/*
Theme Name: Airdrops Theme
Theme URI: https://example.com/airdrops-theme
Author: Airdrop Site
Description: A lightweight theme for crypto airdrops directory
Version: 0.2.0
Text Domain: airdrops-theme
*/

:root {
    /* Ant Design Light Token System (default) */
    --ant-bg-layout: #f5f7fa;
    --ant-bg-container: #ffffff;
    --ant-bg-elevated: #ffffff;
    --ant-text-primary: rgba(0, 0, 0, 0.88);
    --ant-text-secondary: rgba(0, 0, 0, 0.45);
    --ant-border-color: #d9d9d9;
    --ant-border-color-split: #f0f0f0;
    --ant-primary: #1677ff;
    --ant-primary-hover: #4096ff;
    --ant-success: #49aa19;
    --ant-warning: #d89614;
    --ant-error: #dc4446;
    --ant-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
    --ant-shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.14);
    --radius: 8px;
    --nav-hover-bg: rgba(0, 0, 0, 0.06);
    /* 新增变量：卡片悬停与 logo 背景（浅色） */
    --card-hover-bg: #fafafa;
    --logo-bg: #f5f7fa;
}

html[data-theme="dark"] {
    /* Ant Design Dark Token System */
    --ant-bg-layout: #000000;
    --ant-bg-container: #141414;
    --ant-bg-elevated: #1f1f1f;
    --ant-text-primary: rgba(255, 255, 255, 0.85);
    --ant-text-secondary: rgba(255, 255, 255, 0.45);
    --ant-border-color: #303030;
    --ant-border-color-split: #424242;
    --ant-primary: #1677ff;
    --ant-primary-hover: #4096ff;
    --ant-success: #49aa19;
    --ant-warning: #d89614;
    --ant-error: #dc4446;
    --ant-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
    --ant-shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.4);
    --radius: 8px;
    --nav-hover-bg: rgba(255, 255, 255, 0.08);
    /* 新增变量：卡片悬停与 logo 背景（深色） */
    --card-hover-bg: #1f1f1f;
    --logo-bg: #1f1f1f;
}

body {
    margin: 0;
    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: var(--ant-bg-layout);
    color: var(--ant-text-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5715;
    font-size: 14px;
}

a {
    text-decoration: none;
    color: var(--ant-text-primary);
    transition: color 0.2s;
}

a:hover {
    color: var(--ant-primary);
}

.container {
    max-width: 1400px; /* Wider container for PC */
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    background: var(--ant-bg-container);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--ant-border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    padding: 6px 16px;
    border-radius: 6px;
    font-weight: 500;
    color: var(--ant-text-secondary);
    font-size: 14px;
    transition: all 0.3s;
}

.nav a.active, .nav a:hover {
    background: var(--nav-hover-bg);
    color: var(--ant-text-primary);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--ant-text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
}

.search form {
    display: flex;
}
.search input {
    background: var(--ant-bg-elevated);
    border: 1px solid var(--ant-border-color);
    color: var(--ant-text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    outline: none;
}
.search input:focus {
    border-color: var(--ant-primary);
}

/* Drawer (Mobile Menu) - Hidden by default */
.drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.drawer.show {
    opacity: 1;
    visibility: visible;
}

.drawer-inner {
    background: var(--ant-bg-container);
    width: 250px;
    height: 100%;
    transform: translateX(-100%);
    transition: transform 0.3s;
    padding: 24px;
    border-right: 1px solid var(--ant-border-color);
}

.drawer.show .drawer-inner {
    transform: translateX(0);
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.drawer-nav a {
    font-size: 16px;
    font-weight: 500;
    display: block;
}

/* Bottom Nav (Mobile) */
.bottom-nav {
    display: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--ant-bg-container) 0%, var(--ant-bg-elevated) 100%);
    margin: 32px 0;
    border: 1px solid var(--ant-border-color);
    border-radius: 16px;
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.2;
    margin: 0 0 24px;
    font-weight: 700;
    /* 改为正常文字颜色，提升浅色模式可读性 */
    color: var(--ant-text-primary);
}


.hero p {
    font-size: 18px;
    color: var(--ant-text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Knowledge category page layout */
.knowledge-list { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.knowledge-list .home-section { margin: 12px 0 24px; }
.knowledge-list .card-list { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 768px) { .knowledge-list .card-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .knowledge-list .card-list { grid-template-columns: repeat(3, 1fr); } }
.knowledge-list .card-summary { min-height: 40px; }

.home-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 64px; }

.home-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--ant-border-color);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--ant-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-all {
    font-size: 14px;
    color: var(--ant-primary);
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Ant Design Style Cards */
.card-link {
    display: block;
    transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.card {
    background: var(--ant-bg-elevated);
    border: 1px solid var(--ant-border-color);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.3s;
    position: relative;
}

.card-link:hover .card {
    transform: translateY(-4px);
    box-shadow: var(--ant-shadow-hover);
    border-color: var(--ant-border-color-split);
    background: var(--card-hover-bg);
}

.card-top {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--logo-bg);
    color: var(--ant-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    flex-shrink: 0;
    border: 1px solid var(--ant-border-color);
}

.logo.hot-logo {
    background: rgba(250, 140, 22, 0.1);
    color: #fa8c16;
    border-color: rgba(250, 140, 22, 0.2);
}

.logo.update-logo {
    background: rgba(114, 46, 209, 0.1);
    color: #722ed1;
    border-color: rgba(114, 46, 209, 0.2);
}

.card-main {
    flex: 1;
    min-width: 0;
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.card-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--ant-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 8px;
}

/* Ant Design Tag Styles for Badges */
.badge {
    font-size: 12px;
    line-height: 20px;
    padding: 0 8px;
    border-radius: 4px;
    border: 1px solid transparent;
    white-space: nowrap;
    font-weight: 400;
}

