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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', 'PingFang TC', 'Noto Sans TC', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    color: #333;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 添加動態背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    display: flex;
    min-height: 100vh;
    gap: 24px;
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.sidebar {
    width: 320px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    padding: 0;
    max-height: calc(100vh - 48px);
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.sidebar:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.4);
}

.sidebar h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    padding: 20px 24px;
    margin: 0;
    border-radius: 20px 20px 0 0;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.sidebar h3::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.sidebar:hover h3::before {
    left: 100%;
}

.search-box {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid transparent;
    border-radius: 16px;
    font-size: 15px;
    margin: 24px 24px 0 24px;
    width: calc(100% - 48px);
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 
        0 8px 25px rgba(0,0,0,0.08),
        inset 0 1px 0 rgba(255,255,255,0.9);
    flex-shrink: 0;
    font-family: inherit;
}

.search-box:focus {
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 
        0 0 0 4px rgba(102, 126, 234, 0.15),
        0 12px 40px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.search-box::placeholder {
    color: #8b8b8b;
    font-style: italic;
}

/* 年份和模式選擇區域 */
.year-selector,
.display-mode-selector {
    margin: 20px 0 0 0;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.year-selector h4,
.display-mode-selector h4 {
    color: #333;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
    letter-spacing: 0.5px;
}

.year-buttons,
.mode-buttons,
.change-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.year-button,
.mode-button,
.change-button {
    padding: 10px 18px;
    border: 2px solid transparent;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    text-align: center;
    min-width: 60px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.year-button::before,
.mode-button::before,
.change-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.year-button:hover::before,
.mode-button:hover::before,
.change-button:hover:before {
    left: 100%;
}

.year-button:hover,
.mode-button:hover,
.change-button:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.year-button.active,
.mode-button.active,
.change-button.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.year-button.active:hover,
.mode-button.active:hover,
.change-button.active:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a42a0 50%, #e085f0 100%);
    transform: translateY(-3px);
}

.university-list {
    list-style: none;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    padding: 0 24px 24px 24px;
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
    max-height: calc(100vh - 300px);
    min-height: 200px;
}

.university-list::-webkit-scrollbar {
    width: 6px;
}

.university-list::-webkit-scrollbar-track {
    background: transparent;
}

.university-list::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    transition: all 0.3s;
}

.university-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a42a0);
}

.university-group {
    margin-bottom: 12px;
    flex-shrink: 0;
}

.university-header,
.university-item {
    padding: 16px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
    position: relative;
    overflow: hidden;
}

.university-header::before,
.university-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.university-header:hover::before,
.university-item:hover::before {
    left: 100%;
}

.university-header:hover,
.university-item:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a42a0 50%, #e085f0 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.35);
}

.university-header.active,
.university-item.selected {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a42a0 50%, #e085f0 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.university-header.active .dropdown-arrow {
    transform: rotate(180deg);
}

.department-list {
    list-style: none;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 6px;
    max-height: 0;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
}

.department-list.active {
    max-height: 2000px;
    opacity: 1;
}

.department-item {
    padding: 12px 24px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: relative;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.department-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    transform: translateX(6px);
    padding-left: 30px;
    white-space: normal;
    overflow: visible;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
}

.department-item.selected {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    color: #667eea;
    font-weight: 700;
    transform: translateX(6px);
    padding-left: 30px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.department-item.selected::before {
    content: '●';
    position: absolute;
    left: 12px;
    color: #667eea;
    font-size: 16px;
}

.main-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-content: start;
}

.selected-university {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    margin-bottom: 24px;
    border-left: 5px solid transparent;
    background-image: linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)), 
                     linear-gradient(135deg, #667eea, #764ba2);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.selected-university::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.selected-university:hover::before {
    left: 100%;
}

.selected-university:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.4);
}

.selected-university h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 22px;
    margin: 0;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.selected-university p {
    margin: 12px 0 0 0;
    color: #666;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
}

.no-selection {
    color: #999;
    font-style: italic;
    opacity: 0.8;
}

.image-container {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ecff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 16px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

.image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-container:hover::before {
    opacity: 1;
}

.image-container:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.image-container.small {
    height: 140px;
}

.image-container.large {
    height: 320px;
    display: grid;
    grid-template-columns: 20% 80%;
    grid-column: 1 / -1;
}
network-container{
    height: 320px;
}
#network-container{
    height: 100%;
}

.image-container.medium {
    min-height: 400px;
    height: 100%;
    display: grid;
    grid-template-columns: 100%;
}
canvas{
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-label {
    position: absolute;
    cursor: help;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 12px;
    color: #333;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 10;
    letter-spacing: 0.3px;
    overflow: visible;
}

.image-label::after{
    content: attr(tooltip);
    position: absolute;
    text-decoration: underline;
    visibility: visible;
    background-color: #555;
    color: #fff;
    text-align: left;
    font-size: 1.05rem;
    min-width: 200%;
    max-width: 220%;
    border: 20px;
    padding: 5px 10px;
    z-index: 112;
    top: 125%;
    left: 15%;
    transform: translateY(-5px);
    opacity: 0;
    transition: opacity 0.3s;
    white-space:pre-line;
    overflow: visible;
}
.image-label:hover:after{
    visibility: visible;
    opacity: 0.8;
    transform: translateY(0);
}

