:root {
  --primary: #1677FF;
  --primary-dark: #0958d9;
  --bg: #f5f8ff;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a94a6;
  --border: #e3e9f3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 18px; font-weight: 600; color: var(--primary); }

.container { max-width: 880px; margin: 0 auto; padding: 20px; }

.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
}
.search-bar input:focus { border-color: var(--primary); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--primary); }

.status {
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff4e6;
  color: #ad6800;
  font-size: 14px;
  margin-bottom: 14px;
}

.doc-list { display: flex; flex-direction: column; gap: 12px; }

.doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: box-shadow .15s;
}
.doc-card:hover { box-shadow: 0 4px 14px rgba(22,119,255,.12); }

.doc-card h3 { margin: 0 0 6px; font-size: 16px; }
.doc-card .snippet { color: var(--muted); font-size: 13px; line-height: 1.6; }
.doc-card .tags { margin-top: 8px; }
.tag {
  display: inline-block;
  background: #eaf2ff;
  color: var(--primary);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  margin-right: 6px;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 18px;
}
#pageInfo { color: var(--muted); font-size: 14px; }

.doc-view { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.doc-view h2 { margin: 12px 0 8px; color: var(--primary); }
.doc-meta { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.doc-content {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  word-break: break-word;
  background: #f8fafd;
  border-radius: 8px;
  padding: 20px;
  margin: 0;
}
.doc-content h1, .doc-content h2, .doc-content h3,
.doc-content h4, .doc-content h5, .doc-content h6 { margin: 18px 0 10px; line-height: 1.4; color: var(--primary); }
.doc-content h1 { font-size: 24px; border-bottom: 2px solid var(--border); padding-bottom: 8px; }
.doc-content h2 { font-size: 20px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.doc-content h3 { font-size: 17px; }
.doc-content h4 { font-size: 15px; }
.doc-content p { margin: 10px 0; }
.doc-content ul, .doc-content ol { margin: 10px 0; padding-left: 24px; }
.doc-content li { margin: 4px 0; }
.doc-content blockquote {
  margin: 12px 0; padding: 10px 16px; border-left: 4px solid var(--primary);
  background: #f0f6ff; border-radius: 0 8px 8px 0; color: #3a4a5a;
}
.doc-content pre {
  margin: 12px 0; padding: 14px 16px; background: #1e2430;
  border-radius: 8px; overflow-x: auto;
}
.doc-content pre code {
  font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px;
  line-height: 1.6; color: #e6edf3; white-space: pre;
}
.doc-content code {
  background: #eef3fb; color: #c0341d; border-radius: 4px;
  padding: 2px 6px; font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px;
}
.doc-content hr { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.doc-content table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 14px; }
.doc-content th, .doc-content td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.doc-content th { background: #f0f6ff; color: var(--primary); font-weight: 600; }
.doc-content tbody tr:nth-child(even) { background: #fafcff; }
.doc-content img { max-width: 100%; border-radius: 8px; margin: 8px 0; }
.doc-content a { color: var(--primary); text-decoration: none; }
.doc-content a:hover { text-decoration: underline; }
.doc-content .date-tag {
  display: inline-block; background: var(--primary); color: #fff;
  border-radius: 4px; padding: 1px 8px; font-size: 12px; margin: 0 2px;
}
.doc-content .tk-keyword { color: #79c0ff; font-weight: 600; }
.doc-content .tk-string { color: #a5d6ff; }
.doc-content .tk-comment { color: #8b949e; font-style: italic; }
.doc-content .tk-number { color: #ffa657; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
/* 关键修复：hidden 属性被上面的 display:flex 覆盖，导致弹窗关不掉 */
.modal[hidden] { display: none; }
.modal-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  width: 90%; max-width: 420px;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.modal-header h3 { margin: 0; }
.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 0 4px;
}
.modal-close:hover { color: var(--text); }

.modal-card p { color: var(--muted); font-size: 14px; }
.modal-card code { background: #eef3fb; padding: 1px 6px; border-radius: 4px; }
.modal-card input {
  width: 100%; padding: 10px 12px; margin: 12px 0;
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.modal-actions { text-align: right; }

.modal-card textarea {
  width: 100%; min-height: 220px; padding: 10px 12px; margin: 8px 0;
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
  font-family: "SFMono-Regular", Consolas, monospace; resize: vertical;
}
.modal-card input { margin: 8px 0; }
.doc-actions { margin-top: 10px; display: flex; gap: 8px; }
.doc-actions .btn-ghost { padding: 6px 12px; font-size: 13px; }

.top-actions { display: flex; gap: 8px; }

.backup-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}
.backup-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafd;
}
.backup-date { font-size: 15px; font-weight: 600; color: var(--text); }
.backup-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.backup-row .btn-ghost { padding: 6px 14px; font-size: 13px; }

@media (max-width: 600px) {
  .search-bar { flex-wrap: wrap; }
  .search-bar input { flex-basis: 100%; }
}

/* ---------- 登录页 ---------- */
.login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 60px);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 360px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 8px 30px rgba(22, 119, 255, 0.08);
}
.login-card h2 { margin: 0 0 6px; font-size: 20px; color: var(--text); }
.login-sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.login-card input {
  width: 100%; padding: 11px 12px; margin: 8px 0;
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--primary); }
.login-err {
  color: #d4380d; font-size: 13px; margin: 4px 0 0;
  background: #fff2e8; border-radius: 6px; padding: 8px 10px;
}
.login-card .btn-primary { width: 100%; margin-top: 12px; padding: 11px; font-size: 15px; }