@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700&display=swap');

/* CSS Variables for Theme Colors and Font */
:root {
    --primary-green: #0F6E56;
    --light-green: #1D9E75;
    --gold-orange: #EF9F27;
    --dark-green: #085041;

    --text-color-dark: #333;
    --text-color-medium: #555;
    --text-color-light: #666;
    --bg-light-neutral: #f4f7f6;
    --bg-white: #fff;
    --border-light: #e0e0e0;
    --border-medium: #ddd;
    --shadow-light: rgba(0,0,0,0.05);
    --shadow-medium: rgba(0,0,0,0.1);

    --font-family-primary: 'Nunito', sans-serif;
}

/* Dark Mode Overrides */
.dark-theme {
    --text-color-dark: #f0f0f0;
    --text-color-medium: #d0d0d0;
    --text-color-light: #b0b0b0;
    --bg-light-neutral: #121212;
    --bg-white: #1e1e1e;
    --border-light: #333;
    --border-medium: #444;
    --shadow-light: rgba(0,0,0,0.4);
    --shadow-medium: rgba(0,0,0,0.6);
    
    /* Override dark colors that are hard to see on dark backgrounds */
    --dark-green: #2ecc71; /* Brighter green for readability */
    --primary-green: #27ae60;
}

.dark-theme body {
    background-color: var(--bg-light-neutral);
    color: var(--text-color-dark);
}

.dark-theme .hero-section {
    background-color: rgba(46, 204, 113, 0.05);
}

.dark-theme .option-item {
    background-color: #252525;
    border-color: #444;
}

.dark-theme .option-item:hover {
    background-color: #2a2a2a;
    border-color: var(--light-green);
}

.dark-theme .option-item span {
    color: var(--text-color-dark);
}

.dark-theme .answer-explanation {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: var(--light-green);
}

.dark-theme .answer-explanation p,
.dark-theme .answer-explanation strong {
    color: var(--text-color-dark);
}

.dark-theme .search-bar input {
    background-color: #252525;
    color: #f0f0f0;
    border-color: #444;
}

.dark-theme .search-bar button {
    background-color: #333;
    color: #ccc;
}

.dark-theme .header {
    background-color: #1a1a1a;
    border-bottom-color: #333;
}

.dark-theme .exam-card,
.dark-theme .section-card,
.dark-theme .exam-detail-hero,
.dark-theme .question-section {
    background-color: #1e1e1e;
    border-color: #333;
}

/* Theme Toggle Styles */
.theme-toggle {
    margin-right: 15px;
}

.theme-btn {
    background: none;
    border: 1px solid var(--border-light);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    color: var(--text-color-medium);
    transition: all 0.3s ease;
}

.theme-btn:hover {
    border-color: var(--light-green);
    color: var(--light-green);
}

.theme-btn .fa-sun { display: none; }
.dark-theme .theme-btn .fa-moon { display: none; }
.dark-theme .theme-btn .fa-sun { display: inline-block; }

/* General Body and Container Styles */
body {
    font-family: var(--font-family-primary);
    margin: 0;
    padding: 0;
    background-color: var(--bg-light-neutral);
    color: var(--text-color-dark);
    line-height: 1.6;
    /* Content Protection: Disable text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Prevent print screen/printing of content */
@media print {
    body { display: none !important; }
}

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

/* Header Styles */
.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 15px 0;
    box-shadow: 0 2px 4px var(--shadow-light);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color-medium);
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--light-green);
}

.header-actions {
    display: flex;
    align-items: center;
}

/* Language Switcher Styles */
.language-switcher {
    position: relative;
    margin-right: 15px;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border-light);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-family-primary);
    font-size: 14px;
    color: var(--text-color-medium);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--light-green);
    color: var(--light-green);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 5px;
    box-shadow: 0 4px 12px var(--shadow-medium);
    list-style: none;
    padding: 10px 0;
    margin: 10px 0 0 0;
    min-width: 150px;
    display: none;
    z-index: 1000;
}

.lang-dropdown.show {
    display: block;
}

.lang-dropdown li {
    padding: 8px 20px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s ease;
}

.lang-dropdown li:hover {
    background: var(--bg-light-neutral);
    color: var(--light-green);
}

/* Hide the default Google Translate bar */
.goog-te-banner-frame.skiptranslate, .goog-te-gadget-icon {
    display: none !important;
}
body {
    top: 0px !important;
}
.goog-te-gadget {
    color: transparent !important;
}
#google_translate_element {
    display: none;
}

