/* 资料库管理页样式（与主站同主题） */
:root {
  --bg: #faf7f2;
  --header: #6f4e37;
  --header-dark: #5a3e2c;
  --text: #2b2119;
  --text-sub: #8a7a6a;
  --border: #e8dfd3;
  --accent: #c98a4b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* 顶栏 */
.kb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  padding-top: calc(14px + env(safe-area-inset-top));
  background: linear-gradient(135deg, var(--header), var(--header-dark));
  color: #fff;
}
.kb-title { font-size: 17px; font-weight: 600; }

/* 版本徽标（发版时与 ?v=N、SW CACHE_NAME 同步） */
.app-version {
  font-size: 0.7rem; font-weight: 400; margin-left: 8px;
  color: rgba(255,255,255,0.75);
  white-space: nowrap; user-select: none; vertical-align: middle;
}

.btn-ghost {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-ghost:active { background: rgba(255,255,255,0.25); }

/* 登录 */
.login { max-width: 420px; margin: 60px auto; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 16px; text-align: center; }
.login-tip { font-size: 14px; color: var(--text-sub); margin-bottom: 14px; }
.login-row { display: flex; gap: 8px; }
.login-row input {
  flex: 1; border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 14px; font-size: 14px; outline: none; background: var(--bg);
}
.login-row input:focus { border-color: var(--accent); }
.btn-primary { border: none; border-radius: 999px; background: var(--header); color: #fff; font-size: 14px; padding: 0 18px; cursor: pointer; }
.err { color: #b3261e; font-size: 13px; margin-top: 10px; }

/* 内容区 */
.main { max-width: 760px; margin: 0 auto; padding: 20px 16px 60px; }
.toolbar { display: flex; justify-content: flex-end; gap: 8px; margin-bottom: 16px; }
.toolbar .btn-ghost { background: #fff; border-color: var(--border); color: var(--text); }

h2 { font-size: 16px; margin-bottom: 12px; }

/* 文档卡片 */
.docs { display: flex; flex-direction: column; gap: 10px; }
.doc-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; cursor: pointer; transition: box-shadow 0.15s;
}
.doc-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); border-color: var(--accent); }
.doc-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.doc-meta { font-size: 12px; color: var(--text-sub); }

/* 分块 */
.detail h2 { margin-top: 4px; }
.detail .btn-ghost { background: #fff; border-color: var(--border); color: var(--text); margin-bottom: 12px; }
.chunks { display: flex; flex-direction: column; gap: 10px; }
.chunk { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.chunk-head { font-size: 12px; color: var(--text-sub); background: #f5efe7; padding: 6px 12px; border-bottom: 1px solid var(--border); }
.chunk-body { font-size: 14px; line-height: 1.6; padding: 12px 14px; white-space: pre-wrap; word-break: break-word; }

.empty { color: var(--text-sub); font-size: 14px; }