/* ============================================
   THEME SYSTEM — CSS Custom Properties
   Synced with site's .dark class on <html>
   and bridged to global palette variables
   ============================================ */

/* Light mode (default) */
.map-generator-container {
  --mg-bg-primary: var(--background-light, #f0f2f5);
  --mg-bg-secondary: var(--card-bg, #ffffff);
  --mg-bg-panel: var(--section-gradient-end, #e8ecf1);
  --mg-bg-input: rgba(0, 0, 0, 0.05);
  --mg-text: var(--text-dark, #1a1a2e);
  --mg-text-muted: var(--text-secondary, #555555);
  --mg-text-heading: var(--text-primary, #0f0f1a);
  --mg-border: var(--border-color, rgba(0, 0, 0, 0.12));
  --mg-border-strong: rgba(0, 0, 0, 0.2);
  --mg-accent: var(--primary-color, #2563eb);
  --mg-accent-hover: var(--primary-color-dark, #1d4ed8);
  --mg-grid-color: rgba(0, 0, 0, 0.3);
  --mg-btn-secondary: #cbd5e0;
  --mg-btn-secondary-hover: #a0aec0;
  --mg-btn-danger: #e53e3e;
  --mg-btn-danger-hover: #c53030;
  --mg-shadow: rgba(0, 0, 0, 0.1);
  --mg-canvas-bg: #e5e5e5;
  --mg-accent-light: rgba(37, 99, 235, 0.15);
  --mg-accent-active: rgba(37, 99, 235, 0.25);
  --mg-accent-glow: rgba(37, 99, 235, 0.4);
  --mg-scrollbar-thumb: rgba(0, 0, 0, 0.2);
  --mg-scrollbar-track: rgba(0, 0, 0, 0.05);
}

/* Dark mode — triggered by site's .dark class on <html> */
.dark .map-generator-container {
  --mg-bg-primary: var(--background-dark, #1a1a2e);
  --mg-bg-secondary: var(--card-bg, #16213e);
  --mg-bg-panel: var(--section-dark-end, #0f3460);
  --mg-bg-input: rgba(0, 0, 0, 0.3);
  --mg-text: var(--text-dark, #e0e0e0);
  --mg-text-muted: var(--text-secondary, #a0a0a0);
  --mg-text-heading: var(--text-light, #ffffff);
  --mg-border: var(--border-color, rgba(255, 255, 255, 0.1));
  --mg-border-strong: rgba(255, 255, 255, 0.2);
  --mg-accent: var(--primary-color, #4a90d9);
  --mg-accent-hover: var(--primary-color-light, #5ba0e9);
  --mg-grid-color: rgba(255, 255, 255, 0.4);
  --mg-btn-secondary: #4a5568;
  --mg-btn-secondary-hover: #5a6578;
  --mg-btn-danger: #e53e3e;
  --mg-btn-danger-hover: #f56565;
  --mg-shadow: rgba(0, 0, 0, 0.3);
  --mg-canvas-bg: #2d2d2d;
  --mg-accent-light: rgba(74, 144, 217, 0.2);
  --mg-accent-active: rgba(74, 144, 217, 0.3);
  --mg-accent-glow: rgba(74, 144, 217, 0.5);
  --mg-scrollbar-thumb: rgba(255, 255, 255, 0.2);
  --mg-scrollbar-track: rgba(0, 0, 0, 0.1);
}

/* ============================================
   LAYOUT CUSTOM PROPERTIES + GRID
   ============================================ */
.map-generator-container {
    --mg-header-height: 7rem;
    --mg-sidebar-width: 300px;
    --mg-touch-target: 44px;
    --mg-canvas-min-height: 400px;
    --mg-sidebar-max-height: none;

    display: grid;
    grid-template-columns: var(--mg-sidebar-width) 1fr;
    gap: 2rem;
    padding: 2rem;
    padding-top: var(--mg-header-height);
    min-height: calc(100vh - 200px);
    margin-bottom: 2rem;
}

.map-controls {
    background: var(--mg-bg-panel);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 8px;
    overflow-y: auto;
    max-height: calc(100vh - var(--mg-header-height) - 2rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--mg-scrollbar-thumb) var(--mg-scrollbar-track);
    position: sticky;
    top: var(--mg-header-height);
    align-self: start;
}

