:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page-bg: #07110e;
  --page-glow: #173d31;
  --surface: #10251f;
  --surface-raised: #17332a;
  --surface-soft: #1d3d32;
  --map-bg: #09120f;
  --text: #f5fff9;
  --muted: #b8d2c5;
  --accent: #8ef0b4;
  --accent-ink: #062014;
  --border: #426658;
  --focus: #ffd166;
  --warning: #ffd166;
  --danger: #ff8f8f;
  --success: #8ef0b4;
  --shadow: 0 18px 44px rgb(0 0 0 / 32%);
}

:root[data-theme="dark"] {
  --page-bg: #090c12;
  --page-glow: #222b3a;
  --surface: #141a24;
  --surface-raised: #1d2532;
  --surface-soft: #242e3d;
  --map-bg: #07090d;
  --text: #f6f8fb;
  --muted: #bac3d0;
  --accent: #84c7ff;
  --accent-ink: #061624;
  --border: #465368;
  --focus: #ffd166;
}

:root[data-theme="light"] {
  color-scheme: light;
  --page-bg: #eef3f0;
  --page-glow: #cfe1d7;
  --surface: #ffffff;
  --surface-raised: #f7faf8;
  --surface-soft: #e7efeb;
  --map-bg: #1b2521;
  --text: #14211b;
  --muted: #4d6258;
  --accent: #176b46;
  --accent-ink: #ffffff;
  --border: #afc1b7;
  --focus: #8a4b00;
  --warning: #8a4b00;
  --danger: #9b1c1c;
  --success: #0b6b3a;
  --shadow: 0 18px 44px rgb(33 56 45 / 14%);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--page-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 50% -12rem, var(--page-glow), var(--page-bg) 38rem);
  color: var(--text);
}

button,
select,
input,
textarea {
  min-height: 48px;
  font: inherit;
}

button,
select,
input,
textarea,
.app-header,
.status-panel,
.capture-panel,
.tracking-panel,
.map-panel,
.summary-card,
.export-panel,
.energy-placeholder,
.install-panel {
  border: 1px solid var(--border);
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible,
.skip-link:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

button {
  border-radius: 0.85rem;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border-radius: 0.75rem;
  padding: 0.75rem;
  background: var(--surface-raised);
  color: var(--text);
}

textarea {
  min-height: 5rem;
  resize: vertical;
}

button:disabled {
  background: var(--surface-soft);
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.78;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.65rem, 7vw, 2.5rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
}

p {
  color: var(--muted);
  line-height: 1.5;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.75rem 1rem;
  transform: translateY(-150%);
  border-radius: 0.5rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-header,
.app-shell,
.app-footer {
  width: min(100% - 1.25rem, 72rem);
  margin-inline: auto;
}

.app-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: max(0.625rem, env(safe-area-inset-top));
  padding: 1rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
}

.eyebrow,
.section-kicker {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.phase-label {
  margin-bottom: 0;
  font-size: 0.85rem;
}

.theme-control {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.theme-control select {
  width: 100%;
  border-radius: 0.75rem;
  padding-inline: 0.75rem;
  background: var(--surface-raised);
  color: var(--text);
}

.app-shell {
  display: grid;
  gap: 0.75rem;
  padding-block: 0.75rem;
}

.status-panel,
.capture-panel,
.tracking-panel,
.map-panel,
.summary-card,
.export-panel,
.energy-placeholder,
.install-panel {
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.status-panel,
.capture-panel,
.tracking-panel,
.map-panel,
.export-panel,
.energy-placeholder,
.install-panel {
  padding: 1rem;
}

.status-panel {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.status-panel > button {
  width: 100%;
}

.status-value {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 850;
}

.status-symbol {
  color: var(--warning);
  font-size: 1.65rem;
  line-height: 1;
}

.status-panel[data-gps-state="READY"] .status-symbol,
.status-panel[data-gps-state="SAVED"] .status-symbol {
  color: var(--success);
}

.status-panel[data-gps-state="ERROR"] .status-symbol,
.status-panel[data-gps-state="UNSUPPORTED"] .status-symbol {
  color: var(--danger);
}

.position-details {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.position-details div {
  min-width: 0;
  border-radius: 0.7rem;
  padding: 0.7rem;
  background: var(--surface-raised);
}

