api/static/css/style.css

/* Base Styles & Theme Variables */
:root {
    /* Light theme */
    --background-color: #f8f9fa;
    --text-color: #212529;
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --muted-color: #95a5a6;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --footer-bg: #f1f1f1;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --block-bg: #f8f9fa;
    --block-border: 1px solid #dee2e6;
    --input-bg: #ffffff;
    --btn-primary-bg: var(--primary-color);
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: #6c757d;
    --btn-secondary-text: #ffffff;
    --modal-bg: #ffffff;
    --sidebar-bg: #ffffff; /* Added for consistency */
    --sidebar-border: #dee2e6; /* Added */
    --sidebar-hover-bg: rgba(52, 152, 219, 0.1); /* Added */
}

[data-theme="dark"] {
    /* Dark theme */
    --background-color: #121212;
    --text-color: #e0e0e0;
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --muted-color: #95a5a6;
    --border-color: #333333;
    --card-bg: #1e1e1e;
    --header-bg: #1a1a1a;
    --footer-bg: #1a1a1a;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    --hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    --block-bg: #1e1e1e;
    --block-border: 1px solid #333333;
    --input-bg: #2c2c2c;
    --btn-primary-bg: var(--primary-color);
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: #555555;
    --btn-secondary-text: #ffffff;
    --modal-bg: #1e1e1e;
    --sidebar-bg: #1e1e1e; /* Added for dark theme */
    --sidebar-border: #333333; /* Added */
    --sidebar-hover-bg: rgba(52, 152, 219, 0.2); /* Slightly different hover for dark */
}

/* General Styles */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Roboto', 'Segoe UI', 'Arial', sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Header Styles */
.main-header {
    background-color: var(--header-bg);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1030; /* Ensure header is above general content but below modals/sidebars if needed */
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* MODIFIED: Header Container Layout */
.header-container {
    display: flex;
    align-items: center;
    /* Removed justify-content: space-between; to accommodate burger */
}

/* NEW: Burger Menu Button */
.burger-menu-button {
    background: none;
    border: none;
    font-size: 1.8rem; /* Match site title size */
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    margin-right: 1rem; /* Space between burger and title */
    line-height: 1;
    transition: color 0.3s ease;
}

.burger-menu-button:hover {
    color: var(--primary-color);
}

/* MODIFIED: Site Title Layout */
.site-title {
    flex-grow: 1; /* Allow title to take available space */
    text-align: center; /* Center title between burger and actions */
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0; /* Remove default margins */
}

.site-title a {
    color: var(--text-color);
    text-decoration: none;
}

/* Header Actions (Theme toggle, Admin) - Ensure they stay aligned */
.header-actions {
    display: flex;
    align-items: center;
    margin-left: 1rem; /* Space between title and actions */
}


/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.5rem;
    padding: 0.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(15deg);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0; /* Maintain padding for content area */
    /* Removed container adjustments, rely on bootstrap's container inside */
}


/* --- NEW: Sidebar Styles --- */

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent black */
    z-index: 1040; /* Below sidebars, above content */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Sidebar Base Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0; /* Both sidebars originate from the left */
    width: 300px; /* Default width, adjust as needed */
    height: 100%;
    background-color: var(--sidebar-bg); /* Use theme variable */
    box-shadow: var(--shadow);
    z-index: 1050; /* Above overlay */
    display: flex;
    flex-direction: column;
    transform: translateX(-100%); /* Initially hidden off-screen to the left */
    transition: transform 0.3s ease-in-out;
    border-right: 1px solid var(--sidebar-border); /* Use theme variable */
}

.sidebar.active {
    transform: translateX(0); /* Slide in from the left */
}

/* Sidebar Header */
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--sidebar-border); /* Use theme variable */
    background-color: var(--header-bg); /* Optional: Match header background */
    flex-shrink: 0; /* Prevent header from shrinking */
}

.sidebar-header h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    flex-grow: 1; /* Allow title to take space */
    margin-left: 10px; /* Space after back button if present */
    overflow: hidden; /* Prevent long titles from breaking layout */
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* Sidebar Back and Close Buttons */
.sidebar-back-button,
.close-sidebar-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--muted-color);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.2s ease;
}
.sidebar-back-button:hover,
.close-sidebar-btn:hover {
    color: var(--text-color);
}

/* Sidebar List (Matières & Sous-catégories) */
.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1; /* Take remaining vertical space */
    overflow-y: auto; /* Enable vertical scrolling for long lists */
    overflow-x: hidden; /* Prevent horizontal scrollbars */
}

