style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    height: 100dvh;
    background: #1a1a1a;
    color: #ccc;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 14px;
    overflow: hidden;
}

.app {
    display: grid;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    grid-template-rows: minmax(0, 1fr);
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    background: #111;
    border-right: 1px solid #333;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    min-height: 0;
    max-height: 100%;
}

.sidebar.collapsed {
    overflow: visible;
    border-right: none;
}

.sidebar.collapsed .sidebar-tabs {
    border-bottom: none;
}

.sidebar.collapsed .sidebar-tab-dropdown-wrap,
.sidebar.collapsed .sidebar-header-label {
    display: none;
}

.sidebar.collapsed .sidebar-panel {
    display: none;
}

.sidebar.collapsed .sidebar-resize-handle {
    display: none;
}

.sidebar.collapsed .sidebar-collapse-btn {
    position: fixed;
    top: 4px;
    left: 4px;
    z-index: 100;
    width: 28px;
    height: 32px;
    background: #222;
    border: 1px solid #333;
    border-radius: 4px;
}

.sidebar-collapse-btn {
    flex: 0 0 32px !important;
    font-size: 16px !important;
    padding: 0 !important;
    color: #777;
    border-bottom: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-collapse-btn:hover {
    color: #ddd !important;
}

.sidebar-settings-btn {
    flex: 0 0 36px;
    font-size: 16px;
    padding: 0;
    color: #777;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.sidebar-settings-btn:hover {
    color: #ddd;
}

.sidebar-settings-btn.active {
    color: #fc8;
    border-bottom-color: #fc8;
}

.sidebar.collapsed .sidebar-settings-btn {
    display: none;
}

.setting-checkbox {
    accent-color: #4a8;
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.sidebar-resize-handle {
    position: absolute;
    top: 0;
    right: -3px;
    width: 6px;
    height: 100%;
    cursor: col-resize;
    z-index: 20;
}

.sidebar-resize-handle:hover,
body.sidebar-resizing .sidebar-resize-handle {
    background: #4a8;
}

body.sidebar-resizing {
    cursor: col-resize !important;
    user-select: none;
}

/* Sidebar tabs */
.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid #333;
    flex-shrink: 0;
}

.sidebar-tab {
    flex: 1;
    padding: 10px 4px;
    font-size: 11px;
    font-weight: 600;
    color: #777;
    background: #111;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.sidebar-tab:hover {
    color: #bbb;
}

.sidebar-tab.active {
    color: #eee;
    border-bottom-color: #4a8;
}

/* Tab dropdown */
.sidebar-tab-dropdown-wrap {
    flex: 1;
    position: relative;
}

.sidebar-tab-dropdown {
    width: 100%;
    padding: 10px 8px;
    font-size: 11px;
    font-weight: 600;
    color: #eee;
    background: #111;
    border: none;
    border-bottom: 2px solid #4a8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}

.sidebar-tab-dropdown:hover {
    background: #1a1a1a;
}

.dropdown-arrow {
    font-size: 9px;
    color: #777;
}

.sidebar-tab-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a1a1a;
    border: 1px solid #333;
    border-top: none;
    z-index: 50;
    display: flex;
    flex-direction: column;
}

.sidebar-tab-option {
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 500;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    border-left: 2px solid transparent;
}

.sidebar-tab-option:hover {
    background: #222;
    color: #ccc;
}

.sidebar-tab-option.active {
    color: #eee;
    border-left-color: #4a8;
    background: #1f2f25;
}

/* Bit analysis grid */
.bit-grid {
    display: grid;
    gap: 2px;
    padding: 4px 12px;
}

.bit-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3px 2px;
    border-radius: 3px;
    font-size: 9px;
    min-height: 34px;
    cursor: default;
}

.bit-cell.used {
    background: #1a3a25;
    color: #8fc;
}

.bit-cell.used.caution {
    background: #3a3a1a;
    color: #fc8;
}

.bit-cell.used.always1 {
    background: #1a2a3a;
    color: #8cf;
}

.bit-cell.used.full {
    background: #3a1a1a;
    color: #f88;
}

.bit-cell.unused-expected {
    background: #3a1a1a;
    color: #f88;
}

.bit-cell.unused {
    background: #1a1a1a;
    color: #555;
}

.bit-cell.zero-padded {
    background: #2a1212;
    color: #c44;
}

.bit-label {
    font-size: 8px;
    opacity: 0.7;
    font-weight: 600;
}

.bit-value {
    font-size: 10px;
    font-weight: 600;
}


.bit-warning {
    padding: 2px 12px;
    font-size: 10px;
    color: #fc8;
}

.bit-warning-inline {
    color: #fc8;
}

.bit-region-labels {
    display: flex;
    gap: 4px;
    padding: 2px 12px 4px;
    font-size: 9px;
}

.bit-region {
    padding: 1px 4px;
    border-radius: 2px;
    font-weight: 600;
}

.bit-region.sign {
    color: #c8f;
    background: #2a1a2a;
}

.bit-region.exponent {
    color: #8cf;
    background: #1a2a3a;
}

.bit-region.mantissa {
    color: #8fc;
    background: #1a3a25;
}

/* Analysis stats grid */
.analysis-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding: 4px 12px;
}

.analysis-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #1a1a1a;
    border-radius: 3px;
    padding: 4px 8px;
    min-width: 60px;
    flex: 1;
}

.analysis-stat-value {
    font-size: 12px;
    font-weight: 600;
    color: #ccc;
}

.analysis-stat-label {
    font-size: 9px;
    color: #777;
    margin-top: 1px;
}

.analysis-warning {
    padding: 3px 12px 4px;
    font-size: 10px;
    color: #fc8;
}

.analysis-scope-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
}

.analysis-scope-badge {
    font-size: 10px;
    color: #aaa;
    background: #333;
    padding: 1px 6px;
    border-radius: 3px;
}

.analysis-scope-badge.analysis-scope-full {
    color: #8f8;
    background: #243024;
}

.analysis-full-btn {
    font-size: 10px;
    color: #8cf;
    background: none;
    border: 1px solid #446;
    border-radius: 3px;
    padding: 1px 8px;
    cursor: pointer;
}
.analysis-full-btn:hover {
    background: #223;
    border-color: #668;
}

.bit-sign-header {
    font-size: 11px;
    font-weight: 600;
    color: #aaa;
    padding: 6px 12px 2px;
    text-align: left;
}

.bit-grid-mini {
    padding: 2px 0;
}

.bit-grid-mini .bit-cell {
    min-height: 24px;
    padding: 2px 1px;
}

.bit-grid-mini .bit-label {
    font-size: 7px;
}

.bit-grid-mini .bit-value {
    font-size: 8px;
}

.bit-zero-row {
    font-size: 10px;
    color: #999;
    text-align: center;
    padding: 4px 0 2px;
}

.bit-depth-stat {
    padding: 2px 12px;
    font-size: 10px;
    color: #bbb;
}

.bit-depth-stat.bit-depth-primary {
    font-size: 12px;
    font-weight: 600;
    color: #ddd;
    padding-top: 4px;
}

/* wSNR recording quality */
.wsnr-result {
    padding: 4px 12px;
}

.wsnr-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.wsnr-grade {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.wsnr-grade-a { background: #1a3a25; color: #6f6; }
.wsnr-grade-b { background: #1a3a3a; color: #6cf; }
.wsnr-grade-c { background: #3a3a1a; color: #fc6; }
.wsnr-grade-d { background: #3a2a1a; color: #f96; }
.wsnr-grade-e { background: #3a1a1a; color: #f66; }

.wsnr-grade-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    vertical-align: middle;
}

.wsnr-snr {
    font-size: 14px;
    font-weight: 600;
    color: #ccc;
}

.wsnr-detail {
    font-size: 11px;
    color: #888;
    padding: 1px 0;
}

.wsnr-comparison {
    font-size: 11px;
    color: #aaf;
    padding: 4px 0 2px;
    font-weight: 600;
}

.wsnr-warnings {
    margin-top: 4px;
}

.wsnr-warning {
    padding: 2px 0;
    font-size: 10px;
    color: #fc8;
}

/* PSD panel */
.psd-controls-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
}

.psd-nfft-select {
    background: #222;
    color: #ccc;
    border: 1px solid #444;
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 11px;
}

.psd-filter-toggles {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 12px;
    font-size: 11px;
}

.psd-chart-wrap {
    padding: 4px 8px;
}

.psd-meta-text {
    font-size: 10px;
    color: #888;
    padding: 2px 0;
}

.psd-peak-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 10px;
    margin: 4px 0;
}

.psd-peak-table th {
    color: #888;
    font-weight: 500;
    text-align: right;
    padding: 2px 4px;
    border-bottom: 1px solid #333;
    white-space: nowrap;
}

.psd-peak-table th:first-child {
    width: 12px;
    text-align: center;
}

.psd-peak-row {
    cursor: default;
}

.psd-peak-row:hover {
    background: #1a2a3a;
}

.psd-peak-idx {
    text-align: center;
    padding: 2px 2px;
}

.psd-peak-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.psd-peak-freq,
.psd-peak-power {
    text-align: right;
    padding: 2px 4px;
    color: #ccc;
    font-variant-numeric: tabular-nums;
}

.psd-peak-bw {
    text-align: right;
    padding: 2px 4px;
    color: #999;
    font-variant-numeric: tabular-nums;
}

/* Pulse detection panel */
.pulse-list {
    max-height: 400px;
    overflow-y: auto;
    margin: 4px 0;
}

.pulse-item {
    display: flex;
    gap: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 11px;
    color: #aaa;
    border-left: 2px solid transparent;
    align-items: baseline;
}

.pulse-item:hover {
    background: #1a2a20;
    color: #ccc;
}

.pulse-item.selected {
    background: #1f2f25;
    color: #eee;
    border-left-color: #4a8;
}

.pulse-index {
    color: #6a6;
    font-weight: 600;
    min-width: 28px;
}

.pulse-time {
    min-width: 48px;
}

.pulse-dur {
    min-width: 40px;
    color: #888;
}

.pulse-freq {
    min-width: 48px;
    color: #8af;
}

.pulse-snr {
    color: #888;
    margin-left: auto;
}

/* Settings panel */
.sidebar-panel {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    min-height: 0;
}

