@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Devanagari:wght@400;500;700&family=Poppins:wght@400;600;700&display=swap');

:root {
--primary-color: #4A90E2;
--secondary-color: #F5A623;
--success-color: #28a745;
--danger-color: #dc3545;
--warning-color: #ffc107;
--info-color: #17a2b8;
--dark-color: #2c3e50;
--light-color: #f9f9f9;
--grey-color: #6c757d;
--background-color: #f4f7f9;
--card-background: #ffffff;
--font-family: 'Noto Sans Devanagari', 'Roboto', sans-serif;
--heading-font: 'Poppins', sans-serif;
--border-color: #e0e0e0;
}

body, html {
margin: 0;
padding: 0;
font-family: var(--font-family);
line-height: 1.7;
color: var(--dark-color);
background-color: var(--background-color);
scroll-behavior: smooth;
}

.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}

.section-padding { padding: 80px 0; }

.section-title {
text-align: center;
font-size: 2.5rem;
font-family: var(--heading-font);
margin-bottom: 50px;
position: relative;
color: var(--dark-color);
}
.section-title::after {
content: '';
width: 80px;
height: 4px;
background: var(--primary-color);
position: absolute;
bottom: -15px;
left: 50%;
transform: translateX(-50%);
}

/* --- 3. Navbar & Header --- */
.navbar {
background-color: var(--card-background);
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
padding: 1rem 0;
position: sticky;
top: 0;
z-index: 1000;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 700; font-family: var(--heading-font); color: var(--primary-color); text-decoration: none; }
.logo span { color: var(--secondary-color); }
.nav-links { list-style: none; display: flex; margin: 0; padding: 0; align-items: center; }
.nav-links li { margin-left: 25px; }
.nav-links a { text-decoration: none; color: var(--dark-color); font-weight: 500; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--primary-color); }
.hamburger-menu { display: none; font-size: 1.5rem; cursor: pointer; }

.hero { background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1507925921958-8a62f3d1a50d?auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover; color: #fff; text-align: center; padding: 120px 0; }
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; }

.cta-button, .btn-primary, .btn-info, .btn-danger, .btn-google, .selection-btn, .btn-secondary, .btn-warning {
display: inline-block; padding: 12px 28px; border-radius: 8px; /* Slightly more rounded / text-decoration: none;
font-weight: 600; cursor: pointer; border: none; transition: all 0.3s ease; / Smoother transition /
font-size: 1rem; color: white; margin: 5px;
}
.cta-button:hover, .btn-primary:hover, .btn-info:hover, .btn-danger:hover, .btn-google:hover, .selection-btn:hover {
transform: translateY(-3px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); / Softer hover shadow */
}

.btn-primary { background-color: var(--primary-color); }
.btn-danger { background-color: var(--danger-color); }
.btn-info { background-color: var(--info-color); }
.btn-google { background-color: #DB4437; width: 100%; }
.cta-button { background-color: var(--secondary-color); }
.btn-secondary { background-color: var(--grey-color); }
.btn-warning { background-color: var(--warning-color); color: #212529; }

.input-group { margin-bottom: 15px; }
.input-group label { display: block; margin-bottom: 5px; font-weight: 600; }
.input-group input { width: 95%; padding: 12px; font-size: 16px; border: 1px solid #ccc; border-radius: 4px; }
#auth-error { color: var(--danger-color); text-align: center; margin-bottom: 15px; min-height: 20px; }
.auth-toggle { text-align: center; margin-top: 15px; cursor: pointer; color: var(--primary-color); }

.exam-selection-menu, .quiz-type-menu, .quiz-submenu-container, .ca-quiz-menu {
max-width: 900px;
margin: 30px auto;
padding: 30px 40px;
border-radius: 12px;
background-color: var(--card-background);
box-shadow: 0 4px 20px rgba(0,0,0,0.08);
text-align: center;
}

#quiz-type-title, #submenu-title {
font-family: var(--heading-font);
font-size: 2rem;
color: var(--dark-color);
margin-bottom: 30px;
padding-bottom: 15px;
position: relative;
display: inline-block;
}

#quiz-type-title::after, #submenu-title::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 4px;
background-color: var(--primary-color);
border-radius: 2px;
}

#exam-buttons-container,
#quiz-type-buttons-container,
#submenu-selection-container {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
margin-top: 20px;
}

