/* AGV Simulation — Dark Theme (qt-material exact colors) */

:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #383838;
    --bg-canvas: #1e1e1e;
    --bg-input: #383838;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #80cbc4;
    --accent-hover: #4db6ac;
    --border: #555555;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --info: #2196f3;

    /* AGV status colors (exact from dxf_canvas.py) */
    --agv-idle: rgb(100,100,100);
    --agv-moving: rgb(0,150,0);
    --agv-loading: rgb(255,200,0);
    --agv-charging: rgb(0,200,255);
    --agv-waiting: rgb(255,140,0);
    --agv-assigned: rgb(70,130,180);
    --agv-error: rgb(255,0,0);

    /* Node colors (exact from dxf_canvas.py) */
    --node-standard: rgb(70,130,180);
    --node-charging: rgb(50,205,50);
    --node-pickup: rgb(255,165,0);
    --node-dropoff: rgb(220,20,60);
    --node-waiting: rgb(147,112,219);
    --node-transfer: rgb(255,100,100);
}

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

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    color-scheme: dark;
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-primary);
}

/* ============ MENU BAR (Datei | Ansicht | Simulation) ============ */
#menubar {
    display: flex;
    height: 26px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 4px;
    flex-shrink: 0;
    align-items: stretch;
}
.menu-item {
    position: relative;
}
.menu-trigger {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0 10px;
    height: 100%;
    font-size: 12px;
    cursor: pointer;
}
.menu-trigger:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.menu-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    min-width: 260px;
    z-index: 1000;
    padding: 4px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.menu-item:hover > .menu-dropdown,
.menu-item.open > .menu-dropdown { display: block; }
.menu-dropdown button {
    display: flex;
    align-items: center;
    width: 100%;
    background: transparent;
    color: var(--text-primary);
    border: none;
    padding: 5px 24px;
    font-size: 12px;
    cursor: pointer;
    text-align: left;
}
.menu-dropdown button:hover { background: var(--bg-tertiary); }
.menu-dropdown .shortcut {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 11px;
    padding-left: 24px;
}
.menu-sep {
    height: 1px;
    background: var(--border);
    margin: 3px 8px;
}
.menu-check::before {
    content: '';
    display: inline-block;
    width: 14px;
    margin-right: 6px;
    margin-left: -14px;
}
.menu-check.checked::before {
    content: '✓ ';
}

/* ============ TOOLBAR ============ */
#toolbar {
    display: flex;
    align-items: center;
    height: 40px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 8px;
    gap: 4px;
    flex-shrink: 0;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.toolbar-separator {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 6px;
}

#toolbar label {
    color: var(--text-secondary);
    font-size: 12px;
    white-space: nowrap;
    cursor: pointer;
}

#toolbar select {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 22px 2px 6px;
    font-size: 12px;
    max-width: 160px;
}

#toolbar button {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}
#toolbar button:hover { background: #444; }

.tool-btn.active {
    background: var(--accent) !important;
    color: #1e1e1e !important;
    border-color: var(--accent) !important;
}

#rotation-display {
    color: var(--text-secondary);
    font-size: 11px;
    min-width: 35px;
    text-align: center;
}

#toolbar input[type="checkbox"] {
    accent-color: var(--accent);
}

#toolbar input[type="number"] {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 12px;
    width: 60px;
}

/* ============ MAIN CONTENT ============ */
#main-content {
    display: flex;
    height: calc(100vh - 26px - 40px - 36px - 24px); /* minus menubar, toolbar, sim-bar, statusbar */
    overflow: hidden;
}

/* Canvas area */
#canvas-area {
    flex: 7;
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

#sim-canvas {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--bg-canvas);
    cursor: crosshair;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
}

/* ============ TRAFFIC CONTROL LEGEND (bottom-left overlay, matches desktop) ============ */
#traffic-legend {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(30,30,30,0.92);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    z-index: 10;
    min-width: 150px;
}
.legend-title {
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 4px;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-primary);
    padding: 2px 0;
}
.legend-color {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.2);
    flex-shrink: 0;
}

/* ============ SIMULATION BAR (bottom, matches desktop) ============ */
#sim-bar {
    display: flex;
    align-items: center;
    height: 36px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 0 12px;
    gap: 8px;
    flex-shrink: 0;
    overflow-x: auto;
    overflow-y: hidden;
}
.sim-bar-title {
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sim-bar-separator {
    width: 1px;
    height: 20px;
    background: var(--border);
    flex-shrink: 0;
}
.sim-bar-label {
    color: var(--text-secondary);
    font-size: 11px;
    white-space: nowrap;
}
#sim-bar .ctrl-btn {
    height: 26px;
    padding: 0 8px;
    font-size: 11px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}
#sim-bar .ctrl-btn:hover { background: #444; }
#sim-bar .ctrl-btn:disabled { opacity: 0.4; cursor: default; }

