:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #0f1419);
  --text: var(--tg-theme-text-color, #e7ecf1);
  --hint: var(--tg-theme-hint-color, #8b98a5);
  --btn: var(--tg-theme-button-color, #2aabee);
  --btn-text: var(--tg-theme-button-text-color, #ffffff);
  --sec: var(--tg-theme-secondary-bg-color, #1c242d);
  --border: color-mix(in srgb, var(--hint) 35%, transparent);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.steps {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 10px 12px 8px;
  background: color-mix(in srgb, var(--bg) 92%, black);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 4px;
  border-radius: 10px;
  color: var(--hint);
  font-size: 0.72rem;
}

.step .n {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 700;
}

.step.active {
  color: var(--text);
  background: var(--sec);
}

.step.active .n {
  background: var(--btn);
  border-color: var(--btn);
  color: var(--btn-text);
}

.step.done .n {
  background: color-mix(in srgb, var(--btn) 35%, var(--sec));
  border-color: transparent;
  color: var(--text);
}

.answered {
  position: sticky;
  top: 58px;
  z-index: 19;
  padding: 6px 12px 8px;
  background: color-mix(in srgb, var(--bg) 92%, black);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.answered .chip {
  font-size: 0.72rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--sec);
  color: var(--text);
  border: 1px solid var(--border);
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 14px 16px 32px;
}

.head h1 {
  margin: 0 0 4px;
  font-size: 1.25rem;
  font-weight: 650;
}

.sub {
  margin: 0 0 14px;
  color: var(--hint);
  font-size: 0.88rem;
}

.label {
  display: block;
  font-size: 0.8rem;
  color: var(--hint);
  margin-bottom: 6px;
}

textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--sec);
  color: var(--text);
  padding: 12px;
  font: inherit;
  line-height: 1.4;
  resize: vertical;
  min-height: 100px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--sec);
  color: var(--text);
}

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

.btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--sec);
  color: var(--hint);
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.status.error {
  color: #ff8f8f;
}

.round-label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  color: var(--hint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.clarify-q {
  margin: 0 0 10px;
  white-space: pre-wrap;
  font-size: 0.95rem;
  line-height: 1.4;
  font-weight: 600;
}

.clarify-actions {
  display: grid;
  gap: 8px;
}

.clarify-free {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.clarify-free input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--sec);
  color: var(--text);
  padding: 12px;
  font: inherit;
}

.details {
  margin-top: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--sec);
  padding: 8px 10px;
}

.details summary {
  cursor: pointer;
  color: var(--hint);
  font-size: 0.82rem;
  font-weight: 600;
}

.details pre {
  margin: 8px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.78rem;
  line-height: 1.35;
  max-height: 28vh;
  overflow: auto;
}

.result pre#resultText {
  margin: 12px 0 0;
  padding: 12px;
  border-radius: 12px;
  background: var(--sec);
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  line-height: 1.35;
  max-height: 50vh;
  overflow: auto;
}

.sticky-actions {
  display: grid;
  gap: 8px;
  position: sticky;
  top: 70px;
  z-index: 15;
  padding-bottom: 4px;
  background: var(--bg);
}

.result-controls {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
}

.result-controls .btn {
  margin-top: 0;
}

.warnings {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--sec);
  color: var(--hint);
  font-size: 0.82rem;
  white-space: pre-wrap;
}

.btn-new-request {
  margin-top: 16px;
  margin-bottom: 8px;
  width: 100%;
}

@media (min-width: 480px) {
  .sticky-actions,
  .clarify-actions {
    grid-template-columns: 1fr 1fr;
  }
}