:root {
    --bg: #0a0a0e;
    --bg-card: #121216;
    --bg-surface: #16161e;
    --bg-input: #1c1c24;
    --bg-hover: #1a1a22;
    --border: #2a2a32;
    --border-hover: #00ff9d;
    --text: #e0e0e0;
    --text-muted: #787888;
    --text-dim: #484858;
    --accent: #00ff9d;
    --accent-hover: #00cc7a;
    --accent-glow: 0 0 20px rgba(0,255,157,0.3);
    --danger: #ff5555;
    --warning: #ffb74d;
    --info: #00d4ff;
    --success: #00ff9d;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 24px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', monospace;
    --toolbar-h: 42px;
}

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

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 var(--font-sans);
    overflow: hidden;
}
body {
    display: flex;
    flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Site Header ─── */

.site-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    z-index: 10;
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
}
.logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
}
.logo-accent { color: var(--accent); }
.tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 14px;
}
.nav-link {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    transition: color 0.15s;
}
.nav-link:hover { color: var(--accent); text-decoration: none; }
.nav-register {
    background: var(--accent);
    color: #000;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
}
.nav-register:hover { color: #000; box-shadow: var(--accent-glow); }
.nav-user {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ─── Toolbar ─── */

.toolbar {
    height: var(--toolbar-h);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    flex-shrink: 0;
}
.toolbar-left, .toolbar-center, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}
.toolbar-left { flex: 0 0 auto; }
.toolbar-center { flex: 1 1 auto; justify-content: center; }
.toolbar-right { flex: 0 0 auto; gap: 6px; }
.toolbar-upload {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
}
.toolbar-upload:hover {
    border-color: var(--accent);
    background: rgba(0,255,157,0.08);
}
.toolbar-upload.drag-active {
    border-color: var(--accent);
    background: rgba(0,255,157,0.15);
}
.tbu-icon {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    line-height: 1;
}
.toolbar-upload input[type="file"] { display: none; }

.tb-sep { color: var(--border); font-size: 0.7rem; }
.tb-stat { white-space: nowrap; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }

/* ─── Status Dot ─── */

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-dim);
    flex-shrink: 0;
    transition: all 0.3s;
    display: inline-block;
    margin-right: 4px;
}
.status-dot.ready { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.busy { background: var(--warning); box-shadow: 0 0 6px var(--warning); animation: blink 1s infinite; }
.status-dot.error { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
@keyframes blink { 50% { opacity: 0.3; } }

/* ─── Main Split ─── */

.main-split {
    flex: 1;
    min-height: 0;
    display: flex;
    position: relative;
}

/* ─── Editor Pane ─── */

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    flex-shrink: 0;
}
.editor-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* ─── Viewport Pane ─── */

.viewport-pane {
    flex: 1;
    min-width: 400px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #0e0e16, #08080c);
}
#viewerCanvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    position: absolute;
    top: 0;
    left: 0;
}
.viewport-hud {
    position: absolute;
    left: 12px;
    bottom: 12px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    pointer-events: none;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* ─── HUD Toggles ─── */

.hud-toggles {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 3;
}
.hud-btn {
    background: rgba(22,22,30,0.85);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 4px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
    white-space: nowrap;
}
.hud-btn:hover { border-color: var(--accent); color: var(--text); }
.hud-btn.active { background: rgba(0,255,157,0.12); border-color: var(--accent); color: var(--accent); }

/* ─── Grid Settings ─── */

.grid-settings {
    position: absolute;
    top: 50px;
    right: 10px;
    background: rgba(18,18,22,0.95);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    z-index: 4;
    min-width: 160px;
    backdrop-filter: blur(6px);
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.grid-settings label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.grid-settings select, .grid-settings input {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px 8px;
    font: 0.78rem var(--font-sans);
    outline: none;
    width: 80px;
}
.grid-settings select:focus, .grid-settings input:focus {
    border-color: var(--accent);
}

/* ─── Empty State ─── */

.empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    pointer-events: none;
    z-index: 1;
}
.empty-icon { font-size: 3rem; margin-bottom: 8px; opacity: 0.4; }
.empty-state strong { font-size: 1.1rem; color: var(--text-muted); }
.empty-state p { font-size: 0.85rem; margin-top: 4px; }

/* ─── Loading Overlay ─── */

.loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10,10,14,0.85);
    backdrop-filter: blur(4px);
    z-index: 10;
}
.spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay .loading-sub { color: var(--text-muted); font-size: 0.8rem; margin-top: 4px; }

