/* Enhanced Student Card Styles with Unique View Portfolio Button */
.student-card {
  background: white;
  border-radius: 20px;
  padding: 0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  margin-bottom: 25px;
  transform-style: preserve-3d;
}

.student-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(76, 175, 80, 0.1),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: 1;
  pointer-events: none;
}

.student-card.card-hover::before {
  transform: translateX(100%);
}

.student-card.card-hover {
  transform: translateY(-12px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 20px 40px rgba(76, 175, 80, 0.25);
  border-color: #4caf50;
}

.student-card.pending.card-hover {
  border-color: #f57c00;
  box-shadow: 0 20px 40px rgba(255, 152, 0, 0.25);
}

/* Card Header */
.card-header {
  padding: 15px 20px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e0e0e0;
  position: relative;
  z-index: 2;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.student-card.card-hover .status-badge {
  transform: scale(1.05);
}

.status-badge.active {
  background: rgba(76, 175, 80, 0.1);
  color: #2e7d32;
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.status-badge.pending {
  background: rgba(255, 152, 0, 0.1);
  color: #f57c00;
  border: 1px solid rgba(255, 152, 0, 0.3);
}

.batch-indicator {
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.student-card.card-hover .batch-indicator {
  transform: rotate(5deg) scale(1.1);
}

.batch-indicator.batch-1 {
  background: #4caf50;
  color: white;
}

/* Enhanced Card Body */
.card-body {
  padding: 25px 20px;
  text-align: center;
  position: relative;
  z-index: 2;
}

/* Simplified Image Container with Scale and Glow Effects */
.student-image-container {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.student-image-container.active {
  border-color: #4caf50;
}

.student-image-container.pending {
  border-color: #ff9800;
}

/* Simple hover effect - scale and glow */
.student-card.card-hover .student-image-container {
  transform: scale(1.25);
  border-width: 6px;
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.6), 0 0 40px rgba(76, 175, 80, 0.4),
    0 0 60px rgba(76, 175, 80, 0.2);
}

.student-card.pending.card-hover .student-image-container {
  box-shadow: 0 0 20px rgba(255, 152, 0, 0.6), 0 0 40px rgba(255, 152, 0, 0.4),
    0 0 60px rgba(255, 152, 0, 0.2);
}

.student-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
  filter: brightness(1) saturate(1);
}

.student-card.card-hover .student-image {
  filter: brightness(1.2) saturate(1.3) contrast(1.1);
}

/* Animated Border Effect */
.image-border-animation {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    #4caf50,
    #2196f3,
    #ff9800,
    #e91e63,
    #4caf50
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: borderRotate 2s linear infinite;
  z-index: -1;
}

@keyframes borderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.student-card.card-hover .image-border-animation {
  opacity: 1;
}

/* Remove overlay effects - no longer needed */
.image-overlay-wrapper {
  display: none;
}

.image-overlay {
  display: none;
}

.overlay-content {
  display: none;
}

.pulse-icon {
  display: none;
}

.overlay-text {
  display: none;
}

/* Remove floating icons */
.floating-icons {
  display: none;
}

.floating-icon {
  display: none;
}

/* Enhanced Student Info */
.student-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #2e7d32;
  margin-bottom: 12px;
  line-height: 1.3;
  position: relative;
  overflow: hidden;
}

.name-text {
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.name-highlight {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(76, 175, 80, 0.3),
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.student-card.card-hover .name-highlight {
  left: 100%;
}

.student-card.card-hover .name-text {
  transform: scale(1.05);
  color: #1b5e20;
}

.student-details {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.course-badge {
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.student-card.card-hover .course-badge {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.course-badge.course-mca {
  background: linear-gradient(135deg, #4caf50, #2e7d32);
  color: white;
}


