/* ==========================================================================
   Theme Variables (Token Architecture)
   ========================================================================== */

:root {
    /* Light Theme Base Tokens */
    --light-bg-color: #ffffff;
    --light-text-color: #333333;
    --light-heading-color: #0056b3;
    --light-link-color: #007BFF;
    --light-toc-bg: #f8f9fa;
    --light-toc-border: #e9ecef;
    --light-border-color: #eee;
    --light-details-body-border: #f4f4f4;
    --light-table-header-bg: #f0f0f0;
    --light-table-header-text: #333333;
    --light-card-bg: #f8f9fa;
    --light-card-border: #e9ecef;
    --light-card-bg-hover: #ffffff;
    --light-link-hover-color: #004494;
    --light-shadow-color: rgba(0, 0, 0, 0.08);

    /* Dark Theme Base Tokens */
    --dark-bg-color: #1a1a1a;
    --dark-text-color: #e0e0e0;
    --dark-heading-color: #4da3ff;
    --dark-link-color: #66b2ff;
    --dark-toc-bg: #2d2d2d;
    --dark-toc-border: #444;
    --dark-border-color: #404040;
    --dark-details-body-border: #333;
    --dark-table-header-bg: #333333;
    --dark-table-header-text: #ffffff;
    --dark-card-bg: #252526;
    --dark-card-border: #333333;
    --dark-card-bg-hover: #2d2d30;
    --dark-link-hover-color: #79c0ff;
    --dark-shadow-color: rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Application of Contextual Themes
   ========================================================================== */

/* 1. Default fallback (Auto mapping to Light) */
:root[data-theme="auto"],
:root:not([data-theme]) {
    --bg-color: var(--light-bg-color);
    --text-color: var(--light-text-color);
    --heading-color: var(--light-heading-color);
    --link-color: var(--light-link-color);
    --toc-bg: var(--light-toc-bg);
    --toc-border: var(--light-toc-border);
    --border-color: var(--light-border-color);
    --details-body-border: var(--light-details-body-border);
    --table-header-bg: var(--light-table-header-bg);
    --table-header-text: var(--light-table-header-text);
    --card-bg: var(--light-card-bg);
    --card-border: var(--light-card-border);
    --card-bg-hover: var(--light-card-bg-hover);
    --link-hover-color: var(--light-link-hover-color);
    --shadow-color: var(--light-shadow-color);
}

/* 2. Auto mapping to Dark based on OS preferences */
@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"],
    :root:not([data-theme]) {
        --bg-color: var(--dark-bg-color);
        --text-color: var(--dark-text-color);
        --heading-color: var(--dark-heading-color);
        --link-color: var(--dark-link-color);
        --toc-bg: var(--dark-toc-bg);
        --toc-border: var(--dark-toc-border);
        --border-color: var(--dark-border-color);
        --details-body-border: var(--dark-details-body-border);
        --table-header-bg: var(--dark-table-header-bg);
        --table-header-text: var(--dark-table-header-text);
        --card-bg: var(--dark-card-bg);
        --card-border: var(--dark-card-border);
        --card-bg-hover: var(--dark-card-bg-hover);
        --link-hover-color: var(--dark-link-hover-color);
        --shadow-color: var(--dark-shadow-color);
    }
}

/* 3. Explicit Light Mode */
:root[data-theme="light"] {
    --bg-color: var(--light-bg-color);
    --text-color: var(--light-text-color);
    --heading-color: var(--light-heading-color);
    --link-color: var(--light-link-color);
    --toc-bg: var(--light-toc-bg);
    --toc-border: var(--light-toc-border);
    --border-color: var(--light-border-color);
    --details-body-border: var(--light-details-body-border);
    --table-header-bg: var(--light-table-header-bg);
    --table-header-text: var(--light-table-header-text);
    --card-bg: var(--light-card-bg);
    --card-border: var(--light-card-border);
    --card-bg-hover: var(--light-card-bg-hover);
    --link-hover-color: var(--light-link-hover-color);
    --shadow-color: var(--light-shadow-color);
}

/* 4. Explicit Dark Mode */
:root[data-theme="dark"] {
    --bg-color: var(--dark-bg-color);
    --text-color: var(--dark-text-color);
    --heading-color: var(--dark-heading-color);
    --link-color: var(--dark-link-color);
    --toc-bg: var(--dark-toc-bg);
    --toc-border: var(--dark-toc-border);
    --border-color: var(--dark-border-color);
    --details-body-border: var(--dark-details-body-border);
    --table-header-bg: var(--dark-table-header-bg);
    --table-header-text: var(--dark-table-header-text);
    --card-bg: var(--dark-card-bg);
    --card-border: var(--dark-card-border);
    --card-bg-hover: var(--dark-card-bg-hover);
    --link-hover-color: var(--dark-link-hover-color);
    --shadow-color: var(--dark-shadow-color);
}

