/* ============================================================
 * Maoboli —— 毛玻璃主题样式
 * 全部颜色/尺寸走 CSS 变量，后台可换肤、可切明暗
 * ========================================================== */

/* ---------- 变量：亮色（默认） ---------- */
:root {
  --ui-scale: 1;
  --accent: #4f9dff;
  --accent-2: #6ad7ff;
  --accent-soft: rgba(79, 157, 255, 0.16);

  --bg-1: #eaf2ff;
  --bg-2: #f6f0ff;
  --bg-3: #e8fff6;
  --blob-1: rgba(79, 157, 255, 0.65);
  --blob-2: rgba(140, 120, 255, 0.60);
  --blob-3: rgba(90, 220, 200, 0.55);

  --text: #1f2533;
  --text-2: #5a6376;
  --text-3: #8a93a6;

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-2: rgba(255, 255, 255, 0.38);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-shadow: 0 8px 30px rgba(31, 37, 51, 0.12);

  --radius: 18px;
  --radius-sm: 12px;
  --gap: 22px;

  --maxw: 1100px;
  --nav-h: 60px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 变量：暗色 ---------- */
[data-theme="dark"] {
  --bg-1: #0e1220;
  --bg-2: #161226;
  --bg-3: #0c1a1a;
  --blob-1: rgba(79, 157, 255, 0.55);
  --blob-2: rgba(150, 120, 255, 0.52);
  --blob-3: rgba(80, 210, 190, 0.45);

  --text: #e9edf6;
  --text-2: #aab3c5;
  --text-3: #79839a;

  --glass-bg: rgba(28, 33, 52, 0.55);
  --glass-bg-2: rgba(28, 33, 52, 0.38);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);

  --accent-soft: rgba(79, 157, 255, 0.22);
}
/* 暗色兜底：确保 html/body 不会透出白色 */
[data-theme="dark"] html,
[data-theme="dark"] body {
  background: #0e1220;
}

/* ---------- 配色预设（由 header.php 注入 data-accent） ---------- */
[data-accent="zi"] {
  --accent: #a878ff; --accent-2: #ff8fd0;
  --accent-soft: rgba(168, 120, 255, 0.18);
  --blob-1: rgba(168, 120, 255, 0.45);
  --blob-2: rgba(255, 143, 208, 0.40);
  --blob-3: rgba(120, 160, 255, 0.35);
}
[data-accent="fen"] {
  --accent: #ff8a5c; --accent-2: #ff6fae;
  --accent-soft: rgba(255, 138, 92, 0.18);
  --blob-1: rgba(255, 138, 92, 0.45);
  --blob-2: rgba(255, 111, 174, 0.40);
  --blob-3: rgba(255, 200, 120, 0.35);
}
[data-accent="hei"] {
  --accent: #8a93a6; --accent-2: #b8c0d0;
  --accent-soft: rgba(138, 147, 166, 0.18);
  --blob-1: rgba(138, 147, 166, 0.40);
  --blob-2: rgba(184, 192, 208, 0.35);
  --blob-3: rgba(120, 128, 145, 0.30);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { font-size: calc(16px * var(--ui-scale)); scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.75;
  background: transparent;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background .4s, color .3s;
}
/* 渐变 + 模糊光斑背景（像素级复刻 XHBlogs 三团+底色渐变） */
body::before {
  content: "";
  position: fixed; inset: -30% -30% -30% -30%;
  z-index: -2;
  background:
    radial-gradient(55% 50% at 12% 18%, var(--blob-1), transparent 70%),
    radial-gradient(55% 50% at 82% 12%, var(--blob-2), transparent 70%),
    radial-gradient(60% 55% at 48% 92%, var(--blob-3), transparent 70%),
    radial-gradient(40% 35% at 65% 65%, rgba(180,100,255,0.25), transparent 65%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2) 50%, var(--bg-3));
  filter: saturate(1.2);
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(0,-2%,0) scale(1.05); }
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-2); }
hr { border: none; border-top: 1px solid var(--glass-border); }

/* ---------- 玻璃卡片 ---------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
}

/* ---------- 布局容器 ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }
.site-main {
  display: grid; grid-template-columns: 1fr 300px; gap: var(--gap);
  align-items: start; margin-top: var(--gap);
}
.site-main.no-sidebar { grid-template-columns: 1fr; }

/* ============================================================
 * 顶部导航
 * ========================================================== */
.navbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 18px;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
}
.navbar .brand {
  font-weight: 800; font-size: 1.15rem; color: var(--text);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.navbar .brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-links a {
  color: var(--text-2); padding: 8px 14px; border-radius: 999px;
  font-weight: 600; font-size: .95rem;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text); background: var(--accent-soft);
}
.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--glass-border);
  background: var(--glass-bg-2); color: var(--text); cursor: pointer;
  display: grid; place-items: center; font-size: 1.1rem;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transition: transform .15s, background .2s;
}
.icon-btn:hover { transform: translateY(-2px); background: var(--accent-soft); }
.hamburger { display: none; }

