/* ═══════════════════════════════════════════
   Warehouse Planner v4.1 — Styles
   Font: Manrope (cyrillic) + JetBrains Mono
   ═══════════════════════════════════════════

   SECTION MAP:
   1. CSS Variables & Design Tokens
   2. Global Reset & Base
   3. Dashboard — Top Half (Preview + Compare)
   4. Dashboard — Bottom Tabs (Create / Visual / Scenarios / Workers)
   5. Custom Select Component
   6. Data Tables
   7. Buttons (Primary / Secondary / Tech / Glow / Danger / Ghost)
   8. 3D + AI Mode
   9. Placement Mode
   10. Utilities (Toast, Scrollbars, Empty State)
   11. Responsive / Mobile

   To change the visual theme globally, edit :root variables only.
   ═══════════════════════════════════════════ */

:root {
    --bg-primary: #07080c;
    --bg-secondary: #0e1016;
    --bg-tertiary: #151821;
    --bg-elevated: #1c1f2a;
    --border: rgba(255, 255, 255, 0.055);
    --border-strong: rgba(255, 255, 255, 0.11);
    --text-primary: #e8eaf0;
    --text-secondary: #8b92a8;
    --text-muted: #4b5163;
    --accent: #00e5ff;
    --accent-dim: rgba(0, 229, 255, 0.12);
    --accent-glow: rgba(0, 229, 255, 0.45);
    --success: #00e5a0;
    --warning: #ffc400;
    --danger: #ff4d6d;
    --radius: 14px;
    --radius-sm: 10px;
    --font: "Manrope", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    /* Component tokens */
    --ctrl-bg: var(--bg-tertiary);
    --ctrl-border: 1px solid rgba(255, 255, 255, 0.08);
    --ctrl-border-hover: 1px solid rgba(0, 229, 255, 0.5);
    --ctrl-glow: 0 0 12px rgba(0, 229, 255, 0.12);
    --ctrl-radius: var(--radius-sm);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html,
body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    font-size: 15px;
    line-height: 1.45;
    letter-spacing: 0.01em;
}

/* Modes */
.mode {
    display: none;
    width: 100vw;
    height: 100vh;
}
.mode--active {
    display: flex;
}

#mode-dashboard {
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
#mode-3d {
    position: relative;
}

/* ═══════════════════════════════════════════
   DASHBOARD — Top Half (50/50)
   ═══════════════════════════════════════════ */

.dashboard-top {
    display: flex;
    height: 48vh;
    min-height: 340px;
    max-height: 520px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-strong);
}

.dash-preview {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-strong);
    background: var(--bg-secondary);
}

.preview-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.preview-title {
    font-weight: 800;
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.preview-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

#preview-canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
}

#preview-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.preview-controls {
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
}

.dash-compare {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    padding: 16px 20px;
}

.compare-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.compare-title {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.compare-toolbar {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.select-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.select-group label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}

.vs-badge {
    font-size: 11px;
    font-weight: 800;
    color: var(--accent);
    padding-bottom: 10px;
    letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════
   CUSTOM SELECT (Dropdown)
   ═══════════════════════════════════════════ */

.custom-select {
    position: relative;
    user-select: none;
    font-size: 14px;
}

.custom-select__trigger {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 34px 10px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}

.custom-select__trigger::after {
    content: "";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 5px;
    background: var(--text-secondary);
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    transition: transform 0.2s;
}

.custom-select.open .custom-select__trigger::after {
    transform: translateY(-50%) rotate(180deg);
}

.custom-select__trigger:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.custom-select.open .custom-select__trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.custom-select__options {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    max-height: 220px;
    overflow: auto;
    z-index: 50;
    display: none;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    padding: 4px;
}

.custom-select.open .custom-select__options {
    display: block;
    animation: dropIn 0.15s ease;
}

@keyframes dropIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.custom-select__option {
    padding: 9px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.1s;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-select__option:hover {
    background: var(--accent-dim);
    color: var(--accent);
}

.custom-select__option.selected {
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 700;
}

