.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
}
.login-card {
  width: 100%; max-width: 360px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 32px; box-shadow: var(--card-shadow);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.login-card .mark { width: 44px; height: 44px; object-fit: contain; margin-bottom: 12px; }
.login-card h1 { font-family: var(--sans); font-size: 22px; font-weight: 700; color: var(--text); }
.login-card .sub { color: var(--text-muted); font-size: 13px; margin: 8px 0 22px; }
.login-card label {
  display: block; width: 100%; text-align: left; font-size: 12.5px;
  font-weight: 600; color: var(--text-muted); margin-bottom: 14px;
}
.login-card input {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 9px; font: inherit; font-size: 14px;
  background: var(--input-bg); color: var(--text);
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%; background: var(--accent); color: white; border: none;
  border-radius: 10px; padding: 11px; font-family: inherit; font-size: 14px;
  font-weight: 600; cursor: pointer; margin-top: 4px;
}
.login-card button:hover { background: var(--accent-hover); }
.login-card button:disabled { opacity: .6; cursor: default; }
.login-card .err {
  width: 100%; background: oklch(95% 0.05 25); color: var(--err);
  border-radius: 8px; padding: 9px 12px; font-size: 12.5px; margin-bottom: 14px;
}