.sidebar-panel-empty {
    padding: 16px;
    color: #555;
    font-size: 13px;
}

.sidebar-btn {
    display: block;
    width: calc(100% - 32px);
    margin: 6px 16px;
    padding: 5px 10px;
    background: #1a3a2a;
    border: 1px solid #3a6a4a;
    border-radius: 4px;
    color: #ccc;
    font-size: 12px;
    cursor: pointer;
}
.sidebar-btn:hover {
    background: #1a5a3a;
    border-color: #4a8a5a;
}

/* Annotation tree */
.annotation-tree {
    max-height: 300px;
    overflow-y: auto;
}
.annotation-tree-item {
    display: flex;
    align-items: center;
    padding: 3px 8px;
    cursor: pointer;
    gap: 4px;
    border: 1px solid transparent;
    border-radius: 3px;
    margin: 1px 2px;
    transition: background 0.1s;
    user-select: none;
}
.annotation-tree-item:hover {
    background: rgba(255, 255, 255, 0.05);
}
.annotation-tree-item.annotation-selected {
    background: rgba(80, 160, 255, 0.12);
    border-color: rgba(80, 160, 255, 0.3);
}
.annotation-tree-item.annotation-drop-target {
    border-color: rgba(120, 200, 80, 0.6);
    background: rgba(120, 200, 80, 0.08);
}
.annotation-tree-item.annotation-group-item {
    font-weight: 600;
}
.annotation-tree-item[draggable="true"] {
    cursor: grab;
}
.annotation-tree-item[draggable="true"]:active {
    cursor: grabbing;
    opacity: 0.6;
}
.annotation-collapse-toggle {
    font-size: 9px;
    color: #888;
    width: 12px;
    text-align: center;
    flex-shrink: 0;
}
.annotation-icon {
    font-size: 10px;
    color: #777;
    width: 14px;
    text-align: center;
    flex-shrink: 0;
}
.annotation-group-children {
    /* Children are indented via padding-left on each item */
}
.annotation-toolbar-btn {
    font-size: 11px;
    padding: 2px 5px;
    width: auto;
    margin: 0;
    background: transparent;
    border-color: rgba(80, 140, 90, 0.3);
    opacity: 0.7;
}
.annotation-toolbar-btn:hover {
    opacity: 1;
    background: rgba(26, 58, 42, 0.6);
}
.annotation-toolbar-btn:disabled {
    opacity: 0.3;
}

.annotation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 16px;
    cursor: pointer;
    gap: 4px;
}
.annotation-item:hover {
    background: rgba(255, 255, 255, 0.05);
}
.annotation-label {
    font-size: 12px;
    color: #aaa;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.annotation-delete {
    background: none;
    border: none;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}
.annotation-delete:hover {
    color: #e44;
}
.annotation-edit {
    background: none;
    border: none;
    color: #666;
    font-size: 12px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}
.annotation-edit:hover {
    color: #8cf;
}
.annotation-lock {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 0 2px;
    line-height: 1;
    transition: opacity 0.15s;
}
.annotation-lock.locked {
    color: #e88;
    opacity: 1.0;
    filter: saturate(2) brightness(1.2);
}
.annotation-lock.unlocked {
    color: #888;
    opacity: 0.45;
    filter: grayscale(1);
}
.annotation-lock.unlocked:hover {
    opacity: 0.7;
}
.annotation-lock.locked:hover {
    filter: saturate(2) brightness(1.4);
}
.annotation-label-input {
    flex: 1;
    background: #1a1a2e;
    border: 1px solid #446;
    color: #ddd;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
    outline: none;
    min-width: 0;
}
.annotation-label-input:focus {
    border-color: #68f;
}
.annotation-edit-fields {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}
.annotation-tags-input {
    font-size: 11px;
}
.annotation-tags {
    display: inline-flex;
    gap: 3px;
    margin-left: 4px;
    flex-shrink: 1;
    overflow: hidden;
}
.annotation-tag {
    display: inline-block;
    font-size: 10px;
    padding: 0 4px;
    border-radius: 3px;
    background: rgba(80, 160, 255, 0.15);
    color: #8bf;
    border: 1px solid rgba(80, 160, 255, 0.25);
    white-space: nowrap;
    line-height: 1.4;
    cursor: pointer;
}
.annotation-tag:hover {
    background: rgba(80, 160, 255, 0.3);
    border-color: rgba(80, 160, 255, 0.5);
}

.setting-group {
    padding: 4px 0;
}

.setting-group-title {
    padding: 6px 16px 4px;
    font-size: 11px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 16px;
    gap: 8px;
}

.setting-label {
    font-size: 13px;
    color: #999;
    flex-shrink: 0;
    min-width: 70px;
}

.setting-select {
    background: #222;
    color: #ccc;
    border: 1px solid #444;
    border-radius: 3px;
    padding: 3px 6px;
    font-size: 12px;
    cursor: pointer;
    min-width: 0;
    flex: 1;
    max-width: 100px;
}

.setting-select:hover {
    border-color: #666;
}

.mic-info {
    padding: 2px 16px 4px;
}

.mic-info-row {
    display: flex;
    align-items: center;
    padding: 1px 0;
    gap: 8px;
    font-size: 11px;
}

.mic-info-label {
    color: #666;
    flex: 0 0 50px;
}

.mic-info-value {
    color: #aaa;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mic-info-refresh {
    margin-top: 4px;
    font-size: 11px;
}
.mic-mode-hint {
    font-size: 10px;
    color: #888;
    padding: 2px 16px 0;
}

/* ── Mic Chooser Modal ─────────────────────────────────────────────────── */
.mic-chooser-group-title {
    font-size: 11px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 0 4px;
    border-bottom: 1px solid #333;
    margin-bottom: 4px;
}
.mic-chooser-device {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    margin: 2px 0;
    transition: background 0.1s;
}
.mic-chooser-device:hover {
    background: #2a2a3e;
}
.mic-chooser-device.selected {
    background: #1a2a3a;
    border-left: 3px solid #4a9eff;
}
.mic-chooser-device-name {
    font-size: 13px;
    color: #e0e0e0;
    font-weight: 500;
}
.mic-chooser-device-badge {
    font-size: 10px;
    color: #4a9eff;
    margin-left: 8px;
    font-weight: 400;
}
.mic-chooser-device-badge.sel {
    color: #4a8;
}
.mic-chooser-device-badge.warn {
    color: #fc8;
}
.mic-chooser-device-caps {
    font-size: 11px;
    color: #888;
    margin-top: 2px;
}

/* ── Debug Log Panel ────────────────────────────────────────────────────── */
.debug-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.debug-panel-toolbar {
    display: flex;
    gap: 6px;
    padding: 6px 8px;
    border-bottom: 1px solid #333;
    flex-shrink: 0;
}
.debug-panel-log {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
    font-family: monospace;
    font-size: 11px;
    line-height: 1.4;
    user-select: text;
    -webkit-user-select: text;
}
.debug-panel-empty {
    color: #666;
    padding: 12px;
    text-align: center;
}
.debug-entry {
    display: flex;
    gap: 4px;
    padding: 1px 0;
    word-break: break-all;
}
.debug-time {
    color: #666;
    flex-shrink: 0;
    min-width: 50px;
}
.debug-level-info { color: #888; flex-shrink: 0; }
.debug-level-warn { color: #cc6; flex-shrink: 0; }
.debug-level-error { color: #e66; flex-shrink: 0; }
.debug-msg { color: #ccc; }

.setting-slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.setting-range {
    flex: 1;
    min-width: 0;
}

.setting-button {
    font-size: 11px;
    padding: 2px 8px;
    background: #333;
    color: #ccc;
    border: 1px solid #555;
    border-radius: 3px;
    cursor: pointer;
}
.setting-button:hover {
    background: #444;
}

.setting-value {
    font-size: 11px;
    color: #888;
    min-width: 42px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.setting-value.metadata-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
}

.metadata-row {
    position: relative;
}

.copy-btn {
    display: none;
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    border: 1px solid #555;
    border-radius: 3px;
    color: #aaa;
    font-size: 11px;
    padding: 1px 4px;
    cursor: pointer;
    line-height: 1;
}

.copy-btn:hover {
    background: #444;
    color: #ddd;
    border-color: #777;
}

.metadata-row:hover .copy-btn {
    display: block;
}

.hash-calc-btn {
    background: #333;
    color: #aaa;
    border: 1px solid #555;
    border-radius: 3px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 11px;
    font-family: inherit;
}

.hash-calc-btn:hover:not(:disabled) {
    background: #444;
    color: #ddd;
    border-color: #777;
}

.hash-calc-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.hash-indicator {
    display: none;
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    line-height: 1;
}
.hash-indicator.match {
    display: block;
    color: #4caf50;
}
.hash-indicator.mismatch {
    display: block;
    color: #e53935;
}
.metadata-row:hover .hash-indicator {
    right: 28px;
}
.hash-from-ref {
    opacity: 0.55;
    font-style: italic;
}
.hash-note {
    font-style: italic;
    color: #ff9800;
    font-size: 11px;
}

.copy-report-row {
    display: flex;
    justify-content: flex-end;
    padding: 6px 12px 0;
}

.copy-report-btn {
    font-size: 10px;
    padding: 2px 8px;
    background: #2a2a2a;
    color: #888;
    border: 1px solid #444;
    border-radius: 3px;
    cursor: pointer;
}

.copy-report-btn:hover {
    color: #ccc;
    background: #333;
    border-color: #666;
}

.metadata-source-badge {
    font-size: 9px;
    color: #666;
    background: #222;
    border: 1px solid #444;
    border-radius: 3px;
    padding: 0 4px;
    margin-left: 6px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    vertical-align: middle;
}

.drop-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    min-height: 0;
}

.drop-zone.drag-over {
    background: #1a2a1a;
    outline: 2px dashed #4a8;
    outline-offset: -4px;
}

.drop-hint {
    padding: 24px 16px;
    text-align: center;
    color: #666;
    font-style: italic;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-btn {
    padding: 6px 16px;
    background: #333;
    color: #ccc;
    border: 1px solid #555;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-style: normal;
}

