.dashboard-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  animation: fadeIn 0.6s ease-out;
}

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

.credits-card {
  background: linear-gradient(135deg, var(--white) 0%, var(--blue-50) 100%);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  grid-row: span 2;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--blue-100);
  position: relative;
  overflow: hidden;
}

.credits-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.credits-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.credits-card h2 {
  color: var(--blue-700);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.credits-count {
  font-size: 4.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 1.5rem 0;
  position: relative;
  z-index: 1;
  letter-spacing: -0.03em;
}

.credits-card p {
  color: var(--grey-500);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.upcoming-classes,
.selected-class {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--grey-200);
}

.upcoming-classes:hover,
.selected-class:hover {
  box-shadow: var(--shadow-lg);
}

.upcoming-classes h2,
.selected-class h2 {
  color: var(--blue-700);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--blue-100);
}

.class-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.class-card {
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--light-blue) 100%);
  padding: 1.75rem;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.class-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, transparent 50%, rgba(33, 150, 243, 0.1) 50%);
  border-radius: 0 0 0 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translate(50%, -50%);
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(33, 150, 243, 0.2);
  border-color: var(--blue-300);
}

.class-card:hover::after {
  transform: translate(40%, -40%) scale(1.2);
}

.class-card.selected {
  border-color: var(--blue-500);
  background: linear-gradient(135deg, var(--blue-100) 0%, var(--blue-200) 100%);
  box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}

.class-card h3 {
  color: var(--blue-700);
  margin-bottom: 1rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.class-info {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--grey-500);
  position: relative;
  z-index: 1;
}

.zoom-link {
  margin-top: 2rem;
  text-align: center;
}

.zoom-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--success-green), #45a049);
  color: var(--white);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(76, 175, 80, 0.3);
}

.zoom-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.no-selection {
  text-align: center;
  color: var(--grey-500);
  padding: 3rem 2rem;
  background: linear-gradient(135deg, var(--grey-50) 0%, var(--grey-100) 100%);
  border-radius: 16px;
  font-weight: 500;
}

.selected-class-content {
  margin-top: 1.5rem;
}

.selected-class-content h3 {
  color: var(--blue-700);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.selected-class-details {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  background: var(--grey-50);
  border-radius: 10px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.detail-row:hover {
  background: var(--blue-50);
  border-left-color: var(--blue-500);
  transform: translateX(4px);
}

.schedule-container {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--grey-200);
  animation: fadeIn 0.6s ease-out;
}

.schedule-container h2 {
  color: var(--blue-700);
  font-size: 1.75rem;
  margin-bottom: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--blue-100);
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 280px 1fr;
    gap: 24px;
  }

  .credits-count {
    font-size: 3.5rem;
  }
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .credits-card {
    grid-row: auto;
  }

  .credits-count {
    font-size: 3rem;
  }

  .upcoming-classes,
  .selected-class,
  .credits-card,
  .schedule-container {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .credits-count {
    font-size: 2.5rem;
  }

  .upcoming-classes h2,
  .selected-class h2,
  .schedule-container h2 {
    font-size: 1.25rem;
  }

  .class-card {
    padding: 1.5rem;
  }
}