:root {
  --primary: #60a5fa;
  --primary-hover: #3b82f6;
  --error: #f87171;
  --success: #34d399;
  --warning: #fbbf24;
  --background: #0f172a;
  --surface: #1e293b;
  --surface-elevated: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border: #475569;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.15);
  --shadow-md: 0 2px 4px 0 rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 4px 8px 0 rgba(0, 0, 0, 0.35);
  --radius: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  margin: 0;
  padding: 24px;
  background: var(--background);
  min-height: 100vh;
  line-height: 1.4;
  color: var(--text-primary);
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
  grid-template-rows: auto auto 1fr;
}

.header-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px 32px;
  text-align: center;
}

.header-card h1 {
  margin: 0 0 8px 0;
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.header-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
}

.input-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 28px;
}

.input-toggle {
  max-width: 900px;
  margin: 0 auto 24px auto;
}

.toggle-switch {
  display: flex;
  background: var(--surface-elevated);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  position: relative;
  width: 100%;
}

.toggle-option {
  flex: 1;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-sm) - 4px);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
}

.toggle-option.active {
  color: var(--primary);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.input-group {
  display: flex;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.input-group.text-mode {
  flex-direction: column;
}

#urlInput,
#textInput {
  flex: 1;
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: inherit;
  transition: all 0.2s ease;
  background: var(--surface);
  color: var(--text-primary);
}

#textInput {
  min-height: 200px;
  resize: vertical;
  line-height: 1.5;
}

#urlInput:focus,
#textInput:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

#urlInput::placeholder,
#textInput::placeholder {
  color: var(--text-muted);
}

#extractBtn {
  padding: 16px 32px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

#extractBtn:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

#extractBtn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

.status-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: none;
}

.status-card.show {
  display: block;
}

.loading-state {
  padding: 48px 32px;
  text-align: center;
  color: var(--text-secondary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.error-state {
  background: rgba(239, 68, 68, 0.05);
  color: var(--error);
  padding: 24px;
  margin: 24px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--error);
  font-weight: 500;
  white-space: pre-line;
  line-height: 1.5;
}

.results-container {
  display: grid;
  gap: 24px;
  grid-template-rows: auto 1fr;
}

.article-summary {
  background: var(--surface-elevated);
  padding: 24px;
  border-radius: var(--radius-sm);
}

.article-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  line-height: 1.3;
}

.article-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.stat-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.locations-count {
  color: var(--primary);
  font-weight: 600;
}

.map-container {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

#map {
  height: 600px;
  width: 100%;
}

/* Custom marker styles */
.custom-marker {
  background: none !important;
  border: none !important;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
  transition: all 0.2s ease;
}

.custom-marker:hover {
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
  transform: translateY(-2px);
}

/* Modern popup styles */
.modern-popup .leaflet-popup-content-wrapper {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
}

.modern-popup .leaflet-popup-tip {
  background: var(--surface);
  border: 1px solid var(--border);
}

.modern-popup .leaflet-popup-content {
  margin: 0;
  font-family: inherit;
}

.popup-container {
  padding: 16px;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.popup-icon {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.popup-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
  margin: 0;
}

.popup-summary {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.875rem;
  margin: 0;
}

/* Progress UI Styles */
.progress-container {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 24px;
  margin: 16px 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.progress-container.show {
  opacity: 1;
  transform: translateY(0);
}

.progress-header h3 {
  margin: 0 0 16px 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.progress-header h3.status-error {
  color: var(--error);
}

.progress-header h3.status-complete {
  color: var(--success);
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--surface-elevated);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.current-step {
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.current-step.step-starting {
  color: var(--text-secondary);
}
.current-step.step-extracting_article {
  color: var(--warning);
}
.current-step.step-extracting_locations {
  color: var(--primary);
}
.current-step.step-processing_locations {
  color: var(--primary);
}
.current-step.step-filtering {
  color: var(--primary);
}
.current-step.step-complete {
  color: var(--success);
}
.current-step.step-error {
  color: var(--error);
}

.details-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .input-group {
    flex-direction: column;
  }

  .article-stats {
    flex-direction: column;
    gap: 12px;
  }

  .progress-container {
    padding: 16px;
  }
}