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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a;
    color: #fff;
    overflow: hidden;
}

/* Color Scale Legend (lower-right corner) */
.color-legend {
    position: absolute;
    bottom: 0px;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    padding: 0;
    margin: 0;
    z-index: 10;
    pointer-events: auto;
    backdrop-filter: blur(3px);
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Region Navigation Panel (upper-left corner) */
.region-navigation,
.region-navigation-upper-left {
    position: fixed;
    top: 0;
    left: 0;
    bottom: auto;
    right: auto;
    background: rgba(20, 40, 60, 0.85); /* Bluish background */
    padding: 12px;
    margin: 0;
    z-index: 10;
    pointer-events: auto;
    backdrop-filter: blur(3px);
    max-width: 400px;
    border-bottom-right-radius: 4px;
}

.region-nav-columns {
    display: flex;
    gap: 20px;
}

.region-nav-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 120px;
}

.region-nav-header {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 4px;
}

.region-nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.region-nav-item {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 12px;
    color: #ffffff;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    cursor: pointer;
    /* NO transition - instant feedback */
}

.region-nav-item:hover {
    background: rgba(255, 255, 255, 0.18); /* Instant brighter background, NO MOVEMENT */
}

/* Camera and Map Info Display (lower-left corner) */
.camera-map-info {
    position: fixed;
    bottom: 4px;
    left: 0;
    background: rgba(0, 0, 0, 0.85);
    padding: 8px 12px;
    margin: 0;
    z-index: 9;
    pointer-events: none;
    backdrop-filter: blur(3px);
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11px;
    line-height: 1.5;
    color: #ffffff;
    border-top-right-radius: 4px;
    min-width: 300px;
    max-width: 400px;
}

.camera-map-row {
    display: flex;
    gap: 8px;
    white-space: nowrap;
}

.camera-map-label {
    font-weight: 600;
    color: #aaaaaa;
    min-width: 110px;
}

.camera-map-info span:not(.camera-map-label) {
    color: #ffffff;
    font-weight: normal;
}

.color-legend-content {
    display: flex;
    gap: 0;
    align-items: stretch;
    padding: 0;
    margin: 0;
}

#color-legend-canvas {
    width: 16px;
    height: 160px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

#color-legend-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 10px;
    font-weight: 600;
    color: #ffffff;
    min-width: 35px;
}

.color-legend-label {
    display: flex;
    align-items: center;
    white-space: nowrap;
    line-height: 1;
}

.color-legend-title {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 9px;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    opacity: 1.0;
}

/* Mobile responsiveness for legend */
@media (max-width: 768px) {
    .color-legend {
        bottom: 100px;
        padding: 0;
    }

    #color-legend-canvas {
        width: 14px;
        height: 120px;
    }

    #color-legend-labels {
        font-size: 8px;
        min-width: 30px;
    }

    .color-legend-title {
        font-size: 7px;
    }
}

/* Neighbor Navigation Buttons (2D Overlay) */
.neighbor-btn {
    position: absolute;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.9);
    color: #ffffff;
    border: 2px solid;
    border-radius: 6px;
    font-family: Arial, sans-serif;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    pointer-events: auto;
    white-space: nowrap;
    transition: all 0.15s ease;
    user-select: none;
    transform: translate(-50%, 0);
    /* Center horizontally on anchor point */
}

.neighbor-btn:hover {
    background: rgba(40, 40, 40, 0.95);
    border-width: 3px;
    transform: translate(-50%, 0);
}

.neighbor-btn:active {
    transform: translate(-50%, 0);
}

/* Subtle contact label (upper-right) */
.contact-email {
    position: fixed;
    top: 8px;
    right: 12px;
    color: #ffffff;
    opacity: 0.12;
    font-size: 11px;
    font-family: 'Courier New', monospace;
    z-index: 1000;
    user-select: text;
    pointer-events: auto;
    transition: opacity 0.2s ease;
}

.contact-email:hover {
    opacity: 0.9;
}

#container {
    width: 100vw;
    height: 100vh;
    display: grid;
    grid-template-columns: 1fr 440px;
    grid-template-rows: 100%;
}

