/* No web fonts, no CDN, no analytics. Every external origin in a page that
   handles keys is an exfiltration channel, so there are none. */
:root {
  --bg: #12100f;
  --fg: #e8e3dd;
  --dim: #8d857c;
  --line: #2e2a27;
  --accent: #d9a441;
  --warn: #3a2a12;
  --done: #14261a;
  --radius: 10px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf8f5; --fg: #1b1815; --dim: #6b635a; --line: #e2dcd3;
    --warn: #fdf3dd; --done: #e8f4ea;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 2rem 1.25rem 4rem;
  /* Long mnemonics and base64 keys must never push the page sideways on a
     phone; nothing here is wide enough to justify a horizontal scroll. */
  overflow-x: hidden;
  background: var(--bg); color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  max-width: 40rem; margin-inline: auto;
}
header { margin-bottom: 2.5rem; }
.wordmark {
  font-size: 1.6rem; font-weight: 650; letter-spacing: 0.02em;
  color: var(--fg); text-decoration: none;
}
.tagline { color: var(--dim); margin: 0.25rem 0 0; font-size: 0.95rem; }
h1 { font-size: 1.35rem; margin: 0 0 1.25rem; }
h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
     color: var(--dim); margin: 2rem 0 0.6rem; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; margin-bottom: 1rem;
}
.card.warn { background: var(--warn); border-color: transparent; }
.card.done { background: var(--done); border-color: transparent; }
textarea, input[type="text"] {
  width: 100%; background: transparent; color: var(--fg);
  border: 0; font: inherit; resize: vertical; outline: none;
}
/* 16px is a floor, not a preference: Safari on iOS force-zooms the page when a
   focused input is smaller, and the layout never zooms back out. */
input[type="text"], textarea, select { font-size: 16px; }
input[type="text"] { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
label { display: block; color: var(--dim); font-size: 0.9rem; margin-top: 0.75rem; }
.row { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1rem; }
.row label { margin: 0; }
select, button {
  font: inherit; padding: 0.5rem 0.9rem; border-radius: 8px;
  border: 1px solid var(--line); background: transparent; color: var(--fg); cursor: pointer;
}
button.primary {
  background: var(--accent); color: #17130c; border-color: transparent;
  font-weight: 600; padding: 0.6rem 1.4rem;
}
button:disabled { opacity: 0.5; cursor: default; }
button.linky { border: 0; padding: 0; color: var(--accent); text-decoration: underline; }
/* Numbered so a phrase can be read aloud without losing your place. */
.words {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
  gap: 0.15rem 1rem; padding-left: 2rem; margin: 0 0 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.95rem;
}
.uri, .plaintext {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem; word-break: break-all; color: var(--dim);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 0.75rem;
}
.plaintext { color: var(--fg); font-size: 0.95rem; white-space: pre-wrap; }
.note { color: var(--dim); font-size: 0.9rem; }
.status { min-height: 1.5rem; color: var(--accent); }
footer { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line);
         color: var(--dim); font-size: 0.85rem; }
dialog { max-width: 32rem; background: var(--bg); color: var(--fg);
         border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
dialog::backdrop { background: rgba(0,0,0,0.6); }
a { color: var(--accent); }