.course-badge[class*="b.tech"],
.course-badge[class*="b-tech"] {
  background: linear-gradient(135deg, #e53935, #b71c1c) !important;
  color: #fff !important;
}
.specialization {
  font-size: 0.85rem;
  color: #666;
  font-style: italic;
  margin-bottom: 12px;
  padding: 6px 12px;
  background: #f0f0f0;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.student-card.card-hover .specialization {
  background: #e8f5e8;
  color: #2e7d32;
  transform: scale(1.05);
}

.specialization-icon {
  color: #ffd700;
  animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.2) rotate(180deg);
    opacity: 1;
  }
}

/* Hide folder info completely */
.folder-info {
  display: none !important;
}

/* Enhanced Card Actions - Focus on Single Portfolio Button */
.card-actions {
  padding: 20px;
  background: #f8f9fa;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 2;
}

/* Revolutionary Portfolio Button Design */
.portfolio-btn-unique {
  position: relative;
  display: block;
  text-decoration: none;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  border: 2px solid transparent;
}

.portfolio-btn-unique:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4),
    0 0 0 1px rgba(102, 126, 234, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-content {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 16px 24px;
  color: white;
  background: transparent;
}

.btn-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.portfolio-btn-unique:hover .btn-icon-wrapper {
  transform: rotate(360deg) scale(1.2);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-icon {
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.portfolio-btn-unique:hover .btn-icon {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.btn-text-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.btn-main-text {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
  transition: all 0.3s ease;
}

.btn-sub-text {
  font-size: 0.8rem;
  opacity: 0.9;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.portfolio-btn-unique:hover .btn-main-text {
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
  transform: translateX(5px);
}

.portfolio-btn-unique:hover .btn-sub-text {
  opacity: 1;
  transform: translateX(5px);
  text-shadow: 0 0 4px rgba(255, 255, 255, 0.4);
}

/* Animated Glow Effect */
.btn-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.6s ease;
  z-index: 1;
}

.portfolio-btn-unique:hover .btn-glow {
  transform: translateX(100%) skewX(-15deg);
}

/* Floating Particles Effect */
.btn-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 2;
}

.btn-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 2s ease-in-out infinite;
}

.btn-particles span:nth-child(1) {
  top: 20%;
  left: 20%;
  animation-delay: 0s;
}

.btn-particles span:nth-child(2) {
  top: 60%;
  left: 70%;
  animation-delay: 0.5s;
}

.btn-particles span:nth-child(3) {
  top: 80%;
  left: 30%;
  animation-delay: 1s;
}

.btn-particles span:nth-child(4) {
  top: 40%;
  left: 80%;
  animation-delay: 1.5s;
}

@keyframes particleFloat {
  0%,
  100% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-10px) scale(1);
  }
}

.portfolio-btn-unique:hover .btn-particles span {
  animation-play-state: running;
}

/* Disabled Button Style */
.portfolio-btn-disabled {
  position: relative;
  display: block;
  padding: 16px 24px;
  background: linear-gradient(135deg, #9ca3af, #6b7280);
  color: white;
  border: none;
  border-radius: 20px;
  cursor: not-allowed;
  opacity: 0.6;
  transition: all 0.3s ease;
}

.portfolio-btn-disabled .btn-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.portfolio-btn-disabled .btn-icon-wrapper {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-btn-disabled .btn-main-text {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-btn-disabled .btn-sub-text {
  font-size: 0.8rem;
  opacity: 0.8;
  font-weight: 400;
}

/* Remove social links completely */
.social-links-container {
  display: none !important;
}

.social-links {
  display: none !important;
}

.social-btn {
  display: none !important;
}

/* Particle Effects */
.card-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: radial-gradient(circle, #4caf50, transparent);
  border-radius: 50%;
  opacity: 0;
  left: var(--x);
  top: var(--y);
  animation: particleFloat 2s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes particleFloat {
  0%,
  100% {
    transform: translateY(0) scale(0);
    opacity: 0;
  }
  50% {
    transform: translateY(-20px) scale(1);
    opacity: 1;
  }
}

