* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: #0f172a;
  color: #e2e8f0;
  font-family: "Courier New", "Courier", monospace;
}
header {
  background: #1e293b;
  border-bottom: 1px solid #334155;
  padding: 1rem 1.5rem;
}
.header-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.header-logo {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.header-title {
  margin: 0;
  font-size: 1.125rem;
  font-family: "Courier New", "Courier", monospace;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.header-subtitle {
  color: #64748b;
  font-size: 0.75rem;
  margin: 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
main {
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

.main-left {
  display: flex;
  flex-direction: column;
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  align-items: stretch;
}

.main-right {
  display: flex;
  flex-direction: column;
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  align-items: stretch;
}

.control-panel,
.map-section {
  flex: 1;
}

.results-sticky {
  grid-column: 1 / 3;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.map-section {
  display: flex;
  flex-direction: column;
  background: #1a1f2e;
  border: 1px solid #2a3f5f;
  border-radius: 4px;
  padding: 0.75rem;
}

.map-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.map-header-left {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.map-controls {
  display: flex;
  gap: 0.5rem;
}

.map-section h2 {
  margin: 0;
}

.area-indicator {
  font-size: 0.85rem;
  color: #64748b;
  display: none;
}

#map {
  width: 100%;
  height: 500px;
  cursor: grab;
}

.map-section.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  border-radius: 0;
  margin: 0;
}

.map-section.fullscreen #map {
  flex: 1;
  height: auto;
  min-height: 0;
}

#fullscreenBtn {
  padding: 0.4rem 0.55rem;
  font-size: 0.9rem;
  line-height: 1;
}

h1 {
  font-size: 1.875rem;
  font-weight: bold;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64b5f6;
}
h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 1.5rem;
}

#map.drawing {
  cursor: crosshair;
}
#drawStatus {
  display: block;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
  background: #1b4332;
  border-radius: 0.375rem;
  min-height: 1.25rem;
}
.point-label {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  font-size: 0.75rem !important;
  font-weight: bold !important;
  color: white !important;
}
.instruction {
  color: #86efac;
  font-size: 0.875rem;
  padding: 0.75rem;
  background: #1b4332;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
}
.controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
button {
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.95rem;
}

/* Leaflet Geocoder Styling */
.leaflet-control-geocoder {
  background: #1e293b !important;
  border: 1px solid #334155 !important;
  padding: 0.5rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}
.leaflet-control-geocoder-icon {
  flex-shrink: 0 !important;
}
.leaflet-control-geocoder-form {
  background: #1e293b !important;
  padding: 0 !important;
  margin: 0 !important;
}
.leaflet-control-geocoder-form input {
  background: #0f172a !important;
  color: #e2e8f0 !important;
  border: 1px solid #334155 !important;
  padding: 0.375rem 0.5rem !important;
  font-size: 0.875rem !important;
  width: 150px !important;
}
.leaflet-control-geocoder-form input::placeholder {
  color: #64748b !important;
}
.leaflet-control-geocoder-form button {
  padding: 0.375rem 0.5rem !important;
  background: #16a34a !important;
  color: white !important;
  border: none !important;
  font-size: 0.75rem !important;
}
.leaflet-control-geocoder-form button:hover {
  background: #15803d !important;
}
.leaflet-control-geocoder-results {
  display: none !important;
  height: 0 !important;
  overflow: hidden !important;
}
.leaflet-control-geocoder-result {
  display: none !important;
}
.leaflet-control-geocoder-result:hover {
  background: #0f172a !important;
}
.leaflet-control-geocoder-results-item {
  display: none !important;
}
.leaflet-control-geocoder-results-header {
  display: none !important;
}
/* Control Panel */
.control-panel {
  background: #1a1f2e;
  border: 1px solid #2a3f5f;
  border-radius: 4px;
  padding: 0.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  align-items: start;
}

.panel-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel-advanced {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 2px;
  padding: 0.75rem;
}

