/* Modern Dark Theme Sprite Animator - IMPROVED LAYOUT */
:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d30;
    --bg-tertiary: #3e3e42;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-blue: #007acc;
    --accent-green: #16a085;
    --accent-orange: #f39c12;
    --accent-red: #e74c3c;
    --border-color: #464647;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    height: 100vh;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    grid-template-columns: 1fr;
}

/* Main Layout - Different for each tab */
.main-layout {
    display: grid;
    gap: 15px;
    padding: 15px;
    overflow: hidden;
    height: calc(100vh - 160px); /* Account for header and tabs */
    max-height: calc(100vh - 160px);
}

/* Sprite Tab Layout: Browser left, Canvas center, Controls right */
#sprite-tab .main-layout {
    grid-template-columns: 280px 1fr 320px;
    grid-template-rows: 1fr;
}

/* Audio Tab Layout: Browser left, Player center, Controls right */
#audio-tab .main-layout {
    grid-template-columns: 300px 1fr 280px;
    grid-template-rows: 1fr;
}

/* Sprite Display - Center, square */
.sprite-display {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 15px;
    box-shadow: var(--shadow);
    overflow: auto;
    min-height: 700px;
    aspect-ratio: 1;
}

#spriteCanvas {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: #000000;
    box-shadow: var(--shadow);
    display: block;
    width: 700px;
    height: 700px;
    max-width: 100%;
    max-height: 100%;
    cursor: crosshair;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading {
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-primary);
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 16px;
    box-shadow: var(--shadow);
}

.error-message {
    background: rgba(231, 76, 60, 0.95);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 14px;
    max-width: 350px;
    text-align: center;
    box-shadow: var(--shadow);
}

/* Controls Panel - RIGHT - Improved height management */
.controls-panel {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 15px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    max-height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.controls-panel > div {
    flex-shrink: 0; /* Prevent important controls from shrinking */
}

.controls-panel .sprite-grid {
    flex: 1; /* Allow sprite grid to grow and scroll */
    min-height: 200px;
    max-height: none; /* Remove max-height constraint, let flex handle it */
    overflow-y: auto;
    overflow-x: hidden;
}

/* Compact styles for space efficiency */
.info-inline {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-size: 11px;
    margin-top: 6px;
    color: var(--text-secondary);
}

.info-row span {
    flex: 1;
    text-align: center;
}

.compact-slider {
    height: 4px;
    margin: 4px 0;
}

.compact-slider::-webkit-slider-thumb {
    width: 14px;
    height: 14px;
}

.compact-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
}

/* Control Groups - Better spacing */
.control-group {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
}

.control-group.compact {
    padding: 10px;
}

.control-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Form Controls */
.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-primary);
    outline: none;
    margin: 8px 0;
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-webkit-slider-thumb:hover {
    background: #1e88e5;
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Buttons - Refined */
.btn {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    min-width: 60px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-blue);
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.btn-primary:hover {
    background: #1e88e5;
    border-color: #1e88e5;
}

.btn-success {
    background: var(--accent-green);
    color: white;
    border-color: var(--accent-green);
}

.btn-success:hover {
    background: #138d75;
    border-color: #138d75;
}

.btn-warning {
    background: var(--accent-orange);
    color: white;
    border-color: var(--accent-orange);
}

.btn-warning:hover {
    background: #e67e22;
    border-color: #e67e22;
}

.btn-danger {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

.btn-danger:hover {
    background: #c0392b;
    border-color: #c0392b;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
    min-width: 40px;
}

.btn-xs {
    padding: 2px 6px;
    font-size: 10px;
    min-width: 30px;
}

/* Specific Control Layouts */
.zoom-controls.compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.zoom-presets {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
    justify-content: center;
}

.animation-controls {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.animation-controls input[type="range"] {
    flex: 1;
    min-width: 80px;
}

.frame-controls.compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 6px;
}

.frame-input {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.frame-input label {
    font-size: 10px;
    margin: 0;
    text-transform: none;
    font-weight: 500;
    text-align: center;
}

