/* Projects grid vs compact (row) view */
.projects-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  row-gap: 70px;
  padding: 0 20px 40px;
  box-sizing: border-box;
}

.project-card {
  background: transparent;
  border: 2px solid var(--border-secondary);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  animation: projectCardAppear 0.5s ease-out forwards;
  animation-delay: calc(var(--project-index, 0) * 0.05s);
  opacity: 0;
  transform: translateY(20px);
  height: 100%;
  /* Create stacking context */
  z-index: 1; 
}

@keyframes projectCardAppear {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gradient Border Layer (Bottom) */
.project-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 18px; 
  background: linear-gradient(45deg, #1e293b, #0f172a); /* Default dark border */
  z-index: -2;
  transition: opacity 0.3s ease;
  opacity: 0;
}

/* Hover Gradient */
.project-card:hover::before {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--success-color), var(--primary-color));
  background-size: 400% 400%;
  opacity: 1;
  animation: borderMove 3s ease infinite;
}

/* Solid Background Layer (Middle) */
.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: var(--bg-card);
  z-index: -1;
}

/* Removed ::after as it's no longer needed for background */

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(56, 189, 248, 0.15);
  border-color: transparent; /* Hide original border */
  z-index: 10;
}

@keyframes borderMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* View Toggle Button Visibility Fix */
.view-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  z-index: 5;
  position: relative;
}

.view-toggle-btn i {
  color: var(--text-primary) !important; /* Force visibility */
  opacity: 1 !important;
  font-size: 1.2rem;
  display: block;
  line-height: 1;
}

.view-toggle-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
}
.view-toggle-btn:hover i {
    color: white !important;
}

/* Base Hover - Position adjustments handled in pseudo-element block above */
/* .project-card:hover  rule is now modifying the transform/shadow only */

.project-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: var(--text-primary);
  line-height: 1.3;
  transition: color 0.3s ease;
}

.project-card:hover h2 {
  color: var(--primary-color);
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 16px 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: 4.8rem; /* 3 lines * 1.6 */
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.project-tags span {
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.project-card:hover .project-tags span {
  border-color: rgba(56, 189, 248, 0.2);
  background: rgba(56, 189, 248, 0.05);
  color: var(--primary-color);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-secondary);
  z-index: 2;
}

.project-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

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

.project-footer {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
  z-index: 2;
}

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

/* Compact (row/list) view */
.projects-container.compact-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.projects-container.compact-view .project-card {
  flex-direction: row;
  align-items: center;
  padding: 20px;
  height: auto;
  min-height: auto;
}

.projects-container.compact-view .project-card:hover {
  transform: translateX(4px);
}

.projects-container.compact-view .project-card h2 {
  font-size: 1.25rem;
  margin: 0;
  min-width: 220px;
  width: 25%;
}

.projects-container.compact-view .project-desc {
  margin: 0 24px;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.projects-container.compact-view .project-tags {
  margin: 0;
  min-width: 200px;
  justify-content: flex-end;
}

.projects-container.compact-view .project-links {
  margin: 0 0 0 24px;
  padding: 0;
  border: none;
}

.projects-container.compact-view .project-footer {
  margin: 0 0 0 24px;
  min-width: 140px;
  justify-content: flex-end;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .projects-container.compact-view .project-card {
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .projects-container.compact-view .project-card h2 {
    width: 100%;
    margin-bottom: 8px;
  }
  
  .projects-container.compact-view .project-desc {
    width: 100%;
    margin: 0 0 12px 0;
  }
  
  .projects-container.compact-view .project-tags,
  .projects-container.compact-view .project-links,
  .projects-container.compact-view .project-footer {
    width: auto;
    margin: 0;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .projects-container {
    grid-template-columns: 1fr;
    padding: 0 16px 40px;
  }
  
  .project-card {
    padding: 20px;
  }
  
  .projects-container.compact-view .project-card {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Empty state styling */
.empty-state {
  grid-column: 1 / -1;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
  animation: fadeIn 0.3s ease-in-out;
}

.empty-state.visible {
  display: flex;
}

.empty-state i {
  font-size: 3.5rem;
  margin-bottom: 20px;
  opacity: 0.5;
  color: var(--primary-color);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin: 0 0 12px;
  color: var(--text-primary);
}

.empty-state p {
  margin: 0;
  font-size: 1.1rem;
  max-width: 400px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}