#sim-bar #speed-slider {
    width: 100px;
    accent-color: var(--accent);
}
#sim-bar #speed-label {
    color: var(--accent);
    font-size: 12px;
    font-weight: bold;
    min-width: 30px;
}
.sim-time-value {
    color: var(--accent);
    font-weight: bold;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}
.sim-calendar-value {
    color: var(--accent);
    font-weight: bold;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Splitter */
#splitter {
    width: 4px;
    background: var(--border);
    cursor: col-resize;
    flex-shrink: 0;
}
#splitter:hover { background: var(--accent); }

/* ============ SIDEBAR ============ */
#sidebar {
    flex: 3;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    min-width: 340px;
    max-width: 600px;
    overflow: hidden;
}

.tab-bar {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border);
    flex-shrink: 0;
}

.tab-btn {
    flex: 1;
    padding: 8px 4px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 12px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.tab-panel { display: none; padding: 0; }
.tab-panel.active { display: block; }

/* Sub-tabs */
.sub-tab-bar {
    display: flex;
    flex-wrap: wrap;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 0 4px;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 5;
}

.sub-tab-btn {
    padding: 6px 10px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 11px;
    cursor: pointer;
}
.sub-tab-btn:hover { color: var(--text-primary); }
.sub-tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.sub-tab-panel { display: none; }
.sub-tab-panel.active { display: block; }

/* Inner tabs (Pickup/Dropoff inside Inbound) */
.inner-tab-bar {
    display: flex;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 0 4px;
    position: sticky;
    top: 32px;
    z-index: 4;
}
.inner-tab-btn {
    padding: 6px 14px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}
.inner-tab-btn:hover { color: var(--text-primary); }
.inner-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
    background: rgba(255,255,255,0.04);
}
.inner-tab-panel { display: none; overflow-y: auto; }
.inner-tab-panel.active { display: block; }

/* Section title cyan (matching desktop header style) */
.section-title-cyan { color: #00cccc !important; }

/* Input with unit suffix */
.input-unit {
    display: flex;
    align-items: center;
    gap: 4px;
}
.input-unit input { flex: 1; }
.input-unit .unit { color: var(--text-secondary); font-size: 11px; white-space: nowrap; }

/* Scrollable node list textarea */
.node-list-area {
    width: 100%;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 4px 6px;
    font-family: monospace;
    font-size: 11px;
    resize: vertical;
    min-height: 60px;
}

/* Multi-select list */
.multi-list {
    width: 100%;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 11px;
}

/* Zone node multi-select (larger) */
.zone-node-select {
    min-height: 80px;
}

/* Checkbox dropdown for zone node selection */
.cb-dropdown {
    position: relative;
    width: 100%;
}
.cb-dropdown-btn {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 6px 28px 6px 8px;
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}
.cb-dropdown-btn::after {
    content: '\25BC';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--text-secondary);
}
.cb-dropdown-btn:hover { border-color: var(--accent); }
.cb-dropdown.open .cb-dropdown-btn { border-color: var(--accent); }
.cb-dropdown-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 180px;
    overflow-y: auto;
    background: var(--bg-tertiary);
    border: 1px solid var(--accent);
    border-radius: 0 0 3px 3px;
    z-index: 20;
    padding: 2px 0;
}
.cb-dropdown.open .cb-dropdown-list { display: block; }
.cb-dropdown-list label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}
.cb-dropdown-list label:hover { background: rgba(128,203,196,0.12); }
.cb-dropdown-list input[type="checkbox"] {
    accent-color: var(--accent);
    margin: 0;
}
.cb-dropdown-search {
    width: calc(100% - 12px);
    margin: 4px 6px;
    padding: 4px 6px;
    font-size: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    outline: none;
}
.cb-dropdown-search:focus { border-color: var(--accent); }