.map-canvas-container {
    position: relative;
    background: var(--mg-bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Constrain to viewport so export buttons aren't cropped below the fold */
    height: calc(100vh - var(--mg-header-height) - 2rem);
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.canvas-header h3 {
    margin: 0;
    color: var(--mg-accent);
}

/* ── View-mode segmented toolbar (Map / Heightmap / Heatmap) ── */
.view-mode-toolbar {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: auto;
    margin-right: 0.8rem;
}

.view-mode-label {
    font-size: 0.75rem;
    color: var(--mg-text-muted);
    margin-right: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.view-mode-toolbar .view-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.78rem;
    border: 1px solid var(--mg-border-strong);
    background: var(--mg-bg-panel);
    color: var(--mg-text-muted);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    line-height: 1.2;
    border-radius: 0;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
}

/* Rounded ends for first/last buttons (connected segmented look) */
.view-mode-toolbar .view-btn:first-of-type {
    border-radius: 4px 0 0 4px;
}

.view-mode-toolbar .view-btn:last-of-type {
    border-radius: 0 4px 4px 0;
}

/* Collapse duplicate borders between adjacent buttons */
.view-mode-toolbar .view-btn + .view-btn {
    margin-left: -1px;
}

.view-mode-toolbar .view-btn:hover {
    background: var(--mg-bg-input);
    color: var(--mg-text);
}

.view-mode-toolbar .view-btn.active {
    background: var(--mg-accent);
    color: #fff;
    border-color: var(--mg-accent);
    z-index: 1; /* sit above neighbours so accent border isn't hidden */
    position: relative;
}

/* Brush cursor indicator */
.brush-cursor {
    position: absolute;
    border-radius: 50%;
    pointer-events: none; /* Allow clicks to pass through */
    border: 2px solid var(--mg-text-heading);
    box-shadow: 0 0 0 1px black, 0 0 5px var(--mg-shadow); /* Enhanced double border effect */
    display: none; /* Hidden initially */
    z-index: 100;
    transform: translate(-50%, -50%); /* Center on cursor */
    transition: width 0.1s ease, height 0.1s ease; /* Smooth size transitions */
    background-color: var(--mg-border); /* Slight fill for better visibility */
}

/* Text input box for text tool */
.text-input-box {
    position: absolute;
    border: 1px dashed var(--mg-text-heading);
    background: var(--mg-bg-input);
    min-width: 100px;
    min-height: 40px;
    pointer-events: none;
    z-index: 99;
}

.text-editor {
    position: absolute;
    z-index: 200;
    background: var(--mg-bg-secondary);
    border: 1px solid var(--mg-accent);
    border-radius: 4px;
    padding: 8px;
    box-shadow: 0 0 20px var(--mg-shadow);
    display: none;
}

.text-editor textarea {
    width: 100%;
    min-height: 100px;
    background: var(--mg-bg-input);
    color: var(--mg-text);
    border: 1px solid var(--mg-border-strong);
    padding: 8px;
    font-family: inherit;
}

.text-editor-controls {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
    gap: 8px;
}

#main-canvas {
    background: var(--mg-canvas-bg);
    border-radius: 4px;
    cursor: crosshair;
    width: 100%;
    flex: 1 1 0;
    touch-action: none;
    min-height: var(--mg-canvas-min-height);
    margin-bottom: 1rem;
    box-shadow: 0 4px 8px var(--mg-shadow);
}

.tool-panel, .generation-panel {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--mg-bg-input);
    border-radius: 6px;
    box-shadow: 0 2px 4px var(--mg-shadow);
}

/* Constrain all selects and inputs in sidebar to parent width */
.map-controls select,
.map-controls input[type="number"] {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.generation-panel select {
    text-overflow: ellipsis;
    overflow: hidden;
}

.shortcut-hint {
    font-size: 0.8em;
    color: var(--mg-text-muted);
    margin-left: 5px;
}

/* Tool buttons */
.tool-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* Tool button styles */
.tool-btn {
    padding: 1rem;
    border: 2px solid var(--mg-accent);
    background: none;
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative; /* For shortcut positioning */
}

.tool-btn:hover {
    background: var(--mg-accent-light);
    transform: translateY(-2px);
}

.tool-btn.active {
    background: var(--mg-accent);
    color: var(--mg-text-heading);
    box-shadow: 0 2px 5px var(--mg-shadow);
}

