:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --line: #2a3140;
  --text: #e6edf3;
  --muted: #9aa7b8;
  --accent: #ffb703;
  --accent-2: #7c5cff;
  --ok: #3fb950;
  --err: #f85149;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 15% -10%, #1b2333 0%, var(--bg) 55%);
  color: var(--text);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.hero,
main,
footer {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  padding-top: 46px;
  padding-bottom: 8px;
}

.hero h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.lede {
  color: var(--muted);
  max-width: 72ch;
  margin: 0 0 16px;
}

.lede strong {
  color: var(--text);
}

.badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.badges li {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 16px 0;
}

.panel h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-2);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:hover:not(:disabled) {
  border-color: #3b465c;
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.primary {
  background: linear-gradient(180deg, #8b6bff, #6d4bf0);
  border-color: #6d4bf0;
}

.btn.record {
  color: var(--err);
}

.btn.record.active {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--err);
  color: #ffb4b0;
}

.btn.ghost {
  background: transparent;
  color: var(--muted);
}

.btn.tiny {
  padding: 5px 10px;
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--accent);
}

.btn.file {
  display: inline-flex;
  align-items: center;
}

.btn.file input {
  display: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.field select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 0.9rem;
}

.field small {
  color: #7d8899;
  font-size: 0.76rem;
}

.hint {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 12px 0 0;
}

.error {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--err);
  background: rgba(248, 81, 73, 0.12);
  color: #ffb4b0;
  font-size: 0.88rem;
  white-space: pre-wrap;
}

.progress {
  margin-top: 14px;
  height: 8px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width 0.2s ease;
}

.progress-bar.indeterminate {
  width: 40%;
  animation: slide 1.1s ease-in-out infinite alternate;
}

@keyframes slide {
  from {
    margin-left: 0;
  }
  to {
    margin-left: 60%;
  }
}

.outputs .output {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}

.outputs .output:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.output-head h3 {
  font-size: 0.92rem;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.count {
  font-size: 0.78rem;
  color: var(--muted);
}

textarea,
pre {
  width: 100%;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font: 0.9rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin: 0;
}

textarea {
  resize: vertical;
}

pre.segments {
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
}

pre.segments.small {
  max-height: 160px;
  font-size: 0.78rem;
  color: var(--muted);
}

.details {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 6px 14px;
  font-size: 0.86rem;
}

.details dt {
  color: var(--muted);
}

.details dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.notes p {
  color: var(--muted);
  font-size: 0.9rem;
}

a {
  color: var(--accent);
}

footer {
  color: #7d8899;
  font-size: 0.8rem;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 16px;
}

code {
  background: var(--panel-2);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.85em;
}

@media (max-width: 640px) {
  .details {
    grid-template-columns: 1fr;
  }
}