/* ═══════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════ */

.compare-table-wrap {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.compare-table th {
    text-align: left;
    padding: 12px 14px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 700;
    border-bottom: 1px solid var(--border-strong);
    white-space: nowrap;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.compare-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table .cell-better {
    color: var(--success);
    font-weight: 800;
}
.compare-table .cell-worse {
    color: var(--danger);
    font-weight: 800;
}
.compare-table .cell-neutral {
    color: var(--text-secondary);
}

.empty-row td {
    text-align: center;
    color: var(--text-muted);
    padding: 36px;
    font-size: 14px;
}

/* ═══════════════════════════════════════════
   DASHBOARD — Bottom Half (Tabs)
   ═══════════════════════════════════════════ */

.dashboard-bottom {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.dash-tabs {
    display: flex;
    gap: 6px;
    padding: 10px 18px 0;
    border-bottom: 1px solid var(--border-strong);
    background: var(--bg-secondary);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.dash-tabs::-webkit-scrollbar {
    display: none;
}

.dash-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.dash-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
}
.dash-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: linear-gradient(180deg, transparent 60%, var(--accent-dim));
}

.dash-panels {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.dash-panel {
    display: none;
    padding: 22px 24px;
    height: 100%;
    overflow: auto;
}
.dash-panel.active {
    display: flex;
    flex-direction: column;
}

/* ═══════════════════════════════════════════
   Panel: Create Scenario
   ═══════════════════════════════════════════ */

.scenario-form {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.scenario-header {
    grid-column: 1 / -1;
}

.form-column {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}
.form-column:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.column-title {
    font-size: 12px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 6px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.mini-preview {
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-top: auto;
    font-weight: 500;
    line-height: 1.5;
    border: var(--ctrl-border);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}

.form-input,
.form-textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 14px;
    outline: none;
    transition: all 0.15s;
    width: 100%;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-textarea {
    resize: vertical;
    min-height: 72px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-color {
    width: 100%;
    height: 40px;
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
    background: none;
    cursor: pointer;
    padding: 2px;
    transition: all 0.2s;
}
.form-color:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.scenario-actions {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-strong);
    flex-wrap: wrap;
    flex-shrink: 0;
}
.scenario-actions .form-group {
    margin: 0;
    flex: 1;
    min-width: 200px;
}
.scenario-actions .algo-select {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1.5;
    min-width: 260px;
}

.scenario-actions-extra {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-shrink: 0;
}

.algo-select {
    display: flex;
    align-items: center;
    gap: 10px;
}

.algo-select label {
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scenario-actions .algo-select {
    flex: 1.5;
    min-width: 260px;
}

.scenario-actions .algo-select .custom-select {
    width: 100%;
}

.scenario-header .algo-select {
    flex: 2;
    min-width: 300px;
}
.scenario-header .algo-select .custom-select {
    width: 100%;
}

.plan-status {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
}

#btn-run-sim {
    margin-left: auto;
}

.worker-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 180px;
    overflow: auto;
}

.worker-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
}

.worker-row .wk-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.worker-row input[type="number"] {
    width: 64px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 6px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    outline: none;
}
.worker-row input[type="number"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

/* Orders */
.order-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}
.order-section:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

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

.order-badge {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.15em;
    padding: 3px 10px;
    border-radius: 4px;
}

.order-badge--in {
    background: rgba(0, 229, 165, 0.12);
    color: var(--success);
}

.order-badge--out {
    background: rgba(255, 77, 109, 0.12);
    color: var(--danger);
}

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

.select-with-action {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-with-action .custom-select {
    flex: 1;
}

.select-with-action .btn {
    flex-shrink: 0;
    padding: 6px 10px;
    font-size: 11px;
}

/* ═══════════════════════════════════════════
   Panel: Visual
   ═══════════════════════════════════════════ */

.visual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    align-items: start;
}

.visual-group {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius);
    padding: 18px;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.visual-group .form-group {
    margin: 0;
    gap: 6px;
}
.visual-group:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.visual-group h4 {
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.theme-buttons {
    display: flex;
    gap: 8px;
}

.theme-btn {
    flex: 1;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.theme-btn:hover {
    border-color: var(--border-strong);
    color: var(--text-primary);
}
.theme-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.range-control {
    margin-bottom: 0;
}

.range-control label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.range-control input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-elevated);
    appearance: none;
    -webkit-appearance: none;
}

.range-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 12px var(--accent-glow);
}

