/* ═══════════════════════════════════════════════════════════════
   MPVRP-CC Visualizer - Modern Minimal Theme
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Light Theme (Default) */
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-hover: #f0f2f5;
    --primary: #4f46e5;
    --primary-light: rgba(79, 70, 229, 0.1);
    --secondary: #0ea5e9;
    --success: #10b981;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --border: rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --map-bg: #fafbfc;
    --grid-color: rgba(0, 0, 0, 0.04);
    --sidebar-width: 280px;
}

[data-theme="dark"] {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-hover: #252836;
    --primary: #6366f1;
    --primary-light: rgba(99, 102, 241, 0.15);
    --secondary: #22d3ee;
    --success: #34d399;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --map-bg: #12151c;
    --grid-color: rgba(255, 255, 255, 0.03);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.app-container {
    display: flex;
    height: 100vh;
    position: relative;
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    gap: 20px;
    overflow-y: auto;
    transition: transform 0.3s ease, width 0.3s ease, opacity 0.3s ease;
    z-index: 10;
}

.sidebar.collapsed {
    transform: translateX(-100%);
    width: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
}

.sidebar-header {
    text-align: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.sidebar-header .subtitle {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: fixed;
    left: var(--sidebar-width);
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 48px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 10px;
    transition: all 0.3s ease;
    z-index: 100;
    box-shadow: var(--shadow);
}

.sidebar-toggle:hover {
    background: var(--surface-hover);
    color: var(--primary);
}

.sidebar-toggle .toggle-icon {
    transition: transform 0.3s ease;
}

.sidebar.collapsed + .map-area .sidebar-toggle,
body:has(.sidebar.collapsed) .sidebar-toggle {
    left: 0;
}

body:has(.sidebar.collapsed) .sidebar-toggle .toggle-icon {
    transform: rotate(180deg);
}

/* ═══════════════════════════════════════════════════════════════
   PANEL SECTIONS
   ═══════════════════════════════════════════════════════════════ */

.panel-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

/* Upload Section */
.upload-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-compact {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--surface-hover);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.upload-compact:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-compact.loaded {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.upload-emoji {
    font-size: 18px;
}

.upload-label {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
}

.upload-status {
    font-size: 14px;
}

.file-input {
    display: none;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.metric {
    background: var(--surface-hover);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.metric-label {
    display: block;
    font-size: 10px;
    color: var(--text-dim);
    margin-top: 2px;
}

/* Legend */
.legend-compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--surface-hover);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.legend-row span {
    font-size: 16px;
}

/* Fleet */
.fleet-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fleet-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--surface-hover);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
}

.fleet-color {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

.fleet-placeholder {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 12px;
    color: var(--text-dim);
}

/* ═══════════════════════════════════════════════════════════════
   MAP AREA
   ═══════════════════════════════════════════════════════════════ */

.map-area {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--map-bg);
    overflow: hidden;
}

.canvas-wrapper {
    position: absolute;
    inset: 0;
}

canvas {
    width: 100%;
    height: 100%;
    cursor: grab;
}

canvas:active {
    cursor: grabbing;
}

/* Empty State */
.empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    pointer-events: none;
}

.empty-icon {
    font-size: 64px;
    opacity: 0.4;
    margin-bottom: 16px;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    opacity: 0.7;
}

.empty-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    max-width: 300px;
}

/* Map Overlay */
.map-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
}

.overlay-badge {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
}

.overlay-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ═══════════════════════════════════════════════════════════════
   FLOATING CONTROLS
   ═══════════════════════════════════════════════════════════════ */

.floating-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
}

.controls-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 12px;
    box-shadow: var(--shadow-lg);
}

.ctrl-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: var(--surface-hover);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ctrl-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.ctrl-btn.primary {
    background: var(--primary);
    color: white;
    width: 44px;
    height: 44px;
}

.ctrl-btn.primary:hover {
    filter: brightness(1.1);
}

.ctrl-btn.primary.playing {
    background: #ef4444;
}

/* Timeline Mini */
.timeline-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 8px;
    border-left: 1px solid var(--border);
}

.timeline-mini input[type="range"] {
    width: 120px;
}

.progress-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 35px;
}

/* Speed Mini */
.speed-mini {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--border);
}

.speed-mini input[type="range"] {
    width: 60px;
}

.speed-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--secondary);
    min-width: 20px;
}

/* Range Inputs */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--surface-hover);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: transform 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
}

/* Tooltip */
.tooltip {
    position: fixed;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    max-width: 260px;
}

.tooltip-header {
    padding: 10px 14px;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-hover);
    border-radius: 10px 10px 0 0;
}

.tooltip-content {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tooltip-product {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tooltip-product-label {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    min-width: 28px;
    text-align: center;
}

