/* =============================
   iGEM Team Members Page - 浅绿环保主题
   ============================= */

/* CSS变量继承主题 */
:root {
    --member-primary: #5ec081;
    --member-primary-600: #3ea166;
    --member-accent: #e8f5e8;
    --member-surface: rgba(255, 255, 255, 0.95);
    --member-surface-light: rgba(249, 251, 250, 0.98);
    --member-border: rgba(62, 161, 102, 0.15);
    --member-text: #2d3748;
    --member-muted: rgba(107, 114, 128, 0.8);
    --member-bg: #fafafa;
}

/* 页面布局 */
.members-page-wrapper {
    background: linear-gradient(135deg, #ffffff 0%, var(--member-bg) 100%);
    min-height: 100vh;
    padding: 2rem 0;
}

.team-section-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.team-section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--member-text);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.team-section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--member-primary), var(--member-primary-600));
    border-radius: 2px;
}

.team-section-subtitle {
    font-size: 1.2rem;
    color: var(--member-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 团队分组标题 */
.team-group-header {
    text-align: center;
    margin: 4rem 0 2rem 0;
}

.team-group-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--member-primary-600);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.team-group-title::before,
.team-group-title::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 60px;
    height: 2px;
    background: var(--member-primary);
}

.team-group-title::before {
    left: -80px;
}

.team-group-title::after {
    right: -80px;
}

/* 3D翻转卡片优化 */
.team-card-container {
    perspective: 1500px;
    margin-bottom: 2.5rem;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.team-card-container:hover {
    transform: translateY(-8px);
}

.team-card {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
    min-height: 420px;
    border-radius: 20px;
}

.team-card-container:hover .team-card {
    transform: rotateY(180deg);
}

.team-card-front,
.team-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
}

.team-card-front {
    background: linear-gradient(145deg, #ffffff 0%, #fefefe 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.04);
}

.team-card-back {
    transform: rotateY(180deg);
    background: linear-gradient(145deg, #ffffff 0%, #fefefe 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.04);
}

/* 头像样式优化 */
.member-avatar {
    max-width: 70%;
    height: auto;
    border-radius: 50%;
    border: 3px solid rgba(226, 232, 240, 0.8);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin-bottom: 1.5rem;
    position: relative;
}

.member-avatar::after {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--member-primary), rgba(94, 192, 129, 0.3), var(--member-primary-600));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.team-card-container:hover .member-avatar {
    transform: scale(1.05);
    border-color: var(--member-primary);
    box-shadow: 
        0 12px 32px rgba(94, 192, 129, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.08);
}

.team-card-container:hover .member-avatar::after {
    opacity: 0.2;
}

/* 卡片内容样式 */
.team-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
}

.member-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--member-text);
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.team-card-container:hover .member-name {
    color: var(--member-primary-600);
    transform: translateY(-2px);
}

.position-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--member-accent) 0%, rgba(232, 245, 232, 0.8) 100%);
    color: var(--member-primary-600);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid rgba(94, 192, 129, 0.2);
    transition: all 0.3s ease;
}

.team-card-container:hover .position-tag {
    background: linear-gradient(135deg, var(--member-primary) 0%, var(--member-primary-600) 100%);
    color: white;
    transform: scale(1.05);
    border-color: var(--member-primary);
}

/* 悬停提示优化 */
.hover-tip {
    font-size: 0.75rem;
    color: var(--member-primary);
    opacity: 0.8;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    font-weight: 500;
    margin-top: auto;
}

.team-card-container:hover .hover-tip {
    opacity: 1;
    transform: translateY(-3px);
    color: var(--member-primary-600);
}

/* 卡片背面样式 */
.card-back-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 50%;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8) 0%, rgba(241, 245, 249, 0.6) 100%);
    border-radius: 0 20px 0 100%;
    z-index: 0;
    transition: all 0.4s ease;
}

.team-card-container:hover .card-back-decoration {
    background: linear-gradient(135deg, var(--member-accent) 0%, rgba(232, 245, 232, 0.8) 100%);
    opacity: 0.8;
}

.card-back-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-back-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--member-text);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid rgba(226, 232, 240, 0.8);
    position: relative;
}

.card-back-title::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--member-primary);
}

.description-container {
    flex: 1;
    overflow-y: auto;
    padding-right: 8px;
    margin-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--member-primary) transparent;
}

.description-container::-webkit-scrollbar {
    width: 6px;
}

.description-container::-webkit-scrollbar-track {
    background: transparent;
}

.description-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--member-primary) 0%, var(--member-primary-600) 100%);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.description-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--member-primary-600) 0%, var(--member-primary) 100%);
}

.member-info {
    color: var(--member-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 卡片悬停增强阴影 */
.team-card-container:hover .team-card-front,
.team-card-container:hover .team-card-back {
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.1),
        0 8px 20px rgba(94, 192, 129, 0.08);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .team-group-title::before,
    .team-group-title::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .team-section-title {
        font-size: 2.2rem;
    }
    
    .team-group-title {
        font-size: 1.6rem;
    }
    
    .team-card-container {
        margin-bottom: 2rem;
    }
    
    .team-card {
        min-height: 380px;
    }
    
    .team-card-front,
    .team-card-back {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .member-avatar {
        max-width: 80%;
    }
}

@media (max-width: 480px) {
    .members-page-wrapper {
        padding: 1rem 0;
    }
    
    .team-section-header {
        margin-bottom: 2rem;
        padding: 0 1rem;
    }
    
    .team-section-title {
        font-size: 1.8rem;
    }
    
    .team-section-subtitle {
        font-size: 1rem;
    }
    
    .team-card {
        min-height: 350px;
    }
    
    .team-card-front,
    .team-card-back {
        padding: 1.2rem;
        border-radius: 12px;
    }
}