:root {
  --bg-dark: #0B0E14;
  --bg-card: #14181F;
  --bg-card-hover: #1A1F26;
  --accent-primary: #6E56CF;
  --accent-gradient: linear-gradient(135deg, #6E56CF 0%, #3B82F6 100%);
  --accent-glow: rgba(110, 86, 207, 0.3);
  --text-primary: #FFFFFF;
  --text-secondary: #8B95A1;
  --border-color: #2A2F37;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

#root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo img {
  display: block;
}

.logo-emoji {
  font-size: 1.8rem;
}

.logo-highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 0.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.lang-es {
  color: var(--text-primary);
}

.lang-separator {
  color: var(--text-secondary);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.2rem;
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: var(--bg-card);
}

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.2rem;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 10rem 2rem 4rem 2 rem;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 1;
}

/* Main Content */
.main-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 500px 1fr;
  gap: 2rem;
  flex: 1;
}

/* Preferences Panel */
.preferences-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.panel-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.panel-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.preference-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-icon {
  font-size: 1.2rem;
}

.section-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.multi-badge {
  background: var(--bg-card-hover);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
  margin-left: 0.5rem;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8rem;
}

.vibes-grid {
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
}

.option-card {
  position: relative;
  cursor: pointer;
}

.option-card input {
  position: absolute;
  opacity: 0;
}

.option-content {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.option-card input:checked + .option-content {
  background: var(--accent-gradient);
  border-color: transparent;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.option-emoji {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.option-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.option-price,
.option-speed,
.option-temp {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.option-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.option-card input:checked + .option-content .option-desc {
  color: rgba(255, 255, 255, 0.8);
}

.vibe-card .option-content {
  align-items: center;
  text-align: center;
  padding: 0.8rem;
}

.vibe-card .option-emoji {
  margin-bottom: 0.3rem;
  font-size: 1.3rem;
}

/* Match Button */
.match-button {
  position: relative;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  padding: 1.2rem;
  margin-top: 0.5rem;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s;
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  position: relative;
  z-index: 2;
}

.button-emoji {
  font-size: 1.3rem;
}

.button-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, white 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.match-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--accent-glow);
}

.match-button:hover .button-glow {
  opacity: 0.2;
}

/* Premium Badge */
.premium-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  color: var(--warning);
  font-size: 0.85rem;
}

.premium-icon {
  font-size: 1rem;
}

.premium-text strong {
  color: var(--warning);
}

/* Results Panel */
.results-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.results-container {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
  background: var(--bg-card-hover);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
}

.empty-illustration {
  width: 80px;
  height: 80px;
  background: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.empty-emoji {
  font-size: 2.5rem;
}

.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 300px;
  margin-bottom: 1.5rem;
}

.empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hint-arrow {
  font-size: 1.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* City Cards */
.city-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--bg-card-hover);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.city-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.city-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.city-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.city-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.city-name {
  font-size: 1.4rem;
  font-weight: 700;
}

.city-country {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

.city-score {
  background: var(--accent-gradient);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
}

.city-details {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.detail-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.detail-value {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.city-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.city-tag {
  background: var(--bg-dark);
  color: var(--text-secondary);
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  border: 1px solid var(--border-color);
}

/* Database Status */
.database-status {
  margin-top: 0.5rem;
  padding: 1rem;
  background: var(--bg-card-hover);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

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

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
}

.status-dot.connected {
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
}

.status-dot.disconnected {
  background: var(--error);
}

/* Footer */
.footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-dark);
}

.footer-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* --- Media Query corregida --- */
@media (max-width: 768px) {
    .nav-container { flex-direction: column; gap: 1rem; }
    .nav-links { width: 100%; justify-content: center; }
    .hero-stats { gap: 1.5rem; }
    .city-details { grid-template-columns: repeat(2, 1fr); }
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}

/* --- Estilos Base para Modales (Corregidos) --- */
.modal {
    display: none; 
    position: fixed; /* Lo fija a la pantalla, no al contenido */
    z-index: 9999;   /* Por encima de todo */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 14, 20, 0.9); 
    backdrop-filter: blur(12px);
}

.modal-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.modal-content {
    background-color: var(--bg-card); /* #14181F */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); /* 24px */
    padding: 2.5rem;
    width: 90%;
    max-width: 440px;
    position: relative;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.2rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: white;
    font-family: inherit;
}

.premium-tag {
    display: inline-block;
    background: var(--accent-gradient);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.premium-features {
    background: var(--bg-dark);
    padding: 1.2rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    text-align: left;
}

.feature-item {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    display: flex;
    gap: 0.8rem;
    color: var(--text-primary);
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.w-100 { width: 100%; }

/* Pestañas para resultados */
.result-tabs {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.tab-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all 0.2s;
}

.tab-button.active {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    border-bottom: 2px solid var(--accent-primary);
}

.tab-button:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

/* Estilo para el estado vacío premium */
.premium-empty .btn-primary {
    margin-top: 1rem;
}

/* Botones Match y Skip */
.btn-match, .btn-skip {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-match.active {
    background: #ff4d4d;
    border-color: #ff4d4d;
    color: white;
}
.btn-skip.active {
    background: #cccccc;
    border-color: #cccccc;
    color: #333;
}
.action-icon {
    font-size: 1.2rem;
}

/* Estilos para Favs */
.favs-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.favs-section h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}
.fav-card {
    grid-template-columns: 100px 1fr;
    margin-bottom: 1rem;
}
.fav-card .city-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.fav-card .city-actions button {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}
.empty-message {
    color: var(--text-secondary);
    font-style: italic;
    padding: 1rem 0;
}
.premium-card .city-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.premium-card .city-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.premium-card .detail-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.premium-card .detail-value {
    font-size: 1rem;
    line-height: 1.4;
    word-break: break-word;
}

.premium-card h4 {
    margin: 1rem 0 0.5rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.3rem;
}