:root {
  --bg: #090e1a;
  --panel: #121a2a;
  --panel-soft: #0f1724;
  --text: #d8dde8;
  --muted: #8f98ac;
  --line: #2a3550;
  --accent: #77d488;
  --accent-soft: rgba(119, 212, 136, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, #15213a 0%, var(--bg) 45%);
  color: var(--text);
}

.container {
  width: min(1200px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 3vw, 2rem);
}

.header p {
  margin: 0;
  color: var(--muted);
}

.card {
  background: linear-gradient(180deg, rgba(19, 28, 43, 0.95), rgba(13, 20, 34, 0.95));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.card-title-row h2 {
  margin: 0;
  font-size: 1rem;
}

.card-title-row span {
  color: var(--muted);
  font-size: 0.8rem;
}

.controls-card {
  padding: 12px 18px;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.controls-row label {
  min-width: 68px;
  margin: 0;
}

.controls-row select {
  width: 180px;
}

#selectedWindowMeta {
  color: var(--muted);
  font-size: 0.88rem;
}

.chart-wrap {
  height: 340px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gbg-mobile-card {
  display: none;
}

.gbg-mobile-list {
  display: grid;
  gap: 8px;
}

.gbg-mobile-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
  padding: 10px 12px;
}

.gbg-mobile-row span {
  color: var(--muted);
  font-size: 0.88rem;
}

.gbg-mobile-row strong {
  color: var(--accent);
  font-size: 1.05rem;
  white-space: nowrap;
}

.stat-card h3 {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
}

.stat-card p {
  margin: 10px 0 12px;
  color: var(--text);
  font-size: 1.2rem;
}

.stat-card strong,
.detail-grid strong {
  color: var(--accent);
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1.1;
}

.stat-card small,
.detail-grid small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.detail-card h2,
.alert-card h2 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.detail-grid div {
  padding: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.detail-grid span {
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.list-item {
  display: block;
  text-decoration: none;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.list-item:hover {
  border-color: #4d628f;
  transform: translateY(-1px);
}

.list-item h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}

.list-item strong {
  color: var(--accent);
  font-size: 1.8rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.list-item small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.3;
}

.empty-box {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 14px;
  color: var(--muted);
}

.fx-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
}

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

.fx-value {
  color: var(--accent);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  white-space: nowrap;
}

.table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.desktop-table {
  display: block;
}

.mobile-cards {
  display: none;
  gap: 10px;
  margin-top: 12px;
}

.mobile-card {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 10px;
  padding: 12px;
}

.mobile-card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.mobile-sub {
  margin: 6px 0 10px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.mobile-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 5px 0;
}

.mobile-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.mobile-row strong {
  font-size: 0.95rem;
}

.mobile-row-stack {
  display: grid;
  justify-items: end;
  align-items: start;
  gap: 2px;
}

.mobile-row-stack span {
  justify-self: start;
}

.mobile-link {
  display: inline-block;
  margin-top: 10px;
  color: #9fd0ff;
  text-decoration: none;
  font-size: 0.9rem;
}

.mobile-link:hover {
  text-decoration: underline;
}

.mobile-empty {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead th {
  text-align: left;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
}

tbody td {
  border-bottom: 1px solid rgba(42, 53, 80, 0.45);
  padding: 10px;
  font-size: 0.92rem;
}

td.krw-cell {
  white-space: nowrap;
}

.tax-line + .tax-line {
  margin-top: 4px;
}

.nowrap {
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.table-link {
  color: #9fd0ff;
  text-decoration: none;
}

.table-link:hover {
  text-decoration: underline;
}

.table-empty {
  color: var(--muted);
  text-align: center;
  padding: 14px;
}

.alert-card p {
  margin-top: 0;
  color: var(--muted);
}

.button-row {
  margin-bottom: 12px;
}

button {
  border: 1px solid #3f4d6a;
  background: #1d2940;
  color: #edf2ff;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  border-color: #6377a3;
}

#alertForm {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select {
  width: 100%;
  background: #0c1424;
  color: var(--text);
  border: 1px solid #334263;
  border-radius: 8px;
  padding: 10px;
}

.rules-wrap {
  margin-top: 18px;
}

.rules-wrap h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

#rulesList {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

#rulesList li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 8px;
  padding: 10px 12px;
}

#rulesList .empty {
  color: var(--muted);
  border-style: dashed;
}

.rule-label {
  color: var(--text);
  font-size: 0.9rem;
}

.soldout {
  color: #f2b266;
}

@media (max-width: 960px) {
  body {
    padding: 14px;
  }

  .stats-grid,
  .detail-grid,
  .list-grid {
    grid-template-columns: 1fr;
  }

  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }

  .controls-row label {
    min-width: auto;
  }

  .controls-row select {
    width: 100%;
  }

  .chart-wrap {
    height: 280px;
  }
}

@media (max-width: 760px) {
  body {
    padding: 10px;
  }

  .container {
    gap: 12px;
  }

  .card {
    padding: 14px;
    border-radius: 12px;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .header p {
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .card-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .card-title-row h2 {
    font-size: 0.95rem;
  }

  .chart-wrap {
    height: 230px;
  }

  .stat-card p {
    font-size: 1rem;
    margin: 8px 0 10px;
  }

  .stat-card strong,
  .detail-grid strong,
  .list-item strong {
    font-size: clamp(1.2rem, 7vw, 1.9rem);
  }

  .fx-value {
    font-size: 1.55rem;
  }

  button,
  input,
  select {
    min-height: 42px;
  }

  .desktop-table {
    display: none;
  }

  .mobile-cards {
    display: grid;
  }

  .stats-grid {
    display: none;
  }

  .gbg-mobile-card {
    display: block;
  }

  #rulesList li {
    grid-template-columns: 1fr;
  }
}