/* ============================================
   Design System — CSS Custom Properties
   ============================================ */
:root {
    --bg-app: #0d0f12;
    --bg-panel: #161a20;
    --bg-panel-alt: #1b2028;
    --bg-surface: #1f2530;
    --bg-surface-hover: #252c38;
    --bg-accent: #3b82f6;
    --bg-accent-hover: #4f91f7;
    --bg-danger: #ef4444;
    --bg-danger-hover: #f87171;
    --bg-selected: rgba(59, 130, 246, 0.15);
    --bg-drop-target: rgba(59, 130, 246, 0.08);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(59, 130, 246, 0.5);
    --border-selected: rgba(59, 130, 246, 0.7);

    --text-primary: #c0c7d2;
    --text-secondary: #8b95a5;
    --text-muted: #5a6475;
    --text-accent: #60a5fa;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.08);
    --transition-fast: 120ms ease;
    --transition-normal: 200ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    font-family: var(--font);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-app);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    zoom: 1.10;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Top Bar
   ============================================ */
#topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 16px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-subtle);
    gap: 12px;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 200px;
}

.app-title {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: -0.3px;
    color: var(--text-accent);
    white-space: nowrap;
}

#layout-name {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    width: 160px;
    outline: none;
    transition: border var(--transition-fast);
}

#layout-name:focus {
    border-color: var(--border-accent);
}

.topbar-center {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    flex: 1;
    justify-content: center;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 260px;
    justify-content: flex-end;
}

.topbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border-subtle);
    margin: 0 4px;
}

.topbar-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 5px 12px;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.topbar-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.topbar-btn.accent {
    background: var(--bg-accent);
    border-color: var(--bg-accent);
    color: #fff;
}

.topbar-btn.accent:hover {
    background: var(--bg-accent-hover);
}

.topbar-btn svg {
    flex-shrink: 0;
}

/* Page Tabs */
.page-tab {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: 6px 16px;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.page-tab:hover {
    color: var(--text-secondary);
    background: var(--bg-surface);
}

.page-tab.active {
    color: var(--text-primary);
    background: var(--bg-surface);
    border-color: var(--border-subtle) var(--border-subtle) transparent;
}

.page-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bg-accent);
    border-radius: 2px 2px 0 0;
}

.page-tab-rename {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--bg-accent);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    width: 80px;
    padding: 0;
    outline: none;
}

/* ============================================
   Main Workspace — 3 Columns
   ============================================ */
#workspace {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ============================================
   Left: Palette
   ============================================ */
#palette {
    width: 200px;
    min-width: 200px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.panel-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 14px 14px 8px;
}

.palette-section {
    padding: 0 8px 12px;
}

.palette-section-title {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 6px 6px;
    opacity: 0.7;
}

.palette-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 400;
    cursor: grab;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.palette-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.palette-item:active {
    cursor: grabbing;
}

.palette-item svg {
    flex-shrink: 0;
    opacity: 0.6;
}

/* ============================================
   Center: Canvas
   ============================================ */
#canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-app);
}

#canvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-panel-alt);
    border-bottom: 1px solid var(--border-subtle);
}

#canvas-page-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.icon-btn {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
}

.icon-btn:hover {
    background: var(--bg-surface);
    color: var(--text-secondary);
}

.icon-btn.danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--bg-danger);
}

#canvas {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    outline: none;
    position: relative;
}

#canvas>* {
    max-width: 560px;
}

#canvas-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 13px;
    pointer-events: none;
}

/* Canvas Elements */
.canvas-element {
    display: flex;
    align-items: center;
    padding: 5px 10px;
    margin-bottom: 1px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: var(--bg-panel);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    min-height: 30px;
    user-select: none;
}

/* Hide PROP badge on property rows — cleaner like in-game UI */
.canvas-element[data-type="property"] .ce-type-badge {
    display: none;
}

/* Alternating tint for properties at depth 0 for scanability */
.canvas-element[data-type="property"][data-depth="0"]:nth-of-type(even) {
    background: var(--bg-panel-alt);
}

/* ---- Per-type row styling ---- */

/* Category rows: bold, prominent */
.canvas-element[data-type="category"] {
    background: #1a1d2a;
    border-left: 3px solid rgba(139, 92, 246, 0.5);
    margin-top: 8px;
    margin-bottom: 4px;
    padding: 8px 12px;
    min-height: 38px;
}

.canvas-element[data-type="category"] .ce-label {
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.2px;
    color: #c4b5fd;
}

.canvas-element[data-type="category"] .ce-binding {
    color: rgba(196, 181, 253, 0.4);
}

/* Label rows: teal accent, styled like button rows */
.canvas-element[data-type="label"] {
    background: rgba(52, 211, 153, 0.04);
    border-left: 2px solid rgba(52, 211, 153, 0.25);
}

.canvas-element[data-type="label"] .ce-label {
    font-size: 12px;
    color: var(--text-primary);
}

