/* Modern Assets Page Styling */
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-image: url("../../images/bg/assetsres.webp");
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  position: relative;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  color: #ffffff;
  overflow-y: auto;
}

/* Dark overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: -1;
}

main {
  padding: 80px 20px;
}

/* Main Container */
#assets-container {
  max-width: 1400px;
  margin: 0 auto;
  animation: fadeIn 1s ease;
}

/* Header Section */
.assets-header {
  text-align: center;
  margin-bottom: 70px;
}

.assets-header h1 {
  font-size: 3.5rem;
  margin-bottom: 25px;
  color: #ffffff;
  background: linear-gradient(135deg, #ffffff, #ff85c5, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(255, 105, 180, 0.5);
  letter-spacing: 1px;
  font-weight: 800;
}

.assets-description {
  max-width: 850px;
  margin: 0 auto;
  font-size: 1.25rem;
  line-height: 1.8;
  color: #f0f0f0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Assets Grid */
.assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 35px;
  margin-bottom: 70px;
}

.assets-card {
  height: 100%;
  border-radius: 25px;
  overflow: hidden;
  position: relative;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 
    0 12px 35px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  text-decoration: none;
  color: white;
  display: block;
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.assets-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.assets-card:hover::after {
  opacity: 1;
}

.assets-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(106, 13, 173, 0.9),
    rgba(142, 45, 226, 0.9)
  );
  z-index: 1;
  opacity: 0.9;
  transition: opacity 0.5s ease;
}

.assets-card.music::before {
  /* Sayori's hair color */
  background: linear-gradient(
    135deg,
    rgba(255, 73, 73, 0.9),
    rgba(50, 0, 0, 0.9)
  );
}

.assets-card.art::before {
  /* Yuri's hair color */
  background: linear-gradient(
    135deg,
    rgba(61, 42, 93, 0.9),
    rgba(20, 10, 40, 0.9)
  );
}

.assets-card.code::before {
  /* Monika's eye color */
  background: linear-gradient(
    135deg,
    rgba(76, 175, 80, 0.9),
    rgba(20, 60, 25, 0.9)
  );
}

.assets-card.gui::before {
  /* Natsuki's hair color */
  background: linear-gradient(
    135deg,
    rgba(255, 105, 180, 0.9),
    rgba(100, 30, 70, 0.9)
  );
}

.assets-card.characters::before {
  /* Orange and blue gradient */
  background: linear-gradient(
    135deg,
    rgba(255, 140, 0, 0.9),
    rgba(30, 144, 255, 0.9)
  );
}

.assets-card:hover {
  transform: translateY(-15px) scale(1.03);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

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

.assets-content {
  position: relative;
  padding: 40px 32px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.icon-container {
  width: 240px;
  height: 240px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 auto 25px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.25);
  box-shadow: 
    0 6px 20px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(10px);
}

.assets-card:hover .icon-container {
  transform: scale(1.08) rotate(5deg);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
}

.asset-icon {
  width: 220px;
  height: 220px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-radius: 12%;
}

.assets-card:hover .asset-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.5));
}

.assets-card h2 {
  font-size: 2.2rem;
  margin-bottom: 18px;
  color: #ffffff;
  text-shadow: 
    0 3px 8px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(255, 255, 255, 0.3);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.assets-card p {
  font-size: 1.12rem;
  line-height: 1.7;
  margin-bottom: 25px;
  color: #f5f5f5;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 25px;
}

.feature-list li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
  color: rgba(255, 255, 255, 0.9);
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: white;
  font-weight: bold;
}

.explore-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 26px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  margin-top: auto;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  letter-spacing: 0.3px;
  box-shadow: 
    0 4px 15px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.assets-card:hover .explore-button {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.explore-button svg {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.assets-card:hover .explore-button svg {
  transform: translateX(8px);
}

/* Footer Section */
.assets-footer {
  background: rgba(30, 30, 40, 0.85);
  border-radius: 15px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.assets-footer h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  color: #ffffff;
  text-shadow: 0 0 5px rgba(255, 105, 180, 0.4);
}

.assets-footer p {
  max-width: 700px;
  margin: 0 auto 25px;
  font-size: 1.1rem;
  color: #e0e0e0;
}

.contribute-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6a0dad, #4b0082);
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.contribute-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  background: linear-gradient(135deg, #8e2de2, #4a00e0);
}

.contribute-button svg {
  transition: transform 0.3s ease;
}

.contribute-button:hover svg {
  transform: rotate(90deg);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 768px) {
  .assets-header h1 {
    font-size: 2.2rem;
  }

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

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

  .assets-card {
    height: auto;
  }

  .assets-footer {
    padding: 30px 20px;
  }

  .assets-footer h2 {
    font-size: 1.8rem;
  }
}

/* Improved Responsive Styles */
@media (max-width: 768px) {
  #assets-container {
    margin: 40px 15px;
    padding: 25px 15px;
  }

  .assets-header h1 {
    font-size: 2rem;
    margin-bottom: 15px;
  }

  .assets-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  .assets-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .assets-card {
    height: auto;
    padding: 15px;
  }

  .assets-content {
    padding: 0;
  }

  .icon-container {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
  }

  .asset-icon {
    width: 60px;
    height: 60px;
  }

  .assets-card h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }

  .assets-card p {
    font-size: 0.9rem;
    margin-bottom: 10px;
  }

  .assets-footer {
    padding: 25px 15px;
    margin-top: 25px;
  }

  .assets-footer h2 {
    font-size: 1.5rem;
  }

  .assets-footer p {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  .contribute-button {
    width: 100%;
    padding: 12px 15px;
    font-size: 0.95rem;
  }

  /* Improve touchable areas for mobile */
  .assets-card,
  .contribute-button {
    min-height: 44px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .assets-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 2560px) {
  #assets-container {
    max-width: 1800px;
  }

  .assets-header h1 {
    font-size: 4rem;
  }

  .assets-description {
    font-size: 1.4rem;
    max-width: 1000px;
  }

  .assets-grid {
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
  }

  .assets-card h2 {
    font-size: 2.5rem;
  }

  .assets-card p {
    font-size: 1.3rem;
  }
}