:root {
  color-scheme: light;
  --bg: #eef3f7;
  --card: #ffffff;
  --border: #d5dee7;
  --text: #17212b;
  --muted: #5e6b78;
  --accent: #1565c0;
  --accent-dark: #0d47a1;
  --danger: #b42318;
  --shadow: 0 2px 10px rgba(23, 33, 43, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  background: #102a43;
  color: white;
}

.topbar h1 { margin: 0 0 4px; font-size: clamp(1.3rem, 2.2vw, 2rem); }
.topbar p { margin: 0; opacity: 0.85; }
.privacy-badge {
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,0.35);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
}

main { padding: 16px; max-width: 1800px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); }

.cloud-toolbar {
  margin-bottom: 12px;
  padding: 14px;
  display: grid;
  gap: 12px;
}
.cloud-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.cloud-heading h2 {
  margin: 0 0 3px;
  font-size: 1.08rem;
}
.cloud-heading p {
  margin: 0;
  color: var(--muted);
}
.cloud-status {
  flex: 0 1 460px;
  padding: 7px 10px;
  border-radius: 8px;
  background: #f2f5f8;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.35;
  text-align: right;
}
.cloud-status.connected {
  background: #e8f6ee;
  color: #116133;
}
.cloud-status.syncing {
  background: #eef5ff;
  color: #1f4f85;
}
.cloud-status.error {
  background: #fde8e8;
  color: #9b1c1c;
}
.cloud-provider-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 10px;
}
.provider-button {
  min-height: 64px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 11px;
  text-align: left;
  background: #fff;
}
.provider-button:hover:not(:disabled) {
  border-color: #7994ae;
  background: #f7fafc;
}
.provider-button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(21, 101, 192, .13);
}
.provider-button span:last-child {
  display: grid;
  gap: 2px;
}
.provider-button small {
  color: var(--muted);
  font-size: .78rem;
}
.provider-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #fff;
  font-weight: 800;
}
.google-provider .provider-mark {
  background: conic-gradient(from -45deg, #4285f4 0 25%, #34a853 0 50%, #fbbc05 0 75%, #ea4335 0);
}
.sharepoint-provider .provider-mark {
  background: #03787c;
}
.sharepoint-settings {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto minmax(220px, 1fr);
  gap: 10px;
  align-items: end;
  padding: 11px;
  border-radius: 9px;
  background: #eef8f8;
  border: 1px solid #c8e2e1;
}
.sharepoint-settings[hidden] {
  display: none;
}
.sharepoint-settings label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: .8rem;
}
.sharepoint-settings input {
  width: 100%;
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid #aebdca;
  border-radius: 7px;
  background: #fff;
}
.sharepoint-settings span {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.35;
}
.cloud-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.cloud-actions .primary-button {
  font-weight: 650;
}
.auto-save-option {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: 4px;
  color: var(--muted);
  font-size: .86rem;
}
.cloud-setup-message {
  margin-left: auto;
  color: #8a5a00;
  font-size: .82rem;
}

.toolbar { padding: 14px; display: grid; gap: 12px; }
.upload-area {
  min-height: 78px;
  border: 2px dashed #9fb3c8;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  color: var(--muted);
  transition: border-color .15s, background .15s;
}
.upload-area.dragover { border-color: var(--accent); background: #e8f2ff; }
#photoInput { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.primary-button, button {
  border: 1px solid #aebdca;
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 9px 12px;
}
.primary-button { display: inline-block; background: var(--accent); border-color: var(--accent); color: white; cursor: pointer; font-weight: 650; }
.primary-button:hover { background: var(--accent-dark); }
button:hover:not(:disabled) { background: #f1f5f9; }
button.danger { color: var(--danger); }

.toolbar-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.options-row { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; color: var(--muted); }
.options-row label { display: flex; align-items: center; gap: 8px; }

.status { margin-top: 12px; padding: 11px 14px; display: flex; gap: 22px; flex-wrap: wrap; align-items: center; color: var(--muted); }
.status strong { color: var(--text); }
#progressText { margin-left: auto; }

.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 440px; gap: 12px; margin-top: 12px; }
#map { min-height: 640px; overflow: hidden; }
.side-panel { min-height: 640px; max-height: 78vh; display: flex; flex-direction: column; overflow: hidden; }
.panel-heading { padding: 12px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.panel-heading h2 { margin: 0; font-size: 1.1rem; }
.panel-heading input { width: 190px; padding: 8px; border: 1px solid var(--border); border-radius: 7px; }
.photo-list { overflow: auto; padding: 8px; }
.empty-state { padding: 34px 14px; text-align: center; color: var(--muted); }