/* 导航栏搜索框（H2） */
.nav-search { display: flex; align-items: center; }
.nav-search input {
  width: 150px; height: 38px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--glass-border); background: var(--glass-bg-2);
  color: var(--text); font-size: .9rem; outline: none;
  transition: width .2s, border-color .2s;
}
.nav-search input:focus { width: 190px; border-color: var(--accent); }
.nav-search input::placeholder { color: var(--text-3); }

/* 移动端菜单 */
@media (max-width: 860px) {
  .hamburger { display: grid; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px; background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    transform: translateY(-120%); transition: transform .3s ease;
    z-index: 49;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { border-radius: var(--radius-sm); }
  .site-main { grid-template-columns: 1fr; }
}

/* ============================================================
 * 首页头部
 * ========================================================== */
.hero { padding: 48px 0 16px; display: flex; align-items: center; gap: 28px; text-align: left; }
.hero-avatar {
  flex: 0 0 auto; width: 92px; height: 92px; border-radius: 24px; overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; box-shadow: 0 8px 30px var(--accent-soft);
}
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; }
.hero-initial { font-size: 2.4rem; font-weight: 800; color: #fff; }
.hero-info { min-width: 0; }
.hero h1 { font-size: 2.1rem; margin: 0 0 8px; }
.hero-intro { color: var(--text-2); margin: 0 0 12px; font-size: 1.05rem; }
.hero-social { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-social a {
  display: grid; place-items: center; width: 40px; height: 40px;
  border-radius: 999px; border: 1px solid var(--glass-border);
  background: var(--glass-bg-2); color: var(--text-2);
  transition: transform .15s, color .2s, background .2s;
}
.hero-social a:hover { transform: translateY(-2px); color: var(--text); background: var(--accent-soft); }
.hero-social svg { display: block; }
/* 作者维度统计条 */
.hero-stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 18px; }
.hero-stats .stat { display: flex; flex-direction: column; line-height: 1.15; }
.hero-stats .stat-num { font-size: 1.5rem; font-weight: 800; color: var(--text); }
.hero-stats .stat-label { font-size: .8rem; color: var(--text-3); margin-top: 2px; }

/* ============================================================
 * 文章卡片
 * ========================================================== */
.post-grid { display: grid; gap: var(--gap); grid-template-columns: repeat(2, 1fr); }
.post-card.featured { grid-column: span 2; }
.post-card.featured .thumb { height: 340px; }
.post-card.featured h2 { font-size: 1.6rem; }
.post-card { padding: 0; overflow: hidden; transition: transform .2s, box-shadow .2s; }
.post-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,.18); }
.post-card .thumb { width: 100%; height: 280px; object-fit: cover; border-radius: 0; display: block; background: var(--glass-bg-2); }
.post-card .card-body { padding: 20px 22px 24px; }
.post-card h2 { margin: 0 0 8px; font-size: 1.3rem; }
.post-card h2 a { color: var(--text); }
.post-card .meta { color: var(--text-3); font-size: .85rem; margin-bottom: 10px; display: flex; gap: 12px; flex-wrap: wrap; }
.post-card .excerpt { color: var(--text-2); }
.tag { display: inline-block; padding: 2px 10px; margin: 2px; border-radius: 999px;
  background: var(--accent-soft); color: var(--text); font-size: .78rem; }

/* ============================================================
 * 说说时间线
 * ========================================================== */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--accent), var(--accent-2));
  opacity: .5;
}
.shuo { position: relative; padding: 16px 18px; margin-bottom: var(--gap); }
.shuo::before {
  content: ""; position: absolute; left: -23px; top: 22px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
}
.shuo .time { color: var(--text-3); font-size: .8rem; }
.shuo .body { margin-top: 4px; }
.section-title { font-size: 1.4rem; margin: 28px 0 14px; display: flex; align-items: center; gap: 8px; }
.section-title::before {
  content: ""; width: 6px; height: 22px; border-radius: 4px;
  background: linear-gradient(var(--accent), var(--accent-2));
}

/* ============================================================
 * 文章详情
 * ========================================================== */
.post-content { padding: 30px; font-size: 1.02rem; }
.post-content h1,.post-content h2,.post-content h3 { margin-top: 1.6em; }
.post-content pre {
  background: var(--glass-bg-2); border: 1px solid var(--glass-border);
  padding: 16px; border-radius: var(--radius-sm); overflow: auto;
}
.post-content blockquote {
  margin: 1em 0; padding: 8px 18px; border-left: 4px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-2);
}
.post-content img { border-radius: var(--radius-sm); margin: 10px 0; }
.post-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; flex-wrap: wrap; }

