:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #252525;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #333;
    --accent: #0d9488;
    --accent-light: #14b8a6;
    --accent-rgb: 13, 148, 136;
    --control-icon-filter: invert(1) brightness(1.25);
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;
    color-scheme: dark;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --control-icon-filter: none;
    color-scheme: light;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.logo span {
    color: var(--accent);
}

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

.site-network {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-start;
}

.site-network-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.2;
}

.site-network-link .material-icons {
    font-size: 1rem;
}

.site-network-icon {
    width: 1rem;
    height: 1rem;
    object-fit: contain;
    flex: 0 0 auto;
}

.site-network-link:hover {
    color: var(--accent);
}

.accent-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-dropdown {
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Main Layout */
.main-grid {
    display: block;
    min-height: calc(100vh - 120px);
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    height: fit-content;
    position: sticky;
    top: 1rem;
}

.search-box {
    margin-bottom: 1.5rem;
}

.search-box input {
    width: 100%;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
}

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

.category {
    padding: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category:hover {
    background: var(--bg-tertiary);
}

.category.active {
    background: var(--accent);
    color: white;
}

.recent-tools {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.recent-tools h4 {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.tool-chip {
    display: inline-block;
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin: 0.125rem;
    font-size: 0.75rem;
    cursor: pointer;
}

/* Tool Container */
.tool-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.tool-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
}

.tool-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

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

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-compact {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Tool I/O */
.io-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .io-container {
        grid-template-columns: 1fr;
    }
}

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

.io-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stats {
    font-size: 0.75rem;
}

textarea {
    width: 100%;
    min-height: 300px;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--accent);
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.output {
    background: var(--bg-primary);
}

/* Options Panel */
.options-panel {
    background: var(--bg-tertiary);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

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

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

.option-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

select,
input[type="range"],
input[type="checkbox"],
input[type="radio"],
input[type="text"],
input[type="number"],
input[type="search"],
input[type="email"],
input[type="url"],
input[type="tel"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"] {
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
}

select,
input,
textarea,
button {
    font: inherit;
}

input[type="text"]::placeholder,
input[type="number"]::placeholder,
input[type="search"]::placeholder,
input[type="email"]::placeholder,
input[type="url"]::placeholder,
input[type="tel"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

select:disabled,
input:disabled,
textarea:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

input[type="color"] {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
}

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

input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 3px;
}

input[type="color"]::-moz-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 3px;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator,
input[type="week"]::-webkit-calendar-picker-indicator,
input[type="search"]::-webkit-search-cancel-button,
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    filter: var(--control-icon-filter);
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator,
input[type="week"]::-webkit-calendar-picker-indicator,
input[type="search"]::-webkit-search-cancel-button {
    cursor: pointer;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text-primary);
    box-shadow: 0 0 0 1000px var(--bg-secondary) inset;
    border: 1px solid var(--border-color);
    transition: background-color 9999s ease-in-out 0s;
}

input[type="checkbox"], input[type="radio"] {
    width: auto;
    cursor: pointer;
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Tool Cards (for homepage) */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.tool-card {
    display: block;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    color: inherit;
    text-decoration: none;
}

.tool-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.tool-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
}

.tool-card h3 {
    margin-bottom: 0.5rem;
}

.tool-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.site-footer {
    margin-top: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

.site-footer p {
    margin: 0;
    text-align: center;
}


.hidden {
    display: none !important;
}

.visually-hidden,
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pill {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--accent);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.pill.muted {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.success {
    color: var(--success);
}

.warning {
    color: var(--warning);
}

.error {
    color: var(--error);
}

/* Responsive */
@media (max-width: 768px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .tool-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .site-network {
        position: static;
        transform: none;
        order: 3;
        width: 100%;
        margin-top: 1rem;
        display: flex;
        flex-direction: column;
        gap: 0.35rem;
        justify-content: center;
        align-items: center;
    }

    header {
        flex-wrap: wrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }

    .btn:hover {
        transform: none !important;
        box-shadow: none !important;
    }
}

