/* ============================================
   CSS Reset & Global Styles
   ============================================ */

/* Reset all default margins and paddings */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables for Theme - Morandi Color Scheme */
:root {
    --bg-primary: #F5F2ED;         /* 莫兰迪米白色 */
    --bg-secondary: #EBE8E3;       /* 莫兰迪浅灰米色 */
    --text-primary: #2F2D2B;       /* 深灰棕色（加深对比度） */
    --text-secondary: #6B6763;     /* 中灰色（加深对比度） */
    --accent-color: #8FA9B3;       /* 雾霾蓝 */
    --border-color: #D5CFC8;       /* 浅灰米色边框 */
    --shadow: 0 0.2vw 0.8vw rgba(139, 134, 130, 0.15);
    --hover-shadow: 0 0.4vw 1.6vw rgba(139, 134, 130, 0.25);
    --card-bg: #F0EDE8;            /* 卡片背景 - 柔和米色 */
    --badge-bg: #A8B5A0;           /* 灰绿色徽章 */
    
    /* 各模块专属莫兰迪色系 */
    --color-competitions: #C4988F;   /* 豆沙粉 - 成就/奖项 */
    --color-publications: #8FA9B3;   /* 雾霾蓝 - 学术/专业 */
    --color-projects: #A8B5A0;       /* 灰绿色 - 开源/成长 */
    --color-skills: #9B8B9E;         /* 灰紫色 - 技能/能力 */
    --color-articles: #B8A692;       /* 灰驼色 - 知识/分享 */
}

/* Dark theme variables - Morandi Dark */
[data-theme="dark"] {
    --bg-primary: #3A3835;         /* 深灰棕色 */
    --bg-secondary: #2E2C2A;       /* 更深的灰棕色 */
    --text-primary: #F2EBE5;       /* 浅米色文字（增强对比度） */
    --text-secondary: #BDB7B2;     /* 中灰色文字（增强对比度） */
    --accent-color: #92ADB8;       /* 浅雾霾蓝 */
    --border-color: #544F4B;       /* 中灰棕边框 */
    --shadow: 0 0.2vw 0.8vw rgba(0, 0, 0, 0.4);
    --hover-shadow: 0 0.4vw 1.6vw rgba(0, 0, 0, 0.5);
    --card-bg: #423F3C;            /* 卡片背景 - 中灰棕 */
    --badge-bg: #9BA89E;           /* 灰绿色徽章 */
    
    /* 各模块专属莫兰迪色系（暗色主题稍微调亮） */
    --color-competitions: #D4A89F;   /* 浅豆沙粉 */
    --color-publications: #9FB9C3;   /* 浅雾霾蓝 */
    --color-projects: #B8C5B0;       /* 浅灰绿色 */
    --color-skills: #AB9BAE;         /* 浅灰紫色 */
    --color-articles: #C8B6A2;       /* 浅灰驼色 */
}

/* 暗色主题下的名次颜色 */
[data-theme="dark"] .award-first {
    color: #F9CA5E;         /* 稍微明亮的金黄色 */
    font-weight: 700;
}

[data-theme="dark"] .award-second {
    color: #8FB87C;         /* 柔和的浅绿色 */
    font-weight: 700;
}

[data-theme="dark"] .award-third {
    color: #E8A57F;         /* 柔和的浅橙铜色 */
    font-weight: 700;
}

[data-theme="dark"] .award-other {
    color: #C197D2;         /* 明亮的淡紫色 */
    font-weight: 600;
}

/* ============================================
   Full Screen / Edge-to-Edge Layout
   ============================================ */

html {
    width: 100vw;
    height: 100vh;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    width: 100vw;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   Page Container - Full Width, Zero Margins
   ============================================ */

#page-container {
    width: 100vw;
    min-height: 100vh;
    background-color: var(--bg-secondary);
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

