:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #697386;
  --panel: #ffffff;
  --line: #d8dee8;
  --river: #1478a8;
  --forest: #1f7a5a;
  --amber: #c97a15;
  --danger: #b83232;
  --paper: #f6f8fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Tahoma, "Noto Sans Thai", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.app-shell {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr) 420px;
}

/* ===== Report panel (executive briefing, left column) ===== */
.report-panel {
  background: #fff;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.62;
  color: var(--ink);
}

.report-body {
  padding: 28px 28px 36px;
}

/* Toggle bar — hidden on desktop, mobile-only */
.report-toggle {
  display: none;
}

.report-header {
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}

.report-header h1 {
  margin: 4px 0 6px;
  font-size: 1.65rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.report-subtitle {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.report-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.report-section {
  margin-bottom: 26px;
}

.report-section h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}

.report-section h2 .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}

.report-section p {
  margin: 0 0 10px;
}

.hl-danger {
  color: var(--danger);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0 4px;
}

.stat-row .stat {
  background: #f6f8fb;
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}

.stat-row .stat strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--ink);
}

.stat-row .stat span {
  display: block;
  margin-top: 4px;
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.3;
}

.callout {
  margin: 12px 0 4px;
  padding: 12px 14px;
  border-left: 3px solid var(--river);
  background: #f0f7fb;
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  color: var(--ink);
}

.callout-info {
  border-color: var(--river);
  background: #f0f7fb;
}

.risk-card {
  margin: 10px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfe;
}

.risk-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.risk-head strong { flex: 1; }

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

.risk-count {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.risk-high { border-color: rgba(184, 50, 50, 0.35); background: #fdf3f3; }
.risk-high .risk-dot { background: var(--danger); }
.risk-med { border-color: rgba(201, 122, 21, 0.35); background: #fdf6ec; }
.risk-med .risk-dot { background: var(--amber); }
.risk-low { border-color: rgba(31, 122, 90, 0.35); background: #f1f8f4; }
.risk-low .risk-dot { background: var(--forest); }

.risk-card p {
  margin: 0 0 6px;
  font-size: 0.88rem;
}

.risk-sub {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 6px !important;
}

.risk-list {
  margin: 4px 0 0;
  padding-left: 18px;
  font-size: 0.85rem;
}

.risk-list li { margin-bottom: 2px; }

.reco-list {
  margin: 0;
  padding-left: 22px;
}

.reco-list li {
  margin-bottom: 10px;
  padding-left: 4px;
}

.report-footer {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.5;
}

.report-footer p { margin: 0; }

.map-stage {
  position: relative;
}

#map {
  height: 100vh;
}

.map-title,
.legend,
.parameter-bar {
  position: absolute;
  z-index: 500;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(216, 222, 232, 0.9);
  box-shadow: 0 14px 40px rgba(23, 32, 42, 0.12);
}

.parameter-bar {
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 12px;
  max-width: min(700px, calc(100% - 500px));
}

.parameter-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.parameter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.param-chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.param-chip:hover {
  border-color: var(--river);
}

.param-chip.is-active {
  background: var(--river);
  border-color: var(--river);
  color: #fff;
}

.map-title {
  top: 24px;
  left: 24px;
  max-width: 420px;
  padding: 18px 20px;
}

.map-title p,
.eyebrow {
  margin: 0 0 4px;
  color: var(--river);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.map-title h1,
.control-panel h2,
.selected-card h3,
.section-heading h3 {
  margin: 0;
  line-height: 1.2;
}

.map-title h1 {
  font-size: clamp(1.45rem, 2.4vw, 2.4rem);
}

.legend {
  left: 24px;
  bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 12px;
  font-size: 0.86rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot-pass {
  background: var(--forest);
}

.dot-exceed {
  background: var(--danger);
}

.dot-reported {
  background: var(--muted);
}

.river-swatch {
  position: relative;
  width: 36px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
  overflow: hidden;
}

.river-swatch::before {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0.45;
  border-radius: inherit;
}

.river-swatch::after {
  content: "";
  position: absolute;
  inset: 1px 0;
  background-image: linear-gradient(
    90deg,
    transparent 0 6px,
    currentColor 6px 14px,
    transparent 14px 24px
  );
  background-size: 24px 100%;
  background-repeat: repeat-x;
  border-radius: inherit;
  animation: river-swatch-flow 1.6s linear infinite;
}

@keyframes river-swatch-flow {
  from { background-position: 0 0; }
  to { background-position: -24px 0; }
}

