:root {
  color-scheme: light;
  --background: #f4f7f2;
  --panel: #ffffff;
  --text: #18211d;
  --muted: #607066;
  --line: #d8e0d8;
  --accent: #0f766e;
  --accent-strong: #115e59;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), transparent 38%),
    linear-gradient(315deg, rgba(180, 83, 9, 0.12), transparent 34%),
    var(--background);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.panel {
  width: min(100%, 420px);
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(24, 33, 29, 0.12);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-family: Verdana, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: 2rem;
  line-height: 1.1;
}

.message {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

label {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-family: Verdana, sans-serif;
  font-size: 0.88rem;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
}

.form-error {
  margin: 18px 0 0;
  padding: 10px 12px;
  border: 1px solid #b91c1c;
  border-radius: 6px;
  background: rgba(185, 28, 28, 0.08);
  color: #991b1b;
  font-family: Verdana, sans-serif;
  font-size: 0.85rem;
}

button {
  width: 100%;
  min-height: 44px;
  margin-top: 24px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-family: Verdana, sans-serif;
  font-weight: 700;
}