.check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
}

.check-row input[type="checkbox"] {
    accent-color: var(--accent);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   Panel: Scenarios
   ═══════════════════════════════════════════ */

.scenarios-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    height: 100%;
    min-height: 0;
}

.scenarios-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
    overflow: hidden;
}

.scenarios-filters {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex-shrink: 0;
    padding: 14px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius);
}

.filter-groups {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.filter-status {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.scenario-list-compact {
    flex: 1;
    min-height: 0;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 4px;
}

.scenario-card-compact {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    cursor: pointer;
    transition: all 0.12s;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.scenario-card-compact:hover {
    border-color: var(--border-strong);
}

.scenario-card-compact.active {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.scc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.scc-title {
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scc-status {
    font-size: 9px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 800;
    flex-shrink: 0;
}

.scc-meta {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    font-weight: 500;
}

.scc-actions {
    display: flex;
    gap: 4px;
    margin-top: 0;
}

.scc-actions button {
    padding: 3px 8px;
    font-size: 10px;
}

.scenario-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.scenario-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}
.scenario-card.active {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.sc-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.sc-card-title {
    font-weight: 700;
    font-size: 15px;
}

.sc-card-status {
    font-size: 10px;
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 800;
}

.sc-card-status.status-plan {
    background: rgba(255, 196, 0, 0.12);
    color: var(--warning);
}
.sc-card-status.status-run {
    background: rgba(0, 229, 165, 0.12);
    color: var(--success);
}

.sc-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 14px;
    margin-top: 6px;
    flex-wrap: wrap;
    font-weight: 500;
}

.sc-card-actions {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.scenario-detail {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sc-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.sc-detail-header h3 {
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 13px;
}

.sc-detail-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sc-detail-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sc-detail-info p {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
}

.sc-detail-info strong {
    color: var(--text-secondary);
    font-weight: 700;
}

.sc-detail-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════
   Panel: Workers
   ═══════════════════════════════════════════ */

.workers-layout {
    display: grid;
    grid-template-columns: 380px 1fr 260px;
    gap: 18px;
    height: 100%;
}

.workers-form {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius);
    padding: 18px;
    overflow: auto;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}
.workers-form:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.workers-form h3 {
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.workers-table-wrap {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius);
    padding: 18px;
    overflow: auto;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}
.workers-table-wrap:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.workers-table-wrap h3 {
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

/* ═══════════════════════════════════════════
   Data Tables
   ═══════════════════════════════════════════ */

.data-table-wrap {
    overflow: auto;
    border-radius: var(--radius-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    border-radius: var(--ctrl-radius);
    overflow: hidden;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 700;
    border-bottom: 1px solid var(--border-strong);
    white-space: nowrap;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-weight: 500;
}

.data-table.mini {
    font-size: 12px;
}
.data-table.mini th,
.data-table.mini td {
    padding: 6px 8px;
}

/* ═══════════════════════════════════════════
   BUTTONS (Tech / Glow)
   ═══════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn:hover::before {
    opacity: 1;
}

.btn--primary {
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.08),
        rgba(0, 229, 255, 0.02)
    );
    color: var(--accent);
    border: 1px solid rgba(0, 229, 255, 0.35);
    box-shadow: 0 0 0 rgba(0, 229, 255, 0);
}
.btn--primary:hover {
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.18),
        rgba(0, 229, 255, 0.06)
    );
    border: 1px solid var(--accent);
    box-shadow:
        0 0 24px var(--accent-glow),
        0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.btn--accent {
    background: linear-gradient(
        135deg,
        rgba(139, 92, 246, 0.12),
        rgba(99, 102, 241, 0.08)
    );
    color: #a5b4fc;
    border: 1px solid rgba(139, 92, 246, 0.35);
}
.btn--accent:hover {
    background: linear-gradient(
        135deg,
        rgba(139, 92, 246, 0.22),
        rgba(99, 102, 241, 0.14)
    );
    border: 1px solid rgba(165, 180, 252, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
}