/* 5. Custom Mode (Variables injected via JS) */
:root[data-theme="custom"] {
    /* Managed by theme-apply.js */
}

/* ==========================================================================
   Global Elements
   ========================================================================== */

body { 
    background-color: var(--bg-color); 
    color: var(--text-color); 
    transition: background 0.3s, color 0.3s; 
}

h1, h2, h3, h4, h5, h6 { 
    color: var(--heading-color) !important; 
}

a, a:visited { 
    color: var(--link-color);
    text-decoration: none; 
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

/* Hover anchors for direct linking */
.heading-anchor {
    opacity: 0;
    color: #ccc !important;
    font-size: 0.8em;
    text-decoration: none !important;
    margin-left: 8px;
    transition: opacity 0.2s ease-in-out;
    cursor: pointer;
    user-select: none;
}

h2:hover .heading-anchor, h3:hover .heading-anchor, 
h4:hover .heading-anchor, h5:hover .heading-anchor, h6:hover .heading-anchor {
    opacity: 1;
}

.heading-anchor:hover { 
    color: var(--link-color) !important; 
}

/* External link icon (↗) */
.external-icon {
    font-size: 0.7em;
    opacity: 0.55;
    margin-left: 4px;
    display: inline-block;
    vertical-align: baseline;
    text-decoration: none !important;
    transition: opacity 0.2s;
}

a:hover .external-icon {
    opacity: 0.8;
    text-decoration: none !important;
}

/* ==========================================================================
   Top Navigation Bar (Header) - DYNAMIC & CENTERED
   ========================================================================== */

.top-navbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between; /* Initial state: Title Left, Buttons Right */
    align-items: center;
    gap: 15px;
    padding: 0 0 25px 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.brand-title {
    margin: 0 !important;
    font-size: 2.2em !important;
    color: var(--heading-color) !important;
    border-bottom: none !important;
    line-height: 1.1;
    flex: 0 1 auto;
    text-align: left;
    white-space: nowrap; 
}

.controls-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end; 
    gap: 10px;
    flex: 0 1 auto;
}

/* Dynamic Centered State (Triggered by JS) */
.top-navbar.is-stacked {
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.top-navbar.is-stacked .brand-title {
    flex: 1 1 100%;
    text-align: center;
    margin-bottom: 10px !important;
}

.top-navbar.is-stacked .controls-bar {
    justify-content: center;
    width: 100%;
}

/* Restored Button Styles (Card Style) */
.theme-toggle, 
.original-link-btn, 
.lang-btn, 
.font-toggle-label, 
.back-link-btn, 
.print-btn,
.controls-bar > a, 
.controls-bar > button, 
.controls-bar > label {
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    box-sizing: border-box;
    cursor: pointer; 
    background: var(--card-bg); 
    color: var(--text-color) !important; 
    border: 1px solid var(--card-border); 
    padding: 8px 16px; 
    border-radius: 8px; 
    font-size: 0.9em; 
    transition: all 0.2s ease; 
    text-decoration: none; 
    white-space: nowrap; 
    margin: 0;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.theme-toggle:hover, 
.original-link-btn:hover, 
.lang-btn:hover, 
.font-toggle-label:hover, 
.back-link-btn:hover, 
.print-btn:hover,
.controls-bar > a:hover, 
.controls-bar > button:hover, 
.controls-bar > label:hover {
    background: var(--card-bg-hover); 
    transform: translateY(-2px); 
    box-shadow: 0 4px 8px var(--shadow-color);
    text-decoration: none; 
}

/* ==========================================================================
   Layout & Navigation (Back to Top)
   ========================================================================== */

#back-to-top {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-bg);
    color: var(--text-color) !important;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 0.9em;
    cursor: pointer;
    box-shadow: 0 2px 4px var(--shadow-color);
    z-index: 1000;
    transition: all 0.2s ease;
}

#back-to-top:hover { 
    background-color: var(--card-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* ==========================================================================
   Responsive Top Navigation Bar
   ========================================================================== */

@media (max-width: 800px) {
    .top-navbar {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .top-navbar .brand-title {
        flex: 1 1 100%;
        text-align: center;
        margin-bottom: 10px !important;
    }

    .top-navbar .controls-bar {
        justify-content: center;
        width: 100%;
    }
}

/* ==========================================================================
   Typography & Accessibility (OpenDyslexic)
   ========================================================================== */