/* ─── Split Divider ─── */

.split-divider {
    width: 6px;
    cursor: col-resize;
    background: var(--border);
    flex-shrink: 0;
    position: relative;
    z-index: 5;
    transition: background 0.15s;
}
.split-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 32px;
    border-radius: 2px;
    background: var(--text-dim);
    transition: background 0.15s;
}
.split-divider:hover, .split-divider.active { background: var(--accent); }
.split-divider:hover::after, .split-divider.active::after { background: #000; }

/* ─── Input / Button ─── */

.input {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font: 0.85rem/1.5 var(--font-sans);
    outline: none;
    transition: border-color 0.15s;
}
.input:focus { border-color: var(--accent); }

.btn {
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; color: var(--text-dim); background: var(--bg-input); }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover:not(:disabled) { box-shadow: var(--accent-glow); }
.btn-secondary { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); }
.btn-tb {
    background: var(--bg-input);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 3px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
    white-space: nowrap;
}
.btn-tb:hover { border-color: var(--accent); color: var(--text); }
.btn-tb:disabled { opacity: 0.55; cursor: not-allowed; border-color: var(--border); color: var(--text-dim); background: var(--bg); }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-block { width: 100%; }
.btn-danger { background: rgba(255,85,85,0.1); color: var(--danger); border: 1px solid rgba(255,85,85,0.3); }
.btn-danger:hover:not(:disabled) { background: rgba(255,85,85,0.2); border-color: var(--danger); }

/* ─── Auth Pages ─── */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 97px - 50px);
    padding: 20px;
}
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    width: 100%;
    max-width: 420px;
}
.auth-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; }
.alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.85rem; margin-bottom: 14px; display: none; }
.alert-error { background: rgba(255,85,85,0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert-success { background: rgba(0,255,157,0.1); border: 1px solid var(--accent); color: var(--accent); }
.alert-info { background: rgba(0,212,255,0.1); border: 1px solid var(--info); color: var(--info); }
.alert.hidden { display: none; }
.auth-links { margin-top: 14px; font-size: 0.85rem; color: var(--text-muted); text-align: center; }

/* ─── Footer ─── */

.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-shrink: 0;
}
.footer-links { display: flex; gap: 14px; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* ─── Page Layout ─── */

.page-main {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}
body.page-dashboard, body.page-gallery, body.page-model { overflow: auto; }
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; }
.page-header-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.page-header-right { display: flex; align-items: center; gap: 8px; }

/* ─── Stats Cards ─── */

.dash-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 28px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.stat-value { display: block; font-size: 1.3rem; font-weight: 700; color: var(--accent); font-family: var(--font-mono); }
.stat-label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.3px; }

/* ─── Dashboard ─── */

.dash-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 20px; }
.dash-section-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.dash-section-header h2 { font-size: 1.1rem; font-weight: 700; }
.empty-section { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-section p { font-size: 0.95rem; }
.text-muted { color: var(--text-muted); }

/* ─── Dashboard Table ─── */

.dash-table-wrap { overflow-x: auto; }
.dash-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.dash-table th { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text-muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.3px; white-space: nowrap; }
.dash-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.dash-table tr:hover td { background: var(--bg-hover); }
.model-name { font-weight: 600; color: var(--text); }
.model-name:hover { color: var(--accent); }
.actions-cell { white-space: nowrap; display: flex; gap: 4px; }

/* ─── Badges ─── */

.badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-pill); font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.badge-public { background: rgba(0,255,157,0.12); color: var(--accent); border: 1px solid rgba(0,255,157,0.3); }
.badge-private { background: rgba(120,120,136,0.12); color: var(--text-muted); border: 1px solid var(--border); }

/* ─── Pagination ─── */

.pagination { display: flex; justify-content: center; gap: 4px; margin-top: 20px; }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 8px; border-radius: var(--radius-sm); background: var(--bg-input); border: 1px solid var(--border); color: var(--text-muted); font-size: 0.82rem; font-weight: 600; transition: all 0.15s; }
.page-link:hover { border-color: var(--accent); color: var(--text); text-decoration: none; }
.page-link.active { background: var(--accent); color: #000; border-color: var(--accent); }

/* ─── Gallery Grid ─── */

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.gallery-card { display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all 0.2s; }
.gallery-card:hover { border-color: var(--accent); box-shadow: var(--accent-glow); text-decoration: none; }
.gallery-card-preview { aspect-ratio: 4/3; background: var(--bg); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.gallery-card-body { padding: 12px 14px; }
.gallery-card-title { font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.gallery-card-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; margin-bottom: 6px; }
.gallery-card-meta { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-dim); }

/* ─── Search ─── */

.gallery-search form { display: flex; gap: 6px; align-items: center; }
.search-input { width: 240px; }