.selection-btn {
text-align: left;
display: flex;
align-items: center;
position: relative;
overflow: hidden;
padding: 16px 20px;
font-size: 1rem;
font-weight: 500;
border: 2px solid transparent;
background-color: #f8f9fa;
color: var(--dark-color);
}

.selection-btn:hover {
border-color: var(--primary-color);
background-color: #eef2f7;
}

.selection-btn::before {
margin-right: 15px;
font-size: 1.3rem;
width: 24px;
text-align: center;
color: var(--primary-color);
}

.selection-btn::after {
content: '→';
position: absolute;
right: 20px;
font-size: 1.5rem;
color: var(--primary-color);
opacity: 0.6;
transition: all 0.3s ease;
}

.selection-btn:hover::after {
right: 15px;
opacity: 1;
}

.question-item.correct-answer {
background-color: var(--success-color);
color: white;
border-color: var(--success-color);
}

.question-item.wrong-answer {
background-color: var(--danger-color);
color: white;
border-color: var(--danger-color);
}

.question-item.unattempted {
background-color: var(--grey-color);
color: white;
border-color: var(--grey-color);
}

.question-item.active {
background-color: var(--primary-color) !important;
color: white !important;
border: 2px solid var(--dark-color) !important;
transform: scale(1.1);
}

button[onclick^="showQuizTypeMenu"]::before { content: '🎓'; }
button[onclick="showSubMenu('pyq')"]::before { content: '📜'; }
button[onclick="showSubMenu('mock')"]::before { content: '📝'; }
button[onclick="showSubMenu('subject')"]::before { content: '📚'; }
button[onclick="showSubMenu('daily')"]::before { content: '📅'; }
button[onclick="showSubMenu('ca')"]::before { content: '📰'; }
button[onclick^="showChapterMenu"]::before { content: '📖'; color: var(--info-color); }
button[onclick^="startQuizWrapper"]::before { content: '▶️'; color: var(--success-color); }

#quiz-form-container { position: relative; padding-bottom: 80px; background: var(--card-background); box-shadow: 0 4px 15px rgba(0,0,0,0.08); border-radius: 8px; }
#quiz-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; border-bottom: 1px solid #eee; padding: 20px; }
.quiz-meta { text-align: right; }
#quiz-info { font-size: 0.9rem; color: var(--grey-color); margin-bottom: 5px; }
#timer { font-size: 1.5rem; font-weight: bold; color: var(--primary-color); }
#questions-container { padding: 20px; }
.question { margin-bottom: 25px; }
.options label { display: block; background-color: #f8f9fa; margin-bottom: 10px; border: 1px solid #ddd; border-radius: 5px; padding: 12px; cursor: pointer; transition: background-color 0.2s, border-color 0.2s; }
.options label:hover { background-color: #e9ecef; }
.options label.correct { background-color: #d4edda; border-color: var(--success-color); }
.options label.wrong { background-color: #f8d7da; border-color: var(--danger-color); }
.explanation { background-color: #eef2f7; padding: 15px; margin-top: 15px; border-left: 4px solid var(--info-color); }

.toggle-button { position: fixed; top: 80px; right: 20px; background-color: var(--primary-color); color: white; padding: 8px 12px; border-radius: 50px; cursor: pointer; z-index: 1010; border: none; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
.sidebar { position: fixed; top: 0; right: -320px; width: 300px; height: 100%; background-color: #ffffff; transition: right 0.3s ease; overflow-y: auto; z-index: 1005; padding: 20px; box-sizing: border-box; box-shadow: -2px 0 5px rgba(0,0,0,0.1); }
.sidebar.open { right: 0; }
.question-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.question-item { border: 1px solid #ccc; border-radius: 50%; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-weight: bold; transition: background-color 0.2s, color 0.2s; }
.question-item.active { background-color: var(--primary-color); color: white; border-color: var(--primary-color); }
.question-item.attempted { background-color: var(--success-color); color: white; border-color: var(--success-color); }
.question-item.marked { background-color: var(--warning-color); color: #212529; border-color: var(--warning-color); }

.buttons-container { display: flex; justify-content: space-between; align-items: center; gap: 10px; position: absolute; bottom: 0; left: 0; width: 100%; background-color: #f1f1f1; padding: 15px 20px; border-top: 1px solid #ccc; box-sizing: border-box; border-radius: 0 0 8px 8px; }
.buttons-container button, .buttons-container > div { flex: 1; text-align: center; }
.buttons-container > div { display: flex; justify-content: center; gap: 10px; }