.canvas-element[data-type="label"]:hover {
    background: rgba(52, 211, 153, 0.08);
}

/* Button rows: warm amber accent */
.canvas-element[data-type="button"] {
    background: rgba(251, 191, 36, 0.04);
    border-left: 2px solid rgba(251, 191, 36, 0.25);
}

.canvas-element[data-type="button"]:hover {
    background: rgba(251, 191, 36, 0.08);
}

/* Spacer rows: minimal divider */
.canvas-element[data-type="spacer"] {
    min-height: 24px;
    padding: 2px 10px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: 0;
    pointer-events: auto;
    margin: 2px 0;
}

.canvas-element[data-type="spacer"] .ce-label {
    visibility: hidden;
}

.canvas-element[data-type="spacer"] .ce-type-badge {
    font-size: 8px;
    opacity: 0.3;
}

.canvas-element[data-type="spacer"]:hover {
    border-bottom-color: var(--border-medium);
    background: rgba(255, 255, 255, 0.02);
}

/* Segmented control rows */
.canvas-element[data-type="segmented_control"] {
    border-left: 2px solid rgba(244, 114, 182, 0.25);
}

/* Action Button rows: cyan accent */
.canvas-element[data-type="actionButton"] {
    background: rgba(34, 211, 238, 0.04);
    border-left: 2px solid rgba(34, 211, 238, 0.25);
}

.canvas-element[data-type="actionButton"]:hover {
    background: rgba(34, 211, 238, 0.08);
}

/* Flow Layout container */
.canvas-element[data-type="flowLayout"] {
    background: rgba(168, 85, 247, 0.04);
    border-left: 2px solid rgba(168, 85, 247, 0.25);
    min-height: 28px;
}

.canvas-element[data-type="flowLayout"]:hover {
    background: rgba(168, 85, 247, 0.08);
}

/* Property rows with children (expandable) get subtle indicator */
.canvas-element[data-type="property"] .ce-collapse-btn {
    color: var(--text-accent);
    opacity: 0.6;
}

/* Tree depth indentation */
.canvas-element[data-depth="1"] {
    margin-left: 22px;
}

.canvas-element[data-depth="1"]:not([data-type="category"]):not([data-type="label"]):not([data-type="spacer"]) {
    border-left: 2px solid rgba(139, 92, 246, 0.15);
}

.canvas-element[data-depth="2"] {
    margin-left: 44px;
}

.canvas-element[data-depth="2"]:not([data-type="category"]):not([data-type="label"]):not([data-type="spacer"]) {
    border-left: 2px solid rgba(59, 130, 246, 0.15);
}

.canvas-element[data-depth="3"] {
    margin-left: 66px;
}

.canvas-element[data-depth="3"]:not([data-type="category"]):not([data-type="label"]):not([data-type="spacer"]) {
    border-left: 2px solid rgba(52, 211, 153, 0.15);
}

.canvas-element:hover {
    border-color: var(--border-medium);
    background: var(--bg-panel-alt);
}

.canvas-element.selected {
    border-color: var(--border-selected);
    background: var(--bg-selected);
    box-shadow: var(--shadow-glow);
}

.canvas-element.drag-over-above {
    border-top: 2px solid var(--bg-accent);
}

.canvas-element.drag-over-below {
    border-bottom: 2px solid var(--bg-accent);
}

.canvas-element.drag-over-into {
    border-color: var(--border-accent);
    background: var(--bg-selected);
    box-shadow: var(--shadow-glow);
}

.canvas-element.dragging {
    opacity: 0.4;
}

.ce-type-badge {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Badge colors by type */
.ce-type-badge.t-category {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

.ce-type-badge.t-property {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.ce-type-badge.t-button {
    background: rgba(234, 179, 8, 0.2);
    color: #fbbf24;
}

.ce-type-badge.t-label {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.ce-type-badge.t-sub_start,
.ce-type-badge.t-sub_end {
    background: rgba(107, 114, 128, 0.2);
    color: #9ca3af;
}

.ce-type-badge.t-horizontal_group_start,
.ce-type-badge.t-horizontal_group_end {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.ce-type-badge.t-spacer {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
}

.ce-type-badge.t-segmented_control {
    background: rgba(244, 114, 182, 0.2);
    color: #f472b6;
}



.ce-condition-badge {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(251, 146, 60, 0.15);
    color: #fb923c;
    white-space: nowrap;
    flex-shrink: 0;
}

.ce-label {
    font-size: 12px;
    color: var(--text-primary);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ce-label.muted {
    color: var(--text-muted);
    font-style: italic;
}

.ce-icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    margin-right: 4px;
    opacity: 0.7;
}

.ce-icon-img {
    width: 16px;
    height: 16px;
    object-fit: contain;
    filter: brightness(1.5);
    vertical-align: middle;
}

