body {
  font-family: system-ui, Arial, sans-serif;
  background: #f3f6f5;
  margin: 0;
  padding: 0;
}

.mf-calculator {
  max-width: 420px;
  margin: 20px auto;
  background: #fff;
  padding: 20px;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

h1 {
  font-size: 22px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
}

.slider-box {
  margin-bottom: 20px;
}

.slider-box label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.slider-box .value {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 6px;
}

input[type="range"] {
  width: 100%;
  accent-color: #2e7d32;
}

.result-card {
  margin-top: 20px;
  border-left: 5px solid #2e7d32;
  background: #f9fbfa;
  padding: 15px;
  border-radius: 10px;
}

.graph {
  height: 130px;
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 15px;
}

.bar {
  width: 45%;
  border-radius: 8px 8px 0 0;
  transition: height 0.4s ease;
}

.invested-bar {
  background: #cfd8dc;
}

.returns-bar {
  background: #2e7d32;
}

.row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #e0e0e0;
}

.row:last-child {
  border-bottom: none;
}

.highlight {
  color: #2e7d32;
  font-size: 17px;
  font-weight: 700;
}