@import url('https://fonts.googleapis.com/css2?family=Changa:wght@200..800&display=swap');

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

/* Utility Classes */
.hidden {
    display: none !important;
}

html {
    font-family: sans-serif;
    line-height: 1.5;
    color: #333;
    font-size: 16px; /* Base font size */
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background-color: #f4f4f4;
    font-family: sans-serif;
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    width: 100%;
}

header {
    width: 100%;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    background-color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    flex-direction: column;
    gap: 10px;
}

main {
    width: 100%;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

h1 {
    font-size: 1.8em;
    color: #555;
}

.lang-toggle button {
    padding: 8px 15px;
    margin-left: 5px;
    cursor: pointer;
    border: 1px solid #ccc;
    background-color: #eee;
    border-radius: 4px;
    font-size: 0.9em;
}

.lang-toggle button.active {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
}

.selectors {
    margin-bottom: 20px;
}

.selectors label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #666;
}

.selectors select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    margin-bottom: 15px;
}

.audio-player-container {
    margin-top: 20px;
    width: 100%;
}

.skip-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.skip-button {
    background-color: #eee;
    border: 0px solid #ccc;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 0.9em;
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.skip-button:hover {
    background-color: #ddd;
}

audio {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* RTL Specific Styles */
html[dir="rtl"] body {
}

html[dir="rtl"] h1 {
    font-family: 'Changa', sans-serif;
}

html[dir="rtl"] .lang-toggle button {
    margin-left: 0;
    margin-right: 5px;
}

html[dir="rtl"] .selectors label {
    text-align: right;
}

html[dir="rtl"] .sidebar {
}

html[dir="rtl"] .sidebar nav button {
    text-align: right;
}

/* Specific font for English (optional, could keep sans-serif) */
html[dir="ltr"] body {
    font-family: sans-serif;
}

/* Specific font for Arabic */
html[dir="rtl"] select,
html[dir="rtl"] button {
    font-family: 'Changa', sans-serif;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .app-container {
        max-width: 100%;
    }

    .main-content {
        padding: 10px;
    }

    header,
    main {
        max-width: 100%;
        padding: 10px;
        margin-top: 10px;
    }

    h1 {
        font-size: 1.4em;
    }

    .surah-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .rewayah-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .surah-button {
        font-size: 14px;
        padding: 0.7rem;
    }

    .rewayah-button {
        font-size: 0.9em;
        padding: 8px 14px;
    }

    .section-toggle .nav-button {
        font-size: 0.95em;
    }
}

/* Base styles for elements hidden on mobile initially */
#hamburger-toc {
    display: none; /* Hide hamburger on desktop */
}

#toc-overlay {
    display: none; /* Hide overlay on desktop */
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.2em;
    }
    .lang-toggle button {
        padding: 4px 6px;
        font-size: 0.75em;
    }
    .section-toggle .nav-button {
        font-size: 0.85em;
        padding: 6px 8px;
    }

    .surah-grid {
        grid-template-columns: repeat(3, 1fr) !important; /* Force 3 columns */
        gap: 8px;
        padding: 8px;
        align-items: stretch;
    }

    .surah-button {
        min-height: 44px;
        font-size: 13px;
        padding: 6px 8px;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        box-shadow: 0 2px 4px rgba(0,0,0,.05);
        width: 100%;
        border: 1px solid #e5e7eb;
    }

    html[dir="rtl"] .surah-button {
        font-family: 'Changa', sans-serif;
        letter-spacing: -0.5px;
    }

    .selector-label[data-lang-key="selectRewayahLabel"] {
        font-size: 1.1em;
    }

    .rewayah-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 8px 0;
    }

    .rewayah-button {
        font-size: 0.9em;
        padding: 8px 12px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    #surah-text-display-container {
        padding: 15px;
    }

    .surah-nav-button {
        padding: 6px;
        gap: 6px;
    }

    .surah-nav-button .arrow {
        font-size: 1.1em;
    }

    .surah-nav-button .surah-name {
        font-size: 0.75em;
    }

    /* PDF Viewer Mobile Styles */
    .pdf-viewer {
        flex-direction: column; /* Stack sidebar and main content */
        gap: 10px;
    }