#result-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; text-align: center; margin: 30px 0; }
.summary-item { padding: 20px; border-radius: 8px; color: white; }
.summary-item h3 { margin: 0 0 10px 0; font-size: 1rem; text-transform: uppercase; opacity: 0.9; }
.summary-item p { font-size: 2em; font-weight: bold; margin: 0; }
.score { background-color: var(--primary-color); } .correct { background-color: var(--success-color); }
.wrong { background-color: var(--danger-color); } .unattempted { background-color: var(--grey-color); }
.accuracy { background-color: #6f42c1; }
#pieChartContainer { max-width: 250px; margin: 20px auto; }
#result-actions { text-align: center; margin-top: 30px; }

.profile-card { display: flex; align-items: center; background-color: #f8f9fa; padding: 20px; border-radius: 8px; border: 1px solid #e9ecef; margin-bottom: 20px; }
.profile-avatar { width: 80px; height: 80px; border-radius: 50%; background-color: var(--primary-color); color: white; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; font-weight: bold; margin-right: 20px; flex-shrink: 0; }
.profile-info h2 { margin: 0 0 5px 0; font-family: var(--heading-font); }
.profile-info p { margin: 0; color: var(--grey-color); }
.profile-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; text-align: center; margin-bottom: 20px; }
.stat-item { background-color: #f8f9fa; padding: 15px; border-radius: 8px; }
.stat-item .stat-value { font-size: 2rem; font-weight: bold; color: var(--primary-color); }
.stat-item .stat-label { font-size: 0.9rem; color: var(--grey-color); }
.history-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.history-table th, .history-table td { border: 1px solid #ddd; padding: 10px; text-align: left; }
.history-table th { background-color: #f2f2f2; }

.leaderboard-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.leaderboard-table th, .leaderboard-table td { border: 1px solid #ddd; padding: 12px; text-align: center; }
.leaderboard-table th { background-color: #f2f2f2; }
.leaderboard-table tr:nth-child(even) { background-color: #f9f9f9; }
.leaderboard-table .rank-1, .leaderboard-table .rank-2, .leaderboard-table .rank-3 { font-weight: bold; }
.leaderboard-table .current-user { background-color: #e7f3ff; border: 2px solid var(--primary-color); }
.fa-medal { margin-right: 5px; }
.gold { color: #FFD700; }
.silver { color: #C0C0C0; }
.bronze { color: #CD7F32; }

.calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.calendar-header select, .calendar-header button { padding: 5px 10px; font-size: 1rem; }
.calendar-table { width: 100%; border-collapse: collapse; text-align: center; }
.calendar-table th { padding: 10px; background-color: #f2f2f2; }
.calendar-table td { padding: 12px; border: 1px solid #e9e9e9; }
.date-cell.has-quiz { background-color: #e7f3ff; font-weight: bold; color: var(--primary-color); cursor: pointer; border-radius: 50%; }
.date-cell.today { border: 2px solid var(--success-color); border-radius: 50%; }
.articles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.article-card { background: #fff; box-shadow: 0 4px 15px rgba(0,0,0,0.1); border-radius: 8px; overflow: hidden; transition: transform 0.3s ease; }
.article-card:hover { transform: translateY(-10px); }
.article-card img { width: 100%; height: 200px; object-fit: cover; }
.article-content { padding: 20px; }
.article-date { font-size: 0.8em; color: #666; margin-bottom: 5px; }
.article-content h3 { font-family: var(--heading-font); margin-top: 0; }
.article-content a { display: inline-block; margin-top: 15px; text-decoration: none; color: var(--primary-color); font-weight: bold; }

.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); }
.modal-content { background-color: #fefefe; margin: 10% auto; padding: 30px; border: 1px solid #888; width: 80%; max-width: 700px; border-radius: 10px; position: relative; animation: fadeIn 0.5s; }
.close-btn { color: #aaa; position: absolute; top: 10px; right: 25px; font-size: 35px; font-weight: bold; cursor: pointer; }
.close-btn:hover, .close-btn:focus { color: black; }
@keyframes fadeIn { from {opacity: 0;} to {opacity: 1;} }
#modalBody b { font-weight: bold; display: block; margin-top: 1em; font-size: 1.1em; }

