:root {
  color-scheme: dark;
  --forest: #0c241f;
  --panel: #15362e;
  --ink: #f7f2e8;
  --muted: #b8cdc0;
  --amber: #f0b84b;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--forest); color: var(--ink); line-height: 1.6; }
a { color: var(--amber); }
.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 28px 0 14px; border-bottom: 1px solid #2a5545; }
nav { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
main { padding: 32px 0 56px; }
.panel { background: var(--panel); border: 1px solid #2a5545; border-radius: 16px; padding: 24px; margin: 18px 0; }
.notice { border-left: 4px solid var(--amber); padding-left: 14px; color: var(--muted); }
footer { border-top: 1px solid #2a5545; padding: 18px 0 36px; color: var(--muted); font-size: .9rem; }
button, .button { display: inline-block; border: 0; border-radius: 10px; background: var(--amber); color: #1b241c; padding: 10px 16px; font-weight: 700; text-decoration: none; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }