* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000000;
  color: #ffffff;
}

.link {
  color: #ffffff;
  text-decoration: underline;
}

.container {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

header {
  background-color: #000000;
  padding: 1rem 2rem;
  border-bottom: 2px solid #ffffff;
}

header h1 {
  color: #ffffff;
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
}

header p {
  color: #cccccc;
  font-size: 0.9rem;
}

.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  width: 100%;
  height: 100%;
  min-height: 0;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.toolbar {
  width: 280px;
  background-color: #000000;
  padding: 1.5rem;
  overflow-y: auto;
  border-right: 2px solid #ffffff;
}

.toolbar h2 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.toolbar h3 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid white;
  text-align: center;
}

.tool-section {
  margin-bottom: 2rem;
}

.tool-section label {
  display: block;
  margin-bottom: 0.8rem;
  color: #ffffff;
}

.tool-section input[type="text"],
.tool-section input[type="number"],
.tool-section textarea {
  width: 100%;
  padding: 0.5rem;
  background-color: #000000;
  border: 1px solid #ffffff;
  color: #ffffff;
  border-radius: 4px;
  margin-top: 0.3rem;
}

.tool-section textarea {
  resize: vertical;
  min-height: 60px;
}

.tool-btn,
.action-btn {
  width: 100%;
  padding: 0.7rem;
  margin-bottom: 0.5rem;
  background-color: #000000;
  border: 2px solid #ffffff;
  color: #ffffff;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.tool-btn:hover,
.action-btn:hover {
  background-color: #222222;
}

.tool-btn.active {
  background-color: #ffffff;
  border-color: #ffffff;
  color: #000000;
}

.action-btn {
  background-color: #000000;
  border-color: #ffffff;
  color: #ffffff;
}

.action-btn:hover {
  background-color: #222222;
}

.hint {
  color: #888888;
  font-style: italic;
  font-size: 0.9rem;
}

.canvas-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #000000;
  overflow: hidden;
  padding: 1rem;
  width: 100%;
  min-height: 0;
  position: relative;
}

.floating-toolbar {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background-color: rgba(0, 0, 0, 0.9);
  border: 2px solid #ffffff;
  border-radius: 8px;
  padding: 0.5rem;
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2);
}

.floating-tool-btn {
  width: 40px;
  height: 40px;
  padding: 0.5rem;
  background-color: #000000;
  border: 2px solid #ffffff;
  color: #ffffff;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-tool-btn:hover {
  background-color: #222222;
  transform: scale(1.05);
}

.floating-tool-btn.active {
  background-color: #ffffff;
  color: #000000;
}

.floating-tool-btn svg {
  pointer-events: none;
}

/* Context-sensitive toolbar (appears when item selected) */
.context-toolbar {
  top: 1.5rem;
  left: 6rem; /* Position to the right of main toolbar */
}

.delete-btn-floating {
  background-color: #8b0000 !important;
  border-color: #ff4444 !important;
}

.delete-btn-floating:hover {
  background-color: #ff0000 !important;
  border-color: #ff6666 !important;
}

.marker-selector-toolbar {
  top: 1.5rem;
  right: 1.5rem;
  left: auto;
  min-width: 200px;
}

.item-details-panel {
  top: auto;
  right: 1.5rem;
  left: auto;
  min-width: 200px;
  max-width: 250px;
}

.item-details-panel label {
  color: #ffffff;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.item-details-panel input[type="text"] {
  background-color: #000000;
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 0.9rem;
  outline: none;
  width: 100%;
}

.item-details-panel input[type="text"]:focus {
  border-color: #4a9eff;
}

.item-details-panel .checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.item-details-panel input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.toolbar-section {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.toolbar-label {
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: bold;
}

.toolbar-select {
  background-color: #000000;
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  outline: none;
}

.toolbar-select:hover:not(:disabled) {
  background-color: #222222;
}

.toolbar-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.toolbar-select:focus {
  border-color: #4a9eff;
}

#mapCanvas {
  background-color: #000000;
  border: 2px solid #ffffff;
  cursor: crosshair;
}

.checkbox-group {
  margin-top: 0.5rem;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
  margin-right: 0.5rem;
}

button.delete-btn {
  background-color: #000000;
  border-color: #ffffff;
  color: #ffffff;
  margin-top: 1rem;
}

button.delete-btn:hover {
  background-color: #ffffff;
  color: #000000;
}

/* Instructions Section */
.instructions {
  color: #cccccc;
  font-size: 0.85rem;
  line-height: 1.5;
  flex-shrink: 0;
  padding: 0.5rem 1rem;
}

.instructions p {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.instructions strong {
  color: #ffffff;
  display: block;
  margin-bottom: 0.1rem;
}

/* Legend Section */
.legend {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #cccccc;
}

.legend-color {
  width: 24px;
  height: 24px;
  border: 2px solid;
  border-radius: 3px;
  flex-shrink: 0;
}

.legend-white {
  background-color: #000000;
  border-color: #ffffff;
}

.legend-blue {
  background-color: #000000;
  border-color: #0051ffff;
}

/* Tool Info Panel */
.tool-info-panel {
  bottom: 10px;
  left: 10px;
  top: auto;
  right: auto;
  min-width: 280px;
  max-width: 350px;
  background-color: rgba(0, 0, 0, 0.95);
  border: 2px solid #4a9eff;
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-title {
  color: #4a9eff;
  font-size: 1rem;
  font-weight: bold;
  margin: 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #4a9eff;
}

.info-description {
  color: #ffffff;
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 0;
}

.info-tips {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(74, 158, 255, 0.3);
}

.info-tips ul {
  margin: 0.5rem 0 0 0;
  padding-left: 1.2rem;
  color: #cccccc;
  font-size: 0.8rem;
  line-height: 1.5;
}

.info-tips li {
  margin-bottom: 0.3rem;
}

.info-tips strong {
  color: #4a9eff;
}