:root {
  --bg: #f3f7f4;
  --paper: #ffffff;
  --ink: #18322a;
  --muted: #4f6d63;
  --accent: #0d8a6a;
  --line: #d6e3dc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -20%, #d9f2e7 0%, transparent 70%),
    radial-gradient(900px 400px at 100% 0%, #e4eefb 0%, transparent 65%),
    var(--bg);
}

.hero {
  padding: 28px 20px 16px;
}

.hero h1 {
  margin: 0;
  font-size: 2rem;
}

.hero p {
  margin: 6px 0;
  color: var(--muted);
}

.meta {
  font-size: 0.9rem;
  color: var(--muted);
}

main {
  padding: 0 20px 24px;
}

.controls,
.summary,
.table-wrap,
.footer-note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(15, 34, 28, 0.06);
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  padding: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.92rem;
}

select,
input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--ink);
}

.summary {
  margin-top: 14px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: linear-gradient(140deg, #f9fffc, #f4fbf8);
}

.card .k {
  color: var(--muted);
  font-size: 0.85rem;
}

.card .v {
  margin-top: 2px;
  font-weight: 700;
}

.table-wrap {
  margin-top: 14px;
  overflow: auto;
  max-height: 68vh;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  background: #edf6f2;
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.footer-note {
  margin-top: 12px;
  padding: 12px;
}

a {
  color: var(--accent);
}

.hidden {
  display: none;
}

.error {
  color: #a32626;
  font-weight: 700;
}