body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.logo-mark {
  width: 40px;
  height: auto;
  color: var(--text);
  margin: 0 auto 4px;
  display: block;
}
form {
  width: min(320px, 90vw);
  padding: 32px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
form h1 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 4px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
}
form p.hint {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}
form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
}
form input:focus { border-color: var(--text); }
form button {
  background: var(--text);
  border: none;
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
}
form button:hover { opacity: 0.85; }
form .error { color: #f87171; font-size: 13px; min-height: 16px; }