:root {
    /* COLOR SYSTEM - Professional Dark Theme */
    --bg-darkest: #0f0f1b;       /* Deep background */
    --bg-dark: #1a1a2e;          /* Primary surface */
    --bg-medium: #16213e;        /* Secondary surface */
    --bg-light: #1e293b;         /* Tertiary surface */

    /* ACCENT COLORS - Cyberpunk/Terminal Inspired */
    --accent-primary: #00ff41;   /* Terminal Green */
    --accent-secondary: #ff006e; /* Neon Pink */
    --accent-tertiary: #00d9ff;  /* Cyan */

    /* TEXT & BORDERS */
    --text-primary: #e0e7ff;     /* Primary text */
    --text-secondary: #94a3b8;   /* Secondary text */
    --border-color: #2d3748;     /* Border color */

    /* LAYOUT DIMENSIONS */
    --header-height: 48px;
    --icon-rail-width: 48px;
    --tab-width: 44px;
    --tools-width: 320px;
    --side-panel-width: 350px;
    --border-glow: rgba(0, 255, 65, 0.3);

    /* TILE SYSTEM */
    --tile-dim: 32;
    --pixel-size: 16px;
    --canvas-size: 512px;
    
    /* Floating Menu */
    --floating-menu-bg: rgba(26, 26, 46, 0.95);
    --floating-menu-border: var(--accent-primary);
}




/* Base Styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
    background-color: var(--bg-darkest);
    color: var(--text-primary);
}

#container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
}

#scene-container {
    flex: 1;
    position: relative;
    background-color: var(--bg-medium);
    border-right: 1px solid var(--border-color);
    overflow: hidden; /* Prevent scrollbars */
    cursor: grab;
}

#scene-container:active {
    cursor: grabbing;
}

#sidebar {
    width: 350px;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    padding: 15px;
    overflow-y: auto;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--border-glow);

    display: flex;
    flex-direction: column;
}

/* Info Display */
#info {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(10, 10, 27, 0.8);
    color: var(--accent-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    border: 1px solid var(--border-glow);
    z-index: 1000;
}

/* Button Styles */
button {
    background-color: var(--bg-medium);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    margin: 5px 0;
    cursor: pointer;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
}

button:hover {
    background-color: var(--bg-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

button:active {
    background-color: var(--accent-primary);
    color: var(--bg-darkest);
    transform: translateY(1px);
}

.icon-button {
    width: auto;
    padding: 4px;
    min-width: 20px;
    background-color: var(--bg-medium);
    border: 1px solid var(--border-color);
}

.icon-button:hover {
    background-color: var(--bg-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Layer Item Styles - Professional and Cool */
.layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    padding: 4px 6px;
    background-color: var(--bg-medium);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: default;
}

.layer-item:hover {
    background-color: var(--bg-light);
    border-color: var(--accent-primary);
    box-shadow: 0 0 5px var(--border-glow);
}

.layer-item input[type="text"] {
    flex: 1;
    margin-bottom: 0;
    min-width: 120px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 4px;
}

.layer-item input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 3px var(--accent-primary);
}

.layer-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* Control Group Styles - override for panel-sections */
.control-group.panel-section {
    margin-bottom: 0;
    padding-bottom: 0;
    padding-left: 6px;
    padding-right: 6px;
    padding-top: 6px;
    border-bottom: none;
}

/* Panel Section (sidebar panels) */
.panel-section {
    margin-bottom: 15px;
    padding: 12px;
    background-color: var(--bg-medium);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

/* Override right-panel.settings bottom border independently */
.control-group.panel-section {
    border-bottom: none;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-tertiary);
    font-weight: 600;
    flex: 1;
}

.panel-title h3 {
    margin: 0;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}


.panel-actions {
    display: flex;
    gap: 4px;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.panel-header:hover .panel-actions {
    opacity: 1;
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 0px;
}

/* Object Panel Group Styling */
.object-group {
    width: 100%;
    margin-bottom: 8px;
}

.group-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    padding-left: 4px;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.button-row .icon-button {
    flex: 1;
    min-width: 30px;
    aspect-ratio: 1;
}

.property-group {
    margin-bottom: 12px;
}

.property-group label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    width: 100%;
}

