-scrollbar-thumb,
.message-body-container::-webkit-scrollbar-thumb,
.compose-body::-webkit-scrollbar-thumb,
.reading-pane::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.folder-sidebar::-webkit-scrollbar-thumb:hover,
.message-items-container::-webkit-scrollbar-thumb:hover,
.message-view-panel::-webkit-scrollbar-thumb:hover,
.message-body-container::-webkit-scrollbar-thumb:hover,
.compose-body::-webkit-scrollbar-thumb:hover,
.reading-pane::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Gmail-style Compose Popup
   ───────────────────────────────────────────────────────────────────────────── */

/* Minimized tab bar — row of collapsed compose tabs at viewport bottom-right */
.compose-minimized-bar {
    position: fixed;
    bottom: 0;
    right: 16px;
    display: flex;
    flex-direction: row-reverse;
    gap: 4px;
    z-index: 190;
    pointer-events: auto;
}

.compose-minimized-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--ss-bg-elevated, #2A323F);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-bottom: none;
    border-radius: var(--ss-radius-md, 6px) var(--ss-radius-md, 6px) 0 0;
    cursor: pointer;
    max-width: 220px;
    color: var(--ss-text-primary, #fff);
    font-size: var(--ss-text-sm, 0.8125rem);
    font-family: var(--ss-font-body, 'Outfit', sans-serif);
    transition: background var(--ss-duration-fast, 150ms) ease;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.2);
}

.compose-minimized-tab:hover {
    background: var(--ss-bg-hover, #3A4250);
}

.compose-minimized-tab .tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.compose-minimized-tab .tab-close {
    background: none;
    border: none;
    color: var(--ss-text-tertiary, #9CA3AF);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    border-radius: 50%;
    transition: color var(--ss-duration-fast, 150ms) ease;
}

.compose-minimized-tab .tab-close:hover {
    color: var(--ss-danger, #EF4444);
}

/* Normal popup — floating bottom-right panel */
.compose-popup {
    position: fixed;
    bottom: 0;
    right: 80px;
    width: 500px;
    height: 540px;
    display: flex;
    flex-direction: column;
    background: var(--ss-primary-800, #001a33);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.12));
    border-bottom: none;
    border-radius: var(--ss-radius-lg, 8px) var(--ss-radius-lg, 8px) 0 0;
    box-shadow: 0 -4px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.04);
    z-index: 200;
    overflow: hidden;
    animation: compose-slide-up 0.25s ease-out;
}

@keyframes compose-slide-up {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Maximized popup — centered overlay */
.compose-popup.maximized {
    width: 80vw;
    max-width: 900px;
    height: 80vh;
    right: 50% !important;
    bottom: 10vh;
    transform: translateX(50%);
    border-radius: var(--ss-radius-lg, 8px);
    border-bottom: 1px solid var(--ss-border-default, rgba(255,255,255,0.12));
    animation: compose-scale-in 0.2s ease-out;
}

@keyframes compose-scale-in {
    from {
        transform: translateX(50%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateX(50%) scale(1);
        opacity: 1;
    }
}

/* Backdrop for maximized compose */
.compose-popup-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 195;
    animation: compose-fade-in 0.2s ease-out;
}

@keyframes compose-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Title bar */
.compose-popup-titlebar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--ss-bg-elevated, #2A323F);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.06));
    flex-shrink: 0;
    user-select: none;
}

.compose-popup-titlebar .popup-title {
    font-size: var(--ss-text-sm, 0.8125rem);
    font-weight: 600;
    color: var(--ss-text-primary, #fff);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: 8px;
}

.compose-popup-titlebar .popup-controls {
    display: flex;
    gap: 2px;
}

.compose-popup-titlebar .popup-controls button {
    background: none;
    border: none;
    color: var(--ss-text-tertiary, #9CA3AF);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--ss-radius-sm, 4px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ss-duration-fast, 150ms) ease;
}

.compose-popup-titlebar .popup-controls button:hover {
    background: rgba(255,255,255,0.08);
    color: var(--ss-text-primary, #fff);
}

.compose-popup-titlebar .popup-controls button .material-icons {
    font-size: 18px;
}

