@font-face {
  font-family: 'GT America';
  src: url('/fonts/gt-america-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'GT America';
  src: url('/fonts/gt-america-medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'GT America Mono';
  src: url('/fonts/gt-america-mono.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0e0f13;
  --panel: #171922;
  --panel-2: #1f2230;
  --ink: #e8eaf2;
  --ink-dim: #9aa0b3;
  --accent: #ffd23f;
  --accent-2: #4cc2ff;
  --ok: #5fd47b;
  --warn: #ff7a59;
  --border: #2a2e3c;
  --radius: 10px;
  --max: 760px;
  font-size: 16px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

/* OS-gated visibility — driven by data-os on <html>, set by inline
   script in <head> so the right sections are hidden before paint. */
[data-os="macos"] header,
[data-os="macos"] ol.steps,
[data-os="macos"] footer { display: none !important; }

[data-os="windows"] #not-supported,
[data-os="linux"] #not-supported,
[data-os="unknown"] #not-supported { display: none !important; }

#cmd-windows, #cmd-linux { display: none; }
[data-os="windows"] #cmd-windows,
[data-os="linux"] #cmd-linux { display: block; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'GT America', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 96px;
}

.brand {
  display: inline-block;
  margin-bottom: 28px;
  opacity: 0.85;
  text-decoration: none;
}

.brand img {
  height: 18px;
  width: auto;
  display: block;
}

header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

h1 {
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.2;
}

.payout {
  color: var(--accent);
  white-space: nowrap;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.lede {
  color: var(--ink-dim);
  margin: 0;
}

.muted {
  color: var(--ink-dim);
  font-weight: 400;
}

ol.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  counter-reset: step;
}

ol.steps > li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.cmd-block { margin-top: 8px; }

.cmd-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin: 8px 0;
}

code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: 'GT America Mono', ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.82rem;
  display: block;
  overflow-x: auto;
  white-space: pre;
  flex: 1;
  color: var(--ink);
}

kbd {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'GT America Mono', ui-monospace, monospace;
  font-size: 0.85em;
}

.copy-btn, button#submit-btn, .os-switcher button {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: filter .15s;
}

.copy-btn:hover, button#submit-btn:not(:disabled):hover, .os-switcher button:hover {
  filter: brightness(1.08);
}

.os-switcher {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.os-switcher button {
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--border);
}

button#submit-btn {
  font-size: 1.05rem;
  padding: 14px 22px;
  width: 100%;
}

button#submit-btn:disabled {
  background: var(--panel-2);
  color: var(--ink-dim);
  cursor: not-allowed;
}

textarea, input[type="email"] {
  width: 100%;
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: 'GT America Mono', ui-monospace, monospace;
  font-size: 0.85rem;
  resize: vertical;
}

input[type="email"] {
  font-family: inherit;
  font-size: 1rem;
}

textarea:focus, input[type="email"]:focus {
  outline: 2px solid var(--accent-2);
  outline-offset: 1px;
}

.hint {
  color: var(--ink-dim);
  font-size: 0.88rem;
  margin: 8px 0 0;
}

.hint.ok { color: var(--ok); }
.hint.warn { color: var(--warn); }

#step-consent label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  cursor: pointer;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

#step-consent input { margin-top: 4px; flex-shrink: 0; }

#success {
  background: var(--panel);
  border: 1px solid var(--ok);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 24px;
}

#success strong { color: var(--accent); font-family: 'GT America Mono', ui-monospace, monospace; }

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--ink-dim);
  font-size: 0.9rem;
}

footer details {
  margin-bottom: 16px;
}

footer summary {
  cursor: pointer;
  color: var(--ink);
  margin-bottom: 8px;
}

footer ul {
  padding-left: 20px;
  margin: 8px 0;
}

footer a { color: var(--accent-2); }

.footer-note {
  margin-top: 24px;
  font-size: 0.82rem;
}

details {
  margin-top: 12px;
}

details summary {
  cursor: pointer;
  color: var(--ink-dim);
  font-size: 0.88rem;
}

@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  main { padding: 20px 14px 80px; }
  .cmd-row { flex-direction: column; }
}
