:root {
  color-scheme: dark;
  --ink: #f4f1e8;
  --muted: #9d9b94;
  --line: rgba(244, 241, 232, .16);
  --paper: #10110f;
  --panel: #171815;
  --acid: #d8ff48;
  --danger: #ff8d80;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 5%, rgba(216,255,72,.09), transparent 27rem),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 100% 4rem, auto;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, textarea, select { font: inherit; }
.shell { width: min(1060px, calc(100% - 40px)); margin: 0 auto; }
.masthead { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { color: var(--ink); text-decoration: none; font: 700 .78rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .22em; }
.status, .secure { color: var(--muted); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 16px var(--acid); }
.intro { padding: 88px 0 60px; max-width: 760px; }
.eyebrow { margin: 0 0 14px; color: var(--acid); font: 700 .72rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(3.2rem, 9vw, 7.5rem); line-height: .86; letter-spacing: -.075em; font-weight: 620; }
.intro > p:last-child { max-width: 510px; margin: 36px 0 0; color: var(--muted); font-size: 1.04rem; line-height: 1.65; }
.card { padding: clamp(24px, 5vw, 54px); border: 1px solid var(--line); background: color-mix(in srgb, var(--panel) 92%, transparent); box-shadow: 0 30px 90px rgba(0,0,0,.22); }
.card-head, .rescue-head, .actions { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 3.4rem); font-weight: 520; letter-spacing: -.04em; }
form { margin-top: 48px; }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
label { display: block; margin-bottom: 25px; color: var(--muted); font-size: .76rem; letter-spacing: .055em; text-transform: uppercase; }
input, textarea, select {
  display: block; width: 100%; margin-top: 10px; padding: 15px 0; color: var(--ink); border: 0; border-bottom: 1px solid var(--line); border-radius: 0; outline: 0; background: transparent; letter-spacing: normal; text-transform: none;
}
textarea { resize: vertical; line-height: 1.55; min-height: 150px; }
select { color-scheme: dark; }
input:focus, textarea:focus, select:focus { border-color: var(--acid); }
.optional, .hint { color: #74766f; font-size: .72rem; text-transform: none; letter-spacing: 0; }
.hint { margin: -14px 0 28px; line-height: 1.45; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.actions { align-items: center; margin-top: 38px; border-top: 1px solid var(--line); padding-top: 30px; }
.actions button, .copy-row button {
  border: 0; padding: 16px 22px; background: var(--acid); color: #10110f; font-weight: 720; cursor: pointer; transition: transform .15s ease, opacity .15s ease;
}
.actions button:hover, .copy-row button:hover { transform: translateY(-2px); }
.actions button:disabled { cursor: wait; opacity: .55; transform: none; }
.actions button span { margin-left: 25px; }
.actions p { max-width: 260px; margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.5; }
.form-error { margin: 22px 0 0; color: var(--danger); }
.result { margin-top: 28px; }
.result > p { color: var(--muted); }
.rescue { margin-top: 36px; padding: 28px; border: 1px solid rgba(216,255,72,.32); background: rgba(216,255,72,.045); }
.rescue h3 { margin: 0; font-size: 1.4rem; font-weight: 540; }
.rescue-head > span { color: var(--acid); font: 700 .72rem/1.3 ui-monospace, monospace; text-transform: uppercase; }
.rescue > p { color: var(--muted); line-height: 1.55; }
.copy-row { display: flex; gap: 10px; margin: 22px 0; }
.copy-row input { margin: 0; padding: 13px; border: 1px solid var(--line); font-family: ui-monospace, monospace; font-size: .78rem; }
.copy-row button { flex: 0 0 auto; }
.again { display: inline-block; margin-top: 26px; color: var(--ink); text-underline-offset: 5px; }
footer { display: flex; justify-content: space-between; padding: 38px 0 60px; color: #676962; font: .68rem/1.5 ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 680px) {
  .shell { width: min(100% - 24px, 1060px); }
  .masthead { height: 68px; }
  .intro { padding: 64px 0 42px; }
  .grid.two { grid-template-columns: 1fr; gap: 0; }
  .card-head, .rescue-head, .actions { flex-direction: column; }
  .actions button { width: 100%; }
  .copy-row { flex-direction: column; }
  footer { gap: 20px; flex-direction: column; }
}