.frame-input span {
    font-weight: 600;
    color: var(--accent-blue);
}

.color-controls.compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.color-control.compact {
    display: grid;
    grid-template-columns: 30px 1fr 35px;
    gap: 6px;
    align-items: center;
}

.color-control.compact label {
    font-size: 10px;
    margin: 0;
    text-transform: none;
    font-weight: 500;
    text-align: center;
}

.color-control.compact span {
    font-weight: 600;
    color: var(--accent-blue);
    text-align: center;
    font-size: 10px;
    background: var(--bg-primary);
    padding: 1px 3px;
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

/* File Selection */
.file-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-input-wrapper {
    display: flex;
    gap: 8px;
}

.file-input-wrapper select {
    flex: 1;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
}

/* BLO File Selector - Limit height and add scrolling */
#bloFileSelector {
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}

#bloFileSelector:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

/* Sprite Selector styling */
#spriteSelector {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}

#spriteSelector:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

.file-input-wrapper select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

/* Info Display */
.info-section {
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 12px;
    border: 1px solid var(--border-color);
    font-size: 12px;
    line-height: 1.4;
}

.info-section p {
    margin: 4px 0;
}

.info-section strong {
    color: var(--accent-blue);
    font-weight: 600;
}

/* File Loading Controls in Right Panel */
.file-loading-controls {
    display: flex;
    gap: 6px;
    margin-top: 4px;
}

.file-loading-controls button {
    flex: 1;
    padding: 4px 8px;
    font-size: 11px;
    min-width: auto;
    white-space: nowrap;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.tab-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 24px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-button.active {
    background: var(--bg-primary);
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Tab Content */
.tab-content {
    display: none;
    height: 100%;
}

.tab-content.active {
    display: block;
}

/* Sprite Browser - LEFT panel scrolling */
.sprite-browser {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    max-height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.sprite-tree-view {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    padding: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
    min-height: 0; /* Allow flex shrinking */
}

.sprite-tree-view::-webkit-scrollbar {
    width: 8px;
}

.sprite-tree-view::-webkit-scrollbar-track {
    background: transparent;
}

.sprite-tree-view::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.sprite-tree-view::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Tree View Items */
.tree-blo-file {
    margin-bottom: 4px;
}

.tree-blo-header {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid transparent;
}

.tree-blo-header:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
}

.tree-blo-header .expand-icon {
    margin-right: 6px;
    transition: transform 0.2s ease;
    color: var(--accent-blue);
}

.tree-blo-header.expanded .expand-icon {
    transform: rotate(90deg);
}

/* Tree view sprite containers with better scrolling */
.tree-blo-sprites {
    display: none;
    padding: 4px;
    margin-top: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.tree-blo-sprites::-webkit-scrollbar {
    width: 6px;
}

.tree-blo-sprites::-webkit-scrollbar-track {
    background: transparent;
}

.tree-blo-sprites::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.tree-blo-sprites.expanded {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 3px;
}

/* BLO File List in Left Panel */
.blo-type-header {
    font-weight: 600;
    color: var(--accent-blue);
    padding: 8px 12px;
    background: rgba(0, 122, 204, 0.1);
    border-radius: 4px;
    margin: 8px 0 4px 0;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blo-file-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 12px;
}

.blo-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 13px;
}

.blo-file-item:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    transform: translateX(2px);
}

.blo-file-item.active {
    background: rgba(0, 122, 204, 0.2);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 1px var(--accent-blue);
}

.blo-file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.sprite-count {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.blo-file-item.active .sprite-count {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Audio Browser - Left Panel */
.audio-browser {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 15px;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    max-height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Audio Controls */
.audio-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.audio-search {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
}

.audio-search:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

.audio-summary {
    font-size: 10px;
    color: var(--text-secondary);
    text-align: center;
    padding: 4px;
}

.audio-tree-view {
    height: calc(100vh - 280px);
    min-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    padding: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.audio-tree-view::-webkit-scrollbar {
    width: 8px;
}

.audio-tree-view::-webkit-scrollbar-track {
    background: transparent;
}

.audio-tree-view::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.audio-tree-view::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

