body {
  font-family: 'Segoe UI', Arial, sans-serif;
  max-width: 750px;
  margin: 2em auto;
  padding: 1em;
  background: linear-gradient(120deg, #e0f7fa 0%, #fafafa 100%);
  color: #2d3a3a;
}
h1 {
  text-align: center;
  color: #207868;
  font-size: 2.3em;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3em;
}
h2 {
  color: #388e3c;
  margin-bottom: 0.6em;
}
.section {
  background: #f9fbe7;
  border-radius: 8px;
  box-shadow: 0 1px 6px #388e3c16;
  padding: 2em 1.5em;
  margin-bottom: 1.5em;
}
input, select {
  width: 90%;
  padding: 0.45em 0.2em;
  margin-bottom: 1em;
  border: 1.2px solid #b2dfdb;
  border-radius: 5px;
  font-size: 1em;
  background: #fcfcfc;
  transition: border 0.2s;
}
input:focus, select:focus {
  border: 1.6px solid #26a69a;
  outline: none;
  background: #e0f2f1;
}
label {
  font-weight: 600;
  color: #388e3c;
}
.btn {
  background: #26a69a;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.6em 1.4em;
  font-size: 1.07em;
  margin-top: 1.2em;
  margin-right: 0.6em;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover {
  background: #00897b;
}
.btn.secondary {
  background: #b2dfdb;
  color: #388e3c;
}
.result {
  margin-top: 2em;
  padding: 1.2em 1.2em 0.8em 1.2em;
  border: 1.5px solid #a7ffeb;
  border-radius: 7px;
  background: #f1f8e9;
  font-size: 1.11em;
}
.summary-table {
  width: 100%;
  margin-top: 1em;
  border: 1.5px solid #80cbc4;
  background: #f9fbe7;
  border-radius: 8px;
  font-size: 1.06em;
  box-shadow: 0 1px 6px #388e3c16;
  overflow: hidden;
}
.summary-table td, .summary-table th {
  padding: 0.5em 0.4em;
  text-align: right;
}
.summary-table th {
  background: #aed581;
  color: #2d3a3a;
}
.summary-table td {
  background: #f1f8e9;
}
.icon {
  font-family: 'Material Icons';
  vertical-align: middle;
  font-size: 1.3em;
  color: #388e3c;
  margin-right: 0.15em;
}
.note {
  font-size: 0.98em;
  color: #607d8b;
  margin-top: 0.5em;
  background: #f1f8e9;
  border-radius: 5px;
  padding: 0.5em 1em;
  border-left: 4px solid #26a69a;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.2em;
}
th, td {
  border: 1px solid #b2dfdb;
  padding: 0.4em 0.3em;
  text-align: left;
}
@media (max-width: 600px) {
  body { padding: 0.25em; }
  .section { padding: 1em 0.6em; }
  .summary-table, .result, table, th, td { font-size: 0.98em; }
  h1 { font-size: 1.3em; }
  h2 { font-size: 1.07em; }
}