/* Priority list for dropoff zones */
.priority-list-container {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 4px 6px;
    min-height: 40px;
    max-height: 180px;
    overflow-y: auto;
}
.priority-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.priority-list li {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 4px;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    cursor: grab;
}
.priority-list li:last-child { border-bottom: none; }
.priority-list .prio-num {
    display: inline-block;
    min-width: 18px;
    text-align: center;
    font-weight: 700;
    color: var(--accent);
}
.priority-list .prio-btns {
    margin-left: auto;
    display: flex;
    gap: 2px;
}
.priority-list .prio-btns button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 2px;
    cursor: pointer;
}
.priority-list .prio-btns button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
/* Zone edit mode button styling */
.action-btn.editing {
    background: #e67e22;
    border-color: #d35400;
}
.action-btn.editing:hover {
    background: #d35400;
}

/* Angle preset buttons */
.angle-presets {
    display: flex;
    gap: 4px;
    margin-top: 6px;
}
.angle-btn {
    padding: 3px 10px;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
}
.angle-btn:hover { border-color: var(--accent); }

/* Orientation title */
.orientation-title {
    display: block;
    font-weight: 600;
    text-align: center;
    margin-bottom: 6px;
    color: var(--text-primary);
}

/* Button row */
.btn-row { display: flex; gap: 6px; }
.action-btn.small { font-size: 11px; padding: 3px 10px; }
.action-btn.danger { color: #e06; }
.action-btn.full-width { width: 100%; text-align: center; }

/* Panel sections */
.panel-section {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(85,85,85,0.4);
}
.panel-section h3 {
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Section header row (title + actions on same line) */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.section-header-row h3 { margin-bottom: 0; }
.header-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* Subsection title (h4 for Korridor/Kurve/Verkehrskontrolle) */
.subsection-title {
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 10px 0 6px 0;
    padding-top: 6px;
    border-top: 1px solid rgba(85,85,85,0.3);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 12px;
}
.info-row span:first-child { color: var(--text-secondary); }

.form-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.form-row label {
    color: var(--text-secondary);
    font-size: 12px;
    min-width: 60px;
}
.form-row select, .form-row input[type="text"], .form-row input[type="number"] {
    flex: 1;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 4px 6px;
    font-size: 12px;
}
.form-row select {
    padding-right: 22px;
}
.form-row select[multiple] {
    height: auto;
    min-height: 60px;
}

.detail-value {
    color: var(--accent);
    font-weight: 500;
    font-size: 12px;
}

.action-btn {
    width: 100%;
    padding: 6px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 6px;
}
.action-btn:hover { background: var(--accent-hover); }

.accent-btn {
    background: var(--info);
    color: #fff;
}
.accent-btn:hover { background: #1976d2; }

/* Small inline buttons */
.small-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
    white-space: nowrap;
}
.small-btn:hover { background: #444; }
.small-btn.danger { color: var(--error); border-color: var(--error); }
.small-btn.danger:hover { background: rgba(244,67,54,0.2); }

/* Count label */
.count-label {
    color: var(--text-secondary);
    font-size: 11px;
    margin-left: auto;
}

/* Edge actions row */
.edge-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-top: 6px;
    flex-wrap: wrap;
}

.placeholder-text {
    color: var(--text-secondary);
    font-size: 12px;
    padding: 20px 12px;
    text-align: center;
}

/* ============ ORIENTATION WIDGET (circular dial, matches desktop theta/heading widgets) ============ */
.orientation-section {
    margin: 8px 0;
}
.orientation-section > label {
    color: var(--text-secondary);
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
}
.orientation-widget-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.orientation-canvas {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
}
.orientation-controls {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.orientation-controls input[type="number"] {
    width: 70px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 6px;
    font-size: 12px;
}
.angle-presets {
    display: flex;
    gap: 3px;
    margin-top: 2px;
}
.preset-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 10px;
    cursor: pointer;
}
.preset-btn:hover { background: #444; color: var(--text-primary); }

/* Checkbox group (Funktionen) */
.checkbox-group {
    margin: 8px 0;
}
.checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    margin-right: 12px;
    cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
    accent-color: var(--accent);
}
.section-sublabel {
    display: block !important;
    margin-bottom: 4px;
    font-weight: 600;
    color: var(--text-secondary) !important;
}

/* Highlight input (green for IDs) */
.highlight-input {
    color: var(--success) !important;
    font-weight: 600;
}

/* ============ TABLES ============ */
.table-container {
    max-height: 300px;
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}
thead {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 1;
}
th {
    padding: 6px 6px;
    text-align: left;
    color: var(--accent);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
td {
    padding: 5px 6px;
    border-bottom: 1px solid rgba(85,85,85,0.3);
    white-space: nowrap;
}
tr:hover td { background: rgba(128,203,196,0.08); }
tr.selected td { background: rgba(128,203,196,0.18); }
tr.row-selected td { background: rgba(0,188,212,0.15); }