.tooltip-bar-bg {
    flex: 1;
    height: 6px;
    background: var(--input-bg);
    border-radius: 3px;
    overflow: hidden;
}

.tooltip-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.2s;
}

.tooltip-qty {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 60px;
    text-align: right;
}

.tooltip-qty.excess {
    color: #f59e0b;
}

.tooltip-qty.shortage {
    color: #ef4444;
}

.tooltip-product.excess {
    background: rgba(245, 158, 11, 0.1);
    margin: -4px -8px;
    padding: 4px 8px;
    border-radius: 4px;
}

.tooltip-product.shortage {
    background: rgba(239, 68, 68, 0.1);
    margin: -4px -8px;
    padding: 4px 8px;
    border-radius: 4px;
}

.tooltip-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-muted);
}

.tooltip-excess-badge {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 10px;
}

.tooltip-shortage-badge {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 10px;
}

.tooltip-empty {
    color: var(--text-dim);
    font-style: italic;
    text-align: center;
    padding: 4px 0;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    :root {
        --sidebar-width: 240px;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        box-shadow: var(--shadow-lg);
    }

    .sidebar.collapsed {
        transform: translateX(-100%);
    }

    .sidebar-toggle {
        left: 0;
    }

    body:has(.sidebar:not(.collapsed)) .sidebar-toggle {
        left: var(--sidebar-width);
    }

    .floating-controls {
        bottom: 12px;
        left: 12px;
        right: 12px;
        transform: none;
    }

    .controls-inner {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 6px;
        padding: 10px;
    }

    .timeline-mini {
        order: 10;
        width: 100%;
        justify-content: center;
        border-left: none;
        border-top: 1px solid var(--border);
        padding-top: 8px;
        margin-top: 4px;
    }

    .timeline-mini input[type="range"] {
        flex: 1;
        max-width: 200px;
    }

    .speed-mini {
        border-left: none;
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-value {
        font-size: 16px;
    }

    .ctrl-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .ctrl-btn.primary {
        width: 40px;
        height: 40px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   DEPOT INVENTORY PANEL
   ═══════════════════════════════════════════════════════════════ */

.depot-inventory-panel {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 40;
    min-width: 200px;
    max-width: 280px;
    max-height: 300px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.depot-inventory-panel.collapsed {
    max-height: 40px;
}

.depot-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--surface-hover);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}

.depot-toggle {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.2s;
}

.depot-toggle:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.depot-panel-content {
    padding: 12px;
    max-height: 250px;
    overflow-y: auto;
}

.depot-placeholder {
    text-align: center;
    padding: 16px;
    font-size: 12px;
    color: var(--text-dim);
}

.depot-card {
    background: var(--surface-hover);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
}

.depot-card:last-child {
    margin-bottom: 0;
}

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

.depot-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}

.depot-visits {
    font-size: 10px;
    color: var(--text-dim);
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 4px;
}

.depot-products {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-label {
    font-size: 9px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    min-width: 24px;
    text-align: center;
}

.product-bar-bg {
    flex: 1;
    height: 6px;
    background: var(--surface);
    border-radius: 3px;
    overflow: hidden;
}

.product-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.product-qty {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 35px;
    text-align: right;
}

.product-qty.negative {
    color: #ef4444;
    font-weight: 700;
}

.product-row.negative .product-bar-bg {
    background: rgba(239, 68, 68, 0.15);
}

.depot-card.depot-warning {
    border: 1px solid rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.05);
}

.depot-card.depot-warning .depot-name {
    color: #ef4444;
}

/* Responsive depot panel */
@media (max-width: 768px) {
    .depot-inventory-panel {
        top: 8px;
        left: 8px;
        min-width: 160px;
        max-width: 220px;
        max-height: 200px;
    }

    .depot-panel-header {
        padding: 8px 10px;
        font-size: 11px;
    }

    .depot-panel-content {
        padding: 8px;
        max-height: 150px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

.depot-panel-content::-webkit-scrollbar {
    width: 4px;
}

.depot-panel-content::-webkit-scrollbar-track {
    background: transparent;
}

.depot-panel-content::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   NOTIFICATION CONTAINER (Product Swap Notifications)
   ═══════════════════════════════════════════════════════════════ */

.notification-container {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 100;
    max-width: 280px;
    pointer-events: none;
}

.notification {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease-out, fadeOut 0.3s ease-in 2.7s;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification.fade-out {
    animation: fadeOut 0.3s ease-in forwards;
}

.notification-icon {
    font-size: 18px;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

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

.notification-truck {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Responsive notification */
@media (max-width: 768px) {
    .notification-container {
        top: 8px;
        right: 8px;
        max-width: 200px;
    }

    .notification {
        padding: 8px 12px;
    }

    .notification-title {
        font-size: 11px;
    }

    .notification-message {
        font-size: 10px;
    }
}