*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}

.logo {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

h1 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.subtitle {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 1.5rem;
}

.field {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: #333;
}

input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1.5px solid #d1d1d1;
  border-radius: 6px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus {
  border-color: #4f46e5;
}

button[type="submit"] {
  width: 100%;
  padding: 0.7rem;
  background: #4f46e5;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.15s;
}

button[type="submit"]:hover { background: #4338ca; }
button[type="submit"]:disabled { background: #a5b4fc; cursor: not-allowed; }

.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  text-align: center;
}