/* Toggle Button Styles */
.toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 5px;
    font-size: 12px;
    width: auto;
    min-width: auto;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    color: var(--accent-primary);
    transform: scale(1.1);
}

.toggle-btn.minimized i::before {
    content: "+";
}

.panel-content input,
.panel-content select {
    margin-bottom: 6px;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 3px var(--accent-primary);
}

/* Label Styles */
label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

/* Layer Controls Enhancement */
#layers-list {
    margin: 10px 0;
}

/* Up/Down Button Styles */
.layer-item .icon-button {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.layer-item .icon-button:hover {
    background-color: var(--accent-primary);
    color: var(--bg-darkest);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.layer-item .icon-button:active {
    transform: translateY(0);
}

/* Delete Button Style */
.layer-item .icon-button:last-child {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

/* Sidebar Header Styles */
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-glow);
}

.sidebar-header h2 {
    color: var(--accent-primary);
    font-size: 18px;
    margin: 0;
    font-weight: 700;
}

.global-actions {
    display: flex;
    gap: 6px;
}

.global-actions .icon-button {
    background-color: var(--bg-medium);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.global-actions .icon-button:hover {
    background-color: var(--accent-primary);
    color: var(--bg-darkest);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.mode-toggle-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    color: var(--bg-darkest);
    border: 1px solid var(--accent-primary);
    padding: 4px 8px;
    font-size: 11px;
}

.mode-toggle-btn i {
    margin-right: 4px;
}

.mode-toggle-btn:hover {
    box-shadow: 0 0 12px var(--accent-primary);
    transform: scale(1.05);
}

/* 2D/3D Mode classes */
.scene-view-2d {
    cursor: default !important;
}

.scene-view-3d {
    cursor: grab !important;
}

/* Panel Section Styles */
.panel-section {
    margin-bottom: 15px;
    padding: 12px;
    background-color: var(--bg-medium);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

/* Active Panel Highlight */
.panel-section.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px var(--border-glow);
}
/* Vertical Tab System */
.tab-rail {
    width: var(--tab-width);
    background-color: var(--bg-darkest);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
    position: relative;
    z-index: 10;
}

.tab-button {
    width: 28px;
    height: 28px;
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    margin: 2px 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
}

.tab-button:hover {
    background-color: var(--bg-medium);
    color: var(--accent-primary);
    transform: scale(1.05);
}

.tab-button.active {
    background-color: var(--accent-primary);
    color: var(--bg-darkest);
}

.tab-button.active::before {
    content: '';
    position: absolute;
    right: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background-color: var(--accent-primary);
    border-radius: 0 2px 2px 0;
}

.tab-button:hover {
    background-color: var(--bg-medium);
    color: var(--accent-primary);
}

.tab-button.active {
    background-color: var(--accent-primary);
    color: var(--bg-darkest);
}

.tab-button i {
    font-size: 14px;
}

/* Tab Group Styling */
.tab-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.tab-group-label {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 8px 0 4px 0;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    width: 100%;
    text-align: center;
}

.tab-group:hover .tab-group-label,
.tab-group.active .tab-group-label {
    opacity: 1;
    color: var(--accent-primary);
}

.tab-group-divider {
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 2px auto;
    opacity: 0.5;
}

/* Panel Container with Tabs */
.panel-container {
    display: flex;
    flex: 1;
    min-height: 0;
}

.panel-content-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px;
}



/* Panel Container with Tabs */
.toggle-btn {
    background: var(--bg-medium);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 12px;
    width: auto;
    min-width: auto;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    background: var(--bg-light);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.toggle-btn.minimized {
    transform: rotate(180deg);
}

/* Individual Panel Styling */
.control-group {
    margin-bottom: 15px;
    padding: 6px;
    background-color: var(--bg-medium);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.control-group.hidden {
    display: none;
}


/* Layer Panel Specific Styles */
#layers-panel {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

#layers-panel .panel-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

#layers-panel #layers-list {
    flex: 1;
    overflow-y: auto;
    max-height: 300px;
    margin: 10px 0;
}

/* Responsive Tab System */
@media (max-width: 768px) {
    .tab-rail {
        width: 36px;
    }

    .tab-button {
        width: 28px;
        height: 28px;
    }

    #sidebar {
        width: 300px;
    }
}
.layer-item .icon-button:last-child:hover {
    background-color: var(--accent-secondary);
    color: var(--bg-darkest);
}