    .pdf-toc-sidebar {
        width: 100%; /* Take full width */
        order: 0; /* Reset order if needed, place above */
        max-height: 30vh; /* Limit height, but allow more than desktop */
    }

    .pdf-sidebar-button,
    .pdf-toc-sidebar h4 {
        font-size: 0.9em; /* Adjust font size */
        padding: 6px 8px;
    }
    
    #custom-toc-list a {
        font-size: 0.85em; /* Adjust TOC link font size */
    }
    
    .pdf-viewer-main {
        width: 100%; /* Ensure main content takes full width */
        display: block; /* <<< ADDED: Explicitly set display */
    }
    
    .pdf-canvas-container {
        /* No max-width needed when stacked */
    }
    /* END PDF Viewer Mobile Styles */

    /* --- Mobile TOC/Overlay/Hamburger Styles --- */
    #hamburger-toc {
        display: inline-block; /* Show hamburger on mobile */
        background: none;
        border: none;
        padding: 0 5px; /* Adjust padding */
        font-size: 1.6em; /* Make hamburger bigger */
        line-height: 1; /* Align vertically */
        cursor: pointer;
        color: #555; /* Match controls text color */
        margin-right: 10px; /* Add space between hamburger and prev button */
    }
    
    #hamburger-toc:hover {
        color: #000;
    }

    #pdf-controls {
        /* Adjust gap slightly if needed */
        /* gap: 12px; */ 
    }

    #custom-toc-sidebar {
        /* Override previous mobile styles */
        width: 80%; 
        max-width: 300px; /* Limit width */
        height: 100%;
        position: fixed; /* Position relative to viewport */
        top: 0;
        left: 0;
        z-index: 1000;
        transform: translateX(-100%); /* Start hidden off-screen */
        transition: transform 0.3s ease-in-out;
        box-shadow: 2px 0 5px rgba(0,0,0,0.2);
        /* Remove order, max-height from previous mobile rule */
        order: initial;
        max-height: initial;
        overflow-y: auto; /* Ensure scrolling */
    }

    #custom-toc-sidebar.toc-mobile-visible {
        transform: translateX(0); /* Slide in */
    }

    #toc-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999; /* Below sidebar, above content */
        display: none; /* Hidden by default */
        opacity: 0;
        transition: opacity 0.3s ease-in-out;
    }

    #toc-overlay.visible {
        display: block;
        opacity: 1;
    }
    /* --- END ADDITION --- */
}

/* Add Font Face Rules */
@font-face {
  font-family: 'BazziFont';
  src: url('fonts/Bazzi.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DooriFont';
  src: url('fonts/Doori.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HafsFont';
  src: url('fonts/hafs-normal.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'QaloonFont';
  src: url('fonts/Qaloon.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'QunbulFont';
  src: url('fonts/Qunbul.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'ShoubaFont';
  src: url('fonts/Shouba.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'SoosiFont';
  src: url('fonts/Soosi.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'WarshFont';
  src: url('fonts/Warsh.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Styling for Readable Section Elements */
#rewayah-selector-container {
    margin-bottom: 15px;
}

#rewayah-selector-container label {
    margin-right: 10px;
}

.surah-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 15px;
    padding: 10px;
    border-radius: 5px;
    justify-items: center;
}

.surah-button {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    font-family: 'Changa';
    font-size: 14px;
    line-height: 1.925em;
    box-sizing: border-box;
    background-color: #ffffff;
    transition: all 0.3s ease 0s;
    text-decoration: none;
    outline: 0;
    border-radius: .475rem;
    border: solid 1px #dee2e6;
    color: #030726 !important;
    font-weight: 650;
    width: 100%;
    padding: .9rem;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    margin-bottom: 0;
    text-align: center;
    cursor: pointer;
}

.surah-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 17px -3px rgba(0,0,0,.12), 0 5px 8px -2px rgba(0,0,0,.07);
    border-color: #ced4da;
}

#surah-text-display-container {
    position: relative;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

/* ADDED: Styles for the navigation header container */
.surah-navigation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

/* Updated Styles for Surah Navigation Buttons */
.surah-nav-button {
    background-color: #f0f0f0;
    color: #333;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.surah-nav-button.prev {
    flex-direction: row;
}

