/* Base Styles */
:root {
    --primary-color: #0066cc;
    --secondary-color: #00aaff;
    --accent-color: #ff6600;
    --dark-color: #1a1a2e;
    --light-color: #f5f5f7;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --text-color: #333;
    --text-light: #f5f5f7;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Dark Theme Styles */
.dark-theme {
    --primary-color: #4d94ff;
    --secondary-color: #66ccff;
    --accent-color: #ff8533;
    --dark-color: #121212;
    --light-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-light: #f5f5f7;
    
    background-color: var(--dark-color);
    color: var(--text-color);
}

.dark-theme .landing-container {
    background: linear-gradient(135deg, #121212 0%, #1a1a2e 100%);
}

.dark-theme .unit-card,
.dark-theme .content-card,
.dark-theme .timeline-content {
    background-color: #2a2a2a;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.dark-theme .unit-nav,
.dark-theme .robot-controls {
    background-color: #1a1a1a;
}

.dark-theme .unit-tab:not(.active) {
    color: #b0b0b0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.highlight {
    color: var(--accent-color);
}

/* Landing Page Styles */
.landing-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.landing-content {
    max-width: 800px;
    z-index: 10;
}

.robot-icon img {
    width: 150px;
    margin-bottom: 2rem;
}

.main-title {
    font-size: 4rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.intro-text {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.start-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.4);
}

.start-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 7px 20px rgba(255, 102, 0, 0.6);
}

.btn-icon {
    margin-left: 10px;
}

/* Background Elements */
.background-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.gear {
    position: absolute;
    background-image: url('../img/backgrounds/gear.svg');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.1;
}

.gear-1 {
    width: 300px;
    height: 300px;
    top: -50px;
    right: -50px;
    animation: rotate 20s linear infinite;
}

.gear-2 {
    width: 200px;
    height: 200px;
    bottom: 50px;
    left: 100px;
    animation: rotate 15s linear infinite reverse;
}

.gear-3 {
    width: 150px;
    height: 150px;
    top: 30%;
    left: 20%;
    animation: rotate 25s linear infinite;
}

.circuit {
    position: absolute;
    background-image: url('../img/backgrounds/circuit.svg');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.1;
}

.circuit-1 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    right: 10%;
}

.circuit-2 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -50px;
}

.data-stream {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to bottom, transparent 0%, rgba(0, 170, 255, 0.05) 50%, transparent 100%);
    background-size: 10px 20px;
    animation: dataStream 20s linear infinite;
}

/* Units Selection Page */
.units-container {
    min-height: 100vh;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.units-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.units-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.unit-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.unit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--primary-color);
    transition: var(--transition);
}

.unit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.unit-card:hover::before {
    width: 10px;
}

.unit-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.unit-card h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.unit-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.unit-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.unit-explore-btn {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    transition: var(--transition);
}

.unit-card:hover .unit-explore-btn {
    color: var(--accent-color);
    transform: translateX(5px);
}

/* Robot Guide */
.robot-guide {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 100;
}

.robot-container {
    display: flex;
    align-items: flex-end;
}

.robot-image {
    width: 120px;
    height: auto;
}

.robot-speech-bubble {
    background: white;
    border-radius: 20px;
    padding: 1rem;
    margin-right: 1rem;
    max-width: 300px;
    box-shadow: var(--box-shadow);
    position: relative;
}

.robot-speech-bubble::after {
    content: '';
    position: absolute;
    right: -10px;
    bottom: 20px;
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid white;
}

/* Unit Page Styles */
.unit-page {
    background: #f0f2f5;
}

.unit-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--dark-color);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
}

.unit-selector {
    display: flex;
}

.unit-tab {
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.unit-tab:hover {
    background: rgba(255, 255, 255, 0.1);
}

.unit-tab.active {
    background: var(--primary-color);
}

.unit-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.unit-header {
    text-align: center;
    margin-bottom: 3rem;
}

.unit-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.unit-description {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 4rem;
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
}

.content-section h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #eee;
}

.content-section h2 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tool-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.tool-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tool-card p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.tool-examples h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #555;
}

.tool-examples ul {
    padding-left: 1.5rem;
}

.tool-examples ul li {
    list-style-type: disc;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

/* Domain Cards */
.domain-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.domain-card {
    background: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.domain-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.domain-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.domain-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.domain-card p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.domain-card ul {
    padding-left: 1.5rem;
}

.domain-card ul li {
    list-style-type: disc;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Impact Section */
.impact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.impact-card {
    background: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.impact-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.impact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.impact-card h3 i {
    margin-right: 0.5rem;
}

.impact-content p {
    margin-bottom: 1rem;
}

.impact-content ul {
    padding-left: 1.5rem;
}

.impact-content ul li {
    list-style-type: disc;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Trends Section */
.trends-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.trend-card {
    background: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-top: 3px solid var(--accent-color);
}

.trend-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.trend-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Robot Assistant */
.robot-assistant {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.robot-assistant-img {
    width: 100px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.robot-assistant-img:hover {
    transform: scale(1.1);
}

.robot-controls {
    display: flex;
    gap: 0.5rem;
}

.robot-btn {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.robot-btn:hover {
    background: var(--secondary-color);
}

/* Quiz Styles */
.quiz-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 700px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}

.quiz-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    padding: 1.5rem;
    text-align: center;
}

.quiz-header h2 {
    margin-bottom: 0.5rem;
}

.quiz-content {
    padding: 2rem;
    position: relative;
}

.question-number {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.question-text {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.option:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 102, 204, 0.05);
}

.option-letter {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background-color: #e0e0e0;
    border-radius: 50%;
    margin-right: 1rem;
    font-weight: bold;
}

.option.correct {
    border-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
}

.option.correct .option-letter {
    background-color: var(--success-color);
    color: white;
}

.option.incorrect {
    border-color: var(--danger-color);
    background-color: rgba(220, 53, 69, 0.1);
}

.option.incorrect .option-letter {
    background-color: var(--danger-color);
    color: white;
}

.next-question-btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
}

.next-question-btn:hover {
    background-color: var(--secondary-color);
}

.quiz-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    z-index: 10;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.score-display {
    margin-bottom: 2rem;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.close-results-btn {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.close-results-btn:hover {
    background-color: var(--secondary-color);
}

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.quiz-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-button:hover {
    background-color: #ff8533;
}

.quiz-button i {
    font-size: 1.2rem;
}

.quiz-results {
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1