/* 全局样式 - 典雅羊皮纸风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Serif SC', 'Times New Roman', serif;
}

:root {
    --parchment-light: #f5f0e6;
    --parchment-medium: #e8e1d1;
    --parchment-dark: #d9cfb8;
    --accent-gold: #b8945a;
    --accent-gold-dark: #9a7a42;
    --ink-brown: #3e2c1a;
    --ink-brown-light: #5c4a37;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    background: linear-gradient(135deg, var(--parchment-light), var(--parchment-medium));
    color: var(--ink-brown);
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23d9cfb8' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
    z-index: -1;
}

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

/* 屏幕通用样式 */
.screen {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.screen.active {
    display: block;
    opacity: 1;
}

/* 卡片样式 - 羊皮纸效果 */
.card {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 600px;
    margin: 40px auto;
    text-align: center;
    position: relative;
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    border: 1px solid var(--parchment-dark);
    border-top: 2px solid var(--parchment-dark);
    border-bottom: 2px solid var(--parchment-dark);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--accent-gold) 20%, 
        var(--accent-gold) 80%, 
        transparent 100%);
}

.card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--accent-gold) 20%, 
        var(--accent-gold) 80%, 
        transparent 100%);
}

.card-content {
    padding: 20px;
}

.icon-container {
    font-size: 80px;
    color: var(--accent-gold);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* 标题样式 */
.header {
    text-align: center;
    margin-bottom: 40px;
    color: var(--ink-brown);
    position: relative;
    padding-bottom: 20px;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--accent-gold) 50%, 
        transparent 100%);
}

.header h1 {
    font-size: 2.8rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    font-weight: 300;
    font-style: italic;
}

/* 输入组样式 */
.input-group {
    display: flex;
    margin: 30px 0;
    gap: 10px;
}

.input-group input {
    flex-grow: 1;
    padding: 18px 20px;
    border: 2px solid var(--parchment-dark);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    transition: var(--transition);
    background-color: white;
    color: var(--ink-brown);
    font-family: 'Noto Serif SC', serif;
}

.input-group input:focus {
    border-color: var(--accent-gold);
    outline: none;
    box-shadow: 0 0 0 3px rgba(184, 148, 90, 0.2);
    background-color: white;
}

/* 按钮样式 */
.btn-primary, .btn-secondary, .btn-success, .btn-back {
    padding: 16px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: white;
    border: 1px solid var(--accent-gold-dark);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--accent-gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: white;
    color: var(--ink-brown);
    border: 2px solid var(--parchment-dark);
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold-dark);
    background-color: var(--parchment-light);
}

.btn-success {
    background-color: var(--ink-brown);
    color: white;
    border: 1px solid var(--ink-brown-light);
}

.btn-success:hover {
    background-color: var(--ink-brown-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-back {
    background-color: transparent;
    color: var(--ink-brown);
    padding: 12px 20px;
    border: 1px solid transparent;
}

.btn-back:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

/* 主界面样式 */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
    color: var(--ink-brown);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ink-brown);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--parchment-medium);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--parchment-dark);
    color: var(--ink-brown);
}

.welcome-card {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 40px;
    text-align: center;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.welcome-card h1 {
    color: var(--ink-brown);
    margin-bottom: 15px;
    font-size: 2.2rem;
    font-weight: 700;
}

.welcome-card p {
    color: var(--ink-brown-light);
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-style: italic;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.stat i {
    font-size: 2.5rem;
    color: var(--accent-gold);
}

.actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.action-card {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--parchment-dark);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 5px 20px rgba(62, 44, 26, 0.2),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    border-color: var(--accent-gold);
}

.action-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
    transition: var(--transition);
}

.action-card:hover .action-icon {
    transform: scale(1.1);
}

.action-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--ink-brown);
    font-weight: 700;
}

.action-card p {
    color: var(--ink-brown-light);
    font-size: 1.1rem;
    line-height: 1.6;
}

.info-card {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.info-card h3 {
    color: var(--ink-brown);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    border-bottom: 1px solid var(--parchment-dark);
    padding-bottom: 10px;
}

