:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --brand: #0e7490;
  --brand-soft: #d9f3fa;
  --line: #d1d5db;
  --ok: #0f766e;
  --bad: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top right, #d8eef5, transparent 45%), var(--bg);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

.app {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.hero {
  padding: 8px 4px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

textarea,
select,
input,
button {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
}

textarea,
select,
input {
  padding: 10px;
  background: #fff;
}

textarea {
  resize: vertical;
}

.grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.actions {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.actions.triple-mobile {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.split-stats {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.sub-title {
  font-size: 16px;
  margin-top: 6px;
  color: var(--ink);
}

.table-actions {
  display: flex;
  gap: 6px;
}

.table-actions button {
  min-width: 64px;
  width: auto;
  padding: 6px 8px;
  font-size: 12px;
}

.table-actions .danger {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #be123c;
}

.table-actions .warn {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #c2410c;
}

button {
  padding: 11px 12px;
  font-weight: 700;
  background: var(--brand);
  color: #fff;
  border: 1px solid var(--brand);
}

button:disabled {
  opacity: 0.5;
}

button.ghost {
  background: #fff;
  color: var(--brand);
}

.status {
  font-size: 14px;
  color: var(--muted);
}

.status.ok {
  color: var(--ok);
}

.status.bad {
  color: var(--bad);
}

.stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stats article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: linear-gradient(165deg, #ffffff, var(--brand-soft));
}

.stats h3 {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.stats p {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  font-size: 13px;
}

.pricing ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

@media (max-width: 760px) {
  .grid,
  .split-grid,
  .actions.single-mobile,
  .stats,
  .split-stats {
    grid-template-columns: 1fr;
  }

  .actions.triple-mobile {
    grid-template-columns: 1fr;
  }

  .app {
    padding: 12px;
  }

  .table-actions {
    flex-direction: column;
  }
}