.ce-binding {
    font-size: 10px;
    color: var(--text-muted);
    margin-left: 8px;
    flex-shrink: 0;
    opacity: 0.5;
}

.ce-delete {
    opacity: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 2px 4px;
    cursor: pointer;
    border-radius: 3px;
    transition: all var(--transition-fast);
    margin-left: 6px;
    flex-shrink: 0;
}

.canvas-element:hover .ce-delete {
    opacity: 1;
}

.ce-delete:hover {
    color: var(--bg-danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Collapse/Expand toggle */
.ce-collapse-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 8px;
    padding: 2px 4px;
    cursor: pointer;
    border-radius: 3px;
    transition: all var(--transition-fast);
    margin-right: 4px;
    flex-shrink: 0;
    line-height: 1;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ce-collapse-btn:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}

/* (depth indentation rules consolidated above) */

/* Canvas drop zone (whole canvas) */
#canvas.drag-active {
    background: var(--bg-drop-target);
}

/* ============================================
   Right: Inspector
   ============================================ */
#inspector {
    width: 290px;
    min-width: 290px;
    background: var(--bg-panel);
    border-left: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

#inspector-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
    padding: 20px;
}

.hidden {
    display: none !important;
}

/* Inspector Form Fields */
.insp-group {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
}

.insp-group-title {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.insp-row {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.insp-row:last-child {
    margin-bottom: 0;
}

.insp-label {
    font-size: 11px;
    color: var(--text-secondary);
    width: 80px;
    flex-shrink: 0;
    text-align: right;
    white-space: nowrap;
}

.insp-input,
.insp-select {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 12px;
    outline: none;
    transition: border var(--transition-fast);
    min-width: 0;
}

.insp-input:focus,
.insp-select:focus {
    border-color: var(--border-accent);
}

.insp-select {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b95a5' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 24px;
}

.insp-checkbox-row {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.insp-toggle {
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.insp-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.insp-toggle-track {
    position: relative;
    width: 28px;
    height: 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.insp-toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all 0.2s ease;
}

.insp-toggle input:checked+.insp-toggle-track {
    background: rgba(139, 92, 246, 0.3);
    border-color: rgba(139, 92, 246, 0.5);
}

.insp-toggle input:checked+.insp-toggle-track::after {
    left: 14px;
    background: var(--bg-accent);
}

.insp-toggle-label {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   Layout Dialog
   ============================================ */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 150ms ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.dialog {
    background: var(--bg-panel);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    width: 420px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 200ms ease;
}

@keyframes slideUp {
    from {
        transform: translateY(16px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.dialog-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.dialog-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dialog-close-btn:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.dialog-body {
    padding: 12px 20px 20px;
    overflow-y: auto;
}

.dialog-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.dialog-list-empty {
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
    padding: 24px 0;
}

.dialog-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dialog-item:hover {
    background: var(--bg-surface);
    border-color: var(--border-subtle);
}

.dialog-item.active {
    background: var(--bg-selected);
    border-color: var(--border-selected);
}

.dialog-item-name {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.dialog-item-delete {
    opacity: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 2px 6px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 12px;
    transition: all var(--transition-fast);
}

.dialog-item:hover .dialog-item-delete {
    opacity: 1;
}

.dialog-item-delete:hover {
    color: var(--bg-danger);
    background: rgba(239, 68, 68, 0.1);
}

.dialog-input-row {
    display: flex;
    gap: 8px;
}

.dialog-input {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    outline: none;
    transition: border var(--transition-fast);
}

.dialog-input:focus {
    border-color: var(--border-accent);
}

.dialog-input::placeholder {
    color: var(--text-muted);
}

/* ============================================
   Searchable Dropdown
   ============================================ */
.search-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
}

.search-popup {
    position: fixed;
    background: var(--bg-panel);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    width: 280px;
    max-height: 320px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    z-index: 2001;
}

.search-popup-header {
    padding: 6px 6px 4px;
    border-bottom: 1px solid var(--border-subtle);
}

.search-popup-header input {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 12px;
    outline: none;
    transition: border var(--transition-fast);
}

.search-popup-header input:focus {
    border-color: var(--border-accent);
}

.search-popup-header input::placeholder {
    color: var(--text-muted);
}

.search-popup-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 4px;
}

.search-popup-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: background 60ms ease;
}

.search-popup-item:hover,
.search-popup-item.highlighted {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.search-popup-item.selected {
    background: var(--bg-selected);
    color: var(--text-primary);
}

.search-popup-item .spi-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
    filter: brightness(1.5);
    flex-shrink: 0;
}

.search-popup-item .spi-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-popup-item .spi-group {
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-popup-none {
    padding: 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

/* Responsive */
@media (max-width: 900px) {
    #palette {
        width: 160px;
        min-width: 160px;
    }

    #inspector {
        width: 240px;
        min-width: 240px;
    }
}