:root {
  --bg: #0d1117;
  --panel: #161b22;
  --line: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #7c5cff;
  --accent-text: #ffffff;
  --link: #7ab7ff;
  --ok: #3ddc84;
  --fail: #ff6b6b;
  --code: #0b0f14;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --panel: #ffffff;
    --line: #d0d7de;
    --text: #1f2328;
    --muted: #59636e;
    --link: #0969da;
    --ok: #1a7f37;
    --fail: #cf222e;
    --code: #f6f8fa;
    color-scheme: light;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

[hidden] {
  display: none !important;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.account {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.avatar {
  border-radius: 50%;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem;
}

.intro h1 {
  margin: 1rem 0 0.5rem;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.2;
}

.card {
  margin: 1rem 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

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

label {
  display: block;
  margin: 0.75rem 0 0.35rem;
  font-weight: 600;
}

textarea,
select,
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

#model-custom {
  margin-top: 0.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0 1rem;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 400;
}

.check input {
  margin-top: 0.35rem;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.chip {
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.chip:hover {
  border-color: var(--accent);
}

.row {
  display: flex;
  gap: 0.5rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.button {
  display: inline-block;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-text);
}

.button.small {
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
}

.button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.error {
  color: var(--fail);
}

.status {
  font-weight: 600;
}

.steps {
  max-height: 320px;
  overflow: auto;
  margin: 0;
  padding-left: 1.6rem;
  font: 0.85rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.steps li {
  margin: 0.15rem 0;
  overflow-wrap: anywhere;
}

.steps li.ok::marker {
  color: var(--ok);
}

.steps li.fail::marker,
.steps li.fail .step-detail {
  color: var(--fail);
}

.steps li.note {
  font-family: system-ui, sans-serif;
  color: var(--muted);
}

.step-detail {
  display: block;
}

.preview {
  display: block;
  width: 100%;
  height: auto;
  margin: 1rem 0 0.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d1117;
}

.legend {
  margin-top: 0;
  font-size: 0.85rem;
}

.warnings {
  color: var(--fail);
}

.report {
  white-space: pre-wrap;
}

.code {
  overflow-x: auto;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--code);
  font: 0.85rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  .row {
    flex-direction: column;
  }

  .button {
    white-space: normal;
  }
}