.bookstacks-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.bookstacks-layout > * {
    min-width: 0;
}

.sidebar .recent-tools {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    margin-bottom: 1rem;
}

.sidebar .category {
    color: inherit;
    text-decoration: none;
    justify-content: space-between;
}

.sidebar-count {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.sidebar .category.active .sidebar-count {
    color: white;
}

.chapter-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.toc-jump-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin: 0 0 1.5rem;
}

.toc-jump-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.toc-tree {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.toc-section {
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.toc-section-depth-0 {
    padding-left: 1.25rem;
}

.toc-section-header {
    margin-bottom: 0.85rem;
}

.toc-section-title {
    margin: 0;
    line-height: 1.3;
}

.toc-section-meta {
    margin: 0.35rem 0 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

.toc-item {
    margin: 0;
}

.toc-link {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    color: inherit;
    padding: 1rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--surface);
}

.toc-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.toc-link-index {
    margin-bottom: 0.25rem;
    color: var(--accent);
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
}

.toc-link-title {
    flex: 0 0 auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.toc-link:hover .toc-link-title {
    color: inherit;
}

.tool-actions a,
.chapter-navigation a,
a.btn {
    text-decoration: none;
}

.reader-content {
    font-size: 1rem;
    line-height: 1.75;
    max-width: none;
    margin: 0;
}

.reader-content > * + * {
    margin-top: 1rem;
}

.reader-content h1,
.reader-content h2,
.reader-content h3,
.reader-content h4,
.reader-content h5,
.reader-content h6 {
    line-height: 1.3;
}

.reader-content p,
.reader-content blockquote {
    margin: 0;
}

.reader-content p {
    text-indent: 0;
}

.reader-content p + p {
    margin-top: 0;
    text-indent: 1.75em;
}

.reader-content ul,
.reader-content ol {
    padding-left: 1.5rem;
}

.reader-content blockquote {
    border-left: 3px solid var(--accent);
    color: var(--text-secondary);
    padding-left: 1rem;
}

.reader-content img {
    display: block;
    width: auto;
    max-width: min(100%, 48rem);
    height: auto;
    margin: 1.5rem auto;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--bg-tertiary);
}

.shakespeare-content h1,
.shakespeare-content h2,
.shakespeare-content h3 {
    text-align: center;
}

.shakespeare-content p {
    text-indent: 0;
}

.shakespeare-content p + p {
    margin-top: 0.75rem;
    text-indent: 0;
}

.shakespeare-content .shakespeare-speaker {
    margin-top: 1.25rem;
    margin-bottom: 0.2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.shakespeare-content .shakespeare-speaker + .shakespeare-speech,
.shakespeare-content .shakespeare-speaker + .shakespeare-stage-direction {
    margin-top: 0.1rem;
}

.shakespeare-content .shakespeare-stage-direction {
    max-width: 38rem;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1.25rem;
    text-align: center;
    font-style: italic;
    color: var(--text-secondary);
}

.shakespeare-content .shakespeare-stage-direction.is-exit {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    padding-right: 2rem;
    text-align: right;
}

.shakespeare-content .shakespeare-speech {
    margin-left: 1.5rem;
}

.shakespeare-content .shakespeare-prose {
    white-space: normal;
}

.shakespeare-content .shakespeare-verse,
.shakespeare-content .shakespeare-poem {
    white-space: pre-line;
}

.shakespeare-content .shakespeare-song {
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
    white-space: pre-line;
    font-style: italic;
}

.chapter-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin: 0 0 2rem;
    max-width: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.chapter-breadcrumbs a {
    color: inherit;
    text-decoration: none;
}

.chapter-breadcrumbs a:hover {
    color: var(--accent);
}

.chapter-header {
    margin-bottom: 1.25rem;
}

.chapter-breadcrumbs-inline {
    margin: 0;
    font-size: 0.95rem;
}

.chapter-navigation {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: none;
    margin: 3rem 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

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

    .toc-list {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .chapter-navigation {
        justify-content: flex-start;
    }
}