:root {
  --ink: #1b2430;
  --muted: #5b6673;
  --accent: #14505c;
  --accent-ink: #ffffff;
  --line: #d9dee3;
  --error: #b4471f;
  --bg: #f3f5f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px;
}

.brand {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 20px;
}

h1 { font-size: 22px; margin: 0 0 8px; }
p { margin: 0 0 16px; color: var(--muted); }

label { display: block; font-weight: 600; margin-bottom: 4px; }

input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  margin-bottom: 14px;
}

.check { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.check label { margin: 0; font-weight: 400; }

button, .button {
  display: inline-block;
  width: 100%;
  padding: 11px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.button.secondary { background: #fff; color: var(--accent); border: 1px solid var(--accent); margin-top: 8px; }

.error { color: var(--error); margin-bottom: 12px; }
.links { margin-top: 16px; font-size: 14px; }
.links a { color: var(--accent); }