/* AGV table action buttons */
.agv-actions { text-align: center; }
.small-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 2px 4px;
    font-size: 13px;
    line-height: 1;
    border-radius: 3px;
}
.small-icon-btn:hover { color: #ef5350; background: rgba(239,83,80,0.12); }

/* ============ KPI GRID (matches desktop 2x2 card layout) ============ */
.kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px 12px;
}

.kpi-card {
    background: #2d2d2d;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    text-align: center;
    min-height: 48px;
    max-height: 70px;
}
.kpi-value {
    font-size: 14pt;
    font-weight: bold;
    color: #ffffff;
}
.kpi-label {
    font-size: 9pt;
    color: #aaaaaa;
    margin-top: 2px;
}

/* Stats grid (2-column info rows) */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 16px;
}
.stats-grid .info-row {
    padding: 3px 0;
}

/* ============ EXPORT BUTTONS (in sub-tab-bar, matches desktop) ============ */
.export-buttons {
    display: flex;
    gap: 4px;
    margin-left: auto;
    padding: 2px 0;
}
.export-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
    white-space: nowrap;
}
.export-btn:hover { background: #444; }

/* ============ CHART STACK (vertical, matches desktop Screenshot13) ============ */
.chart-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
}
.chart-box-full {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
    height: 160px;
}
.chart-box-full canvas { width: 100% !important; height: 100% !important; }

/* Old chart grid (keep for fallback) */
.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px 12px;
}
.chart-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
    height: 170px;
}
.chart-box canvas { width: 100% !important; height: 100% !important; }

/* Chart title */
.chart-title {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* Unit labels */
.unit {
    color: var(--text-secondary);
    font-size: 11px;
}

/* ============ SLIDER GRID (Zeitprofile, matches desktop Screenshot9) ============ */
.slider-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 4px 0;
}
.slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.slider-row label {
    color: var(--text-secondary);
    font-size: 12px;
    min-width: 110px;
}
.slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}
.slider-value {
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    min-width: 35px;
    text-align: right;
}

/* ============ NODE/EDGE DETAIL SECTION ============ */
#node-detail-section { padding: 10px 12px; }
#node-detail-section .form-row { margin-bottom: 6px; }
#node-detail-section input, #node-detail-section select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 6px;
    font-size: 12px;
}

#edge-detail-section { padding: 10px 12px; }
#edge-detail-section .form-row { margin-bottom: 6px; }
#edge-detail-section input, #edge-detail-section select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 6px;
    font-size: 12px;
}

/* Monitor */
.monitor-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.monitor-stats {
    display: flex;
    gap: 16px;
    padding: 8px 0;
    font-size: 12px;
}
.monitor-stats b { color: var(--accent); }

.status-dot {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #666;
}
.status-dot.active { background: var(--success); }
.status-dot.inactive { background: #666; }
.status-dot.error { background: var(--error); }

/* ============ STATUS BAR ============ */
#statusbar {
    display: flex;
    align-items: center;
    height: 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 0 12px;
    font-size: 11px;
    color: var(--text-secondary);
    gap: 16px;
    flex-shrink: 0;
}

/* Scrollbar styling — Chromium */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #777; }
/* Scrollbar styling — Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-primary);
}

/* ============ CROSS-BROWSER FORM NORMALISATION ============ */
select, input, textarea, button {
    font-family: inherit;
    font-size: inherit;
}
/* Firefox: remove inner focus ring & padding on buttons */
::-moz-focus-inner {
    border: 0;
    padding: 0;
}
/* Firefox: style select dropdowns to match dark theme */
select {
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23a0a0a0'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    background-size: 10px 6px;
    padding-right: 22px;
}
/* Firefox: range input track */
input[type="range"] {
    -moz-appearance: none;
    appearance: none;
    background: transparent;
}
input[type="range"]::-moz-range-track {
    background: var(--bg-tertiary);
    height: 4px;
    border-radius: 2px;
    border: none;
}
input[type="range"]::-moz-range-thumb {
    background: var(--accent);
    border: none;
    border-radius: 50%;
    width: 14px;
    height: 14px;
    cursor: pointer;
}
input[type="range"]::-moz-range-progress {
    background: var(--accent);
    height: 4px;
    border-radius: 2px;
}
/* Webkit range (Edge, Chrome) */
input[type="range"]::-webkit-slider-runnable-track {
    background: var(--bg-tertiary);
    height: 4px;
    border-radius: 2px;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    background: var(--accent);
    border: none;
    border-radius: 50%;
    width: 14px;
    height: 14px;
    margin-top: -5px;
    cursor: pointer;
}
/* Firefox: number input spin buttons */
input[type="number"] {
    -moz-appearance: textfield;
}
/* Checkbox styling for Firefox */
input[type="checkbox"] {
    accent-color: var(--accent);
}