.position-details dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.position-details dd {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.status-note,
.help-text,
.summary-card p,
.export-panel p,
.energy-placeholder p,
.install-panel p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.capture-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.project-controls,
.point-fields {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

.project-controls > label,
.point-fields > label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.point-fields label span {
  font-weight: 500;
}

.project-controls select {
  width: 100%;
  border-radius: 0.75rem;
  padding-inline: 0.75rem;
  background: var(--surface-raised);
  color: var(--text);
}

.inline-form {
  display: grid;
  gap: 0.55rem;
}

.override-control {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-block: 1rem;
  border: 1px solid var(--warning);
  border-radius: 0.75rem;
  padding: 0.8rem;
  color: var(--text);
}

.override-control input {
  width: 1.25rem;
  min-height: 1.25rem;
  margin: 0;
  accent-color: var(--warning);
}

.state-badge[data-level="excellent"],
.state-badge[data-level="good"] {
  border-color: var(--success);
  color: var(--success);
}

.state-badge[data-level="poor"] {
  border-color: var(--danger);
  color: var(--danger);
}

.tracking-panel {
  border-color: var(--accent);
}

.tracking-panel[data-line-state="PAUSED"],
.tracking-panel[data-line-state="INTERRUPTED"],
.tracking-panel[data-average-state="REVIEW"] {
  border-color: var(--warning);
}

.tracking-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.tracking-metrics div {
  min-width: 0;
  border-radius: 0.7rem;
  padding: 0.75rem;
  background: var(--surface-raised);
}

.tracking-metrics dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

.tracking-metrics dd {
  margin: 0.3rem 0 0;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
  font-weight: 850;
}

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

.vertex-list {
  display: grid;
  max-height: 10rem;
  gap: 0.35rem;
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.65rem 0.65rem 2.25rem;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  background: var(--surface-raised);
  color: var(--muted);
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.vertex-list:empty {
  display: none;
}

.tracking-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.tracking-actions button {
  flex: 1 1 9rem;
}

.tracking-actions .danger-button {
  margin-inline-start: 0.4rem;
}

.secondary-button {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

.danger-button {
  border-color: var(--danger);
  background: transparent;
  color: var(--danger);
}

.compact-button {
  min-height: 48px;
  padding: 0.65rem 0.75rem;
  font-size: 0.8rem;
}

.confirmation-panel {
  margin-top: 1rem;
  border: 1px solid var(--danger);
  border-radius: 0.75rem;
  padding: 0.85rem;
  background: var(--surface-raised);
}

.confirmation-panel p {
  margin-bottom: 0;
}

.help-text {
  margin-top: 0.75rem;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
}

.state-badge {
  border: 1px solid var(--warning);
  border-radius: 999px;
  padding: 0.3rem 0.55rem;
  color: var(--warning);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.map-viewport {
  margin-top: 0.85rem;
}

.map-surface {
  min-height: 21rem;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background-color: var(--map-bg);
  background-image:
    linear-gradient(rgb(255 255 255 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  color: #f5fff9;
}

.map-status {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.map-inspection {
  margin-top: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.8rem;
  background: var(--surface-raised);
}

.map-inspection p:last-child {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.leaflet-container {
  background: var(--map-bg);
  font-family: inherit;
}

.leaflet-control-zoom a,
.leaflet-control-attribution {
  border-color: var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  color: var(--text);
}

.leaflet-control-attribution {
  font-size: 0.75rem;
}

.leaflet-control-zoom a:hover,
.leaflet-control-zoom a:focus {
  background: var(--surface-soft);
  color: var(--text);
}

.leaflet-control-attribution a {
  color: var(--accent);
  font-weight: 800;
}

.map-symbol-wrapper {
  display: grid;
  place-items: center;
  background: transparent;
}

.saved-point-symbol,
.current-location-symbol {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 3px solid #061624;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgb(0 0 0 / 58%);
  font-size: 1rem;
  font-weight: 950;
  line-height: 1;
}

.saved-point-symbol {
  background: #8ef0b4;
  color: #061624;
}

.current-location-symbol {
  background: #64d8ff;
  color: #061624;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.summary-card {
  padding: 1rem;
}

