/* Base styles - minimal, sans-serif, centered */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Theme variables */
:root {
    --bg-primary: #fafafa;
    --bg-secondary: #fff;
    --bg-tertiary: #f5f5f5;
    --bg-hover: #eee;
    --bg-nested: #f9f9f9;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #888;
    --text-heading: #555;
    --border-primary: #ddd;
    --border-secondary: #eee;
    --border-input: #ccc;
    --accent-green: #4a9d4a;
    --accent-green-hover: #3d8a3d;
    --accent-blue: #0066cc;
    --accent-red: #c44;
    --error-bg: #fee;
    --error-border: #fcc;
    --error-text: #c00;
    --success-bg: #e8f4e8;
    --success-border: #b8d4b8;
    --button-secondary: #e0e0e0;
    --button-secondary-hover: #d0d0d0;
    --code-bg: #fff;
    --lightbox-bg: rgba(0, 0, 0, 0.8);
    --lightbox-caption: rgba(0, 0, 0, 0.7);
    --shadow-lightbox: rgba(0, 0, 0, 0.5);
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2a2a2a;
    --bg-hover: #333;
    --bg-nested: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #aaa;
    --text-muted: #888;
    --text-heading: #bbb;
    --border-primary: #444;
    --border-secondary: #333;
    --border-input: #555;
    --accent-green: #5ab85a;
    --accent-green-hover: #4da34d;
    --accent-blue: #4d9fff;
    --accent-red: #d66;
    --error-bg: #3a2020;
    --error-border: #5a3030;
    --error-text: #f88;
    --success-bg: #1a2e1a;
    --success-border: #2a4a2a;
    --button-secondary: #3a3a3a;
    --button-secondary-hover: #444;
    --code-bg: #2a2a2a;
    --lightbox-bg: rgba(0, 0, 0, 0.9);
    --lightbox-caption: rgba(0, 0, 0, 0.85);
    --shadow-lightbox: rgba(0, 0, 0, 0.7);
}

/* Auto dark mode based on system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #1a1a1a;
        --bg-secondary: #242424;
        --bg-tertiary: #2a2a2a;
        --bg-hover: #333;
        --bg-nested: #2a2a2a;
        --text-primary: #e0e0e0;
        --text-secondary: #aaa;
        --text-muted: #888;
        --text-heading: #bbb;
        --border-primary: #444;
        --border-secondary: #333;
        --border-input: #555;
        --accent-green: #5ab85a;
        --accent-green-hover: #4da34d;
        --accent-blue: #4d9fff;
        --accent-red: #d66;
        --error-bg: #3a2020;
        --error-border: #5a3030;
        --error-text: #f88;
        --success-bg: #1a2e1a;
        --success-border: #2a4a2a;
        --button-secondary: #3a3a3a;
        --button-secondary-hover: #444;
        --code-bg: #2a2a2a;
        --lightbox-bg: rgba(0, 0, 0, 0.9);
        --lightbox-caption: rgba(0, 0, 0, 0.85);
        --shadow-lightbox: rgba(0, 0, 0, 0.7);
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color 0.3s, color 0.3s;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-primary);
    position: relative;
}

header h1 {
    margin-bottom: 8px;
    font-size: 1.8em;
}

header p {
    color: var(--text-secondary);
}

/* Theme toggle button */
.theme-toggle {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1.2em;
    line-height: 1;
    transition: background-color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    background: var(--bg-hover);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
    transition: filter 0.3s;
}

/* Show sun icon in dark mode (to switch to light) */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: inline;
    filter: invert(1);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* Show moon icon in light mode (to switch to dark) */
:root:not([data-theme="dark"]) .theme-toggle .icon-sun {
    display: none;
}

:root:not([data-theme="dark"]) .theme-toggle .icon-moon {
    display: inline;
}

/* Handle auto mode with system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun {
        display: inline;
        filter: invert(1);
    }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon {
        display: none;
    }
}

/* Loading and error states */
#loading, #error {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

#error {
    color: var(--error-text);
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: 4px;
}

/* Accordion sections */
.config-section {
    margin-bottom: 12px;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    background: var(--bg-secondary);
}

