:root {
  --bg: var(--tg-theme-secondary-bg-color, #efeff4);
  --card: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #fff));
  --text: var(--tg-theme-text-color, #000);
  --hint: var(--tg-theme-hint-color, #8e8e93);
  --subtle: var(--tg-theme-subtitle-text-color, var(--hint));
  --header: var(--tg-theme-section-header-text-color, var(--hint));
  --accent: var(--tg-theme-accent-text-color, var(--tg-theme-link-color, #2481cc));
  --button: var(--tg-theme-button-color, #2481cc);
  --button-text: var(--tg-theme-button-text-color, #fff);
  --danger: var(--tg-theme-destructive-text-color, #e53935);
  --sep: var(--tg-theme-section-separator-color, color-mix(in srgb, var(--hint) 25%, transparent));
  --positive: #31a24c;
  --chip: color-mix(in srgb, var(--hint) 14%, transparent);
  --radius: 14px;
  --top: max(var(--tg-content-safe-area-inset-top, 0px), env(safe-area-inset-top, 0px));
  --bottom: max(var(--tg-safe-area-inset-bottom, 0px), env(safe-area-inset-bottom, 0px));
}
@media (prefers-color-scheme: dark) {
  :root:not(.tg) { --bg: #000; --card: #1c1c1e; --text: #fff; --hint: #8e8e93; }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.35 -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}
main { padding: calc(var(--top) + 12px) 16px calc(var(--bottom) + 28px); max-width: 640px; margin: 0 auto; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
.center { min-height: 60vh; display: grid; place-items: center; text-align: center; color: var(--hint); }
.spinner {
  width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid var(--chip); border-top-color: var(--button);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.fade { animation: fade .18s ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

/* Header */
.hero { text-align: center; padding: 12px 8px 20px; }
.hero .amount { font-size: 40px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hero .amount.in { color: var(--positive); }
.hero .label { font-size: 20px; font-weight: 600; margin-top: 2px; overflow-wrap: anywhere; }
.hero .meta { color: var(--subtle); font-size: 14px; margin-top: 4px; }
.hero .desc { color: var(--hint); font-size: 12px; margin-top: 4px; overflow-wrap: anywhere; }
.badges { display: flex; gap: 6px; justify-content: center; margin-top: 10px; flex-wrap: wrap; }
.badge { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--chip); color: var(--subtle); }
.badge.warn { background: color-mix(in srgb, #ff9500 18%, transparent); color: #c76e00; }

/* Sections */
.section-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--header);
  margin: 22px 16px 8px; font-weight: 500;
}
.card { background: var(--card); border-radius: var(--radius); overflow: hidden; }
.card.pad { padding: 14px; }
.foot { color: var(--hint); font-size: 13px; margin: 8px 16px 0; }

/* Tag chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px; border-radius: 999px; background: var(--chip); font-size: 15px;
  transition: background .15s, color .15s, transform .1s; user-select: none;
  min-height: 36px; display: inline-flex; align-items: center; gap: 4px;
}
.chip:active { transform: scale(.95); }
.chip.on { background: var(--button); color: var(--button-text); }
.chip.offered:not(.on) { box-shadow: inset 0 0 0 1.5px var(--button); color: var(--accent); }
.chip .hash { opacity: .55; }

/* Rows */
.row {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; min-height: 48px;
  width: 100%; text-align: left; position: relative;
}
.row + .row::before {
  content: ""; position: absolute; top: 0; left: 16px; right: 0; height: 1px; background: var(--sep);
  transform: scaleY(.5);
}
.row:active { background: var(--chip); }
.row .main { flex: 1; min-width: 0; }
.row .title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .sub { color: var(--hint); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .end { color: var(--hint); font-size: 15px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.row .end.money { color: var(--text); font-weight: 500; }
.row .end.in { color: var(--positive); }
.check {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--hint) 55%, transparent);
  display: grid; place-items: center; transition: background .15s;
}
.row.on .check { background: var(--button); box-shadow: none; }
.row.on .check::after {
  content: ""; width: 6px; height: 11px; border: solid var(--button-text); border-width: 0 2px 2px 0;
  transform: translateY(-1px) rotate(45deg);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--button); flex: none; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--chip); font-weight: 600; color: var(--subtle); font-size: 15px;
}

/* Segmented control */
.seg { display: flex; background: var(--chip); border-radius: 10px; padding: 2px; gap: 2px; }
.seg button {
  flex: 1; padding: 8px 4px; border-radius: 8px; font-size: 15px; font-weight: 500;
  transition: background .15s, box-shadow .15s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.seg button.on { background: var(--card); box-shadow: 0 1px 3px rgb(0 0 0 / .15); }
.card.pad .seg { margin: 0; }

/* Switch */
.switch {
  width: 51px; height: 31px; border-radius: 999px; background: var(--chip); position: relative;
  flex: none; transition: background .2s;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%;
  background: #fff; box-shadow: 0 2px 4px rgb(0 0 0 / .2); transition: transform .2s;
}
.row.on .switch { background: var(--positive); }
.row.on .switch::after { transform: translateX(20px); }
.row[aria-disabled="true"] { opacity: .45; pointer-events: none; }

/* List view */
.top { display: flex; align-items: center; justify-content: space-between; margin: 4px 4px 12px; gap: 12px; }
.top h1 { font-size: 28px; margin: 0; letter-spacing: -.01em; }
.day { font-size: 13px; color: var(--header); font-weight: 500; margin: 18px 16px 6px; text-transform: uppercase; letter-spacing: .04em; }
.empty { color: var(--hint); text-align: center; padding: 40px 16px; }
.pending { font-style: italic; }

#toast {
  position: fixed; left: 50%; bottom: calc(var(--bottom) + 20px); transform: translate(-50%, 20px);
  background: color-mix(in srgb, var(--text) 88%, transparent); color: var(--card);
  padding: 10px 16px; border-radius: 12px; font-size: 14px; max-width: calc(100% - 32px);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }