/*
Theme Name: 清思微社区
Theme URI: https://www.qingsiwei.cn
Author: qingsiwei
Description: 轻量社区主题：首页集成版块导航、最新主题与资讯速递，适配 bbPress 论坛。
Version: 1.0
Text Domain: qingsiwei
*/

:root {
  --qs-primary: #4f46e5;
  --qs-primary-soft: #eef2ff;
  --qs-text: #1f2937;
  --qs-muted: #6b7280;
  --qs-border: #e5e7eb;
  --qs-bg: #f8fafc;
  --qs-card: #ffffff;
  --qs-radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--qs-text);
  background: var(--qs-bg);
  line-height: 1.7;
}

a { color: var(--qs-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ---------- 顶栏 ---------- */
.qs-header {
  background: #fff;
  border-bottom: 1px solid var(--qs-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.qs-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.qs-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--qs-text);
  white-space: nowrap;
}
.qs-logo span { color: var(--qs-primary); }
.qs-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex-wrap: wrap; }
.qs-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--qs-muted);
  font-size: 15px;
}
.qs-nav a:hover { background: var(--qs-primary-soft); color: var(--qs-primary); text-decoration: none; }

/* ---------- 版式 ---------- */
.qs-container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 48px; }

.qs-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-radius: 16px;
  color: #fff;
  padding: 48px 36px;
  margin-bottom: 32px;
}
.qs-hero h1 { margin: 0 0 10px; font-size: 30px; }
.qs-hero p { margin: 0 0 22px; opacity: .92; font-size: 16px; }
.qs-hero .qs-btn-white {
  display: inline-block;
  background: #fff;
  color: var(--qs-primary);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
}
.qs-hero .qs-btn-white:hover { text-decoration: none; opacity: .92; }

.qs-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 28px 0 14px;
}
.qs-section-title h2 { margin: 0; font-size: 20px; }
.qs-section-title a { font-size: 14px; }

.qs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.qs-card {
  background: var(--qs-card);
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius);
  padding: 20px;
  transition: box-shadow .15s ease, transform .15s ease;
}
.qs-card:hover { box-shadow: 0 8px 24px rgba(31,41,55,.08); transform: translateY(-2px); }
.qs-card h3 { margin: 0 0 8px; font-size: 17px; }
.qs-card h3 a { color: var(--qs-text); }
.qs-card p { margin: 0; color: var(--qs-muted); font-size: 14px; }
.qs-card .qs-forum-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--qs-primary-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 12px;
}
.qs-card .qs-forum-meta { margin-top: 12px; font-size: 13px; color: var(--qs-muted); }

/* ---------- 主题列表 ---------- */
.qs-topic-list { background: #fff; border: 1px solid var(--qs-border); border-radius: var(--qs-radius); overflow: hidden; }
.qs-topic-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--qs-border);
}
.qs-topic-item:last-child { border-bottom: 0; }
.qs-topic-item .qs-avatar { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }
.qs-topic-main { flex: 1; min-width: 0; }
.qs-topic-main .qs-topic-title { margin: 0; font-size: 15.5px; font-weight: 600; }
.qs-topic-main .qs-topic-title a { color: var(--qs-text); }
.qs-topic-main .qs-topic-title a:hover { color: var(--qs-primary); }
.qs-topic-main .qs-topic-meta { font-size: 12.5px; color: var(--qs-muted); margin-top: 3px; }
.qs-topic-badge {
  display: inline-block;
  background: var(--qs-primary-soft);
  color: var(--qs-primary);
  border-radius: 6px;
  padding: 1px 8px;
  font-size: 12px;
  margin-right: 8px;
}
.qs-topic-count { text-align: center; flex-shrink: 0; min-width: 46px; }
.qs-topic-count b { display: block; font-size: 16px; color: var(--qs-text); }
.qs-topic-count span { font-size: 12px; color: var(--qs-muted); }

/* ---------- 内容页 ---------- */
.qs-content-card {
  background: #fff;
  border: 1px solid var(--qs-border);
  border-radius: var(--qs-radius);
  padding: 28px 32px;
}
.entry-title { margin-top: 0; font-size: 24px; }
.entry-meta { color: var(--qs-muted); font-size: 13.5px; margin-bottom: 18px; }
.entry-content { font-size: 15.5px; }
.entry-content pre {
  background: #0f172a; color: #e2e8f0; padding: 14px 16px;
  border-radius: 10px; overflow-x: auto; font-size: 13.5px; line-height: 1.6;
}
.entry-content code { background: var(--qs-primary-soft); padding: 2px 6px; border-radius: 5px; font-size: .92em; }
.entry-content pre code { background: transparent; padding: 0; }

.qs-footer {
  border-top: 1px solid var(--qs-border);
  background: #fff;
  padding: 24px 20px;
  text-align: center;
  color: var(--qs-muted);
  font-size: 13.5px;
}

/* ---------- bbPress 适配 ---------- */
.bbpress .entry-content, .bbp-body { font-size: 15px; }
#bbpress-forums { font-size: 15px; }
#bbpress-forums .bbp-forum-info { width: 55%; }
#bbpress-forums a.bbp-forum-title, #bbpress-forums a.bbp-topic-permalink { font-weight: 600; }
#bbpress-forums fieldset.bbp-form { border: 1px solid var(--qs-border); border-radius: 10px; }
#bbpress-forums .bbp-topic-form, #bbpress-forums .bbp-reply-form { background: #fff; border: 1px solid var(--qs-border); border-radius: 12px; padding: 8px 18px; }
#bbpress-forums div.bbp-submit-wrapper button, #bbpress-forums .bbp-submit-wrapper button {
  background: var(--qs-primary); color: #fff; border: 0;
  padding: 9px 24px; border-radius: 8px; cursor: pointer; font-size: 15px;
}
#bbpress-forums textarea, #bbpress-forums input[type="text"], #bbpress-forums input[type="email"], #bbpress-forums input[type="password"] {
  border: 1px solid var(--qs-border); border-radius: 8px; padding: 8px 10px; width: 100%;
}
.bbp-pagination { font-size: 14px; }

@media (max-width: 720px) {
  .qs-header-inner { height: auto; padding: 10px 16px; flex-direction: column; align-items: flex-start; }
  .qs-hero { padding: 32px 22px; }
  .qs-hero h1 { font-size: 24px; }
  .qs-content-card { padding: 20px; }
}