/* Compose popup body — scrollable form area */
.compose-popup-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ComposePanel adaptations for popup mode */
.compose-panel-popup {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.compose-panel-popup .compose-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 14px;
}

.compose-panel-popup .compose-field {
    margin-bottom: 6px;
}

.compose-panel-popup .field-label {
    font-size: 0.75rem;
    min-width: 36px;
}

.compose-panel-popup .compose-editor {
    flex: 1;
    min-height: 0;
}

.compose-panel-popup .compose-editor-toolbar {
    margin-bottom: 4px;
}

.compose-panel-popup .compose-attachments {
    margin-top: 4px;
}

.compose-panel-popup .compose-footer {
    padding: 8px 14px;
    border-top: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.06));
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.compose-panel-popup .compose-footer .draft-status {
    font-size: 0.7rem;
    color: var(--ss-text-tertiary, #9CA3AF);
    margin-left: auto;
}

/* Full-page compose panel — inherits existing compose-page styles */
.compose-panel-page .compose-body {
    /* no extra styles needed — inherits from .compose-page .compose-body */
}

.compose-panel-page .compose-footer {
    /* inherits from .compose-page .compose-footer */
}

/* ── Mobile: hide popups, use full-page compose instead ────────────────── */
@media (max-width: 767px) {
    .compose-popup,
    .compose-minimized-bar,
    .compose-popup-backdrop {
        display: none !important;
    }
}

/* ── Bulk Operations ───────────────────────────────────────────────────── */

.bulk-toolbar {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    flex: 1;
    min-width: 0;
}

.bulk-select-all {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    cursor: pointer;
    user-select: none;
    flex-shrink: 0;
}

.bulk-select-all input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ss-accent-500, #00BBFF);
    cursor: pointer;
}

.bulk-count {
    font-size: var(--ss-text-xs, 0.75rem);
    color: var(--ss-accent-500, #00BBFF);
    font-weight: var(--ss-font-medium, 500);
    white-space: nowrap;
}

.bulk-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.bulk-btn {
    background: none;
    border: 1px solid transparent;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--ss-radius-md, 0.375rem);
    color: var(--ss-text-muted, #6B7280);
    display: flex;
    align-items: center;
    transition: all var(--ss-duration-fast, 150ms);
}

.bulk-btn .material-icons {
    font-size: 18px;
}

.bulk-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--ss-text-primary, #fff);
}

.bulk-btn-danger:hover {
    background: rgba(239, 68, 68, 0.12);
    color: var(--ss-danger, #EF4444);
}

/* Move dropdown */
.bulk-move-wrapper {
    position: relative;
}

.move-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 50;
    background: var(--ss-bg-elevated, #2A323F);
    border: 1px solid var(--ss-border-default, rgba(255,255,255,0.1));
    border-radius: var(--ss-radius-md, 0.375rem);
    box-shadow: var(--ss-shadow-lg, 0 10px 25px rgba(0,0,0,0.3));
    min-width: 180px;
    max-height: 280px;
    overflow-y: auto;
    padding: var(--ss-space-1, 0.25rem) 0;
    margin-top: 4px;
}

.move-option {
    display: flex;
    align-items: center;
    gap: var(--ss-space-2, 0.5rem);
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--ss-space-2, 0.5rem) var(--ss-space-3, 0.75rem);
    color: var(--ss-text-secondary, #E5E7EB);
    font-size: var(--ss-text-sm, 0.875rem);
    text-align: left;
    transition: background var(--ss-duration-fast, 150ms);
}

.move-option:hover {
    background: rgba(255, 255, 255, 0.06);
}

.move-option .material-icons {
    font-size: 16px;
    color: var(--ss-text-muted, #6B7280);
}

/* Checkbox in message list */
.bulk-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.bulk-checkbox input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--ss-accent-500, #00BBFF);
    cursor: pointer;
    margin: 0;
}

/* Widen left column to fit checkbox + unread dot + flag */
.message-item .message-item-left {
    width: 48px;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
}

/* Highlight bulk-selected messages */
.message-item.bulk-selected {
    background: rgba(0, 187, 255, 0.05);
}