#resume-page {
    width: 100vw;
    min-height: 100vh;
    background-color: var(--bg-primary);
    padding: 4vw;
    transition: all 0.3s ease;
}

/* ============================================
   Header Section
   ============================================ */

#header {
    margin-bottom: 2vw;
    padding-bottom: 2vw;
    border-bottom: 0.15vw solid var(--border-color);
}

.header-content {
    display: block;
}

.header-content::after {
    content: "";
    display: table;
    clear: both;
}

.profile-image {
    float: left;
    width: 20vw;
    height: 20vw;
    border-radius: 1vw;
    overflow: hidden;
    background-color: var(--bg-secondary);
    border: 0.2vw solid var(--border-color);
    margin-right: 3vw;
    margin-bottom: 1vw;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}



#name {
    font-size: 2.6vw;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5vw;
}

.contact-info {
    display: flex;
    gap: 2vw;
    flex-wrap: wrap;
    margin-bottom: 0.0vw;
    margin-bottom: 0.4vw;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.6vw;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1vw;
    transition: color 0.3s ease;
}

.contact-item:hover {
    color: var(--accent-color);
}

.contact-item i {
    font-size: 1.3vw;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.supervisor {
    margin-bottom: 0.6vw;
    font-size: 1.2vw;
    color: var(--text-primary);
}

.supervisor strong {
    font-weight: 600;
}

.supervisor a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.supervisor a:hover {
    color: var(--accent-color);
    text-decoration: underline;
    transform: translateY(-0.1vw);
}

.bio {
    margin-bottom: 0.8vw;
    font-size: 1.1vw;
    line-height: 1.2;
    color: var(--text-primary);
}

.bio-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.bio-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
    transform: translateY(-0.1vw);
}

.bio p {
    margin-top: 0.8vw;
}

.research-interests {
    margin-top: 0.8vw;
    font-size: 1.1vw;
    line-height: 1.8;
}

.research-interests strong {
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Section Styles
   ============================================ */

.section {
    margin-bottom: 1.2vw;
}

/* Compact spacing for sections with toggle buttons */
.section.has-toggle {
    margin-bottom: 1.2vw; /* 保持与普通section相同的间距 */
}

/* 为toggle按钮本身添加间距 */
.section-toggle-btn {
    margin: 0.8vw auto 0.2vw auto;
}

/* 栏目间距控制类 */
.section.compact-margin {
    margin-top: 0.0vw !important; /* 有show more时的紧凑间距 */
}

.section.normal-margin {
    margin-top: 4vw !important; /* 没有show more时的正常间距 */
}

.section-title {
    font-size: 2.2vw;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6vw;
    display: flex;
    align-items: center;
    gap: 1vw;
    padding-bottom: 0.8vw;
    border-bottom: 0.15vw solid var(--border-color);
}

.section-title i {
    font-size: 2vw;
}

/* Competitions Section Color */
#competitions .section-title i {
    color: var(--color-competitions);
}

/* Publications Section Color */
#publications .section-title i {
    color: var(--color-publications);
}

/* Open Source Projects Section Color */
#open-source .section-title i {
    color: var(--color-projects);
}

/* Skills Section Color */
#skills .section-title i {
    color: var(--color-skills);
}

/* Technical Articles Section Color */
#articles .section-title i {
    color: var(--color-articles);
}

/* ============================================
   Items List
   ============================================ */

.items-list {
    display: flex;
    flex-direction: column;
    gap: 0.6vw;
}

/* ============================================
   Competition Item
   ============================================ */

.competition-item {
    display: flex;
    align-items: center;
    gap: 2vw;
    padding: 1.26vw;
    background-color: var(--card-bg);
    border-radius: 0.8vw;
    border-left: 0.3vw solid var(--color-competitions);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.competition-item:hover {
    transform: translateX(0.5vw);
    box-shadow: var(--hover-shadow);
}

