:root {
  --auth-bg: #f4f4ef;
}

.auth-body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(29, 90, 70, 0.045), transparent 38%),
    var(--auth-bg);
  display: grid;
  place-items: center;
  padding: 28px;
}

.auth-shell { width: 100%; max-width: 420px; }
.auth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 28px 22px;
  box-shadow: 0 18px 50px rgba(28, 33, 30, 0.08);
}
.auth-brand { margin: 0 0 26px; padding: 0; }
.auth-heading h1 { margin: 0; font-size: 25px; font-weight: 650; letter-spacing: -0.02em; }
.auth-heading p { margin: 5px 0 20px; color: var(--muted); font-size: 12.5px; }
.auth-tabs { display: flex; gap: 2px; background: #eeeee8; border: 1px solid var(--line); border-radius: 7px; padding: 3px; margin-bottom: 18px; }
.auth-tab { flex: 1; border: 0; background: transparent; border-radius: 5px; padding: 7px; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.auth-tab.is-active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }
.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form label { margin-top: 6px; color: var(--ink-soft); font-size: 11.5px; font-weight: 650; }
.auth-form input { height: 38px; }
.auth-submit { margin-top: 10px; width: 100%; padding: 9px 12px; }
.auth-note { margin: 2px 0 0; color: var(--muted); font-size: 10.5px; line-height: 1.5; }
.auth-foot { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10.5px; line-height: 1.5; text-align: center; }

@media (max-width: 480px) {
  .auth-body { padding: 14px; }
  .auth-card { padding: 22px 20px 18px; }
}