.summary-card h2 {
  margin-bottom: 0.35rem;
}

.measurement-card {
  grid-column: 1 / -1;
}

.measurement-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.measurement-list li {
  display: grid;
  gap: 0.2rem;
  border-radius: 0.7rem;
  padding: 0.75rem;
  background: var(--surface-raised);
  font-variant-numeric: tabular-nums;
}

.measurement-list span,
.measurement-empty {
  color: var(--muted);
  font-size: 0.88rem;
}

.measurement-list .measurement-warning {
  color: var(--warning);
  font-weight: 800;
}

.transfer-grid {
  display: grid;
  gap: 0.75rem;
}

.import-panel {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.transfer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.transfer-actions button,
.file-button {
  flex: 1 1 12rem;
}

.file-button {
  display: grid;
  min-height: 48px;
  margin-top: 0.8rem;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 0.75rem 1rem;
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.file-button:focus-within {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.import-preview {
  margin-top: 0.9rem;
  border-top: 1px solid var(--border);
  padding-top: 0.9rem;
}

.import-counts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.import-counts div {
  border-radius: 0.65rem;
  padding: 0.65rem;
  background: var(--surface-raised);
}

.import-counts dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.import-counts dd {
  margin: 0.25rem 0 0;
  font-variant-numeric: tabular-nums;
  font-weight: 850;
}

.average-review {
  margin-top: 0.85rem;
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
}

.average-review > p {
  margin-bottom: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.power-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  color: var(--text);
  font-weight: 800;
}

.power-control input {
  width: 1.35rem;
  min-height: 1.35rem;
  margin: 0;
  accent-color: var(--accent);
}

.privacy-note {
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
}

.privacy-note strong {
  color: var(--text);
}

.privacy-note p + p {
  margin-top: 0.45rem;
}

.energy-placeholder {
  display: grid;
  gap: 0.8rem;
}

.export-panel,
.install-panel {
  display: grid;
  gap: 1rem;
}

.export-panel button,
.install-panel button {
  width: 100%;
}

.app-footer {
  padding: 0.5rem 1rem max(1.5rem, env(safe-area-inset-bottom));
  text-align: center;
}

.app-footer p {
  margin-bottom: 0;
  font-size: 0.78rem;
}

@media (min-width: 42rem) {
  .app-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
  }

  .theme-control {
    min-width: 13rem;
  }

  .status-panel,
  .export-panel,
  .install-panel {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .status-panel > button {
    width: auto;
    min-width: 12rem;
  }

  .inline-form {
    grid-template-columns: 1fr auto;
  }

  .capture-actions {
    grid-template-columns: repeat(2, 1fr);
  }

  .tracking-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .average-metrics {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

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

  .transfer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .export-panel button,
  .install-panel button {
    width: auto;
    min-width: 12rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}
/* F16-UX: QGIS helper, expanded map and read-only reference projects */

.qgis-import-helper,
.reference-projects-panel {
  margin-block: 0.75rem;
  border: 1px solid var(--border-color, currentColor);
  border-radius: 0.65rem;
  padding: 0.7rem 0.85rem;
}

.qgis-import-helper summary,
.reference-projects-panel summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
}

.qgis-import-helper ol {
  padding-inline-start: 1.4rem;
}

.qgis-import-helper p,
.qgis-import-helper li,
.reference-projects-panel p {
  line-height: 1.5;
}

.reference-project-list {
  display: grid;
  gap: 0.45rem;
  margin-block: 0.65rem;
}

.reference-project-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.55rem;
  border: 1px dashed currentColor;
  border-radius: 0.5rem;
}

.reference-project-option input {
  inline-size: 1.25rem;
  block-size: 1.25rem;
  flex: 0 0 auto;
}

.reference-project-empty {
  margin: 0;
}

.reference-point-symbol {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px dashed currentColor;
  border-radius: 50%;
  background: var(--surface-color, rgba(0, 0, 0, 0.7));
  font-size: 1.35rem;
  font-weight: 800;
}

body.map-expanded {
  overflow: hidden;
}

.map-panel.map-panel--expanded {
  position: fixed;
  inset: 0.5rem;
  z-index: 1000;
  margin: 0;
  max-width: none;
  display: flex;
  flex-direction: column;
  overflow: auto;
  box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.72);
}

