/* ============ 我的资料库 云端版 样式 ============ */
:root {
  --primary: #3B6CFF;
  --primary-light: #EBF1FF;
  --bg: #F4F6FB;
  --bg-soft: #F7F9FD;
  --card: #FFFFFF;
  --text: #1F2733;
  --text-2: #5C6773;
  --text-3: #98A2B3;
  --border: #E7EBF2;
  --danger: #E5484D;
  --success: #30A46C;
  --warning: #F5A524;
}
[data-theme="dark"] {
  --primary: #5B8CFF;
  --primary-light: #1E2A4A;
  --bg: #141821;
  --bg-soft: #191E2A;
  --card: #1D2330;
  --text: #E6EAF2;
  --text-2: #A7B0BE;
  --text-3: #6B7686;
  --border: #2C3444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea {
  font-family: inherit;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  width: 100%;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
.primary-btn {
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  width: 100%;
}
.primary-btn.small { width: auto; padding: 8px 16px; }
.primary-btn:hover { opacity: .92; }

/* ---------- 登录页 ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(30, 40, 80, .06);
}
.auth-logo { color: var(--primary); margin-bottom: 10px; }
.auth-title { font-size: 22px; margin-bottom: 4px; }
.auth-sub { color: var(--text-3); font-size: 13px; margin-bottom: 22px; }
.auth-mode { display: flex; background: var(--bg-soft); border-radius: 8px; padding: 4px; margin-bottom: 18px; }
.mode-btn { flex: 1; padding: 8px 0; border-radius: 6px; color: var(--text-2); font-weight: 500; }
.mode-btn.active { background: var(--card); color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,.08); font-weight: 600; }
.auth-field { text-align: left; margin-bottom: 14px; }
.auth-field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.auth-tip { margin-top: 16px; font-size: 12px; color: var(--text-3); line-height: 1.7; text-align: left; }
.auth-tip b { color: var(--warning); }

/* ---------- 主界面布局 ---------- */
.main-page { display: flex; height: 100vh; }
.sidebar {
  width: 200px;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.side-logo {
  display: flex; align-items: center; gap: 8px;
  padding: 18px 16px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}
.side-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 4px;
  text-align: left;
}
.nav-item:hover { background: var(--bg-soft); color: var(--text); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.n-ico { font-size: 15px; width: 20px; text-align: center; }
.side-foot { padding: 12px 10px; border-top: 1px solid var(--border); }
.foot-btn {
  width: 100%; text-align: left;
  padding: 8px 12px; border-radius: 8px;
  color: var(--text-2); font-size: 13px;
  margin-bottom: 2px;
}
.foot-btn:hover { background: var(--bg-soft); color: var(--text); }
.foot-btn.danger { color: var(--danger); }

/* ---------- 内容区 ---------- */
.content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  gap: 16px;
}
.top-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.top-left h2 { font-size: 18px; white-space: nowrap; }
.top-right { display: flex; align-items: center; gap: 10px; }
.search-input { width: 220px; }
.sync-status { font-size: 12px; color: var(--text-3); cursor: pointer; white-space: nowrap; }
.sync-status.syncing { color: var(--warning); }
.sync-status.error { color: var(--danger); }
.cat-bar { display: flex; gap: 8px; padding: 12px 24px 0; flex-wrap: wrap; }
.cat-chip {
  padding: 5px 14px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13px;
}
.cat-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.list-wrap { flex: 1; overflow-y: auto; padding: 20px 24px; }
.list-empty { text-align: center; color: var(--text-3); padding-top: 80px; }
.list-empty .dim { font-size: 13px; margin-top: 6px; }
.list { display: flex; flex-direction: column; gap: 10px; }

/* ---------- 列表卡片 ---------- */
.item-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  transition: box-shadow .15s;
}
.item-card:hover { box-shadow: 0 4px 14px rgba(30, 40, 80, .08); }
.item-main { flex: 1; min-width: 0; }
.item-title { font-weight: 600; font-size: 15px; margin-bottom: 3px; word-break: break-all; }
.item-sub { color: var(--text-3); font-size: 12px; word-break: break-all; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-meta { display: flex; gap: 10px; margin-top: 6px; color: var(--text-3); font-size: 12px; align-items: center; flex-wrap: wrap; }
.tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary);
}
.tag.done { background: rgba(48,164,108,.14); color: var(--success); text-decoration: line-through; }
.tag.prio-high { background: rgba(229,72,77,.12); color: var(--danger); }
.tag.prio-low { background: rgba(148,158,172,.15); color: var(--text-2); }
.item-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  padding: 6px 10px; border-radius: 8px;
  background: var(--bg-soft); color: var(--text-2);
  font-size: 13px;
}
.icon-btn:hover { color: var(--primary); }
.icon-btn.danger:hover { color: var(--danger); }
.icon-btn.open { background: var(--primary); color: #fff; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(20, 25, 40, .45);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
}
.modal {
  background: var(--card);
  border-radius: 14px;
  width: 100%; max-width: 520px;
  max-height: 86vh; overflow-y: auto;
  padding: 22px;
}
.modal-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.form-row { margin-bottom: 12px; }
.form-row label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.form-row textarea { resize: vertical; min-height: 90px; }
.form-row .row2 { display: flex; gap: 10px; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .ghost { flex: 1; background: var(--bg-soft); color: var(--text-2); border-radius: 8px; padding: 10px; font-weight: 500; }
.modal-actions .primary-btn { flex: 2; }
.pw-mask { display: flex; align-items: center; gap: 8px; }
.pw-mask .ghost { flex: 0 0 auto; width: auto; padding: 6px 10px; font-size: 12px; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 720px) {
  .sidebar { width: 60px; }
  .side-logo span, .side-nav .nav-item span:not(.n-ico), .foot-btn { display: none; }
  .side-logo { justify-content: center; padding: 14px 0; }
  .nav-item { justify-content: center; padding: 12px 0; }
  .side-foot { display: flex; flex-direction: column; align-items: center; padding: 10px 0; }
  .search-input { width: 130px; }
  .topbar { padding: 12px 14px; flex-wrap: wrap; }
  .list-wrap { padding: 14px; }
  .top-right { flex-wrap: wrap; }
}