.audio-tree-view .tree-blo-header {
    background: var(--bg-tertiary);
    margin-bottom: 2px;
}

.audio-tree-view .tree-blo-audio {
    display: none;
    padding-left: 16px;
    margin-top: 4px;
}

.audio-tree-view .tree-blo-audio.expanded {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.audio-file-item {
    padding: 6px 10px;
    font-size: 11px;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    word-break: break-word;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.audio-file-item:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    transform: translateX(2px);
}

.audio-file-item.active {
    background: rgba(0, 122, 204, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 600;
}

.audio-file-item .file-size {
    font-size: 9px;
    color: var(--text-secondary);
}

/* Audio Center Panel */
.audio-center {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.audio-player-advanced {
    width: 100%;
    max-width: 600px;
}

.current-track-info {
    text-align: center;
    margin-bottom: 20px;
}

.current-track-info h3 {
    color: var(--accent-blue);
    font-size: 18px;
    margin-bottom: 8px;
}

.waveform-container {
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    overflow: hidden;
}

#waveformCanvas {
    width: 100%;
    height: 100px;
    display: block;
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
}

.time-display {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-secondary);
    margin-left: 20px;
}

/* Audio Controls Panel */
.audio-controls-panel {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 15px;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    max-height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.audio-metadata {
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 10px;
    border: 1px solid var(--border-color);
    font-size: 11px;
}

.audio-metadata div {
    margin: 4px 0;
    display: flex;
    justify-content: space-between;
}

.audio-metadata span {
    color: var(--accent-blue);
    font-weight: 600;
}

.playlist-controls {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 10px;
}

/* Sprite Grid - Compact Dense Layout with better scrolling */
.sprite-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 3px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 3px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
    min-height: 0; /* Allow flex shrinking */
}

.sprite-grid::-webkit-scrollbar {
    width: 8px;
}

.sprite-grid::-webkit-scrollbar-track {
    background: transparent;
}

.sprite-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.sprite-grid::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

.sprite-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 4px;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 70px;
    max-height: 70px;
    position: relative;
    overflow: hidden;
}

.sprite-grid-item:hover {
    border-color: var(--accent-blue);
    background: var(--bg-secondary);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.sprite-grid-item.selected {
    border-color: var(--accent-blue);
    background: rgba(0, 122, 204, 0.3);
    box-shadow: 0 0 0 2px var(--accent-blue);
}

.sprite-grid-item.empty {
    color: var(--text-secondary);
    font-style: italic;
    justify-content: center;
    grid-column: 1 / -1;
    border-style: dashed;
    min-height: 40px;
}

/* Full-size sprite thumbnails that fill the container */
.sprite-thumbnail-full {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 4px;
    background: var(--bg-primary);
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
}

/* Overlay text for sprite names */
.sprite-name-overlay {
    position: absolute;
    bottom: 2px;
    left: 2px;
    right: 2px;
    font-size: 8px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
    padding: 2px 3px;
    border-radius: 2px;
    text-align: center;
    line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(1px);
    pointer-events: none; /* Don't interfere with clicks */
}

/* Hide overlay on hover to see sprite clearly */
.sprite-grid-item:hover .sprite-name-overlay {
    opacity: 0.3;
    transition: opacity 0.2s ease;
}

/* Show overlay clearly when selected */
.sprite-grid-item.selected .sprite-name-overlay {
    background: linear-gradient(to top, rgba(0, 122, 204, 0.9), rgba(0, 122, 204, 0.5));
    color: #ffffff;
}

/* Keep original smaller thumbnails for compatibility */
.sprite-thumbnail {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    background: var(--bg-primary);
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    margin-bottom: 2px;
    flex-shrink: 0;
}

.sprite-label {
    font-size: 9px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1px;
    line-height: 1.1;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sprite-info-text {
    font-size: 7px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.0;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Audio File List - Much taller */
.audio-file-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 500px;
    overflow-y: auto;
    margin-bottom: 8px;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
}

.audio-file-item {
    padding: 6px 8px;
    font-size: 11px;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    word-break: break-word;
}

