/* 
          Programme : Techniques d'intégration multimédia 
          Auteur/Professeur : Akram Nasr 
          Courriel : Akram.Nasr@cmontmorency.qc.ca
        */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #10b981;
  --dark: #1e293b;
  --light: #f8fafc;
  --accent: #f43f5e;
  --gray: #64748b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--light);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(
    circle at top right,
    rgba(99, 102, 241, 0.1),
    transparent 400px
  );
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%236366f1' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: -1;
}

header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
  position: relative;
  overflow: hidden;
}

header::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    transparent,
    rgba(255, 255, 255, 0.1) 70%
  );
  opacity: 0.5;
  animation: pulse 15s infinite linear;
  pointer-events: none;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.02);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

.logo {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  position: relative;
  display: inline-block;
}

.logo span {
  color: var(--secondary);
  position: relative;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0px);
  }
}

.tagline {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto;
}

.author-info {
  margin-top: 1rem;
  font-size: 0.9rem;
  opacity: 0.8;
  font-style: italic;
}

main {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  position: relative;
}

.filter-btn {
  background-color: var(--light);
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: -1;
}

.filter-btn:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.filter-btn:hover::before {
  transform: translateX(0);
}

.filter-btn.active {
  background-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.filter-btn.active::before {
  transform: translateX(0);
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 2px solid var(--gray);
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.15);
}

.search-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  transition: color 0.3s ease;
}

.search-box input:focus + .search-icon {
  color: var(--primary);
}

.registry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  perspective: 1000px;
}

.registry-item {
  background-color: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  transform-style: preserve-3d;
  position: relative;
}

.registry-item:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.item-header {
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.item-header::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: translateX(-200%);
  transition: transform 0.6s ease;
}

.registry-item:hover .item-header::before {
  transform: translateX(100%);
}

.app .item-header {
  background: linear-gradient(45deg, var(--accent), #51ff00);
}

.golden .item-header {
  background: linear-gradient(45deg, var(--accent), #ffc21b);
}

.game .item-header {
  background: linear-gradient(45deg, var(--accent), #9900ff);
}

.item-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.item-type {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  backdrop-filter: blur(5px);
}

.item-body {
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.item-description {
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background-color: #e2e8f0;
  color: var(--gray);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  transition: all 0.3s ease;
  border-left: 2px solid var(--primary-dark);
}

.registry-item:hover .tag {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.visit-btn {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.visit-btn::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.visit-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.visit-btn:hover::after {
  transform: translateX(100%);
}

.app .visit-btn {
  background-color: var(--accent);
}

.app .visit-btn:hover {
  background-color: #e11d48;
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
}

footer {
  background-color: var(--dark);
  color: white;
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-content {
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  header {
    padding: 1.5rem;
  }

  .logo {
    font-size: 2rem;
  }

  main {
    padding: 1rem;
  }

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

.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--gray);
  font-size: 1.5rem;
  grid-column: 1 / -1;
}

/* Enhanced animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.registry-item {
  animation: fadeInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
  opacity: 0;
}

/* Cursor effect */
.cursor-glow {
  position: fixed;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.4) 0%,
    rgba(99, 102, 241, 0) 70%
  );
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}