/* --- Variables --- */
:root {
    --font-serif: "Lora", serif;
    --font-mono: "Source Code Pro", monospace;
    --color-background: #1a1a1d;
    --color-surface: #2c2f33;
    --color-primary: #c5c8c6;
    --color-preview-text: #e0e2e4;
    --color-secondary: #81a2be;
    --color-accent: #b294bb;
    --border-color: #444;
    --width-editor: 40em;
}

/* --- Reset & Global Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-serif);
    background-color: var(--color-background);
    color: var(--color-primary);
    line-height: 1.7;
    height: 100vh;
    overflow: hidden; /* Prevent body scrolling */
    display: flex;
    flex-direction: column;
}

/* --- Layout --- */
.main-container {
    display: grid;
    /* Resizers are 10px wide */
    grid-template-columns: 1fr 10px var(--width-editor) 10px 1fr;
    column-gap: 1.5rem;
    padding: 1.5rem;
    flex: 1;
    overflow: hidden;
}

.entity-panel {
    height: 100%;
    overflow-y: auto;
}

/* --- MuseTag Header --- */
.musetag-header {
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1rem;
    text-align: center;
}

.musetag-header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.musetag-header h1 a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.musetag-header h1 a:hover {
    color: var(--color-accent);
}

#central-column {
    display: flex;
    flex-direction: column;
    height: 100%;
    /* Collapse the gap from the resizers by pulling the column over it */
    margin: 0 -1.5rem;
    position: relative;
    z-index: 1;
}

/* --- Editor --- */
.editor-pane {
    position: relative; /* For potential future additions */
    flex: 1 1 0; /* Grow and shrink, basis 0 */
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Panes themselves don't scroll */
    min-height: 5rem; /* Minimum height before being squashed */
}

#musetag-editor {
    flex-grow: 1;
    width: 100%;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    outline: none;
    resize: none;
    line-height: 1.7;
}

#musetag-editor::placeholder {
    color: #5c5f62;
}

/* --- Resizer --- */
.resizer-horizontal {
    flex: 0 0 10px; /* Don't grow, don't shrink, basis 10px */
    background-color: transparent;
    cursor: row-resize;
    position: relative;
    transition: background-color 0.2s;
}

.resizer-horizontal:hover {
    background-color: rgba(178, 148, 187, 0.2); /* Accent color transparent */
}

.resizer-horizontal::before {
    content: "";
    position: absolute;
    top: 4px;
    left: 40%;
    right: 40%;
    height: 2px;
    background-color: var(--border-color);
}

.resizer-vertical {
    cursor: col-resize;
    position: relative;
    z-index: 2; /* Must be on top of the central column's margin */
    transition: background-color 0.2s;
}

.resizer-vertical:hover {
    background-color: rgba(178, 148, 187, 0.2);
}

.resizer-vertical::before {
    content: "";
    position: absolute;
    left: 4px; /* Centered in the 10px column */
    top: 45%;
    bottom: 45%;
    width: 2px;
    background-color: var(--border-color);
}

/* --- Side Panels --- */
.entity-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* --- Preview Area --- */
#preview-area {
    background-color: var(--color-surface);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    border-top: 2px solid var(--border-color);
}

.preview-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.preview-controls span {
    font-weight: 600;
    color: var(--color-secondary);
}

.toggle-switch button {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: none;
    border: 1px solid transparent;
    color: var(--color-primary);
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    transition:
        background-color 0.2s,
        border-color 0.2s;
}

.toggle-switch button.active {
    background-color: var(--color-accent);
    color: var(--color-background);
    border-radius: 4px;
}

.toggle-switch button:not(.active):hover {
    border-color: var(--color-accent);
    border-radius: 4px;
}

#preview-output {
    padding: 1rem;
    overflow-y: auto;
    flex-grow: 1;
    font-size: 0.95rem;
    word-wrap: break-word; /* Prevent long strings from overflowing */
}

/* Only apply pre-wrap in Markdown view */
#preview-output.markdown-view {
    white-space: pre-wrap;
}

/* Use normal white-space in HTML view */
#preview-output.html-view {
    white-space: normal;
}

