/* Light Theme Variables (Default) */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #16a34a;
    --success-hover: #15803d;
    --warning-color: #d97706;
    --warning-hover: #b45309;
    --bg-color: #f1f5f9;
    --bg-primary: #f1f5f9;
    --bg-secondary: #e8edf5;
    --bg-tertiary: #d4dce9;
    --card-bg: #e8edf5;
    --text-color: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #cbd5e1;
    --input-bg: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Dark Theme Variables (optional override) */
[data-theme="dark"] {
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
    --danger-color: #f87171;
    --danger-hover: #ef4444;
    --secondary-color: #94a3b8;
    --secondary-hover: #64748b;
    --success-color: #4ade80;
    --success-hover: #22c55e;
    --warning-color: #fbbf24;
    --warning-hover: #f59e0b;
    --bg-color: #0f172a;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --input-bg: #1e293b;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header/Navbar */
header {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 1rem 2rem;
    gap: 1rem;
}

.navbar-brand a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}

.navbar-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar-session {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    background-color: color-mix(in srgb, var(--primary-color) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--primary-color) 30%, transparent);
    border-radius: 6px;
    white-space: nowrap;
}

.navbar-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: flex-end;
}

#theme-toggle {
    padding: 0.4rem 0.8rem;
    font-size: 1.2rem;
    line-height: 1;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    cursor: pointer;
}

#theme-toggle:hover {
    background-color: var(--secondary-hover);
    transform: scale(1.05);
}

.theme-icon {
    display: inline-block;
}

.nav-link {
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    text-decoration: none;
}

.nav-link.active {
    background-color: color-mix(in srgb, var(--primary-color) 12%, transparent);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.nav-user {
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Main content */
main.container {
    flex: 1;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 1rem 2rem;
    text-align: center;
    color: var(--text-muted);
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
}

.page-header .actions {
    display: flex;
    gap: 0.5rem;
}

/* Breadcrumb */
.breadcrumb {
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--primary-color);
}

/* Navigation buttons */
.nav-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--success-hover);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: var(--warning-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Form elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-control[readonly] {
    opacity: 0.7;
}

textarea.form-control {
    resize: vertical;
    min-height: 60px;
}

select.form-control {
    cursor: pointer;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-control {
    flex: 1;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.colors-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.flags-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-color);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Tabulator customization */
#items-table {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tabulator {
    background-color: var(--bg-secondary);
    border: none;
    color: var(--text-color);
}

.tabulator .tabulator-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 600;
}

.tabulator .tabulator-header .tabulator-col {
    background-color: transparent;
    border-right: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
    color: var(--text-color);
}

.tabulator .tabulator-header .tabulator-col:hover {
    background-color: rgba(95, 23, 229, 0.2);
}

.tabulator .tabulator-header .tabulator-col.tabulator-sortable:hover {
    cursor: pointer;
}

.tabulator .tabulator-header .tabulator-col.tabulator-sortable .tabulator-col-content {
    position: relative;
}

.tabulator .tabulator-header .tabulator-col-content {
    padding: 0.75rem;
}

.tabulator .tabulator-header .tabulator-arrow {
    border-bottom-color: var(--primary-color);
}

.tabulator .tabulator-header .tabulator-col[aria-sort="asc"] .tabulator-arrow {
    border-bottom-color: var(--primary-color);
}

.tabulator .tabulator-header .tabulator-col[aria-sort="desc"] .tabulator-arrow {
    border-top-color: var(--primary-color);
}

.tabulator .tabulator-tableholder .tabulator-table .tabulator-row {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.tabulator .tabulator-tableholder .tabulator-table .tabulator-row:hover, 
.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-row-even:hover {
    background-color: color-mix(in srgb, var(--primary-color) 7%, transparent);
    cursor: pointer;
}

.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-selected,
.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-selected:hover,
.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-row-even.tabulator-selected,
.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-row-even.tabulator-selected:hover {
    background-color: color-mix(in srgb, var(--primary-color) 18%, transparent);
    border-left: 3px solid var(--primary-color);
}

