@charset "utf-8";

/* 应用温暖米色主题和经典组合字体 */
:root {
    /* 默认应用温暖米色主题 */
    --primary-bg: #fefefe;
    --secondary-bg: #f5f2f0;
    --accent-color: #5d4e37;
    --text-secondary: #8e7b6b;
    --link-color: #d2691e;
    --border-color: #e8e0d8;
    --shadow-light: 0 2px 10px rgba(93, 78, 55, 0.08);
    --shadow-medium: 0 4px 20px rgba(93, 78, 55, 0.12);
    --gradient-bg: linear-gradient(135deg, #f5f2f0 0%, #fefefe 100%);
    
    /* 默认应用经典组合字体 */
    --font-primary: "Nunito Sans", "Avenir", "Helvetica", sans-serif;
    --font-heading: "Poppins", "Montserrat", sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-body: 1.6;
    --line-height-heading: 1.3;
    --letter-spacing-normal: 0.01em;
    --letter-spacing-heading: -0.02em;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-body);
    letter-spacing: var(--letter-spacing-normal);
    color: var(--accent-color);
    background-color: var(--primary-bg);
    padding-top: 5.0rem;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading);
    color: var(--accent-color);
}

.card {
    border-radius: 0.8rem!important;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.card-img-overlay {
    border-radius: 0.8rem!important;
}

.rounded-xl {
    border-radius: 0.8rem!important;
}

.rounded-xl-bottom {
    border-bottom-right-radius: 0.8rem !important;
    border-bottom-left-radius: 0.8rem !important;
}

.rounded-xl-top {
    border-top-left-radius: 0.8rem !important;
    border-top-right-radius: 0.8rem !important;
}


.text-profile-position {
    font-weight: 400;
}

.text-profile-bio {
    /* font-family: "Raleway"; */
    font-weight: 400;
}

.navbar {
    opacity: 0.95;
    background: var(--gradient-bg) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.navbar-brand, .navbar-nav .nav-link {
    color: var(--accent-color) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--link-color) !important;
}

/* 导航栏切换按钮样式 */
.navbar-toggler {
    border: 1px solid var(--border-color) !important;
    padding: 0.25rem 0.5rem !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(93, 78, 55, 0.25) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2893, 78, 55, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* 移动端导航栏样式 */
@media (max-width: 575.98px) {
    .navbar-collapse {
        background-color: var(--secondary-bg);
        border: 1px solid var(--border-color);
        border-radius: 0.5rem;
        margin-top: 0.5rem;
        padding: 1rem;
        box-shadow: var(--shadow-light);
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 1rem !important;
        border-radius: 0.25rem;
        transition: all 0.3s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: var(--border-color);
    }
}

/* 链接样式 */
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* 按钮样式 */
.btn-primary {
    background-color: var(--link-color);
    border-color: var(--link-color);
    color: white;
}

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

/* 文字颜色 */
.text-muted {
    color: var(--text-secondary) !important;
}

.inline-badge {
    height: 16px;
    vertical-align: -10%;
    margin-right: 2px;
    line-break: unset;
}

.no-break {
    white-space: nowrap;
}

.cover-image {
    width: 180px;
    max-height: 120px;
}

.abstract-body {
    min-height: 100px;
}

img.lazy {
    background-image: url('images/loading.gif');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: 50px 50px;
    min-height: 80px;
}

div.lazy {
    background-image: url('images/loading.gif');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: 50px 50px;
    min-height: 80px;
}

.badge-publication {
    font-size: 100%;
}

.email-text {
    font-family: Source Code Pro, monospace;
}

/* Read More/Read Less button styles */
.read-more-btn {
    border: none !important;
    background: none !important;
    padding: 0 !important;
    margin-left: 5px;
    font-size: 0.875rem !important;
    color: var(--link-color) !important;
    text-decoration: none !important;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline !important;
    white-space: nowrap;
}

.read-more-btn:hover {
    color: var(--accent-color) !important;
    text-decoration: underline !important;
}

.read-more-btn:focus {
    outline: none;
    box-shadow: none !important;
}

.abstract-container {
    position: relative;
}

.abstract-text {
    transition: all 0.3s ease;
    display: inline;
}

/* Bootstrap primary 颜色覆盖 - 使用温暖米色主题 */
.btn-primary {
    background-color: var(--link-color) !important;
    border-color: var(--link-color) !important;
    color: white !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--accent-color) !important;
    border-color: var(--accent-color) !important;
    color: white !important;
}

/* 链接颜色覆盖 */
a.text-primary,
.text-primary {
    color: var(--link-color) !important;
}

/* 背景颜色覆盖 */
.bg-primary {
    background-color: var(--link-color) !important;
}

/* 边框颜色覆盖 */
.border-primary {
    border-color: var(--link-color) !important;
}

/* 确保文本颜色正确显示 */
.text-white {
    color: white !important;
}

.text-dark {
    color: var(--accent-color) !important;
}

/* 修复可能的白色文本问题 */
.navbar-brand,
.nav-link,
h1, h2, h3, h4, h5, h6,
p, span, div {
    color: var(--accent-color) !important;
}

.navbar-brand strong {
    color: var(--accent-color) !important;
}

/* 图片描述文字设置为白色 */
.carousel-caption h5,
.carousel-caption p {
    color: white !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px 15px;
}