/* Styles for HTML preview */
#preview-output h1,
#preview-output h2,
#preview-output h3 {
    margin-top: 1em;
    margin-bottom: 0.5em;
    color: var(--color-secondary);
}

#preview-output p {
    margin-bottom: 1em;
}

#preview-output blockquote {
    margin-left: 1em;
    padding-left: 1em;
    border-left: 3px solid var(--color-accent);
    color: #9a9da0;
}

#preview-output code {
    font-family: var(--font-mono);
    background-color: var(--color-background);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

#preview-output pre {
    background-color: var(--color-background);
    padding: 1em;
    border-radius: 4px;
    white-space: pre-wrap;
}

#preview-output pre code {
    padding: 0;
    background: none;
}

/* --- Entity Cards --- */
#character-entities,
#other-entities {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.entity-card {
    background-color: var(--color-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: box-shadow 0.2s;
    overflow: hidden;
}
.entity-card:hover {
    box-shadow: 0 0 5px rgba(178, 148, 187, 0.5);
}
.entity-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    font-weight: bold;
    color: var(--color-accent);
    cursor: pointer;
    transition: background-color 0.2s;
}
.entity-card-header:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.entity-card-body {
    padding: 0 1rem 0.8rem 1rem;
    max-height: 500px; /* Adjust as needed */
    overflow-y: auto;
    transition:
        max-height 0.3s ease-in-out,
        padding-top 0.3s ease-in-out,
        padding-bottom 0.3s ease-in-out;
}
.entity-card.collapsed .entity-card-body {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
}
.entity-card-body h5 {
    color: var(--color-secondary);
    margin-top: 0;
    margin-bottom: 0.3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.2rem;
    font-size: 0.9rem;
}
.entity-card-body ul {
    list-style: none;
    padding-left: 0.5rem;
}
.entity-card-body li {
    margin-bottom: 0.2rem;
    border-radius: 3px;
    padding: 0.2rem 0.4rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.entity-card-body li:hover {
    background-color: rgba(255, 255, 255, 0.05);
}
.entity-card-body li strong {
    color: var(--color-primary);
}
.entity-card-body li em {
    color: #888;
    font-style: italic;
}

/* --- Nested Global Modifier Lists --- */

.entity-card-body ul ul {
    list-style: none;
    padding-left: 0;
    margin-left: 1rem;
    margin-top: 0.2rem;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    padding-left: 0.5rem;
}

.entity-card-body ul ul li {
    font-size: 0.9em;
    margin-bottom: 0.1rem;
    padding: 0.1rem 0.3rem;
    border-radius: 2px;
    cursor: pointer;
    color: var(--color-primary);
}

.entity-card-body ul ul li:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-secondary);
}

/* --- Entity Hierarchy Styles --- */

/* Main entities (@@) */
.entity-card.hierarchy-main {
    border-left: 3px solid var(--color-secondary);
}

.entity-card.hierarchy-main .entity-card-header::after {
    content: " ★★★";
    color: var(--color-secondary);
    font-size: 0.8em;
    margin-left: 0.3em;
}

.entity-card.hierarchy-main .entity-card-header {
    font-size: 1em;
    font-weight: 600;
}

/* Secondary entities (@@@) */
.entity-card.hierarchy-secondary {
    border-left: 2px solid #64748b;
}

.entity-card.hierarchy-secondary .entity-card-header::after {
    content: " ★★";
    color: #64748b;
    font-size: 0.8em;
    margin-left: 0.3em;
}

.entity-card.hierarchy-secondary .entity-card-header {
    font-size: 0.9em;
    font-weight: 500;
}

/* Minor entities (@@@@) */
.entity-card.hierarchy-minor {
    border-left: 1px solid #94a3b8;
}

.entity-card.hierarchy-minor .entity-card-header::after {
    content: " ★";
    color: #94a3b8;
    font-size: 0.8em;
    margin-left: 0.3em;
}

.entity-card.hierarchy-minor .entity-card-header {
    font-size: 0.9em;
    font-weight: 500;
}

/* --- Pills for Minor Entities --- */

.minor-entities-pills {
    margin-top: 1rem;
    padding: 0.5rem 0;
}

.minor-entities-pills h4 {
    font-size: 0.8rem;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.pills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.expanded-cards-container {
    margin-bottom: 0.5rem;
}