.tabulator .tabulator-tableholder .tabulator-table .tabulator-row.tabulator-row-even {
    background-color: var(--bg-color);
}

.tabulator .tabulator-cell {
    border-right: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
}

.tabulator .tabulator-footer {
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
}

.tabulator .tabulator-footer .tabulator-page {
    color: var(--text-color);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.tabulator .tabulator-footer .tabulator-page:hover {
    background-color: var(--bg-tertiary);
}

.tabulator .tabulator-footer .tabulator-page.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.tabulator .tabulator-header-filter input {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.item-link {
    color: var(--primary-color);
}

.item-link:hover {
    text-decoration: underline;
}

/* Item sheet */
.item-sheet-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 2rem;
    align-items: start;
}

.item-sheet-left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: 80px;
}

@media (max-width: 1200px) {
    .item-sheet-layout {
        grid-template-columns: 1fr;
    }
    
    .item-sheet-left {
        position: static;
    }
}

/* Versions Panel */
.versions-panel {
    background: linear-gradient(135deg, #e0e7ff 0%, #dbeafe 100%);
    border: 2px solid #93c5fd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    padding: 1rem;
    margin-top: 1rem;
}

.versions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #cbd5e1;
}

.versions-header h3 {
    font-size: 1rem;
    color: #1e40af;
    margin: 0;
}

.versions-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
}

.versions-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.versions-loading, .no-versions {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    text-align: center;
    padding: 0.5rem;
}

.version-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 4px;
    border-left: 3px solid var(--primary-color);
    transition: background-color 0.2s;
}

.version-item:hover {
    background: rgba(37, 99, 235, 0.1);
}

.version-item.base-version {
    border-left-color: #28a745;
}

.version-item.is-current {
    background: rgba(40, 167, 69, 0.15);
}

.version-item.current-version-indicator {
    background: rgba(59, 130, 246, 0.15);
    border-left-color: #3b82f6;
    margin-bottom: 0.75rem;
}

.version-item.current-version-indicator:hover {
    background: rgba(59, 130, 246, 0.15);
    cursor: default;
}

.version-item.current-version-indicator .version-number {
    color: #60a5fa;
    font-size: 0.9rem;
}

.version-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.version-number {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-color);
}

.version-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.version-actions {
    display: flex;
    gap: 0.35rem;
}

.version-actions .btn {
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
}

/* Item Overview (Game-like panel) */
.item-overview {
    background: linear-gradient(135deg, #e0e7ff 0%, #dbeafe 100%);
    border: 2px solid #93c5fd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    padding: 1.25rem;
}

.item-overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #2e3a52;
    border-radius: 8px;
    min-height: 120px;
}

.item-overview-image .item-rendered-img {
    max-width: 100px;
    max-height: 140px;
    image-rendering: pixelated;
}

.item-overview-image .item-static-image {
    width: 100px;
    height: 120px;
}

.item-overview-image .item-static-image img {
    max-width: 100%;
    max-height: 100%;
}

.item-overview-image .item-icon-placeholder {
    width: 100px;
    height: 100px;
    font-size: 2rem;
}

.item-overview-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.overview-name {
    font-size: 1.25rem;
    font-weight: bold;
    color: #1e40af;
    text-align: center;
    margin-bottom: 0.5rem;
}

.overview-description {
    font-size: 0.875rem;
    color: #475569;
    font-style: italic;
    line-height: 1.5;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 4px;
}

.overview-description .read-more,
.overview-description .read-less {
    color: var(--primary-color);
    font-style: normal;
    font-size: 0.8rem;
    cursor: pointer;
    margin-left: 0.25rem;
}

.overview-description .read-more:hover,
.overview-description .read-less:hover {
    text-decoration: underline;
}

.overview-info {
    font-size: 0.875rem;
    color: var(--text-color);
}

.overview-info strong {
    color: #475569;
    font-weight: 600;
}

.overview-properties {
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid #cbd5e1;
}

