/* Import fonts */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Roboto:wght@400;500&display=swap');

/* CSS Variables for 90s theme */
:root {
    --primary-purple: #4A148C;
    --primary-teal: #00695C;
    --neon-pink: #FF1744;
    --neon-blue: #00E5FF;
    --dark-bg: #263238;
    --light-gray: #ECEFF1;
    --card-bg: #37474F;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-purple) 100%);
    color: var(--light-gray);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Add subtle CRT scanlines effect */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

.app-container {
    position: relative;
    z-index: 1;
}

/* Header Styles */
.header {
    background: var(--dark-bg);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    border-bottom: 2px solid var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.app-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
    letter-spacing: 2px;
}

.mode-toggle {
    display: flex;
    gap: 0.5rem;
}

.mode-btn {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    color: var(--light-gray);
    border: 2px solid var(--primary-teal);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.mode-btn.active {
    background: var(--primary-teal);
    box-shadow: 0 0 15px rgba(0, 105, 92, 0.5);
    color: white;
}

.mode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 105, 92, 0.7);
}

.tool-palette {
    display: flex;
    gap: 0.5rem;
}

.tool-btn {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 2px solid var(--primary-purple);
    border-radius: 8px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tool-btn.active {
    background: var(--primary-purple);
    box-shadow: 0 0 15px rgba(74, 20, 140, 0.5);
}

.tool-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--neon-pink);
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    height: calc(100vh - 100px);
    gap: 1rem;
    padding: 1rem;
}

/* Sidebar Styles */
.left-sidebar, .right-sidebar {
    background: var(--dark-bg);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--primary-teal);
    box-shadow: 0 0 20px rgba(0, 105, 92, 0.2);
    overflow-y: auto;
}

.reference-gallery h3, .right-sidebar h3 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.8rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
    text-align: center;
}

.gallery-search input {
    width: 100%;
    padding: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--primary-teal);
    border-radius: 6px;
    color: var(--light-gray);
    margin-bottom: 1rem;
}

.reference-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.reference-item {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.reference-item:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.reference-item.selected {
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 23, 68, 0.5);
}

.reference-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    image-rendering: pixelated;
}

.reference-title {
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.5rem;
    color: var(--light-gray);
}

.reference-subtitle {
    font-size: 0.7rem;
    color: var(--primary-teal);
}

.preview-window {
    border-top: 1px solid var(--primary-teal);
    padding-top: 1rem;
}

.preview-window img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    image-rendering: pixelated;
    display: none;
}

.preview-controls {
    margin-top: 0.5rem;
}

/* Canvas Area */
.canvas-area {
    background: var(--dark-bg);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--primary-purple);
    box-shadow: 0 0 20px rgba(74, 20, 140, 0.2);
    display: flex;
    flex-direction: column;
}

.canvas-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.zoom-controls button {
    width: 30px;
    height: 30px;
    background: var(--primary-purple);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

#zoom-level {
    color: var(--neon-blue);
    font-weight: bold;
    min-width: 30px;
    text-align: center;
}

.template-controls, .grid-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.canvas-container {
    position: relative;
    width: 512px;
    height: 512px;
    margin: 0 auto;
    border: 2px solid var(--neon-blue);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.4);
}

#main-canvas, #template-canvas, #grid-canvas {
    width: 100%;
    height: 100%;
}

/* Bottom Toolbar */
.bottom-toolbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--primary-purple);
}

.bottom-toolbar button {
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    color: var(--light-gray);
    border: 1px solid var(--primary-purple);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.bottom-toolbar button:hover {
    background: var(--primary-purple);
    box-shadow: 0 0 10px rgba(74, 20, 140, 0.5);
}

.progress-indicator {
    color: var(--neon-blue);
    font-size: 0.9rem;
}

/* Right Sidebar - Color and Tools */
.color-picker-section {
    margin-bottom: 2rem;
}

#color-picker {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 8px;
    margin-bottom: 1rem;
    cursor: pointer;
}

.palette-presets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.preset-palette {
    padding: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--primary-teal);
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.preset-palette:hover {
    background: var(--primary-teal);
    box-shadow: 0 0 10px rgba(0, 105, 92, 0.5);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    margin-bottom: 1rem;
}

.color-swatch {
    width: 100%;
    height: 30px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.color-swatch:hover {
    border-color: var(--neon-blue);
    transform: scale(1.1);
}

.color-row {
    display: flex;
    gap: 4px;
}

.brush-settings, .layer-management {
    margin-bottom: 2rem;
}

.brush-settings label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

#brush-size {
    flex: 1;
}

#brush-size-display {
    color: var(--neon-blue);
    font-weight: bold;
    min-width: 30px;
}

.layer-list {
    margin-bottom: 1rem;
}

.layer-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--card-bg);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    border: 2px solid transparent;
}

.layer-item.active {
    border-color: var(--neon-pink);
}

.layer-visibility {
    background: none;
    border: none;
    color: var(--light-gray);
    cursor: pointer;
    font-size: 1rem;
}

#add-layer {
    width: 100%;
    padding: 0.5rem;
    background: var(--primary-teal);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

#add-layer:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    
    .left-sidebar, .right-sidebar {
        max-height: 300px;
    }
    
    .app-title {
        font-size: 1rem;
    }
    
    .canvas-container {
        width: 100%;
        max-width: 512px;
        height: auto;
        aspect-ratio: 1;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 0.5rem;
        gap: 0.5rem;
    }
    
    .canvas-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .reference-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-palette {
        justify-content: center;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-teal);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
}