/* Scrollbar Styling */
#sidebar::-webkit-scrollbar {
    width: 8px;
}

#sidebar::-webkit-scrollbar-track {
    background: var(--bg-darkest);
    border-radius: 4px;
}

#sidebar::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

#sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Animation for Layer Movement */
@keyframes layerMove {
    0% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(5px); opacity: 0.8; }
    100% { transform: translateX(0); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════════ */
/*  LAYER PANEL – LAYER GROUP + OBJECT LIST                              */
/* ═══════════════════════════════════════════════════════════════════════ */

/* ── Layer group wrapper ──────────────────────────────────────────────── */
.layer-group {
    background: var(--bg-medium);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 6px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.layer-group.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 6px rgba(0, 217, 255, 0.15);
}

/* ── Layer group header row ──────────────────────────────────────────── */
.layer-group-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 8px;
    cursor: default;
    min-height: 34px;
}

/* ── Expand / collapse chevron ───────────────────────────────────────── */
.layer-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--text-secondary);
    cursor: pointer;
    transition: transform 0.25s ease, color 0.2s ease;
    font-size: 10px;
    line-height: 1;
}

.layer-chevron:hover {
    color: var(--accent-primary);
}

.layer-chevron.expanded {
    transform: rotate(0deg);
}

.layer-chevron:not(.expanded) {
    transform: rotate(-90deg);
}

/* ── Visibility checkbox ─────────────────────────────────────────────── */
.layer-vis-check {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* ── Layer name input ────────────────────────────────────────────────── */
.layer-name-input {
    flex: 1;
    min-width: 80px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 6px;
    border-radius: 4px;
    outline: none;
}

.layer-name-input:hover {
    background: var(--bg-light);
}

.layer-name-input:focus {
    background: var(--bg-dark);
    border-color: var(--accent-primary);
    box-shadow: 0 0 4px rgba(0, 217, 255, 0.2);
}

/* ── Layer name input (panel header — #layer-name) ─────────────────────── */
#layer-name {
    flex: 1;
    min-width: 120px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    padding: 5px 8px;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#layer-name:hover {
    border-color: var(--accent-tertiary);
}

#layer-name:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 5px rgba(0, 217, 255, 0.25);
    outline: none;
}

/* ── Layer name row (input + inline + button) ──────────────────────────── */
.layer-name-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.add-layer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border: 1px solid var(--accent-primary);
    border-radius: 4px;
    background: transparent;
    color: var(--accent-primary);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.add-layer-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-darkest);
    box-shadow: 0 0 6px rgba(0, 217, 255, 0.3);
}

.add-layer-btn:active {
    transform: scale(0.92);
}

.paint-layer-btn {
    color: var(--accent-tertiary);
}

.paint-layer-btn:hover {
    background: var(--accent-tertiary);
    color: var(--bg-darkest) !important;
    border-color: var(--accent-tertiary) !important;
    transform: translateY(-1px);
}

.paint-layer-btn:active {
    transform: scale(0.92) !important;
}

/* ── Layer action buttons (up / down / delete) ────────────────────────── */
.layer-group-actions {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.layer-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-dark);
    color: var(--text-secondary);
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.layer-icon-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-darkest);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.layer-icon-btn:active {
    transform: translateY(0);
}

.layer-icon-btn .fa-trash:hover,
.layer-group-actions .layer-icon-btn:last-child:hover {
    background: #f44336;
    border-color: #f44336;
    color: #fff;
}

/* ── Layer details (collapsible object list) ──────────────────────────── */
.layer-details {
    border-top: 1px solid var(--border-color);
    max-height: 400px;
    overflow: auto;
    transition: max-height 0.3s ease, padding 0.2s ease;
    animation: layerExpand 0.25s ease;
}

.layer-details.collapsed {
    display: none;
}

@keyframes layerExpand {
    from { opacity: 0; max-height: 0; }
    to   { opacity: 1; max-height: 400px; }
}

/* ── Objects empty placeholder ────────────────────────────────────────── */
.layer-objects-empty {
    padding: 8px 12px;
    color: var(--text-secondary);
    font-size: 11px;
    font-style: italic;
    text-align: center;
}

/* ── Object type sub-groups inside a layer ───────────────────────────── */
.layer-object-type-group {
    margin-bottom: 2px;
}