.overview-properties-title {
    font-size: 0.875rem;
    color: #475569;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.overview-properties-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.overview-properties-list li {
    font-size: 0.8125rem;
    color: #1e40af;
    padding: 0.25rem 0.5rem;
    background-color: rgba(37, 99, 235, 0.08);
    border-radius: 3px;
    border-left: 2px solid #2563eb;
}

.item-sheet {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 3px solid transparent;
    transition: border-color 0.3s ease;
}

.item-sheet.has-unsaved-changes {
    border-color: #ff8c00;
}

.item-header {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.item-image {
    flex-shrink: 0;
}

.item-icon-placeholder {
    width: 80px;
    height: 80px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-muted);
}

.item-rendered-img {
    max-width: 80px;
    max-height: 100px;
    border-radius: 8px;
    image-rendering: pixelated;
}

.item-static-image {
    position: relative;
    width: 80px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-static-image img {
    max-width: 100%;
    max-height: 100%;
    image-rendering: pixelated;
    object-fit: contain;
}

.item-static-image.image-error::after {
    content: '?';
    font-size: 2rem;
    color: var(--text-muted);
}

/* Composite 3-layer item images (weapons, potions, boots, keys) */
.item-static-image.item-composite {
    position: relative;
    width: 80px;
    height: 100px;
}

.item-static-image.item-composite img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    image-rendering: pixelated;
}

.item-static-image.item-composite .layer-b {
    z-index: 1;
}

.item-static-image.item-composite .layer-m {
    z-index: 2;
}

.item-static-image.item-composite .layer-t {
    z-index: 3;
}

.item-title {
    flex: 1;
    min-width: 200px;
}

.item-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

.item-title h1 {
    font-size: 1.5rem;
    margin: 0;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    background: var(--bg-tertiary);
    color: var(--primary-color);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--primary-color);
    flex-shrink: 0;
}

.unsaved-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #1a1a2e;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    animation: pulse-unsaved 1.5s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    flex-shrink: 0;
}

@keyframes pulse-unsaved {
    0%, 100% { 
        opacity: 1;
        box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    }
    50% { 
        opacity: 0.85;
        box-shadow: 0 2px 16px rgba(245, 158, 11, 0.6);
    }
}

.lock-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    flex-shrink: 0;
}

.lock-warning {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    color: #dc2626;
}

.lock-warning p {
    margin: 0;
}

.item-filename {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.item-type {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
}

.item-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.item-details-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.item-details-left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.item-details-left > .details-section {
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(74, 144, 217, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.item-details-left > .details-section h2 {
    background: linear-gradient(90deg, var(--bg-tertiary) 0%, transparent 100%);
    margin: -0.75rem -1rem 0.75rem -1rem;
    padding: 0.75rem 1rem;
    border-radius: 6px 6px 0 0;
    border-bottom: 1px solid var(--primary-color);
}

.item-details-right {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (max-width: 1200px) {
    .item-details-columns {
        grid-template-columns: 1fr;
    }
}

/* Stats and Visual Appearance Grid */
.stats-visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 900px) {
    .stats-visual-grid {
        grid-template-columns: 1fr;
    }
}

.details-section {
    background-color: var(--bg-color);
    border-radius: 8px;
    padding: 1.25rem;
}

.details-section h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Properties list */
.properties-actions {
    margin-bottom: 1rem;
}

.properties-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.property-item {
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.property-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.property-summary:hover {
    background-color: var(--bg-tertiary);
}

.property-name {
    font-weight: 500;
}

.property-details {
    padding: 1rem;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.no-properties {
    color: var(--text-muted);
    font-style: italic;
    padding: 1rem;
    text-align: center;
}

/* Variables list */
.variables-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.variable-item {
    background-color: var(--bg-secondary);
    border-radius: 4px;
    padding: 0.5rem;
}