.student-card.card-hover .particle {
  animation-play-state: running;
}

/* Upload Date and Pending Status */
.upload-date,
.pending-status {
  position: absolute;
  bottom: 10px;
  right: 15px;
  font-size: 0.7rem;
  color: #666;
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.9);
  padding: 4px 8px;
  border-radius: 10px;
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  z-index: 3;
}

.student-card.card-hover .upload-date,
.student-card.card-hover .pending-status {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.pending-status {
  color: #f57c00;
  background: rgba(255, 152, 0, 0.1);
  border: 1px solid rgba(255, 152, 0, 0.3);
}

/* Enhanced filter buttons */
.filter-btn {
  position: relative;
  overflow: hidden;
  padding: 10px 20px;
  border: 2px solid #4caf50;
  background: white;
  color: #4caf50;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 0.85rem;
  margin: 5px;
}

.filter-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.filter-btn:hover::before {
  left: 100%;
}

.filter-btn:hover,
.filter-btn.active {
  background: #4caf50;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

/* Responsive design */
@media (max-width: 768px) {
  .student-card {
    margin-bottom: 20px;
  }

  .card-header {
    padding: 12px 15px;
    flex-direction: column;
    gap: 10px;
  }

  .card-body {
    padding: 20px 15px;
  }

  .student-image-container {
    width: 80px;
    height: 80px;
  }

  .student-name {
    font-size: 1rem;
  }

  .student-details {
    flex-direction: column;
    gap: 8px;
  }

  .card-actions {
    padding: 15px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
    margin: 3px;
  }

  .student-card.card-hover {
    transform: translateY(-8px) scale(1.02);
  }

  .student-card.card-hover .student-image-container {
    transform: scale(1.15);
  }

  .portfolio-btn-unique {
    padding: 0;
  }

  .btn-content {
    padding: 14px 20px;
    gap: 12px;
  }

  .btn-icon-wrapper {
    width: 35px;
    height: 35px;
  }

  .btn-main-text {
    font-size: 1rem;
  }

  .btn-sub-text {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .trainees-grid {
    grid-template-columns: 1fr;
  }

  .student-details {
    flex-direction: column;
    gap: 8px;
  }

  .filter-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .portfolio-btn-unique {
    border-radius: 15px;
  }

  .btn-content {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .btn-text-wrapper {
    align-items: center;
  }
}

/* Animation for card entrance */
@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.student-card {
  animation: cardSlideIn 0.8s ease forwards;
}

/* Additional glow effect for active cards */
@keyframes profileGlow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.4), 0 0 40px rgba(76, 175, 80, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(76, 175, 80, 0.8), 0 0 60px rgba(76, 175, 80, 0.4),
      0 0 90px rgba(76, 175, 80, 0.2);
  }
}

.student-card.card-hover.active .student-image-container {
  animation: profileGlow 2s ease-in-out infinite;
}

/* Pulsing glow for pending cards */
@keyframes pendingGlow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(255, 152, 0, 0.4), 0 0 40px rgba(255, 152, 0, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(255, 152, 0, 0.8), 0 0 60px rgba(255, 152, 0, 0.4),
      0 0 90px rgba(255, 152, 0, 0.2);
  }
}

.student-card.card-hover.pending .student-image-container {
  animation: pendingGlow 2s ease-in-out infinite;
}

/* Button Focus States for Accessibility */
.portfolio-btn-unique:focus,
.portfolio-btn-disabled:focus {
  outline: 3px solid rgba(102, 126, 234, 0.4);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .portfolio-btn-unique {
    border: 2px solid #000;
  }

  .portfolio-btn-disabled {
    border: 2px solid #666;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .portfolio-btn-unique,
  .student-image-container,
  .btn-glow,
  .btn-particles span {
    animation: none !important;
    transition: none !important;
  }

  .portfolio-btn-unique:hover {
    transform: none;
  }
}