:root {
    --bg-dark: #121214;
    --bg-panel: rgba(30, 30, 35, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #909090;
    --accent-color: #6366f1;
    --accent-hover: #4f46e5;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --success-color: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.15), transparent 25%);
}

.app-container {
    display: grid;
    grid-template-columns: 300px 1fr 400px;
    height: 100vh;
    gap: 20px;
    padding: 20px;
}

.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Sidebar Styling */
.toolbar {
    overflow-y: auto;
}

.logo {
    margin-bottom: 30px;
    text-align: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(90deg, #6366f1, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.tool-section {
    margin-bottom: 25px;
}

.tool-section h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

button {
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.tool-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tool-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.tool-btn.danger:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

.color-picker-container input[type="color"] {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: none;
    cursor: pointer;
    margin-bottom: 10px;
}

.color-picker-container input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-container input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.color-swatch {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.1s;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-btn {
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 500;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

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

.action-btn.primary:hover {
    background: var(--accent-hover);
}

/* Editor Area Styling */
.editor-area {
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    /* Removed padding-top since header is no longer absolute */
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-shrink: 0;
    width: 100%;
}

.editor-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.editor-controls {
    display: flex;
    gap: 15px;
    font-size: 14px;
}

.canvas-container {
    flex: 1;
    width: 100%;
    min-height: 0; /* Important for flex children to allow shrinking */
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-wrapper {
    position: relative;
    margin: auto;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    cursor: crosshair;
}

.pixelated-canvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
    position: absolute;
    top: 0;
    left: 0;
}

#bg-canvas { z-index: 1; }
#skin-canvas { z-index: 2; }
.overlay-grid { z-index: 3; }
.overlay-guides { z-index: 4; }

.overlay-grid, .overlay-guides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 3D Preview Styling */
.preview-area {
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.preview-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.preview-controls {
    display: flex;
    gap: 10px;
}

.icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.icon-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
    overflow: hidden;
}

#skinview3d-canvas {
    width: 100% !important;
    height: 100% !important;
    outline: none;
}

.layer-controls {
    margin-top: auto;
}

.layer-controls h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.layer-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}