.upload-btn:hover {
    background: #444;
    color: #fff;
}

.add-files-btn {
    background: transparent;
    border: 1px dashed #444;
    color: #777;
    font-size: 12px;
    padding: 4px 10px;
    margin-top: 4px;
    width: 100%;
}

.add-files-btn:hover {
    border-color: #666;
    color: #aaa;
    background: #2a2a2a;
}

.file-sort-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-bottom: 1px solid #222;
}

.file-sort-label {
    font-size: 11px;
    color: #666;
}

.file-sort-select {
    background: #222;
    color: #aaa;
    border: 1px solid #444;
    border-radius: 3px;
    font-size: 11px;
    padding: 1px 4px;
    cursor: pointer;
    outline: none;
}

.file-sort-select:hover {
    border-color: #666;
    color: #ccc;
}

.file-sort-select:focus {
    border-color: #557;
}

.file-preview-toggle {
    margin-left: auto;
    background: none;
    border: 1px solid #444;
    border-radius: 3px;
    color: #888;
    font-size: 13px;
    padding: 0 4px;
    cursor: pointer;
    line-height: 1.4;
    opacity: 0.7;
}

.file-preview-toggle:hover {
    border-color: #666;
    opacity: 1;
}

.file-preview-toggle.active {
    color: #ccc;
    opacity: 1;
}

.demo-picker {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 4px;
}

.demo-item {
    padding: 5px 10px;
    background: #2a2a2a;
    color: #ccc;
    border: 1px solid #444;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    font-size: 0.85em;
    font-style: normal;
}

.demo-item:hover {
    background: #3a3a3a;
    color: #fff;
    border-color: #666;
}

.file-list {
    list-style: none;
}

.file-item {
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 1px solid #222;
}

.file-item:hover {
    background: #222;
}

.file-item.active {
    background: #1a3a5a;
    color: #fff;
}

.file-item.selected {
    background: #2a2a3a;
    outline: 1px solid #5577aa;
    outline-offset: -1px;
}

.file-item.active.selected {
    background: #1a3a5a;
    outline: 1px solid #6699cc;
    outline-offset: -1px;
}

/* Timeline creation bar */
.timeline-create-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    background: #1a2a3a;
    border: 1px solid #335;
    border-radius: 4px;
    margin-bottom: 4px;
    font-size: 11px;
    color: #8ab;
}

.timeline-create-btn {
    background: #2a5a8a;
    color: #fff;
    border: none;
    border-radius: 3px;
    padding: 3px 10px;
    cursor: pointer;
    font-size: 11px;
    white-space: nowrap;
}

.timeline-create-btn:hover {
    background: #3a6a9a;
}

/* Timeline active banner */
.timeline-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    background: #1a3a2a;
    border: 1px solid #3a6a4a;
    border-radius: 4px;
    margin-bottom: 4px;
    font-size: 11px;
    color: #8cb8a0;
}

.timeline-banner-label {
    flex: 1;
}

.timeline-exit-btn {
    background: none;
    border: none;
    color: #8cb8a0;
    cursor: pointer;
    font-size: 14px;
    padding: 0 4px;
    line-height: 1;
}

.timeline-exit-btn:hover {
    color: #f88;
}

/* Main area */
.main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    min-height: 0;
    max-height: 100%;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: calc(8px + env(safe-area-inset-top, 0px)) 16px 8px 16px;
    background: #181818;
    border-bottom: 1px solid #333;
    flex-shrink: 0;
}

.spectrogram-container {
    flex: 3;
    position: relative;
    min-height: 0;
    background: #000;
}

.spectrogram-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.waveform-container {
    flex: 1;
    position: relative;
    min-height: 60px;
    max-height: 150px;
    background: #0a0a0a;
    border-top: 1px solid #333;
}

.waveform-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ── Playhead overlays (DOM-based for smooth animation) ──────────────── */

.playhead-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 2px;
    background: rgba(255, 80, 80, 0.9);
    pointer-events: none;
    will-change: transform;
    z-index: 2;
}

.playhead-dot {
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 80, 80, 0.9);
    pointer-events: none;
    will-change: transform;
    z-index: 2;
    margin-left: -3px;
}

.time-axis-tooltip {
    position: absolute;
    bottom: 18px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: rgba(255, 255, 255, 0.9);
    font-size: 11px;
    font-family: system-ui, sans-serif;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
}

.analysis-panel {
    padding: 8px 16px;
    background: #181818;
    border-top: 1px solid #333;
    font-size: 13px;
    color: #999;
    flex-shrink: 0;
    min-height: 32px;
}

.analysis-panel span {
    margin-right: 20px;
}

/* ── Bottom toolbar ── */
.bottom-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    padding-top: 0;
    background: #1a1a1a;
    border-top: 1px solid #333;
    flex-shrink: 0;
    overflow: visible;
    position: relative;
    z-index: 15;
    flex-wrap: wrap;
}

/* When a combo dropdown is open, lift toolbar above .main-overlays (z-index: 20)
   so the panel isn't hidden behind floating overlay buttons like Spec|View */
.bottom-toolbar:has(.combo-btn-row.open) {
    z-index: 25;
}

.bottom-toolbar-drag-handle {
    width: 100%;
    height: 10px;
    cursor: ns-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    touch-action: none;
}

.bottom-toolbar-drag-grip {
    width: 40px;
    height: 3px;
    border-radius: 2px;
    background: #444;
    transition: background 0.15s;
}

.bottom-toolbar-drag-handle:hover .bottom-toolbar-drag-grip,
.bottom-toolbar-drag-handle:active .bottom-toolbar-drag-grip {
    background: #777;
}

.bottom-toolbar-sep {
    width: 1px;
    height: 24px;
    background: #333;
    margin: 0 4px;
    flex-shrink: 0;
}

/* Toolbar elements */
.toolbar button {
    background: #333;
    color: #ccc;
    border: 1px solid #555;
    padding: 4px 12px;
    cursor: pointer;
    border-radius: 3px;
    font-size: 13px;
}

.toolbar button:hover {
    background: #444;
}

.toolbar button.active {
    background: #1a5a3a;
    border-color: #4a8;
}

.toolbar label {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #999;
    font-size: 13px;
}

.toolbar input[type="range"] {
    width: 100px;
}

.toolbar-sep {
    width: 1px;
    height: 20px;
    background: #444;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: #555;
    font-size: 18px;
    position: relative;
}

/* Toolbar brand */
.toolbar-brand {
    font-weight: 700;
    font-size: 15px;
    color: #eee;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* Title center area — two-row layout: row 1 = status + filename, row 2 = info/CC */
.toolbar-title-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    min-width: 0; /* allow shrinking */
    overflow: visible;
    gap: 1px;
}

.toolbar-title-row {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    width: 100%;
}

.toolbar-info-row,
.toolbar-badge-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    position: relative;
    flex-wrap: wrap;
}

.toolbar-status-icons {
    flex-shrink: 0;
    font-size: 14px;
    line-height: 1;
    min-width: 20px; /* reserve space so filename doesn't shift */
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

/* CSS-rendered recording dot for the heading (cross-platform, pulsing) */
.toolbar-rec-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #e44;
    flex-shrink: 0;
    animation: toolbar-rec-pulse 1.2s ease-in-out infinite;
}

@keyframes toolbar-rec-pulse {
    0%, 100% { opacity: 1.0; }
    50% { opacity: 0.4; }
}

.toolbar-title-filename {
    color: #bbb;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
    direction: ltr;
    text-align: center;
}

.toolbar-info-btn {
    flex-shrink: 0;
    background: none !important;
    border: none !important;
    color: #888;
    font-size: 16px;
    padding: 2px 4px !important;
    cursor: pointer;
    line-height: 1;
    border-radius: 3px;
}

.toolbar-info-btn:hover {
    color: #ccc;
    background: rgba(255, 255, 255, 0.1) !important;
}

.toolbar-cc-badge {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 3px;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #bbb;
    font-size: 10px;
    padding: 2px 6px !important;
    cursor: pointer;
    border-radius: 3px;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    max-width: 160px;
}

.toolbar-cc-badge:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #eee;
}

.toolbar-cc-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    vertical-align: middle;
    background-color: currentColor;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='9' stroke='white' stroke-width='1.5' fill='none'/%3E%3Ctext x='10' y='13.5' text-anchor='middle' font-size='10' font-weight='700' font-family='Arial,sans-serif' fill='white'%3ECC%3C/text%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='9' stroke='white' stroke-width='1.5' fill='none'/%3E%3Ctext x='10' y='13.5' text-anchor='middle' font-size='10' font-weight='700' font-family='Arial,sans-serif' fill='white'%3ECC%3C/text%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

.toolbar-cc-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Undo/Redo buttons in toolbar */
.toolbar-undo-redo {
    display: flex;
    gap: 2px;
    align-items: center;
    margin-left: auto;
    margin-right: 36px;
    flex-shrink: 0;
}

.toolbar-undo-btn {
    background: transparent !important;
    border: 1px solid transparent !important;
    color: #999;
    font-size: 16px;
    padding: 2px 6px !important;
    cursor: pointer;
    border-radius: 3px;
    line-height: 1;
}

.toolbar-undo-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #eee;
}

.toolbar-undo-btn:disabled {
    opacity: 0.25;
    cursor: default;
}

/* Mode group — radio-style buttons */
.mode-group {
    display: flex;
    gap: 0;
}

.mode-btn {
    background: #2a2a2a !important;
    border: 1px solid #444 !important;
    border-radius: 0 !important;
    padding: 4px 14px !important;
    font-size: 12px !important;
    font-weight: 600;
    color: #888 !important;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.mode-btn:first-child {
    border-radius: 3px 0 0 3px !important;
}

.mode-btn:last-child {
    border-radius: 0 3px 3px 0 !important;
}

.mode-btn:not(:first-child) {
    border-left: none !important;
}

.mode-btn:hover {
    background: #383838 !important;
    color: #bbb !important;
}

.mode-btn.active {
    background: #1a5a3a !important;
    border-color: #4a8 !important;
    color: #fff !important;
}

/* Play/Stop button */
.play-btn {
    min-width: 60px;
    font-weight: 600 !important;
}

.play-btn.playing {
    background: #5a2020 !important;
    border-color: #a44 !important;
    color: #fff !important;
}

