/* =======================================
   测验页面特定样式
   ======================================= */

.quiz-hero {
    background: linear-gradient(135deg, #3a86ff, #8338ec);
    padding: 120px 0 80px;
}

.quiz-hero h1 {
    font-size: 3.5rem;
    color: white;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.quiz-hero p {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 分类选择区 */
.quiz-category-section {
    padding: 60px 0;
    background: var(--bg-primary);
}

.quiz-category-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--card-bg);
    border: 2px solid var(--border-light);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.category-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0,212,255,0.15);
    background: rgba(0,212,255,0.05);
}

.category-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.category-card h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

body.theme-light .category-card {
    background: white;
}

body.theme-light .category-card:hover {
    background: #f0f0f0;
    border-color: #333;
}

body.theme-light .category-card i {
    color: #333;
}

body.theme-colorful .category-card:hover {
    border-color: var(--theme-color);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.15);
    background: rgba(255, 107, 107, 0.05);
}

body.theme-colorful .category-card i {
    background: var(--gradient-category) text;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 测验容器 */
.quiz-container {
    padding: 60px 0;
    background: var(--bg-primary);
}

.quiz-container.hidden {
    display: none;
}

/* 进度条 */
.quiz-progress {
    height: 4px;
    background: var(--card-bg);
    border-radius: 2px;
    margin-bottom: 40px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0;
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* 题目样式 */
#quiz {
    max-width: 800px;
    margin: 0 auto;
}

.question {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    transition: var(--transition);
}

.question:hover {
    border-color: var(--primary-color);
}

.question h3 {
    color: var(--text-primary);
    margin: 0 0 20px;
    font-size: 1.1rem;
    line-height: 1.5;
}

.options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.option {
    background: rgba(0,212,255,0.05);
    border: 2px solid var(--border-light);
    border-radius: 10px;
    padding: 15px 20px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.option:hover {
    background: rgba(0,212,255,0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.option::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.option.selected::before {
    background: white;
    border-color: white;
    box-shadow: inset 0 0 0 4px var(--primary-color);
}

body.theme-light .option {
    background: #f5f5f5;
}

body.theme-light .option:hover {
    background: #e0e0e0;
    border-color: #333;
    color: #333;
}

body.theme-light .option.selected {
    background: #333;
    border-color: #333;
    color: white;
    box-shadow: none;
}

body.theme-colorful .option {
    background: rgba(255, 107, 107, 0.05);
    border-color: rgba(255, 107, 107, 0.2);
    color: var(--text-secondary);
}

body.theme-colorful .option:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: var(--theme-color);
    color: var(--theme-color);
}

body.theme-colorful .option.selected {
    background: var(--theme-color);
    border-color: var(--theme-color);
    color: white;
}

/* 提交按钮 */
.submit-btn {
    display: block;
    margin: 40px auto;
    padding: 15px 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--glow);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--primary-color);
}

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

body.theme-light .submit-btn {
    background: #333;
    color: white;
    box-shadow: none;
}

body.theme-light .submit-btn:hover {
    background: #1a1a1a;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 结果显示 */
.result {
    max-width: 600px;
    margin: 40px auto;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    padding: 50px 30px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.result.hidden {
    display: none;
}

.score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(
        var(--primary-color) 0deg,
        var(--primary-color) var(--score-angle, 0deg),
        rgba(0,212,255,0.1) var(--score-angle, 0deg),
        rgba(0,212,255,0.1) 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
    box-shadow: 0 0 30px rgba(0,212,255,0.2);
}

.score-circle::before {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--bg-primary);
}

.score-text {
    position: relative;
    z-index: 1;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.result h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 25px 0 15px;
}

.result p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 15px 0 30px;
}

.result .btn {
    margin-top: 20px;
}

body.theme-light .score-circle {
    background: conic-gradient(
        #333 0deg,
        #333 var(--score-angle, 0deg),
        #e0e0e0 var(--score-angle, 0deg),
        #e0e0e0 360deg
    );
}

body.theme-light .score-text {
    color: #333;
}

body.theme-colorful .score-circle {
    background: conic-gradient(
        var(--theme-color) 0deg,
        var(--theme-color) var(--score-angle, 0deg),
        rgba(255, 107, 107, 0.1) var(--score-angle, 0deg),
        rgba(255, 107, 107, 0.1) 360deg
    );
}

body.theme-colorful .score-text {
    color: var(--theme-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .quiz-hero h1 { font-size: 2.2rem; }
    .quiz-container { padding: 40px 0; }
    .question { padding: 20px; margin-bottom: 20px; }
    .options { gap: 10px; }
    .score-circle { width: 150px; height: 150px; }
    .score-circle::before { width: 120px; height: 120px; }
    .score-text { font-size: 2rem; }
    .category-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .category-cards { grid-template-columns: 1fr; }
    .option { padding: 12px 15px; font-size: 0.95rem; }
}