/* TAPE — terminal theme for teenytinybots.com
 * Ground #0B0E0C · panel #111511 · phosphor amber #FFB000
 * up #3FD68F · down/error #FF5C5C · text #D6E2D6 · muted #7A8A7A
 * Chart ink (validated, see THEME_NOTES.md): series #C68600/#17A69C, up #2FA36B, down #C74A4A
 */
:root {
  --ground: #0B0E0C;
  --panel: #111511;
  --panel-edge: #1F291F;
  --field: #0E120E;
  --field-edge: #263126;
  --text: #D6E2D6;
  --muted: #7A8A7A;
  --amber: #FFB000;
  --amber-hi: #FFC133;
  --up: #3FD68F;
  --down: #FF5C5C;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font: 16px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  background: var(--ground); color: var(--text);
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 1.25rem;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

.card {
  width: 100%; max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
}

.brand {
  font-weight: 700; letter-spacing: .04em;
  color: var(--amber); font-size: 1rem;
  margin-bottom: 1.4rem;
}
.brand::before { content: "▮ "; }
.brand span { color: var(--amber); }

h1 { font-size: 1.25rem; margin-bottom: .75rem; letter-spacing: -0.01em; }
h2 { margin: 1.25rem 0 .5rem; }
p { margin-bottom: .75rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

label {
  display: block; margin: 1rem 0 .35rem;
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--amber); opacity: .85;
}
input {
  width: 100%; padding: .7rem .75rem; border-radius: 6px;
  border: 1px solid var(--field-edge);
  background: var(--field); color: var(--text);
  font: inherit; font-size: 1rem;
}
input:focus { outline: 2px solid var(--amber); outline-offset: -1px; border-color: transparent; }
input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px var(--field) inset;
  -webkit-text-fill-color: var(--text);
}

button {
  margin-top: 1.2rem; width: 100%; padding: .8rem;
  border: 0; border-radius: 6px;
  background: var(--amber); color: var(--ground);
  font: inherit; font-size: 1rem; font-weight: 700;
  cursor: pointer; min-height: 48px;
}
button:hover { background: var(--amber-hi); }
button:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
button.secondary { background: var(--panel-edge); color: var(--text); }
button.secondary:hover { background: var(--field-edge); }

.alert {
  background: #241111; border: 1px solid #4A2020; color: #FF9C9C;
  border-radius: 6px; padding: .6rem .8rem; margin-bottom: .9rem;
  font-size: .85rem;
}

.qr {
  background: #fff; border-radius: 8px; padding: .75rem;
  margin: .75rem 0; text-align: center;
}
.qr svg { width: 200px; height: 200px; max-width: 100%; }
.secret {
  display: block; margin-top: .5rem; word-break: break-all;
  color: var(--amber);
}

.codes {
  list-style: none; margin: .75rem 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: .4rem;
}
.codes code {
  background: #191F16; border: 1px solid #2C351F; color: var(--amber);
  border-radius: 4px; padding: .3rem .5rem; display: block; text-align: center;
  font-variant-numeric: tabular-nums;
}

a { color: var(--amber); }
a:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

table.audit {
  width: 100%; border-collapse: collapse;
  font-size: .78rem; margin-top: .25rem;
  font-variant-numeric: tabular-nums;
}
table.audit td { padding: .35rem .4rem; border-top: 1px solid var(--panel-edge); color: var(--muted); }
td.ok { color: var(--up); } td.bad { color: var(--down); }

.row { display: flex; gap: .75rem; }
.row form { flex: 1; }

footer {
  margin-top: 1rem; font-size: .72rem; color: #48544A;
  letter-spacing: .04em;
  padding-bottom: max(0px, env(safe-area-inset-bottom));
}

details summary { cursor: pointer; margin-top: .25rem; }

@media (prefers-reduced-motion: no-preference) {
  button, input { transition: background .12s ease, outline-color .12s ease; }
}