/* Mode-specific parameter controls */
.mode-param {
    color: #aaa !important;
    font-variant-numeric: tabular-nums;
    min-width: 120px;
}

.mode-param-value {
    display: inline-block;
    min-width: 52px;
    text-align: right;
}

.mode-hint {
    color: #666;
    font-size: 12px;
    font-style: italic;
}

/* File item details */
.file-item-header {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.file-item-name {
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.file-item-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 3px;
}

.file-item:hover .file-item-close {
    color: #999;
}

.file-item.active .file-item-close {
    color: #88a;
}

.file-item-close:hover {
    background: #c33;
    color: #fff;
}

.file-item-info {
    font-size: 11px;
    color: #777;
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.file-item.active .file-item-info {
    color: #99b;
}

.file-preview-canvas {
    display: block;
    width: 100%;
    height: 40px;
    border-radius: 2px;
    margin-bottom: 4px;
    image-rendering: pixelated;
}

/* Loading indicator */
.file-item.loading {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #888;
    font-size: 12px;
    cursor: default;
}

.loading-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid #444;
    border-top-color: #4a8;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

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

.loading-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}
.loading-name {
    font-size: 11px;
    color: #aaa;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.loading-stage {
    font-size: 11px;
    color: #888;
}
.loading-bar {
    height: 3px;
    background: #333;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1px;
}
.loading-bar-fill {
    height: 100%;
    background: #4a8;
    transition: width 0.3s ease;
}

/* Filter panel */
.filter-band-mode {
    display: flex;
    gap: 0;
    padding: 4px 16px;
}

.filter-band-mode .mode-btn {
    flex: 1;
    padding: 4px 8px !important;
    font-size: 12px !important;
}

.filter-set-btn {
    display: block;
    width: calc(100% - 32px);
    margin: 4px 16px;
    padding: 5px 8px;
    background: #2a2a2a;
    color: #aaa;
    border: 1px solid #444;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
}

.filter-set-btn:hover:not(:disabled) {
    background: #383838;
    color: #ccc;
}

.filter-set-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.filter-freq-display {
    padding: 3px 16px;
    font-size: 12px;
    color: #777;
    font-variant-numeric: tabular-nums;
}

.filter-mode-info {
    padding: 4px 16px;
    font-size: 12px;
    color: #777;
}

/* About dialog */
.about-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.about-dialog {
    background: #1e1e1e;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 24px 28px;
    max-width: 380px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.about-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.about-title {
    font-size: 22px;
    font-weight: 700;
    color: #eee;
    letter-spacing: 0.5px;
}

.about-version {
    font-size: 13px;
    color: #666;
}

.about-desc {
    font-size: 13px;
    color: #999;
    margin-bottom: 18px;
    line-height: 1.5;
}

.about-modes {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.about-mode {
    font-size: 12px;
    color: #888;
    line-height: 1.4;
}

.about-mode-tag {
    display: inline-block;
    background: #2a2a2a;
    border: 1px solid #444;
    border-radius: 3px;
    padding: 1px 6px;
    font-size: 11px;
    font-weight: 600;
    color: #aaa;
    margin-right: 6px;
    vertical-align: middle;
}

.about-close {
    display: block;
    margin-left: auto;
    background: #333;
    color: #ccc;
    border: 1px solid #555;
    border-radius: 4px;
    padding: 5px 18px;
    font-size: 13px;
    cursor: pointer;
}

.about-close:hover {
    background: #444;
    color: #fff;
}

/* ── Overview strip ─────────────────────────────────────────────────────── */

.overview-strip {
    height: 100px;
    flex-shrink: 0;
    position: relative;
    background: #000;
    border-bottom: 10px solid #000;
    /* overflow: visible so the View panel can extend upward into the toolbar area */
    overflow: visible;
    cursor: crosshair;
    /* z-index creates stacking context so the panel paints above the toolbar */
    z-index: 5;
}

.overview-strip canvas {
    width: 100%;
    height: 100%;
    display: block;
    image-rendering: pixelated;
}

.overview-nav {
    position: absolute;
    top: 4px;
    left: 4px;
    display: flex;
    gap: 2px;
    z-index: 10;
    pointer-events: auto;
}

.overview-nav-btn {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid rgba(80, 80, 80, 0.5);
    color: #999;
    border-radius: 4px;
    width: 24px;
    height: 22px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    backdrop-filter: blur(4px);
}

.overview-nav-btn:hover:not(:disabled) {
    background: rgba(50, 50, 50, 0.9);
    color: #eee;
}

.overview-nav-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

/* ── Main view area ─────────────────────────────────────────────────────── */

.main-view {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    /* overflow: visible so layer-panels can extend above this container */
    overflow: visible;
    min-height: 0;
}

/* VU meter — red level indicator on right edge during recording/listening */
.vu-meter {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 3px;
    background: #f44;
    z-index: 25;
    pointer-events: none;
    transition: height 0.05s linear;
    border-radius: 1px 1px 0 0;
}

/* Spectrogram and waveform canvases clip their own content */
.spectrogram-container,
.waveform-container {
    overflow: hidden;
}

/* When waveform is the main panel (not the sub-strip below spectrogram),
   wrap it in this to override the max-height cap */
.main-waveform-full {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.main-waveform-full .waveform-container {
    max-height: none;
    flex: 1;
    min-height: 0;
}

.main-overlays {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* Floating controls/panels must render above the bottom toolbar without
       lifting the entire main view above it. */
    z-index: 20;
    /* Allow panels to overflow upward into the overview strip area */
    overflow: visible;
}

/* ── Layer buttons (shared pattern) ────────────────────────────────────── */

.layer-btn {
    pointer-events: auto;
    background: rgba(20, 20, 20, 0.85);
    border: 1px solid rgba(80, 80, 80, 0.45);
    border-radius: 6px;
    color: #bbb;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 9px 5px;
    backdrop-filter: blur(4px);
    user-select: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    white-space: nowrap;
    letter-spacing: 0.2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.2;
}

.combo-btn-text {
    display: grid;
    grid-template-rows: 9px 14px;
    align-items: end;
    justify-items: center;
    min-height: 23px;
}

.layer-btn-category {
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    opacity: 0.55;
    line-height: 1;
    min-height: 9px;
}

.layer-btn-value {
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    color: #ddd;
}

/* Don't force uppercase on combo-left categories (e.g. "with" for DSP) */
.combo-btn-left .layer-btn-category {
    text-transform: none;
}

/* ── Combo button (split toggle + dropdown) ──────────────────────────── */

.combo-btn-row {
    position: relative;
    display: flex;
}

.combo-btn-row.open {
    z-index: 60;
}

.combo-btn-left {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    min-height: 38px;
}

.combo-btn-right {
    position: relative;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 4px 18px 5px 7px;
    min-width: 0;
    min-height: 38px;
}

.combo-btn-right.dim .layer-btn-value {
    opacity: 0.55;
}

.combo-btn-right .combo-btn-text {
    justify-items: end;
}

.combo-btn-arrow {
    position: absolute;
    right: 7px;
    bottom: 7px;
    font-size: 9px;
    opacity: 0.55;
    line-height: 1;
}

.layer-btn:hover {
    background: rgba(45, 45, 45, 0.95);
    border-color: rgba(130, 130, 130, 0.6);
    color: #eee;
}

.layer-btn.active, .layer-btn.open {
    background: rgba(26, 60, 40, 0.92);
    border-color: rgba(80, 180, 130, 0.6);
    color: #8fc;
}

.layer-btn.mic-armed {
    background: rgba(40, 40, 20, 0.92);
    border-color: rgba(200, 180, 60, 0.6);
    color: #fc8;
}

.layer-btn.mic-recording {
    background: rgba(60, 20, 20, 0.92);
    border-color: rgba(220, 60, 60, 0.6);
    color: #f66;
    animation: mic-pulse 1s ease-in-out infinite;
}

@keyframes mic-pulse {
    0%, 100% { border-color: rgba(220, 60, 60, 0.6); }
    50% { border-color: rgba(220, 60, 60, 1.0); }
}

/* Record button circle — CSS-rendered dot replaces Unicode ● for cross-platform consistency */
.rec-btn:not(.mic-recording) .layer-btn-value {
    font-size: 0; /* hide the Unicode ● character */
    position: relative;
}
.rec-btn:not(.mic-recording) .layer-btn-value::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: #e44;
}
.rec-btn.mic-recording .layer-btn-value {
    color: #f66;
}

/* Show "?" text next to the CSS red dot when mic selection is needed */
.rec-btn.mic-ask:not(.mic-recording) .layer-btn-value {
    font-size: 12px;
    color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.layer-btn.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/* Mobile: slightly larger record dot */
.bottom-toolbar.mobile .rec-btn:not(.mic-recording) .layer-btn-value::before {
    width: 20px;
    height: 20px;
}

/* ── Mobile bottom toolbar ─────────────────────────────────────────────── */

.bottom-toolbar.mobile {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    overflow: visible;
}

.bottom-toolbar.mobile .layer-btn {
    padding: 6px 8px 7px;
    min-height: 48px;
    font-size: 13px;
    justify-content: center;
    overflow: hidden;
}

/* Combo buttons fill their grid cell */
.bottom-toolbar.mobile .combo-btn-row {
    min-width: 0;
}

.bottom-toolbar.mobile .combo-btn-left {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.bottom-toolbar.mobile .combo-btn-text {
    grid-template-rows: 10px 17px;
    min-height: 27px;
}

.bottom-toolbar.mobile .layer-btn-category {
    font-size: 9px;
}

.bottom-toolbar.mobile .layer-btn-value {
    font-size: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    white-space: nowrap;
}

.bottom-toolbar.mobile .combo-btn-right {
    padding: 6px 20px 7px 8px;
    min-height: 48px;
}

.bottom-toolbar.mobile .combo-btn-arrow {
    right: 8px;
    bottom: 9px;
    font-size: 10px;
}

/* Hide separators on mobile — grid handles row layout */
.bottom-toolbar.mobile .bottom-toolbar-sep {
    display: none;
}

/* Drag handle spans full grid width */
.bottom-toolbar.mobile .bottom-toolbar-drag-handle {
    grid-column: 1 / -1;
    height: 14px;
}