#canvas-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* Mobile UI toggle */
#mobile-ui-toggle {
    position: fixed;
    top: 50px;
    right: 20px;
    background: linear-gradient(135deg, #ffaa66, #ff8844);
    color: #000;
    border: none;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 11px;
    box-shadow: 0 4px 15px rgba(255, 136, 68, 0.3);
    z-index: 110;
    display: none;
    /* Hidden by default on desktop */
}

/* Collapsed controls state */
body.ui-collapsed #controls {
    display: none;
}

/* Show mobile toggle on tablets and phones */
@media (max-width: 1024px) {
    #mobile-ui-toggle {
        display: block;
        /* Show on mobile/tablet */
        top: 55px;
        right: 12px;
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* Make toggle especially prominent on small screens */
@media (max-width: 768px) {
    #controls {
        max-width: 86vw;
        right: 7vw;
        left: 7vw;
    }

    #mobile-ui-toggle {
        top: 60px;
        right: 12px;
        font-size: 13px;
        padding: 10px 16px;
    }
}

/* Controls Panel - full-height right column */
#controls {
    background: rgba(0, 0, 0, 0.92);
    padding: 20px;
    border-left: 2px solid #5588cc;
    overflow-y: auto;
    height: 100vh;
    max-width: 440px;
}

/* Activity log - prevent horizontal scroll, wrap text, clear font */
#activityLog {
    height: 110px;
    overflow-y: auto;
    overflow-x: hidden;
    background: #0b0b0b;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 6px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11px;
    line-height: 1.35;
    color: #fff;
    word-wrap: break-word;
    word-break: break-word;
    white-space: pre-wrap;
}

/* Small toolbar above logs */
.activityLogHeader {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin: 8px 0 6px 0;
}

.activityLogHeader .title {
    font-size: 13px;
    font-weight: 600;
}

.activityLogHeader .actions button {
    font-size: 11px;
    padding: 4px 8px;
}

#info {
    position: fixed;
    top: 10px;
    left: -8px;
    background: rgba(0, 0, 0, 0.92);
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #4488ff;
    backdrop-filter: blur(15px);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 13px;
    box-shadow: 0 4px 16px rgba(68, 136, 255, 0.15);
    width: 200px;
    cursor: move;
    user-select: none;
}

/* HUD Data Table - prevents jitter by using fixed layout */
#hud-data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    margin-bottom: 6px;
}

#hud-data-table td {
    padding: 2px 0;
    vertical-align: top;
}

#hud-data-table .hud-label {
    font-weight: 600;
    color: #ffffff;
    width: 70px;
    white-space: nowrap;
    font-size: 13px;
}

#hud-data-table .hud-value {
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: right;
    font-size: 13px;
    font-weight: 600;
}

/* HUD minimize/expand buttons */
#hud-minimize {
    position: absolute;
    top: 4px;
    right: 6px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
    line-height: 1;
    transition: background 0.2s;
}

#hud-minimize:hover {
    background: rgba(68, 136, 255, 0.3);
    color: #ffffff;
}

/* HUD config button - left-aligned, small word */
#hud-config {
    background: none;
    color: rgba(255, 255, 255, 0.5);
    border: none;
    font-size: 10px;
    padding: 0;
    cursor: pointer;
    font-weight: normal;
    margin: 0;
    margin-top: 6px;
    transition: color 0.2s;
    text-transform: lowercase;
    text-align: left;
    display: block;
}

#hud-config:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* HUD config panel */
#hud-config-panel {
    border-top: 1px solid #4488ff;
    padding-top: 12px;
    margin-top: 12px;
}

.hud-config-section {
    margin-bottom: 12px;
}

.hud-config-section:last-child {
    margin-bottom: 0;
}

.hud-config-header {
    font-weight: bold;
    color: #5599ff;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.hud-config-label {
    display: block;
    color: #cccccc;
    font-size: 11px;
    margin-bottom: 4px;
    cursor: pointer;
    padding: 2px 0;
}

.hud-config-label:hover {
    color: #ffffff;
}

.hud-config-label input {
    margin-right: 6px;
    cursor: pointer;
}

#hud-expand {
    position: absolute;
    top: 64px;
    left: 12px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #4488ff;
    color: #88bbff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    display: none;
    z-index: 111;
}