.formula-display {
  background: #1a1f2e;
  border-left: 2px solid #64b5f6;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  border-radius: 2px;
  font-family: "Courier New", "Courier", monospace;
  font-size: 0.75rem;
  line-height: 1.4;
}

.formula-line {
  color: #cbd5e1;
  margin-bottom: 0.25rem;
}

.formula-note {
  color: #64748b;
  font-size: 0.7rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid #334155;
}

.panel-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64b5f6;
  margin: 0;
  font-weight: 600;
}

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

.config-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.config-row {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.config-input-sm {
  flex: 1;
  max-width: 70px;
}

.preset-selector {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.preset-selector label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  white-space: nowrap;
}

.config-select {
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid #334155;
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  font-family: "Courier New", "Courier", monospace;
  border-radius: 2px;
  flex: 1;
}

.config-select:focus {
  outline: none;
  border-color: #64b5f6;
}

.config-grid-advanced {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.config-item-advanced {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.config-item-advanced label {
  font-size: 0.7rem;
  color: #64b5f6;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.param-hint {
  font-size: 0.65rem;
  color: #64748b;
  margin-top: 0.1rem;
}

.config-item label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.config-input {
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid #334155;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  font-family: "Courier New", "Courier", monospace;
  border-radius: 2px;
  transition: border-color 0.2s;
  width: 100%;
}

.config-unit {
  color: #64748b;
  padding: 0 0.2rem;
}

.config-input:focus {
  outline: none;
  border-color: #64b5f6;
  box-shadow: 0 0 0 2px rgba(100, 181, 246, 0.1);
}

input[type="date"] {
  position: relative;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  filter: invert(1) brightness(1.2);
  padding: 0.3rem;
}

input[type="date"]::-webkit-outer-spin-button,
input[type="date"]::-webkit-inner-spin-button {
  display: none;
}

.panel-controls {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
}

.btn-slate-sm {
  background: #334155;
  color: #e2e8f0;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border: 1px solid #475569;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: "Courier New", "Courier", monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.btn-slate-sm:hover {
  background: #475569;
  border-color: #64748b;
}

.btn-slate-sm:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-green-sm {
  background: #16a34a;
  color: white;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border: 1px solid #22c55e;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: "Courier New", "Courier", monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.btn-green-sm:hover {
  background: #15803d;
  border-color: #4ade80;
}

.btn-green-sm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.draw-status {
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
  background: #1a1f2e;
  border: 1px solid #334155;
  border-radius: 2px;
  min-height: 1.25rem;
  color: #94a3b8;
}

/* Button Styles */
.btn-green {
  background: #16a34a;
  color: white;
  padding: 0.75rem 1.25rem;
}
.btn-green:hover {
  background: #15803d;
}
.btn-slate {
  background: #475569;
  color: white;
  padding: 0.75rem 1.25rem;
}
.btn-slate:hover {
  background: #334155;
}
.btn-blue {
  background: #2563eb;
  color: white;
  padding: 0.75rem 1.25rem;
}
.btn-blue:hover {
  background: #1d4ed8;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.stat {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid #334155;
}
.stat-label {
  color: #94a3b8;
  font-size: 0.875rem;
}
.stat-value {
  color: #e2e8f0;
  font-weight: 600;
}
.status {
  color: #94a3b8;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}
.error {
  color: #fca5a5;
  padding: 1rem;
  background: #7f1d1d;
  border-radius: 0.375rem;
  margin: 1rem 0;
}
.success {
  color: #86efac;
  padding: 1rem;
  background: #1b4332;
  border-radius: 0.375rem;
  margin: 1rem 0;
}
@media (max-width: 1024px) {
  main {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .main-left {
    grid-column: 1;
    grid-row: auto;
  }

  .main-right {
    grid-column: 1;
    grid-row: auto;
  }

  .control-panel {
    grid-template-columns: 1fr;
  }

  .control-panel .panel-section:last-of-type {
    grid-column: 1;
  }

  .results-sticky {
    grid-column: 1;
    grid-row: auto;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  main {
    padding: 1rem;
  }

  #map {
    min-height: 300px;
  }
}