:root {
  --paper: #f4efe6;
  --ink: #1c1712;
  --muted: #6d6458;
  --card: rgba(255, 252, 247, 0.92);
  --line: #e2d6c4;
  --accent: #9a3412;
  --accent-soft: #f3d2c2;
  --navy: #243b4a;
  --ok: #276749;
  --danger: #b42318;
  --shadow: 0 18px 40px rgba(36, 24, 14, 0.08);
  --radius: 18px;
  --bg: var(--tg-theme-bg-color, var(--paper));
  --fg: var(--tg-theme-text-color, var(--ink));
  --hint: var(--tg-theme-hint-color, var(--muted));
  --sec: var(--tg-theme-secondary-bg-color, #fffaf3);
  --btn: var(--tg-theme-button-color, var(--navy));
  --btn-fg: var(--tg-theme-button-text-color, #fffaf3);
  --header: var(--tg-theme-header-bg-color, var(--navy));
  --safe-top: env(safe-area-inset-top);
  --safe-bottom: env(safe-area-inset-bottom);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.45 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

body {
  background-image:
    radial-gradient(circle at top left, rgba(154, 52, 18, 0.08), transparent 28rem),
    linear-gradient(180deg, rgba(36, 59, 74, 0.04), transparent 18rem);
}

body.tg-dark {
  --paper: #182026;
  --card: rgba(28, 36, 42, 0.92);
  --line: #31424d;
  --accent-soft: #3a241c;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.app {
  max-width: 42rem;
  min-height: 100dvh;
  margin: 0 auto;
  padding: calc(12px + var(--safe-top)) 16px calc(120px + var(--safe-bottom));
}

.top {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin: 0 -4px 12px;
  padding: 4px 4px 10px;
  background: var(--bg);
}

.progress {
  position: sticky;
  top: 58px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: 0 0 18px;
  padding-bottom: 8px;
  background: var(--bg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--header);
  color: #f8f1e7;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-title,
.brand-sub,
.step-label,
.kicker,
.en,
.hint,
.error,
.choice-chip,
.file-btn {
  margin: 0;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-sub,
.en,
.hint,
.step-label {
  color: var(--hint);
  font-size: 0.82rem;
}

.dot {
  height: 6px;
  border: 0;
  border-radius: 99px;
  background: var(--line);
  padding: 0;
}

.dot.active {
  background: var(--accent);
}

.dot.done {
  background: var(--navy);
}

.sheet {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 18px 24px;
}

.lead {
  margin: 0 0 18px;
  color: var(--hint);
  font-size: 0.92rem;
}

.section-title {
  margin: 0 0 6px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.field {
  margin-bottom: 16px;
}

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

label,
.legend {
  font-weight: 650;
}

.req {
  color: var(--accent);
}

.en {
  font-style: italic;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--sec);
  color: var(--fg);
  padding: 12px 14px;
  font: inherit;
  outline: none;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field.invalid input,
.field.invalid textarea {
  border-color: var(--danger);
}

.hint {
  margin-top: 6px;
}

.error {
  display: none;
  margin-top: 6px;
  color: var(--danger);
  font-size: 0.82rem;
}

.field.invalid .error {
  display: block;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice-chip {
  border: 1px solid var(--line);
  background: var(--sec);
  color: var(--fg);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.choice-chip[aria-pressed="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: #f8f1e7;
}

.choice-chip.compact {
  min-width: 3.2rem;
  text-align: center;
}

.other-wrap {
  margin-top: 8px;
}

.translit-note {
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.88rem;
}

body.tg-dark .translit-note {
  color: var(--fg);
}

.translit-note.show {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.translit-note button {
  border: 0;
  background: var(--accent);
  color: white;
  border-radius: 999px;
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.drop {
  border: 1.5px dashed var(--line);
  border-radius: 16px;
  background: var(--sec);
  padding: 18px;
  text-align: center;
}

.file-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--navy);
  color: #f8f1e7;
  cursor: pointer;
}

.file-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--sec);
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.file-item button {
  border: 0;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font: inherit;
}

.bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 8px;
  max-width: 42rem;
  margin: 0 auto;
  padding: 12px 16px calc(12px + var(--safe-bottom));
  background: linear-gradient(180deg, transparent, var(--bg) 28%);
}

body.has-tg-main .bar {
  display: none;
}

.btn {
  flex: 1;
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.btn.primary {
  background: var(--btn);
  color: var(--btn-fg);
}

.btn.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
}

.loading,
.crash {
  margin: 0;
  padding: 28px 8px 36px;
  text-align: center;
  color: var(--hint);
}

.done {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.done[hidden] {
  display: none;
}

.done-card {
  width: min(28rem, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px 22px;
  box-shadow: var(--shadow);
}

.done-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.done h1 {
  margin: 0 0 10px;
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.done-lead {
  color: var(--hint);
}

.done-meta {
  display: grid;
  gap: 6px;
  margin: 18px 0 22px;
}

.done-meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.done-meta dt {
  color: var(--hint);
}

.hidden-file {
  display: none;
}