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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #374151;
  background-color: #f9fafb;
  min-height: 100vh;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/static/images/modern-university-campus.png");
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.hero-decorations {
  position: absolute;
  inset: 0;
}

.decoration-1 {
  position: absolute;
  top: 2.5rem;
  right: 2.5rem;
  width: 8rem;
  height: 8rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  filter: blur(2rem);
}

.decoration-2 {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  width: 6rem;
  height: 6rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  filter: blur(1rem);
}

.decoration-3 {
  position: absolute;
  top: 50%;
  right: 25%;
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  filter: blur(0.5rem);
}

.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
  color: white;
}

.hero-title {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  color: #bfdbfe;
}

.hero-description {
  font-size: 1.25rem;
  color: #bfdbfe;
  margin-bottom: 2rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-icon {
  width: 2rem;
  height: 2rem;
  color: #bfdbfe;
  margin: 0 auto 0.75rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: #bfdbfe;
  font-size: 0.875rem;
}

/* Main Content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 500;
  color: #1f2937;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.section-description {
  color: #6b7280;
  max-width: 32rem;
  margin: 0 auto;
}

.section-divider {
  width: 4rem;
  height: 0.25rem;
  background: #2563eb;
  margin: 1rem auto 0;
  border-radius: 9999px;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

/* Card Styles */
.card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid #f3f4f6;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: #111827;
}

.card-content {
  padding: 1.5rem;
}

/* Announcements */
.announcement {
  border-left: 4px solid;
  padding-left: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.announcement.primary {
  border-color: #2563eb;
}

.announcement.warning {
  border-color: #f59e0b;
}

.announcement.success {
  border-color: #10b981;
}

.announcement-title {
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.5rem;
}

.announcement-content {
  color: #6b7280;
  margin-bottom: 0.75rem;
}

.announcement-details {
  background: #eff6ff;
  padding: 1rem;
  border-radius: 0.5rem;
}

.announcement-details h4 {
  font-weight: 500;
  color: #1e40af;
  margin-bottom: 0.5rem;
}

.announcement-details ul {
  color: #1e40af;
  font-size: 0.875rem;
  list-style: none;
}

.announcement-details li {
  margin-bottom: 0.25rem;
}

.announcement-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-faculty {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.badge-department {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.section-announcements {
  margin-bottom: 2rem;
}

.section-announcements:last-child {
  margin-bottom: 0;
}

.announcement-title time {
  font-size: 0.75rem;
  color: #aaa;
  margin-left: 0.5rem;
  font-weight: 300;
}

.department-name {
  font-weight: 700; /* жирний шрифт */
  color: #2a6ebb; /* яскравий синій колір */
  font-size: 1.2rem; /* трохи більший за основний текст */
}

/* File Items */
.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background: #f9fafb;
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: background-color 0.2s;
  text-decoration: none;
}

.file-item:hover {
  background: #f3f4f6;
}

.file-item.primary {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
}

.file-item.primary:hover {
  background: #dbeafe;
}

.file-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.file-name {
  font-weight: 500;
  color: #111827;
  font-size: 0.875rem;
}

.file-size {
  color: #6b7280;
  font-size: 0.75rem;
}

.file-item.primary .file-name {
  color: #1e40af;
}

.file-item.primary .file-size {
  color: #2563eb;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid #f3f4f6;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.faq-question {
  font-weight: 500;
  color: #111827;
  margin-bottom: 0.25rem;
}

.faq-answer {
  color: #6b7280;
  font-size: 0.875rem;
}

.faq-answer a {
  color: #3b82f6;
  text-decoration: underline;
  transition: color 0.2s;
}

.faq-answer a:hover {
  color: #1e40af;
}

/* Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  text-decoration: none;
  stroke: #165efc;
}

.icon-lg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: #165efc;
}

/* Non-Auth Content Styles */
.non-auth-content {
  max-width: 100%;
}

.auth-prompt-card {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.auth-prompt-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  background: #2563eb;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-prompt-icon svg {
  width: 2rem;
  height: 2rem;
  stroke: white;
}

.auth-prompt-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.75rem;
}

.auth-prompt-description {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.auth-prompt-button {
  display: inline-block;
  background: #16a34a;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.2s;
}

.auth-prompt-button:hover {
  background: #15803d;
}

.features-section {
  margin-top: 2rem;
}

.features-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1.5rem;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.feature-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: #2563eb;
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.feature-description {
  color: #6b7280;
  font-size: 0.875rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

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

  .main-content {
    padding: 1rem;
  }

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

  .auth-prompt-card {
    padding: 1.5rem;
  }
}