.competition-content {
    flex: 1;
}

.competition-header {
    margin-bottom: 0.6vw;
}

.competition-title {
    font-size: 1.4vw;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5vw;
    line-height: 1.4;
}

.competition-meta {
    display: flex;
    gap: 0.8vw;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    font-size: 1vw;
    color: var(--text-secondary);
    margin-bottom: 0.5vw;
    font-style: italic;
}

.competition-meta .award {
    font-weight: 600;
    font-size: 1.3vw;
    font-style: italic;
}

/* 第1名 - 亮金色 */
.competition-meta .award-first {
    color: #EDA940;         /* 稍微明亮的金黄色 */
    font-weight: 700;
}

/* 第2名 - 柔和绿色 */
.competition-meta .award-second {
    color: #7A9F6C;         /* 柔和的橄榄绿 */
    font-weight: 700;
}

/* 第3名 - 柔和橙铜色 */
.competition-meta .award-third {
    color: #D8956F;         /* 柔和的橙铜色（避免与左边框豆沙粉重复） */
    font-weight: 700;
}

/* 其他名次 - 亮紫色 */
.competition-meta .award-other {
    color: #9B8B9E;         /* 亮紫灰色 */
    font-weight: 600;
}

.competition-description {
    font-size: 1vw;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5vw;
}

.competition-links {
    display: flex;
    gap: 0.8vw;
    flex-wrap: wrap;
}

.link-item {
    text-decoration: none;
    color: var(--color-competitions);
    font-size: 0.95vw;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.link-item:hover {
    color: var(--text-primary);
    opacity: 0.8;
}

.competition-image {
    flex-shrink: 0;
    width: 6vw;
    height: 6vw;
    border-radius: 0.6vw;
    overflow: hidden;
    background-color: var(--bg-primary);
    border: 0.08vw solid var(--border-color);
}

.competition-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Publication Item
   ============================================ */

.publication-item {
    display: flex;
    align-items: center;
    gap: 2vw;
    padding: 1.26vw;
    background-color: var(--card-bg);
    border-radius: 0.8vw;
    border-left: 0.3vw solid var(--color-publications);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication-item {
    /* 原有代码保持不变 */
    display: flex;
    align-items: center;
    gap: 2vw;
    padding: 1.26vw;
    background-color: var(--card-bg);
    border-radius: 0.8vw;
    border-left: 0.3vw solid var(--color-publications);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    
    /* 新增：确保定位上下文，以便 z-index 生效 */
    position: relative; 
    z-index: 1; 
}

.publication-item:hover {
    transform: translateX(0.5vw);
    box-shadow: var(--hover-shadow);
    /* 新增：悬停时极大提升层级，使其浮动在所有兄弟元素之上 */
    z-index: 1000; 
}

.publication-content {
    flex: 1;
}

.publication-title {
    font-size: 1.3vw;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5vw;
    line-height: 1.4;
    position: relative;
}

.publication-title.has-abstract {
    cursor: pointer;
}

/* Hover abstract tooltip */
.publication-title.has-abstract::after {
    content: attr(data-abstract);
    position: absolute;
    left: 0;
    top: 100%;
    margin-top: 0.5vw;
    padding: 1.2vw 1.8vw;
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 0.15vw solid var(--color-publications);
    border-radius: 0.6vw;
    font-size: 0.95vw;
    font-weight: 400;
    line-height: 1.6;
    white-space: normal;
    min-width: 45vw;
    max-width: 60vw;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 100;
    box-shadow: var(--hover-shadow);
}

.publication-title.has-abstract:hover::after {
    opacity: 1;
    visibility: visible;
}

.publication-venue {
    color: var(--text-secondary);
    margin-bottom: 0.5vw;
    font-size: 1vw;
    display: flex;
    gap: 0.8vw;
    align-items: center;
    flex-wrap: wrap;
    font-style: italic;
}

.publication-authors {
    color: var(--text-secondary);
    margin-bottom: 0.5vw;
    font-size: 1vw;
}


