:root {
  --panel: rgba(255, 250, 242, 0.95);
  --panel-strong: #fffdf8;
  --text: #1e2a24;
  --muted: #57665d;
  --line: rgba(37, 52, 44, 0.14);
  --accent: #0b6e4f;
  --accent-soft: #dff3eb;
  --warning: #b7791f;
  --warning-soft: #fff2d8;
  --danger: #a63d40;
  --danger-soft: #fbe1e2;
  --success: #2f855a;
  --shadow: 0 24px 60px rgba(58, 53, 41, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(11, 110, 79, 0.12), transparent 28%),
    linear-gradient(135deg, #efe7d4 0%, #f8f4eb 45%, #ebe4d5 100%);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.hidden-control,
.hidden-control-bank {
  display: none !important;
}

.project-gate {
  min-height: 100vh;
  padding: 24px;
  display: grid;
  place-items: center;
}

.gate-shell {
  width: min(960px, 100%);
  display: grid;
  gap: 18px;
}

.gate-brand,
.gate-panel {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(340px, 430px) 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 24px;
  display: grid;
  gap: 16px;
  background: rgba(243, 239, 229, 0.82);
  backdrop-filter: blur(14px);
  border-right: 1px solid rgba(30, 42, 36, 0.08);
  overflow-y: auto;
}

.workspace {
  padding: 24px;
  display: grid;
  gap: 16px;
  min-height: 100vh;
  align-content: start;
}

.panel,
.viewer-toolbar,
.viewer-wrapper {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.brand h1,
.section-title h2 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 700;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.92rem;
}

.label {
  display: block;
  margin: 12px 0 6px;
  font-size: 0.92rem;
  font-weight: 600;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--panel-strong);
  color: var(--text);
  font-size: 0.98rem;
}

input:focus,
button:focus {
  outline: 2px solid rgba(11, 110, 79, 0.25);
  outline-offset: 2px;
}

.button,
.button.secondary,
.button.danger,
.mini-button {
  appearance: none;
  border: none;
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.button {
  background: var(--accent);
  color: white;
}

.button.secondary,
.mini-button {
  background: #edf2ef;
  color: var(--text);
}

.button.danger,
.mini-button.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.button:hover,
.mini-button:hover {
  transform: translateY(-1px);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.button-row.single {
  grid-template-columns: 1fr;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #edf2ef;
  color: var(--text);
}

.badge.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.success {
  background: var(--accent-soft);
  color: var(--success);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-card {
  padding: 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 1.4rem;
}

.hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.saved-files-title {
  margin-top: 16px;
}

.saved-file-list {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.saved-file-empty {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.saved-file-card {
  display: grid;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.saved-file-card.active {
  border-color: rgba(11, 110, 79, 0.4);
  box-shadow: inset 0 0 0 1px rgba(11, 110, 79, 0.18);
}

.saved-file-name {
  font-weight: 700;
  word-break: break-word;
}

.saved-file-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.saved-file-actions {
  display: flex;
  gap: 10px;
}

.export-options {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.export-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  font-weight: 600;
}

.export-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.segment-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.segment-card {
  padding: 12px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.segment-card.active {
  border-color: rgba(11, 110, 79, 0.4);
  box-shadow: inset 0 0 0 1px rgba(11, 110, 79, 0.18);
}

.segment-top,
.segment-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.segment-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.segment-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.segment-length,
.segment-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.segment-meta {
  margin: 8px 0;
}

.mini-button {
  padding: 8px 12px;
  font-size: 0.86rem;
}

.viewer-toolbar {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.viewer-wrapper {
  position: relative;
  min-height: 72vh;
  overflow: hidden;
  overscroll-behavior: contain;
  touch-action: none;
}

.map-tool-panel {
  position: absolute;
  left: 18px;
  top: 18px;
  z-index: 20;
  display: grid;
  gap: 8px;
  width: min(100% - 36px, 360px);
  padding: 10px;
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid rgba(30, 42, 36, 0.1);
  box-shadow: 0 12px 28px rgba(30, 42, 36, 0.12);
  backdrop-filter: blur(10px);
}

.map-tool-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.map-tool-status {
  gap: 6px;
}

.map-tool-main {
  flex-wrap: wrap;
}

.map-tool-context {
  display: none;
}

.map-tool-context.visible {
  display: flex;
}

.map-tool-button {
  pointer-events: auto;
  border: none;
  border-radius: 999px;
  padding: 10px 14px;
  background: #edf2ef;
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(30, 42, 36, 0.08);
}