/* Keyboard shortcut indicator */
.tool-btn .shortcut {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 0.6rem;
    background: var(--mg-bg-input);
    color: var(--mg-text);
    border-radius: 2px;
    padding: 1px 3px;
}

.brush-settings {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}

.color-picker {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.color-picker input[type="color"] {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--mg-border-strong);
}

.color-picker input[type="color"]:focus {
    outline: none;
    border-color: var(--mg-accent);
}

/* Tool options */
.tool-options {
    margin-top: 0.8rem;
    padding: 0.5rem;
    background: var(--mg-bg-input);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tool-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-options select,
.tool-options input[type="text"] {
    width: 100%;
    padding: 0.3rem;
    margin-top: 0.3rem;
    background: var(--mg-bg-input);
    color: var(--mg-text);
    border: 1px solid var(--mg-border-strong);
    border-radius: 4px;
}

.tool-options select:focus,
.tool-options input[type="text"]:focus {
    outline: none;
    border-color: var(--mg-accent);
}

/* Color history */
.color-history {
    margin-top: 1rem;
    background: var(--mg-bg-input);
    padding: 0.5rem;
    border-radius: 4px;
}

.color-history h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--mg-text);
}

.color-swatches {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.3rem;
    flex-wrap: wrap;
}

.color-swatch {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--mg-border-strong);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 4px var(--mg-shadow);
}

.color-swatch:hover {
    transform: scale(1.15);
    border-color: var(--mg-text-heading);
    box-shadow: 0 0 0 2px var(--mg-border-strong), 0 3px 6px var(--mg-shadow);
}

.generation-params {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin: 1rem 0;
}

.generation-params h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--mg-accent);
}

.vtt-options {
    margin-top: 0.5rem;
    padding: 0.5rem;
}

.vtt-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.map-meta-controls {
    margin-top: auto;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* General button styles */
/* Scoped to .map-generator-container to beat main_style.css cascade */
.map-generator-container .btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    background-color: var(--mg-bg-panel);
    color: var(--mg-text);
    text-transform: none;
    letter-spacing: normal;
    font-size: inherit;
    overflow: visible;
}

/* Neutralize main_style.css gradient overlay — map generator has its own hover styles */
.map-generator-container .btn::before {
    display: none !important;
}

.map-generator-container .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px var(--mg-shadow);
    color: var(--mg-text);
    text-shadow: none;
}

.map-generator-container .btn i {
    font-size: 0.9rem;
}

.map-generator-container .btn-primary {
    background-color: var(--mg-accent);
    color: #ffffff;
}

.map-generator-container .btn-primary:hover {
    background-color: var(--mg-accent-hover);
    color: #ffffff;
}

.map-generator-container .btn-secondary {
    background-color: var(--mg-btn-secondary);
    color: var(--mg-text-heading);
}

.map-generator-container .btn-tertiary {
    background-color: var(--mg-btn-secondary);
    color: var(--mg-text-heading);
}

.map-generator-container .btn-accent {
    background-color: #10b981;
    color: #ffffff;
    border: none;
}

.map-generator-container .btn-accent:hover {
    background-color: #059669;
}

.map-generator-container .btn-accent:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.map-generator-container .btn-danger {
    background-color: var(--mg-btn-danger);
    color: #ffffff;
}

/* Improve input range appearance */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: var(--mg-border);
    border-radius: 4px;
    outline: none;
}

input[type="range"]:focus-visible {
    outline: 2px solid var(--mg-accent);
    outline-offset: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--mg-accent);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 1px 3px var(--mg-shadow);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--mg-accent);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 1px 3px var(--mg-shadow);
}

/* Loading indicator styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--mg-shadow);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    border: 4px solid var(--mg-border-strong);
    border-top: 4px solid var(--mg-accent);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Loading progress indicator */
.loading-progress-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.loading-progress-bar {
    width: min(240px, 80vw);
    height: 6px;
    background: var(--mg-border-strong, #333);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 12px;
}

.loading-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--mg-accent, #e69b3a);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.loading-step-label {
    color: var(--mg-text-muted, #999);
    font-size: 0.85rem;
    font-family: var(--mg-font, monospace);
    text-align: center;
    min-height: 1.2em;
}

