:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --bg2: var(--tg-theme-secondary-bg-color, #f1f2f5);
  --text: var(--tg-theme-text-color, #1c1d21);
  --hint: var(--tg-theme-hint-color, #7d8591);
  --link: var(--tg-theme-link-color, #2a7ae2);
  --button: var(--tg-theme-button-color, #2a7ae2);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #d93a2f);
  --section: var(--tg-theme-section-bg-color, var(--bg));
  --radius: 12px;
  --ok: #17703d;
  --ok-dot: #2fb463;
  --warn: #8a5a00;
  color-scheme: light dark;
}

html.dark {
  --ok: #5fd08c;
  --ok-dot: #3ccf75;
  --warn: #f0b94d;
}

.offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

button.btn, .tabs button, .segmented button { min-height: 44px; }
button:focus-visible, .list-item.clickable:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg2);
  color: var(--text);
  font: 15px/1.45 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.top {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg2);
  padding: 8px 12px 0;
}

.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.tabs button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  padding: 7px 14px;
  background: var(--section);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.tabs button.active { background: var(--button); color: var(--button-text); }

.view { padding: 4px 12px 32px; max-width: 640px; margin: 0 auto; }

.card {
  background: var(--section);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 10px 0;
}

.card h2 { font-size: 17px; margin: 0 0 8px; }
.card h3 { font-size: 15px; margin: 12px 0 6px; }

.muted { color: var(--hint); }
.small { font-size: 13px; }
.center { text-align: center; }
.danger { color: var(--danger); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--bg2);
  color: var(--hint);
}

.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }
.badge.bad { color: var(--danger); }

.link-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
  background: var(--bg2);
  border-radius: 8px;
  padding: 8px 10px;
  margin: 6px 0;
  user-select: all;
}

.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; }

button.btn {
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  background: var(--button);
  color: var(--button-text);
  font: inherit;
  cursor: pointer;
}

button.btn.secondary { background: var(--bg2); color: var(--link); }
button.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.btn:disabled { opacity: .5; cursor: default; }

input, select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--bg2);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

label { display: block; font-size: 13px; color: var(--hint); margin: 10px 0 4px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: 15px; }
label.check input { width: auto; }

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--bg2);
}

.list-item:last-child { border-bottom: 0; }
.list-item .main { min-width: 0; flex: 1 1 auto; }
.list-item > .row, .list-item > .badge, .list-item > .chevron { flex: 0 0 auto; margin-top: 0; }
.chevron { font-size: 20px; line-height: 1; }
.list-item .title { font-weight: 600; overflow-wrap: anywhere; }
.list-item.clickable { cursor: pointer; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
.stat { background: var(--bg2); border-radius: 10px; padding: 10px; }
.stat .value { font-size: 20px; font-weight: 600; }
.stat .label { font-size: 12px; color: var(--hint); }
.stat .hint { font-size: 11px; color: var(--hint); opacity: .8; margin-top: 2px; }

.qr { display: block; width: 220px; max-width: 100%; margin: 10px auto 0; border-radius: 8px; background: #fff; }

.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }

.steps { margin: 6px 0 0; padding-left: 20px; }
.steps li { margin: 4px 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  background: rgba(20, 20, 20, .88);
  color: #fff;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 14px;
  max-width: 90%;
  z-index: 10;
}

.online { color: var(--ok); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok-dot); margin-right: 6px; vertical-align: middle; }
.segmented { display: flex; background: var(--bg2); border-radius: 10px; padding: 3px; margin-bottom: 10px; }
.segmented button { flex: 1; border: 0; background: transparent; color: var(--text); padding: 7px 10px; border-radius: 8px; font: inherit; cursor: pointer; }
.segmented button.active { background: var(--section); box-shadow: 0 1px 2px rgba(0,0,0,.12); font-weight: 600; }