:root {
  --bg: var(--tg-theme-bg-color, #0f1419);
  --text: var(--tg-theme-text-color, #f4f7fb);
  --hint: var(--tg-theme-hint-color, #8b9bb4);
  --btn: var(--tg-theme-button-color, #2ea6ff);
  --btn-text: var(--tg-theme-button-text-color, #fff);
  --sec: var(--tg-theme-secondary-bg-color, #1b232d);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
}
#app { max-width: 520px; margin: 0 auto; padding: 12px 12px 28px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
h1 { font-size: 1.15rem; margin: 0; }
#sub { margin: 2px 0 0; color: var(--hint); font-size: .8rem; }
.pill { font-size: .75rem; padding: 4px 8px; border-radius: 999px; background: #3a2a2a; }
.pill.on { background: #1f3d2f; }
nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 12px; }
nav button, .kinds button, .toggle, .row button, .grid2 button, form button, #pushBtn {
  border: 0;
  border-radius: 12px;
  padding: 10px 8px;
  background: var(--sec);
  color: var(--text);
  font: inherit;
}
nav button.on, .kinds button.on { background: var(--btn); color: var(--btn-text); }
.page { display: none; }
.page.on { display: block; }
.card {
  background: var(--sec);
  border-radius: 16px;
  padding: 14px;
  margin: 10px 0;
  line-height: 1.6;
}
.price strong { display: block; font-size: 1.8rem; margin-top: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.toggle.on { background: #1f3d2f; }
.toggle.danger.on { background: #5a1f1f; }
.danger { background: #3a2222; }
.acc {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.acc b { display: block; }
.small { color: var(--hint); font-size: .8rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.chips span {
  background: var(--sec);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .9rem;
}
.chips span.on { outline: 1px solid var(--btn); }
.chips span button { background: transparent; color: #ff8a8a; padding: 0 4px; }
#lvlTfs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
#lvlTfs button { padding: 8px 4px; font-size: .78rem; }
.chart-wrap {
  position: relative;
  height: min(58vh, 360px);
  border-radius: 12px;
  overflow: hidden;
  background: #131722;
  touch-action: none;
  margin: 8px 0;
  user-select: none;
}
.chart-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
.chart-hud {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(19, 23, 34, .88);
  color: #d1d4dc;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 12px;
  pointer-events: none;
  direction: ltr;
  font-variant-numeric: tabular-nums;
}
.chart-hint { color: var(--hint); font-size: .75rem; margin: 0 2px 8px; line-height: 1.5; }
.row { display: flex; gap: 8px; margin: 8px 0; }
.row input, .form input {
  flex: 1;
  border: 0;
  border-radius: 12px;
  padding: 10px;
  background: var(--sec);
  color: var(--text);
  font: inherit;
}
.form { display: grid; gap: 8px; }
.form h2 { margin: 0; font-size: 1rem; }
img { width: 100%; border-radius: 12px; margin-top: 8px; background: #111; min-height: 80px; }
.report { white-space: pre-wrap; font-size: .85rem; overflow-x: auto; }
#err { color: #ff8a8a; }
#gate {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 18, .92);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 20;
}
#gate[hidden] { display: none; }
#gate .card { width: min(420px, 100%); display: grid; gap: 10px; }
#gate h2 { margin: 0; font-size: 1.1rem; }
#gate input, #gate button {
  border: 0;
  border-radius: 12px;
  padding: 10px;
  font: inherit;
}
#gate input { background: var(--bg); color: var(--text); }
#gate button { background: var(--btn); color: var(--btn-text); }