/* Keyboard shortcuts overlay */
.shortcuts-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1100;
}

.shortcuts-overlay.active {
    display: flex;
}

.shortcuts-panel {
    background: var(--mg-bg-section, #1e1e1e);
    border: 1px solid var(--mg-border, #444);
    border-radius: 8px;
    padding: 24px 32px;
    max-width: min(440px, 90vw);
    max-height: min(500px, 80vh);
    overflow-y: auto;
    width: 90%;
    color: var(--mg-text, #ccc);
    font-family: var(--mg-font, monospace);
}

.shortcuts-panel h3 {
    text-align: center;
    margin: 0 0 16px;
    color: var(--mg-text-heading, #e0e0e0);
    font-size: 1.1rem;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 16px;
    align-items: center;
}

.shortcuts-grid kbd {
    display: inline-block;
    background: var(--mg-bg-input, #2a2a2a);
    border: 1px solid var(--mg-border, #444);
    border-radius: 3px;
    padding: 2px 8px;
    font-size: 0.85rem;
    font-family: var(--mg-font, monospace);
    color: var(--mg-accent, #e69b3a);
    text-align: center;
    min-width: 24px;
}

.shortcuts-grid .shortcut-desc {
    font-size: 0.85rem;
    color: var(--mg-text-muted, #999);
}

.shortcuts-divider {
    grid-column: 1 / -1;
    border: none;
    border-top: 1px solid var(--mg-border, #444);
    margin: 6px 0;
}

.shortcuts-close-hint {
    text-align: center;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--mg-text-muted, #666);
}

/* Map hover tooltip */
.map-hover-tooltip {
    position: fixed;
    pointer-events: none;
    background: rgba(20, 20, 20, 0.92);
    border: 1px solid var(--mg-border, #444);
    border-radius: 4px;
    padding: 6px 10px;
    font-family: var(--mg-font, monospace);
    font-size: 0.78rem;
    color: var(--mg-text, #ccc);
    line-height: 1.5;
    z-index: 800;
    display: none;
    white-space: nowrap;
    max-width: 260px;
}

.map-hover-tooltip .tooltip-biome {
    color: var(--mg-accent, #e69b3a);
    font-weight: bold;
}

.map-hover-tooltip .tooltip-row {
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

/* Brush size preview */
.brush-size-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 30px;
    margin: 8px 0;
    background: var(--mg-bg-input);
    border-radius: 4px;
}

#brush-size-indicator {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--mg-text-heading);
    transition: width 0.2s ease, height 0.2s ease;
}

/* Shape preview */
.shape-preview {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
}

.shape-preview > div {
    width: 40px;
    height: 40px;
    background: var(--mg-bg-input);
    border: 2px solid var(--mg-border-strong);
    cursor: pointer;
    transition: all 0.2s ease;
}

.shape-preview > div:hover {
    border-color: var(--mg-accent);
    background: var(--mg-accent-light);
}

.shape-preview > div.active {
    border-color: var(--mg-accent);
    background: var(--mg-accent-active);
    box-shadow: 0 0 10px var(--mg-accent-glow);
}

.shape-preview-rectangle {
    border-radius: 4px;
}

.shape-preview-circle {
    border-radius: 50%;
}

.shape-preview-line {
    position: relative;
}

.shape-preview-line::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--mg-text);
    transform: rotate(45deg);
}

/* ============================================
   Scene Tools
   ============================================ */
.scene-tools {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* ============================================
   Grid Controls
   ============================================ */
.grid-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--mg-bg-input);
    border-radius: 4px;
}

.grid-controls label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mg-text);
    font-size: 0.9rem;
}

/* ============================================
   Zoom Controls
   ============================================ */
.zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--mg-bg-input);
    border-radius: 4px;
}

.zoom-controls button {
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--mg-border-strong);
    background: none;
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.zoom-controls button:hover {
    background: var(--mg-accent-light);
    border-color: var(--mg-accent);
}

.zoom-controls input[type="range"] {
    flex: 1;
}

.zoom-level {
    font-size: 0.85rem;
    color: var(--mg-text);
    min-width: 3.5em;
    text-align: center;
}

/* ============================================
   Layer Panel
   ============================================ */
.layer-panel {
    background: var(--mg-bg-input);
    border-radius: 6px;
    box-shadow: 0 2px 4px var(--mg-shadow);
    overflow: hidden;
}