.layer-object-type-header {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 10px 3px 10px;
}

.layer-object-items {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

/* ── Individual object row inside a layer ────────────────────────────── */
.layer-object-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 10px 4px 20px;
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 11px;
    color: var(--text-primary);
    border-radius: 3px;
    margin: 0 4px;
}

.layer-object-item:hover {
    background: rgba(0, 217, 255, 0.08);
}

.layer-object-item.selected {
    background: rgba(0, 217, 255, 0.14);
    color: var(--accent-primary);
    font-weight: 500;
}

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

.layer-object-position {
    font-size: 10px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    opacity: 0.75;
    flex-shrink: 0;
    margin-left: 8px;
}



/* Floating Menu - Blender Style Toolbar */
#floating-menu {
    position: fixed;
    top: 60px;
    left: 10px;
    z-index: 2000;
    background-color: var(--floating-menu-bg);
    border: 1px solid var(--floating-menu-border);
    border-radius: 8px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.2);
    backdrop-filter: blur(10px);
    user-select: none;
}

#floating-menu .tool-btn {
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: 2px solid transparent;
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    padding: 0;
    margin: 0;
    min-width: auto;
}

#floating-menu .tool-btn:hover {
    background-color: var(--bg-dark);
    border-color: var(--accent-tertiary);
    color: var(--accent-tertiary);
    transform: scale(1.05);
}

#floating-menu .tool-btn.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-darkest);
    box-shadow: 0 0 10px var(--border-glow);
}

#floating-menu .tool-btn i {
    font-size: 16px;
    pointer-events: none;
}

#floating-menu .tool-btn.active i {
    color: var(--bg-darkest);
}

/* Viewport container - fixed resolution, clipped */
#scene-container {
    flex: 1;
    position: relative;
    background-color: var(--bg-medium);
    border-right: 1px solid var(--border-color);
    overflow: hidden;
    cursor: default;
    min-width: 0;
    min-height: 0;
}

#scene-container.viewport-move {
    cursor: grab;
}

#scene-container.viewport-move:active {
    cursor: grabbing;
}

#scene-container.viewport-select {
    cursor: crosshair;
}

#scene-container.viewport-cursor {
    cursor: crosshair;
}

/* Canvas element - fixed internal resolution */
#scene-container canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Responsive Design */
@media (max-width: 768px) {
    #sidebar {
        width: 300px;
    }

    button {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* Font Awesome Integration */
.fa, .fas {
    font-size: 14px;
    color: inherit;
}

/* Layer Item Specific Icons */
.layer-item .fa-arrow-up {
    color: var(--accent-tertiary);
}

.layer-item .fa-arrow-down {
    color: var(--accent-tertiary);
}

.layer-item .fa-trash {
    color: var(--accent-secondary);
}

.layer-item .fa-eye, .layer-item .fa-eye-slash {
    color: var(--accent-primary);
}

/* Visibility Toggle Customization */
.layer-item input[type="checkbox"]:checked {
    accent-color: var(--accent-primary);
}

/* Professional Layer Header */
.control-group h2 {
    color: var(--accent-primary);
    font-size: 20px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-glow);
    font-weight: 700;
}

/* Current Layer Dropdown */
#current-layer {
    background-color: var(--bg-dark);
    border: 1px solid var(--accent-primary);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
}

/* Layer Name Input Focus */
.layer-item input[type="text"]:focus {
    border-color: var(--accent-tertiary);
    box-shadow: 0 0 5px var(--accent-tertiary);
}

/* =============================================
   MATERIALS SYSTEM
   ============================================= */
.materials-section {
    display: none;
    flex: 1;
    overflow-y: auto;
    flex-direction: column;
}

.materials-section .panel-header {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-dark);
}

.materials-section .panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.material-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.material-item:hover {
    background: var(--bg-medium);
    border-color: var(--accent-primary);
}

.material-item.selected {
    border-color: var(--accent-primary);
    background: rgba(0, 217, 255, 0.05);
}

.material-preview {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.material-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.material-name {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    font-size: 0.7rem;
    padding: 2px 4px;
    border-radius: 2px;
    width: 60px;
}

.material-name:focus {
    background: var(--bg-dark);
    border-color: var(--border-color);
    outline: none;
}

