/* Mini App styling. Colours come from Telegram's theme variables when running
   inside Telegram, and fall back to sensible light-mode values in a browser so
   the page can be demoed standalone. */

:root {
  --bg: var(--tg-theme-bg-color, #f4f5f7);
  --card: var(--tg-theme-secondary-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #1a1a1e);
  --hint: var(--tg-theme-hint-color, #8b8b93);
  --link: var(--tg-theme-link-color, #2f6fed);
  --btn: var(--tg-theme-button-color, #3d8bff);
  --btn-text: var(--tg-theme-button-text-color, #ffffff);
  --ok: #1f9d55;
  --warn: #d97706;
  --bad: #d64545;
  --line: rgba(128, 128, 128, 0.25);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

h1 { font-size: 19px; margin: 0; }
h2.card__title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--hint);
  margin: 0 0 10px;
}

.muted { color: var(--hint); margin: 2px 0 0; }
.sub { color: var(--hint); font-size: 12.5px; margin: 6px 0 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.badge {
  flex: none;
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(31, 157, 85, 0.14);
  color: var(--ok);
  white-space: nowrap;
}
.badge--muted { background: rgba(128, 128, 128, 0.16); color: var(--hint); }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}

.order-line { margin: 0; font-weight: 600; }

.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.hint { color: var(--hint); font-weight: 400; }

.input-row { display: flex; gap: 8px; }
.input-row + .input-row { margin-top: 8px; }

.input {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.input:focus { outline: 2px solid var(--link); outline-offset: 1px; }
.input--money { text-align: right; font-variant-numeric: tabular-nums; }
.input--ccy { max-width: 92px; text-align: center; text-transform: uppercase; }
textarea.input { resize: vertical; }

.suffix {
  align-self: center;
  color: var(--hint);
  font-size: 13px;
  white-space: nowrap;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip {
  font: inherit;
  font-size: 12.5px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.chip--static { cursor: default; color: var(--hint); }

.divider { height: 1px; background: var(--line); margin: 14px 0; }

.output {
  display: block;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.field--derived { background: rgba(61, 139, 255, 0.08); border-radius: 10px; padding: 12px; }

.status {
  margin: 12px 0 0;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 13px;
  background: rgba(31, 157, 85, 0.12);
  color: var(--ok);
}
.status--warn { background: rgba(217, 119, 6, 0.14); color: var(--warn); }
.status--bad { background: rgba(214, 69, 69, 0.14); color: var(--bad); }

.kv { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; }
.kv dt { color: var(--hint); font-size: 13.5px; }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 600; }

.actions { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.btn {
  font: inherit;
  font-size: 16px;
  padding: 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.btn--primary { background: var(--btn); border-color: var(--btn); color: var(--btn-text); font-weight: 600; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(8px);
  max-width: 90vw;
  margin: 0;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(26, 26, 30, 0.92);
  color: #fff;
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.toast--show { opacity: 1; transform: translateX(-50%) translateY(0); }