:root {
    --primary-color: #4a6bff;
    --secondary-color: #6c5ce7;
    --accent-color: #00cec9;
    --dark-color: #2d3436;
    --light-color: #f5f6fa;
    --success-color: #00b894;
    --danger-color: #d63031;
    --warning-color: #fdcb6e;
    --border-radius: 12px;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--dark-color);
    min-height: 100vh;
    line-height: 1.6;
}

.screen {
    display: none;
    padding: 2rem;
    min-height: 100vh;
}

.screen.active {
    display: block;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.logo i {
    font-size: 2.5rem;
    margin-right: 1rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.logo-small {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
}

.logo-small i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    display: inline-block;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    width: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: translateY(0);
}

.rules-container {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.rules-container ul {
    list-style-type: none;
}

.rules-container li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: flex-start;
}

.rules-container li i {
    color: var(--success-color);
    margin-right: 0.8rem;
    margin-top: 0.2rem;
}

.user-details {
    background-color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    border: 1px solid #eee;
}

.user-details h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

.action-buttons .btn {
    flex: 1;
}

/* Quiz Screen Styles */
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.quiz-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.timer, .level-indicator, .score {
    display: flex;
    align-items: center;
    font-weight: 600;
}

.timer i, .level-indicator i, .score i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.timer {
    color: var(--danger-color);
}

.quiz-container {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.progress-container {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 10px;
    background-color: #eee;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    transition: width 0.3s;
}

.question-counter {
    text-align: right;
    color: #777;
    font-size: 0.9rem;
}

.question-container {
    margin-bottom: 2rem;
}

.question-container h2 {
    text-align: left;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.options-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.option {
    padding: 1rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
    text-align: center;
    font-weight: 500;
}

.option:hover {
    background-color: #e1e5f2;
}

.option.selected {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

.option.wrong {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

#next-question-btn {
    margin-top: 1rem;
}

/* Results Screen Styles */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.result-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid #eee;
}

.result-details p {
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: space-between;
    max-width: 400px;
}

.result-details p strong {
    font-weight: 600;
    color: var(--dark-color);
}

.result-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
}

.success-message {
    background-color: rgba(0, 184, 148, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.fail-message {
    background-color: rgba(214, 48, 49, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.certificate-container {
    margin-top: 2rem;
    text-align: center;
}

.certificate-container h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .options-container {
        grid-template-columns: 1fr;
    }
    
    .quiz-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .quiz-info {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }
    
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .logo i {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}
#theme{
         position: relative;
         left: 640px;
         top: 100px;
          font-size: 20px;
          cursor: pointer;
         
}
#theme:hover{
    color: var(--primary-color);
    transition: color 0.3s;
}