.material-properties {
    display: none;
    gap: 8px;
    font-size: 0.6rem;
    color: var(--text-secondary);
}

.material-actions {
    display: flex;
    gap: 4px;
}

.material-actions button {
    width: 24px;
    height: 24px;
    padding: 2px;
    font-size: 0.7rem;
}

/* Material Edit Dialog */
.material-edit-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    z-index: 10000;
    width: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dialog-header h3 {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.close-dialog-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.dialog-content {
    margin-bottom: 15px;
}

.dialog-content .property-group {
    margin-bottom: 12px;
}

.dialog-content .property-group label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.dialog-content .property-group input[type="color"] {
    width: 100%;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-light);
    cursor: pointer;
}

.dialog-content .property-group input[type="range"] {
    width: 100%;
    margin-top: 4px;
}

.dialog-content .property-group select {
    width: 100%;
    padding: 8px;
    font-size: 0.7rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.dialog-actions .btn {
    padding: 8px 16px;
    font-size: 0.75rem;
}

/* Materials Section for Full View */
.material-item-full {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.material-item-full:hover {
    background: var(--bg-medium);
    border-color: var(--accent-primary);
}

.material-preview-full {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.material-info-full {
    flex: 1;
}

.material-name-full {
    font-size: 0.8rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.material-properties-full {
    display: flex;
    gap: 12px;
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.material-actions-full {
    display: flex;
    gap: 6px;
}

.material-actions-full button {
    width: 28px;
    height: 28px;
    padding: 4px;
    font-size: 0.8rem;
}

/* Material Selector Dropdown */
.material-dropdown-wrapper {
    position: relative;
    width: 100%;
}

.material-selector {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.7rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s;
    min-height: 36px;
    box-sizing: border-box;
}

.material-selector:hover {
    background: var(--bg-medium);
    border-color: var(--text-secondary);
}

.material-dropdown-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.material-dropdown-list.show {
    display: block;
}

.material-dropdown-item {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.7rem;
    color: var(--text-primary);
    min-height: 32px;
    border-left: 3px solid transparent;
}

.material-dropdown-item.selected {
    background: rgba(0, 217, 255, 0.15);
    border-left-color: var(--accent-primary);
}

.material-dropdown-item.selected .material-color-swatch {
    box-shadow: 0 0 6px var(--accent-primary);
}

.material-dropdown-item:hover {
    background: var(--bg-medium);
    border-left-color: var(--accent-primary);
}

.material-dropdown-item .material-color-swatch {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.material-dropdown-item .material-option-text {
    flex-grow: 1;
    color: var(--text-primary);
    font-size: 0.7rem;
}

.pixel-effect-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.pixel-effect-toggle label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.pixel-effect-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.pixel-effect-toggle .effect-description {
    font-size: 0.65rem;
    color: #666;
    margin-left: 24px;
}

.pixel-slider-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.pixel-slider-group label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.pixel-slider-group input[type="range"] {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--bg-light);
}

.pixel-slider-group .value-display {
    font-size: 0.7rem;
    color: var(--accent-primary);
    min-width: 30px;
    text-align: right;
}

.pixel-effect-controls {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.pixel-effect-controls h4 {
    font-size: 0.8rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* Scene Objects List Styles */
.object-type-group {
    margin-bottom: 12px;
}

.object-type-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    padding-left: 4px;
}

.object-type-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.object-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.7rem;
}

.object-list-item:hover {
    background: var(--bg-medium);
    border-color: var(--accent-primary);
}

.object-list-item.selected {
    border-color: var(--accent-primary);
    background: rgba(0, 217, 255, 0.05);
}

.object-name {
    flex-grow: 1;
    margin-right: 8px;
}

.object-position {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.empty-state {
    text-align: center;
    padding: 12px;
    color: var(--text-secondary);
    font-style: italic;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* =========================================================== */
/* STYLE FIX: Readable text, styled form elements, settings    */
/* =========================================================== */

/* ── 1. Base font size bump: labels and group labels ───────── */
label,
.property-group label,
.group-label,
.tool-options-label,
.tool-option-label,
.dither-label,
.brightness-label {
    font-size: 12px !important;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.panel-title h3,
.object-type-header,
.layer-object-type-header {
    font-size: 11px !important;
    letter-spacing: 0.5px;
}

.group-label {
    font-size: 11px !important;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

