:root {
  color-scheme: light dark;
  --bg: #f6f4ee;
  --card: #fff;
  --ink: #20392e;
  --muted: #647269;
  --green: #244c3a;
  --on-green: #fff;
  --line: #e2e6dd;
  --danger: #a13732;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181c1a;
    --card: #232a26;
    --ink: #e7eee9;
    --muted: #acb9b0;
    --green: #a4d3b3;
    --on-green: #183323;
    --line: #3c4941;
    --danger: #f0aaa4;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    17px/1.6 system-ui,
    sans-serif;
}
main {
  max-width: 700px;
  margin: auto;
  padding: 36px 20px 60px;
}
.brand {
  font-size: 30px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -1px;
}
h1 {
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.15;
  letter-spacing: -1.4px;
}
h2 {
  font-size: 23px;
  line-height: 1.25;
}
section {
  margin: 24px 0;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
}
p {
  color: var(--muted);
}
a {
  color: var(--green);
  overflow-wrap: anywhere;
}
form {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
input {
  width: 100%;
  font: inherit;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
}
button {
  font: 600 16px system-ui;
  min-height: 48px;
  padding: 14px 18px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: var(--green);
  color: var(--on-green);
  cursor: pointer;
  max-width: 100%;
  margin-top: 10px;
}
.secondary {
  background: transparent;
  color: var(--green);
  border-color: var(--line);
}
.danger {
  background: var(--danger);
  color: var(--bg);
}
.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.check input {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 4px;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
}
footer {
  font-size: 14px;
  color: var(--muted);
  margin-top: 36px;
}
[hidden] {
  display: none !important;
}