.bottom-toolbar.mobile .bottom-toolbar-drag-grip {
    width: 50px;
    height: 4px;
}

/* Popups positioned above multi-row toolbar on mobile */
/* Panel uses JS-computed bottom via toolbar height; fallback to safe estimate */
.bottom-toolbar.mobile .layer-panel {
    position: fixed !important;
    bottom: calc(120px + env(safe-area-inset-bottom, 0px)) !important;
    left: 8px !important;
    right: auto !important;
    z-index: 1000 !important;
}

/* Toolbar listen/record controls */
.toolbar-listen-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.toolbar-listen-btn {
    background: transparent;
    color: #bbb;
    border: none;
    padding: 6px 14px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.toolbar-listen-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #eee;
}

.toolbar-listen-btn.active {
    background: rgba(200, 180, 60, 0.15);
    color: #fc8;
}

.toolbar-het-slider {
    width: 80px;
    accent-color: #fc8;
}

.toolbar-record-btn {
    background: transparent;
    color: #bbb;
    border: none;
    padding: 6px 14px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.toolbar-record-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #eee;
}

.toolbar-record-btn.active {
    background: rgba(220, 60, 60, 0.15);
    color: #f66;
    animation: rec-pulse 1s ease-in-out infinite;
}

@keyframes rec-pulse {
    0%, 100% { background: rgba(220, 60, 60, 0.1); }
    50% { background: rgba(220, 60, 60, 0.22); }
}

/* File badges (track groups, streaming) */
.file-badge {
    font-size: 10px;
    padding: 0 3px;
    margin-right: 4px;
    border-radius: 2px;
    white-space: nowrap;
    flex-shrink: 0;
}
.file-badge-track {
    color: #668;
    background: #222;
}
.file-badge-track.highlighted {
    color: #adf;
    background: #1a3a5a;
}
.file-item.active .file-badge-track {
    color: #adf;
    background: #255080;
}
.file-badge-seq {
    color: #7a7;
    background: #1a2a1a;
}
.file-item.active .file-badge-seq {
    color: #afa;
    background: #254025;
}
.file-badge-streaming {
    color: #a90;
    background: #221800;
}
.file-item.active .file-badge-streaming {
    color: #fc8;
    background: #332200;
}

/* Sequence gap indicators */
.seq-gap-row {
    font-size: 10px;
    color: #666;
    text-align: center;
    padding: 1px 8px;
    border-left: 2px solid #2a4a2a;
    margin-left: 8px;
}
.seq-gap-row.continuous {
    color: #4a8;
    border-left-color: #4a8;
}
.seq-gap-row.large-gap {
    color: #a86;
    border-left-color: #6a4a2a;
}
.seq-gap-row.unknown {
    color: #555;
    border-left-color: #333;
}

/* Unsaved asterisk indicator */
.file-unsaved-asterisk {
    color: #f80;
    font-weight: bold;
    margin-right: 2px;
    flex-shrink: 0;
}

/* Sample rate badge (bordered) */
.badge-sample-rate {
    border: 1px solid #555;
    border-radius: 3px;
    color: #aaa;
}
.toolbar-badge-row .badge-sample-rate {
    font-size: 11px;
}
.file-item.active .badge-sample-rate {
    border-color: #6688aa;
    color: #cde;
}

/* Bit depth badge (bordered) */
.badge-bit-depth {
    border: 1px solid #555;
    border-radius: 3px;
    color: #aaa;
}
.file-item.active .badge-bit-depth {
    border-color: #6688aa;
    color: #cde;
}

/* Duration text in badge row */
.badge-duration {
    color: #888;
    white-space: nowrap;
}
.toolbar-badge-row .badge-duration {
    color: #999;
}
.file-item.active .badge-duration {
    color: #aac;
}

/* Download button in badge row (file menu) */
.badge-download-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    padding: 0 2px;
    line-height: 1;
    margin-left: auto;
    flex-shrink: 0;
}
.badge-download-btn.unsaved {
    color: #fc8;
    opacity: 1;
}
.badge-download-btn.saved {
    color: #888;
    opacity: 0.4;
}
.badge-download-btn:hover {
    opacity: 1 !important;
    color: #fc8;
}

/* CC mini badge (file menu, non-clickable) */
.badge-cc-mini {
    display: inline-flex;
    align-items: center;
    color: #999;
    margin-left: 2px;
    flex-shrink: 0;
}
.badge-cc-icon {
    width: 12px;
    height: 12px;
}

/* Clickable badges (toolbar dropdowns) */
.badge-clickable {
    cursor: pointer;
    background: none;
    border: none;
    font-size: 10px;
    padding: 0 3px;
    border-radius: 2px;
    white-space: nowrap;
}
.badge-clickable:hover {
    filter: brightness(1.3);
}

/* Toolbar unsaved badge */
.toolbar-unsaved-badge {
    font-size: 10px;
    color: #f80;
    background: rgba(255, 136, 0, 0.12);
    border: 1px solid rgba(255, 136, 0, 0.4);
    border-radius: 3px;
    padding: 0 5px;
    white-space: nowrap;
}

/* Toolbar download button */
.toolbar-download-btn {
    font-size: 11px;
    color: #fc8;
    background: rgba(255, 200, 100, 0.1);
    border: 1px solid rgba(255, 200, 100, 0.3);
    border-radius: 3px;
    padding: 1px 6px;
    cursor: pointer;
    white-space: nowrap;
}
.toolbar-download-btn:hover {
    background: rgba(255, 200, 100, 0.2);
}

/* Sequence/track dropdown panels */
.badge-dropdown-panel {
    position: absolute;
    z-index: 50;
    background: rgba(16, 16, 16, 0.97);
    border: 1px solid #3a3a3a;
    border-radius: 6px;
    padding: 6px 0;
    min-width: 180px;
    max-width: 320px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
}
.badge-dropdown-item {
    padding: 4px 12px;
    cursor: pointer;
    font-size: 12px;
    color: #ccc;
    display: flex;
    gap: 6px;
    align-items: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.badge-dropdown-item:hover {
    background: #2a2a2a;
}
.badge-dropdown-item.active {
    color: #fff;
    background: #1a3a5a;
}

.unsaved-banner {
    position: absolute;
    top: 4px;
    right: 60px;
    background: rgba(180, 130, 0, 0.85);
    color: #fff;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 3px;
    z-index: 20;
    pointer-events: auto;
    cursor: pointer;
}

.unsaved-banner:hover {
    background: rgba(200, 150, 0, 0.95);
}

.app-toast-container {
    position: absolute;
    top: 44px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    pointer-events: none;
}
.app-toast-container .status-toast {
    pointer-events: auto;
}

.status-toast {
    padding: 4px 10px;
    background: rgba(180, 60, 40, 0.9);
    border: 1px solid rgba(220, 80, 60, 0.6);
    border-radius: 4px;
    color: #fcc;
    font-size: 12px;
    white-space: nowrap;
}
.status-toast.status-toast-info {
    background: rgba(180, 150, 40, 0.9);
    border: 1px solid rgba(220, 190, 60, 0.6);
    color: #ffe;
}

/* ── Layer panels (shared popover style) ────────────────────────────────── */

.layer-panel {
    pointer-events: auto;
    position: absolute;
    z-index: 50;
    background: rgba(16, 16, 16, 0.97);
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    padding: 8px 6px;
    backdrop-filter: blur(10px);
    min-width: 170px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
    max-height: 70vh;
    overflow-y: auto;
}

.layer-panel-divider {
    height: 1px;
    background: #333;
    margin: 4px 0;
}

/* Selection combo button action buttons */
.sel-combo-action-btn {
    display: block;
    width: 100%;
    padding: 5px 8px;
    background: rgba(80, 180, 130, 0.15);
    border: 1px solid rgba(80, 180, 130, 0.4);
    border-radius: 4px;
    color: #8fc;
    font-size: 12px;
    cursor: pointer;
    text-align: left;
}

.sel-combo-action-btn:hover {
    background: rgba(80, 180, 130, 0.25);
    border-color: rgba(80, 180, 130, 0.6);
}

.sel-combo-action-btn.subtle {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    color: #bbb;
}

.sel-combo-action-btn.subtle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #eee;
}

.sel-combo-action-btn.danger {
    background: rgba(220, 60, 60, 0.1);
    border-color: rgba(220, 60, 60, 0.3);
    color: #f99;
}

.sel-combo-action-btn.danger:hover {
    background: rgba(220, 60, 60, 0.2);
    border-color: rgba(220, 60, 60, 0.5);
    color: #fcc;
}

/* Small inline +/x buttons next to freq range */
.sel-combo-freq-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.sel-combo-freq-btn.remove {
    background: rgba(220, 60, 60, 0.15);
    border: 1px solid rgba(220, 60, 60, 0.4);
    color: #f99;
}

.sel-combo-freq-btn.remove:hover {
    background: rgba(220, 60, 60, 0.3);
    color: #fcc;
}

.sel-combo-freq-btn.add {
    background: rgba(80, 180, 130, 0.15);
    border: 1px solid rgba(80, 180, 130, 0.4);
    color: #8fc;
}

.sel-combo-freq-btn.add:hover {
    background: rgba(80, 180, 130, 0.3);
    color: #bfe;
}

.sel-combo-input {
    width: 100%;
    padding: 3px 6px;
    background: #1a1a1a;
    border: 1px solid #444;
    border-radius: 3px;
    color: #ddd;
    font-size: 11px;
    outline: none;
    box-sizing: border-box;
}

.sel-combo-input:focus {
    border-color: #6da;
}

.layer-panel-title {
    font-size: 10px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 2px 8px 5px;
}

.layer-panel hr {
    border: none;
    border-top: 1px solid #2a2a2a;
    margin: 5px 2px;
}

.layer-panel-opt {
    display: block;
    width: 100%;
    text-align: left;
    padding: 5px 10px;
    background: none;
    border: none;
    border-radius: 4px;
    color: #999;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

.layer-panel-opt:hover {
    background: #202020;
    color: #ddd;
}

.layer-panel-opt.sel {
    color: #6da;
    font-weight: 600;
}

.layer-panel-opt.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

.layer-panel-slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px 3px 10px;
}