.map-tool-button.primary {
  background: var(--accent);
  color: #ffffff;
}

.map-tool-button.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.map-tool-button.active {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.55), 0 8px 20px rgba(30, 42, 36, 0.08);
}

.icon-button {
  width: 46px;
  height: 46px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.tool-glyph {
  font-size: 1.1rem;
  line-height: 1;
}

.zoom-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.zoom-level {
  min-width: 56px;
  text-align: center;
  font-weight: 700;
  color: var(--muted);
}

.viewer-wrapper.empty {
  background:
    linear-gradient(rgba(255, 253, 248, 0.82), rgba(255, 253, 248, 0.82)),
    repeating-linear-gradient(
      45deg,
      rgba(11, 110, 79, 0.04),
      rgba(11, 110, 79, 0.04) 12px,
      rgba(255, 255, 255, 0.08) 12px,
      rgba(255, 255, 255, 0.08) 24px
    );
}

.pdf-stage {
  position: relative;
  display: none;
  transform-origin: top left;
  will-change: transform;
  backface-visibility: hidden;
  contain: layout paint style;
}

.pdf-stage.visible {
  display: block;
}

#pdfCanvas,
#overlayCanvas {
  display: block;
  max-width: none;
  border-radius: 18px;
  backface-visibility: hidden;
}

#overlayCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.feature-label-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

.feature-marker-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

.feature-marker {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  pointer-events: none;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
}

.feature-marker.segment-point {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 8px 18px rgba(30, 42, 36, 0.16);
}

.feature-marker.segment-point.active {
  width: 22px;
  height: 22px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 1), 0 0 0 4px rgba(11, 110, 79, 0.18), 0 10px 20px rgba(30, 42, 36, 0.18);
}

.feature-marker.location-mark {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 8px 18px rgba(30, 42, 36, 0.16);
}

.feature-marker.location-mark > span {
  transform: rotate(-45deg);
  font-size: 0;
}

.feature-label {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  padding: 4px 8px;
  border-radius: 999px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(30, 42, 36, 0.18);
}

.gps-cursor,
.mark-cursor {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 5;
}

.gps-cursor.hidden,
.mark-cursor.hidden {
  display: none;
}

.gps-cursor {
  width: 28px;
  height: 28px;
}

.gps-cursor.focused::before {
  animation: gps-pulse 1s ease-out 3;
}

.gps-cursor::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.18);
  border: 3px solid #22c55e;
  box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.14);
}

.gps-cursor-inner {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: #22c55e;
  z-index: 1;
}

@keyframes gps-pulse {
  0% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.14);
    transform: scale(1);
  }
  60% {
    box-shadow: 0 0 0 18px rgba(34, 197, 94, 0.06);
    transform: scale(1.08);
  }
  100% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.14);
    transform: scale(1);
  }
}

.aim-reticle {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 25;
}

.aim-reticle::before,
.aim-reticle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #0b6e4f;
}

.aim-reticle::before {
  width: 2px;
  height: 34px;
}

.aim-reticle::after {
  width: 34px;
  height: 2px;
}

.aim-reticle.hidden {
  display: none;
}

.map-fab-stack {
  display: none;
}

.map-fab {
  pointer-events: auto;
  border: none;
  border-radius: 999px;
  padding: 12px 16px;
  background: rgba(255, 253, 248, 0.96);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(30, 42, 36, 0.14);
}

.map-fab.primary {
  background: var(--accent);
  color: #ffffff;
}

#pdfCanvas {
  cursor: default;
}

#pdfCanvas.mark-mode {
  cursor: crosshair;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 24px;
  color: var(--muted);
}

.empty-state h2 {
  margin: 0 0 12px;
  color: var(--text);
}

.point-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 12px;
}

.point-list li {
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.point-list strong {
  display: block;
  margin-bottom: 4px;
}

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

  .project-gate {
    padding: 16px;
  }

  .sidebar,
  .workspace {
    padding: 16px;
  }

  .workspace {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(248, 244, 235, 0.98), rgba(248, 244, 235, 0.9));
  }

  .viewer-wrapper {
    min-height: calc(100vh - 132px);
  }

  .map-tool-panel {
    left: 12px;
    top: 12px;
    width: calc(100% - 24px);
  }
}