/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: linear-gradient(135deg, #667eea, #764ba2);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Main Container Card */
.container {
  background: #fff;
  padding: 30px 35px;
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  max-width: 420px;
  width: 100%;
  animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  text-align: center;
  margin-bottom: 25px;
  color: #333;
  font-size: 1.8rem;
  letter-spacing: 1px;
}

/* Form Fields */
form p {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: 6px;
  font-weight: 600;
  color: #555;
  font-size: 0.95rem;
}

input {
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-size: 1rem;
  transition: 0.3s;
}

input:focus {
  border-color: #667eea;
  outline: none;
  box-shadow: 0 0 8px rgba(102, 126, 234, 0.3);
}

/* Button */
button {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  background: linear-gradient(135deg, #5a6fd6, #693c9c);
  transform: scale(1.02);
}

/* Results */
#results {
  margin-top: 20px;
  font-size: 1.3rem;
  font-weight: bold;
  text-align: center;
  color: #333;
  padding: 10px;
  border-radius: 10px;
  background: #f8f9ff;
  box-shadow: inset 0 0 8px rgba(0,0,0,0.05);
}

/* Guide Section */
#result-guide {
  margin-top: 25px;
  padding: 15px;
  background: #f1f3ff;
  border-radius: 15px;
  border-left: 5px solid #667eea;
}

#result-guide h3 {
  margin-bottom: 12px;
  text-align: center;
  color: #444;
  font-size: 1.2rem;
}

#result-guide p {
  margin: 6px 0;
  font-size: 0.95rem;
  color: #555;
}