.status-in_progress {
    color: #52c41a;
    background: rgba(82, 196, 26, 0.16);
    border-color: rgba(82, 196, 26, 0.3);
}

.status-pending {
    color: #faad14;
    background: rgba(250, 173, 20, 0.16);
    border-color: rgba(250, 173, 20, 0.3);
}

.status-ended {
    color: #ff4d4f;
    background: rgba(255, 77, 79, 0.16);
    border-color: rgba(255, 77, 79, 0.3);
}

.hot-badge {
    color: #fa8c16;
    background: rgba(250, 140, 22, 0.16);
    border-color: rgba(250, 140, 22, 0.3);
}

.card-meta-row {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--ant-text-secondary);
}

.meta-tag {
    color: var(--ant-text-primary);
    background: rgba(255, 255, 255, 0.04);
    padding: 2px 8px;
    border-radius: 4px;
}

.card-summary {
    font-size: 14px;
    color: var(--ant-text-secondary);
    line-height: 1.6;
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 44px; /* Fixed height for 2 lines */
}

/* Empty State */
.empty-state {
    color: var(--ant-text-secondary);
    text-align: center;
    padding: 32px;
    background: var(--ant-bg-container);
    border-radius: var(--radius);
    border: 1px dashed var(--ant-border-color);
}

/* Footer */
.footer {
    margin-top: 64px;
    padding: 48px 0;
    color: var(--ant-text-secondary);
    border-top: 1px solid var(--ant-border-color);
    text-align: center;
    background: var(--ant-bg-layout);
}

/* Single Page & Generic */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 15px;
    font-size: 14px;
    border-radius: 6px;
    height: 32px;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid var(--ant-border-color);
    background: transparent;
    color: var(--ant-text-primary);
}

.btn-primary {
    background: var(--ant-primary);
    border-color: var(--ant-primary);
    color: #fff;
    box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1);
}

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

/* Responsive */
@media (max-width: 1200px) {
    .home-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .home-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 32px;
    }
    .container {
        padding: 0 16px;
    }
    .hamburger {
        display: block;
    }
    .nav {
        display: none;
    }
    .bottom-nav {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--ant-bg-container);
        border-top: 1px solid var(--ant-border-color);
        padding: 12px;
        z-index: 90;
    }
    .bottom-nav-inner {
        display: flex;
        justify-content: space-around;
    }
    .bottom-nav-inner a {
        font-size: 12px;
        color: var(--ant-text-secondary);
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    body.has-bottom {
        padding-bottom: 60px;
    }
}

.theme-toggle{
    background: none;
    border: 1px solid var(--ant-border-color);
    color: var(--ant-text-primary);
    font-size: 14px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
}
.theme-toggle:hover{
    color: var(--ant-primary);
    border-color: var(--ant-primary);
}



.confirmed-ribbon { position: absolute; bottom: 10px; left: 12px; background: var(--ant-success); color: #fff; padding: 4px 12px; font-size: 12px; font-weight: 700; transform: skew(-12deg); border-radius: 4px; box-shadow: 0 4px 10px rgba(0,0,0,0.12); }

.social-icons-mini { display: flex; gap: 8px; margin-top: 8px; }
.social-icon-btn { width: 30px; height: 30px; border-radius: 50%; background: var(--ant-bg-container); border: 1px solid var(--ant-border-color); display: inline-flex; align-items: center; justify-content: center; color: var(--ant-text-secondary); transition: all 0.2s ease; box-shadow: 0 2px 6px rgba(0,0,0,0.06); }
.social-icon-btn:hover { color: var(--ant-primary); border-color: var(--ant-primary); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }

.logo-img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; box-shadow: 0 2px 6px rgba(0,0,0,0.06); }
.logo { width: 48px; height: 48px; border-radius: 50%; background: var(--logo-bg); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: var(--ant-text-secondary); overflow: hidden; position: relative; }

.hover-card:hover { background: var(--card-hover); }
/* 调整卡片摘要文字在浅色模式的对比度 */
.card-summary {
    font-size: 14px;
    color: var(--ant-text-secondary);
}
/* 强制圆形与尺寸约束，覆盖可能的默认图片样式 */
.logo .logo-img,
.logo img { width: 100% !important; height: 100% !important; border-radius: 50% !important; object-fit: cover; display: block; }
.card-header-row { display: flex; align-items: baseline; gap: 8px; }
.card-title { margin: 0; line-height: 1.3; }
.card-action-line { margin-top: 4px; }
.card-meta-row { margin-top: 6px; }
.card-title { font-size: 18px; font-weight: 600; color: var(--ant-text-primary); margin: 0; }
.card-action-line { margin-top: 6px; font-size: 13px; color: var(--ant-text-secondary); display: flex; align-items: center; gap: 6px; }
.card-meta-row { margin-top: 8px; display: flex; gap: 12px; font-size: 12px; color: var(--ant-text-secondary); }

.confirmed-ribbon { position: absolute; bottom: 10px; left: 12px; background: var(--ant-success); color: #fff; padding: 4px 12px; font-size: 12px; font-weight: 700; transform: skew(-12deg); border-radius: 4px; box-shadow: 0 4px 10px rgba(0,0,0,0.12); }

.social-icons-mini { display: flex; gap: 8px; margin-top: 8px; }
.social-icon-btn { width: 30px; height: 30px; border-radius: 50%; background: var(--ant-bg-container); border: 1px solid var(--ant-border-color); display: inline-flex; align-items: center; justify-content: center; color: var(--ant-text-secondary); transition: all 0.2s ease; box-shadow: 0 2px 6px rgba(0,0,0,0.06); }
.social-icon-btn:hover { color: var(--ant-primary); border-color: var(--ant-primary); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }