/* Modern CSS Reset and Variables */
:root {
  /* Primary Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Neutral Colors */
  --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;

  /* Semantic Colors */
  --success-50: #ecfdf5;
  --success-500: #10b981;
  --success-600: #059669;
  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --danger-50: #fef2f2;
  --danger-500: #ef4444;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-md);
}

.logo-text h1 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.logo-text p {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--space-1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-600);
  background-color: var(--primary-50);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-200);
}

.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-600), var(--success-500));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
  position: relative;
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: white;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 25% 25%, white 2px, transparent 2px);
  background-size: 50px 50px;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(1deg);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: var(--space-10);
  font-weight: 400;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

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

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Main Content */
.main-content {
  padding: var(--space-20) 0;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.section-badge.urgent {
  background: var(--danger-50);
  color: var(--danger-500);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Priority Section */
.priority-section {
  margin-bottom: var(--space-20);
}

/* Filter Section */
.filter-section {
  margin-bottom: var(--space-16);
}

.filter-card {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition-normal);
}

.filter-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.filter-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.filter-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
}

.filter-title h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.filter-title p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.filter-form {
  display: flex;
  align-items: end;
  gap: var(--space-6);
  padding: var(--space-6);
}

.filter-group {
  flex: 1;
}

.filter-label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.select-wrapper {
  position: relative;
}

.filter-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  background: white;
  color: var(--gray-800);
  appearance: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.select-wrapper i {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

/* Blog Cards Container */
.blog-cards-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

/* Blog Card */
.blog-card {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  min-height: 280px;
  position: relative;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.priority-blog-card {
  border: 2px solid var(--primary-300);
  box-shadow: var(--shadow-lg);
}

.priority-blog-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500));
  z-index: 1;
}

/* Blog Card Image Section */
.blog-card-image {
  width: 280px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.blog-card-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-3xl);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.blog-card-status {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.status-open {
  background: rgba(16, 185, 129, 0.9);
  color: white;
}

.status-active {
  background: rgba(59, 130, 246, 0.9);
  color: white;
}

.status-upcoming {
  background: rgba(245, 158, 11, 0.9);
  color: white;
}

.status-finished {
  background: rgba(107, 114, 128, 0.9);
  color: white;
}

/* Blog Card Content */
.blog-card-content {
  flex: 1;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  position: relative;
}

.blog-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.blog-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.blog-card-category {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-date {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
}

.blog-card-bookmark {
  color: var(--gray-400);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.blog-card-bookmark:hover {
  color: var(--primary-500);
}

.priority-blog-card .blog-card-bookmark {
  color: var(--primary-500);
}

.blog-card-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  line-height: 1.3;
  transition: var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--primary-600);
}

.blog-card-excerpt {
  margin-bottom: var(--space-6);
  flex: 1;
}

.blog-card-excerpt p {
  color: var(--gray-600);
  line-height: 1.6;
  font-size: var(--font-size-base);
  margin: 0;
}

/* Blog Card Details */
.blog-card-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.detail-item i {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  margin-top: 2px;
}

.detail-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.detail-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-value {
  font-size: var(--font-size-sm);
  color: var(--gray-800);
  font-weight: 500;
  line-height: 1.4;
}

/* Blog Card Actions */
.blog-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

.blog-card-share {
  margin-left: auto;
}

.share-btn {
  width: 40px;
  height: 40px;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition-fast);
}

.share-btn:hover {
  background: var(--primary-100);
  color: var(--primary-600);
  transform: translateY(-1px);
}

/* Priority Section Adjustments */
.priority-section .blog-cards-container {
  position: relative;
}

.priority-section .blog-cards-container::before {
  content: "";
  position: absolute;
  left: -20px;
  top: -20px;
  right: -20px;
  bottom: -20px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0.5;
}

/* Responsive Design for Blog Cards */
@media (max-width: 1024px) {
  .blog-card-image {
    width: 240px;
  }

  .blog-card-icon {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 768px) {
  .blog-cards-container {
    gap: var(--space-6);
  }

  .blog-card {
    flex-direction: column;
    min-height: auto;
  }

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

  .blog-card-content {
    padding: var(--space-5);
  }

  .blog-card-title {
    font-size: var(--font-size-xl);
  }

  .blog-card-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .blog-card-share {
    margin-left: 0;
    align-self: center;
  }

  .priority-section .blog-cards-container::before {
    left: -10px;
    top: -10px;
    right: -10px;
    bottom: -10px;
  }
}

@media (max-width: 480px) {
  .blog-card-content {
    padding: var(--space-4);
  }

  .blog-card-details {
    padding: var(--space-3);
  }

  .blog-card-title {
    font-size: var(--font-size-lg);
  }

  .blog-card-image {
    height: 160px;
  }

  .blog-card-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }
}

/* Animation for blog cards */
.blog-card {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.blog-card:nth-child(1) {
  animation-delay: 0.1s;
}
.blog-card:nth-child(2) {
  animation-delay: 0.2s;
}
.blog-card:nth-child(3) {
  animation-delay: 0.3s;
}
.blog-card:nth-child(4) {
  animation-delay: 0.4s;
}
.blog-card:nth-child(5) {
  animation-delay: 0.5s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hover effects for better interactivity */
.blog-card-image {
  transition: var(--transition-normal);
}