@font-face {
    font-family: 'OpenDyslexic';
    src: url('opendyslexic/OpenDyslexic-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'OpenDyslexic';
    src: url('opendyslexic/OpenDyslexic-Bold.woff2') format('woff2');
    font-weight: bold;
    font-style: normal;
}
@font-face {
    font-family: 'OpenDyslexic';
    src: url('opendyslexic/OpenDyslexic-Italic.woff2') format('woff2');
    font-weight: normal;
    font-style: italic;
}
@font-face {
    font-family: 'OpenDyslexic';
    src: url('opendyslexic/OpenDyslexic-Bold-Italic.woff2') format('woff2');
    font-weight: bold;
    font-style: italic;
}

html.dyslexic, html.dyslexic * {
    font-family: 'OpenDyslexic' !important;
    font-size-adjust: 0.45;
}

/* ==========================================================================
   Components: Tables & Table of Contents
   ========================================================================== */

/* Prevent expanding the entire page width */
.table-responsive, .details-body {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 20px;
    /* This ensures the container stays within its parent's bounds */
    display: block; 
}

.table-responsive table {
    margin-bottom: 0;
    /* Force a minimum width to ensure scrolling happens on mobile */
    min-width: 600px; 
}

.table-responsive table thead th {
    background-color: var(--table-header-bg) !important;
    color: var(--table-header-text) !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.05);
}

.toc { 
    background: var(--card-bg); 
    padding: 15px; 
    border: 1px solid var(--card-border); 
    border-radius: 8px; 
    margin-bottom: 30px; 
}

.toc h2 { 
    margin-top: 0; 
    padding-bottom: 10px; 
    font-size: 1.2em; 
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color); 
}

.toc ul { list-style-type: none; padding-left: 0; margin-bottom: 0; }
.toc li { margin-bottom: 8px; line-height: 1.3; }
.toc a { color: var(--link-color); }

/* Document Link Styling */
.document-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    margin: 4px 0;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9em;
    transition: all 0.2s ease;
    color: var(--link-color);
}

.document-icon::before { content: "📄"; font-size: 1.1em; }
.document-icon.pdf::before { content: "📕"; }
.document-icon.xls::before, .document-icon.xlsx::before { content: "📗"; }
.document-icon.doc::before, .document-icon.docx::before { content: "📘"; }

.document-icon:hover {
    background-color: var(--card-bg-hover);
    border-color: var(--link-color);
    color: var(--link-hover-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* ==========================================================================
   Print Optimization
   ========================================================================== */

@media print {
    @page { margin: 1.5cm; }
    
    body {
        padding: 0 !important; 
        margin: 0 !important;
        background: white !important;
    }

    /* Hide menus, buttons, ToC, and sidebar */
    .top-navbar, .controls-bar, .toc, #back-to-top { 
        display: none !important; 
    }
    
    html, .content-wrapper { background: white !important; }
    
    *, h1, h2, h3, h4, h5, h6, 
    summary.level-h2, summary.level-h3, summary.level-h4, summary.level-h5, summary.level-h6, summary.level-default,
    #page-title, a { 
        color: #000000 !important; 
        border-color: #000000 !important;
        background-color: transparent !important; 
        box-shadow: none !important; 
        text-shadow: none !important; 
    }

    a { text-decoration: none !important; }
    
    details, .docente-card, .accordion-card, li, tr { break-inside: avoid; }
    h1, h2, h3, h4, h5, h6 { break-after: avoid; }
    img { max-width: 100% !important; break-inside: avoid; }
    
    details { border-bottom: 1px solid #ddd; margin-bottom: 15px; padding-bottom: 10px; }
    summary { font-weight: bold; font-size: 1.1em; border-bottom: 1px solid #eee; padding-bottom: 5px; margin-bottom: 10px; }
}

/* ==========================================================================
   Side Panel Mechanics & Theme Panel
   ========================================================================== */

.panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(360px, 90vw);
    transform: translateX(100%);
    transition: transform 180ms ease;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    z-index: 1000;
}

.panel.is-open {
    transform: translateX(0);
}

.backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.32); /* Soft backdrop */
    z-index: 999;
}

/* Theme Panel Overrides */
#themePanel.panel {
    width: min(380px, 92vw);
    max-width: 380px;
    padding: 0;
    border-left: 1px solid var(--border-color);
    border-radius: 14px 0 0 14px;
    overflow: hidden;
    box-shadow: 0 18px 60px rgba(0,0,0,.25);
}

/* Glassy effect where supported */
@supports (backdrop-filter: blur(10px)) {
    #themePanel.panel {
        background: color-mix(in srgb, var(--card-bg) 88%, transparent);
        backdrop-filter: blur(10px);
    }
}

#themePanel .panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 14px 12px;
    border-bottom: 1px solid var(--border-color);
}

