:root {
  color-scheme: light;
  --bg: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #eef4f1;
  --line: #ccd8d2;
  --text: #17211d;
  --muted: #596861;
  --accent: #0b6b57;
  --accent-2: #8a4d16;
  --danger: #a7342b;
  --shadow: 0 8px 24px rgba(23, 33, 29, 0.08);
  --ctrl-width: 48px;
  --panel-width: minmax(300px, 380px);
}

* {
  box-sizing: border-box;
}

html,
body,
.viewer-shell {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

button:hover,
button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

/* ---- Layout grid ---- */

.viewer-shell {
  display: grid;
  grid-template-columns: var(--ctrl-width) 0px minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 0.2s ease;
}

.viewer-shell.panel-open {
  grid-template-columns: var(--ctrl-width) var(--panel-width) minmax(0, 1fr);
}

.viewer-shell.control-strip-hidden,
.viewer-shell.control-strip-hidden.panel-open {
  grid-template-columns: 0px 0px minmax(0, 1fr);
}

/* ---- Control strip ---- */

.control-strip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  border-right: 1px solid var(--line);
  background: var(--surface);
  z-index: 10;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
}

.ctrl-btn[hidden],
.control-strip[hidden],
.sidebar-panels[hidden],
.bottom-panels[hidden],
.bottom-toggle-bar[hidden],
.bottom-panels-content[hidden],
.record-panel[hidden] {
  display: none !important;
}

.ctrl-btn:hover,
.ctrl-btn:focus-visible {
  background: var(--surface-2);
  border-color: var(--line);
  outline: none;
}

.ctrl-btn.active {
  background: var(--surface-2);
  border-color: var(--accent);
}

.ctrl-btn img {
  display: block;
  opacity: 0.65;
  transition: opacity 0.15s;
}

.ctrl-btn:hover img,
.ctrl-btn.active img {
  opacity: 1;
}

/* ---- Sidebar panels ---- */

.sidebar-panels {
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.sidebar-panel {
  overflow-y: auto;
  height: 100%;
}

.sidebar-panel[hidden] {
  display: none;
}

/* ---- Shared panel chrome ---- */

.app-header,
.panel {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.app-header h1,
.panel h2,
.record-panel h2 {
  margin: 0;
  letter-spacing: 0;
}

.app-header h1 {
  margin-top: 4px;
  font-size: 22px;
  line-height: 1.2;
}

.panel h2,
.record-panel h2 {
  font-size: 15px;
}

.eyebrow,
.status-line {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ---- Metric grid (Counts) ---- */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 0;
}

.metric-grid div,
.artifact,
.filter-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-grid div {
  padding: 10px;
}

.metric-grid dt,
.metadata-list dt {
  color: var(--muted);
  font-size: 12px;
}

.metric-grid dd,
.metadata-list dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
}

/* ---- Metadata / provenance ---- */

.metadata-list {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
}

.metadata-list a {
  color: var(--accent);
}

/* ---- Filters ---- */

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

.filter-group {
  padding: 10px;
}

.filter-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.filter-group input[type="search"],
.filter-group input[type="number"],
.filter-group select {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
}

.checkbox-stack {
  display: grid;
  gap: 6px;
  max-height: 130px;
  overflow: auto;
}

.checkbox-stack label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text);
}

/* ---- Artifacts / Download ---- */

.artifact-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.artifact {
  padding: 10px;
}

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

.artifact-row a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.artifact-row a:hover,
.artifact-row a:focus-visible {
  text-decoration: underline;
}

.copy-url-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.copy-url-btn:hover,
.copy-url-btn:focus-visible {
  border-color: var(--accent);
  background: var(--surface-2);
  outline: none;
}

.copy-url-btn img {
  display: block;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.copy-url-btn:hover img {
  opacity: 1;
}

.copy-url-btn.copied {
  border-color: var(--accent);
  background: #e6f4ef;
}

.artifact p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* ---- Sidebar record list ---- */

#sidebar-record-list {
  margin-top: 12px;
}

.record-list {
  display: grid;
  gap: 6px;
  max-height: none;
  overflow: auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

.record-list button {
  width: 100%;
  min-height: 38px;
  padding: 8px;
  text-align: left;
  overflow-wrap: anywhere;
}

.record-list button[aria-current="true"] {
  border-color: var(--accent);
  box-shadow: inset 4px 0 0 var(--accent);
}

/* ---- Workspace ---- */

.workspace {
  display: grid;
  grid-template-rows: auto minmax(360px, 1fr) auto;
  min-width: 0;
  min-height: 100vh;
}

.map-title-header {
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.map-title-header[hidden] {
  display: none;
}

.map-title-header h1 {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 20px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.map-title-header h1[hidden] {
  display: none;
}

.app-description-button {
  margin-right: 6px;
  margin-left: auto;
  flex-shrink: 0;
  padding: 6px 10px;
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.app-description-button:hover,
.app-description-button:focus-visible {
  background: #e6f4ef;
}

.map-wrap {
  grid-row: 2;
  position: relative;
  min-height: 360px;
  background: #dce8e3;
}