.info-card ul {
    list-style-type: none;
    padding-left: 10px;
}

.info-card li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(217, 207, 184, 0.5);
    color: var(--ink-brown-light);
    position: relative;
    padding-left: 20px;
}

.info-card li:before {
    content: '•';
    color: var(--accent-gold);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 12px;
}

.info-card li:last-child {
    border-bottom: none;
}

.info-card strong {
    color: var(--ink-brown);
    font-weight: 600;
}

/* 答题界面样式 */
.quiz-header {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 20px 30px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.quiz-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.quiz-stats {
    display: flex;
    gap: 30px;
}

.stat-box {
    text-align: center;
    background-color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--parchment-dark);
    min-width: 120px;
}

.stat-label {
    display: block;
    color: var(--ink-brown-light);
    font-size: 0.9rem;
    margin-bottom: 5px;
    font-style: italic;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink-brown);
}

.quiz-content {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.question-card {
    margin-bottom: 40px;
}

.question-card h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--ink-brown);
    line-height: 1.5;
    font-weight: 600;
    border-left: 3px solid var(--accent-gold);
    padding-left: 15px;
}

.options-container {
    display: grid;
    gap: 15px;
}

.option {
    padding: 20px 25px;
    border: 2px solid var(--parchment-dark);
    border-radius: var(--border-radius);
    background-color: white;
    text-align: left;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--ink-brown);
    position: relative;
    overflow: hidden;
}

.option:hover {
    border-color: var(--accent-gold);
    background-color: var(--parchment-light);
    transform: translateX(5px);
}

.option.selected {
    border-color: var(--accent-gold);
    background-color: rgba(184, 148, 90, 0.1);
    font-weight: 600;
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--parchment-dark);
}

/* 排行榜样式 */
.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    color: var(--ink-brown);
}

.leaderboard-header h1 {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 700;
}

.leaderboard-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    background-color: var(--parchment-light);
    padding: 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--parchment-dark);
}

.filter-option {
    padding: 12px 25px;
    border-radius: var(--border-radius);
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    border: 1px solid var(--parchment-dark);
    color: var(--ink-brown);
}

.filter-option.active {
    background-color: var(--accent-gold);
    color: white;
    border-color: var(--accent-gold-dark);
}

.filter-option:hover:not(.active) {
    background-color: var(--parchment-light);
    border-color: var(--accent-gold);
}

.leaderboard-list-container {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    min-height: 400px;
    margin-bottom: 30px;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    border-radius: var(--border-radius);
    background-color: white;
    transition: var(--transition);
    border: 1px solid var(--parchment-dark);
}

.leaderboard-item:hover {
    background-color: var(--parchment-light);
    transform: translateX(5px);
    border-color: var(--accent-gold);
}

.leaderboard-item.rank-1 {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 237, 78, 0.1));
    border-color: #ffd700;
    color: var(--ink-brown);
}

.leaderboard-item.rank-2 {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(224, 224, 224, 0.1));
    border-color: #c0c0c0;
    color: var(--ink-brown);
}

.leaderboard-item.rank-3 {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1), rgba(230, 163, 71, 0.1));
    border-color: #cd7f32;
    color: var(--ink-brown);
}

.rank {
    font-size: 1.8rem;
    font-weight: 700;
    width: 60px;
    text-align: center;
    color: var(--accent-gold);
}

.user-info-leaderboard {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.username {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ink-brown);
}

.score-info {
    display: flex;
    gap: 30px;
    margin-top: 5px;
}

.score, .time {
    font-weight: 600;
    color: var(--ink-brown-light);
    font-size: 0.95rem;
}

.user-rank-card {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.user-rank-info {
    margin-top: 20px;
    padding: 25px;
    background-color: white;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--parchment-dark);
}

/* 结果界面样式 */
.result-container {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--parchment-dark);
    box-shadow: 
        0 2px 10px rgba(62, 44, 26, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.result-header {
    text-align: center;
    margin-bottom: 50px;
}

.result-icon {
    font-size: 5rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.result-header h1 {
    font-size: 2.8rem;
    color: var(--ink-brown);
    margin-bottom: 15px;
    font-weight: 700;
}

