:root {
  --primary: #0b6b3a;
  --ink: #12201a;
  --text2: #45534c;
  --border: #e2ddd0;
  --paper: #f6f4ee;
  --sand: #f1e9d4;
  --error: #b3261e;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 32px 16px 48px; background: var(--paper); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.card { max-width: 520px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 28px 24px; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.brand img { border-radius: 12px; }
.name { font-weight: 700; font-size: 17px; }
h1 { font-size: 26px; letter-spacing: -0.3px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 14px 0 6px; }
h2:first-child { margin-top: 0; }
ul { margin: 0; padding-left: 20px; color: var(--text2); }
.muted { color: var(--text2); margin: 0; }
.small { font-size: 14px; margin-top: 12px; }
.box { background: var(--paper); border-radius: 16px; padding: 16px 18px; margin: 18px 0 8px; }
label { display: block; font-weight: 600; font-size: 14px; color: var(--text2); margin: 18px 0 6px; }
input { width: 100%; font: inherit; padding: 13px 14px; border: 1.2px solid var(--border); border-radius: 14px; }
input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
button { font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: 0.55; cursor: default; }
.primary, .danger { width: 100%; margin-top: 14px; padding: 14px; border: 0; border-radius: 16px; color: #fff; }
.primary { background: var(--primary); }
.danger { background: var(--error); }
.link { display: block; margin: 14px auto 0; background: none; border: 0; color: var(--primary); }
#message { margin: 16px 0 0; min-height: 1.5em; font-weight: 600; }
#message.bad { color: var(--error); }
#message.ok { color: var(--primary); }
[hidden] { display: none !important; }