.btn--secondary {
    background: var(--ctrl-bg);
    color: var(--text-secondary);
    border: var(--ctrl-border);
}
.btn--secondary:hover {
    border: var(--ctrl-border-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow:
        var(--ctrl-glow),
        0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn--danger {
    background: rgba(255, 77, 109, 0.12);
    color: var(--danger);
    border-color: rgba(255, 77, 109, 0.3);
}
.btn--danger:hover {
    background: rgba(255, 77, 109, 0.22);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 77, 109, 0.2);
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: var(--ctrl-border);
}
.btn--ghost:hover {
    color: var(--text-primary);
    border: var(--ctrl-border-hover);
    background: rgba(0, 229, 255, 0.04);
    box-shadow: var(--ctrl-glow);
}

.btn--tech {
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.04),
        rgba(139, 92, 246, 0.04)
    );
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 10px;
    padding: 8px 12px;
}
.btn--tech:hover {
    border: 1px solid rgba(0, 229, 255, 0.5);
    color: var(--accent);
    box-shadow: var(--ctrl-glow);
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.1),
        rgba(139, 92, 246, 0.1)
    );
}

.btn--glow {
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.08),
        rgba(139, 92, 246, 0.08)
    );
    color: var(--accent);
    border: 1px solid rgba(0, 229, 255, 0.25);
    font-size: 10px;
    padding: 8px 12px;
}
.btn--glow:hover {
    background: linear-gradient(
        135deg,
        rgba(0, 229, 255, 0.18),
        rgba(139, 92, 246, 0.18)
    );
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
    transform: translateY(-1px);
}

.btn--small {
    padding: 8px 12px;
    font-size: 10px;
}
.btn--big {
    padding: 14px 22px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
    border: var(--ctrl-border);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 8px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}
.icon-btn:hover {
    border: var(--ctrl-border-hover);
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: var(--ctrl-glow);
}

/* ═══════════════════════════════════════════
   3D + AI Mode
   ═══════════════════════════════════════════ */

#scene-3d-container {
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
}

#scene-3d-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.overlay-3d-top {
    position: absolute;
    top: 14px;
    left: 14px;
    right: 440px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

.status-pill {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    font-size: 11px;
    font-weight: 800;
    color: var(--text-muted);
    pointer-events: auto;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sim-time {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 16px var(--accent-glow);
    background: rgba(0, 0, 0, 0.4);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    letter-spacing: 0.05em;
}

.sim-progress-wrap {
    flex: 1;
    margin-left: 14px;
    height: 28px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
    pointer-events: auto;
    display: flex;
    align-items: center;
}

.sim-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--accent), var(--success));
    transition: width 0.2s ease;
    opacity: 0.6;
}

.sim-progress-text {
    position: relative;
    z-index: 1;
    font-size: 11px;
    font-weight: 700;
    padding: 0 12px;
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.sidebar-toggle {
    position: absolute;
    right: 364px;
    top: 50%;
    transform: translateY(-50%);
    width: 26px;
    height: 52px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: var(--text-muted);
    font-size: 8px;
    font-weight: 800;
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.12em;
    padding: 4px;
}
.sidebar-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.sidebar-3d {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 420px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-strong);
    display: flex;
    flex-direction: column;
    z-index: 15;
    transition: transform 0.25s ease;
}

.sidebar-3d.collapsed {
    transform: translateX(100%);
}
.sidebar-3d.collapsed + .sidebar-toggle {
    right: 0;
    border-radius: 12px 0 0 12px;
}

.sidebar-3d-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-strong);
}

.s3d-tab {
    flex: 1;
    padding: 14px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.s3d-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
}
.s3d-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--accent-dim);
}

.s3d-tab--back {
    color: var(--text-muted);
}
.s3d-tab--back:hover {
    color: var(--danger);
    background: rgba(255, 77, 109, 0.06);
}
.s3d-tab--scene {
    display: none;
}

/* Mobile floating sim controls (visible only on mobile) */
.mobile-sim-controls {
    display: none;
}

.sidebar-3d-panels {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.s3d-panel {
    display: none;
    padding: 16px;
    height: 100%;
    overflow: auto;
    flex-direction: column;
}
.s3d-panel.active {
    display: flex;
}

.s3d-panel h4 {
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

/* Chat */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 8px;
}

.chat-model-select {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--ctrl-border);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-size: 10px;
    max-width: 140px;
    cursor: pointer;
    outline: none;
}