.layer-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.8rem;
    background: var(--mg-bg-input);
    cursor: pointer;
    user-select: none;
}

.layer-panel-header h4 {
    margin: 0;
    color: var(--mg-accent);
    font-size: 0.95rem;
}

.layer-panel-actions {
    display: flex;
    gap: 0.3rem;
}

.layer-panel-actions button {
    padding: 0.25rem 0.4rem;
    border: 1px solid var(--mg-border-strong);
    background: none;
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.layer-panel-actions button:hover {
    background: var(--mg-accent-light);
    border-color: var(--mg-accent);
}

.layer-list {
    max-height: 200px;
    overflow-y: auto;
    padding: 0.3rem;
    scrollbar-width: thin;
    scrollbar-color: var(--mg-scrollbar-thumb) var(--mg-scrollbar-track);
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--mg-text);
    font-size: 0.85rem;
}

.layer-item:hover {
    background: var(--mg-border);
}

.layer-item.active {
    background: var(--mg-accent-active);
    border-left: 3px solid var(--mg-accent);
}

.layer-item button {
    padding: 0.15rem 0.3rem;
    border: none;
    background: none;
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.75rem;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.layer-item button:hover {
    opacity: 1;
    background: var(--mg-border);
}

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

/* ============================================
   Export Dropdown
   ============================================ */
.export-dropdown {
    position: relative;
    display: inline-block;
}

.export-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.3rem;
    min-width: 160px;
    background: var(--mg-bg-secondary);
    border: 1px solid var(--mg-border-strong);
    border-radius: 6px;
    box-shadow: 0 4px 12px var(--mg-shadow);
    z-index: 200;
    padding: 0.3rem 0;
    display: none;
}

.export-menu.show {
    display: block;
}

.export-option {
    display: block;
    width: 100%;
    padding: 0.5rem 0.8rem;
    border: none;
    background: none;
    color: var(--mg-text);
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.export-option:hover {
    background: var(--mg-accent-light);
}

.export-menu hr {
    border: none;
    border-top: 1px solid var(--mg-border);
    margin: 0.3rem 0;
}

/* ============================================
   Properties Panel
   ============================================ */
.properties-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(260px, 90vw);
    height: 100%;
    background: var(--mg-bg-panel);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--mg-border-strong);
    border-radius: 0 8px 8px 0;
    transform: translateX(100%);
    transition: transform 0.2s ease;
    z-index: 150;
    display: flex;
    flex-direction: column;
}

.properties-panel.open {
    transform: translateX(0);
}

.properties-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid var(--mg-border-strong);
}

.properties-header h4 {
    margin: 0;
    color: var(--mg-accent);
    font-size: 0.95rem;
}

.properties-header button {
    padding: 0.2rem 0.4rem;
    border: none;
    background: none;
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.properties-header button:hover {
    background: var(--mg-border);
}

.properties-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* ============================================
   Stamp Grid
   ============================================ */
.stamp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
    overflow-y: auto;
    max-height: 200px;
    scrollbar-width: thin;
    scrollbar-color: var(--mg-scrollbar-thumb) var(--mg-scrollbar-track);
}

.stamp-item {
    padding: 0.6rem;
    border: 2px solid var(--mg-border-strong);
    background: var(--mg-bg-input);
    color: var(--mg-text);
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    aspect-ratio: 1;
    transition: all 0.2s ease;
}

.stamp-item:hover {
    background: var(--mg-accent-light);
    border-color: var(--mg-accent);
    transform: translateY(-2px);
    box-shadow: 0 2px 5px var(--mg-shadow);
}

.stamp-item.active {
    background: var(--mg-accent-active);
    border-color: var(--mg-accent);
    box-shadow: 0 0 10px var(--mg-accent-glow);
}

.tool-section {
    overflow: hidden;
}

/* Scrollbar styling */
.map-controls::-webkit-scrollbar {
  width: 6px;
}
.map-controls::-webkit-scrollbar-track {
  background: var(--mg-scrollbar-track);
}
.map-controls::-webkit-scrollbar-thumb {
  background: var(--mg-scrollbar-thumb);
  border-radius: 3px;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.mg-toast-area {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.mg-toast {
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--mg-text);
  background: var(--mg-bg-panel);
  border: 1px solid var(--mg-border);
  box-shadow: 0 4px 12px var(--mg-shadow);
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: auto;
  max-width: 350px;
  word-wrap: break-word;
}

