/* 璇楄瘝缃戠珯鏍峰紡 - 杞诲ア椋庢牸 + 娣辫壊涓婚 */
:root {
    --primary-color: #d4af37; /* 閲戣壊 */
    --secondary-color: #c0c0c0; /* 閾惰壊 */
    --bg-dark: #1a1a2e; /* 娣辫壊鑳屾櫙 */
    --bg-darker: #0f0f1a; /* 鏇存繁鑹?*/
    --bg-card: #1f2937; /* 鍗＄墖鑳屾櫙 */
    --text-primary: #e5e7eb; /* 涓昏鏂囧瓧 */
    --text-secondary: #9ca3af; /* 娆¤鏂囧瓧 */
    --border-color: #374151; /* 杈规棰滆壊 */
    --accent-color: #f59e0b; /* 寮鸿皟鑹?*/
}

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 瀵艰埅鏍?*/
.navbar {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    overflow: visible;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 200px;
    min-width: 180px;
}

.logo-images {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: flex-end;
}

.logo-icon {
    height: 28px;
    width: auto;
    opacity: 0.9;
}

.pegasus-gif {
    height: 32px;
    width: auto;
    filter: brightness(1.2);
}

.logo-text {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(212, 175, 55, 0.3);
    flex: 1;
    white-space: nowrap;
}

.search-bar {
    flex: 1;
    max-width: 500px;
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.search-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--primary-color), #b8962e);
    color: #000;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.nav-menu {
    display: flex;
    gap: 10px;
    overflow: visible;
    padding: 5px 0;
    flex-shrink: 0;
}

.nav-btn {
    padding: 10px 18px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

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

.nav-btn.active {
    background: linear-gradient(135deg, var(--primary-color), #b8962e);
    color: #000;
    border-color: var(--primary-color);
}

.nav-divider {
    width: 2px;
    background: var(--border-color);
    margin: 0 5px;
    flex-shrink: 0;
}

/* 涓诲鍣?*/
.main-container {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
    display: grid;
    grid-template-columns: 310px 1fr;
    gap: 30px;
    width: 100%;
    align-items: start;
}

/* ===== 左侧分类导航 ===== */
.category-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cat-nav-btn {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.25s;
    font-size: 13px;
    line-height: 1.4;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cat-nav-btn:hover {
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--primary-color);
}

.cat-nav-btn.active {
    background: rgba(212, 175, 55, 0.22);
    border-color: var(--primary-color);
    color: #ffd700;
    font-weight: 700;
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.15);
}

/* ===== 顶部导航 - 按作者筛选下拉菜单 ===== */
.author-dropdown-wrap {
    position: relative;
    flex-shrink: 0;
}

.author-dropdown-btn {
    white-space: nowrap;
    background: rgba(212, 175, 55, 0.1) !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.author-dropdown-btn:hover,
.author-dropdown-btn.open {
    background: rgba(212, 175, 55, 0.25) !important;
}

.author-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    max-height: 360px;
    overflow-y: auto;
    background: #181826;
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    z-index: 2000;
    padding: 6px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.author-dropdown-menu.open {
    display: block;
    animation: dropdownFadeIn 0.18s ease;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.author-dropdown-menu::-webkit-scrollbar { width: 5px; }
.author-dropdown-menu::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

.author-drop-item {
    display: block;
    width: 100%;
    padding: 9px 18px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.author-drop-item:hover {
    background: rgba(212, 175, 55, 0.12);
    color: var(--primary-color);
}

.author-drop-item.active {
    background: rgba(212, 175, 55, 0.2);
    color: var(--primary-color);
    font-weight: bold;
}

/* ===== 诗词详情弹窗（桌面版） ===== */
.poem-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    animation: overlayFadeIn 0.2s ease;
}

@keyframes overlayFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.poem-modal {
    background: var(--bg-card);
    border: 1px solid var(--primary-color);
    border-radius: 18px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.6), 0 0 30px rgba(212,175,55,0.1);
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.25s ease;
    overflow: hidden;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.92) translateY(20px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.poem-modal-header {
    padding: 22px 24px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.poem-modal-title {
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 600;
    flex: 1;
    padding-right: 16px;
}

.poem-modal-close {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
}

.poem-modal-close:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: rotate(90deg);
}

.poem-modal-body {
    padding: 22px 24px;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.poem-modal-body::-webkit-scrollbar { width: 6px; }
.poem-modal-body::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* 渚ц竟鏍?*/
.sidebar {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    height: fit-content;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 100px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.sidebar-section {
    margin-bottom: 30px;
}

.sidebar-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

.author-list {
    max-height: 400px;
    overflow-y: auto;
}

.author-btn {
    display: block;
    width: 100%;
    padding: 10px 15px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s;
    font-size: 14px;
}

.author-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--primary-color);
}

.author-btn.active {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.theme-toggle {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color), #b8962e);
    color: #000;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.stats {
    background: var(--bg-dark);
    border-radius: 10px;
    padding: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    color: var(--primary-color);
    font-weight: bold;
}

/* 鍐呭鍖哄煙 */
.content-area {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.content-area::-webkit-scrollbar {
    width: 8px;
}

.content-area::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 4px;
}

.content-area::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.content-area::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 14px;
}

.sort-select {
    padding: 8px 15px;
    background: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    padding: 8px 15px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.view-btn.active {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
}

/* 璇楄瘝瀹瑰櫒 */
.poems-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.poems-container.list-view {
    grid-template-columns: 1fr;
}