.blog-card:hover .blog-card-image {
  transform: scale(1.02);
}

.blog-card:hover .blog-card-icon {
  transform: scale(1.1) rotate(5deg);
}

/* Reading time and additional meta */
.blog-card-reading-time {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.blog-card-tag {
  padding: var(--space-1) var(--space-2);
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  transition: var(--transition-fast);
}

.blog-card-tag:hover {
  background: var(--primary-100);
  color: var(--primary-700);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.empty-illustration {
  width: 120px;
  height: 120px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--gray-400);
  font-size: var(--font-size-4xl);
}

.empty-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

.empty-description {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

/* Activities Section */
.activities-section {
  margin-top: var(--space-20);
}

.activities-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.activity-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--space-4);
  transition: var(--transition-normal);
}

.activity-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.activity-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.activity-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.activity-date {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
}

.activity-edition {
  color: var(--primary-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.activity-type {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.activity-type[data-type="certificado"] {
  background: var(--success-50);
  color: var(--success-600);
}

.activity-type[data-type="inscrição"] {
  background: var(--warning-50);
  color: var(--warning-500);
}

.activity-type[data-type="avaliação"] {
  background: var(--danger-50);
  color: var(--danger-500);
}

.activity-type[data-type="submissão"] {
  background: var(--primary-50);
  color: var(--primary-600);
}

.activity-location {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.activity-description-wrapper {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--gray-200);
}

.activity-description {
  font-size: var(--font-size-sm);
  color: var(--primary-600);
  line-height: 1.5;
  margin: 0;
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: white;
  margin-top: var(--space-20);
}

.footer-content {
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: white;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
}

.footer-logo-text h3 {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--space-1);
}

.footer-logo-text p {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--gray-400);
}

.contact-item i {
  width: 20px;
  color: var(--primary-500);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: var(--space-6) 0;
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

.footer-version {
  color: rgba(156, 163, 175, 0.8);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-weight: 500;
}

.footer-version i {
  color: var(--primary-400);
  font-size: 0.75rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: white;
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.mobile-nav-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: white;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.mobile-nav.active .mobile-nav-content {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--gray-200);
}

.mobile-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  color: var(--gray-900);
}

.mobile-logo i {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--gray-600);
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-nav-links {
  flex: 1;
  list-style: none;
  padding: var(--space-6);
}

.mobile-nav-links li {
  margin-bottom: var(--space-2);
}

.mobile-nav-links a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.mobile-nav-links a:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.mobile-nav-actions {
  padding: var(--space-6);
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
  }

  .priority-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    padding: var(--space-16) 0;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

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

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .main-content {
    padding: var(--space-16) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
    flex-direction: column;
    gap: var(--space-2);
  }

  .filter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .cards-grid,
  .priority-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .activity-item {
    flex-direction: column;
    text-align: center;
  }

  .activity-header {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-version {
    font-size: 0.75rem;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

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

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

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

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

  .mobile-nav-content {
    width: 100%;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for better accessibility */
.btn:focus,
.nav-link:focus,
.filter-select:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .mobile-nav,
  .hero,
  .filter-section,
  .footer {
    display: none;
  }

  .main-content {
    padding: 0;
  }

  .seminar-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
}

/* Carousel Styles */
.carousel-container {
  position: relative;
  margin: var(--space-8) 0;
}

.carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.carousel {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.carousel-track {
  display: flex;
  gap: var(--space-6);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  padding: var(--space-2);
}

.carousel-btn {
  width: 48px;
  height: 48px;
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 10;
  flex-shrink: 0;
}

.carousel-btn:hover {
  background: var(--primary-500);
  color: white;
  border-color: var(--primary-500);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.carousel-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.carousel-btn:disabled:hover {
  background: white;
  color: var(--gray-600);
  border-color: var(--gray-200);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.carousel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-300);
  cursor: pointer;
  transition: var(--transition-fast);
}

.carousel-indicator.active {
  background: var(--primary-500);
  transform: scale(1.2);
}

/* Card Styles */
.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition-normal);
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  height: 360px;
}

.priority-card {
  height: 420px;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.priority-card {
  border: 2px solid var(--primary-300);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.priority-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500));
  z-index: 1;
}

.card-header {
  padding: var(--space-4);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.card-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.card-status {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-open {
  background: var(--success-50);
  color: var(--success-600);
}

.status-active {
  background: var(--primary-50);
  color: var(--primary-600);
}

.status-upcoming {
  background: var(--warning-50);
  color: var(--warning-500);
}

