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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--gray-500);
  font-size: 1.1rem;
}

/* Search Section */
.search-section {
  margin-bottom: 2rem;
}

.search-box {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  max-width: 700px;
  margin: 0 auto;
}

.search-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.tab-btn:hover {
  background: var(--gray-200);
}

.tab-btn.active {
  background: var(--primary);
  color: white;
}

.tab-content {
  display: none;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tab-content.active {
  display: flex;
}

.tab-content input {
  flex: 1;
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.tab-content input:focus {
  outline: none;
  border-color: var(--primary);
}

.tab-content select {
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  background: white;
  cursor: pointer;
}

.btn-primary {
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-loader {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* Error Section */
.error-section {
  margin-bottom: 2rem;
}

.error-box {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 700px;
  margin: 0 auto;
}

.error-icon {
  font-size: 1.25rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

/* Property Card */
.property-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.property-address-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.property-address {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
}

.external-link-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}

.external-link-btn:hover {
  background: var(--primary-dark);
}

.property-complex {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
  border-radius: 8px;
  width: fit-content;
}

.property-complex .complex-icon {
  font-size: 1.1rem;
}

.property-complex .complex-name {
  font-weight: 600;
  color: #1e40af;
  font-size: 0.95rem;
}

.property-details {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.detail {
  color: var(--gray-600);
}

.property-price {
  text-align: right;
}

.price-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

.price-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

/* Liquidity Card */
.liquidity-main {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.score-circle {
  position: relative;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
}

.score-circle svg {
  transform: rotate(-90deg);
}

.score-bg {
  fill: none;
  stroke: var(--gray-200);
  stroke-width: 8;
}

.score-progress {
  fill: none;
  stroke: var(--success);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 1s ease-out, stroke 0.3s;
}

.score-progress.medium {
  stroke: var(--warning);
}

.score-progress.low {
  stroke: var(--danger);
}

.score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-800);
}

.liquidity-info {
  flex: 1;
}

.liquidity-level-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.liquidity-level {
  font-size: 1.5rem;
  font-weight: 600;
}

.confidence-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-weight: 500;
}

.confidence-badge.high {
  background: #d1fae5;
  color: #065f46;
}

.confidence-badge.medium {
  background: #fef3c7;
  color: #92400e;
}

.confidence-badge.low {
  background: #fee2e2;
  color: #991b1b;
}

.liquidity-level.high {
  color: var(--success);
}

.liquidity-level.medium {
  color: var(--warning);
}

.liquidity-level.low {
  color: var(--danger);
}

.liquidity-days {
  color: var(--gray-600);
}

.days-value {
  font-weight: 600;
  color: var(--gray-800);
}

/* Criteria Grid */
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.criterion-item {
  background: var(--gray-50);
  padding: 1rem;
  border-radius: 8px;
}

.criterion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.criterion-name {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.criterion-score {
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
}

.criterion-score.high {
  background: #d1fae5;
  color: #065f46;
}

.criterion-score.medium {
  background: #fef3c7;
  color: #92400e;
}

.criterion-score.low {
  background: #fee2e2;
  color: #991b1b;
}

.criterion-bar {
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.criterion-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease-out;
}

.criterion-bar-fill.high {
  background: var(--success);
}

.criterion-bar-fill.medium {
  background: var(--warning);
}

.criterion-bar-fill.low {
  background: var(--danger);
}

.criterion-explanation {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Missing criteria (no data) */
.criterion-missing {
  opacity: 0.6;
  background: var(--gray-100);
}

.criterion-score.missing {
  background: var(--gray-200);
  color: var(--gray-500);
}

.missing-text {
  color: var(--gray-400);
  font-style: italic;
}

/* Recommendations */
.recommendations {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 1rem;
}

.recommendations h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e40af;
  margin-bottom: 0.75rem;
}

.recommendations ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.recommendations li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #1e40af;
  font-size: 0.9rem;
}

.recommendations li::before {
  content: '→';
  position: absolute;
  left: 0;
}

/* Fair Price Card */
.fair-price-layout {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.fair-price-left {
  flex: 1;
  min-width: 280px;
}

.fair-price-right {
  flex: 1;
  min-width: 280px;
}

.price-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* Price Histogram */
.price-histogram {
  background: var(--gray-100);
  border-radius: 8px;
  padding: 1rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.histogram-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 1rem;
  text-align: center;
}

