:root {
  color-scheme: dark;
  --canvas: #0c1220;
  --panel: #141d2e;
  --border: #2a3956;
  --text: #edf3ff;
  --muted: #a6b4cc;
  --accent: #66d5a3;
  --notice: #102c29;
  --danger: #ff9a9a;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--text); font: 16px/1.5 Inter, ui-sans-serif, system-ui, sans-serif; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(2.5rem, 7vw, 4.5rem); letter-spacing: -.05em; line-height: 1; margin-bottom: 1rem; }
h2 { font-size: 1.25rem; }
button, input { font: inherit; }
button { background: var(--accent); border: 0; border-radius: .5rem; color: #072415; cursor: pointer; font-weight: 700; padding: .7rem 1rem; }
button:hover:not(:disabled) { filter: brightness(1.08); }
button:disabled { cursor: wait; opacity: .7; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
input { background: #0b1424; border: 1px solid var(--border); border-radius: .4rem; color: var(--text); padding: .65rem; }
label { color: var(--muted); display: grid; gap: .35rem; }
.shell { margin: 0 auto; max-width: 1100px; padding: 3rem 1.25rem 5rem; }
.hero { max-width: 760px; margin-bottom: 2rem; }
.eyebrow { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .12em; margin-bottom: .5rem; text-transform: uppercase; }
.lede, .muted, footer { color: var(--muted); }
.notice, .panel { border: 1px solid var(--border); border-radius: .8rem; padding: 1.25rem; }
.notice { background: var(--notice); border-color: #2c7569; margin: 1rem 0; }
.notice h2 { color: var(--accent); }
.notice p { margin-bottom: 0; }
.login-panel { max-width: 460px; }
.login-panel form { display: grid; gap: 1rem; margin-top: 1rem; }
.error { color: var(--danger); min-height: 1.5rem; }
.toolbar { align-items: center; display: flex; gap: 1rem; justify-content: space-between; }
.toolbar p:last-child { margin-bottom: 0; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.panel p:last-child { margin-bottom: 0; }
footer { border-top: 1px solid var(--border); font-size: .9rem; margin-top: 2rem; padding-top: 1.5rem; }
footer p { margin-bottom: 0; }
@media (max-width: 760px) { .shell { padding-top: 2rem; } .toolbar { align-items: stretch; flex-direction: column; } .grid { grid-template-columns: 1fr; } }

footer code { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; }