/* Loading Spinner */
#loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.95);
    padding: 40px 60px;
    border-radius: 15px;
    border: 3px solid #5588cc;
    font-size: 20px;
    z-index: 1000;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.8);
}

.spinner {
    margin-top: 15px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid #5588cc;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-left: auto;
    margin-right: auto;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Typography */
h2 {
    color: #5588cc;
    margin-bottom: 15px;
    margin-top: 20px;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h2:first-child {
    margin-top: 0;
}

/* Form Controls */
.control-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 7px;
    color: #bbb;
    font-size: 13px;
    font-weight: 500;
}

input[type="range"] {
    width: 100%;
    margin: 8px 0;
    height: 6px;
    background: #333;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #5588cc;
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid #0a0a0a;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #5588cc;
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid #0a0a0a;
}

input[type="number"] {
    width: 90px;
    padding: 8px;
    background: #1a1a1a;
    border: 1px solid #555;
    color: #fff;
    border-radius: 5px;
    font-size: 13px;
}

button {
    background: #5588cc;
    color: #ffffff;
    border: none;
    padding: 11px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    margin: 6px 6px 6px 0;
    font-size: 13px;
}

button:hover {
    background: #6699dd;
    color: #ffffff;
}

select {
    width: 100%;
    padding: 10px;
    background: #1a1a1a;
    border: 1px solid #555;
    color: #fff;
    border-radius: 5px;
    margin-top: 5px;
    font-size: 13px;
    cursor: pointer;
}

select:hover {
    border-color: #5588cc;
}

.value-display {
    display: inline-block;
    float: right;
    color: #5588cc;
    font-weight: bold;
    font-size: 14px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 2px 0;
}

input[type="checkbox"] {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: #5588cc;
}

/* Stats Display */
#stats {
    font-size: 12px;
    line-height: 1.8;
}

.stat-line {
    margin: 5px 0;
    padding: 3px 0;
}

.stat-label {
    color: #888;
    display: inline-block;
    min-width: 120px;
}

.stat-value {
    color: #5588cc;
    font-weight: bold;
}

/* Info Boxes */
.warning {
    background: rgba(255, 136, 68, 0.15);
    border: 1px solid #ff8844;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    font-size: 11px;
    color: #ffaa66;
}

.info-box {
    background: rgba(68, 136, 255, 0.15);
    border: 1px solid #4488ff;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    font-size: 11px;
    color: #88bbff;
}

.button-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.button-grid button {
    margin: 0;
    width: 100%;
}

/* FPS/Version moved into controls meta bar (no absolute positioning) */

/* Controls Help Window */
#controls-help-window {
    position: absolute;
    bottom: 150px;
    left: 20px;
    background: rgba(0, 0, 0, 0.92);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #ff8844;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(255, 136, 68, 0.15);
    max-width: 320px;
    display: none;
    z-index: 100;
}

#controls-help-window.open {
    display: block;
}

#controls-help-window h3 {
    color: #ff8844;
    margin: 0 0 10px 0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid #ff8844;
    padding-bottom: 8px;
}

.controls-content {
    font-size: 10px;
    line-height: 1.6;
    color: #999;
}

.controls-section {
    margin-bottom: 10px;
}

.controls-section-title {
    color: #ff8844;
    font-weight: bold;
    margin-bottom: 4px;
}

.controls-content b {
    color: #ffaa66;
}

#controls-help-toggle {
    position: absolute;
    bottom: 150px;
    left: 20px;
    background: #ff8844;
    color: #ffffff;
    border: none;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 12px;
    z-index: 101;
}

#controls-help-toggle:hover {
    background: #ffaa66;
    color: #ffffff;
}

.close-btn {
    float: right;
    background: none;
    border: none;
    color: #ff8844;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    margin: -5px -5px 0 0;
    width: 24px;
    height: 24px;
    line-height: 20px;
}

.close-btn:hover {
    color: #ffaa66;
    background: rgba(255, 136, 68, 0.2);
    border-radius: 4px;
}

/* Select2 dark theme overrides */
.select2-container--default .select2-selection--single {
    background-color: #1a1a1a;
    border: 1px solid #555;
    border-radius: 5px;
    height: 38px;
}