.histogram-chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  min-height: 120px;
  padding-bottom: 0.5rem;
}

.histogram-bar {
  flex: 1;
  min-width: 8px;
  border-radius: 3px 3px 0 0;
  transition: all 0.2s ease-out;
  cursor: pointer;
  position: relative;
  border-bottom: 2px solid transparent;
}

.histogram-bar:hover {
  opacity: 0.9;
  z-index: 100;
  transform: scaleX(1.1);
  border-bottom: 2px solid var(--gray-800);
}

.histogram-bar:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-800);
  color: white;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  pointer-events: none;
}

.histogram-bar:hover::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--gray-800);
  z-index: 1000;
}

.histogram-bar.highlight {
  box-shadow: 0 0 0 2px var(--gray-800);
}

.histogram-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .fair-price-layout {
    flex-direction: column;
  }

  .fair-price-right {
    order: -1;
  }
}

.stat-item {
  text-align: center;
}

.stat-item.range {
  flex: 1;
  text-align: center;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
}

/* Price Meter */
.price-meter {
  margin-bottom: 1.5rem;
}

.meter-bar {
  height: 12px;
  background: var(--gray-200);
  border-radius: 6px;
  position: relative;
  margin-bottom: 0.5rem;
}

.meter-range {
  position: absolute;
  height: 100%;
  background: linear-gradient(90deg, var(--success), var(--warning), var(--danger));
  border-radius: 6px;
  opacity: 0.3;
}

.meter-marker {
  position: absolute;
  width: 4px;
  height: 20px;
  background: var(--gray-800);
  border-radius: 2px;
  top: -4px;
  transform: translateX(-50%);
  transition: left 0.5s ease-out;
}

.meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Verdict */
.verdict-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1rem;
}

.verdict-box.cheap {
  background: #d1fae5;
  color: #065f46;
}

.verdict-box.in_market {
  background: #fef3c7;
  color: #92400e;
}

.verdict-box.expensive {
  background: #fee2e2;
  color: #991b1b;
}

/* Price per Meter */
.price-per-meter {
  border-top: 1px solid var(--gray-200);
  padding-top: 1.5rem;
}

.price-per-meter h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gray-700);
}

.ppm-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.ppm-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ppm-label {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.ppm-value {
  font-weight: 600;
  color: var(--gray-800);
}

.ppm-value.positive {
  color: var(--success);
}

.ppm-value.negative {
  color: var(--danger);
}

/* Analogs Card */
.analogs-count {
  font-weight: 400;
  color: var(--gray-500);
  font-size: 1rem;
}

.analogs-info {
  margin-bottom: 1rem;
}

.search-radius {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 20px;
  font-size: 0.8rem;
}

.analogs-table-wrapper {
  overflow-x: auto;
}

.analogs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.analogs-table th {
  text-align: left;
  padding: 0.75rem;
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 500;
  border-bottom: 2px solid var(--gray-200);
}

.analogs-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.analogs-table tr:hover {
  background: var(--gray-50);
}

.analogs-table .address-cell {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analogs-table .match-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.match-badge.high {
  background: #d1fae5;
  color: #065f46;
}

.match-badge.medium {
  background: #fef3c7;
  color: #92400e;
}

.match-badge.low {
  background: var(--gray-100);
  color: var(--gray-600);
}

.analogs-table .link-btn {
  padding: 0.25rem 0.5rem;
  background: var(--gray-100);
  color: var(--primary);
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
}

.analogs-table .link-btn:hover {
  background: var(--gray-200);
}

/* Report Card */
.report-card {
  background: var(--gray-50);
}

.report-info {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.report-info code {
  background: var(--gray-200);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  header h1 {
    font-size: 1.5rem;
  }

  .property-info {
    flex-direction: column;
    align-items: flex-start;
  }

  .property-price {
    text-align: left;
  }

  .liquidity-main {
    flex-direction: column;
    text-align: center;
  }

  .price-stats {
    justify-content: center;
  }

  .ppm-stats {
    flex-direction: column;
    gap: 0.5rem;
  }

  .criteria-grid {
    grid-template-columns: 1fr;
  }

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