:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --ink: #172026;
  --muted: #60707a;
  --line: #d9e0e4;
  --panel: #ffffff;
  --accent: #2f6f68;
  --accent-dark: #23534e;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.shell {
  width: min(920px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  padding: 42px 0;
}
.brand { display: flex; align-items: center; gap: 14px; }
.mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
h1, h2, p { margin: 0; }
h1 { font-size: 24px; font-weight: 700; }
.brand p, .hint, .meta span { color: var(--muted); }
.panel {
  align-self: center;
  max-width: 420px;
  width: 100%;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(23, 32, 38, 0.08);
}
.status { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #20a36b; }
h2 { font-size: 20px; margin-bottom: 22px; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; font-size: 14px; color: #33424b; }
input {
  width: 100%; height: 42px;
  border: 1px solid #cbd5da;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  font-size: 15px;
}
input:focus { outline: 2px solid rgba(47, 111, 104, 0.22); border-color: var(--accent); }
button {
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); }
.hint { margin-top: 16px; font-size: 13px; }
.meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.meta div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.65);
}
.meta strong, .meta span { display: block; }
.meta strong { margin-bottom: 4px; }
.meta span { font-size: 13px; }
@media (max-width: 620px) {
  .shell { padding: 28px 0; gap: 20px; }
  .panel { padding: 22px; }
  .meta { grid-template-columns: 1fr; }
}