.placeholder-text {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 10;
    position: relative;
    text-shadow: 0 4px 8px rgba(0,0,0,0.1);
    letter-spacing: 1px;
}
.placeholder-image{
    display: inline-block;
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
}

.input-section {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.input-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.input-section:hover::before {
    left: 100%;
}

.input-section:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.4);
}

.input-label {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    display: inline-block;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.input-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.input-label:hover::before {
    left: 100%;
}

.input-area {
    width: 100%;
    min-height: 140px;
    height: auto;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 20px;
    font-family: inherit;
    font-size: 15px;
    resize: vertical;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.input-area:focus {
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 
        0 0 0 4px rgba(102, 126, 234, 0.15),
        0 8px 25px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.change-section{
    display: none;
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.hide{display: none !important;}


table,th,td{
    border: 1.5px solid rgb(255, 255, 255);
    border-collapse: separate;
    padding: 10px;
    font-size: 100%;
    font-family: sans-serif;
}
table{
    margin: 0% auto;
    height: 100%;
    width: 100%;
}
th,td{
    border-bottom: groove;
}
tbody tr:hover{
    background-color: #c5c5c5;
    transform: translateY(-4px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.4);
}
tr:nth-child(even){background-color: #f2f2f2;}
thead {
    font-size: 105%;
}

#lightbox {
    display: none;
    position: fixed;
    top: 0;left: 0;
    width: 100vw;height:100vh;
    backdrop-filter: blur(3px);
    z-index: 111;
}
#lightbox-content{
    background: #fff;
    position: absolute;
    border-radius: 20px;
    transform: translate(12%,50%);
    padding: 30px;
    margin: 0;
    top: -40%;
    left: -6%;
    width: 90vw;
    height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* 添加載入動畫 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-content > * {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-content > *:nth-child(2) {
    animation-delay: 0.1s;
}

.main-content > *:nth-child(3) {
    animation-delay: 0.2s;
}

.main-content > *:nth-child(4) {
    animation-delay: 0.3s;
}

.main-content > *:nth-child(5) {
    animation-delay: 0.4s;
}

.main-content > *:nth-child(6) {
    animation-delay: 0.5s;
}

.main-content > *:nth-child(7) {
    animation-delay: 0.6s;
}

/* 載入狀態指示器 */
.loading-indicator {
    text-align: center;
    padding: 24px;
    color: #666;
    font-style: italic;
    font-size: 14px;
}

.loading-indicator::after {
    content: "⏳";
    margin-left: 8px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 沒有搜尋結果時的提示 */
.no-results {
    text-align: center;
    padding: 24px;
    color: #999;
    font-style: italic;
    font-size: 14px;
}

.no-results::before {
    content: "🔍";
    margin-right: 8px;
}

/* 響應式設計 */
@media (max-width: 1024px) {
    .container {
        gap: 16px;
        padding: 16px;
    }
    
    .sidebar {
        width: 300px;
    }
    
    .main-content {
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 12px;
        gap: 16px;
    }
    
    .sidebar {
        width: 100%;
        max-height: 450px;
        position: static;
    }
    
    .university-list {
        max-height: 280px;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .image-container.large {
        grid-column: 1;
        height: 250px;
    }
    
    .image-container.medium {
        height: 160px;
        overflow-x: scroll;
    }
    
    .image-container.small {
        height: 120px;
    }
    
    .placeholder-text {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 8px;
    }
    
    .sidebar {
        border-radius: 16px;
        padding: 0;
    }
    
    .sidebar h3 {
        font-size: 14px;
        padding: 16px 20px;
    }
    
    .search-box {
        font-size: 14px;
        padding: 14px 16px;
        margin: 16px 16px 0 16px;
        width: calc(100% - 32px);
    }
    
    .year-selector,
    .display-mode-selector {
        padding: 16px 16px;
    }
    
    .year-button,
    .mode-button,
    .change-button {
        padding: 8px 14px;
        font-size: 12px;
        min-width: 50px;
    }
    
    .university-list {
        padding: 0 16px 16px 16px;
    }
    
    .selected-university,
    .input-section {
        padding: 20px 24px;
        border-radius: 16px;
    }
    
    .image-container {
        border-radius: 16px;
    }
    
    .image-container.large {
        height: 200px;
    }
    
    .image-container.medium {
        height: 140px;
        overflow-x: scroll;
    }
    
    .image-container.small {
        height: 100px;
    }
    
    .placeholder-text {
        font-size: 18px;
    }
}

/* 新增性能優化 */
.university-list {
    transform: translateZ(0);
    -webkit-overflow-scrolling: touch;
    will-change: scroll-position;
}

/* 新增光暈效果 */
.university-header.active,
.university-item.selected,
.year-button.active,
.mode-button.active,
.change-button.active {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }
    to {
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
    }
}

/* 新增顯示模式按鈕樣式 */
.display-mode-selector {
    margin: 0 0 20px 0;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.display-mode-selector h4 {
    color: #333;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
    letter-spacing: 0.5px;
}

.mode-buttons {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-button {
    padding: 8px 14px;
    border: 2px solid transparent;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    text-align: center;
    min-width: 55px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.compare-column {
    text-align: center;
    font-size: 33px;
}