/**
 * Options Manager — Header Dropdown
 * Compact dropdown anchored to toolbar button with table listing
 */

/* ============================================
   DROPDOWN CONTAINER
   ============================================ */

.om-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 560px;
    min-width: 400px;
    min-height: 200px;
    max-height: calc(100vh - 80px);
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.02);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    resize: both;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 200ms ease, visibility 200ms ease, transform 200ms ease;
}

.om-dropdown.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

/* ============================================
   SORT ROW
   ============================================ */

.om-dd-sort {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
    background: var(--bg-secondary, #fafafa);
}

.om-dd-count {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted, #a3a3a3);
}

.om-dd-sort select {
    padding: 3px 6px;
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 5px;
    font-size: 0.6875rem;
    font-family: inherit;
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #525252);
    cursor: pointer;
    outline: none;
}

/* ============================================
   TABLE
   ============================================ */

.om-dd-table-wrap {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    max-height: 420px;
}

.om-dd-table-wrap::-webkit-scrollbar {
    width: 4px;
}
.om-dd-table-wrap::-webkit-scrollbar-track {
    background: transparent;
}
.om-dd-table-wrap::-webkit-scrollbar-thumb {
    background: var(--grey-300, #d4d4d4);
    border-radius: 4px;
}

.om-dd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    table-layout: fixed;
}

.om-dd-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}

.om-dd-table th {
    padding: 6px 8px;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted, #a3a3a3);
    background: var(--bg-secondary, #fafafa);
    border-bottom: 1px solid var(--border-color, #e5e5e5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.om-dd-table th.col-address { text-align: left; }
.om-dd-table th.col-name { text-align: left; }
.om-dd-table th.col-ver { width: 36px; text-align: center; }
.om-dd-table th.col-updated { width: 58px; text-align: right; }
.om-dd-table th.col-actions { width: 28px; text-align: center; }

.om-dd-table td {
    padding: 7px 8px;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
    color: var(--text-primary, #171717);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.om-dd-table td.col-address {
    font-size: 0.6875rem;
    color: var(--text-secondary, #525252);
}

.om-dd-table td.col-name {
    font-weight: 500;
}

.om-dd-table td.col-updated {
    text-align: right;
    color: var(--text-secondary, #737373);
    font-variant-numeric: tabular-nums;
}

.om-dd-table td.col-ver {
    text-align: center;
    color: var(--text-muted, #a3a3a3);
}

.om-dd-table td.col-actions {
    text-align: center;
    padding: 4px 2px;
}

.om-dd-table tbody tr {
    cursor: pointer;
    transition: background 100ms;
}

.om-dd-table tbody tr:hover {
    background: var(--bg-tertiary, #f5f5f5);
}

.om-dd-table tbody tr.active {
    background: rgba(0, 85, 255, 0.04);
}

.om-dd-table tbody tr.active td:first-child {
    box-shadow: inset 3px 0 0 #0055ff;
}

/* Three-dot actions button in table */
.om-dd-actions-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted, #a3a3a3);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: all 100ms;
}

.om-dd-table tbody tr:hover .om-dd-actions-btn {
    opacity: 1;
}

.om-dd-actions-btn:hover {
    background: var(--bg-tertiary, #e5e5e5);
    color: var(--text-primary, #171717);
}

/* ============================================
   BADGES (kept from original)
   ============================================ */

.om-badge-ver {
    font-size: 0.625rem;
    font-weight: 600;
    padding: 1px 5px;
    background: var(--bg-tertiary, #f5f5f5);
    color: var(--text-secondary, #737373);
    border-radius: 4px;
}

.om-badge-base {
    font-size: 0.5625rem;
    font-weight: 700;
    padding: 1px 5px;
    background: #ecfdf5;
    color: #059669;
    border-radius: 4px;
    margin-left: 4px;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.om-dd-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 32px 20px;
    color: var(--text-muted, #a3a3a3);
}

.om-dd-empty p {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 500;
}

.om-dd-empty-sub {
    font-size: 0.6875rem !important;
    font-weight: 400 !important;
    color: var(--grey-300, #d4d4d4) !important;
}

/* ============================================
   LOGIN PROMPT
   ============================================ */

.om-dd-login {
    padding: 32px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.om-dd-login p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-secondary, #737373);
}

.om-dd-login-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: #0055ff;
    color: #fff;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    transition: background 150ms;
}

.om-dd-login-btn:hover {
    background: #0044cc;
    color: #fff;
}

/* ============================================
   VERSION HISTORY (sub-view inside dropdown)
   ============================================ */

.om-dd-versions {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.om-dd-versions.visible {
    display: flex;
}

.om-version-back {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border: none;
    border-bottom: 1px solid var(--border-color, #e5e5e5);
    background: var(--bg-secondary, #fafafa);
    color: var(--text-primary, #171717);
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 100ms;
    width: 100%;
    text-align: left;
}

.om-version-back:hover {
    background: var(--bg-tertiary, #f5f5f5);
}

.om-version-back svg {
    color: var(--text-secondary, #525252);
}

.om-version-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    max-height: 300px;
}

