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

:root {
    --primary: #6c5ce7;
    --secondary: #a29bfe;
    --accent: #ff7675;
    --bg: #ffffff;
    --text: #2d3436;
    --border: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: var(--text);
}

.container {
    position: relative;
    max-width: 1920px;
    width: 100%;
    text-align: center;
}

.image-container {
    position: relative;
    display: inline-block;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.image-container:hover {
    transform: translateY(-5px);
}

.image-container img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

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

.controls {
    margin-top: 20px;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    max-width: 800px;
}

.controls label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-right: 10px;
    display: block;
    margin-bottom: 8px;
}

.controls input {
    padding: 8px 12px;
    font-size: 14px;
    width: 100px;
    border: 2px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.3s;
}

.controls input:focus {
    outline: none;
    border-color: var(--primary);
}

.controls textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 10px;
    padding: 8px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-family: monospace;
    resize: vertical;
}

.direction-buttons {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.direction-buttons button,
.controls button {
    padding: 10px 16px;
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: white;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px;
}

.direction-buttons button:hover,
.controls button:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.scene-buttons {
    margin: 15px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.scene-buttons button {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: white;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
}

.scene-buttons button:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.scene-buttons button.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
}

.scene-buttons button.super-rare {
    background: linear-gradient(135deg, #e84393 0%, #fd79a8 100%);
    color: white;
    border-color: #e84393;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.log-container {
    width: 100%;
    max-width: 700px;
    height: 150px;
    border: 2px solid var(--border);
    padding: 12px;
    margin: 15px 0;
    overflow-y: auto;
    background-color: #f9f9f9;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    text-align: left;
    border-radius: 8px;
}

.log-entry {
    margin-bottom: 5px;
    line-height: 1.4;
}

.log-entry .timestamp {
    color: var(--primary);
    margin-right: 10px;
    font-weight: 500;
}

.log-entry .message {
    color: var(--text);
}

.item-list {
    position: absolute;
    background: rgba(108, 92, 231, 0.85);
    border-radius: 8px;
    font-size: 12px;
    text-align: left;
    padding: 4px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    /* Create a new composite layer for better rendering performance */
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.item-list img {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    position: relative;
    margin: 2px;
}

.item-list .quantity {
    font-size: 8px;
    position: absolute;
    bottom: 0;
    right: 0;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    padding: 2px 4px;
    font-weight: bold;
    pointer-events: none;
}

details {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 2px solid var(--border);
}

summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
    padding: 8px;
    user-select: none;
}

summary:hover {
    background: #f0f0f0;
    border-radius: 6px;
}

.filter-button {
    padding: 10px 16px;
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: white;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px;
    width: 100%;
    margin-top: 15px;
}

.filter-button:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    width: 100%;
}

.action-buttons button {
    flex: 1;
    padding: 10px 16px;
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: white;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px;
}

.action-buttons button:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.filter-panel {
    display: none;
    margin-top: 15px;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: #f9f9f9;
    max-height: 400px;
    overflow-y: auto;
}

.filter-panel.active {
    display: block;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-option input[type="radio"] {
    cursor: pointer;
}

.filter-option label {
    cursor: pointer;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-checkbox-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    max-height: 200px;
    overflow-y: auto;
    padding: 10px;
    background: white;
    border-radius: 6px;
}

.item-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.item-checkbox label {
    cursor: pointer;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.item-checkbox img {
    width: 36px;
    height: 36px;
}

.item-preview {
    display: none;
    position: fixed;
    background: white;
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    pointer-events: none;
}

.item-preview.active {
    display: block;
}

.item-preview img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.item-preview-name {
    font-size: 12px;
    font-weight: 500;
    margin-top: 8px;
    text-align: center;
    color: var(--text);
}

.menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.menu-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(108, 92, 231, 0.4);
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 100vh;
    background: white;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    padding: 20px;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border);
}

.sidebar-header h2 {
    margin: 0;
    font-size: 18px;
    color: var(--text);
}

.sidebar-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.sidebar-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sidebar-content .scene-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-content .scene-buttons button {
    padding: 12px;
    text-align: left;
    font-size: 14px;
}

.sidebar-content .filter-button,
.sidebar-content .action-buttons {
    width: 100%;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 998;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.controls {
    display: none;
}

.drop-zone-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5000;
    transition: opacity 0.3s ease;
}

.drop-zone-backdrop.hidden {
    display: none;
}

.drop-zone {
    position: relative;
    background: white;
    border-radius: 12px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: none;
    transition: all 0.3s ease;
}

.drop-zone.drag-over {
    border: 2px solid var(--primary);
    background: rgba(108, 92, 231, 0.05);
    transform: scale(1.02);
}

.drop-zone-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.drop-zone-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.drop-zone-content {
    text-align: center;
    color: var(--text);
    pointer-events: none;
}

.drop-zone-content h2 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text);
}

.drop-zone-content .drop-hint {
    font-size: 16px;
    margin-bottom: 25px;
    opacity: 0.8;
    color: var(--text);
}

.drop-zone-content .drop-icon {
    font-size: 60px;
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.drop-zone-content .or-text {
    font-size: 13px;
    opacity: 0.6;
    margin: 15px 0;
    color: var(--text);
}

.drop-zone-content .file-input-button {
    margin-top: 15px;
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
}

.drop-zone-content .file-input-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(108, 92, 231, 0.3);
}

#hiddenFileInput {
    display: none;
}

.data-loaded-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #06c755 0%, #34c847 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.data-error-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff7675 0%, #ff4757 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(255, 70, 87, 0.3);
    animation: slideIn 0.4s ease;
}

.item-summary {
    margin-top: 20px;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    max-width: 1920px;
    width: 100%;
}

.item-summary h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-summary-content {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.item-summary-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.05) 0%, rgba(162, 155, 254, 0.05) 100%);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.item-summary-item:hover {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(162, 155, 254, 0.1) 100%);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.15);
}

.item-summary-item img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.item-summary-quantity {
    font-weight: 600;
    color: var(--primary);
    min-width: 30px;
    text-align: center;
}

.item-summary-empty {
    color: #999;
    font-style: italic;
    text-align: center;
    width: 100%;
    padding: 20px;
}