.audio-file-item:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    transform: translateX(2px);
}

.audio-file-item.active {
    background: rgba(0, 122, 204, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 600;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--accent-blue);
}

/* File Categories */
.file-categories {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    justify-content: center;
}

.category {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.category.graphics {
    background: rgba(22, 160, 133, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.category.sounds {
    background: rgba(243, 156, 18, 0.2);
    color: var(--accent-orange);
    border: 1px solid var(--accent-orange);
}

.category.hybrid {
    background: rgba(231, 76, 60, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.category.all {
    background: rgba(0, 122, 204, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

/* Filter button functionality */
.filter-btn {
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.filter-btn.active {
    background: var(--accent-blue) !important;
    color: white !important;
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.3);
}



.audio-controls {
    background: var(--bg-primary);
    border-radius: 6px;
    padding: 10px;
    border: 1px solid var(--border-color);
}

.volume-control {
    margin: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.volume-control label {
    font-size: 10px;
    margin: 0;
    text-transform: none;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.volume-control span {
    font-weight: 600;
    color: var(--accent-blue);
}

.audio-info {
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* Status Bar */
.status-bar {
    background: var(--bg-secondary);
    padding: 8px 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.hotkeys-info {
    color: var(--text-secondary);
    font-size: 11px;
    font-family: monospace;
}

/* Hidden element */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 1fr 320px;
        gap: 15px;
        padding: 15px;
    }
    
    .controls-panel {
        padding: 15px;
    }
    
    #spriteCanvas {
        width: 400px;
        height: 400px;
        max-width: 400px;
        max-height: 400px;
    }
}

@media (max-width: 900px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 15px;
    }
    
    .controls-panel {
        max-height: 200px;
        overflow-y: auto;
        order: 2;
    }
    
    .content-area {
        order: 1;
    }
    
    #spriteCanvas {
        width: 350px;
        height: 350px;
        max-width: 350px;
        max-height: 350px;
    }
}

/* Scrollbar Styling */
.controls-panel::-webkit-scrollbar {
    width: 6px;
}

.controls-panel::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 3px;
}

.controls-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.controls-panel::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Add scrollbars for left side panels */
.sprite-browser::-webkit-scrollbar,
.audio-browser::-webkit-scrollbar {
    width: 6px;
}

.sprite-browser::-webkit-scrollbar-track,
.audio-browser::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 3px;
}

.sprite-browser::-webkit-scrollbar-thumb,
.audio-browser::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sprite-browser::-webkit-scrollbar-thumb:hover,
.audio-browser::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Add scrollbars for audio controls panel */
.audio-controls-panel::-webkit-scrollbar {
    width: 6px;
}

.audio-controls-panel::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 3px;
}

.audio-controls-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.audio-controls-panel::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

 

/* Enhanced file status with memory indicators */
.file-status {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 500;
    position: relative;
}

.file-status.unloaded {
    background: rgba(100, 100, 100, 0.3);
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.file-status.loading {
    background: rgba(255, 193, 7, 0.3);
    color: #ffc107;
    animation: pulse 1.5s ease-in-out infinite alternate;
    border: 1px solid #ffc107;
}

.file-status.loaded {
    background: rgba(40, 167, 69, 0.3);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.5);
}

.file-status.error {
    background: rgba(220, 53, 69, 0.3);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.5);
}

/* Memory indicator for recently loaded files */
.file-status.loaded:before {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 6px;
    height: 6px;
    background: #28a745;
    border-radius: 50%;
    border: 1px solid var(--bg-primary);
}

.blo-file-item.loading {
    opacity: 0.7;
    pointer-events: none;
}

.blo-file-item.active .file-status.loaded {
    background: rgba(0, 122, 204, 0.3);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.blo-file-item.active .file-status.loaded:before {
    background: var(--accent-blue);
}

@keyframes pulse {
    from {
        opacity: 0.6;
    }
    to {
        opacity: 1;
    }
} 

/* Sprite Controls */
.sprite-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.sprite-search {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
}

.sprite-search:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

.tree-controls {
    display: flex;
    gap: 4px;
}