/* ============ BUTTON GRID 2x2 (Werkzeuge, Import/Export) ============ */
.btn-grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}
.grid-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    font-size: 11px;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}
.grid-btn:hover { background: #444; }
.grid-btn.active {
    background: var(--accent);
    color: #1e1e1e;
    border-color: var(--accent);
}

/* ============ EDGE FREQUENCY LEGEND (Niedrig/Mittel/Hoch) ============ */
.edge-freq-legend {
    display: flex;
    gap: 16px;
    padding: 6px 0;
    font-size: 11px;
    color: var(--text-primary);
    align-items: center;
}
.freq-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 4px;
}

/* ============ MONITOR STATUS LABEL ============ */
.monitor-status-label {
    color: var(--text-secondary);
    font-size: 12px;
}

/* ============ VEHICLE DETAIL (Fahrzeug tab, matches desktop layout) ============ */
.vd-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}
.vd-header h3 { margin: 0; font-size: 16px; font-weight: 700; }
.vd-profile-text {
    color: var(--text-secondary);
    font-size: 11px;
}
.vd-header-btns {
    display: flex;
    gap: 6px;
}
.vd-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 11px;
    padding: 4px 10px;
    line-height: 1.2;
    white-space: nowrap;
}
.vd-btn:hover { background: var(--accent); color: #1e1e1e; }
.vd-btn.active { background: var(--accent); color: #1e1e1e; }
.vd-btn.accent { background: var(--info); color: #fff; border-color: var(--info); }
.vd-btn.accent:hover { background: #1976d2; }

/* Vehicle KPI 3x2 grid (matches desktop: Geschwindigkeit|Batterie / Distanz|Auftraege / Lieferzeit|Warteschlange) */
.vd-kpi-grid-3x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.vd-kpi-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
}
.vd-kpi-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
.vd-kpi-row {
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.vd-kpi-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}
.vd-kpi-unit {
    font-size: 11px;
    color: var(--text-secondary);
}

#vehicle-detail-panel { padding: 0; }
#vehicle-detail-panel .panel-section { padding: 10px 12px; }

/* ── Modal overlay ─────────────────────────────────────────── */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
}
.modal-dialog {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 6px; padding: 16px 20px; width: 380px; max-height: 85vh;
    overflow-y: auto; box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.modal-dialog h3 { margin: 0 0 12px 0; color: var(--accent); font-size: 14px; }
.modal-body .form-row { margin-bottom: 8px; }
.modal-body .form-row label { min-width: 140px; }
.modal-footer {
    display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px;
}
.modal-footer .action-btn { width: auto; padding: 6px 16px; }

/* ── Searchable Select Widget ────────────────────────────── */
.ss-wrap {
    position: relative; flex: 1;
}
.ss-display {
    width: 100%; box-sizing: border-box;
    background: var(--bg-tertiary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: 3px;
    padding: 4px 22px 4px 6px; font-size: 12px;
    text-align: left; cursor: pointer;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}
.ss-display:hover { border-color: var(--accent); }
.ss-panel {
    position: absolute; top: 100%; left: 0; right: 0;
    z-index: 1000;
    background: var(--bg-secondary); border: 1px solid var(--accent);
    border-radius: 3px; box-shadow: 0 4px 12px rgba(0,0,0,.4);
    max-height: 260px; display: flex; flex-direction: column;
}
.ss-search {
    width: 100%; box-sizing: border-box;
    background: var(--bg-tertiary); color: var(--text-primary);
    border: none; border-bottom: 1px solid var(--border);
    padding: 5px 6px; font-size: 12px; outline: none;
}
.ss-list {
    overflow-y: auto; max-height: 220px;
}
.ss-option {
    padding: 4px 8px; cursor: pointer; font-size: 12px;
    color: var(--text-primary);
}
.ss-option:hover { background: var(--accent); color: #fff; }
.ss-option.selected { background: rgba(0,200,255,.15); }