.status-finished {
  background: var(--gray-100);
  color: var(--gray-600);
}

.card-content {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-subtitle {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.info-item i {
  width: 16px;
  color: var(--primary-500);
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.info-item span {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  padding: var(--space-6) var(--space-4) var(--space-5);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  display: flex;
  gap: var(--space-3);
}

.priority-card .card-actions {
  background: var(--primary-50);
  padding: var(--space-5) var(--space-4) var(--space-6);
  gap: var(--space-3);
  flex-direction: column;
}

.priority-card .btn {
  height: 44px;
  font-size: var(--font-size-base);
  font-weight: 600;
  width: 100%;
  flex: none;
}

.btn-sm {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  height: 44px;
  flex: 1;
  min-width: 0;
}

.btn-sm:first-child {
  flex: 2;
}

/* Activity Cards */
.activity-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition-normal);
  width: 300px;
  flex-shrink: 0;
  height: 380px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.activity-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500));
  opacity: 0;
  transition: var(--transition-fast);
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.activity-card:hover::before {
  opacity: 1;
}

.activity-header {
  padding: var(--space-5);
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  position: relative;
}

.activity-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.activity-card:hover .activity-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-md);
}

.activity-type {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.activity-type[data-type="certificado"] {
  background: var(--success-50);
  color: var(--success-600);
  border-color: var(--success-200);
}

.activity-type[data-type="inscrição"] {
  background: var(--warning-50);
  color: var(--warning-500);
  border-color: var(--warning-200);
}

.activity-type[data-type="avaliação"] {
  background: var(--danger-50);
  color: var(--danger-500);
  border-color: var(--danger-200);
}

.activity-type[data-type="submissão"] {
  background: var(--primary-50);
  color: var(--primary-600);
  border-color: var(--primary-200);
}

.activity-content {
  padding: var(--space-4) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.activity-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-3);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-edition {
  color: var(--primary-600);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-2);
  background: var(--primary-50);
  border-radius: var(--radius-md);
  display: inline-block;
  max-width: fit-content;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-left: 0;
}

.activity-location {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  padding: 0;
  margin-left: 0;
  background: transparent;
}

.activity-type-info,
.activity-date {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  padding: var(--space-2) var(--space-3);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  margin-left: 0;
}

.activity-type-info i,
.activity-date i {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.activity-location i {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  margin-right: var(--space-2);
}

.activity-description {
  font-size: var(--font-size-sm);
  color: var(--primary-600);
  line-height: 1.5;
  margin: 0;
  flex: 1;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Responsive Carousel */
@media (max-width: 1024px) {
  .card {
    width: 260px;
  }

  .activity-card {
    width: 280px;
    height: 350px;
  }

  .carousel-track {
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  .carousel-wrapper {
    gap: var(--space-2);
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
  }

  .card {
    width: 240px;
    height: 300px;
  }

  .activity-card {
    width: 260px;
    height: 320px;
  }

  .activity-header {
    padding: var(--space-4);
    min-height: 70px;
  }

  .activity-icon {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
  }

  .activity-content {
    padding: var(--space-3) var(--space-4);
  }

  .activity-title {
    font-size: var(--font-size-base);
  }

  .carousel-track {
    gap: var(--space-3);
    padding: var(--space-1);
  }
}

@media (max-width: 480px) {
  .carousel-wrapper {
    flex-direction: column;
    gap: var(--space-4);
  }

  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
  }

  .carousel-btn-prev {
    left: var(--space-2);
  }

  .carousel-btn-next {
    right: var(--space-2);
  }

  .card {
    width: 220px;
    height: 280px;
  }

  .activity-card {
    width: 240px;
    height: 260px;
  }

  .activity-header {
    padding: var(--space-3);
    min-height: 60px;
  }

  .activity-icon {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
  }

  .activity-content {
    padding: var(--space-2) var(--space-3);
  }

  .activity-title {
    font-size: var(--font-size-sm);
  }

  .activity-meta {
    gap: var(--space-2);
  }

  .activity-type-info,
  .activity-date {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    gap: var(--space-1);
  }

  .activity-location {
    font-size: var(--font-size-xs);
    gap: var(--space-1);
  }

  .carousel {
    margin: 0 var(--space-12);
  }

  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
  }

  .carousel-btn-prev {
    left: var(--space-2);
  }

  .carousel-btn-next {
    right: var(--space-2);
  }

  .card {
    width: 220px;
    height: 280px;
  }

  .activity-card {
    width: 240px;
    height: 240px;
  }
}

/* Carousel animations */
.carousel-track {
  will-change: transform;
}

.card,
.activity-card {
  will-change: transform;
}

/* Smooth scrolling for touch devices */
@media (hover: none) and (pointer: coarse) {
  .carousel {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .carousel-track {
    transition: none;
  }

  .card,
  .activity-card {
    scroll-snap-align: start;
  }

  .carousel-btn {
    display: none;
  }
}

/* Loading state for carousel */
.carousel-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 320px;
  color: var(--gray-500);
}

.carousel-loading i {
  font-size: var(--font-size-2xl);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}