.variable-row {
    display: grid;
    grid-template-columns: 1fr 100px 1fr auto;
    gap: 0.5rem;
    align-items: center;
}

.no-variables {
    color: var(--text-muted);
    font-style: italic;
    padding: 1rem;
    text-align: center;
}

/* Compact form styles */
.form-group {
    margin-bottom: 0.5rem;
}

.form-group label {
    margin-bottom: 0.15rem;
    font-size: 0.8rem;
}

.form-control {
    padding: 0.35rem 0.5rem;
    font-size: 0.85rem;
}

.details-section {
    padding: 0.75rem 1rem;
}

.details-section h2 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
}

.form-grid {
    gap: 0.5rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.warning {
    color: var(--danger-color);
    font-weight: 500;
}

/* Error page */
.error-page {
    text-align: center;
    padding: 4rem 2rem;
}

.error-page h1 {
    font-size: 6rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.error-page p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ==================== Visual Appearance Editor ==================== */

/* Clickable preview in the Visual Appearance section */
.visual-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.appearance-preview {
    background: #2e3a52;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.appearance-preview:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.2);
    transform: translateY(-2px);
}

.appearance-preview-image {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.appearance-preview-image img {
    max-width: 80px;
    max-height: 100px;
    image-rendering: pixelated;
}

.appearance-preview-image .item-composite-preview {
    position: relative;
    width: 80px;
    height: 100px;
}

.appearance-preview-image .item-composite-preview img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.appearance-preview-image .item-composite-preview .layer-b { z-index: 1; }
.appearance-preview-image .item-composite-preview .layer-m { z-index: 2; }
.appearance-preview-image .item-composite-preview .layer-t { z-index: 3; }

.appearance-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-muted);
}

.appearance-placeholder span {
    font-size: 2rem;
}

.appearance-placeholder small {
    font-size: 0.7rem;
}

.appearance-preview-info {
    text-align: center;
}

.model-type-badge {
    font-size: 0.7rem;
    background: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--text-muted);
    text-transform: capitalize;
}

/* Appearance Modal - Wide version */
.appearance-modal .modal-content-wide {
    max-width: 900px;
    width: 95%;
}

.appearance-modal-body {
    max-height: 75vh;
    overflow-y: auto;
}

.appearance-editor-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

/* When preview panel is hidden, make controls take full width and center */
.appearance-editor-layout:has(.appearance-preview-panel[style*="display: none"]) {
    grid-template-columns: 1fr;
    justify-items: center;
}

.appearance-editor-layout:has(.appearance-preview-panel[style*="display: none"]) .appearance-controls-panel {
    max-width: 600px;
    width: 100%;
}

@media (max-width: 768px) {
    .appearance-editor-layout {
        grid-template-columns: 1fr;
    }
}

/* Preview Panel */
.appearance-preview-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.appearance-preview-panel h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.appearance-live-preview {
    width: 150px;
    height: 180px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.appearance-live-preview img {
    max-width: 140px;
    max-height: 170px;
    image-rendering: pixelated;
}

.preview-loading {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

.preview-controls {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
}

.preview-controls label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Controls Panel */
.appearance-controls-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.appearance-section {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.appearance-section h3 {
    font-size: 0.95rem;
    color: var(--primary-color);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Model Parts Grid */
.model-parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

/* Armor Parts Grid */
.armor-parts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 700px) {
    .armor-parts-grid {
        grid-template-columns: 1fr;
    }
}

.armor-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.armor-column h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 0.25rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.armor-column .form-group {
    margin-bottom: 0;
}

.armor-column .form-group label {
    font-size: 0.75rem;
}

.armor-column .form-control {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* Model Selector Grid - NWN Toolset style */
.model-selector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

#current-model-num {
    font-weight: bold;
    color: var(--primary-color);
}

.model-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.model-selector-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-style: italic;
}

.model-selector-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.model-selector-item:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.model-selector-item.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.2);
}

