/* --- 核心美学变量 --- */
:root {
    --primary-text: #1a1a1a;
    --secondary-text: #666;
    --background: #fcfcfc;
    --card-border: #e0e0e0;
    --tag-bg: #f5f5f5;
    --focus-color: #333;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background-color: var(--background);
    color: var(--primary-text);
    margin: 0; padding: 0; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* 1. 头部与导航 */
header { background-color: white; padding: 25px 0; border-bottom: 1px solid #eee; text-align: center; }
header h1 { margin: 0; font-size: 2.2em; font-weight: 300; letter-spacing: 2px; color: var(--focus-color); }
.breadcrumb { margin-bottom: 20px; font-size: 0.9em; color: var(--secondary-text); padding-top: 20px;}
.breadcrumb a { color: var(--focus-color); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* 2. 页面标题 */
.page-header { text-align: center; margin: 40px 0; }
.page-title { font-size: 2.5em; font-weight: 700; margin-bottom: 10px; color: var(--primary-text); }
.author-bio { color: var(--secondary-text); font-style: italic; max-width: 700px; margin: 0 auto; }

/* 3. 搜索与筛选工具栏 */
#filter-toolbox {
    background-color: white;
    padding: 25px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.filter-group label { display: block; font-weight: 600; margin-bottom: 10px; color: var(--secondary-text); font-size: 0.8em; text-transform: uppercase; letter-spacing: 1px; }
#search-input {
    width: 100%; padding: 12px 15px; border: 1px solid #ddd; border-radius: 4px; font-size: 1em; outline: none; transition: all 0.3s; box-sizing: border-box;
}
#search-input:focus { border-color: var(--focus-color); box-shadow: 0 0 0 3px rgba(0,0,0,0.05); }

.tag {
    display: inline-block; background-color: var(--tag-bg); color: var(--secondary-text);
    padding: 6px 14px; border-radius: 4px; margin: 5px 6px 5px 0; font-size: 0.85em;
    cursor: pointer; transition: all 0.2s; border: 1px solid transparent; user-select: none;
}
.tag.selected { background-color: var(--focus-color); color: white; }
.tag:hover:not(.selected) { background-color: #eee; }

/* 4. 语录卡片布局 (Masonry-like Grid) */
#quotes-list,#quotes-list-faker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}
.quote-card {
    background-color: white; padding: 35px; border-radius: 12px; border: 1px solid var(--card-border);
    position: relative; overflow: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column; justify-content: space-between;
}
.quote-card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(0,0,0,0.06); border-color: #ccc; }
.quote-card::before {
    content: "“"; position: absolute; top: -15px; left: 10px; font-size: 8em; color: #f7f7f7; font-family: serif; z-index: 0;
}
.quote-text { font-size: 1.15em; position: relative; z-index: 1; margin-bottom: 25px; color: var(--primary-text); }

.quote-footer {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid #f9f9f9; padding-top: 15px; z-index: 1;
}
.quote-source { font-size: 0.85em; color: var(--secondary-text); font-style: italic; }

.copy-btn {
    background: none; border: 1px solid var(--focus-color); color: var(--focus-color);
    padding: 6px 16px; border-radius: 20px; cursor: pointer; font-size: 0.8em; font-weight: 600; transition: all 0.2s;
}
.copy-btn:hover { background-color: var(--focus-color); color: white; }

/* 5. 广告位 */
.ad-banner { background-color: #f9f9f9; border: 1px dashed #ddd; text-align: center; padding: 15px; margin: 30px 0; color: #999; font-size: 0.85em; border-radius: 4px; min-height: 60px; display: flex; align-items: center; justify-content: center; }

@media (max-width: 768px) {
    #quotes-list,#quotes-list-faker { grid-template-columns: 1fr; }
    .page-title { font-size: 2em; }
}