:root {
  color-scheme: dark;
  --bg: #101010;
  --panel: #191919;
  --text: #f2eee6;
  --muted: #aaa49b;
  --accent: #c8ad78;
  --line: #393630;
  --danger: #ffb4a9;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  padding: 24px 16px; background: radial-gradient(ellipse at top, #29251f 0%, var(--bg) 55%);
  color: var(--text); font-family: Georgia, "Times New Roman", serif;
}
.shell {
  width: min(100%, 480px); border: 1px solid var(--line); background: rgba(20,20,20,.96);
  padding: clamp(24px, 6vw, 42px); box-shadow: 0 20px 70px #0008; border-radius: 4px;
}
.seal {
  display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 18px;
  border: 1px solid var(--accent); color: var(--accent); border-radius: 50%; font-size: 24px;
}
.eyebrow { color: var(--accent); letter-spacing: .18em; font: 10px/1.6 Arial, sans-serif; text-align: center; }
h1 { margin: 10px 0 12px; font-size: clamp(32px, 8vw, 42px); text-align: center; font-weight: 500; }
.intro { color: var(--muted); text-align: center; line-height: 1.5; margin: 0 0 28px; }
form { display: grid; gap: 10px; }
label { font: 12px Arial, sans-serif; color: var(--muted); }
input {
  width: 100%; border: 1px solid #4a463f; border-radius: 3px; padding: 15px 13px;
  color: var(--text); background: #0e0e0e; font-size: 16px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
button {
  border: 1px solid var(--accent); border-radius: 3px; padding: 14px 16px; margin-top: 5px;
  color: #15120d; background: var(--accent); font-weight: 700; letter-spacing: .06em;
  cursor: pointer; font-size: 13px; text-transform: uppercase;
}
button:disabled { opacity: .6; cursor: wait; }
.message { min-height: 20px; font: 13px/1.5 Arial, sans-serif; color: var(--danger); text-align: center; }
.sheet { margin-top: 24px; padding: 22px; border: 1px solid var(--line); background: var(--panel); }
.sheet-topline { color: var(--accent); letter-spacing: .18em; font: 10px Arial, sans-serif; }
.sheet h2 { font-size: 25px; font-weight: 500; margin: 14px 0 18px; }
.sheet-content { white-space: pre-wrap; overflow-wrap: anywhere; font: 15px/1.7 Georgia, serif; }
.secondary { width: 100%; margin-top: 24px; color: var(--text); background: transparent; border-color: #5a554b; }
footer { margin-top: 30px; text-align: center; color: #777168; font: 10px/1.5 Arial, sans-serif; letter-spacing: .05em; }
[hidden] { display: none !important; }