.photo-card { display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 10px; padding: 9px; border: 1px solid var(--border); border-radius: 9px; margin-bottom: 8px; }
.photo-card:hover { border-color: #8ca6be; }
.thumb-button { border: 0; padding: 0; background: none; height: 92px; }
.thumb-button:hover:not(:disabled) { background: none; }
.thumbnail { width: 92px; height: 92px; object-fit: cover; border-radius: 7px; background: #e4e9ee; }
.photo-details { min-width: 0; }
.photo-name-row { display: flex; gap: 8px; align-items: start; }
.filename { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.remove-button { border: 0; padding: 0 5px; font-size: 1.3rem; line-height: 1; color: var(--danger); }
.metadata-line { font-size: .8rem; color: var(--muted); margin-top: 3px; overflow-wrap: anywhere; }
.edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 7px; }
.edit-grid label { font-size: .72rem; color: var(--muted); }
.edit-grid input, .edit-grid select { width: 100%; padding: 5px 6px; border: 1px solid var(--border); border-radius: 6px; margin-top: 2px; }
.status-text.warning { color: #9a6700; }
.status-text.good { color: #12733a; }

.notes { margin-top: 12px; padding: 14px; }
.notes h2 { margin: 0 0 8px; font-size: 1rem; }
.notes p { margin: 6px 0; color: var(--muted); }

.direction-marker { background: transparent; border: 0; }
.direction-arrow-wrap { width: 100%; height: 100%; display: grid; place-items: center; filter: drop-shadow(0 1px 1.5px rgba(0,0,0,.48)); }
.direction-arrow { width: 100%; height: 100%; transform-origin: 50% 50%; }
.unknown-direction-marker {
  border-radius: 50%; border: 3px solid #1267c4; background: white; box-shadow: 0 1px 3px rgba(0,0,0,.42);
}
/* Compact, scrollable photo pop-up. */
#map .leaflet-popup-pane { z-index: 1100; }
#map .leaflet-popup { max-width: calc(100vw - 36px); }
#map .leaflet-popup-content-wrapper {
  max-width: calc(100vw - 36px);
  border-radius: 10px;
}
#map .leaflet-popup-content {
  width: auto !important;
  margin: 10px 12px 12px;
}
#map .photo-popup-scroll {
  width: min(350px, calc(100vw - 78px));
  max-height: min(430px, calc(100vh - 190px));
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding-right: 3px;
}
#map .popup-title {
  display: block;
  padding-right: 22px;
  overflow-wrap: anywhere;
}
#map .popup-photo {
  width: 100%;
  height: auto;
  max-width: 100% !important;
  max-height: min(300px, 42vh) !important;
  object-fit: contain;
  display: block;
  border-radius: 6px;
  margin-top: 8px;
  background: #eef2f5;
}
.popup-meta { font-size: .86rem; color: #4c5965; line-height: 1.45; margin-top: 5px; }

@media (max-width: 980px) {
  .cloud-heading {
    align-items: stretch;
    flex-direction: column;
  }
  .cloud-status {
    flex-basis: auto;
    text-align: left;
  }
  .sharepoint-settings {
    grid-template-columns: 1fr auto;
  }
  .sharepoint-settings span {
    grid-column: 1 / -1;
  }
  .workspace { grid-template-columns: 1fr; }
  .side-panel { max-height: 620px; }
  #map { min-height: 55vh; }
  #progressText { margin-left: 0; width: 100%; }
}

@media (max-width: 560px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  main { padding: 8px; }
  .cloud-provider-row {
    grid-template-columns: 1fr;
  }
  .sharepoint-settings {
    grid-template-columns: 1fr;
  }
  .sharepoint-settings span {
    grid-column: auto;
  }
  .cloud-actions > button {
    flex: 1 1 auto;
  }
  .auto-save-option,
  .cloud-setup-message {
    width: 100%;
    margin-left: 0;
  }
  .photo-card { grid-template-columns: 72px minmax(0,1fr); }
  .thumbnail, .thumb-button { width: 72px; height: 72px; }
  .panel-heading { align-items: stretch; flex-direction: column; }
  .panel-heading input { width: 100%; }
}

/* Leaflet hardening: prevent global/site CSS from resizing map tiles or marker images. */
#map {
  position: relative;
  isolation: isolate;
  background: #d7e3ea;
}
#map .leaflet-tile,
#map .leaflet-marker-icon,
#map .leaflet-marker-shadow {
  max-width: none !important;
  max-height: none !important;
}
#map .leaflet-tile {
  width: 256px !important;
  height: 256px !important;
}
#map .leaflet-control-layers {
  font: inherit;
}

.map-status {
  padding: 4px 8px;
  border-radius: 999px;
  background: #eef5ff;
  color: #1f4f85;
  font-size: .84rem;
}
.map-status.warning {
  background: #fff4d6;
  color: #8a5a00;
}
.map-status.error {
  background: #fde8e8;
  color: #9b1c1c;
}

.direction-marker { overflow: visible !important; }
.direction-arrow-wrap {
  overflow: visible;
}
.direction-arrow-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform-origin: 50% 73%;
  transition: transform .12s ease, filter .12s ease;
}
.direction-marker:hover .direction-arrow-svg {
  transform: scale(1.14);
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.32));
}
.direction-arrow-shape {
  vector-effect: non-scaling-stroke;
}
.direction-arrow-svg.outlier {
  filter: drop-shadow(0 0 2px rgba(120, 43, 0, .55));
}
.unknown-direction-marker.outlier {
  border-color: #c2410c;
}
.photo-card.outlier {
  border-color: #d97706;
  background: #fffaf0;
}
.status-text.outlier {
  color: #9a4d00;
}