.chat-model-select:focus {
    border-color: var(--accent);
}

.chat-context {
    font-size: 9px;
    color: var(--success);
    background: rgba(0, 229, 165, 0.1);
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.chat-messages {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 4px;
    font-size: 12px;
    line-height: 1.45;
}

.msg {
    padding: 2px 0;
    color: var(--text-primary);
}
.msg--ai {
    color: var(--text-secondary);
}
.msg--user {
    color: var(--accent);
    text-align: right;
}
.msg--cmd {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}

/* Markdown in AI messages */
.msg--ai strong,
.msg--ai .md-h {
    color: var(--text-primary);
    font-weight: 700;
}
.msg--ai em {
    color: var(--text-secondary);
    font-style: italic;
}
.msg--ai code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 11px;
    color: #f59e0b;
}
    padding-left: 8px;
    border-left: 2px solid var(--accent-dim);
    margin: 2px 0 4px;
}

.msg.typing {
    color: var(--text-muted);
    font-style: italic;
}

.typing-dots {
    display: inline-flex;
    gap: 4px;
    font-size: 10px;
    color: var(--text-muted);
    animation: typingPulse 1.2s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}
.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingPulse {
    0%,
    80%,
    100% {
        opacity: 0.3;
        transform: scale(0.9);
    }
    40% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.chat-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.chip {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    font-family: var(--font);
    font-weight: 700;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.chip:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 12px var(--accent-dim);
}

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

.chat-input {
    flex: 1;
    background: var(--ctrl-bg);
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
    padding: 8px 10px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 12px;
    outline: none;
    font-weight: 500;
    resize: none;
    line-height: 1.4;
    min-height: 36px;
    max-height: 120px;
}
.chat-input:focus {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.chat-send {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    border: none;
    color: #00080a;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-top: auto;
}
.chat-send:hover {
    box-shadow: 0 0 16px var(--accent-glow);
    transform: scale(1.05);
}

/* Results metrics */
.metrics-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.metric-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: var(--ctrl-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    transition: all 0.2s;
}
.metric-card:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.metric-label {
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 800;
}

.metric-delta {
    font-size: 11px;
    margin-top: 6px;
    font-weight: 700;
}
.metric-delta.pos {
    color: var(--success);
}
.metric-delta.neg {
    color: var(--danger);
}
.metric-delta.neutral {
    color: var(--text-muted);
}

/* Control */
.control-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.speed-control {
    margin-bottom: 16px;
}

.speed-control label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 10px;
    display: block;
    font-weight: 800;
}

.speed-buttons {
    display: flex;
    gap: 6px;
}

.speed-btn {
    flex: 1;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 11px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.15s;
}
.speed-btn:hover {
    border-color: var(--border-strong);
    color: var(--text-secondary);
}
.speed-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 12px var(--accent-dim);
}

.control-actions {
    margin-bottom: 16px;
}

.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 14px 0;
}

/* ═══════════════════════════════════════════
   Utilities
   ═══════════════════════════════════════════ */

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 48px 20px;
    font-size: 14px;
    font-weight: 500;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 22px;
    background: var(--bg-elevated);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    transform: translateX(140%);
    transition: transform 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.toast.show {
    transform: translateX(0);
}
.toast.error {
    border-color: var(--danger);
    color: var(--danger);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ═══════════════════════════════════════════
   Mobile / Responsive
   ═══════════════════════════════════════════ */

@media (max-width: 1200px) {
    .scenario-form {
        grid-template-columns: 1fr 1fr;
    }
    .visual-grid {
        grid-template-columns: 1fr 1fr;
    }
    .scenarios-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.workers-preview {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: hidden;
    min-height: 0;
}

.workers-preview h3 {
    font-size: 11px;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    flex-shrink: 0;
}

#workers-preview-canvas-wrap {
    flex: 1;
    min-height: 0;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-primary);
}

#workers-preview-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 900px) {
    .dashboard-top {
        flex-direction: column;
        height: auto;
        min-height: unset;
    }
    .dash-preview {
        width: 100%;
        height: 260px;
        border-right: none;
        border-bottom: 1px solid var(--border-strong);
    }
    .dash-compare {
        width: 100%;
        min-height: 300px;
    }
    .scenario-form {
        grid-template-columns: 1fr;
    }
    .visual-grid {
        grid-template-columns: 1fr;
    }
    .scenarios-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    .scenario-list {
        max-height: 240px;
    }
    .workers-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    .workers-preview {
        height: 260px;
    }
    .workers-form {
        max-height: 380px;
    }
}