.select2-container--default .select2-selection--single:hover {
    border-color: #5588cc;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: #fff;
    line-height: 36px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-left: 10px;
    font-size: 12px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 36px;
}

.select2-dropdown {
    background-color: #1a1a1a;
    border: 1px solid #5588cc;
    border-radius: 5px;
    will-change: transform, opacity;
}

/* Performance optimization for dropdown scrolling */
.select2-results__options {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateZ(0);
    /* Force GPU acceleration */
    max-height: 400px;
    /* Show more items (was default ~200px) */
}

.select2-container--default .select2-search--dropdown .select2-search__field {
    background-color: #0a0a0a;
    border: 1px solid #555;
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
    /* Match dropdown option font size */
    padding: 4px 8px;
    /* Consistent padding with options */
}

.select2-container--default .select2-search--dropdown .select2-search__field:focus {
    border-color: #5588cc;
    outline: none;
}

.select2-container--default .select2-results__option {
    background-color: #1a1a1a;
    color: #fff;
    padding: 4px 10px;
    /* Reduced from 8px to 4px for closer spacing */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 12px;
    /* Smaller font size */
    line-height: 1.3;
    /* Tighter line height */
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: rgba(85, 136, 204, 0.3);
    color: #fff;
    transition: none;
    /* Disable transitions for better performance */
}

.select2-container--default .select2-results__option[aria-selected=true] {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-weight: bold;
}

.select2-container {
    width: 100% !important;
}

/* Optgroup styling for better visual separation */
.select2-results__group {
    color: #ff8844;
    font-weight: bold;
    padding: 4px 10px;
    /* Reduced from 6px to 4px for consistency */
    font-size: 10px;
    /* Slightly smaller */
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: #0a0a0a;
    line-height: 1.3;
    /* Match options line height */
}

/* Bucket size range annotations */
#bucketSizeRangeLabel {
    display: none;
}

/* Resolution Loading Overlay */
#resolution-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
    border-radius: 8px;
    backdrop-filter: blur(8px);
    pointer-events: none;
    /* Allow camera controls during recalculation */
}

#resolution-loading-overlay.active {
    display: flex;
}

#resolution-loading-overlay .loading-content {
    text-align: center;
    color: #5588cc;
}

#resolution-loading-overlay .loading-text {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 12px;
}

#resolution-loading-overlay .loading-spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #5588cc;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* Compact Resolution Scale */
.resolution-scale {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    position: relative;
    z-index: 11;
}

/* Resolution buttons should not be bold */
#resolutionMaxLabel,
#resolutionLessButton {
    font-weight: normal;
}

.resolution-scale-label {
    font-size: 11px;
    opacity: 0.8;
    user-select: none;
}

.resolution-scale-label.right {
    min-width: 34px;
    text-align: right;
}

.resolution-scale-track {
    position: relative;
    height: 10px;
    background: #262626;
    border: 1px solid #444;
    border-radius: 999px;
    cursor: pointer;
}

.resolution-scale-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0%;
    background: #5588cc;
    border-radius: 999px;
    pointer-events: none;
}

.resolution-scale-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #5588cc;
    border: 2px solid #0a0a0a;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(85, 136, 204, 0.4);
    pointer-events: none;
    /* dragging via track */
}

.resolution-scale-tag {
    position: absolute;
    top: -22px;
    transform: translateX(-50%);
    padding: 1px 4px;
    font-size: 11px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #444;
    border-radius: 3px;
    color: #fff;
    pointer-events: none;
    white-space: nowrap;
}

.resolution-scale-ticks {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -16px;
    height: 16px;
    pointer-events: none;
}

.resolution-scale-tick {
    position: absolute;
    transform: translateX(-50%);
    bottom: 0;
    text-align: center;
}

.resolution-scale-tick .line {
    width: 1px;
    height: 6px;
    background: #555;
    margin: 0 auto 2px auto;
}

.resolution-scale-tick .label {
    font-size: 9px;
    color: #aaa;
}

/* Region Navigation */
.region-nav-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid #444;
    border-radius: 6px;
    padding: 6px;
}

.region-nav-btn {
    flex-shrink: 0;
    background: #5588cc;
    border: none;
    border-radius: 5px;
    color: #ffffff;
    cursor: pointer;
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.region-nav-btn:hover:not(:disabled) {
    background: #6699dd;
    color: #ffffff;
}