.layer-panel-slider-row label {
    font-size: 11px;
    color: #777;
    min-width: 70px;
}

.layer-panel-slider-row input[type="range"] {
    flex: 1;
    min-width: 0;
}

.layer-panel-slider-row span {
    font-size: 11px;
    color: #888;
    min-width: 42px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Peak source segmented radio buttons */
.peak-source-row {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 4px 10px;
}
.peak-source-label {
    font-size: 11px;
    color: #777;
    margin-right: 6px;
    white-space: nowrap;
}
.peak-src-btn {
    padding: 2px 8px;
    font-size: 11px;
    border: 1px solid #444;
    background: #1a1a1a;
    color: #999;
    cursor: pointer;
    margin-left: -1px;
}
.peak-src-btn:first-of-type {
    border-radius: 3px 0 0 3px;
    margin-left: 0;
}
.peak-src-btn:last-of-type {
    border-radius: 0 3px 3px 0;
}
.peak-src-btn:hover {
    background: #252525;
    color: #ddd;
}
.peak-src-btn.sel {
    background: #234;
    color: #6da;
    border-color: #6da;
    z-index: 1;
    position: relative;
}
.peak-src-btn.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/* Boost slider label */
.slider-label {
    font-size: 11px;
    color: #666;
    margin-right: 2px;
}

.het-text-row {
    cursor: pointer;
}
.het-text-row:hover .het-value {
    color: #0cf;
}
.het-value {
    font-size: 11px;
    color: #aaa;
    font-variant-numeric: tabular-nums;
}

/* Per-parameter auto toggle */
.auto-toggle {
    all: unset;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: bold;
    color: #666;
    background: rgba(255,255,255,0.06);
    cursor: pointer;
    margin-left: 4px;
    flex-shrink: 0;
}
.auto-toggle:hover {
    color: #aaa;
    background: rgba(255,255,255,0.12);
}
.auto-toggle.on {
    color: #0cf;
    background: rgba(0,200,255,0.15);
}

/* Factor text input (editable value next to slider) */
.factor-input {
    all: unset;
    width: 36px;
    min-width: 36px;
    font-size: 11px;
    color: #ccc;
    text-align: right;
    font-variant-numeric: tabular-nums;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 3px;
    padding: 1px 4px;
    cursor: text;
}
.factor-input:focus {
    outline: 1px solid rgba(0,200,255,0.4);
    background: rgba(255,255,255,0.1);
    color: #fff;
}

/* Factor preset buttons row */
.factor-presets {
    display: flex;
    gap: 2px;
    padding: 2px 8px 4px 10px;
}
.factor-preset {
    all: unset;
    font-size: 10px;
    color: #888;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(255,255,255,0.06);
    cursor: pointer;
    text-align: center;
    flex: 1;
}
.factor-preset:hover {
    color: #ccc;
    background: rgba(255,255,255,0.12);
}
.factor-preset.sel {
    color: #0cf;
    background: rgba(0,200,255,0.15);
}

/* Frequency summary (Input/Output display) */
.freq-summary {
    padding: 2px 10px 4px;
    font-size: 10px;
    color: #888;
    line-height: 1.4;
}
.freq-summary-output {
    cursor: default;
}
.freq-summary-output:hover {
    color: #6cf;
}

/* Layer panel container: wraps button + panel for positioning */
.layer-anchor {
    position: absolute;
    pointer-events: none;
}

.layer-anchor > * {
    pointer-events: auto;
}

/* ── Play controls (floating) ───────────────────────────────────────────── */

.play-controls {
    position: absolute;
    top: 10px;
    right: 12px;
    display: flex;
    gap: 5px;
    pointer-events: auto;
    z-index: 10;
}

/* ── Bookmark popup ─────────────────────────────────────────────────────── */

.bookmark-popup {
    position: absolute;
    bottom: 50px;
    right: 12px;
    background: rgba(16, 16, 16, 0.97);
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    padding: 10px;
    pointer-events: auto;
    z-index: 20;
    min-width: 160px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

.bookmark-popup-title {
    font-size: 10px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.bookmark-item {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    border-radius: 4px;
    color: #aaa;
    font-size: 12px;
    padding: 4px 6px;
    cursor: pointer;
    font-variant-numeric: tabular-nums;
}

.bookmark-item:hover {
    background: #222;
    color: #eee;
}

.bookmark-popup-close {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 6px;
    padding: 4px;
    background: none;
    border: 1px solid #333;
    border-radius: 4px;
    color: #666;
    font-size: 11px;
    cursor: pointer;
}

.bookmark-popup-close:hover {
    color: #aaa;
    border-color: #555;
}

/* ── Mobile / Android ──────────────────────────────────────────────── */

.toolbar-menu-btn {
    background: none;
    border: none;
    color: #ccc;
    font-size: 22px;
    padding: 2px 8px;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
}

.toolbar-menu-btn:hover {
    color: #fff;
}

.toolbar-info-btn-mobile {
    background: none;
    border: none;
    color: #999;
    font-size: 20px;
    padding: 2px 4px;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
}

.toolbar-info-btn-mobile:hover {
    color: #ccc;
}

.sidebar.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    z-index: 200;
    padding-top: env(safe-area-inset-top);
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
    transition: transform 0.2s ease;
}

.sidebar.mobile-overlay.collapsed {
    transform: translateX(-100%);
    pointer-events: none;
    box-shadow: none;
}

.sidebar.mobile-overlay .sidebar-tabs {
    padding-top: 4px;
}

.sidebar-backdrop {
    display: none;
}

.sidebar-backdrop.open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 199;
}

/* ── Left sidebar header tab labels ────────────────────────────────── */
.sidebar-header-label {
    flex: 1;
    padding: 10px 8px;
    font-size: 11px;
    font-weight: 600;
    color: #777;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.sidebar-header-label:hover {
    color: #bbb;
}

.sidebar-header-label.active {
    color: #eee;
    border-bottom-color: #4a8;
}

/* ── Project panel ────────────────────────────────────────────────── */
.project-panel {
    padding: 12px 10px;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.project-panel-empty {
    color: #888;
    font-size: 12px;
    text-align: center;
    padding-top: 24px;
}

.project-panel-hint {
    color: #666;
    font-size: 11px;
    margin-top: 8px;
}

.project-panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    justify-content: center;
}

.project-btn {
    padding: 5px 12px;
    font-size: 11px;
    background: #2a5a3a;
    color: #cec;
    border: 1px solid #3a6a4a;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.15s;
}
.project-btn:hover { background: #3a6a4a; }
.project-btn:disabled { opacity: 0.4; cursor: default; }
.project-btn-secondary {
    background: #2a2a3a;
    color: #aac;
    border-color: #3a3a5a;
}
.project-btn-secondary:hover { background: #3a3a5a; }
.project-btn-danger {
    background: #3a2222;
    color: #daa;
    border-color: #5a3333;
}
.project-btn-danger:hover { background: #5a3333; }

.project-view {
    font-size: 12px;
}

.project-name-row {
    margin-bottom: 8px;
}
.project-name-input {
    width: 100%;
    padding: 4px 6px;
    font-size: 12px;
    font-weight: 600;
    background: #1a1a1a;
    color: #eee;
    border: 1px solid #333;
    border-radius: 3px;
    box-sizing: border-box;
}
.project-name-input:focus {
    border-color: #4a8;
    outline: none;
}

.project-meta {
    color: #888;
    font-size: 11px;
    margin-bottom: 6px;
}
.project-meta-sep { margin: 0 4px; }
.project-unsaved { color: #da5; }

.project-tauri-hint {
    font-size: 10px;
    color: #886;
    background: #1a1a10;
    border: 1px solid #332;
    border-radius: 3px;
    padding: 4px 6px;
    margin-bottom: 8px;
}

.project-section-header {
    font-size: 10px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 0 3px;
}
.project-section-hint {
    font-weight: 400;
    text-transform: none;
    color: #555;
    font-size: 9px;
}

.project-file-list {
    border-top: 1px solid #333;
    margin-top: 6px;
}

.project-file-item {
    padding: 4px 0;
    border-bottom: 1px solid #222;
    cursor: pointer;
}
.project-file-item:hover:not(.missing) {
    background: #1a1a2a;
}
.project-file-item.selected {
    background: #1a2a3a;
    border-left: 2px solid #4a8;
    padding-left: 4px;
}
.project-file-item.missing {
    opacity: 0.5;
    cursor: default;
}
.project-file-name {
    color: #ccc;
    font-size: 11px;
    word-break: break-all;
}
.project-file-status {
    color: #555;
    font-size: 9px;
}
.project-file-status.loaded {
    color: #4a8;
}
.project-file-info {
    color: #777;
    font-size: 10px;
    margin-top: 1px;
    padding-left: 14px;
}

.project-timeline-delete {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 13px;
    padding: 0 4px;
    margin-left: 6px;
}
.project-timeline-delete:hover {
    color: #f66;
}

.project-save-status {
    color: #888;
    font-style: italic;
}
.project-save-status.saved {
    color: #4a8;
}
.project-timeline-item {
    padding: 4px 0;
    border-bottom: 1px solid #222;
}
.project-timeline-item.clickable {
    cursor: pointer;
}
.project-timeline-item.clickable:hover {
    background: #282828;
}
.project-timeline-name {
    color: #aad;
    font-size: 11px;
}
.project-timeline-icon {
    color: #68a;
    font-size: 8px;
    margin-right: 4px;
}
.project-tab-dot {
    color: #4a8;
    font-size: 7px;
    margin-left: 3px;
    vertical-align: super;
}
.project-timelines-section {
    border-top: 1px solid #333;
    margin-top: 6px;
}

.project-meta-warn {
    color: #da5;
}

.project-groupings {
    font-size: 11px;
    color: #7a7;
    margin-bottom: 4px;
}

.project-new-files-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: #aad;
    background: #1a1a2a;
    border: 1px solid #2a2a4a;
    border-radius: 3px;
    padding: 4px 6px;
    margin-bottom: 6px;
}
.project-btn-inline {
    font-size: 10px;
    padding: 2px 8px;
    background: #2a3a5a;
    color: #aac;
    border: 1px solid #3a4a6a;
    border-radius: 3px;
    cursor: pointer;
    flex-shrink: 0;
    margin-left: 6px;
}
.project-btn-inline:hover { background: #3a4a6a; }