@media (max-width: 640px) {
    #mode-dashboard.mode--active {
        display: none !important;
    }
    html,
    body {
        font-size: 15px;
    }
    .dash-tab {
        padding: 10px 12px;
        font-size: 11px;
    }
    .compare-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .vs-badge {
        text-align: center;
        padding: 4px 0;
    }
    .scenario-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    #btn-run-sim {
        margin-left: 0;
    }
    .plan-status {
        margin-left: 0;
        text-align: center;
    }
    .dash-compare {
        padding: 12px;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .control-buttons {
        grid-template-columns: 1fr;
    }
    .btn-row {
        flex-direction: column;
    }

    /* ── Mobile 3D Mode ── */
    #mode-3d {
        position: fixed;
        inset: 0;
    }
    #scene-3d-container {
        inset: 0 0 56px 0;
    }
    .overlay-3d-top {
        left: 10px;
        right: 10px;
        top: 10px;
    }
    .status-pill {
        font-size: 9px;
        padding: 4px 8px;
    }
    .sim-time {
        font-size: 11px;
    }

    /* Sidebar becomes bottom tab bar */
    .sidebar-3d {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        width: 100%;
        height: 56px;
        border-left: none;
        border-top: 1px solid var(--border-strong);
        flex-direction: column-reverse;
        background: var(--bg-secondary);
        z-index: 20;
        transform: none !important;
    }
    .sidebar-3d.collapsed {
        transform: none !important;
    }
    .sidebar-3d-tabs {
        flex-shrink: 0;
        border-bottom: none;
        border-top: 1px solid var(--border-strong);
    }
    .s3d-tab {
        padding: 10px 4px;
        font-size: 10px;
        letter-spacing: 0.05em;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .s3d-tab[data-s3d="back"] {
        display: none;
    }
    .s3d-tab[data-s3d="control"] {
        display: none;
    }
    .s3d-tab--scene {
        display: block !important;
    }

    /* Panels become fullscreen overlays above the tab bar */
    .sidebar-3d-panels {
        position: fixed;
        left: 0;
        right: 0;
        top: 0;
        bottom: 56px;
        background: var(--bg-secondary);
        z-index: 25;
        display: none;
        flex-direction: column;
        border-top: 1px solid var(--border-strong);
    }
    .sidebar-3d.mobile-open .sidebar-3d-panels {
        display: flex;
    }
    .s3d-panel {
        padding: 14px;
        overflow: auto;
    }
    .s3d-panel h4 {
        font-size: 11px;
        margin-bottom: 10px;
    }
    .sidebar-toggle {
        display: none;
    }

    /* Mobile floating sim controls */
    .mobile-sim-controls {
        position: absolute;
        left: 10px;
        right: 10px;
        bottom: 66px;
        z-index: 15;
        display: flex;
        flex-direction: column;
        gap: 8px;
        pointer-events: none;
    }
    .mob-ctrl-row,
    .mob-speed-row {
        display: flex;
        justify-content: center;
        gap: 10px;
        pointer-events: auto;
    }
    .mob-ctrl-btn {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        background: var(--accent);
        color: #000;
        box-shadow: 0 4px 12px rgba(0, 229, 255, 0.35);
        transition:
            transform 0.15s,
            box-shadow 0.15s;
    }
    .mob-ctrl-btn:active {
        transform: scale(0.92);
    }
    .mob-ctrl-pause {
        background: #f59e0b;
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    }
    .mob-ctrl-stop {
        background: #ef4444;
        box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35);
    }
    .mob-speed-btn {
        padding: 6px 12px;
        border-radius: 20px;
        border: 1px solid var(--border-strong);
        background: rgba(13, 17, 23, 0.85);
        color: var(--text-secondary);
        font-size: 11px;
        font-weight: 700;
        cursor: pointer;
        backdrop-filter: blur(8px);
    }
    .mob-speed-btn.active {
        border-color: var(--accent);
        color: var(--accent);
        background: var(--accent-dim);
    }