.map-panel--expanded .map-viewport {
  flex: 1 1 auto;
  min-height: 55vh;
}

.map-panel--expanded .map-surface {
  min-height: 55vh;
  height: calc(100vh - 15rem);
}

.map-panel--expanded .section-actions {
  position: sticky;
  top: 0;
  z-index: 2;
}

@media (max-width: 41.99rem) {
  .map-panel.map-panel--expanded {
    inset: 0;
    border-radius: 0;
  }

  .map-panel--expanded .map-surface {
    min-height: 60vh;
    height: calc(100vh - 13rem);
  }
}

/* F16-UX UX-03A/03B: reference colors and ordering */

.reference-project-option {
  display: grid;
  gap: 0.55rem;
}

.reference-project-primary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.5rem;
}

.reference-project-name {
  font-weight: 700;
}

.reference-project-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.65rem;
  padding-inline-start: 1.9rem;
}

.reference-color-control {
  display: grid;
  grid-template-columns: auto minmax(7rem, 1fr) auto;
  align-items: center;
  gap: 0.45rem;
}

.reference-color-control select {
  min-height: 2.5rem;
}

.reference-color-swatch {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.3rem;
  border: 2px dashed currentColor;
  background: var(--reference-swatch-color);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.reference-order-controls {
  display: flex;
  gap: 0.4rem;
}

.reference-order-controls button {
  min-height: 2.5rem;
}

@media (max-width: 41.99rem) {
  .reference-project-controls {
    padding-inline-start: 0;
  }

  .reference-color-control {
    width: 100%;
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .reference-order-controls {
    width: 100%;
  }

  .reference-order-controls button {
    flex: 1 1 0;
  }
}

/* F16-UX UX-03D: active project color */

.active-project-color-control {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.8rem;
  font-weight: 700;
}

.active-project-color-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.active-project-color-row select {
  min-height: 2.6rem;
  flex: 1 1 auto;
}

.active-project-color-swatch {
  width: 1.65rem;
  height: 1.65rem;
  flex: 0 0 auto;
  border-radius: 0.35rem;
  border: 2px solid currentColor;
  background: var(
    --active-project-swatch-color,
    #00e5ff
  );
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}


/* F16-UX UX-03E: selectable Turf measurements */

.measurement-item {
  display: grid;
  gap: 0.45rem;
  padding: 0.65rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  cursor: pointer;
  min-height: 2.75rem;
}

.measurement-item:hover,
.measurement-item:focus-visible {
  border-color: currentColor;
}

.measurement-item--selected {
  border: 2px solid currentColor;
  outline: 2px dashed currentColor;
  outline-offset: 2px;
}

.measurement-item-content {
  display: grid;
  gap: 0.2rem;
}

.measurement-item-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.measurement-selected-label {
  font-weight: 700;
}

.measurement-item-actions button {
  min-height: 2.5rem;
}


/* F16-UX UX-03F: active project zoom spacing */

#zoom-active-project-button {
  margin-top: 0.85rem;
  align-self: flex-start;
  min-width: 5.5rem;
  min-height: 2.65rem;
}

.project-danger-zone {
  display: grid;
  justify-items: start;
  gap: 0.65rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 2px solid var(--danger);
}

.project-danger-zone p {
  margin: 0;
}

.project-manager-panel,
.project-delete-confirmation {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  padding: 1rem;
}

.project-manager-panel > summary {
  min-height: 3rem;
  cursor: pointer;
  font-weight: 800;
}

.project-manager-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.project-manager-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface-soft);
}

.project-manager-item p {
  margin: 0;
}

.project-delete-confirmation {
  border: 2px solid var(--danger);
}

.project-delete-confirmation h2 {
  margin-top: 0.25rem;
}

.project-delete-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.project-delete-actions button {
  flex: 1 1 12rem;
  min-height: 3rem;
}

#install-button {
  min-height: 3rem;
  min-width: 12rem;
}

/* =========================================================
   F18-UX
   Field workflow hierarchy, capture feedback and responsive
   refinements.