.competition-meta .link-item {
    font-style: italic;
}

.publication-venue .link-item {
    color: var(--color-publications);
    font-style: italic;
}

.publication-venue .link-item:hover {
    color: var(--text-primary);
    opacity: 0.8;
}

.publication-image {
    flex-shrink: 0;
    width: 6vw;
    height: 6vw;
    border-radius: 0.6vw;
    overflow: hidden;
    background-color: var(--bg-primary);
    border: 0.08vw solid var(--border-color);
}

.publication-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Open Source Projects
   ============================================ */

.project-item {
    display: flex;
    align-items: center;
    gap: 1.5vw;
    padding: 1.26vw;
    background-color: var(--card-bg);
    border-radius: 0.8vw;
    border-left: 0.3vw solid var(--color-projects);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.project-item:hover {
    transform: translateX(0.5vw);
    box-shadow: var(--hover-shadow);
}

.project-icon {
    font-size: 3vw;
    flex-shrink: 0;
    width: 3vw;
    height: 3vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon img {
    width: 3vw;
    height: 3vw;
    max-width: 3vw;
    max-height: 3vw;
    object-fit: contain;
}

.project-content {
    flex: 1;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 1vw;
    margin-bottom: 0.5vw;
    flex-wrap: wrap;
}

.project-title {
    font-size: 1.4vw;
    font-weight: 600;
    color: var(--color-projects);
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-title:hover {
    color: var(--text-primary);
}

.project-role {
    font-size: 0.75vw;
    color: var(--color-projects);
    padding: 0.15vw 0.45vw;
    background-color: var(--bg-primary);
    border-radius: 0.2vw;
    border: 0.08vw solid var(--color-projects);
    line-height: 1.3;
}

.project-badge {
    position: absolute;
    top: 1.2vw;
    right: 1.2vw;
    font-size: 0.8vw;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.25vw 0.6vw;
    background-color: var(--bg-primary);
    border-radius: 0.4vw;
    border: 0.08vw solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.25vw;
    box-shadow: 0 0.1vw 0.3vw rgba(139, 134, 130, 0.1);
    transition: all 0.3s ease;
}

.project-badge:hover {
    transform: translateY(-0.1vw);
    box-shadow: 0 0.2vw 0.5vw rgba(139, 134, 130, 0.2);
}

.project-badge i {
    color: #EDA940;
    font-size: 0.75vw;
}

/* Dark theme adjustments */
[data-theme="dark"] .project-badge {
    box-shadow: 0 0.1vw 0.3vw rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .project-badge:hover {
    box-shadow: 0 0.2vw 0.5vw rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .project-badge i {
    color: #F9CA5E;
}

.project-description {
    font-size: 1vw;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5vw;
}

.project-tags {
    display: flex;
    gap: 0.5vw;
    flex-wrap: wrap;
}

.project-tag {
    font-size: 0.75vw;
    color: var(--color-projects);
    padding: 0.15vw 0.45vw;
    background-color: var(--bg-primary);
    border-radius: 0.2vw;
    border: 0.08vw solid var(--color-projects);
    line-height: 1.3;
}

/* ============================================
   Skills Grid
   ============================================ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15vw, 1fr));
    gap: 1.5vw;
    margin-bottom: 0vw; /* 与普通section间距保持一致 */
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1vw;
    padding: 0.84vw 1.5vw;
    background-color: var(--card-bg);
    border-radius: 0.6vw;
    border-left: 0.15vw solid var(--color-skills);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-item:hover {
    transform: translateX(0.5vw);
    box-shadow: var(--hover-shadow);
}

.skill-icon {
    width: 2.0vw;
    height: 2.0vw;
    font-size: 2vw;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.skill-name {
    font-size: 1.1vw;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   Technical Articles
   ============================================ */

