:root {
  color-scheme: var(--tg-color-scheme, light dark);
  --base-bg: #f5f7fb;
  --base-surface: #ffffff;
  --base-text: #182438;
  --base-hint: #54647a;
  --bg: var(--tg-theme-bg-color, var(--base-bg));
  --surface: var(--tg-theme-secondary-bg-color, var(--base-surface));
  --text: var(--tg-theme-text-color, var(--base-text));
  --hint: var(--tg-theme-hint-color, var(--base-hint));
  --accent: var(--tg-theme-button-color, #185cb8);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --action-bg: var(--accent);
  --action-text: var(--button-text);
  --focus: var(--tg-theme-link-color, var(--accent));
  --muted: var(--text);
  --line: #7b8799;
  --divider: var(--line);
  --selected: var(--bg);
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@supports (color: light-dark(white, black)) {
  :root {
    --base-bg: light-dark(#f5f7fb, #111923);
    --base-surface: light-dark(#ffffff, #1b2634);
    --base-text: light-dark(#182438, #eaf0f7);
    --base-hint: light-dark(#54647a, #aebbd0);
  }
}

@supports (color: color-mix(in srgb, white, black)) {
  :root {
    --muted: color-mix(in srgb, var(--hint) 48%, var(--text));
    --line: color-mix(in srgb, var(--text) 47%, var(--surface));
    --divider: color-mix(in srgb, var(--text) 15%, var(--bg));
    --selected: color-mix(in srgb, var(--accent) 13%, var(--surface));
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.page {
  max-width: 456px;
  margin: 0 auto;
  padding: 16px;
  padding-top: calc(16px + max(env(safe-area-inset-top, 0px), var(--tg-safe-area-inset-top, 0px)) + var(--tg-content-safe-area-inset-top, 0px));
  padding-right: calc(16px + max(env(safe-area-inset-right, 0px), var(--tg-safe-area-inset-right, 0px)) + var(--tg-content-safe-area-inset-right, 0px));
  padding-bottom: calc(16px + max(env(safe-area-inset-bottom, 0px), var(--tg-safe-area-inset-bottom, 0px)) + var(--tg-content-safe-area-inset-bottom, 0px));
  padding-left: calc(16px + max(env(safe-area-inset-left, 0px), var(--tg-safe-area-inset-left, 0px)) + var(--tg-content-safe-area-inset-left, 0px));
}

.heading { margin-bottom: 14px; }

h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hint {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
}

form,
.details {
  display: grid;
  gap: 10px;
}

.details {
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--divider);
}

.money {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(144px, 0.8fr);
  gap: 10px;
}

@media (max-width: 300px) {
  .money { grid-template-columns: minmax(0, 1fr); }
}

.field {
  display: block;
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}

.caption {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 4px;
  padding: 0;
  font-size: 0.8125rem;
  font-weight: 650;
  line-height: 18px;
}

.caption small {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 400;
}

svg {
  display: block;
  flex: none;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.caption svg { color: var(--muted); }

input,
textarea,
button {
  font: inherit;
}

input:not([type="radio"]),
textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  line-height: 22px;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}

textarea { resize: vertical; }
textarea:focus { min-height: 66px; }

.segments {
  position: relative;
  display: grid;
  gap: 2px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.currencies { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.periods { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.segments input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  clip-path: inset(50%);
}

.segments label {
  display: grid;
  min-height: 44px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
}

.currencies label { font-size: 1rem; }

.segments input:checked + label {
  border-color: var(--accent);
  background: var(--selected);
  color: var(--text);
  font-weight: 700;
}

:focus-visible,
.segments input:focus-visible + label {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.segments input:focus-visible + label { z-index: 1; }

.flatpickr-calendar {
  position: fixed;
  width: 324px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--divider);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 8px 24px #0a1b352b;
  color: var(--text);
  font: inherit;
  font-size: 0.875rem;
}

.flatpickr-calendar::before,
.flatpickr-calendar::after,
.flatpickr-current-month .numInputWrapper > span {
  display: none;
}

.flatpickr-calendar .flatpickr-months {
  position: relative;
  border-bottom: 1px solid var(--divider);
}