.om-version-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    margin-bottom: 6px;
    background: var(--bg-secondary, #fafafa);
    border: 1px solid var(--border-light, #f0f0f0);
    border-radius: 8px;
    transition: border-color 120ms;
}

.om-version-item.current {
    border-color: #0055ff;
    background: rgba(0, 85, 255, 0.03);
}

.om-version-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.om-version-num { font-weight: 600; font-size: 0.8125rem; color: var(--text-primary, #171717); }
.om-version-date { font-size: 0.6875rem; color: var(--text-secondary, #737373); }
.om-version-summary { font-size: 0.6875rem; color: var(--text-muted, #a3a3a3); font-style: italic; }

.om-restore-btn {
    padding: 5px 12px;
    border: none;
    border-radius: 5px;
    font-size: 0.6875rem;
    font-weight: 600;
    font-family: inherit;
    background: #0055ff;
    color: #fff;
    cursor: pointer;
    transition: background 150ms;
}

.om-restore-btn:hover {
    background: #0044cc;
}

/* Main content area — hidden when version view is open */
.om-dd-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.om-dd-main.hidden {
    display: none;
}

/* ============================================
   CONTEXT MENU
   ============================================ */

.om-context-menu {
    display: none;
    position: fixed;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e5e5);
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    z-index: 2000;
    min-width: 180px;
    padding: 4px;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.om-context-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary, #171717);
    font-size: 0.8125rem;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    border-radius: 6px;
    transition: background 100ms;
}

.om-context-menu button:hover {
    background: var(--bg-tertiary, #f5f5f5);
}

.om-context-menu button svg {
    color: var(--text-secondary, #737373);
    flex-shrink: 0;
}

.om-context-divider {
    height: 1px;
    background: var(--border-light, #f0f0f0);
    margin: 4px 0;
}

.om-context-danger {
    color: #dc2626 !important;
}

.om-context-danger:hover {
    background: #fef2f2 !important;
}

.om-context-danger svg {
    color: #dc2626 !important;
}

/* ============================================
   NOTIFICATION TOAST
   ============================================ */

.om-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #fff;
    opacity: 0;
    transform: translateY(8px);
    transition: all 250ms ease;
    z-index: 9999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.om-notification.visible {
    opacity: 1;
    transform: translateY(0);
}

.om-notification-success { background: #059669; }
.om-notification-error { background: #dc2626; }
.om-notification-info { background: #0055ff; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .om-dropdown {
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        border-radius: 0 0 12px 12px;
        max-height: calc(100vh - 70px);
    }

    .om-dd-table th.col-address,
    .om-dd-table td.col-address {
        display: none;
    }
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] .om-dropdown {
    background: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

/* Sort row */
[data-theme="dark"] .om-dd-sort {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .om-dd-count {
    color: var(--text-muted);
}

[data-theme="dark"] .om-dd-sort select {
    background: var(--input-bg, var(--bg-primary));
    border-color: var(--input-border, var(--border-color));
    color: var(--text-secondary);
}

/* Table */
[data-theme="dark"] .om-dd-table-wrap::-webkit-scrollbar-thumb {
    background: var(--grey-600);
}

[data-theme="dark"] .om-dd-table th {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

[data-theme="dark"] .om-dd-table td {
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .om-dd-table td.col-address {
    color: var(--text-secondary);
}

[data-theme="dark"] .om-dd-table td.col-updated {
    color: var(--text-muted);
}

[data-theme="dark"] .om-dd-table td.col-ver {
    color: var(--grey-500);
}

[data-theme="dark"] .om-dd-table tbody tr:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .om-dd-table tbody tr.active {
    background: rgba(0, 85, 255, 0.08);
}

[data-theme="dark"] .om-dd-actions-btn {
    color: var(--text-muted);
}

[data-theme="dark"] .om-dd-actions-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Badges */
[data-theme="dark"] .om-badge-ver {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

[data-theme="dark"] .om-badge-base {
    background: rgba(5, 150, 105, 0.15);
    color: #34d399;
}

/* Empty / Login */
[data-theme="dark"] .om-dd-empty {
    color: var(--text-muted);
}

[data-theme="dark"] .om-dd-empty-sub {
    color: var(--grey-600) !important;
}

[data-theme="dark"] .om-dd-login p {
    color: var(--text-muted);
}

/* Context menu */
[data-theme="dark"] .om-context-menu {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .om-context-menu button {
    color: var(--text-primary);
}

[data-theme="dark"] .om-context-menu button:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .om-context-menu button svg {
    color: var(--text-muted);
}

[data-theme="dark"] .om-context-divider {
    background: var(--border-color);
}

[data-theme="dark"] .om-context-danger:hover {
    background: rgba(220, 38, 38, 0.15) !important;
}

/* Version history */
[data-theme="dark"] .om-version-back {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .om-version-back:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .om-version-back svg {
    color: var(--text-muted);
}

[data-theme="dark"] .om-version-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .om-version-item.current {
    border-color: #0055ff;
    background: rgba(0, 85, 255, 0.08);
}

[data-theme="dark"] .om-version-num {
    color: var(--text-primary);
}

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

[data-theme="dark"] .om-notification {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}