#result-message {
    font-size: 1.3rem;
    color: var(--ink-brown-light);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
}

.stat-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--parchment-dark);
    background-color: white;
    position: relative;
    overflow: hidden;
}

.stat-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(184, 148, 90, 0.1) 0%, transparent 70%);
}

.score-circle {
    border-color: var(--accent-gold);
}

.time-circle {
    border-color: var(--ink-brown);
}

.rank-circle {
    border-color: var(--accent-gold-dark);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--ink-brown);
    z-index: 1;
}

.stat-label {
    font-size: 1.2rem;
    margin-top: 10px;
    color: var(--ink-brown-light);
    z-index: 1;
    font-style: italic;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.answers-review {
    margin-top: 20px;
}

.review-item {
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    background-color: white;
    border-left: 5px solid var(--parchment-dark);
    border: 1px solid var(--parchment-dark);
}

.review-item.correct {
    border-left-color: var(--accent-gold);
    background-color: rgba(184, 148, 90, 0.1);
}

.review-item.incorrect {
    border-left-color: var(--ink-brown);
    background-color: rgba(62, 44, 26, 0.1);
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(245, 240, 230, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    display: none;
    backdrop-filter: blur(3px);
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
    color: var(--ink-brown);
}

.loading-content i {
    margin-bottom: 20px;
    font-size: 3rem;
    color: var(--accent-gold);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
    100% { opacity: 0.5; transform: scale(1); }
}

.loading-content p {
    font-size: 1.5rem;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .card {
        padding: 20px;
        margin: 20px auto;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .actions {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .quiz-header {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .quiz-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .quiz-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .result-stats {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .leaderboard-header {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .leaderboard-filters {
        flex-wrap: wrap;
    }
}

/* 装饰性元素 */
.tip {
    background-color: rgba(184, 148, 90, 0.1);
    border-left: 4px solid var(--accent-gold);
    padding: 15px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-top: 25px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(184, 148, 90, 0.2);
    color: var(--ink-brown);
}

.description {
    color: var(--ink-brown-light);
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
    font-style: italic;
}

/* 古风装饰线 */
.decorative-line {
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--accent-gold) 20%, 
        var(--accent-gold) 80%, 
        transparent 100%);
    margin: 30px 0;
}

/* 卷轴效果 */
.scroll-effect {
    position: relative;
}

.scroll-effect::before,
.scroll-effect::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 100%;
    background-color: var(--parchment-medium);
    border: 1px solid var(--parchment-dark);
    z-index: 1;
}

.scroll-effect::before {
    left: -10px;
    border-radius: 10px 0 0 10px;
    border-right: none;
}

.scroll-effect::after {
    right: -10px;
    border-radius: 0 10px 10px 0;
    border-left: none;
}
/* AI赞扬弹窗样式 */
.ai-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(62, 44, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(3px);
}

.ai-modal.active {
    opacity: 1;
    visibility: visible;
}

.ai-modal-content {
    background-color: var(--parchment-light);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    border: 2px solid var(--accent-gold);
    box-shadow: 
        0 20px 60px rgba(62, 44, 26, 0.3),
        0 0 0 1px var(--parchment-dark),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s ease;
}

.ai-modal.active .ai-modal-content {
    transform: translateY(0) scale(1);
}

.ai-modal-header {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-modal-header h2 {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.ai-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.ai-modal-body {
    padding: 30px;
    text-align: center;
}

.ai-icon {
    font-size: 4rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.ai-praise-text {
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--ink-brown);
    font-style: italic;
    background-color: rgba(255, 255, 255, 0.5);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid var(--parchment-dark);
    box-shadow: inset 0 0 10px rgba(217, 207, 184, 0.3);
    max-height: 300px;
    overflow-y: auto;
}

.ai-modal-footer {
    padding: 20px 30px;
    background-color: var(--parchment-medium);
    border-top: 1px solid var(--parchment-dark);
    text-align: center;
}

#ai-modal-close-btn {
    min-width: 150px;
}