:root {
  --color-medical: #d62728;
  --color-scientific: #1f77b4;
  --color-economics: #2ca02c;
  --color-ecology: #8b4513;
  --color-local: #9467bd;
  --color-policy: #ff7f0e;
  --color-interview-targets: #ffb6c1; 
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-border: #e0e0e0;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-hover: #f0f0f0;
}

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

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

/* Header */
.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.header h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 5px;
}

.header p {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* Main Layout */
.main {
  display: grid;
  grid-template-columns: 240px 1fr 320px;
  gap: 1px;
  flex: 1;
  overflow: hidden;
  background: var(--color-border);
}

/* Angles Panel */
.angles-panel {
  background: var(--color-surface);
  overflow-y: auto;
  padding: 20px;
  border-right: 1px solid var(--color-border);
}

.angles-panel h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 15px;
  letter-spacing: 0.5px;
}

.angle-button {
  display: block;
  width: 100%;
  padding: 12px;
  margin-bottom: 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: all 0.2s;
  border-left: 4px solid transparent;
}

.angle-button:hover {
  background: var(--color-hover);
}

.angle-button.active {
  background: var(--color-hover);
  font-weight: 600;
  border-left-color: currentColor;
}

.angle-button.medical-framing { --angle-color: var(--color-medical); }
.angle-button.scientific-evidence { --angle-color: var(--color-scientific); }
.angle-button.tourism-economics { --angle-color: var(--color-economics); }
.angle-button.ecological-impact { --angle-color: var(--color-ecology); }
.angle-button.local-voices { --angle-color: var(--color-local); }
.angle-button.policy-institutions { --angle-color: var(--color-policy); }
.angle-button.interview-targets { --angle-color: var(--color-interview-targets); }


.angle-button.active {
  border-left-color: var(--angle-color);
  color: var(--angle-color);
}

/* Sources Panel */
.sources-panel {
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--color-border);
  padding: 20px;
}

.sources-panel h2 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 15px;
}

.source-count {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-weight: normal;
}

.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 15px;
}

.filters input,
.filters select {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 12px;
  background: var(--color-surface);
  color: var(--color-text);
}

.filters input:focus,
.filters select:focus {
  outline: none;
  border-color: var(--color-scientific);
}

.sources-list {
  flex: 1;
  overflow-y: auto;
}

.source-item {
  padding: 12px;
  margin-bottom: 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  cursor: pointer;
  transition: all 0.2s;
  border-left: 4px solid transparent;
}

.source-item:hover {
  background: var(--color-hover);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.source-item.active {
  background: var(--color-hover);
  border-left-color: var(--color-scientific);
}

.source-item-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.3;
}

.source-item-meta {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.source-item-type {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--color-bg);
  margin-right: 6px;
}

/* Detail Panel */
.detail-panel {
  background: var(--color-surface);
  overflow-y: auto;
  padding: 20px;
}

.detail-content h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 15px;
}

.detail-content h3:first-child {
  margin-top: 0;
}

.detail-content p {
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--color-text-secondary);
}

.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 15px;
}

.detail-meta-item {
  font-size: 12px;
}

.detail-meta-label {
  font-weight: 600;
  color: var(--color-text);
}

.detail-meta-value {
  color: var(--color-text-secondary);
}

.detail-summary {
  font-size: 13px;
  line-height: 1.6;
  padding: 12px;
  background: var(--color-bg);
  border-radius: 4px;
  margin-bottom: 15px;
}

.detail-angle-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  margin-right: 6px;
  margin-bottom: 6px;
  color: white;
}

.detail-angle-badge.medical-framing { background: var(--color-medical); }
.detail-angle-badge.scientific-evidence { background: var(--color-scientific); }
.detail-angle-badge.tourism-economics { background: var(--color-economics); }
.detail-angle-badge.ecological-impact { background: var(--color-ecology); }
.detail-angle-badge.local-voices { background: var(--color-local); }
.detail-angle-badge.policy-institutions { background: var(--color-policy); }
.detail-angle-badge.interview-targets {background: var(--color-interview-targets);}

.detail-link {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--color-scientific);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 12px;
  transition: background 0.2s;
}

.detail-link:hover {
  background: #1565c0;
}

.placeholder {
  text-align: center;
  color: var(--color-text-secondary);
  padding: 20px;
  font-size: 13px;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cccccc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #999999;
}

/* Responsive */
@media (max-width: 1200px) {
  .main {
    grid-template-columns: 200px 1fr 280px;
  }
}

@media (max-width: 768px) {
  .main {
    grid-template-columns: 1fr;
  }
  
  .angles-panel,
  .detail-panel {
    display: none;
  }
}