@media (max-width: 560px) {
  #map .photo-popup-scroll {
    width: min(300px, calc(100vw - 66px));
    max-height: min(360px, calc(100vh - 150px));
  }
  #map .popup-photo { max-height: 34vh !important; }
}

/* Construction drawing overlay controls and map layer. */
.drawing-toolbar {
  margin-top: 12px;
  padding: 14px;
  display: grid;
  gap: 11px;
}
.drawing-toolbar-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}
.drawing-toolbar-heading h2 {
  margin: 0 0 3px;
  font-size: 1.05rem;
}
.drawing-toolbar-heading p {
  margin: 0;
  color: var(--muted);
}
#drawingInput {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.drawing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.drawing-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: .9rem;
}
.drawing-options label {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.drawing-options input[type="range"] { width: 180px; }
.drawing-options output { min-width: 42px; color: var(--text); }
.drawing-status {
  max-width: 42%;
  padding: 5px 9px;
  border-radius: 999px;
  background: #f2f5f8;
  color: var(--muted);
  font-size: .84rem;
  overflow-wrap: anywhere;
  text-align: right;
}
.drawing-status.active {
  background: #fff5db;
  color: #7a4d00;
}

#map .construction-drawing-image {
  position: absolute;
  left: 0;
  top: 0;
  max-width: none !important;
  max-height: none !important;
  transform-origin: 0 0;
  transform-style: flat;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  will-change: transform, opacity;
}
#map .drawing-corner-marker {
  background: transparent;
  border: 0;
  overflow: visible !important;
}
#map .drawing-corner-marker span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 3px solid #ffffff;
  background: #f59e0b;
  color: #362100;
  box-shadow: 0 2px 7px rgba(0,0,0,.45);
  font-weight: 800;
  font-size: .7rem;
  letter-spacing: -.02em;
}
#map .drawing-corner-marker:hover span {
  transform: scale(1.12);
  background: #fbbf24;
}
#map .drawing-rotation-marker {
  background: transparent;
  border: 0;
  overflow: visible !important;
}
#map .drawing-rotation-marker span {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 3px solid #ffffff;
  background: #0f6cbd;
  color: #ffffff;
  box-shadow: 0 3px 9px rgba(0,0,0,.48);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
  cursor: grab;
  user-select: none;
  transition: transform .12s ease, background .12s ease;
}
#map .drawing-rotation-marker:hover span {
  transform: scale(1.1);
  background: #0b5aa0;
}
#map .drawing-rotation-marker.leaflet-drag-target span,
#map .drawing-rotation-marker:active span {
  cursor: grabbing;
}

#map .drawing-pan-marker {
  background: transparent;
  border: 0;
  overflow: visible !important;
}
#map .drawing-pan-marker .pan-disc {
  position: relative;
  width: 42px;
  height: 42px;
  display: block;
  border-radius: 50%;
  border: 3px solid #ffffff;
  background: #138a72;
  color: #ffffff;
  box-shadow: 0 3px 9px rgba(0,0,0,.48);
  cursor: grab;
  user-select: none;
  transition: transform .12s ease, background .12s ease;
}
#map .drawing-pan-marker .pan-disc i {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}
#map .drawing-pan-marker:hover .pan-disc {
  transform: scale(1.1);
  background: #0f735f;
}
#map .drawing-pan-marker.leaflet-drag-target .pan-disc,
#map .drawing-pan-marker:active .pan-disc {
  cursor: grabbing;
}
#rectifyDrawingButton:not(:disabled) {
  border-color: #c67a00;
  background: #fff8e7;
  color: #754700;
}

@media (max-width: 700px) {
  .drawing-toolbar-heading { flex-direction: column; gap: 8px; }
  .drawing-status { max-width: 100%; text-align: left; }
  .drawing-options { align-items: flex-start; flex-direction: column; gap: 8px; }
  .drawing-options label { width: 100%; }
  .drawing-options input[type="range"] { flex: 1; min-width: 100px; }
}

/* Version 8: dedicated uniform scale handle. */
#map .drawing-scale-marker {
  background: transparent;
  border: 0;
  overflow: visible !important;
}
#map .drawing-scale-marker span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  border: 3px solid #ffffff;
  background: #7c3aed;
  color: #ffffff;
  box-shadow: 0 3px 9px rgba(0,0,0,.48);
  font-size: 1.38rem;
  font-weight: 900;
  line-height: 1;
  cursor: nwse-resize;
  user-select: none;
  transition: transform .12s ease, background .12s ease;
}
#map .drawing-scale-marker:hover span {
  transform: scale(1.1);
  background: #6527c7;
}
#map .drawing-scale-marker.leaflet-drag-target span,
#map .drawing-scale-marker:active span {
  cursor: nwse-resize;
}