:root {
  color-scheme: light;
  --page: #f2f4f2;
  --surface: #fff;
  --text: #1c2924;
  --muted: #65736b;
  --border: #dce3de;
  --accent: #25684b;
  --accent-text: #fff;
  --soft: #edf3ee;
  --error: #ad352d;
  --error-bg: #fff0ed;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #131c19;
  --surface: #1d2924;
  --text: #eff5f0;
  --muted: #a3b3a9;
  --border: #3a4b41;
  --accent: #8dd3ac;
  --accent-text: #102b1e;
  --soft: #2c3c32;
  --error: #ffb5a9;
  --error-bg: #432a27;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--tg-theme-secondary-bg-color, var(--page));
  color: var(--tg-theme-text-color, var(--text));
  -webkit-text-size-adjust: 100%;
}
button, input { font: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; opacity: .58; }
button, input { transition: background-color .15s, border-color .15s; }
button:focus-visible, input:focus-visible {
  outline: 3px solid var(--tg-theme-link-color, var(--accent));
  outline-offset: 3px;
}
.app {
  max-width: 540px;
  margin: 0 auto;
  padding: calc(22px + env(safe-area-inset-top, 0px)) 20px calc(24px + env(safe-area-inset-bottom, 0px));
}
.header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 800; letter-spacing: 1.2px; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; background: var(--tg-theme-button-color, var(--accent)); color: var(--tg-theme-button-text-color, var(--accent-text)); border-radius: 10px; font-size: 25px; font-weight: 500; }
.brand-caption { display: block; margin-top: 4px; color: var(--tg-theme-subtitle-text-color, var(--muted)); letter-spacing: 0; font-size: 10px; font-weight: 500; }
.private-badge { flex-shrink: 0; border: 1px solid var(--border); border-radius: 20px; padding: 6px 9px; font-size: 10px; color: var(--tg-theme-subtitle-text-color, var(--muted)); }
.intro { padding: 30px 3px 24px; }
.eyebrow { color: var(--tg-theme-subtitle-text-color, var(--muted)); font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin: 0 0 9px; }
h1 { font-size: clamp(29px, 8vw, 37px); line-height: 1.15; font-weight: 700; letter-spacing: -1.3px; margin: 0 0 12px; }
.subtitle { font-size: 15px; line-height: 1.5; margin: 0; color: var(--tg-theme-subtitle-text-color, var(--muted)); }
.card { padding: 23px; border-radius: 23px; background: var(--tg-theme-bg-color, var(--surface)); box-shadow: 0 5px 28px #00000005; }
.author { overflow-wrap: anywhere; margin: 0 0 19px; font-size: 12px; color: var(--tg-theme-subtitle-text-color, var(--muted)); }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.kind-switch { display: flex; gap: 5px; padding: 5px; background: var(--tg-theme-secondary-bg-color, var(--soft)); border-radius: 14px; margin-bottom: 23px; }
.kind-button { flex: 1; border: 1px solid transparent; border-radius: 10px; min-height: 44px; color: var(--tg-theme-subtitle-text-color, var(--muted)); background: transparent; font-size: 14px; font-weight: 600; }
.kind-button span { margin-right: 4px; font-size: 18px; font-weight: 500; }
.kind-button[aria-pressed="true"] { background: var(--tg-theme-bg-color, var(--surface)); color: var(--tg-theme-text-color, var(--text)); border-color: var(--border); box-shadow: 0 2px 4px #00000006; }
.field { margin-bottom: 21px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 9px; }
input {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 49px;
  padding: 12px 13px;
  color: var(--tg-theme-text-color, var(--text));
  background: var(--tg-theme-bg-color, var(--surface));
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  line-height: 1.4;
}
input::placeholder { color: var(--tg-theme-hint-color, var(--muted)); opacity: .85; }
input:disabled { opacity: .65; }
input[type="date"] { -webkit-appearance: none; appearance: none; }
input[type="date"]::-webkit-date-and-time-value { text-align: left; }
.amount-wrap { position: relative; }
.amount-wrap input { padding-right: 45px; font-size: 27px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.6px; }
.amount-wrap > span { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--tg-theme-subtitle-text-color, var(--muted)); }
.hint { margin: 7px 0 0; color: var(--tg-theme-subtitle-text-color, var(--muted)); font-size: 11px; line-height: 1.45; }
.primary-button, .secondary-button { width: 100%; padding: 14px 12px; border-radius: 11px; min-height: 49px; font-size: 14px; font-weight: 600; }
.primary-button { border: 0; color: var(--tg-theme-button-text-color, var(--accent-text)); background: var(--tg-theme-button-color, var(--accent)); }
.secondary-button { border: 1px solid var(--border); color: var(--tg-theme-text-color, var(--text)); background: transparent; margin: 3px 0 9px; }
.text-button { display: block; min-height: 44px; width: 100%; padding: 10px; border: 0; background: transparent; color: var(--tg-theme-subtitle-text-color, var(--muted)); font-size: 13px; }
.status { margin: 12px 0 2px; font-size: 12px; line-height: 1.55; text-align: center; color: var(--tg-theme-subtitle-text-color, var(--muted)); }
.status:empty { display: none; }
.error { margin: 0 0 16px; padding: 12px; border-radius: 10px; background: var(--error-bg); color: var(--error); font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
.footer-note { text-align: center; color: var(--tg-theme-subtitle-text-color, var(--muted)); font-size: 11px; line-height: 1.6; margin: 18px 0 0; }
.success { padding: 14px 0 0; text-align: center; }
.success-mark { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 20px; border-radius: 50%; background: var(--soft); color: var(--accent); font-size: 28px; }
.success h2 { font-size: 22px; line-height: 1.3; margin: 0 0 12px; letter-spacing: -.5px; }
.success p { font-size: 14px; line-height: 1.6; color: var(--tg-theme-subtitle-text-color, var(--muted)); margin: 0 0 25px; overflow-wrap: anywhere; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 360px) {
  .app { padding-right: 12px; padding-left: 12px; }
  .card { padding: 18px; }
  .private-badge { font-size: 9px; padding: 5px 7px; }
}
@media (prefers-reduced-motion: reduce) { button, input { transition: none; } }