.config-header {
    padding: 12px 15px;
    background: var(--bg-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 4px;
}

.config-header:hover {
    background: var(--bg-hover);
}

.config-header .info {
    flex: 1;
}

.config-header h2 {
    font-size: 1.1em;
    margin-bottom: 2px;
}

.config-header .description {
    font-size: 0.85em;
    color: var(--text-secondary);
    display: none;
}

.config-section.open .config-header .description {
    display: block;
}

.config-header .toggle {
    font-size: 1.4em;
    color: var(--text-muted);
    font-weight: bold;
    width: 24px;
    text-align: center;
}

.config-header .section-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
    transition: filter 0.3s;
}

/* Invert black icons to white in dark mode */
[data-theme="dark"] .config-header .section-icon {
    filter: invert(1);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .config-header .section-icon {
        filter: invert(1);
    }
}

.config-content {
    display: none;
    padding: 15px;
    border-top: 1px solid var(--border-secondary);
}

.config-content.open {
    display: block;
}

/* Property groups */
.property-group {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-secondary);
}

.property-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.property-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.95em;
}

.property-group .prop-description {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.property-group .default-value {
    font-size: 0.8em;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Property images - horizontal scrolling gallery */
.property-images {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    margin-top: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
}

.property-images img {
    height: 200px;
    width: auto;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid var(--border-primary);
    cursor: pointer;
    transition: opacity 0.2s;
}

.property-images img:hover {
    opacity: 0.85;
}

/* Smart sizing based on image count */
.property-images.single-image img {
    max-width: 100%;
    height: auto;
    max-height: 300px;
}

.property-images.two-images img {
    width: calc(50% - 5px);
    height: auto;
    max-height: 250px;
    object-fit: contain;
}

.property-images.many-images img {
    width: calc(45% - 5px);
    min-width: 200px;
    height: auto;
    max-height: 250px;
    object-fit: contain;
}

/* Image lightbox overlay */
.image-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--lightbox-bg);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.image-lightbox.active {
    display: flex;
}

.image-lightbox .lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 95vw;
    max-height: 95vh;
}

.image-lightbox img {
    max-width: 95vw;
    max-height: 85vh;
    min-width: min(600px, 95vw);
    object-fit: contain;
    border-radius: 4px 4px 0 0;
    box-shadow: 0 4px 20px var(--shadow-lightbox);
    display: block;
}

.image-lightbox .lightbox-description {
    padding: 12px 16px;
    background: var(--lightbox-caption);
    color: #fff;
    font-size: 0.95em;
    text-align: center;
    border-radius: 0 0 4px 4px;
    max-width: 95vw;
}

/* Input controls */
.property-group input[type="number"],
.property-group input[type="text"] {
    width: 100px;
    padding: 6px 8px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-size: 0.9em;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Hide number input spinners */
.property-group input[type="number"]::-webkit-outer-spin-button,
.property-group input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.property-group input[type="number"] {
    -moz-appearance: textfield;
}

.property-group input[type="number"]:focus,
.property-group input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Slider with value display */
.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-container input[type="range"] {
    flex: 1;
    max-width: 300px;
}

.slider-container .slider-value {
    width: 70px;
    text-align: right;
    font-family: monospace;
    font-size: 0.95em;
    padding: 4px 6px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    -moz-appearance: textfield;
}

.slider-container .slider-value::-webkit-outer-spin-button,
.slider-container .slider-value::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.slider-container .slider-value:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Toggle switch for boolean */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--accent-red);
    border-radius: 26px;
    transition: 0.2s;
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-green);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.toggle-label .toggle-text {
    font-size: 0.9em;
    color: var(--text-secondary);
}

/* Nested config */
.nested-config {
    margin-top: 25px;
    margin-left: 15px;
    padding-left: 15px;
    border-left: 2px solid var(--border-primary);
}

/* Add extra spacing between consecutive nested configs */
.nested-config + .nested-config {
    margin-top: 30px;
}

.nested-config h3 {
    font-size: 1em;
    margin-bottom: 4px;
    color: var(--text-heading);
}

.nested-description {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Compact grid layout for nested properties */
.nested-properties-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px 15px;
}