/* Tiny rem-based font sizes → replace with readable px equivalents */
.material-name,
.material-option-text,
.material-dropdown-item,
.object-list-item,
.layer-object-item,
.material-item-full .material-name-full {
    font-size: 12px !important;
}

.material-properties,
.material-properties-full,
.object-position,
.layer-object-position {
    font-size: 11px !important;
}

/* ── 2. Text inputs & textareas ─────────────────────────────── */
input[type="text"],
input[type="number"],
input[type="url"],
input[type="email"],
textarea {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 6px 9px;
    border-radius: 4px;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

input[type="text"]:hover,
input[type="number"]:hover,
input[type="url"]:hover,
input[type="email"]:hover {
    border-color: var(--text-secondary);
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
input[type="email"]:focus,
textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.12);
    outline: none;
}

/* ── 3. Select dropdowns ─────────────────────────────────────── */
select {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 6px 28px 6px 9px;
    border-radius: 4px;
    outline: none;
    box-sizing: border-box;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 9px center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

select:hover {
    border-color: var(--text-secondary);
}

select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.12);
    outline: none;
}

/* ── 4. Range inputs ─────────────────────────────────────────── */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 0;
    margin: 4px 0;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-dark);
    margin-top: -5px;
    box-shadow: 0 0 4px rgba(0, 255, 65, 0.3);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

input[type="range"]::-moz-range-track {
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-dark);
    box-shadow: 0 0 4px rgba(0, 255, 65, 0.3);
}

/* Range value display spans next to sliders */
.range-value,
#brightness-value,
#terrain-height-value,
#fog-near-value,
#fog-far-value,
.value-display,
[id$="-value"] {
    font-size: 11px;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
    min-width: 32px;
    display: inline-block;
    text-align: right;
}

/* ── 5. Color inputs ─────────────────────────────────────────── */
input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 30px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-dark);
    cursor: pointer;
    padding: 2px 3px;
    box-sizing: border-box;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: 3px;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 3px;
}

/* ── 6. Checkboxes ───────────────────────────────────────────── */
input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* ── 7. Settings modal: missing classes ─────────────────────── */

/* .settings-select used in settings modal */
.settings-select {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 6px 28px 6px 9px;
    border-radius: 4px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 9px center;
    cursor: pointer;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.settings-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.12);
}

/* .settings-btn used in settings modal */
.settings-btn {
    background: var(--bg-medium);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 7px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: inherit;
}

.settings-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--bg-light);
}

/* .property-label used in settings modal */
.property-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}

/* .setting-label + .checkmark used for checkbox rows */
.setting-label {
    display: flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    margin-bottom: 2px;
    user-select: none;
}

.setting-label input[type="checkbox"] {
    flex-shrink: 0;
    width: 15px;
    height: 15px;
    accent-color: var(--accent-primary);
}

.checkmark {
    font-size: 12px;
    color: var(--text-primary);
}

/* .setting-description under each setting row */
.setting-description {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
    margin-left: 24px;
    line-height: 1.4;
}

/* settings-group section title */
.settings-group {
    margin-bottom: 20px;
}

.settings-group h3 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent-tertiary);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

/* settings tab buttons */
.settings-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.settings-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0;
    width: auto;
    margin: 0;
    margin-bottom: -1px;
}

.settings-tab:hover {
    color: var(--text-primary);
    background: transparent;
    border-color: transparent;
}

.settings-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: transparent;
}

.settings-content {
    padding: 4px 0;
}

/* ── 8. Property group layout (row with range + value) ──────── */
.property-group {
    margin-bottom: 12px;
}

.property-group > div {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.property-group > div > label {
    width: 100%;
}

.property-group > div > input[type="range"] {
    flex: 1;
    min-width: 80px;
}

/* ── 9. Panel content spacing ────────────────────────────────── */
.panel-content {
    padding: 10px 8px;
}

.panel-content > * + * {
    margin-top: 4px;
}

/* ── 10. Scene content / export content scrollable areas ─────── */
.scene-settings-content,
.export-settings-content {
    max-height: 60vh;
    overflow-y: auto;
}

/* ── 11. Button base legibility ──────────────────────────────── */
button {
    font-size: 12px;
}

/* Small inline buttons (icon-button) retain their compact size */
.icon-button {
    font-size: 12px;
    min-height: 28px;
}