.project-notes-section {
    margin-top: 8px;
}
.project-notes-input {
    width: 100%;
    min-height: 48px;
    padding: 4px 6px;
    font-size: 11px;
    background: #1a1a1a;
    color: #ccc;
    border: 1px solid #333;
    border-radius: 3px;
    resize: vertical;
    box-sizing: border-box;
    font-family: inherit;
}
.project-notes-input:focus {
    border-color: #4a8;
    outline: none;
}

.project-merge-section {
    margin-top: 8px;
}
.project-merge-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.project-merge-count {
    font-size: 10px;
    color: #666;
}
.project-merge-status {
    font-size: 10px;
    color: #8a8;
    margin-top: 2px;
}

.project-list-picker {
    margin-top: 8px;
    border: 1px solid #333;
    border-radius: 3px;
    overflow: hidden;
}
.project-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 6px 8px;
    font-size: 11px;
    color: #ccc;
    background: #1a1a1a;
    border: none;
    border-bottom: 1px solid #222;
    cursor: pointer;
    text-align: left;
}
.project-list-item:last-child { border-bottom: none; }
.project-list-item:hover { background: #252530; }
.project-list-item-name {
    font-size: 11px;
    color: #ccc;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.project-list-item-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: #777;
    white-space: nowrap;
}
.project-list-item-date {
    color: #666;
}
.project-list-item-delete {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 11px;
    padding: 0 2px;
    line-height: 1;
}
.project-list-item-delete:hover {
    color: #f66;
}

.file-badge-tauri {
    color: #a8d;
    background: #2a1a3a;
    font-size: 9px;
    padding: 0 3px;
    margin-left: 3px;
    border-radius: 2px;
}

/* ── Right sidebar overrides ───────────────────────────────────────── */
.right-sidebar {
    border-right: none;
    border-left: 1px solid #333;
}

.right-sidebar.collapsed {
    border-left: none;
}

.right-sidebar .sidebar-collapse-btn {
    position: fixed;
    top: 4px;
    right: 4px;
    left: auto;
    z-index: 100;
    width: 28px;
    height: 32px;
    background: #222;
    border: 1px solid #333;
    border-radius: 4px;
}

.right-sidebar.collapsed .sidebar-collapse-btn {
    left: auto;
    right: 4px;
}

.right-sidebar .sidebar-resize-handle {
    right: auto;
    left: -3px;
}

.right-sidebar.mobile-overlay {
    left: auto;
    right: 0;
    box-shadow: -4px 0 20px rgba(0,0,0,0.5);
}

.right-sidebar.mobile-overlay.collapsed {
    transform: translateX(100%);
}

/* ── XC Browser Modal ───────────────────────────────────────────── */

.xc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.xc-modal {
    background: #1e1e2e;
    border: 1px solid #444;
    border-radius: 8px;
    width: min(90vw, 700px);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.xc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #333;
}

.xc-modal-title {
    font-size: 14px;
    font-weight: 600;
    color: #e0e0e0;
}

.xc-modal-close {
    background: none;
    border: none;
    color: #888;
    font-size: 20px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.xc-modal-close:hover {
    color: #fff;
}

.xc-section {
    padding: 10px 16px;
    border-bottom: 1px solid #2a2a3a;
}

.xc-info {
    color: #aaa;
    font-size: 12px;
    margin: 0 0 10px;
    line-height: 1.5;
}

.xc-info a {
    color: #6ea8fe;
}

.xc-key-form {
    display: flex;
    gap: 8px;
}

.xc-input {
    background: #2a2a3a;
    border: 1px solid #444;
    border-radius: 4px;
    color: #e0e0e0;
    padding: 6px 10px;
    font-size: 12px;
    outline: none;
}

.xc-input:focus {
    border-color: #6ea8fe;
}

.xc-search-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.xc-search-input {
    flex: 1;
}

.xc-btn {
    background: #3a3a4a;
    border: 1px solid #555;
    border-radius: 4px;
    color: #e0e0e0;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

.xc-btn:hover {
    background: #4a4a5a;
}

.xc-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.xc-btn-small {
    padding: 3px 8px;
    font-size: 11px;
}

.xc-btn-back {
    margin-bottom: 8px;
}

.xc-btn-load {
    padding: 3px 10px;
}

.xc-filters {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.xc-filters label {
    color: #aaa;
    font-size: 12px;
}

.xc-select {
    background: #2a2a3a;
    border: 1px solid #444;
    border-radius: 4px;
    color: #e0e0e0;
    padding: 5px 8px;
    font-size: 12px;
}

.xc-country-input {
    width: 120px;
    border-radius: 4px 0 0 4px;
    border-right: none;
}

.xc-combobox {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.xc-combobox-toggle {
    background: #2a2a3a;
    border: 1px solid #444;
    border-left: none;
    border-radius: 0 4px 4px 0;
    color: #888;
    padding: 6px 6px;
    font-size: 10px;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
}

.xc-combobox-toggle:hover {
    color: #e0e0e0;
    background: #3a3a4a;
}

.xc-combobox-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    max-height: 240px;
    overflow-y: auto;
    background: #2a2a3a;
    border: 1px solid #444;
    border-radius: 0 0 4px 4px;
    z-index: 50;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

.xc-combobox-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 5px 10px;
    background: none;
    border: none;
    color: #ccc;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

.xc-combobox-option:hover,
.xc-combobox-option.highlight {
    background: #3a3a5a;
    color: #fff;
}

.xc-combobox-option.sel {
    color: #6ea8fe;
    font-weight: 600;
}

.xc-cache-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.xc-cache-age {
    color: #888;
    font-size: 11px;
}

.xc-error {
    background: #3a1a1a;
    color: #ff8888;
    padding: 8px 16px;
    font-size: 12px;
    border-bottom: 1px solid #5a2a2a;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.xc-error-dismiss {
    background: none;
    border: none;
    color: #ff8888;
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    opacity: 0.7;
    flex-shrink: 0;
}
.xc-error-dismiss:hover {
    opacity: 1;
}

.xc-downloading {
    color: #8ac;
    padding: 8px 16px;
    font-size: 12px;
    border-bottom: 1px solid #334;
    animation: xc-pulse 1.5s ease-in-out infinite;
}

@keyframes xc-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.xc-loading {
    color: #aaa;
    padding: 16px;
    text-align: center;
    font-size: 12px;
}

/* Species list */

.xc-species-list {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.xc-list-header, .xc-species-row {
    display: grid;
    grid-template-columns: 1fr 1fr 60px;
    gap: 8px;
    padding: 6px 16px;
    font-size: 12px;
    align-items: center;
}

.xc-list-header {
    color: #888;
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    background: #1e1e2e;
}

.xc-species-row {
    background: none;
    border: none;
    border-bottom: 1px solid #2a2a3a;
    color: #ccc;
    cursor: pointer;
    text-align: left;
    width: 100%;
}

.xc-species-row:hover {
    background: #2a2a4a;
}

.xc-col-sci {
    color: #999;
    font-style: italic;
}

.xc-col-count {
    text-align: right;
    color: #888;
}

/* Recordings list */

.xc-recordings-header {
    padding: 8px 16px;
    color: #ccc;
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid #333;
}

.xc-recordings-list {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.xc-rec-header, .xc-rec-main {
    display: grid;
    grid-template-columns: 70px 1fr 24px 42px 1fr 56px;
    gap: 6px;
    padding: 5px 16px;
    font-size: 11px;
    align-items: center;
}

.xc-rec-header {
    color: #888;
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    background: #1e1e2e;
}

.xc-rec-row {
    border-bottom: 1px solid #2a2a3a;
    color: #ccc;
}

.xc-rec-row:hover {
    background: #2a2a4a;
}

.xc-rec-id {
    font-size: 11px;
}

.xc-rec-link {
    color: #6ea8fe;
    text-decoration: none;
}

.xc-rec-link:hover {
    text-decoration: underline;
}

.xc-rec-quality {
    text-align: center;
}

.xc-q-a { color: #4caf50; font-weight: 600; }
.xc-q-b { color: #8bc34a; }
.xc-q-c { color: #ffc107; }
.xc-q-d { color: #ff9800; }
.xc-q-e { color: #f44336; }

.xc-rec-length {
    text-align: right;
}

.xc-rec-loc {
    color: #999;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.xc-rec-action {
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.xc-rec-cached {
    color: #4caf50;
    font-size: 12px;
}

.xc-rec-detail {
    display: flex;
    gap: 6px;
    padding: 0 16px 4px 16px;
    flex-wrap: wrap;
}

.xc-rec-tag {
    font-size: 10px;
    color: #888;
    background: #2a2a3a;
    padding: 1px 6px;
    border-radius: 3px;
}

.xc-rec-smp {
    color: #9d8aef;
}

.xc-rec-recordist {
    color: #7aa;
}

.xc-result-count {
    color: #888;
    font-size: 11px;
    font-weight: 400;
}

.xc-result-summary {
    color: #888;
    font-size: 11px;
    padding: 4px 16px;
}

.xc-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 16px;
    border-top: 1px solid #333;
}

.xc-page-info {
    color: #888;
    font-size: 11px;
}

/* ── Bat Book ─────────────────────────────────────────────────────────────── */

/* Tab handle on the right edge; hidden while strip is open */
.bat-book-tab {
    position: absolute;
    bottom: 8px;
    right: 0;
    width: 24px;
    min-height: 56px;
    background: rgba(20, 20, 20, 0.88);
    border: 1px solid rgba(80, 80, 80, 0.45);
    border-right: none;
    border-radius: 6px 0 0 6px;
    color: #777;
    cursor: pointer;
    padding: 6px 3px;
    z-index: 11;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.bat-book-tab:hover {
    background: rgba(45, 45, 45, 0.95);
    color: #ccc;
}

.bat-book-tab.open {
    display: none;
}

.bat-book-tab-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
}

/* Strip (horizontal scrolling area) */
.bat-book-strip {
    flex-shrink: 0;
    background: #141414;
    border-top: 1px solid #2a2a2a;
    display: flex;
    flex-direction: column;
    overflow: visible;
    position: relative;
}

.bat-book-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-bottom: 1px solid #222;
    min-height: 22px;
}