.mg-toast-visible {
  opacity: 1;
  transform: translateX(0);
}

.mg-toast-error {
  border-left: 4px solid var(--mg-btn-danger);
}

.mg-toast-success {
  border-left: 4px solid #48bb78;
}

.mg-toast-warning {
  border-left: 4px solid #ecc94b;
}

.mg-toast-info {
  border-left: 4px solid var(--mg-accent);
}

/* ============================================
   Remix Banner
   ============================================ */
.remix-banner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.10));
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 6px;
  color: var(--mg-text);
  font-size: 0.85rem;
  margin: 0.5rem;
  z-index: 50;
}

.remix-banner i {
  color: #7c3aed;
  font-size: 1rem;
}

.remix-banner strong {
  color: var(--mg-accent);
}

.remix-banner-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--mg-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.3rem;
  line-height: 1;
}

.remix-banner-close:hover {
  color: var(--mg-text);
}

/* ============================================
   World Map Climate Controls
   ============================================ */
.generation-params .param-group {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--mg-border);
}

.generation-params .param-group h5,
.map-history-panel h5 {
    margin: 0 0 0.4rem 0;
    font-size: 0.85rem;
    color: var(--mg-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.generation-params .param-group:last-child {
    border-bottom: none;
}

.toggle-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.3rem 0;
}

.toggle-row label {
    margin-bottom: 0;
}

.toggle-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.fantasy-sub-option {
    margin-left: 1rem;
    opacity: 0.5;
    pointer-events: none;
    transition: opacity 0.2s;
}

.fantasy-sub-option.active {
    opacity: 1;
    pointer-events: auto;
}

/* ============================================
   Map History Thumbnails
   ============================================ */
.map-history-panel {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--mg-border);
}

.map-history-thumbnails {
    display: flex;
    gap: 6px;
}

.history-slot {
    width: 70px;
    height: 52px;
    border: 2px solid var(--mg-border-strong);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.15s;
    background: var(--mg-bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-slot.empty {
    cursor: default;
    opacity: 0.4;
}

.history-slot.empty::after {
    content: '—';
    color: var(--mg-text-muted);
    font-size: 0.8rem;
}

.history-slot:not(.empty):hover {
    border-color: var(--mg-accent);
    transform: scale(1.05);
}

.history-slot:not(.empty):focus-visible {
    border-color: var(--mg-accent);
    outline: 2px solid var(--mg-accent);
    outline-offset: 2px;
}

.history-slot.active {
    border-color: var(--mg-accent);
    box-shadow: 0 0 6px var(--mg-accent-glow);
}

.history-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Collapsible Panels
   ============================================ */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    padding: 0.25rem 0;
    margin: -0.25rem 0 0.5rem 0;
}

.panel-header h3,
.panel-header h4,
.panel-header h5 {
    margin: 0;
    pointer-events: none;
}

.panel-header .panel-chevron {
    font-size: 0.75rem;
    color: var(--mg-text-muted);
    transition: transform 0.2s ease;
    pointer-events: none;
}

.panel-header.collapsed .panel-chevron {
    transform: rotate(-90deg);
}

.panel-body {
    overflow: hidden;
    transition: opacity 0.2s ease;
    opacity: 1;
}

.panel-body.collapsed {
    max-height: 0 !important;
    opacity: 0;
    margin: 0;
    padding: 0;
    pointer-events: none;
}

/* Subsection (param-group) collapsible headers */
.param-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.param-group-header h5 {
    margin: 0;
    pointer-events: none;
}

.param-group-header .param-chevron {
    font-size: 0.65rem;
    color: var(--mg-text-muted);
    transition: transform 0.2s ease;
    pointer-events: none;
}

.param-group-header.collapsed .param-chevron {
    transform: rotate(-90deg);
}

.param-group-body {
    overflow: hidden;
    transition: opacity 0.15s ease;
    opacity: 1;
}

.param-group-body.collapsed {
    max-height: 0 !important;
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   Biome Legend Panel
   ============================================ */
.legend-entries {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.legend-entry {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--mg-text);
}

.legend-swatch {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 1px solid var(--mg-border);
    flex-shrink: 0;
}

