/* OpenCode auth gateway — minimal, mobile-first */
:root {
  --bg: #0f1115;
  --card: #1a1d24;
  --text: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-fg: #ffffff;
  --error: #ff6b6b;
  --ok: #46d39a;
  --border: #2a2f3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  -webkit-text-size-adjust: 100%;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 22px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}
h1 { font-size: 22px; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 0 0 8px; }
p { line-height: 1.5; margin: 8px 0; }
.hint { color: var(--muted); font-size: 13px; margin-top: 14px; }
.hint a { color: var(--accent); }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; background: rgba(255,255,255,0.06); padding: 1px 5px; border-radius: 4px; }
label {
  display: block;
  margin: 12px 0 4px;
  font-size: 13px;
  color: var(--muted);
}
input[type="text"] {
  display: block;
  width: 100%;
  padding: 10px 12px;
  background: #0f1218;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  margin-top: 4px;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); }
button {
  display: inline-block;
  width: 100%;
  margin-top: 18px;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-fg);
  transition: opacity 0.15s;
}
button:hover:not(:disabled) { opacity: 0.92; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--accent); }
.error {
  color: var(--error);
  font-size: 13px;
  margin-top: 10px;
  padding: 8px 10px;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.2);
  border-radius: 6px;
}
.ok { color: var(--ok); }
#status { color: var(--muted); font-size: 14px; }