@media (max-width: 768px) {
.nav-links { display: none; flex-direction: column; width: 100%; position: absolute; top: 70px; left: 0; background-color: #fff; text-align: center;}
.nav-links.active { display: flex; }
.nav-links li { margin: 15px 0; }
.hamburger-menu { display: block; }
.hero h1 { font-size: 2.2rem; }
.section-title { font-size: 2rem; }
.profile-card { flex-direction: column; text-align: center; }
.profile-avatar { margin-right: 0; margin-bottom: 15px; }

code
Code

.buttons-container {
    padding: 10px;
    gap: 8px;
}
.buttons-container button {
    padding: 12px 5px;
    font-size: 0.9rem;
}


.exam-selection-menu, .quiz-type-menu, .quiz-submenu-container, .ca-quiz-menu {
    padding: 20px;
}
#quiz-type-title, #submenu-title {
    font-size: 1.5rem;
}

}

.search-container {
position: relative;
width: 300px;
}

#search-input {
width: 100%;
padding: 10px 40px 10px 15px;
border-radius: 50px;
border: 1px solid var(--border-color);
font-size: 0.9rem;
font-family: var(--font-family);
transition: all 0.3s ease;
}

#search-input:focus {
outline: none;
border-color: var(--primary-color);
box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.search-icon {
position: absolute;
right: 15px;
top: 50%;
transform: translateY(-50%);
color: var(--grey-color);
}

.search-results-container {
max-width: 800px;
margin: 10px auto;
background-color: var(--card-background);
border-radius: 8px;
box-shadow: 0 5px 20px rgba(0,0,0,0.1);
max-height: 400px;
overflow-y: auto;
z-index: 999;
}

.search-result-item {
display: block;
padding: 15px 20px;
text-decoration: none;
color: var(--dark-color);
border-bottom: 1px solid var(--border-color);
transition: background-color 0.2s ease;
}

.search-result-item:last-child {
border-bottom: none;
}

.search-result-item:hover {
background-color: #f4f7f9;
}

.result-type {
display: inline-block;
padding: 2px 8px;
font-size: 0.7rem;
font-weight: bold;
border-radius: 4px;
margin-right: 10px;
color: white;
}

.result-type-quiz { background-color: var(--primary-color); }
.result-type-article { background-color: var(--success-color); }

.no-results {
padding: 20px;
text-align: center;
color: var(--grey-color);
}

a.logo {
display: flex;
align-items: center;
gap: 10px;
text-decoration: none;
font-size: 1.8rem;
font-weight: 700;
font-family: var(--heading-font);

}

a.logo .logo-icon {
height: 40px;
width: auto;
}

a.logo .logo-text {

color: var(--primary-color);

}

a.logo .logo-text .logo-text-highlight {


color: var(--secondary-color) !important;

}

@media (max-width: 768px) {
a.logo .logo-icon {
height: 35px;
}
a.logo .logo-text {
font-size: 1.5rem;
}
}

.site-footer {
background-color: var(--dark-color);
color: rgba(255, 255, 255, 0.7);
padding: 60px 0 20px 0;
margin-top: 60px;
border-top: 5px solid var(--primary-color);
}

.footer-content {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 40px;
padding-bottom: 40px;
}

.footer-column h3 {
font-family: var(--heading-font);
color: #ffffff;
font-size: 1.2rem;
margin-bottom: 20px;
position: relative;
padding-bottom: 10px;
}

.footer-column h3::after {
content: '';
position: absolute;
left: 0;
bottom: 0;
width: 40px;
height: 2px;
background-color: var(--secondary-color);
}

.footer-about .logo {
margin-bottom: 15px;
}

.footer-about .about-text {
font-size: 0.9rem;
line-height: 1.8;
}

.footer-links ul {
list-style: none;
padding: 0;
margin: 0;
}

.footer-links ul li {
margin-bottom: 12px;
}

.footer-links ul a {
text-decoration: none;
color: rgba(255, 255, 255, 0.7);
transition: all 0.3s ease;
}

.footer-links ul a:hover {
color: #ffffff;
padding-left: 5px;
}

.social-icons {
display: flex;
gap: 15px;
margin-top: 20px;
}

.social-icon {
display: inline-flex;
align-items: center;
justify-content: center;
width: 40px;
height: 40px;
border-radius: 50%;
background-color: rgba(255, 255, 255, 0.1);
color: #ffffff;
text-decoration: none;
font-size: 1rem;
transition: all 0.3s ease;
}

.social-icon:hover {
background-color: var(--primary-color);
transform: translateY(-3px);
}

.footer-bottom {
text-align: center;
padding-top: 20px;
border-top: 1px solid rgba(255, 255, 255, 0.1);
font-size: 0.9rem;
}
.hidden-during-quiz {
display: none !important;
}