/* Body Styling */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fef6f0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

/* Container Card */
.container {
  background-color: #ffffff;
  padding: 30px 40px;
  border-radius: 20px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 320px;
}

/* Heading */
h1 {
  text-align: center;
  color: #333;
  margin-bottom: 25px;
  font-size: 1.8rem;
}

/* Inputs */
input {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid #ddd;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
}

input:focus {
  border-color: #ffb3c1;
  box-shadow: 0 0 8px #ffb3c1;
}

/* Button */
button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background-color: #ffb3c1;
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #ff85a2;
  transform: scale(1.05);
}

/* Result Box */
#results {
  margin-top: 20px;
  padding: 15px;
  border-radius: 15px;
  width: 100%;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: inset 0 0 5px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

/* BMI Status Colors */
.underweight { background-color: #fcd5ce; color: #b33a3a; }
.normal { background-color: #c8f7c5; color: #2b7a0b; }
.overweight { background-color: #fff3b0; color: #b38f00; }
.obese { background-color: #f8c1c1; color: #9e2b2b; }