/* Header */
.header {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--spacing-xl);
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

#authButtons {
  display: flex;
  gap: var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border-color: var(--color-border-primary);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-toggle {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.user-menu-toggle:hover {
  border-color: var(--color-primary);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  display: none;
  z-index: 1000;
}

.user-menu-dropdown.show {
  display: block;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text-primary);
  text-align: left;
  border: none;
  background: none;
  cursor: pointer;
  transition: background var(--transition-base);
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--color-bg-tertiary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d1b4e 50%, #1a1a1a 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(139, 92, 246, 0.1) 0%,
    transparent 70%
  );
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-2xl);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
  background: linear-gradient(
    135deg,
    var(--color-text-primary) 0%,
    var(--color-primary-light) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Ranking Section */
.ranking-section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.ranking-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.ranking-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.ranking-position {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  background: var(--color-bg-tertiary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.ranking-position.top-3 {
  background: var(--color-primary);
  color: white;
}

.ranking-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.ranking-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.ranking-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.ranking-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.ranking-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
}

.score-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.score-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.ranking-meta {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.ranking-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.section-footer {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.error-message {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-secondary);
}

/* Footer */
/* Footer simplificado y elegante */
.footer {
  background-color: #1f2937;
  color: #9ca3af;
  padding: 32px 0;
  margin-top: auto;
  border-top: 1px solid #374151;
}

.footer-text {
  text-align: center;
  font-size: 14px;
  margin: 0;
  font-weight: 400;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border-primary);
    z-index: 1000;
  }

  .nav-links.show {
    display: flex !important;
  }

  .nav-link {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-secondary);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .mobile-menu-toggle {
    display: flex;
    position: relative;
    z-index: 1001;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .mobile-menu-toggle span {
    transition: all 0.3s ease;
  }

  .hero {
    min-height: 500px;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-actions {
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ranking-card {
    flex-direction: column;
  }

  .ranking-image {
    width: 100%;
    height: 200px;
  }

  .ranking-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .ranking-score {
    align-items: flex-start;
  }

  #authButtons {
    display: none;
  }
}