:root {
  --bg: #070b10;
  --card: #111722;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f4f7ff;
  --muted: #94a3b8;
  --accent: #7dd3fc;
  --warn: #fbbf24;
  font-family: "DM Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.07), transparent 40%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

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

.shell {
  max-width: min(900px, 100%);
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 1.5rem) 3rem;
}

.site-header {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}

.site-header .support-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
  font-size: 0.88rem;
}

.site-header .support-title {
  font-weight: 700;
  margin-right: 0.25rem;
}

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

.support-blurb {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

h1 {
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  margin: 0 0 0.35rem;
}

.eyebrow {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.68rem;
  color: var(--accent);
  margin: 0 0 0.35rem;
}

.lead {
  color: var(--muted);
  margin: 0 0 1rem;
  max-width: 62ch;
}

.panel-fold {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  overflow: hidden;
}

.panel-fold > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  user-select: none;
  border-bottom: 1px solid transparent;
}

.panel-fold > summary::-webkit-details-marker {
  display: none;
}

.panel-fold[open] > summary {
  border-bottom-color: var(--line);
}

.fold-arrow {
  width: 0;
  height: 0;
  margin-top: 0.28rem;
  border-style: solid;
  border-width: 5px 0 5px 8px;
  border-color: transparent transparent transparent var(--accent);
  transition: transform 0.15s ease;
}

.panel-fold[open] > summary .fold-arrow {
  transform: rotate(90deg);
}

.fold-h {
  font-weight: 700;
  font-size: 1rem;
}

.fold-body {
  padding: 0 1rem 1rem;
}

.fold-body > *:first-child {
  margin-top: 0.65rem;
}

.note-warn {
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.06);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font-size: 0.88rem;
  color: #fde68a;
}

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

code,
.mono {
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 0.85em;
}

.inline-code {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
}

.grid-form {
  display: grid;
  gap: 0.5rem;
  max-width: 28rem;
}

.grid-form label {
  font-size: 0.82rem;
  color: var(--muted);
}

.grid-form input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a0f16;
  color: var(--text);
  font: inherit;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.85rem;
  font: inherit;
  cursor: pointer;
  background: rgba(125, 211, 252, 0.12);
  color: var(--text);
}

.btn:hover {
  background: rgba(125, 211, 252, 0.2);
}

.out-box {
  margin-top: 0.65rem;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a0f16;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  color: #cbd5f5;
  min-height: 3rem;
}

footer.site-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--muted);
}