#articles-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6vw;
}

.article-item {
    padding: 1.26vw;
    background-color: var(--card-bg);
    border-radius: 0.8vw;
    border-left: 0.25vw solid var(--color-articles);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-item:hover {
    transform: translateY(-0.3vw);
    box-shadow: var(--hover-shadow);
}

.article-title-container {
    display: flex;
    align-items: center;
    gap: 0.8vw;
    margin-bottom: 0.5vw;
}

.article-title {
    font-size: 1.4vw;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.article-title-link {
    color: var(--color-articles);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title-link:hover {
    color: var(--text-primary);
}

.article-platform-icon {
    width: 1.8vw;
    height: 1.8vw;
    object-fit: contain;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.8;
}

.article-platform-icon:hover {
    transform: scale(1.1);
    opacity: 1;
}

.article-subtitle {
    font-size: 1vw;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5vw;
}

.article-tags-date-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1vw;
}

.article-tags {
    display: flex;
    gap: 0.6vw;
    flex-wrap: wrap;
    flex: 1;
}

.article-tag {
    font-size: 0.75vw;
    color: var(--color-articles);
    padding: 0.15vw 0.45vw;
    background-color: var(--bg-primary);
    border-radius: 0.2vw;
    border: 0.08vw solid var(--color-articles);
}

.article-date {
    font-size: 0.9vw;
    color: var(--text-secondary);
    white-space: nowrap;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9vw;
    color: var(--text-secondary);
}

/* ============================================
   Theme Toggle Button
   ============================================ */

.theme-toggle {
    position: fixed;
    top: 1.5vw;
    right: 1.5vw;
    width: 3.5vw;
    height: 3.5vw;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 0.15vw solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5vw;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--hover-shadow);
}

/* ============================================
   Responsive Adjustments (for very small screens)
   ============================================ */

@media screen and (max-width: 768px) {
    #resume-page {
        padding: 6vw 4vw;
    }
    
    .header-content {
        display: block;
    }

    .profile-image {
        margin-right: 2vw;
        width: 25vw; /* 缩小图片尺寸 */
        height: 25vw;
    }
    
    #name {
        font-size: 4.5vw;
    }
    
    .contact-item {
        font-size: 2vw;
    }
    
    .contact-item i {
        font-size: 2.2vw;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }
    
    .supervisor {
        font-size: 2vw;
    }
    
    .bio {
        font-size: 2.2vw;
        margin-bottom: 2vw;
    }
    
    .bio p {
        margin-top: 2vw;
    }

    .research-interests {
        font-size: 2.2vw;
        margin-top: 2vw;
    }
    
    .section-title {
        font-size: 4vw;
    }
    /* [新增] 修复图标过小的问题 */
    .section-title i {
        font-size: 3.8vw; /* 将图标调整为接近文字大小 (推荐 3.6vw - 4.0vw) */
    }
    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(40vw, 1fr));
    }
    
    #articles-list {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Image Modal/Lightbox
   ============================================ */

.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-modal.active {
    display: flex;
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    margin: auto;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2001;
}

#modal-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 1vw;
    box-shadow: 0 1vw 3vw rgba(0, 0, 0, 0.5);
    background-color: var(--bg-primary);
}

.modal-caption {
    margin-top: 1.5vw;
    padding: 1vw 2vw;
    background-color: var(--card-bg);
    border-radius: 0.6vw;
    color: var(--text-primary);
    font-size: 1.2vw;
    max-width: 80vw;
    text-align: center;
    box-shadow: var(--shadow);
}

.modal-close {
    position: absolute;
    top: -4vw;
    right: 0;
    width: 3.5vw;
    height: 3.5vw;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 0.15vw solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5vw;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.modal-close:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--hover-shadow);
}

/* Make images clickable */
.competition-image img,
.publication-image img {
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.competition-image img:hover,
.publication-image img:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* ============================================
   Section Toggle Button (Collapsible Sections)
   ============================================ */