/* ─── Model Detail ─── */

.model-layout { display: flex; gap: 20px; margin-bottom: 24px; }
.model-viewer { flex: 1; min-width: 0; }
.model-stl-viewer { width: 100%; aspect-ratio: 4/3; background: radial-gradient(ellipse at center, #0e0e16, #08080c); border-radius: var(--radius-md); border: 1px solid var(--border); position: relative; overflow: hidden; }
.model-description { margin-top: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.model-description h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.model-description p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.model-sidebar { width: 260px; flex-shrink: 0; display: flex; flex-direction: column; gap: 16px; }
.model-meta-card, .model-downloads { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.model-meta-card h3, .model-downloads h3 { font-size: 0.85rem; font-weight: 700; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.3px; color: var(--text-muted); }
.model-dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 0.82rem; }
.model-dl dt { color: var(--text-muted); }
.model-dl dd { color: var(--text); }

/* ─── Modal ─── */

.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    z-index: 100; backdrop-filter: blur(2px);
}
.modal-overlay.hidden { display: none; }
.modal-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); width: 90%; max-width: 520px;
    max-height: 80vh; display: flex; flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-card-sm { max-width: 420px; }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.05rem; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; padding: 0 4px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }

/* ─── Scene Tree ─── */

.scene-item {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 8px; border-radius: var(--radius-sm);
    cursor: pointer; transition: background 0.1s; font-size: 0.82rem;
}
.scene-item:hover { background: var(--bg-hover); }
.scene-item.selected { background: rgba(0,255,157,0.1); outline: 1px solid var(--accent); }
.scene-item.op-selected { background: rgba(0,255,157,0.08); outline: 1px dashed var(--warning); }
.scene-item .color-swatch {
    width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--border); flex-shrink: 0;
}
.scene-item .item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scene-item .item-vis { cursor: pointer; opacity: 0.5; }
.scene-item .item-vis:hover { opacity: 1; }

/* ─── Properties Panel ─── */

.prop-row {
    display: flex; align-items: center; gap: 8px;
}
.prop-label { font-size: 0.75rem; color: var(--text-muted); min-width: 40px; text-transform: uppercase; letter-spacing: 0.2px; }
.prop-input {
    background: var(--bg-input); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 4px 8px; font: 0.78rem var(--font-mono);
    outline: none; width: 60px; transition: border-color 0.15s;
}
.prop-input:focus { border-color: var(--accent); }
.prop-color {
    width: 100%; height: 32px; padding: 2px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-input); cursor: pointer;
}
.prop-group { display: flex; flex-direction: column; gap: 4px; }
.prop-group-title { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.3px; }

/* ─── Responsive ─── */

@media (max-width: 768px) {
    body { overflow-y: auto; }
    .toolbar { flex-wrap: wrap; height: auto; padding: 6px 8px; gap: 4px; }
    .toolbar-center { flex: 1 1 100%; justify-content: flex-start; }
    .toolbar-right { flex: 1 1 100%; justify-content: flex-start; }
    .main-split { flex-direction: column; }
    #leftPanel { width: 100% !important; min-width: 0; flex: none; max-height: 200px; }
    .viewport-pane { min-width: 0; flex: 1; min-height: 300px; }
    .split-divider { display: none; }
    .hud-toggles { flex-direction: row; top: auto; bottom: 10px; right: 10px; }
    .model-layout { flex-direction: column; }
    .model-sidebar { width: 100%; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .search-input { width: 140px; }
}

/* ─── Shape Palette (Right Panel) ─── */

.shape-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 6px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
}
.shape-btn:hover {
    border-color: var(--accent);
    color: var(--text);
    background: rgba(0,255,157,0.06);
}
.shape-icon {
    font-size: 1.5rem;
    line-height: 1;
    opacity: 0.7;
}
.shape-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

/* ─── Boolean Buttons ─── */

.bool-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 1rem;
    padding: 6px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    font-family: var(--font-sans);
}
.bool-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0,255,157,0.06);
}
.bool-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--border);
    color: var(--text-muted);
}

/* ─── Utility ─── */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.hidden { display: none !important; }

/* ─── Transforms ─── */
.dim-label { user-select: none; }
.dim-label input { pointer-events: auto; }

/* ─── History List ─── */

.history-item {
    padding: 3px 10px;
    font-size: 0.72rem;
    color: var(--text-muted);
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: all 0.1s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.history-item:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.history-item.current {
    color: var(--accent);
    border-left-color: var(--accent);
    background: rgba(0,255,157,0.05);
}
.text-center { text-align: center; }