    /* Metrics cards in mobile panel */
    .metrics-cards {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .metric-card {
        padding: 12px;
    }
    .metric-value {
        font-size: 20px;
    }

    /* Chat in mobile */
    .chat-messages {
        max-height: none;
        flex: 1;
    }
    .chat-input-row {
        padding: 8px 0 0;
    }
}

@media (max-width: 480px) {
    .dash-tab {
        padding: 10px 10px;
    }
    .dash-panel {
        padding: 12px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .metrics-cards {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════
   PLACEMENT MODE
   ═══════════════════════════════════════════ */

#mode-placement {
    position: relative;
}

#placement-canvas-wrap {
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
}

#placement-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.placement-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 300px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-strong);
    display: flex;
    flex-direction: column;
    z-index: 15;
    padding: 16px;
    gap: 14px;
    overflow: auto;
}

.placement-header h3 {
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.12em;
}

.placement-header p {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
    font-weight: 500;
}

.placement-section h4 {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.placement-workers {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.placement-worker-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 600;
    font-size: 13px;
}

.placement-worker-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-dim);
}

.placement-worker-item.active {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
}

.placement-list-item.active {
    border-color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 8px var(--accent-dim);
}

.placement-worker-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
}

.placement-tools {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.placement-zones-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 140px;
    overflow: auto;
}

.placement-zone-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.placement-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.placement-hint {
    position: absolute;
    bottom: 14px;
    left: 320px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.6;
    z-index: 10;
}

.placement-hint strong {
    color: var(--accent);
}

.placement-io {
    display: flex;
    gap: 8px;
}

.model-preview-wrap {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    min-height: 240px;
    position: relative;
}

#model-preview-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.model-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.model-controls .form-group {
    margin: 0;
    gap: 4px;
}

.model-controls label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.model-controls input[type="range"] {
    width: 100%;
    height: 5px;
    border-radius: 3px;
    background: var(--bg-elevated);
    appearance: none;
    -webkit-appearance: none;
}

.model-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow);
}

.placement-status {
    margin-top: 10px;
    padding: 12px;
    background: linear-gradient(180deg, rgba(0, 229, 255, 0.06), transparent);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.ps-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    flex-shrink: 0;
}

.ps-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ps-stats {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.5;
}

.placement-io-row {
    display: flex;
    gap: 8px;
}

.placement-summary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.placement-summary .ps-metric {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: var(--ctrl-border);
}

.placement-summary .ps-metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.placement-summary .ps-metric-value {
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
}

.placement-summary .ps-types {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.placement-summary .ps-type-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: var(--ctrl-border);
    font-size: 13px;
    font-weight: 600;
}

.placement-summary .ps-type-icon {
    width: 24px;
    height: 24px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    flex-shrink: 0;
}

.placement-summary .ps-type-count {
    margin-left: auto;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
}

.placement-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--accent);
    color: #000;
    font-size: 10px;
    font-weight: 800;
    margin-left: 6px;
    vertical-align: middle;
}

.placement-worker-item .placement-badge {
    margin-left: auto;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.placement-worker-item.active .placement-badge {
    background: var(--accent);
    color: #000;
}

.placement-placed-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 160px;
    overflow: auto;
}

.placement-placed-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.12s;
}

.placement-placed-item:hover {
    border-color: var(--accent);
}

.placement-placed-item.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.placement-placed-item .pwi-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    flex-shrink: 0;
}

.placement-placed-item .pwi-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.placement-placed-item .pwi-name {
    color: var(--text-primary);
    font-weight: 600;
}

.placement-placed-item .pwi-coords {
    color: var(--text-muted);
    font-size: 10px;
    font-family: "JetBrains Mono", monospace;
}

.placement-placed-item .pwi-del {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    line-height: 1;
    flex-shrink: 0;
    transition: all 0.12s;
}

.placement-placed-item .pwi-del:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.placement-zone-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.12s;
}

.placement-zone-item:hover {
    border-color: var(--border-strong);
}

.placement-zone-item .pz-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.placement-zone-item .pz-title {
    font-weight: 600;
    color: var(--text-primary);
}

.placement-zone-item .pz-meta {
    font-size: 10px;
    color: var(--text-muted);
    font-family: "JetBrains Mono", monospace;
}

