/* Global Styles */
body {
    background: #f5f7fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* Timer Styles */
.timer {
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
    font-family: 'Courier New', monospace;
}

/* Question Styles */
.question-container {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.option-label {
    display: block;
    padding: 12px 20px;
    margin-bottom: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.option-label:hover {
    background: #e9ecef;
}

.option-label.selected {
    background: #667eea;
    color: white;
}

/* Result Styles */
.top-student {
    background: linear-gradient(135deg, #ffd700 0%, #f9a825 100%);
    border-radius: 10px;
    padding: 20px;
    color: #333;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.rank-number {
    font-size: 1.2rem;
    font-weight: 700;
    background: rgba(0,0,0,0.1);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Progress Bar */
.progress-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
}