:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #eef3f7;
  --text: #17202a;
  --muted: #657282;
  --border: #d8dee6;
  --accent: #16756f;
  --accent-2: #b45427;
  --good: #0f7b4f;
  --warn: #a46000;
  --bad: #b3261e;
  --shadow: 0 12px 34px rgba(32, 42, 54, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Malgun Gothic", Arial, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  width: min(1800px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar,
.metrics-grid,
.workspace,
.chart-grid {
  display: grid;
  gap: 16px;
}

.topbar {
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-bottom: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

h2 {
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: 0;
}

.topbar p,
.panel-heading span,
.metric-card span {
  color: var(--muted);
}

.topbar p {
  margin-top: 6px;
  font-size: 14px;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
}

.select-label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

select,
input[type="search"] {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 0 12px;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.metric-card,
.controls-panel,
.chart-panel,
.table-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card {
  min-height: 88px;
  padding: 16px;
  display: grid;
  align-content: space-between;
}

.metric-card strong {
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: 0;
}

.workspace {
  grid-template-columns: 340px minmax(0, 1fr);
  align-items: start;
}

.controls-panel {
  position: sticky;
  top: 16px;
  padding: 16px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

#resetControls {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-soft);
  min-height: 34px;
  padding: 0 12px;
  cursor: pointer;
}

.control-group {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.control-group label {
  color: var(--muted);
  font-size: 13px;
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 88px;
  gap: 12px;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

output {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.toggle-row {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  color: var(--text);
  font-size: 14px;
}

.toggle-row label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-panel {
  min-width: 0;
}

.chart-grid {
  grid-template-columns: minmax(0, 1.6fr) minmax(360px, 0.9fr);
  margin-bottom: 16px;
}

.chart-panel,
.table-panel {
  padding: 16px;
}

canvas {
  width: 100%;
  height: 380px;
  display: block;
  background: #fbfcfd;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.chart-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.chart-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-target {
  background: var(--good);
}

.dot-feasible {
  background: var(--accent);
  opacity: 0.62;
}

.dot-blocked {
  background: #b9c2cc;
  opacity: 0.72;
}

.dash-line {
  width: 22px;
  border-top: 2px dashed var(--accent-2);
  display: inline-block;
}

.table-panel {
  overflow: hidden;
}

.table-panel .panel-heading {
  align-items: center;
}

#searchBox {
  width: min(360px, 42vw);
}

.table-wrap {
  max-height: 560px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1120px;
  font-size: 13px;
}

thead {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #eef3f7;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child,
th:nth-child(2),
td:nth-child(2) {
  text-align: left;
}

tbody tr:hover {
  background: #f3f7f6;
}

.listing-name {
  display: grid;
  gap: 3px;
}

.listing-name strong {
  font-size: 13px;
}

.listing-name span {
  color: var(--muted);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-good {
  color: var(--good);
  font-weight: 700;
}

.status-warn {
  color: var(--warn);
  font-weight: 700;
}

.status-bad {
  color: var(--bad);
  font-weight: 700;
}

.tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 20;
  background: rgba(23, 32, 42, 0.94);
  color: #fff;
  border-radius: 6px;
  padding: 10px 12px;
  width: max-content;
  max-width: 320px;
  font-size: 12px;
  box-shadow: var(--shadow);
}

@media (max-width: 1200px) {
  .workspace,
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .controls-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 14px;
  }

  .topbar {
    grid-template-columns: 1fr;
  }

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

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-card strong {
    font-size: 21px;
  }

  canvas {
    height: 320px;
  }

  #searchBox {
    width: 100%;
  }

  .table-panel .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }
}