/* ── 12. Sidebar overall padding tighten ────────────────────── */
#sidebar {
    padding: 10px 12px;
}

/* ── 13. Global actions header buttons ───────────────────────── */
.global-actions .icon-button {
    font-size: 11px;
    padding: 4px 7px;
    min-height: 26px;
}

/* ── 14. Viewport top bar & drawer ──────────────────────────── */
#viewport-top-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 46px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(22, 33, 62, 0.92);
    border-bottom: 1px solid var(--border-color);
    padding: 4px 10px;
    z-index: 100;
    overflow-x: auto;
}
#viewport-top-bar::-webkit-scrollbar { height: 3px; }
#viewport-top-bar::-webkit-scrollbar-thumb { background: var(--border-color); }

#obj-tile-bar, #mat-chip-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    flex-shrink: 0;
}
#obj-tile-bar::-webkit-scrollbar, #mat-chip-bar::-webkit-scrollbar { height: 0; }
#obj-tile-bar::-webkit-scrollbar-thumb, #mat-chip-bar::-webkit-scrollbar-thumb { background: transparent; }

#height-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    border-left: 1px solid var(--border-color);
    padding-left: 8px;
    flex-shrink: 0;
    margin-left: auto;
}
#height-bar button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1;
    padding: 2px 5px;
    border-radius: 3px;
    cursor: pointer;
}
#height-bar button:hover { color: var(--accent-primary); border-color: var(--accent-primary); }
#height-label {
    font-size: 11px;
    color: var(--accent-primary);
    font-weight: bold;
    min-width: 14px;
    text-align: center;
    background: rgba(14, 14, 20, 0.7);
    border-radius: 3px;
    padding: 2px 4px;
}

#viewport-bottom-drawer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    overflow: hidden;
    background: var(--bg-darkest);
    border-top: 0px solid var(--border-color);
    flex-shrink: 0;
    transition: height 0.2s ease, border-top-width 0.1s ease;
    z-index: 90;
}
#viewport-bottom-drawer.open {
    border-top-width: 1px;
    overflow-y: auto;
    overflow-x: auto;
}
#viewport-bottom-drawer::-webkit-scrollbar { height: 4px; width: 4px; }
#viewport-bottom-drawer::-webkit-scrollbar-thumb { background: var(--border-color); }

.drawer-inner {
    display: flex;
    flex-direction: row;
    gap: 0;
    padding: 8px 12px;
    min-width: max-content;
}
.drawer-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 16px;
    border-right: 1px solid var(--border-color);
    margin-right: 16px;
}
.drawer-col:last-child {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
}
.d-title {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--dt-color, var(--text-secondary));
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3px;
    margin-bottom: 2px;
    white-space: nowrap;
}
.d-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: var(--text-primary);
    min-height: 20px;
    white-space: nowrap;
}
.d-row input[type="range"] { width: 80px; }
.d-row input[type="color"] { height: 18px; width: 26px; padding: 0; border: 1px solid var(--border-color); background: none; cursor: pointer; }
.d-row select {
    background: var(--bg-darkest);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 2px 4px;
    font-size: 9px;
    text-transform: uppercase;
    width: 90px;
}
.d-row .hidden { display: none !important; }

/* Object tile chips */
.obj-tile {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: all .18s ease;
}
.obj-tile:hover { background: rgba(255, 255, 255, 0.04); border-color: var(--border-color); }
.obj-tile .obj-tile-icon { width: 32px; height: 24px; display: flex; align-items: center; }
.obj-tile .obj-tile-icon svg { display: block; width: 100%; height: 100%; }
.obj-tile .obj-tile-label {
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Mat chips in top bar */
.mat-chip {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    padding: 3px 5px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all .18s ease;
    --chip-color: #3ecfb2;
}
.mat-chip:hover { background: rgba(255, 255, 255, 0.04); border-color: var(--border-color); }
.mat-chip.active { background: rgba(62, 207, 178, 0.08); border-color: var(--chip-color); }
.mat-chip.active .mat-label { color: var(--chip-color); }
.mat-icon { width: 32px; height: 24px; display: flex; align-items: center; }
.mat-icon svg { display: block; width: 100%; height: 100%; }
.mat-label { font-size: 8px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-secondary); white-space: nowrap; transition: color .15s; }