.placement-zone-item .pz-actions {
    display: flex;
    gap: 4px;
}

.placement-zone-item .pz-actions button {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.12s;
}

.placement-zone-item .pz-actions button:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.placement-zone-item .pz-actions .pz-del:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

@media (max-width: 640px) {
    .placement-sidebar {
        width: 100%;
    }
    .placement-hint {
        left: 14px;
        bottom: auto;
        top: 14px;
    }
}

/* ═══════════════════════════════════════════
   NATIVE INPUT OVERRIDES (Unified)
   ═══════════════════════════════════════════ */

input[type="file"].form-input {
    background: var(--ctrl-bg);
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
    padding: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}
input[type="file"].form-input:hover {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

.worker-row input[type="number"] {
    background: var(--ctrl-bg);
    border: var(--ctrl-border);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 6px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    outline: none;
    transition: all 0.2s;
}
.worker-row input[type="number"]:focus {
    border: var(--ctrl-border-hover);
    box-shadow: var(--ctrl-glow);
}

input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

input[type="range"] {
    appearance: none;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-elevated);
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.1s;
}
input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Custom select refinements */
.custom-select__trigger {
    background: var(--ctrl-bg);
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
}
.custom-select__trigger:hover {
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.custom-select.open .custom-select__trigger {
    border: var(--ctrl-border-hover);
    box-shadow:
        var(--ctrl-glow),
        0 0 0 3px var(--accent-dim);
}
.custom-select__options {
    background: var(--bg-elevated);
    border: var(--ctrl-border);
    border-radius: var(--ctrl-radius);
}
.custom-select__option:hover {
    background: var(--accent-dim);
    color: var(--accent);
}
.custom-select__option.selected {
    background: var(--accent-dim);
    color: var(--accent);
}

/* ═══════════════════════════════════════════
   NUMBER FIELD (+ / -)
   ═══════════════════════════════════════════ */

.number-field {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.number-field .form-input {
    border-radius: 0;
    text-align: center;
    flex: 1;
    min-width: 0;
}

.nf-btn {
    width: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ctrl-bg);
    border: var(--ctrl-border);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.nf-btn:first-child {
    border-radius: var(--ctrl-radius) 0 0 var(--ctrl-radius);
    border-right: none;
}

.nf-btn:last-child {
    border-radius: 0 var(--ctrl-radius) var(--ctrl-radius) 0;
    border-left: none;
}

.nf-btn:hover {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: rgba(0, 229, 255, 0.3);
}

.nf-btn:active {
    transform: scale(0.95);
}

/* ═══════════════════════════════════════════
   MODAL (Worker Edit)
   ═══════════════════════════════════════════ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}
.modal.open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: var(--ctrl-border);
    border-radius: var(--radius);
    padding: 24px;
    width: 480px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.6),
        var(--ctrl-glow);
}

.modal-content h3 {
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ═══════════════════════════════════════════
   TEST PANEL
   ═══════════════════════════════════════════ */

.test-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 420px;
    max-width: calc(100vw - 40px);
    max-height: 60vh;
    background: var(--bg-secondary);
    border: 1px solid var(--ctrl-border);
    border-radius: var(--radius);
    padding: 16px;
    z-index: 999;
    transform: translateY(120%);
    transition: transform 0.3s ease;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    font-size: 12px;
    overflow: auto;
}

.test-panel.open {
    transform: translateY(0);
}

.test-close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}

.test-close:hover {
    color: var(--danger);
}

/* ── Tasks Panel ── */
.tasks-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
    flex-wrap: wrap;
}

.tasks-header h3 {
    margin: 0;
    font-size: 14px;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.tasks-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tasks-stats {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    border-left: 3px solid var(--accent);
}

.task-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.task-badge--pending {
    background: rgba(255, 196, 0, 0.15);
    color: #ffc400;
}

.task-badge--assigned {
    background: rgba(0, 229, 255, 0.15);
    color: #00e5ff;
}

.task-badge--completed {
    background: rgba(0, 229, 160, 0.15);
    color: #00e5a0;
}

.btn--tiny {
    padding: 2px 8px;
    font-size: 11px;
    min-height: 22px;
}

#panel-tasks .empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}