.map {
  position: absolute;
  inset: 0;
}

.empty-state {
  position: absolute;
  inset: 16px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

/* ---- Bottom panels ---- */

.bottom-panels {
  grid-row: 3;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.bottom-toggle-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  user-select: none;
}

.bottom-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  min-height: 26px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.bottom-toggle-btn:hover,
.bottom-toggle-btn:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.toggle-icon {
  display: inline-block;
  font-size: 10px;
  line-height: 1;
}

.bottom-panels-content {
  transition: max-height 0.25s ease, opacity 0.25s ease;
  max-height: 800px;
  overflow: hidden;
  opacity: 1;
}

.bottom-panels.collapsed .bottom-panels-content {
  max-height: 0;
  opacity: 0;
}

.bottom-panels.collapsed .bottom-toggle-bar {
  border-bottom: 0;
}

.record-panel {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 16px;
}

#feature-details {
  max-height: 300px;
  overflow-y: auto;
}

/* ---- Processing ---- */

.processing-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.notice,
.warning {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--surface-2);
}

.warning {
  border-color: #d8aa72;
  background: #fff7ed;
}

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

/* ---- Point Info Popup ---- */

.map-point-popup .maplibregl-popup-content {
  padding: 10px 12px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  font-size: 13px;
  line-height: 1.4;
  background: var(--surface);
  border: 1px solid var(--line);
}

.map-point-popup .maplibregl-popup-close-button {
  font-size: 18px;
  color: var(--muted);
  top: 4px;
  right: 6px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  border-radius: 50%;
}

.map-point-popup .maplibregl-popup-close-button:hover {
  background: var(--surface-2);
  color: var(--text);
}

.map-point-popup .maplibregl-popup-tip {
  border-top-color: var(--surface);
}

.popup-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.popup-scroll {
  max-height: 260px;
  overflow-y: auto;
  padding-right: 4px;
}

.popup-dl {
  display: grid;
  gap: 4px;
  margin: 0;
}

.popup-dl dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.popup-dl dd {
  margin: 0 0 6px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
}

.popup-dl dd:last-child {
  margin-bottom: 0;
}

.popup-empty {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
}

/* ---- App Description Modal ---- */

.app-description-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(23, 33, 29, 0.48);
}

.app-description-modal[hidden] {
  display: none;
}

.app-description-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(860px, 100%);
  max-height: min(82vh, 760px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.app-description-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.app-description-modal-header h2 {
  margin: 0;
  font-size: 17px;
  line-height: 1.25;
  letter-spacing: 0;
}

.app-description-close {
  flex-shrink: 0;
  padding: 6px 10px;
}

.app-description-content {
  min-height: 0;
  overflow: auto;
  padding: 18px;
}

.app-description-content > :first-child {
  margin-top: 0;
}

.app-description-content > :last-child {
  margin-bottom: 0;
}

.app-description-content h2,
.app-description-content h3,
.app-description-content h4 {
  margin: 18px 0 8px;
  line-height: 1.25;
  letter-spacing: 0;
}

.app-description-content h2 {
  font-size: 20px;
}

.app-description-content h3 {
  font-size: 17px;
}

.app-description-content h4 {
  font-size: 15px;
}

.app-description-content p,
.app-description-content ol,
.app-description-content ul,
.app-description-content table,
.app-description-content center {
  margin: 0 0 12px;
}

.app-description-content a {
  color: var(--accent);
}

.app-description-content img,
.app-description-content iframe,
.app-description-content table {
  max-width: 100%;
}

.app-description-content img {
  height: auto;
}

.app-description-content iframe {
  display: block;
  width: 100%;
  min-height: 240px;
  border: 1px solid var(--line);
}

.app-description-content table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
}

.app-description-content td {
  border: 1px solid var(--line);
  padding: 6px 8px;
  vertical-align: top;
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .viewer-shell {
    grid-template-columns: var(--ctrl-width) 0px minmax(0, 1fr);
  }

  .viewer-shell.panel-open {
    grid-template-columns: var(--ctrl-width) minmax(260px, 340px) minmax(0, 1fr);
  }

  .viewer-shell.control-strip-hidden,
  .viewer-shell.control-strip-hidden.panel-open {
    grid-template-columns: 0px 0px minmax(0, 1fr);
  }

  .workspace {
    min-height: auto;
  }

  .map-title-header {
    min-height: 48px;
    padding: 10px 14px;
    gap: 10px;
  }

  .map-title-header h1 {
    font-size: 17px;
  }

  .app-description-button {
    padding: 5px 8px;
  }

  .map-point-popup {
    max-width: 260px !important;
  }
}

@media (max-width: 480px) {
  .map-point-popup {
    max-width: 220px !important;
  }

  .map-title-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-description-button {
    align-self: flex-end;
  }

  .app-description-modal {
    padding: 12px;
  }

  .app-description-panel {
    max-height: 88vh;
  }

  .popup-dl dt {
    font-size: 10px;
  }

  .popup-dl dd {
    font-size: 12px;
  }
}