.flatpickr-calendar .flatpickr-months .flatpickr-month {
  height: 44px;
  background: var(--surface);
  color: var(--text);
}

.flatpickr-calendar .flatpickr-current-month {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  left: 44px;
  width: calc(100% - 88px);
  height: 100%;
  padding: 0;
  font: inherit;
  font-weight: 650;
}

.flatpickr-calendar .flatpickr-current-month .flatpickr-monthDropdown-months,
.flatpickr-calendar .flatpickr-current-month input.cur-year {
  width: auto;
  min-width: 0;
  min-height: 44px;
  margin: 0;
  border: 0;
  border-radius: 8px;
  padding: 0 4px;
  background: transparent;
  color: var(--text);
  font: inherit;
}

.flatpickr-calendar .flatpickr-current-month input.cur-year {
  width: 100%;
  text-align: center;
}

.flatpickr-calendar .flatpickr-current-month .flatpickr-monthDropdown-months {
  color-scheme: var(--tg-color-scheme, light dark);
  background-color: var(--surface);
}

.flatpickr-calendar .flatpickr-current-month .flatpickr-monthDropdown-months option {
  background-color: var(--surface);
  color: var(--text);
}

.flatpickr-calendar .flatpickr-current-month .numInputWrapper {
  flex: none;
  width: 56px;
  background: transparent;
}

.flatpickr-calendar .flatpickr-months .flatpickr-prev-month,
.flatpickr-calendar .flatpickr-months .flatpickr-next-month {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border-radius: 8px;
  color: var(--text);
  fill: none;
}

.flatpickr-calendar .flatpickr-months .flatpickr-prev-month svg,
.flatpickr-calendar .flatpickr-months .flatpickr-next-month svg {
  width: 18px;
  height: 18px;
  fill: none;
}

.flatpickr-calendar .flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-calendar .flatpickr-months .flatpickr-next-month:hover svg {
  fill: none;
}

.flatpickr-calendar .flatpickr-rContainer,
.flatpickr-calendar .flatpickr-days,
.flatpickr-calendar .dayContainer {
  width: 100%;
  min-width: 0;
  max-width: none;
}

.flatpickr-calendar .flatpickr-weekdays { height: 20px; }
.flatpickr-calendar .flatpickr-weekday { color: var(--muted); }

.flatpickr-calendar .flatpickr-day {
  flex: 0 0 calc(100% / 7);
  max-width: none;
  height: 44px;
  margin: 0;
  border-radius: 9px;
  color: var(--text);
  line-height: 42px;
}

.flatpickr-calendar .flatpickr-day.prevMonthDay,
.flatpickr-calendar .flatpickr-day.nextMonthDay { color: var(--muted); }

.flatpickr-calendar .flatpickr-day:hover,
.flatpickr-calendar .flatpickr-day:focus,
.flatpickr-calendar .flatpickr-months span[role="button"]:hover {
  border-color: transparent;
  background: var(--selected);
  color: var(--text);
}

.flatpickr-calendar .flatpickr-day.today {
  border-color: var(--line);
  font-weight: 700;
}

.flatpickr-calendar .flatpickr-day.selected {
  border-color: var(--action-bg);
  background: var(--action-bg);
  color: var(--action-text);
  font-weight: 700;
}

.flatpickr-calendar :focus-visible {
  outline: 2px solid var(--text);
  outline-offset: -3px;
}

.flatpickr-calendar .flatpickr-day.selected:focus-visible {
  outline-color: var(--action-text);
}

.actions { margin-top: 2px; }

.primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 14px;
  padding: 10px 14px;
  background: var(--action-bg);
  box-shadow: 0 2px 5px #0a1b3526;
  color: var(--action-text);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.primary svg { width: 18px; height: 18px; }
.primary:focus-visible { outline-color: var(--text); outline-offset: 3px; }
.primary:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: inset 0 2px 4px #0a1b3540;
}
.primary:disabled { box-shadow: none; cursor: default; }
.primary[aria-busy="true"] { cursor: progress; }

.error,
.success {
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 12px;
  background: var(--surface);
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}

.error { color: light-dark(#a12428, #ffabae); }
.success { color: light-dark(#216443, #9be5b6); }

[hidden] { display: none !important; }