.poem-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    min-height: 190px;
}

.poem-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.15);
}

.poem-card.active {
    border-color: var(--primary-color);
    background: rgba(212, 175, 55, 0.05);
}

.poem-index {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--primary-color);
    color: #000;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.poem-title {
    color: var(--primary-color);
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.poem-author {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.poem-preview {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.8;
    height: 25px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.poem-category {
    position: absolute;
    bottom: 10px;
    left: 10px;
}

.category-badge {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-color);
    border-radius: 15px;
    font-size: 12px;
    border: 1px solid var(--primary-color);
}

/* 鏀惰棌鎸夐挳 */
.favorite-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s;
}

.favorite-btn:hover {
    opacity: 1;
    transform: scale(1.2);
}

.favorite-btn.active {
    color: #ff6b6b;
    opacity: 1;
}

/* 鍔犺浇鏇村 */
.load-more {
    text-align: center;
    padding: 20px;
}

.load-btn {
    padding: 12px 40px;
    background: linear-gradient(135deg, var(--primary-color), #b8962e);
    color: #000;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.load-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* 璇︽儏闈㈡澘 */
.detail-panel {
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 600;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.close-btn:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.panel-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.poem-detail-title {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 10px;
    font-weight: 600;
}

.poem-detail-author {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.poem-detail-content {
    line-height: 2;
    font-size: 16px;
    margin-bottom: 20px;
    text-align: center;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
    scroll-behavior: smooth;
}

/* 璇︽儏闈㈡澘婊氬姩鏉℃牱寮?*/
.poem-detail-content::-webkit-scrollbar {
    width: 6px;
}

.poem-detail-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.poem-detail-content::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.poem-detail-content::-webkit-scrollbar-thumb:hover {
    background: #c19b2c;
}

.poem-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.action-btn {
    flex: 1;
    padding: 10px 15px;
    background: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

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

/* 搴曢儴 */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 40px 20px;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 鍝嶅簲寮忚璁?*/
/* 灏忕獥鍙ｆ椂鏄剧ず妯悜婊氬姩鏉★紝淇濇寔涓夋爮甯冨眬 */
@media (max-width: 1200px) {
    .main-container {
        grid-template-columns: 240px 1fr;
        min-width: 800px;
        overflow-x: auto;
    }
}

@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 220px 1fr;
        min-width: 700px;
        overflow-x: auto;
        padding: 15px;
        gap: 20px;
    }
    
    .sidebar {
        display: block;
        position: sticky;
        top: 80px;
        max-height: calc(100vh - 100px);
    }
    
    /* 瀵艰埅鏍忎繚鎸佸師鐘讹紝涓嶈鍙橀珮 */
    .navbar {
        min-height: auto;
    }
    
    .nav-container {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 10px 20px;
        gap: 10px;
    }
    
    /* Logo淇濇寔鍘熺姸 */
    .logo {
        height: 40px;
        margin-bottom: 0;
    }
    
    /* 淇濇寔鍘熸湁logo灏哄 */
    .logo-images {
        height: 32px;
    }
    
    .logo-icon {
        height: 28px;
    }
    
    .pegasus-gif {
        height: 32px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    /* 淇濇寔鎼滅储鏍忔甯?*/
    .search-bar {
        max-width: 500px;
        order: 0;
    }
    
    .search-input {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .search-btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    /* 淇濇寔瀵艰埅鑿滃崟姝ｅ父 */
    .nav-menu {
        margin-top: 0;
        padding: 5px 0;
    }
    
    /* 鎵嬫満绔叏灞忓脊绐?*/
    .mobile-fullscreen-modal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.95);
        z-index: 9999;
        display: none;
        flex-direction: column;
        padding: 15px;
    }
    
    .mobile-modal-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
        padding-bottom: 15px;
        border-bottom: 1px solid #333;
    }
    
    .mobile-modal-title {
        font-size: 18px;
        color: #d4af37;
        font-weight: bold;
    }
    
    .mobile-close-btn {
        background: transparent;
        border: none;
        color: #d4af37;
        font-size: 28px;
        cursor: pointer;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        padding: 0;
    }
    
    .mobile-close-btn:hover {
        background: rgba(212, 175, 55, 0.1);
    }
    
    .mobile-modal-content {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
        padding-right: 10px;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        max-height: calc(100vh - 100px);
    }
    
    .mobile-modal-poem-title {
        font-size: 20px;
        color: #d4af37;
        margin-bottom: 8px;
        text-align: center;
    }
    
    .mobile-modal-poem-author {
        font-size: 14px;
        color: #999;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .mobile-modal-poem-content {
        font-size: 16px;
        line-height: 1.8;
        color: #f0f0f0;
        white-space: pre-line;
        padding-bottom: 30px;
        word-wrap: break-word;
        text-align: center;
    }
    
    /* 淇濇寔瀵艰埅鎸夐挳姝ｅ父澶у皬 */
    .nav-btn {
        padding: 8px 16px;
        font-size: 14px;
        border-radius: 20px;
        flex-shrink: 0;
    }
    
    /* 搴曢儴淇濇寔3鏍忓竷灞€ */
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        padding: 40px 30px;
    }
}

/* 婊氬姩鏉℃牱寮?*/
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 鍔ㄧ敾鏁堟灉 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.poem-card {
    animation: fadeIn 0.5s ease;
}

/* 鍔犺浇鍔ㄧ敾 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}