.section-toggle-btn {
    display: flex;
    margin: 0.8vw auto 0.2vw auto;
    padding: 0.8vw 1.6vw;
    background-color: transparent;
    color: var(--text-secondary);
    border: 0.15vw solid var(--border-color);
    border-radius: 0.8vw;
    font-size: 1vw;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    align-items: center;
    justify-content: center;
    gap: 0.6vw;
    width: fit-content;
    position: relative;
    overflow: hidden;
}

.section-toggle-btn:hover {
    transform: translateY(-0.15vw);
    box-shadow: var(--hover-shadow);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

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

.section-toggle-btn i {
    font-size: 0.9vw;
    transition: transform 0.3s ease;
    opacity: 0.8;
}

.section-toggle-btn .toggle-count {
    font-weight: 600;
    font-size: 0.9vw;
}

/* Section-specific colors */
.section-toggle-competitions {
    border-color: var(--color-competitions);
    color: var(--color-competitions);
}

.section-toggle-competitions:hover {
    background-color: var(--color-competitions);
    color: var(--bg-primary);
    border-color: var(--color-competitions);
}

.section-toggle-publications {
    border-color: var(--color-publications);
    color: var(--color-publications);
}

.section-toggle-publications:hover {
    background-color: var(--color-publications);
    color: var(--bg-primary);
    border-color: var(--color-publications);
}

.section-toggle-projects {
    border-color: var(--color-projects);
    color: var(--color-projects);
}

.section-toggle-projects:hover {
    background-color: var(--color-projects);
    color: var(--bg-primary);
    border-color: var(--color-projects);
}

.section-toggle-articles {
    border-color: var(--color-articles);
    color: var(--color-articles);
}

.section-toggle-articles:hover {
    background-color: var(--color-articles);
    color: var(--bg-primary);
    border-color: var(--color-articles);
}

/* Items visibility control */
.items-list > .hidden {
    display: none;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, max-height 0.3s ease;
}

.items-list > .visible {
    display: flex;
    opacity: 1;
    max-height: none;
    animation: fadeInSlide 0.4s ease forwards;
}

/* Special handling for grid layouts to prevent layout shifts */
#articles-list > .hidden {
    display: none !important;
}

#articles-list > .visible {
    display: block !important;
    animation: fadeInSlide 0.4s ease forwards;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(-1vw);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Clear float after toggle button */
.section {
    overflow: visible;
}


/* Responsive adjustments for toggle button */
@media screen and (max-width: 768px) {
    .section-toggle-btn {
        font-size: 2.2vw;
        padding: 1.2vw 2.5vw;
        border-radius: 1.2vw;
        margin: 1.5vw auto 0 auto;
        gap: 0.8vw;
    }
    
    .section-toggle-btn i {
        font-size: 1.8vw;
    }
    
    .section-toggle-btn .toggle-count {
        font-size: 2.2vw;
    }
}

/* Print styles - hide toggle buttons when printing */
@media print {
    .section-toggle-btn {
        display: none !important;
    }
    
    .items-list > .hidden {
        display: flex !important;
        opacity: 1 !important;
        max-height: none !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    body {
        background-color: white;
    }
    
    #page-container {
        padding: 0;
    }
    
    #resume-page {
        padding: 2vw 4vw;
    }
    
    .theme-toggle {
        display: none;
    }
    
    .image-modal {
        display: none !important;
    }
    
    .competition-item:hover,
    .publication-item:hover,
    .project-item:hover,
    .skill-item:hover,
    .article-item:hover {
        transform: none;
        box-shadow: none;
    }
}

/* Responsive adjustments for modal */
@media screen and (max-width: 768px) {
    .modal-close {
        top: -5vw;
        width: 5vw;
        height: 5vw;
        font-size: 2.5vw;
    }
    
    .modal-caption {
        font-size: 2.5vw;
        padding: 2vw 3vw;
    }
}