.surah-nav-button.next {
    flex-direction: row-reverse;
}

.surah-nav-button .arrow {
    font-size: 1.2em;
    line-height: 1;
}

.surah-nav-button .surah-name {
    font-size: 0.8em;
    color: #666;
    font-family: 'Changa', sans-serif;
    text-align: center;
}

.surah-nav-button:hover {
    background-color: #e0e0e0;
    color: #000;
}

/* Styles for Back button (ensure consistency) */
#back-to-surah-select {
    padding: 8px 15px;
    cursor: pointer;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 4px;
    display: inline-block;
    margin: 0;
}

#back-to-surah-select:hover {
    background-color: #e0e0e0;
}

/* Adjust title position */
.surah-display-title {
    text-align: center;
    font-size: 1.1em;
    color: #555;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Styles for Basmala display (already centered) */
#basmala-display {
    text-align: center;
    font-size: 1.5em;
    margin-bottom: 25px;
    color: var(--text-color);
    line-height: 1.6; 
}

#surah-text-display {
    text-align: justify;
    font-size: 1.4em;
    line-height: 2.2;
    margin-top: 15px;
    color: var(--text-color);
}

/* Add specific styles for each Rewayah font application */
.font-bazzi #surah-text-display { font-family: 'BazziFont', var(--arabic-fallback-font); }
.font-doori #surah-text-display { font-family: 'DooriFont', var(--arabic-fallback-font); }
.font-hafs #surah-text-display { font-family: 'HafsFont', var(--arabic-fallback-font); }
.font-qaloon #surah-text-display { font-family: 'QaloonFont', var(--arabic-fallback-font); }
.font-qunbul #surah-text-display { font-family: 'QunbulFont', var(--arabic-fallback-font); }
.font-shouba #surah-text-display { font-family: 'ShoubaFont', var(--arabic-fallback-font); }
.font-soosi #surah-text-display { font-family: 'SoosiFont', var(--arabic-fallback-font); }
.font-warsh #surah-text-display { font-family: 'WarshFont', var(--arabic-fallback-font); }

/* Define fallback font variable (example) */
:root {
    --arabic-fallback-font: sans-serif;
}

/* ADD a specific font-face rule for the verse markers */
@font-face {
    font-family: 'ayah-marker-font';
    src: url('fonts/hafs-numbers-only.otf') format('opentype'); 
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* Apply the specific font ONLY to the verse markers within the display area */
#surah-text-display i,
#surah-text-display .verse-marker {
    font-family: 'ayah-marker-font';
    color: #008000;
    margin: 0 0.2em;
    font-style: normal;
    display: inline-block;
    font-size: 1.5em;
}

/* --- END ADDITION --- */

/* Validation Message Styling */
.validation-message {
    color: #dc3545;
    font-size: 0.875em;
    margin-top: 0.25rem;
    display: none;
}

/* Ensure it appears correctly within the flex container */
.selector-container.rewayah-selector {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* Styling for Rewayah Buttons (Replaces Selector) */
.selector-label[data-lang-key="selectRewayahLabel"] {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 1.2em;
    color: #4b5563;
}

html[dir="rtl"] .selector-label[data-lang-key="selectRewayahLabel"] {
    text-align: right;
}

/* Base styles for rewayah buttons */
.rewayah-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 15px;
    padding: 10px 0;
    width: 100%;
}

.rewayah-button {
    padding: 10px 18px;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s ease;
    font-family: 'Changa', sans-serif;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    color: #374151;
    text-align: center;
    width: 100%;
    order: 0; /* Default order */
}

.rewayah-button:hover {
    background-color: #f9fafb;
    border-color: #adb5bd;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
}

.rewayah-button.active {
    background-color: #3b82f6;
    color: white;
    border-color: #2563eb;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Set specific order for each rewayah button */
.rewayah-button[data-rewayah="hafs"] { order: 1; }
.rewayah-button[data-rewayah="warsh"] { order: 2; }
.rewayah-button[data-rewayah="qaloon"] { order: 3; }
.rewayah-button[data-rewayah="doori"] { order: 4; }
.rewayah-button[data-rewayah="soosi"] { order: 5; }
.rewayah-button[data-rewayah="bazzi"] { order: 6; }
.rewayah-button[data-rewayah="qunbul"] { order: 7; }
.rewayah-button[data-rewayah="shouba"] { order: 8; }