.bat-book-title {
    font-size: 10px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

.bat-book-region-label {
    font-size: 10px;
    color: #4a8;
    user-select: none;
}

.bat-book-config-wrap {
    position: relative;
}

.bat-book-config-btn,
.bat-book-close-btn {
    background: none;
    border: none;
    color: #555;
    cursor: pointer;
    font-size: 13px;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.15s;
}

.bat-book-config-btn:hover,
.bat-book-close-btn:hover {
    color: #ccc;
}

/* Invisible full-screen backdrop to dismiss region menu on outside click */
.bat-book-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 29;
}

/* Region dropdown menu */
.bat-book-region-menu {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 0;
    min-width: 160px;
    max-height: 60vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: rgba(16, 16, 16, 0.97);
    backdrop-filter: blur(10px);
    border: 1px solid #444;
    border-radius: 6px;
    padding: 4px 0;
    z-index: 30;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}

.bat-book-region-opt {
    display: block;
    width: 100%;
    background: none;
    border: none;
    border-left: 2px solid transparent;
    color: #aaa;
    font-size: 12px;
    padding: 5px 12px;
    text-align: left;
    cursor: pointer;
    transition: background 0.1s;
}

.bat-book-region-opt:hover {
    background: #222;
    color: #eee;
}

.bat-book-region-opt.active {
    border-left-color: #4a8;
    background: #1f2f25;
    color: #8fc;
}

/* Scrollable chip area */
.bat-book-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    scrollbar-width: thin;
    scrollbar-color: #333 transparent;
    -webkit-overflow-scrolling: touch;
}

.bat-book-scroll::-webkit-scrollbar {
    height: 4px;
}

.bat-book-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.bat-book-scroll::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 2px;
}

/* Bat family chip */
.bat-book-chip {
    flex-shrink: 0;
    background: rgba(25, 25, 25, 0.9);
    border: 1px solid #333;
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 80px;
    min-height: 36px;
    transition: background 0.15s, border-color 0.15s;
    user-select: none;
}

.bat-book-chip:hover {
    background: #2a2a2a;
    border-color: #555;
}

.bat-book-chip.selected {
    background: rgba(26, 60, 40, 0.92);
    border-color: rgba(80, 180, 130, 0.6);
}

.bat-book-chip-name {
    font-size: 11px;
    font-weight: 600;
    color: #ccc;
    white-space: nowrap;
}

.bat-book-chip.selected .bat-book-chip-name {
    color: #8fc;
}

.bat-book-chip-freq {
    font-size: 9px;
    color: #777;
    white-space: nowrap;
}

/* Divider between echolocating and non-echolocating entries */
.bat-book-divider {
    flex-shrink: 0;
    width: 1px;
    height: 24px;
    background: #444;
    margin: 0 6px;
    align-self: center;
}

/* Auto-matched species chip — distinct styling */
.bat-book-chip.auto-matched {
    border-color: rgba(100, 200, 255, 0.5);
    background: rgba(20, 40, 60, 0.9);
}
.bat-book-chip.auto-matched:hover {
    background: rgba(30, 55, 80, 0.95);
}
.bat-book-chip.auto-matched.selected {
    border-color: rgba(100, 200, 255, 0.7);
    background: rgba(20, 50, 70, 0.95);
}

/* Vertical divider between auto-matched species and regional book */
.bat-book-auto-divider {
    flex-shrink: 0;
    width: 2px;
    background: rgba(100, 200, 255, 0.25);
    margin: 4px 6px;
    align-self: stretch;
    border-radius: 1px;
}

/* Star toggle in region dropdown */
.bat-book-star {
    cursor: pointer;
    margin-right: 4px;
    opacity: 0.3;
    font-size: 11px;
    transition: opacity 0.15s;
}
.bat-book-star:hover { opacity: 0.7; }
.bat-book-star.active { opacity: 1; color: #fc0; }

/* Separator in region dropdown */
.bat-book-region-separator {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 3px 0;
}

/* Reference panel (floating overlay, right side of main view) */
.bat-book-ref-panel {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 160px;
    max-height: calc(100% - 16px);
    background: rgba(14, 14, 14, 0.93);
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    z-index: 25;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    pointer-events: auto;
}

.ref-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-bottom: 1px solid #2a2a2a;
    gap: 4px;
    cursor: ns-resize;
}

.ref-panel-name {
    font-size: 12px;
    font-weight: 600;
    color: #ccc;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.ref-panel-count {
    font-weight: 400;
    color: #888;
    font-size: 10px;
}

.ref-panel-close {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.15s;
}

.ref-panel-close:hover {
    color: #eee;
}

.ref-panel-body {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.ref-panel-family {
    font-size: 10px;
    color: #888;
    font-style: italic;
}

.ref-panel-freq {
    font-size: 13px;
    font-weight: 600;
    color: #4a8;
}

.ref-panel-call-type {
    font-size: 10px;
    color: #777;
}

.ref-panel-entry {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ref-panel-entry + .ref-panel-entry {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid #2a2a2a;
}

.ref-panel-entry-name {
    font-size: 11px;
    font-weight: 600;
    color: #ccc;
}

.ref-panel-sci {
    font-size: 10px;
    color: #aaa;
    margin-top: -1px;
}

.ref-panel-commonness {
    font-size: 9px;
    color: #8a8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ref-panel-desc {
    font-size: 10px;
    color: #666;
    line-height: 1.4;
    margin-top: 2px;
}
.ref-panel-draft-notice {
    font-size: 9px;
    color: #887755;
    font-style: italic;
    padding-top: 6px;
    border-top: 1px solid #333;
    margin-top: 6px;
}

/* ── DSP Display Filter Panel ──────────────────────────────────────────────── */

.dsp-filter-row {
    display: grid;
    grid-template-columns: 42px 1fr 16px;
    gap: 4px 6px;
    align-items: center;
    padding: 2px 6px;
}

.dsp-filter-header {
    padding-bottom: 0;
    margin-bottom: -2px;
}

.dsp-filter-header .dsp-filter-seg span {
    font-size: 8px;
    text-transform: uppercase;
    color: #555;
    text-align: center;
    flex: 1;
}

.dsp-filter-label {
    font-size: 10px;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 0.5px;
}

.dsp-filter-seg {
    display: flex;
    gap: 1px;
}

.dsp-filter-seg button {
    flex: 1;
    font-size: 9px;
    padding: 3px 4px;
    background: rgba(40, 40, 40, 0.9);
    color: #777;
    border: 1px solid rgba(70, 70, 70, 0.5);
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
    font-family: inherit;
    line-height: 1;
    transition: background 0.1s, color 0.1s;
}

.dsp-filter-seg button:hover {
    background: rgba(60, 60, 60, 0.9);
    color: #ccc;
}

.dsp-filter-seg button.sel {
    background: rgba(40, 80, 60, 0.9);
    color: #6da;
    border-color: rgba(100, 200, 160, 0.4);
    font-weight: 700;
}

.dsp-filter-seg button.disabled {
    opacity: 0.25;
    pointer-events: none;
    cursor: default;
}

.dsp-filter-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    justify-self: center;
}

.dsp-filter-indicator.active {
    background: #6da;
    box-shadow: 0 0 4px rgba(102, 221, 170, 0.6);
}

.dsp-filter-indicator.inactive {
    background: #333;
}

.sam-dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    margin-left: 2px;
    vertical-align: middle;
}
.sam-dot.active {
    background: #6da;
    box-shadow: 0 0 3px rgba(102, 221, 170, 0.6);
}
.sam-dot.inactive {
    background: #555;
}
.sam-dot.browser-resample {
    background: #f0a030;
    box-shadow: 0 0 3px rgba(240, 160, 48, 0.6);
}

.dsp-filter-indicator-header {
    font-size: 8px;
    text-align: center;
    line-height: 1;
}

.dsp-custom-section {
    padding: 6px 8px 4px;
    border-top: 1px solid rgba(80, 80, 80, 0.3);
    margin-top: 4px;
}

.dsp-custom-title {
    font-size: 9px;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.dsp-custom-slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dsp-custom-slider-row .setting-range {
    flex: 1;
}

.dsp-custom-value {
    font-size: 10px;
    color: #aaa;
    min-width: 40px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.view-dsp-buttons {
    pointer-events: none;
}

.dsp-slider-label {
    font-size: 9px;
    color: #888;
    min-width: 42px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ── Export section ──────────────────────────────────────────────── */
.export-section {
    margin: 4px 0;
}

.export-section-header {
    padding: 6px 16px 4px;
    font-size: 11px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 4px;
}
.export-section-header:hover {
    color: #bbb;
}

.export-toggle-arrow {
    display: inline-block;
    font-size: 8px;
    transition: transform 0.15s ease;
}
.export-toggle-arrow.open {
    transform: rotate(90deg);
}

.export-section-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
}
.export-section-body.open {
    max-height: 400px;
}

.export-format-row {
    padding: 4px 16px;
    gap: 10px;
    justify-content: flex-start;
}
.export-format-label {
    font-size: 11px;
    color: #999;
    margin-right: 2px;
}
.export-radio {
    font-size: 11px;
    color: #ccc;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.export-radio.disabled {
    color: #666;
    cursor: not-allowed;
}
.export-radio input[type="radio"] {
    margin: 0;
    accent-color: #4a8a5a;
}

.export-mp4-options {
    padding: 2px 0;
}
.export-option-label {
    font-size: 11px;
    color: #999;
    min-width: 70px;
    padding-left: 16px;
}

.export-tooltip {
    font-size: 10px;
    color: #888;
    cursor: help;
}

.export-progress {
    padding: 4px 16px;
}
.export-progress-bar {
    height: 6px;
    background: #1a2a1a;
    border: 1px solid #3a5a3a;
    border-radius: 3px;
    overflow: hidden;
}
.export-progress-fill {
    height: 100%;
    background: #4a8a5a;
    transition: width 0.15s ease;
}
.export-progress-text {
    font-size: 10px;
    color: #888;
    margin-top: 2px;
    text-align: center;
}
.export-progress-text.export-error {
    color: #e88;
}
.export-duration-label {
    font-size: 10px;
    color: #888;
    text-align: right;
    padding: 2px 0;
}