/* OpenGlt WebGL / ImGui Dark Theme */
:root {
    --bg-dark: #0f1117;
    --window-bg: rgba(22, 26, 35, 0.94);
    --window-header: #1e2533;
    --border-color: #2e384d;
    --text-primary: #e2e8f0;
    --text-muted: #8492a6;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;
    --accent-emerald: #10b981;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    font-family: var(--font-sans);
    color: var(--text-primary);
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Fullscreen Drop Overlay */
#drop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

#drop-overlay.active {
    display: flex;
}

.drop-box {
    border: 3px dashed var(--accent-blue);
    border-radius: 16px;
    padding: 48px 64px;
    text-align: center;
    background: rgba(22, 30, 46, 0.9);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); border-color: var(--accent-blue); }
    50% { transform: scale(1.02); border-color: var(--accent-emerald); }
}

.drop-icon {
    font-size: 54px;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

.drop-title {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.drop-subtitle {
    font-size: 14px;
    color: var(--accent-amber);
    font-family: var(--font-mono);
    margin-bottom: 8px;
}

.drop-note {
    font-size: 12px;
    color: var(--text-muted);
}

/* Header */
.app-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 48px;
    background: rgba(15, 17, 23, 0.92);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    backdrop-filter: blur(6px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-badge {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 15px;
    color: #fff;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #60a5fa;
}

.version-tag {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ImGui Buttons */
.imgui-btn {
    background: var(--window-header);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 12px;
    font-size: 12px;
    font-family: var(--font-sans);
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.imgui-btn:hover {
    background: #2a3549;
    border-color: #4b5a75;
    color: #fff;
}

.imgui-btn.active {
    background: #1e3a8a;
    border-color: var(--accent-blue);
    color: #93c5fd;
}

.imgui-btn.git-btn {
    background: #182234;
    border-color: #3b82f6;
    color: #60a5fa;
}

.imgui-btn.full {
    width: 100%;
}

/* UI Overlay Windows */
.ui-layer {
    position: absolute;
    top: 48px;
    left: 0;
    width: 100%;
    height: calc(100% - 48px);
    pointer-events: none;
    z-index: 5;
}

.imgui-window {
    position: absolute;
    background: var(--window-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: auto;
    backdrop-filter: blur(8px);
}

.imgui-titlebar {
    background: var(--window-header);
    height: 32px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid var(--border-color);
}

.entity-count {
    font-size: 11px;
    color: var(--text-muted);
}

.imgui-toolbar {
    padding: 8px;
    background: rgba(18, 22, 30, 0.7);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 6px;
}

.imgui-tool-btn {
    background: #232b3c;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 11px;
    font-family: var(--font-mono);
    padding: 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    flex: 1;
    transition: background 0.15s;
}

.imgui-tool-btn:hover {
    background: #313d54;
}

.imgui-tool-btn.danger {
    background: #3a1c22;
    border-color: #6b2631;
    color: #fca5a5;
}

.imgui-tool-btn.danger:hover {
    background: var(--accent-red);
    color: #fff;
}

.imgui-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

/* Hierarchy List */
.hierarchy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    margin-bottom: 2px;
    transition: background 0.1s;
}

.hierarchy-item:hover {
    background: #222a3a;
}

.hierarchy-item.selected {
    background: #2563eb;
    color: #fff;
}

.item-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    background: #1a2230;
    color: #93c5fd;
    margin-right: 8px;
}

.hierarchy-item.selected .item-badge {
    background: #1e40af;
    color: #fff;
}

/* Inspector */
.empty-state {
    padding: 24px 16px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

.empty-state .hint {
    display: block;
    margin-top: 8px;
    font-size: 11px;
    color: #64748b;
}

.prop-group {
    margin-bottom: 10px;
}

.prop-group label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-bottom: 4px;
}

.prop-group.inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.prop-group.inline label {
    margin-bottom: 0;
}

.imgui-input {
    width: 100%;
    background: #121620;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 5px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.imgui-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.section-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: #93c5fd;
    margin: 12px 0 6px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.transform-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.axis-group {
    background: rgba(14, 18, 25, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px;
}

.axis-badge {
    display: block;
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 4px;
}

.axis-inputs {
    display: flex;
    gap: 6px;
}

.axis-inputs span {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: #64748b;
}

.axis-val {
    width: 100%;
    background: #1a2230;
    border: 1px solid var(--border-color);
    color: #e2e8f0;
    padding: 3px 4px;
    border-radius: 3px;
    font-size: 11px;
    font-family: var(--font-mono);
}

.inspector-actions {
    margin-top: 14px;
}

/* Browser */
.browser-header {
    padding: 8px;
    background: rgba(18, 22, 30, 0.8);
    border-bottom: 1px solid var(--border-color);
}

.drop-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #142838;
    border: 1px solid #1e4a6e;
    color: #38bdf8;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-family: var(--font-mono);
    margin-bottom: 8px;
}

.quick-paths {
    display: flex;
    gap: 6px;
}

.quick-btn {
    background: #1c2434;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 11px;
    font-family: var(--font-mono);
    padding: 3px 8px;
    border-radius: 3px;
    cursor: pointer;
}

.quick-btn:hover {
    background: #2a3549;
}

.file-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    margin-bottom: 4px;
    background: rgba(26, 32, 45, 0.5);
    border: 1px solid rgba(46, 56, 77, 0.4);
}

.file-entry:hover {
    background: rgba(35, 45, 65, 0.8);
    border-color: #3b82f6;
}

.file-tag {
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 3px;
    background: #1e3a8a;
    color: #bfdbfe;
    margin-right: 6px;
}

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

.file-load-btn {
    background: var(--accent-blue);
    border: none;
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 11px;
    font-family: var(--font-mono);
    cursor: pointer;
}

.file-load-btn:hover {
    background: var(--accent-blue-hover);
}

.file-upload-section {
    margin-top: 14px;
    padding: 10px;
    background: rgba(14, 18, 25, 0.7);
    border-radius: 4px;
    border: 1px dashed var(--border-color);
}

.upload-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-align: center;
}

/* Gizmo Mode Bar */
.gizmo-bar {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(22, 26, 35, 0.94);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    display: flex;
    gap: 4px;
    pointer-events: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.gizmo-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-size: 11px;
    font-family: var(--font-mono);
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.gizmo-btn:hover {
    color: #fff;
    background: #242c3d;
}

.gizmo-btn.active {
    background: #1e3a8a;
    border-color: #3b82f6;
    color: #fff;
}

/* Status Bar */
.app-statusbar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 32px;
    background: #0d1017;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    font-size: 11px;
    font-family: var(--font-mono);
    pointer-events: auto;
    z-index: 10;
}

.status-left {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e2e8f0;
}

.status-indicator {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-emerald);
}

.status-right {
    display: flex;
    gap: 12px;
    color: var(--text-muted);
}

.hotkey-item b {
    color: #93c5fd;
}