.model-selector-item img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    image-rendering: pixelated;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.model-selector-item .model-name {
    margin-top: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    word-break: break-all;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-selector-item.selected .model-name {
    color: var(--primary-color);
    font-weight: bold;
}

/* Composite Model Selector - 3 layer items */
.composite-parts-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.composite-part-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.composite-part-row > label {
    width: 60px;
    font-weight: bold;
    color: var(--text-muted);
}

.composite-part-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.btn-nav {
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.15s ease;
}

.btn-nav:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-nav:active {
    transform: scale(0.95);
}

/* Large navigation button for composite editor */
.btn-nav-large {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.15s ease;
}

.btn-nav-large:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-nav-large:active {
    transform: scale(0.95);
}

/* Unified Composite Editor */
.composite-unified-editor {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    width: 100%;
}

.composite-central-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin: 0 auto;
}

.composite-layer-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 200px;
}

.composite-layer-control .layer-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    min-width: 100px;
    text-align: center;
}

.composite-layer-control .layer-label strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Big stacked preview for composite items */
.composite-stacked-preview {
    position: relative;
    width: 256px;
    height: 256px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.composite-stack-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

/* Z-index for proper layering: bottom behind, top in front */
#composite-layer-bottom { z-index: 1; }
#composite-layer-middle { z-index: 2; }
#composite-layer-top { z-index: 3; }

.composite-part-preview {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.composite-part-preview img {
    width: 128px;
    height: 128px;
    object-fit: contain;
    image-rendering: pixelated;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.composite-part-preview span {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* Composite Preview Stack - layered item preview */
.composite-preview-stack {
    position: relative;
    width: 192px;
    height: 192px;
    margin: 0 auto;
}

.composite-preview-stack .composite-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

.composite-preview-stack .composite-layer:nth-child(1) { z-index: 1; }  /* bottom */
.composite-preview-stack .composite-layer:nth-child(2) { z-index: 2; }  /* middle */
.composite-preview-stack .composite-layer:nth-child(3) { z-index: 3; }  /* top */

/* Wider modal for model selector */
.appearance-modal .modal-content-wide {
    max-width: 1000px;
}

/* Color Palette Grid */
.color-palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}

.color-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.color-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.color-picker-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-input {
    width: 60px;
    padding: 0.25rem 0.4rem;
    font-size: 0.85rem;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
    background: linear-gradient(135deg, #888 25%, #666 25%, #666 50%, #888 50%, #888 75%, #666 75%);
    background-size: 8px 8px;
}

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

/* Color Swatch backgrounds by material type */
.color-swatch[data-material="metal"] {
    background: linear-gradient(135deg, #a0a0a0, #606060);
}

.color-swatch[data-material="cloth"] {
    background: linear-gradient(135deg, #8b4513, #654321);
}

.color-swatch[data-material="leather"] {
    background: linear-gradient(135deg, #d2691e, #8b4513);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    main.container {
        padding: 1rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .item-header {
        flex-direction: column;
    }

    .item-actions {
        width: 100%;
    }

    .item-actions .btn {
        flex: 1;
    }
}

/* JSON Editor Panel */
.json-editor-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.json-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.json-editor-header:hover {
    background: var(--bg-secondary);
}

.json-editor-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.json-editor-header .toggle-icon {
    font-size: 0.8rem;
    transition: transform 0.2s;
}

.json-editor-header .toggle-icon.expanded {
    transform: rotate(90deg);
}

.json-editor-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.json-editor-panel {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.json-editor-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.json-editor-textarea {
    width: 100%;
    min-height: 800px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    padding: 1rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
    tab-size: 2;
}

.json-editor-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.json-editor-error {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid #dc2626;
    border-radius: 4px;
    color: #b91c1c;
    font-size: 0.9rem;
}

/* Creature Item Notice */
.creature-item-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    background: var(--bg-tertiary);
    border-radius: 8px;
    min-height: 200px;
}

.creature-item-notice p {
    margin: 0;
    line-height: 1.6;
}