/* (responsive breakpoints consolidated below) */

/* ============================================
   Generate Button Feedback
   ============================================ */
@keyframes mg-gen-pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--mg-accent-rgb, 79, 172, 254), 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(var(--mg-accent-rgb, 79, 172, 254), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--mg-accent-rgb, 79, 172, 254), 0); }
}

#generate-map.gen-success {
    animation: mg-gen-pulse 0.6s ease-out;
}

/* Generator dropdown overflow control */
.mg-select {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================
   Responsive Breakpoints — 4-tier system
   Desktop (≥1200px) is the default — no query needed.
   ============================================ */

/* ── Tablet landscape (≤1199px) ── */
@media (max-width: 1199px) {
    .map-generator-container {
        --mg-sidebar-width: 260px;
    }
}

/* ── Tablet portrait (≤1023px) ── */
@media (max-width: 1023px) {
    .map-generator-container {
        --mg-sidebar-max-height: 35vh;
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .map-controls {
        order: -1;
        max-height: var(--mg-sidebar-max-height);
        overflow-y: auto;
        padding: 10px;
        border-right: none;
        border-bottom: 1px solid var(--mg-border);
        position: static;
    }

    .tool-section h4 {
        font-size: 0.8rem;
    }

    .map-canvas-container {
        height: calc(100vh - var(--mg-header-height) - 1rem);
    }

    .tool-buttons {
        grid-template-columns: repeat(4, 1fr);
    }

    .generation-params {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .map-meta-controls {
        justify-content: center;
    }

    .properties-panel {
        position: static;
        width: 100%;
        max-width: none;
        margin-top: 8px;
        transform: none;
        border-left: none;
        border-radius: 8px;
    }

    .properties-panel.open {
        transform: none;
    }

    .layer-panel {
        position: static;
        width: 100%;
        margin-top: 8px;
    }

    .layer-list {
        max-height: 150px;
    }
}

/* ── Phone (≤767px) ── */
@media (max-width: 767px) {
    .map-generator-container {
        --mg-sidebar-max-height: 30vh;
        --mg-touch-target: 48px;
        --mg-header-height: 5rem;
        --mg-canvas-min-height: 200px;
        padding: var(--mg-header-height) 0.5rem 0.5rem;
        gap: 0.75rem;
    }

    .map-canvas-container {
        height: calc(100vh - var(--mg-header-height) - 1rem);
    }

    .tool-buttons {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.35rem;
    }

    .tool-btn {
        padding: 0.6rem;
        font-size: 0.85rem;
        min-height: var(--mg-touch-target);
    }

    /* Hide keyboard shortcut hints on phone */
    .tool-btn .shortcut {
        display: none;
    }

    .tool-panel,
    .generation-panel {
        padding: 0.75rem;
    }

    .brush-settings {
        gap: 0.5rem;
    }

    .color-picker input[type="color"] {
        width: 32px;
        height: 32px;
    }

    /* Canvas header stacks vertically */
    .canvas-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    /* View mode toolbar full-width */
    .view-mode-toolbar {
        margin-left: 0;
        width: 100%;
    }

    .view-mode-toolbar .view-btn {
        flex: 1;
        justify-content: center;
        font-size: 0.72rem;
        padding: 0.25rem 0.4rem;
    }

    /* Meta controls stack vertically full-width */
    .map-meta-controls {
        flex-wrap: wrap;
        flex-direction: column;
        gap: 0.5rem;
    }

    .map-meta-controls .btn {
        width: 100%;
        justify-content: center;
        font-size: 0.75rem;
        padding: 4px 8px;
        min-height: var(--mg-touch-target);
    }

    .shape-preview > div {
        width: 32px;
        height: 32px;
    }

    .layer-list {
        max-height: 120px;
    }

    /* Properties panel as fixed bottom sheet on phone */
    .properties-panel {
        position: fixed;
        top: auto;
        right: 0;
        left: 0;
        bottom: 0;
        width: 100%;
        max-width: none;
        max-height: 40vh;
        height: auto;
        overflow-y: auto;
        border-left: none;
        border-radius: 12px 12px 0 0;
        border-top: 1px solid var(--mg-border-strong);
        transform: translateY(100%);
        z-index: 300;
    }