   Presentation only.
   No capture, GPS, storage, export or PWA logic changes.
   ========================================================= */


/* ---------------------------------------------------------
   1. PWA INSTALL
   Now located at the beginning of the workspace.
   Keep it visible but secondary to actual field controls.
   --------------------------------------------------------- */

.install-panel {
  border-color: var(--accent);
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--accent) 8%, var(--surface)),
      var(--surface)
    );
}

.install-panel h2 {
  margin-bottom: 0.35rem;
}

.install-panel #install-status:empty {
  display: none;
}


/* ---------------------------------------------------------
   2. CAPTURE AREA
   Strengthen the visual hierarchy of the principal field
   workflow without changing markup or controls.
   --------------------------------------------------------- */

.capture-panel {
  border-color:
    color-mix(in srgb, var(--accent) 65%, var(--border));
}

.capture-actions {
  margin-top: 1rem;
}

.capture-actions button {
  min-height: 3.25rem;
  line-height: 1.25;
}

#capture-point-button,
#start-average-point-button,
#start-line-button,
#start-polygon-button {
  overflow-wrap: anywhere;
}


/* ---------------------------------------------------------
   3. ENERGY / WAKE LOCK
   The complete energy panel is now directly below capture.
   Make Wake Lock the principal element while keeping privacy
   information visually secondary.
   --------------------------------------------------------- */

.energy-placeholder {
  border-color:
    color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: none;
}

.energy-placeholder > div:first-child h2 {
  margin-bottom: 0.35rem;
}

.energy-placeholder > div:first-child > p {
  font-size: 0.82rem;
}

.power-control {
  min-height: 3.5rem;
  border-width: 2px;
  border-color:
    color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--surface-raised);
}

.power-control span {
  line-height: 1.35;
}

.power-control:has(input:checked) {
  border-color: var(--success);
  background:
    color-mix(in srgb, var(--success) 8%, var(--surface-raised));
}

#wake-lock-status {
  margin-top: 0;
}

.privacy-note {
  font-size: 0.88rem;
}

.privacy-note p {
  font-size: 0.82rem;
}


/* ---------------------------------------------------------
   4. ACTIVE CAPTURE PANELS
   Make it obvious when the application is actively recording
   or reviewing a geometry.
   --------------------------------------------------------- */

.tracking-panel {
  border-width: 2px;
}

.tracking-panel .section-heading {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.tracking-panel .section-kicker {
  margin-bottom: 0.25rem;
}

.tracking-panel .state-badge {
  flex: 0 0 auto;
}


/* ---------------------------------------------------------
   5. AVERAGE POINT REVIEW
   Coordinates/quality written by the existing JS into the
   review area receive much stronger visual treatment.
   --------------------------------------------------------- */

.average-review {
  margin-top: 1rem;
  border: 2px solid var(--accent);
  border-radius: 0.85rem;
  padding: 1rem;
  background:
    color-mix(in srgb, var(--accent) 6%, var(--surface-raised));
}

.average-review > p {
  margin: 0;
  border-radius: 0.65rem;
  padding: 0.85rem;
  background: var(--surface);
  color: var(--text);
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  font-weight: 850;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.average-review .point-fields {
  margin-top: 1rem;
}


/* ---------------------------------------------------------
   6. POLYGON FEEDBACK
   The existing aria-live polygon message becomes a prominent
   status area rather than ordinary helper text.

   State-specific wording remains controlled by existing JS.
   --------------------------------------------------------- */

#polygon-capture-message {
  min-height: 3.5rem;
  margin-top: 1rem;
  border: 2px solid var(--warning);
  border-radius: 0.8rem;
  padding: 0.85rem 1rem;
  background:
    color-mix(in srgb, var(--warning) 7%, var(--surface-raised));
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 850;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

#accept-poor-polygon-vertex-button:not([hidden]) {
  border: 2px solid var(--warning);
  background:
    color-mix(in srgb, var(--warning) 12%, var(--surface-soft));
  color: var(--text);
}

#add-polygon-vertex-button {
  min-height: 3.5rem;
}

#polygon-vertex-count {
  font-size: 1.15rem;
}

.vertex-list {
  max-height: 12rem;
}


/* ---------------------------------------------------------
   7. LINE FEEDBACK
   Keep consistency with the other active acquisition modes.
   --------------------------------------------------------- */

#line-tracking-message,
#average-message {
  border-radius: 0.7rem;
  padding: 0.7rem 0.8rem;
  background: var(--surface-raised);
}


/* ---------------------------------------------------------
   8. MAP
   Field controls may contain long labels on narrow phones.
   Prevent layout pressure / horizontal overflow.
   --------------------------------------------------------- */