.expanded-cards-container .entity-card {
    margin-bottom: 0.5rem;
}

.expanded-cards-container .entity-card:last-child {
    margin-bottom: 0;
}

.entity-pill {
    display: inline-block;
    background-color: rgba(148, 163, 184, 0.2);
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: 12px;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.entity-pill:hover {
    background-color: rgba(148, 163, 184, 0.3);
    border-color: rgba(148, 163, 184, 0.6);
    transform: translateY(-1px);
}

.entity-pill.expanded {
    background-color: rgba(129, 162, 190, 0.3);
    border-color: var(--color-secondary);
}

/* --- Entity Type Sections --- */

.entity-type-section {
    margin-bottom: 2rem;
}

.entity-type-title {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
}

.entity-type-section .entity-card {
    margin-bottom: 1rem;
}

.entity-type-section .entity-card:last-child {
    margin-bottom: 0;
}

/* --- Document Outline --- */
#document-outline-area {
    background-color: var(--color-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.8rem 1rem;
    flex-shrink: 0; /* Prevent the outline from shrinking */
}

.panel-title {
    font-weight: bold;
    color: var(--color-secondary);
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border-color);
}

.document-outline-list {
    list-style: none;
    padding-left: 0;
    font-size: 0.9rem;
}

.document-outline-list li {
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-primary);
}

.document-outline-list li:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.outline-level-1 {
    font-weight: bold;
}

.outline-level-2,
.outline-level-3,
.outline-level-4 {
    opacity: 0.9;
}

/* --- Scrollbar styling --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* --- Timeline --- */
#timeline-container {
    height: 120px;
    flex-shrink: 0;
    padding: 0.5rem 1.5rem;
    background-color: var(--color-surface);
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

#timeline-container h3 {
    display: none;
}

#timeline-axis {
    position: relative;
    height: 60px;
    background-color: var(--color-background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: visible;
    flex: 1;
}

#timeline-axis::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transform: translateY(-50%);
}

.timeline-marker {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-accent);
    cursor: pointer;
    transition: background-color 0.2s;
}

.timeline-marker:hover {
    background-color: var(--color-primary);
}

.timeline-marker::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.timeline-marker:hover::before {
    background-color: var(--color-primary);
}

.timeline-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    transform-origin: center;
    font-size: 0.8rem;
    color: var(--color-primary);
    white-space: nowrap;
    pointer-events: auto;
    cursor: pointer;
    background-color: var(--color-background);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.timeline-label:hover {
    background-color: var(--color-surface);
}

/* Timeline labels at extremities with 90° rotation to prevent overflow */
.timeline-label-left {
    transform: translate(-50%, -50%) rotate(-90deg);
}

.timeline-label-right {
    transform: translate(-50%, -50%) rotate(-90deg);
}

/* --- Blog Styles --- */
.post-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.post-list li {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.post-list li:last-child {
    border-bottom: none;
}

.post-meta {
    display: inline-block;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.post-list h3 {
    margin: 0.5rem 0 1rem 0;
    font-size: 1.4rem;
    line-height: 1.3;
}

.post-link {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.post-excerpt {
    color: var(--color-primary);
    opacity: 0.9;
    line-height: 1.6;
    margin-top: 0.5rem;
}

.more-posts {
    text-align: center;
    margin: 2rem 0 1rem 0;
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
}

.more-posts a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-secondary);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.more-posts a:hover {
    background-color: var(--color-secondary);
    color: var(--color-background);
}

.rss-subscribe {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.rss-subscribe a {
    color: var(--color-accent);
    text-decoration: none;
}

.rss-subscribe a:hover {
    text-decoration: underline;
}

/* Blog post content styles */
.post-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.post-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--color-secondary);
}

.post-content blockquote {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--color-surface);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 4px 4px 0;
}

.post-content blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

.post-content pre {
    background-color: var(--color-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow-x: auto;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 3rem 0 2rem 0;
    padding: 1rem;
    background-color: var(--color-surface);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.post-navigation a {
    color: var(--color-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.post-navigation a:hover {
    background-color: rgba(129, 162, 190, 0.1);
}