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

/* ============================================
   Touch Target Sizing (coarse pointer devices)
   ============================================ */
@media (pointer: coarse) {
    .map-generator-container .btn {
        min-height: var(--mg-touch-target);
    }

    .map-generator-container select,
    .map-generator-container input[type="number"] {
        min-height: var(--mg-touch-target);
    }

    .map-generator-container input[type="range"] {
        height: 12px;
    }

    .map-generator-container input[type="range"]::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
    }

    .map-generator-container input[type="range"]::-moz-range-thumb {
        width: 28px;
        height: 28px;
    }

    .zoom-controls button {
        min-width: var(--mg-touch-target);
        min-height: var(--mg-touch-target);
    }

    .zoom-controls input[type="range"] {
        width: 120px;
        height: var(--mg-touch-target);
    }

    .tool-btn {
        min-height: var(--mg-touch-target);
        min-width: var(--mg-touch-target);
    }

    .layer-panel-actions button {
        min-width: var(--mg-touch-target);
        min-height: var(--mg-touch-target);
    }
}

/* ============================================
   Reduced Motion Preference
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .map-generator-container *,
    .map-generator-container *::before,
    .map-generator-container *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Auto-Submit Dialog
   ============================================ */
.auto-submit-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.auto-submit-dialog {
    background: var(--mg-bg, #1a1612);
    border: 1px solid var(--mg-border, #3a3530);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 420px;
    width: 90%;
    color: var(--mg-text, #f0e8d8);
}

.auto-submit-dialog h3 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
}

.auto-submit-dialog h3 i {
    color: var(--mg-accent, #c9a55a);
    margin-right: 0.5rem;
}

.auto-submit-dialog p {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--mg-text-muted, #b0a898);
}

.auto-submit-dialog-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* ─── Save / Load Map Dialog ───────────────────────────── */

.map-save-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.map-save-dialog {
    background: var(--mg-bg, #1a1612);
    border: 1px solid var(--mg-border, #3a3530);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 440px;
    width: 90%;
    color: var(--mg-text, #f0e8d8);
}

.map-save-dialog h3 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.map-save-dialog h3 i {
    color: var(--mg-accent, #c9a55a);
    margin-right: 0.5rem;
}

.map-save-label {
    display: block;
    font-size: 0.85rem;
    color: var(--mg-text-muted, #b0a898);
    margin-bottom: 0.35rem;
}

.map-save-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--mg-border, #3a3530);
    border-radius: 6px;
    background: var(--mg-input-bg, #242018);
    color: var(--mg-text, #f0e8d8);
    font-size: 0.95rem;
    box-sizing: border-box;
}

.map-save-input:focus {
    outline: none;
    border-color: var(--mg-accent, #c9a55a);
    box-shadow: 0 0 0 2px rgba(201, 165, 90, 0.25);
}

.map-save-options {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.map-save-checkbox {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--mg-text, #f0e8d8);
}

.map-save-checkbox.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.map-save-checkbox input[type="checkbox"] {
    accent-color: var(--mg-accent, #c9a55a);
}

.map-save-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Load dialog list */

.map-load-dialog {
    max-width: 500px;
}

.map-load-list {
    max-height: 320px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.map-load-empty {
    text-align: center;
    color: var(--mg-text-muted, #b0a898);
    font-size: 0.9rem;
    padding: 2rem 0;
}

.map-load-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border: 1px solid var(--mg-border, #3a3530);
    border-radius: 8px;
    background: var(--mg-input-bg, #242018);
    color: var(--mg-text, #f0e8d8);
    cursor: pointer;
    text-align: left;
    width: 100%;
    font: inherit;
    transition: border-color 0.15s, background 0.15s;
}

.map-load-item:hover,
.map-load-item:focus-visible {
    border-color: var(--mg-accent, #c9a55a);
    background: rgba(201, 165, 90, 0.08);
    outline: none;
}

.map-load-thumb {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.map-load-thumb-placeholder {
    width: 64px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 165, 90, 0.1);
    border-radius: 4px;
    flex-shrink: 0;
    color: var(--mg-accent, #c9a55a);
    font-size: 1.2rem;
}

.map-load-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.map-load-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.map-load-meta {
    font-size: 0.75rem;
    color: var(--mg-text-muted, #b0a898);
}

.map-load-meta i {
    margin-right: 0.25rem;
}
