* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f0f2f5;
  color: #1a1a1a;
}

.card {
  width: 100%;
  max-width: 360px;
  padding: 28px 24px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

h1 {
  margin: 0 0 20px;
  font-size: 1.35rem;
  text-align: center;
}

label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.875rem;
  color: #444;
}

input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid #d0d5dd;
  border-radius: 6px;
  font-size: 1rem;
}

button[type="submit"] {
  width: 100%;
  margin-top: 8px;
  padding: 11px;
  border: none;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

button[type="submit"]:hover {
  background: #1d4ed8;
}

.link {
  border: none;
  background: none;
  color: #2563eb;
  cursor: pointer;
  padding: 0;
  font-size: 0.875rem;
}

.switch {
  margin: 16px 0 0;
  text-align: center;
}

.msg {
  margin: 0 0 12px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
}

.msg.error {
  background: #fef2f2;
  color: #b91c1c;
}

.msg.ok {
  background: #f0fdf4;
  color: #15803d;
}

.hidden {
  display: none !important;
}

.logged-in {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #eee;
  font-size: 0.9rem;
}

.logged-in .meta {
  color: #666;
  font-size: 0.85rem;
}