.region-nav-btn:disabled {
    background: #333;
    color: #666;
    cursor: not-allowed;
    box-shadow: none;
}

.region-nav-btn .nav-arrow {
    font-size: 14px;
    font-weight: bold;
}

.region-nav-btn .nav-hint {
    font-size: 10px;
    opacity: 0.8;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.region-nav-current {
    flex: 1;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    padding: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Recently Opened Regions */
.recent-regions-header {
    font-size: 11px;
    color: #88bbff;
    margin-bottom: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.recent-regions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0px;
    margin-bottom: 0px;
    line-height: 1;
}

.recent-region-item,
.recent-region-btn {
    background: #1a2a3a;
    border: 1px solid #4477aa;
    border-radius: 2px;
    padding: 2px 6px;
    margin-right: 3px;
    margin-bottom: 3px;
    font-size: 11px;
    font-weight: normal;
    color: #ffffff;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.4;
}

.recent-region-item:hover,
.recent-region-btn:hover {
    background: #2a4a6a;
    border-color: #6699cc;
    color: #ffffff;
}

.recent-region-item.active,
.recent-region-btn.active {
    background: #2a4a6a;
    border-color: #6699cc;
    font-weight: 600;
    color: #ffffff;
}

/* Keyboard Controls Section */
#keyboard-controls-content {
    margin-bottom: 18px;
}

.keyboard-controls-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.keyboard-controls-row {
    display: flex;
    justify-content: center;
    gap: 4px;
}

.keyboard-btn {
    background: #444;
    color: #ffffff;
    border: 1px solid #5588cc;
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    font-size: 11px;
    font-weight: bold;
    user-select: none;
    min-width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.keyboard-btn:hover {
    background: #5588cc;
    color: #ffffff;
}

/* Region Dropdown Styles */
.region-dropdown-divider {
    margin: 6px 0;
    border-top: 1px solid rgba(85,136,204,0.35);
    opacity: 0.8;
}

.region-dropdown-header {
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 700;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: rgba(85,136,204,0.08);
    cursor: default;
    user-select: none;
}

.region-dropdown-item {
    padding: 8px 10px;
    cursor: pointer;
    font-size: 12px;
    border-bottom: 1px solid rgba(85,136,204,0.12);
}

/* Keyboard Shortcuts Overlay */
.shortcuts-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    animation: fadeIn 0.2s ease-out;
}

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

.shortcuts-modal {
    background: #1a1a1a;
    border: 2px solid #5588cc;
    border-radius: 12px;
    width: 85vw;
    max-width: 1600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(85, 136, 204, 0.3);
    animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(85, 136, 204, 0.3);
}

.shortcuts-header h2 {
    margin: 0;
    font-size: 24px;
    color: #5588cc;
}

.shortcuts-close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
}

.shortcuts-close:hover {
    background: #5588cc;
    color: #ffffff;
}

.shortcuts-content {
    padding: 24px;
}

.shortcuts-section {
    margin-bottom: 24px;
}

.shortcuts-section:last-child {
    margin-bottom: 0;
}

.shortcuts-section h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 8px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: rgba(85, 136, 204, 0.1);
    border-radius: 6px;
}

.shortcut-item kbd {
    background: #2a2a2a;
    border: 1px solid #5588cc;
    border-radius: 4px;
    padding: 4px 8px;
    font-family: 'Segoe UI', monospace;
    font-size: 12px;
    font-weight: 600;
    color: #5588cc;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.shortcut-item span {
    flex: 1;
    font-size: 13px;
    color: #cccccc;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .shortcuts-modal {
        max-width: 95%;
        max-height: 85vh;
    }

    .shortcuts-header {
        padding: 16px 20px;
    }

    .shortcuts-header h2 {
        font-size: 20px;
    }

    .shortcuts-content {
        padding: 20px;
    }

    .shortcuts-section h3 {
        font-size: 14px;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
    }

    .shortcut-item {
        padding: 6px;
    }

    .shortcut-item kbd {
        font-size: 11px;
        padding: 3px 6px;
    }

    .shortcut-item span {
        font-size: 12px;
    }
}