.river-kok { color: #2563eb; }
.river-mae-lao { color: #0d9488; }
.river-mekong { color: #1e3a8a; }
.river-ruak { color: #7c3aed; }
.river-sai { color: #0891b2; }

.control-panel {
  z-index: 600;
  background: var(--panel);
  border-left: 1px solid var(--line);
  padding: 22px;
  overflow-y: auto;
  height: 100vh;
}

.source-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}

.metrics article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fbfcfe;
}

.metrics strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
}

.metrics span {
  color: var(--muted);
  font-size: 0.78rem;
}

.filters {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  min-height: 42px;
  padding: 8px 10px;
}

.round-control {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.round-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.round-header strong {
  color: var(--river);
  font-size: 1.05rem;
  margin-left: 4px;
}

.round-date {
  font-weight: 500;
  color: var(--ink);
  font-size: 0.84rem;
  text-align: right;
}

#roundSlider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--river) 0%, var(--river) var(--slider-pct, 100%), var(--line) var(--slider-pct, 100%), var(--line) 100%);
  outline: none;
  min-height: 0;
  padding: 0;
  border: 0;
  margin: 4px 0;
}

#roundSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--river);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(20, 120, 168, 0.3);
}

#roundSlider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--river);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(20, 120, 168, 0.3);
}

.round-ticks {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.74rem;
}

.round-source-inline {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.78rem;
}

.selected-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  margin: 16px 0 18px;
  background: #fbfcfe;
}

.selected-body {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 24px;
  border-radius: 999px;
  padding: 2px 8px;
  color: #fff;
  font-size: 0.75rem;
}

.status-pass {
  background: var(--forest);
}

.status-exceed,
.status-fail {
  background: var(--danger);
}

.status-reported {
  background: var(--muted);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-heading span {
  color: var(--muted);
  font-size: 0.84rem;
}

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

.site-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 11px 12px;
  cursor: pointer;
}

.site-item:hover,
.site-item:focus-visible {
  border-color: var(--river);
  outline: none;
}

.site-item strong {
  display: block;
  margin-bottom: 2px;
}

.site-item span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.leaflet-popup-content {
  min-width: 220px;
  font-family: Tahoma, "Noto Sans Thai", Arial, sans-serif;
}

.popup-title {
  margin: 0 0 6px;
  font-weight: 700;
}

.leaflet-tile-loaded {
  opacity: 1 !important;
}

.factory-icon {
  background: transparent;
  border: 0;
  pointer-events: auto;
}

.factory-marker {
  display: block;
  width: 28px;
  height: 28px;
  background: #fff;
  border: 2px solid var(--c, #697386);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(23, 32, 42, 0.25);
  padding: 2px;
  box-sizing: border-box;
  transition: transform 0.15s;
}

.factory-marker:hover {
  transform: scale(1.15);
}

.factory-marker svg {
  width: 100%;
  height: 100%;
  fill: var(--c, #697386);
}

.kf-marker {
  width: 24px;
  height: 24px;
  background: #fff;
  border: 2px solid #d97706;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(23, 32, 42, 0.25);
  padding: 2px;
  box-sizing: border-box;
  transition: transform 0.15s;
}

.kf-marker:hover {
  transform: scale(1.15);
}

.kf-marker svg {
  width: 100%;
  height: 100%;
  fill: #d97706;
}

.kf-legend {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: #fff;
  border: 2px solid #d97706;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 4px;
  position: relative;
  top: -1px;
}

.river-flow-line {
  animation: river-flow 1.6s linear infinite;
}

@keyframes river-flow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -56; }
}

.river-flow-exceed {
  animation: river-flow 1.1s linear infinite;
  filter: drop-shadow(0 0 4px rgba(184, 50, 50, 0.55));
}

/* Below 1280px: switch to 2-column layout + collapsible report overlay */
@media (max-width: 1280px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr) 420px;
  }

  /* Report becomes a fixed collapsible bar at top-left of map */
  .report-panel {
    position: fixed;
    top: 12px;
    left: 12px;
    width: 360px;
    max-width: calc(100vw - 24px);
    height: auto;
    max-height: calc(100vh - 24px);
    overflow: hidden;
    z-index: 700;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 14px 40px rgba(23, 32, 42, 0.16);
    background: #fff;
  }

  .report-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    border: 0;
    background: #fff;
    color: var(--ink);
    text-align: left;
    padding: 12px 14px;
    font: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    border-radius: 12px;
  }