/* ============================================================
 * 侧栏 / 模块
 * ========================================================== */
.sidebar { display: grid; gap: var(--gap); position: sticky; top: calc(var(--nav-h) + var(--gap)); }
.widget { padding: 18px; }
.widget h3 { margin: 0 0 12px; font-size: 1.05rem; }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding: 6px 0; border-bottom: 1px dashed var(--glass-border); }
.widget li:last-child { border-bottom: none; }

/* 悬浮抽屉（音乐 / 猫助理） */
.drawer {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: min(380px, 92vw); max-height: 70vh; overflow: hidden;
  display: flex; flex-direction: column; transform: translateY(120%);
  transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.drawer.open { transform: translateY(0); }
.drawer .drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--glass-border);
  font-weight: 700;
}
.drawer .drawer-body { flex: 1; overflow: auto; }
.drawer iframe { width: 100%; height: 100%; border: 0; min-height: 320px; }
.float-btn {
  position: fixed; right: 18px; z-index: 61; width: 54px; height: 54px;
  border-radius: 50%; display: grid; place-items: center; font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; cursor: pointer; border: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.float-btn.music { bottom: 84px; }
.float-btn.cat { bottom: 18px; }

/* Live2D 猫助理面板 */
.cat-panel { display: flex; flex-direction: column; height: 100%; }
.cat-stage { flex: 1; display: grid; place-items: center; min-height: 220px;
  background: radial-gradient(circle at 50% 40%, var(--accent-soft), transparent 70%); }
.cat-placeholder { font-size: 4rem; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.cat-chat { border-top: 1px solid var(--glass-border); padding: 10px; }
.cat-chat .msg { font-size: .9rem; color: var(--text-2); min-height: 40px; }
.cat-chat input { width: 100%; padding: 8px 12px; border-radius: 999px;
  border: 1px solid var(--glass-border); background: var(--glass-bg-2); color: var(--text); }

/* ============================================================
 * 评论
 * ========================================================== */
.comments { padding: 24px; margin-top: var(--gap); }
.comment-list { list-style: none; padding: 0; margin: 0 0 18px; }
.comment-list li { padding: 12px 0; border-bottom: 1px dashed var(--glass-border); }
.comment-form input, .comment-form textarea {
  width: 100%; padding: 10px 14px; margin-bottom: 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border); background: var(--glass-bg-2); color: var(--text);
}
.comment-form button {
  padding: 10px 22px; border: none; border-radius: 999px; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 700;
}
.comment-fields { display: flex; gap: 10px; flex-wrap: wrap; }
.comment-fields input { flex: 1 1 160px; }

/* honeypot：视觉上移出屏幕（非 display:none，避免被简单 bot 识别跳过），
   真实用户看不到也不会填写；机器若填写则被服务端拒绝 */
.mb-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.mb-hp label { margin: 0; }

/* ============================================================
 * 页脚（暗色玻璃，与背景融合）
 * ========================================================== */
.site-footer { margin-top: 40px; padding: 26px 0; text-align: center;
  color: var(--text-3); font-size: .88rem;
  background: rgba(12,14,22,0.65);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-top: 1px solid var(--glass-border); }
.site-footer .social a { margin: 0 8px; }

/* ============================================================
 * 工具类 / 响应式
 * ========================================================== */
.mt { margin-top: var(--gap); }
.text-2 { color: var(--text-2); }
.center { text-align: center; }
.pagination { display: flex; gap: 8px; justify-content: center; margin: 26px 0; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: 8px 14px; border-radius: 999px; background: var(--glass-bg);
  border: 1px solid var(--glass-border); color: var(--text-2);
}
.pagination .current { background: var(--accent); color: #fff; border-color: transparent; }

@media (max-width: 600px) {
  .hero { flex-direction: column; text-align: center; align-items: center; padding: 32px 0 12px; }
  .hero h1 { font-size: 1.5rem; }
  .hero-social { justify-content: center; }
  .hero-stats { justify-content: center; gap: 18px; }
  .post-content { padding: 18px; }
  .drawer { right: 8px; left: 8px; width: auto; }
  .post-grid { gap: 14px; grid-template-columns: 1fr; }
  .post-card.featured { grid-column: span 1; }
  .post-card.featured .thumb { height: 200px; }
  .post-card .thumb { height: 200px; }
  .nav-search { display: none; }
  .site-footer { padding: 20px 0; font-size: .82rem; }
}

/* 后台自定义 CSS 兜底（由 header.php 注入到 #maoboli-custom，样式照常生效） */