:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #232a33;
  --muted: #76828f;
  --line: #e3e8ef;
  --accent: #2f6fdb;
  --accent-soft: #e9f1fe;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg);
  /* 极淡的点纹理，纯 CSS，不加载任何图片 */
  background-image: radial-gradient(rgba(40, 50, 60, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[v-cloak] {
  display: none;
}

/* topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(244, 246, 249, 0.82);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.top-actions {
  display: flex;
  gap: 10px;
}

/* 副标题条，填补“太素”的空白，纯文字不花哨 */
.page-intro {
  max-width: 1300px;
  margin: 0 auto;
  padding: 18px 32px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.intro-text {
  color: var(--muted);
  font-size: 13px;
}

.intro-doc {
  color: var(--accent);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.intro-doc:hover {
  text-decoration: underline;
}

/* 动态语录（每日一条，按日期稳定） */
.yulu {
  color: var(--ink);
  font-size: 14px;
  font-style: italic;
  letter-spacing: 0.3px;
}

/* buttons */
.ghost-btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.ghost-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ghost-btn.danger:hover {
  border-color: #b4453a;
  color: #b4453a;
}

.primary-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
}

.primary-btn.full {
  width: 100%;
}

.icon-btn {
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}

.mini-btn {
  border: 1px solid var(--line);
  background: #fff;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink);
}

.mini-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.mini-btn.danger:hover {
  border-color: #b4453a;
  color: #b4453a;
}

/* layout —— 加宽内容区，分类栏在左侧，不再挤在中间 */
.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 32px 32px 90px;
}

.sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow: auto;
  border-right: 1px solid var(--line);
  padding-right: 16px;
}

.cat-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cat-link {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}

.cat-link:hover {
  color: var(--ink);
  background: var(--accent-soft);
}

.cat-link.active {
  color: var(--ink);
  border-left-color: var(--line);
  background: #f1f3f6;
  font-weight: 600;
}

/* content */
.cat-section {
  margin-bottom: 44px;
  scroll-margin-top: 84px;
}

.cat-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.cat-head h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
}



.cat-count {
  color: var(--muted);
  font-size: 12px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

/* 链接块：纯文字 + 左侧分类色条，不加载图标 */
.link-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 9px;
  text-decoration: none;
  color: var(--ink);
  font-size: 13.5px;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s, background 0.15s;
}

.link-card:hover {
  border-color: var(--accent);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
  background: #f5f8fc;
}

/* 链接图标：彩色首字母头像（本地生成，不加载任何远程图片） */
.link-avatar {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.5px;
  user-select: none;
}

.link-title {
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty-hint {
  color: var(--muted);
  font-size: 13px;
  padding: 20px 0;
}

/* back top */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 15;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* load error */
.load-error {
  max-width: 1300px;
  margin: 24px auto;
  padding: 14px 18px;
  background: #fdecec;
  border: 1px solid #f3c4c4;
  color: #c0392b;
  border-radius: 10px;
}

/* footer note */
.page-foot {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 32px 60px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* drawer */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(35, 33, 30, 0.35);
  z-index: 40;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: 400px;
  max-width: 92vw;
  background: var(--panel);
  z-index: 50;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 12px 18px 0;
}

.tabs button {
  flex: 1;
  border: 1px solid var(--line);
  background: #fff;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
}

.tabs button.on {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}

.drawer-body {
  flex: 1;
  overflow: auto;
  padding: 16px 18px;
}

.form-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.form-row input,
.cat-select select {
  flex: 1;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  outline: none;
}

.form-row input:focus,
.cat-select select:focus {
  border-color: var(--accent);
}

.cat-select {
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}

.list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.item-title {
  font-size: 13px;
}

.item-title em {
  color: var(--muted);
  font-style: normal;
  font-size: 11px;
}

.item-ops {
  display: flex;
  gap: 6px;
}

.drawer-foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
}

.foot-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.foot-row .ghost-btn {
  flex: 1;
  text-align: center;
  justify-content: center;
}

/* 未存盘草稿提示条 */
.draft-banner {
  max-width: 1300px;
  margin: 16px auto 0;
  padding: 10px 16px;
  background: #fff7e6;
  border: 1px solid #ffe1a8;
  border-radius: 10px;
  color: #8a5a00;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* 抽屉头：存盘状态 */
.save-state {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e7f6ec;
  color: #1f8a4c;
}
.save-state.dirty {
  background: #fdecec;
  color: #c0392b;
}

/* 保存反馈信息 */
.save-msg {
  font-size: 12px;
  line-height: 1.5;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 8px 10px;
}

/* file:// 下的操作提示 */
.foot-hint {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}
.foot-hint code {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 11px;
}

/* responsive */
@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 22px 18px 60px;
  }
  .sidebar {
    position: static;
    max-height: none;
    border-right: none;
    padding-right: 0;
    margin-bottom: 20px;
  }
  .cat-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .cat-link {
    border-left: none;
    border: 1px solid var(--line);
  }
  .cat-link.active {
    border-color: var(--accent);
  }
  .topbar {
    padding: 12px 18px;
  }
  .page-intro {
    padding: 16px 18px 0;
  }
}