* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Inter", Arial, sans-serif;
}

body {
  background: linear-gradient(135deg, #eef2f7, #dfe9f3);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 15px;
}

.container {
  background: #ffffff;
  padding: 25px 20px;
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  animation: fadeIn 0.6s ease;
}

h2 {
  text-align: center;
  margin-bottom: 5px;
  font-size: 22px;
  color: #222;
}

.subtext {
  text-align: center;
  font-size: 13px;
  color: #666;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 12px;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: #444;
}

select {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border-radius: 8px;
  border: 1px solid #d0d5dd;
  font-size: 14px;
  transition: 0.2s;
}

select:focus {
  outline: none;
  border-color: #0073e6;
  box-shadow: 0 0 0 2px rgba(0,115,230,0.1);
}

button {
  margin-top: 18px;
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #0073e6, #005bb5);
  color: white;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 115, 230, 0.3);
}

#result {
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  display: none;
  animation: fadeIn 0.3s ease;
}

.success {
  background: #e6f9f0;
  color: #0a8f5b;
}

.medium {
  background: #fff4e5;
  color: #c77700;
}

.low {
  background: #fdecea;
  color: #c0392b;
}

.note {
  margin-top: 10px;
  font-size: 11px;
  text-align: center;
  color: #888;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}