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

.section-actions {
  min-width: 0;
}

.section-actions button {
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

.map-surface {
  width: 100%;
  max-width: 100%;
}


/* ---------------------------------------------------------
   9. EXPORT / SHARE
   Presentation only. Existing handlers remain untouched.
   --------------------------------------------------------- */

.transfer-actions button {
  min-height: 3rem;
  white-space: normal;
  overflow-wrap: anywhere;
}

#share-project-button:not([hidden]) {
  border-color: var(--accent);
}


/* ---------------------------------------------------------
   10. MOBILE-FIRST FIELD ERGONOMICS
   --------------------------------------------------------- */

@media (max-width: 41.99rem) {
  .app-header,
  .app-shell,
  .app-footer {
    width: min(100% - 0.75rem, 72rem);
  }

  .app-header {
    margin-top:
      max(0.375rem, env(safe-area-inset-top));
  }

  .app-shell {
    gap: 0.65rem;
    padding-block: 0.65rem;
  }

  .status-panel,
  .capture-panel,
  .tracking-panel,
  .map-panel,
  .export-panel,
  .import-panel,
  .energy-placeholder,
  .install-panel,
  .summary-card {
    padding: 0.9rem;
  }

  .section-heading {
    align-items: flex-start;
  }

  .capture-actions {
    gap: 0.55rem;
  }

  .capture-actions button {
    width: 100%;
    min-height: 3.5rem;
  }

  .power-control {
    align-items: flex-start;
  }

  .power-control input {
    margin-top: 0.1rem;
    flex: 0 0 auto;
  }

  .tracking-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tracking-actions button {
    width: 100%;
    min-width: 0;
  }

  .tracking-actions .danger-button {
    margin-inline-start: 0;
  }

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

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

  .tracking-metrics div,
  .position-details div {
    padding: 0.65rem;
  }

  .tracking-metrics dt,
  .position-details dt {
    overflow-wrap: anywhere;
  }

  .tracking-metrics dd,
  .position-details dd {
    font-size: 0.9rem;
  }

  .section-actions {
    width: 100%;
    justify-content: stretch;
  }

  .section-actions .state-badge {
    flex: 0 0 auto;
  }

  .section-actions button {
    flex: 1 1 9rem;
  }

  .transfer-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .transfer-actions button,
  .file-button {
    width: 100%;
    min-width: 0;
  }

  .install-panel button {
    width: 100%;
  }

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

  .project-delete-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .project-delete-actions button {
    width: 100%;
    min-width: 0;
  }

  #polygon-capture-message {
    min-height: 4rem;
    font-size: 1rem;
  }

  .average-review > p {
    font-size: 0.9rem;
  }
}


/* ---------------------------------------------------------
   11. VERY NARROW DEVICES
   320–359 px remains supported.
   --------------------------------------------------------- */

@media (max-width: 22.49rem) {
  .position-details,
  .tracking-metrics,
  .polygon-metrics,
  .average-metrics,
  .import-counts {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
  }

  .state-badge {
    align-self: flex-start;
  }
}


/* ---------------------------------------------------------
   12. DESKTOP REFINEMENTS
   Preserve efficient use of available width.
   --------------------------------------------------------- */

@media (min-width: 42rem) {
  .capture-actions button {
    min-height: 3.25rem;
  }

  .energy-placeholder {
    grid-template-columns:
      minmax(0, 1fr)
      minmax(18rem, 0.75fr);
    align-items: start;
  }

  .energy-placeholder > div:first-child {
    grid-column: 1;
  }

  .energy-placeholder .power-control,
  .energy-placeholder #wake-lock-status {
    grid-column: 2;
  }

  .energy-placeholder .privacy-note {
    grid-column: 1 / -1;
  }

  .average-review {
    padding: 1.1rem;
  }
}


/* ---------------------------------------------------------
   13. SUNLIGHT / ACCESSIBILITY
   Important acquisition states remain visible without relying
   exclusively on subtle contrast.
   --------------------------------------------------------- */

@media (prefers-contrast: more) {
  .tracking-panel,
  .power-control,
  #polygon-capture-message,
  .average-review {
    border-width: 3px;
  }

  .state-badge {
    border-width: 2px;
  }
}