/* ===== Global Settings Panel ===== */

.settings-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}
.settings-overlay.open {
    opacity: 1;
    visibility: visible;
}

.settings-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-card);
    z-index: 950;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.settings-panel.open {
    opacity: 1;
    pointer-events: auto;
}

.settings-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.settings-panel-header h2 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}
.settings-panel-close {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    line-height: 1;
}
.settings-panel-close:hover {
    background: var(--red);
    border-color: var(--red);
    color: white;
}

/* Tab bar inside panel */
.settings-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0 12px;
    flex-shrink: 0;
    overflow-x: auto;
}
.settings-tab {
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    font-family: inherit;
    transition: color 0.15s, border-color 0.15s;
}
.settings-tab:hover {
    color: var(--text);
}
.settings-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Tab content area */
.settings-tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}
.settings-tab-content.active {
    display: block;
}

/* Overview tab */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}
.overview-card {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 14px;
    transition: transform var(--transition-fast);
}
.overview-card:hover {
    transform: translateY(-1px);
}
.overview-card-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.overview-card-value {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
}
.overview-card-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Audit trail */
.audit-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.audit-filters select {
    padding: 5px 8px;
    font-size: 12px;
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
}

.audit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.audit-table th {
    text-align: left;
    padding: 8px 6px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 2px solid var(--border);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 2;
}
.audit-table td {
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.audit-row-clickable {
    cursor: pointer;
    transition: background var(--transition-fast);
}
.audit-row-clickable:hover {
    background: var(--bg-input);
}

.audit-action {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}
.audit-action-create { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.audit-action-update { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.audit-action-delete { background: rgba(239, 68, 68, 0.15); color: var(--red); }
.audit-action-scan { background: rgba(136, 136, 153, 0.15); color: var(--text-muted); }

.audit-details {
    display: none;
    padding: 8px 6px;
    font-size: 11px;
    font-family: monospace;
    color: var(--text-muted);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 200px;
    overflow-y: auto;
}
.audit-details.open {
    display: table-row;
}

/* Changelog */
.changelog-version {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.changelog-codename {
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 16px;
}
.changelog-body {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text);
}
.changelog-body strong {
    color: var(--text);
}

/* Gear button in sidebar header */
.btn-settings-gear {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}
.btn-settings-gear:hover {
    color: var(--text);
    background: var(--bg-input);
}

/* Light mode overrides */
[data-theme="light"] .settings-panel { background: #fff; }
[data-theme="light"] .settings-overlay { background: rgba(0, 0, 0, 0.2); }
[data-theme="light"] .settings-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
[data-theme="light"] .overview-card { background: #e8e8ee; }
[data-theme="light"] .audit-details { background: #f5f5f5; }