.message-item.bulk-selected:hover {
    background: rgba(0, 187, 255, 0.08);
}

/* ─── Conversation Threading ─────────────────────────────────────────────── */

.thread-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: rgba(0, 187, 255, 0.12);
    border: 1px solid rgba(0, 187, 255, 0.2);
    border-radius: 12px;
    padding: 1px 8px 1px 4px;
    cursor: pointer;
    transition: background var(--ss-duration-fast, 150ms);
    flex-shrink: 0;
}

.thread-badge:hover {
    background: rgba(0, 187, 255, 0.22);
}

.thread-badge .thread-icon {
    font-size: 13px;
    color: var(--ss-accent-500, #00BBFF);
}

.thread-badge .thread-count {
    font-size: 11px;
    font-weight: 600;
    color: var(--ss-accent-500, #00BBFF);
}

.thread-badge .thread-unread {
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background: var(--ss-danger, #EF4444);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 2px;
}

.message-item.thread-expanded {
    border-bottom-color: rgba(0, 187, 255, 0.15);
    background: rgba(0, 187, 255, 0.03);
}

/* Thread expansion container */
.thread-expansion {
    border-left: 2px solid rgba(0, 187, 255, 0.2);
    margin-left: 20px;
    background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--ss-border-subtle, rgba(255,255,255,0.05));
}

.thread-expansion .message-item.thread-child {
    padding-left: var(--ss-space-2, 0.5rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.thread-expansion .message-item.thread-child:last-child {
    border-bottom: none;
}

.thread-expansion .thread-line {
    width: 2px;
    height: 100%;
    min-height: 20px;
    background: rgba(0, 187, 255, 0.15);
    flex-shrink: 0;
}

.thread-expansion .message-item-left {
    width: 16px;
    justify-content: center;
}

/* ─── Keyboard Shortcuts Help Overlay ────────────────────────────────────── */

.shortcuts-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.shortcuts-panel {
    background: var(--sd-surface, #1e1e2e);
    border: 1px solid var(--sd-border, #333);
    border-radius: 12px;
    padding: 24px 32px;
    min-width: 400px;
    max-width: 520px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.shortcuts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.shortcuts-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--sd-text, #cdd6f4);
}

.shortcuts-close {
    background: none;
    border: none;
    color: var(--sd-text-muted, #6c7086);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
}

.shortcuts-close:hover {
    color: var(--sd-text, #cdd6f4);
    background: var(--sd-hover, rgba(255, 255, 255, 0.05));
}

.shortcut-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.shortcut-group h4 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sd-accent, #89b4fa);
    margin: 0 0 8px 0;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
    font-size: 13px;
    color: var(--sd-text-muted, #a6adc8);
}

.shortcut-row kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 24px;
    padding: 0 6px;
    background: var(--sd-surface-alt, #313244);
    border: 1px solid var(--sd-border, #45475a);
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    color: var(--sd-text, #cdd6f4);
    box-shadow: 0 1px 0 var(--sd-border, #45475a);
}

.shortcut-row span:last-child {
    flex: 1;
}

/* Focus outline for keyboard nav on webmail-shell */
.webmail-shell:focus {
    outline: none;
}

/* ── OAuth Error Banner ─────────────────────────────────────────────────── */

.oauth-error-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--sd-warning-bg, #f38ba833);
    border-bottom: 1px solid var(--sd-warning-border, #f38ba8);
    color: var(--sd-warning-text, #f38ba8);
    font-size: 13px;
    font-weight: 500;
    z-index: 100;
    grid-column: 1 / -1;
}

.oauth-error-banner .material-icons {
    font-size: 18px;
    color: var(--sd-warning-text, #f38ba8);
}

.oauth-reconnect-btn {
    margin-left: auto;
    padding: 4px 12px;
    border: 1px solid var(--sd-warning-border, #f38ba8);
    border-radius: 4px;
    background: transparent;
    color: var(--sd-warning-text, #f38ba8);
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s;
}

.oauth-reconnect-btn:hover {
    background: var(--sd-warning-bg, #f38ba833);
}