.sidebar-list li {
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    border-bottom: 1px solid var(--sidebar-border); /* Use theme variable */
    transition: background-color 0.2s ease;
    display: flex;
    justify-content: space-between; /* Push icon to the right */
    align-items: center;
    white-space: nowrap; /* Prevent text wrapping */
}

.sidebar-list li:last-child {
    border-bottom: none; /* Remove border from last item */
}

.sidebar-list li:hover {
    background-color: var(--sidebar-hover-bg); /* Use theme variable */
}

.sidebar-list li i.fa-chevron-right,
.sidebar-list li i.fa-arrow-left { /* Style for icons inside list items */
    color: var(--muted-color);
    font-size: 0.9em;
    margin-left: 0.5rem; /* Space between text and icon */
}

/* Optional: Style for active/selected item in sidebar */
.sidebar-list li.active {
    background-color: var(--primary-color);
    color: white;
}
.sidebar-list li.active i { /* Make icon white too */
    color: white;
}


/* --- End of Sidebar Styles --- */


/* NEW: Initial Instructions Area */
.initial-instructions {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-top: 2rem; /* Adjust as needed */
    text-align: center; /* Center content */
}

/* --- Original Styles (with minor adjustments if needed) --- */

/* Flash Messages Container */
.flash-container {
    position: relative; /* Keep in normal flow */
    z-index: 100; /* Below header but above main content */
}

/* Subject Selection Cards (Original - No longer used on index, but might be elsewhere) */
.subject-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    cursor: pointer;
}

.subject-card:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-5px);
}

.subject-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-color);
}

/* Subject Color-Coding */
.subject-indicator {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Content Blocks Styling (Used in Content Display Section) */
.content-block {
    background-color: var(--block-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: var(--block-border);
    transition: box-shadow 0.3s ease;
    overflow: hidden; /* Prevent content spill */
    /* border-left: 4px solid transparent; -> Now handled dynamically by JS or remove if not needed */
}

.content-block:hover {
    box-shadow: var(--hover-shadow);
}

.content-block-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-color);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color); /* Default color, JS might override */
}

.content-block-content {
    line-height: 1.7;
}

/* Image positioning styles */
.block-with-image {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

.block-with-image.image-left { flex-direction: row; }
.block-with-image.image-right { flex-direction: row-reverse; }
.block-with-image.image-top { flex-direction: column; }

.block-image-container {
    flex: 0 0 auto;
    max-width: 30%; /* Default max width for side images */
    margin-bottom: 1rem; /* Spacing below image if wrapped */
}

.block-with-image.image-top .block-image-container {
    max-width: 100%; /* Full width for top images */
    margin-bottom: 1.5rem;
}

.block-image {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: var(--shadow);
    display: block; /* Prevent extra space below image */
}

.block-content-container {
    flex: 1; /* Take remaining space */
    min-width: 60%; /* Ensure text has enough space on wider screens */
}

/* Category Selection UI (Original - No longer used on index) */
.selection-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.selection-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.selection-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.selection-item {
    padding: 0.5rem 0.8rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.selection-item:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.selection-item.active {
    background-color: var(--primary-color);
    color: white;
}

/* Content Viewer (Container for title and blocks) */
.content-viewer {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.content-title {
    font-size: 2rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color); /* Default color, JS might override */
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: all 0.15s ease-in-out;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-bg); /* Added for consistency */
}

.btn-primary:hover {
    background-color: #2980b9; /* Darken primary */
    border-color: #2980b9;
    color: white;
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: var(--btn-secondary-bg); /* Added for consistency */
}

.btn-secondary:hover {
    background-color: #5a6268; /* Darken secondary */
    border-color: #5a6268;
    color: white;
}

/* Form Elements */
input, select, textarea {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    width: 100%;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group {
    margin-bottom: 1.5rem;
}

/* Footer */
.main-footer {
    background-color: var(--footer-bg);
    padding: 2rem 0;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
    margin-top: auto; /* Push footer to bottom */
    flex-shrink: 0; /* Prevent footer from shrinking */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem; /* Add gap for wrapping */
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0; /* Reset margin */
    display: flex;
    flex-wrap: wrap; /* Allow links to wrap */
    gap: 1.5rem;
}

.feedback-form {
    margin-top: 1rem;
    max-width: 400px; /* Limit width of feedback form */
}

