@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: #818589;
  color: #333;
}

header.grid-header {
  background: #039590;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  border-bottom: 3px solid #000;
}
header .main-title {
  font-size: 1.5rem;
  font-weight: 600;
}
header .badge-beta {
  background: #039590;
  color: #fff;
  font-size: 0.75rem;
  padding: 0.25em 0.5em;
  border-radius: 4px;
  margin-left: 0.5em;
}

.login-flexbox {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.login-container {
  background: #000;
  color: #fff;
  padding: 3rem 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-container h2 {
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: #039590;
}

.login-container .error {
  color: #f66;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

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

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #444;
  border-radius: 6px;
  background: #fff;
  color: #333;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #039590;
  box-shadow: 0 0 0 3px rgba(3,149,144,0.2);
  outline: none;
}

button {
  width: 100%;
  padding: 0.75rem;
  background: #039590;
  color: #fff;
  border: 2px solid #000;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s, border-color 0.3s;
}

button:hover {
  background: #027a6a;
  border-color: #027a6a;
}