  .report-toggle-icon { font-size: 1rem; flex-shrink: 0; }
  .report-toggle-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .report-toggle-caret { color: var(--muted); transition: transform 0.2s; }
  .report-panel.is-open .report-toggle-caret { transform: rotate(180deg); }

  .report-body {
    display: none;
    overflow-y: auto;
    padding: 4px 22px 26px;
    border-top: 1px solid var(--line);
  }

  .report-panel.is-open .report-body { display: block; }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
  }

  /* Report becomes a collapsible bar floating above the map */
  .report-panel {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 12px;
    left: 12px;
    right: 12px;
    z-index: 700;
    height: auto;
    max-height: calc(100vh - 24px);
    overflow: hidden;
    border-right: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 14px 40px rgba(23, 32, 42, 0.16);
    background: #fff;
  }

  .report-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    border: 0;
    background: #fff;
    color: var(--ink);
    text-align: left;
    padding: 12px 14px;
    font: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    border-radius: 12px;
  }

  .report-toggle-icon {
    font-size: 1rem;
    flex-shrink: 0;
  }

  .report-toggle-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .report-toggle-caret {
    color: var(--muted);
    transition: transform 0.2s;
  }

  .report-panel.is-open .report-toggle-caret {
    transform: rotate(180deg);
  }

  /* Hide body by default on mobile; show when open */
  .report-body {
    display: none;
    overflow-y: auto;
    padding: 4px 18px 24px;
    border-top: 1px solid var(--line);
  }

  .report-panel.is-open .report-body {
    display: block;
  }

  /* Push parameter bar down so the toggle doesn't overlap it */
  .parameter-bar {
    top: 64px;
  }

  .report-header h1 { font-size: 1.35rem; }
  .stat-row .stat strong { font-size: 1.15rem; }

  .map-stage {
    height: calc(100vh - 80px);
    min-height: 520px;
  }

  /* Round slider becomes a floating overlay at the bottom of the map */
  .round-control-floating {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    z-index: 550;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(216, 222, 232, 0.9);
    border-radius: 10px;
    padding: 6px 12px 4px;
    margin: 0;
    box-shadow: 0 10px 30px rgba(23, 32, 42, 0.16);
    gap: 2px;
  }

  .round-control-floating .round-header {
    font-size: 0.78rem;
    align-items: center;
  }

  .round-control-floating .round-source-inline {
    font-size: 0.72rem;
  }

  .round-control-floating #roundSlider {
    margin: 2px 0;
    height: 4px;
  }

  .round-control-floating .round-ticks {
    display: none;
  }

  /* Shrink the bottom control panel; hide its long header (title + citation) */
  .control-panel {
    padding: 14px 16px 20px;
  }

  .control-panel header {
    display: none;
  }

  .source-note {
    display: none;
  }

  .filters {
    margin-bottom: 10px;
  }

  .selected-card {
    margin: 8px 0 10px;
    padding: 12px;
  }

  #map {
    height: 100%;
  }

  .control-panel {
    height: auto;
    max-height: none;
    border-left: 0;
    border-top: 1px solid var(--line);
    overflow: visible;
  }

  /* Parameter bar: full width chip row, scrollable. top is set by 1280px rule (=64px) */
  .parameter-bar {
    left: 12px;
    right: 12px;
    transform: none;
    max-width: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 12px;
  }

  .parameter-label {
    font-size: 0.72rem;
  }

  .parameter-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    margin: 0 -4px;
    padding: 2px 4px;
    -webkit-overflow-scrolling: touch;
  }

  .param-chip {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 0.86rem;
    padding: 8px 14px;
  }

  /* Legend: compact pills row, sits above the round slider */
  .legend {
    left: 12px;
    right: 12px;
    bottom: 92px;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.74rem;
    overflow-x: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .legend span {
    flex: 0 0 auto;
  }
}

@media (max-width: 560px) {
  .control-panel {
    padding: 16px;
  }

  .control-panel header h2 {
    font-size: 1.25rem;
  }

  .source-note {
    font-size: 0.82rem;
  }

  .parameter-bar {
    padding: 8px 10px;
  }

  .round-header {
    flex-wrap: wrap;
  }

  .round-date {
    text-align: left;
    flex-basis: 100%;
  }

  .selected-card {
    padding: 12px;
  }

  .result-grid {
    font-size: 0.86rem;
  }

  .status-pill {
    font-size: 0.7rem;
  }
}

/* Larger touch targets on touch devices */
@media (hover: none) and (pointer: coarse) {
  .param-chip,
  .site-item {
    min-height: 44px;
  }

  #roundSlider::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  #roundSlider::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }
}