.feedback-title {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

/* Admin specific styles (Keep if used on other pages) */
.admin-container { /* ... Keep original ... */ }
.admin-title { /* ... Keep original ... */ }
.admin-sidebar { /* ... Keep original ... */ }
.admin-nav { /* ... Keep original ... */ }
.admin-nav-item { /* ... Keep original ... */ }
.admin-nav-link { /* ... Keep original ... */ }
.admin-nav-link i { /* ... Keep original ... */ }
.admin-card { /* ... Keep original ... */ }
.admin-card-title { /* ... Keep original ... */ }
.admin-stat { /* ... Keep original ... */ }

/* Editor styles (Keep if used on other pages) */
.editor-container { /* ... Keep original ... */ }
.block-editor { /* ... Keep original ... */ }
.block-editor-header { /* ... Keep original ... */ }
.block-editor-title { /* ... Keep original ... */ }
.block-editor-actions { /* ... Keep original ... */ }
.block-handle { /* ... Keep original ... */ }
.image-preview { /* ... Keep original ... */ }
.image-gallery { /* ... Keep original ... */ }
.gallery-item { /* ... Keep original ... */ }
.gallery-image { /* ... Keep original ... */ }
.gallery-image-select { /* ... Keep original ... */ }

/* Login screen (Keep if used) */
.login-container { /* ... Keep original ... */ }
.login-logo { /* ... Keep original ... */ }
.login-title { /* ... Keep original ... */ }

/* Responsive design adjustments */
@media (max-width: 992px) {
    /* No change needed here if using Bootstrap's container correctly */
}

@media (max-width: 768px) {
    /* Content Block Images: Stack vertically */
    .block-with-image {
        flex-direction: column !important; /* Force column layout */
    }
    .block-image-container {
        max-width: 100%; /* Image takes full width */
        margin-bottom: 1.5rem; /* Space below image */
    }
    .block-content-container {
        min-width: 100%; /* Text takes full width */
    }

    /* Sidebar width adjustment */
    .sidebar {
        width: 85%; /* Make sidebar wider on mobile */
        max-width: 320px; /* Optional: Set a max width */
    }

    /* Optional: Adjust header layout on smaller screens */
    .site-title {
        font-size: 1.5rem; /* Slightly smaller title */
        text-align: left; /* Align title next to burger */
        margin-left: 0.5rem; /* Adjust spacing */
    }

    .header-actions {
        margin-left: auto; /* Push actions to the right */
    }
}


@media (max-width: 576px) {
    .subject-card { /* Style for cards if used elsewhere */
        padding: 1rem;
    }

    .content-viewer {
        padding: 1.5rem; /* Less padding inside content area */
    }

    .admin-container {
        padding: 1.5rem;
    }

    .content-title {
        font-size: 1.6rem; /* Smaller main title */
    }

    .footer-content {
        flex-direction: column; /* Stack footer sections */
        align-items: center;
        text-align: center;
    }
    .footer-links {
        justify-content: center; /* Center footer links */
        margin-top: 0.5rem;
    }
    .feedback-form {
        width: 100%; /* Full width feedback form */
        margin-top: 1.5rem;
    }
}

/* Animation keyframes (Keep original) */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in forwards; /* Added forwards to keep state */
}

@keyframes slideInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in-up {
    animation: slideInUp 0.5s ease-out forwards; /* Added forwards */
}

/* Utility classes (Keep original) */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }
.ms-2 { margin-left: 0.5rem !important; } /* Bootstrap utility */
.float-end { float: right !important; } /* Bootstrap utility */
.d-none { display: none !important; } /* Bootstrap utility */


/* Alert Styles (Keep original) */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border: 1px solid transparent; /* Base border */
}

.alert-dismissible .btn-close {
    padding: 1.25rem 1rem; /* Adjust close button padding */
}

.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}
[data-theme="dark"] .alert-success {
    color: #75b798;
    background-color: #192c23;
    border-color: #254134;
}

.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}
[data-theme="dark"] .alert-danger {
    color: #ea868f;
    background-color: #341a1d;
    border-color: #50272c;
}

.alert-warning {
    color: #664d03;
    background-color: #fff3cd;
    border-color: #ffecb5;
}
[data-theme="dark"] .alert-warning {
    color: #ffda6a;
    background-color: #33270a;
    border-color: #4d3b0f;
}

.alert-info {
    color: #055160;
    background-color: #cff4fc;
    border-color: #b6effb;
}
[data-theme="dark"] .alert-info {
    color: #6edff6;
    background-color: #0f2d36;
    border-color: #164350;
}