.nested-properties-grid > .property-group:not(.compact-property) {
    grid-column: 1 / -1;
}

.nested-properties-grid .compact-property {
    margin-bottom: 0;
    padding-bottom: 8px;
    border-bottom: none;
    background: var(--bg-nested);
    padding: 8px 10px;
    border-radius: 4px;
}

.nested-properties-grid .compact-property label {
    font-size: 0.85em;
    margin-bottom: 2px;
}

.nested-properties-grid .compact-property .default-value {
    font-size: 0.75em;
    margin-top: 4px;
}

.nested-properties-grid .compact-property .input-container {
    margin-top: 4px;
}

.nested-properties-grid .compact-property input[type="number"],
.nested-properties-grid .compact-property input[type="text"] {
    width: 80px;
    padding: 4px 6px;
    font-size: 0.85em;
}

.nested-properties-grid .compact-property .toggle-label {
    font-size: 0.85em;
}

.nested-properties-grid .compact-property .toggle-switch {
    width: 40px;
    height: 22px;
}

.nested-properties-grid .compact-property .toggle-slider:before {
    height: 16px;
    width: 16px;
}

.nested-properties-grid .compact-property .toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(18px);
}

/* Responsive: 2 columns on smaller screens */
@media (max-width: 700px) {
    .nested-properties-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .nested-properties-grid {
        grid-template-columns: 1fr;
    }
}

/* Array input */
.array-input {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.array-input input {
    width: 65px;
    padding: 6px;
    text-align: center;
}

.array-input .array-label {
    font-size: 0.75em;
    color: var(--text-muted);
    text-align: center;
    margin-top: 2px;
}

.array-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Action buttons */
#actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-primary);
}

button {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.2s;
}

/* Advanced settings toggle */
.advanced-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.9em;
    color: var(--text-secondary);
    user-select: none;
}

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

/* Hide advanced settings by default */
.property-group.advanced,
.config-section.advanced {
    display: none;
}

/* Show advanced settings when toggle is checked */
body.show-advanced .property-group.advanced {
    display: block;
}

body.show-advanced .config-section.advanced {
    display: block;
}

/* Intro note */
.intro-note {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.9em;
    line-height: 1.55;
}

/* Advanced settings warning */
.advanced-warning {
    display: none;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: #fef7e0;
    border: 1px solid #e8d48b;
    border-radius: 4px;
    color: #7a6520;
    font-size: 0.9em;
    line-height: 1.55;
}

[data-theme="dark"] .advanced-warning {
    background: #2e2a1a;
    border-color: #5a4e2a;
    color: #d4b95e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .advanced-warning {
        background: #2e2a1a;
        border-color: #5a4e2a;
        color: #d4b95e;
    }
}

body.show-advanced .advanced-warning {
    display: block;
}

#reset-all {
    background: var(--button-secondary);
    color: var(--text-primary);
}

/* Preset selector bar */
#preset-bar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
}

.preset-header {
    margin: 0 0 4px 0;
    font-size: 1.1em;
    color: var(--text-primary);
}

.preset-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.preset-row label {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    min-width: 180px;
}

.preset-select {
    padding: 6px 10px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95em;
    cursor: pointer;
    flex: 1;
}

#reset-all:hover {
    background: var(--button-secondary-hover);
}

#download-config {
    background: var(--accent-green);
    color: white;
}

#download-config:hover {
    background: var(--accent-green-hover);
}

/* Download instructions */
#download-instructions {
    margin-top: 25px;
    padding: 20px;
    border-radius: 4px;
    text-align: center;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

#download-instructions.download-inactive {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
}

#download-instructions.download-active {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
}

#download-instructions h3 {
    margin-bottom: 10px;
    font-size: 1.1em;
}

#download-instructions code {
    display: inline-block;
    margin: 10px 0;
    padding: 8px 16px;
    background: var(--code-bg);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-family: monospace;
    color: var(--text-primary);
}

#download-instructions p {
    font-size: 0.9em;
    color: var(--text-heading);
}


/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 0.9em;
}

/* Modified indicator */
.modified {
    position: relative;
}

.modified::after {
    content: "*";
    color: var(--error-text);
    font-weight: bold;
    margin-left: 4px;
}