.search-bar {
    display: flex;
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    margin-right: 15px;
}

.search-bar input {
    border: none;
    padding: 8px 12px;
    outline: none;
    font-size: 14px;
}

.search-bar button {
    background-color: var(--bg-light-neutral);
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-color-medium);
    transition: background-color 0.3s ease;
}

.search-bar button:hover {
    background-color: #eee;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background-color: var(--light-green);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--dark-green);
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-large {
    padding: 12px 25px;
    font-size: 17px;
}

.btn.disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

/* Main Content Area */
.main-content {
    padding: 30px 0;
}

/* Hero Section */
.hero-section {
    background-color: rgba(29, 158, 117, 0.1); /* Light tint of light-green */
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
    border-radius: 8px;
}

.hero-section h1 {
    font-size: 48px;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 18px;
    color: #555;
    margin-bottom: 30px;
}

.hero-search {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--light-green);
    border-radius: 8px;
    overflow: hidden;
}

.hero-search input {
    flex-grow: 1;
    border: none;
    padding: 15px 20px;
    font-size: 16px;
    outline: none;
}

.hero-search button {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Search Suggestions Styles */
.search-suggestions {
    position: absolute;
    background: white;
    border: 1px solid var(--border-light);
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 12px var(--shadow-medium);
    z-index: 2000;
    display: none;
    max-height: 300px;
    overflow-y: auto;
}

.suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.2s ease;
}

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

.suggestion-item:hover {
    background: var(--bg-light-neutral);
}

.suggestion-name {
    font-weight: 600;
    color: var(--primary-green);
}

.suggestion-type {
    font-size: 12px;
    color: var(--text-color-light);
    background: #eee;
    padding: 2px 8px;
    border-radius: 10px;
}

.dark-theme .search-suggestions {
    background: #1e1e1e;
    border-color: #333;
}

.dark-theme .suggestion-name {
    color: var(--light-green);
}

.dark-theme .suggestion-type {
    background: #333;
    color: #aaa;
}

.dark-theme .suggestion-item:hover {
    background: #252525;
}

/* Exams List Section */
.exams-list-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--text-color-dark);
}

.exam-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.exam-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color-dark);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exam-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.exam-card h3 {
    font-size: 24px;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.exam-card p {
    font-size: 16px;
    color: var(--text-color-light);
}

/* Breadcrumbs */
.breadcrumbs {
    margin-bottom: 20px;
    font-size: 14px;
    color: #777;
}

.breadcrumbs a {
    text-decoration: none;
    color: var(--light-green);
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* Exam Detail Hero */
.exam-detail-hero {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    margin-bottom: 40px;
    text-align: center;
}

.exam-detail-hero h1 {
    font-size: 42px;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.exam-description {
    font-size: 18px;
    color: #555;
    max-width: 800px;
    margin: 0 auto 25px auto;
}

.exam-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    color: #666;
    font-size: 15px;
}

.exam-meta i {
    margin-right: 8px;
    color: var(--light-green);
}

/* Exam Sections */
.exam-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.section-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

.section-card h3 {
    color: var(--primary-green);
    margin-bottom: 10px;
}

.section-card p {
    color: var(--text-color-light);
}

/* Question Section */
.question-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.question-header h2 {
    font-size: 28px;
    color: var(--text-color-dark);
    margin: 0;
}

.question-actions .btn {
    margin-left: 10px;
}

.question-body {
    margin-bottom: 30px;
}

.question-text {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 25px;
    color: var(--text-color-dark);
}

.options {
    margin-bottom: 25px;
}

.option-item {
    display: block;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.option-item:hover {
    background-color: #f0f8ff;
    border-color: #007bff;
}

.option-item input[type="radio"] {
    margin-right: 15px;
    transform: scale(1.2);
}

.option-item span {
    font-size: 18px;
    color: var(--text-color-dark);
}

.answer-explanation {
    background-color: rgba(29, 158, 117, 0.1);
    border: 1px solid var(--light-green);
    border-radius: 5px;
    padding: 15px;
    margin-top: 20px;
}

.answer-explanation p {
    margin: 0;
    color: var(--dark-green);
}

.answer-explanation strong {
    color: var(--dark-green);
}

.question-navigation {
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* Footer Styles */
.footer {
    background-color: var(--dark-green);
    color: var(--bg-white);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

.footer p {
    margin: 0;
    font-size: 14px;
}

.dev-note {
    font-size: 12px;
    margin-top: 8px !important;
    opacity: 0.7;
    font-style: italic;
}