:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2333;
  --muted: #6b7085;
  --line: #e4e6ef;
  --primary: #5b5bd6;
  --primary-text: #ffffff;
  --primary-soft: #ececfd;
  --ios: #0a84ff;
  --android: #2fa84f;
  --danger: #d64545;
  --ok: #2fa84f;
  --banner: #fff4d6;
  --banner-text: #7a5a00;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14151c;
    --card: #1e2029;
    --text: #e9eaf2;
    --muted: #9a9db0;
    --line: #2e3140;
    --primary: #8b8bf5;
    --primary-text: #14151c;
    --primary-soft: #2a2b45;
    --ios: #4da3ff;
    --android: #5cc977;
    --danger: #ff7070;
    --ok: #5cc977;
    --banner: #3a3115;
    --banner-text: #f3d77a;
  }
}
:root[data-theme="dark"] {
  --bg: #14151c; --card: #1e2029; --text: #e9eaf2; --muted: #9a9db0; --line: #2e3140;
  --primary: #8b8bf5; --primary-text: #14151c; --primary-soft: #2a2b45;
  --ios: #4da3ff; --android: #5cc977; --danger: #ff7070; --ok: #5cc977;
  --banner: #3a3115; --banner-text: #f3d77a;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}
a { color: var(--primary); }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 16px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; background: var(--card); border-bottom: 1px solid var(--line);
}
.user-box { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); min-width: 0; }
.user-box span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.banner { background: var(--banner); color: var(--banner-text); padding: 8px 16px; font-size: 14px; text-align: center; }

.container { max-width: 1000px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.login-card { max-width: 420px; margin: 40px auto; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

input[type=password], input[type=search], input:not([type]), input[inputmode] {
  width: 100%; padding: 10px 12px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text);
}
.btn {
  border: 0; border-radius: 10px; padding: 10px 16px; font-size: 15px; cursor: pointer;
  font-weight: 600; font-family: inherit;
}
.btn.primary { background: var(--primary); color: var(--primary-text); }
.btn.ghost { background: var(--primary-soft); color: var(--primary); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.msg { min-height: 1.2em; margin: 8px 0 0; font-size: 14px; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; overflow-x: auto; }
.tab {
  flex: 1; white-space: nowrap; border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 999px; padding: 8px 14px; font-size: 14px; cursor: pointer; font-family: inherit;
}
.tab.active { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }

.howto { margin-bottom: 12px; font-size: 14px; }
.howto summary { cursor: pointer; color: var(--primary); }
.howto ol { margin: 8px 0 0; padding-left: 22px; }
.howto a { word-break: break-all; }

.drop-zone {
  display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
  padding: 28px 16px; border: 2px dashed var(--line); border-radius: var(--radius); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop-zone:hover, .drop-zone.over { border-color: var(--primary); background: var(--primary-soft); }
.drop-icon { font-size: 34px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 13px; white-space: nowrap; }
td { white-space: nowrap; }
td.code { font-family: ui-monospace, Menlo, monospace; font-size: 13px; white-space: nowrap; }
table.num td:not(:first-child), table.num th:not(:first-child) { text-align: right; font-variant-numeric: tabular-nums; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.iOS { background: color-mix(in srgb, var(--ios) 15%, transparent); color: var(--ios); }
.badge.Android { background: color-mix(in srgb, var(--android) 15%, transparent); color: var(--android); }
.pill { font-size: 13px; color: var(--muted); font-weight: 400; }

.mine-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.mine-head h2 { margin: 0; }
select { font: inherit; font-size: 14px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
.note-cell { min-width: 200px; width: 30%; }
.note-input { width: 100%; padding: 4px 10px; font-size: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 8px; }
.toolbar input { flex: 1 1 220px; }
.chips { display: flex; gap: 4px; }
.chip { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 999px; padding: 4px 10px; font-size: 13px; cursor: pointer; font-family: inherit; }
.chip.active { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .label { font-size: 13px; color: var(--muted); }
.stat .value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }

.empty { text-align: center; color: var(--muted); padding: 20px; }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-size: 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,.2); max-width: calc(100% - 32px);
}

@media (max-width: 600px) {
  h1 { font-size: 17px; }
  .hide-sm { display: none; }
}