#themePanel .panel__title {
    margin: 0;
    font-size: 13px;
    letter-spacing: .2px;
    color: var(--text-color);
    opacity: .92;
}

#themePanel .panel__close {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-color);
    font-size: 22px;
    line-height: 1;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    cursor: pointer;
    opacity: .85;
    transition: background .15s ease, border-color .15s ease, opacity .15s ease, transform .15s ease;
}

#themePanel .panel__close:hover {
    background: color-mix(in srgb, var(--card-bg) 65%, var(--text-color) 6%);
    border-color: var(--card-border);
    opacity: 1;
    transform: translateY(-1px);
}

#themePanel .panel__close:active {
    transform: translateY(0);
}

#themePanel .panel__content {
    padding: 14px;
    display: grid;
    gap: 14px;
}

#themePanel .panel__section {
    display: grid;
    gap: 10px;
}

#themePanel .field {
    display: grid;
    gap: 8px;
}

#themePanel .field__label {
    font-size: 12px;
    opacity: .75;
    color: var(--text-color);
}

#themePanel .select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: color-mix(in srgb, var(--card-bg) 92%, var(--text-color) 4%);
    color: var(--text-color);
    outline: none;
    box-shadow: 0 1px 0 var(--shadow-color);
}

#themePanel .select:focus {
    border-color: color-mix(in srgb, var(--link-color) 65%, var(--card-border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--link-color) 22%, transparent);
}

#themePanel .panel__sectionHead {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

#themePanel .panel__sectionTitle {
    margin: 0;
    font-size: 12px;
    letter-spacing: .2px;
    opacity: .9;
    color: var(--text-color);
}

#themePanel .panel__hint {
    margin: 0;
    font-size: 11px;
    opacity: .6;
    color: var(--text-color);
}

#themePanel .swatches {
    display: grid;
    gap: 10px;
}

#themePanel .swatch {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 10px 10px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: color-mix(in srgb, var(--card-bg) 96%, var(--text-color) 2%);
    box-shadow: 0 1px 0 var(--shadow-color);
}

#themePanel .swatch__name {
    font-size: 12px;
    opacity: .9;
    color: var(--text-color);
}

#themePanel .swatch__controls {
    display: grid;
    grid-auto-flow: column;
    align-items: center;
    gap: 10px;
}

#themePanel .swatch__picker {
    width: 38px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    cursor: pointer;
    background: #111 !important;
    border-color: rgba(255,255,255,.22) !important;
    color-scheme: dark !important;
    filter: invert(1) hue-rotate(180deg);
}

#themePanel .swatch__picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

#themePanel .swatch__picker::-webkit-color-swatch {
    border: 0;
    border-radius: 9px;
    filter: invert(1) hue-rotate(180deg);
}

#themePanel .swatch__picker::-moz-color-swatch {
    border: 0;
    border-radius: 9px;
    filter: invert(1) hue-rotate(180deg);
}

#themePanel .swatch__hex {
    width: 118px;
    padding: 9px 10px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: color-mix(in srgb, var(--card-bg) 88%, #000 10%);
    color: var(--text-color);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 12px;
    outline: none;
}

#themePanel .swatch__hex:focus {
    border-color: color-mix(in srgb, var(--link-color) 65%, var(--card-border));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--link-color) 22%, transparent);
}

#themePanel .swatch__hex.is-bad {
    border-color: rgba(255,80,80,.75);
    box-shadow: 0 0 0 3px rgba(255,80,80,.18);
}

#themePanel input::selection {
    background: color-mix(in srgb, var(--link-color) 30%, transparent);
}

.panel-action-btn {
    display: inline-block;
    box-sizing: border-box;
    margin: 0;
    background: var(--card-bg); 
    border: 1px solid var(--card-border); 
    color: var(--text-color); 
    padding: 5px 10px; 
    border-radius: 5px; 
    font-size: 0.9em; 
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.panel-action-btn:hover {
    background: color-mix(in srgb, var(--card-bg) 80%, var(--text-color) 20%);
}

.panel-action-btn--text {
    background: transparent;
    border-color: transparent;
    text-decoration: underline;
    opacity: 0.8;
}

.panel-action-btn--text:hover {
    opacity: 1;
    background: transparent;
}

/* ==========================================================================
   Fix Long Text
   ========================================================================== */

/* 1. Forces line breaks for long headings, titles, and summaries */
h1, h2, h3, h4, h5, h6, 
summary[class*="level-"], 
.brand-title {
    overflow-wrap: anywhere;
    word-wrap: break-word;
    word-break: break-word;
    white-space: normal !important;
    min-width: 0;
}

/* 2. Forces line breaks for very long links (URLs) */
a {
    overflow-wrap: anywhere;
    word-break: break-word; 
}