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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f4f8;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  padding: 1rem;
  display: flex;
  justify-content: center;
}

.login-card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.logo {
  max-width: 220px;
  margin-bottom: 0.5rem;
  display: block;
}

.subtitle {
  color: #718096;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #4a5568;
  margin-bottom: 0.4rem;
}

input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  font-size: 1rem;
  color: #2d3748;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: #F2A800;
  box-shadow: 0 0 0 3px rgba(242, 168, 0, 0.15);
}

button[type="submit"] {
  width: 100%;
  padding: 0.75rem;
  background: #F2A800;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.2s;
}

button[type="submit"]:hover {
  background: #d49200;
}

button[type="submit"]:disabled {
  background: #a0aec0;
  cursor: not-allowed;
}

.error {
  color: #e53e3e;
  font-size: 0.875rem;
  margin-top: 0.75rem;
  text-align: center;
}

.hidden {
  display: none;
}