/* Adjust validation message position if needed */
#rewayah-validation-message {
    width: 100%;
    text-align: left;
}

html[dir="rtl"] #rewayah-validation-message {
    text-align: right;
}

/* Remove specific styles for the old container if they interfere */
.selector-container.rewayah-selector {
}

/* NEW Styles for Section Toggle */
.section-toggle {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
    background-color: #e9ecef;
    padding: 5px;
    border-radius: 8px;
}

.section-toggle .nav-button {
    flex-grow: 1;
    padding: 10px 15px;
    background-color: transparent;
    color: #495057;
    border: none;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
    width: auto;
}

html[dir="rtl"] .section-toggle .nav-button {
    font-family: 'Changa', sans-serif;
}

.section-toggle .nav-button:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: #212529;
}

.section-toggle .nav-button.active {
    background-color: #ffffff;
    color: #007bff;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#pdf-viewer-en {
    border: 1px solid #ddd; /* Optional: Add a border for visual separation */
    background-color: #fff; /* Ensure it has a background */
}

/* PDF.js Viewer Styles */
.pdf-viewer {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 15px;
}

/* ADDED: Styles for TOC Sidebar */
.pdf-toc-sidebar {
    width: 250px;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    order: -1;
    display: flex;
    flex-direction: column;
}

/* Style for buttons/headers in sidebar */
.pdf-sidebar-button,
.pdf-toc-sidebar h4 {
    display: block;
    width: 100%;
    padding: 10px 12px;
    text-align: center;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 4px;
    font-size: 0.95em;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.pdf-toc-sidebar h4 {
    margin-top: 0;
    margin-bottom: 10px;
    border-bottom: none;
    font-weight: bold;
    cursor: default;
}

.pdf-sidebar-button:hover,
.pdf-toc-sidebar h4:not(.active) {
    background-color: #f0f0f0;
}

/* Active state for sidebar buttons/headers */
.pdf-sidebar-button.active,
.pdf-toc-sidebar h4.active {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
    font-weight: bold;
    cursor: default;
}

#custom-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    overflow-y: auto;
}

#custom-toc-list li {
    margin-bottom: 8px;
}

#custom-toc-list a {
    text-decoration: none;
    color: #007bff;
    font-size: 0.95em;
    cursor: pointer;
    line-height: 1.6;
}

#custom-toc-list a:hover {
    text-decoration: underline;
}

/* Styles for nested lists */
#custom-toc-list ul {
    padding-left: 20px;
    margin-top: 5px;
}
/* END TOC Styles */

/* ADDED: Container for main viewer area (controls + canvas) */
.pdf-viewer-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.pdf-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background-color: #f0f0f0;
    border-radius: 5px;
    margin-bottom: 10px;
    width: fit-content;
}

.pdf-controls button {
    padding: 5px 10px;
    font-size: 1em;
    cursor: pointer;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius: 3px;
}

.pdf-controls button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.pdf-controls span {
    font-size: 0.9em;
    color: #333;
    display: inline-flex;
    align-items: center;
}

/* Added style for page input */
.pdf-page-input {
    width: 50px;
    padding: 3px 5px;
    margin: 0 5px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.pdf-canvas-container {
    width: 100%;
    border: 1px solid #ccc;
    background-color: #fff;
    overflow: auto;
}

#pdf-canvas {
    display: block;
    width: 100%;
    height: auto;
}

/* ADDED: Style for Download Button */
.pdf-download-button {
    padding: 8px 15px;
    font-size: 0.9em;
    cursor: pointer;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    margin-top: 5px;
    transition: background-color 0.2s ease;
}

.pdf-download-button:hover {
    background-color: #218838;
}

.pdf-download-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    opacity: 0.7;
}
/* END Download Button Style */

/* --- END PDF.js Viewer Styles --- */

/* Add margin top to glossary button */
#glossary-button {
    margin-top: 10px;
}

/* Add margin top to h4 */
.pdf-toc-sidebar h4 {
    margin-top: 0;
    margin-bottom: 10px;
    border-bottom: none;
}

/* Style for disabled TOC links */
.toc-link-disabled {
    color: #999 !important; 
    cursor: default !important;
    text-decoration: none !important;
}

#custom-toc-list ul {
    list-style: none;
    padding-left: 15px; /* Indent sub-items */
}