* {margin: 0;padding: 0;box-sizing: border-box;font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;}
        body { background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); color: var(--text-color); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px;  }
        header { text-align: center; margin-bottom: 40px; padding: 20px; background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); color: white; border-radius: 10px; box-shadow: var(--card-shadow); position: relative; overflow: hidden; }
        header::before {  content: "";  position: absolute;  top: -50%;  left: -50%;  width: 200%;  height: 200%;  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);  transform: rotate(30deg);  animation: shine 8s infinite linear;  }
        @keyframes shine {  0% { transform: rotate(30deg) translate(-10%, -10%); }  100% { transform: rotate(30deg) translate(10%, 10%); } }
        h1 {  font-size: 2.5rem;  margin-bottom: 10px;  position: relative;  }
        .subtitle { font-size: 1.2rem; opacity: 0.9;  }
        .week-container {  display: flex;  flex-direction: column;  gap: 30px;  margin-bottom: 40px;  }
        .day-section {  background: var(--day-card-bg);  border-radius: 15px;  box-shadow: var(--card-shadow);  overflow: hidden; }
        .day-header {  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));  color: white;  padding: 15px 20px;  display: flex;  align-items: center;  justify-content: space-between;  }
        .day-title { font-size: 1.5rem; font-weight: bold; }
        .day-classes { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; padding: 20px; }
        .class-card { background: white; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); transition: all 0.3s ease; border: 1px solid #eee;  }
        .class-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); }
        .class-card-header { background: linear-gradient(to right, #f6f7f9, #e9ebee); padding: 12px 15px; border-bottom: 1px solid #eee; }
        .class-card-header h3 {  font-size: 1.2rem;  color: var(--primary-color);  margin-bottom: 5px;}
        .class-card-body {  padding: 15px; }
        .class-info { margin-bottom: 12px;  }
        .class-info-item {  display: flex;  align-items: flex-start;  margin-bottom: 8px;  }
        .class-info-item i {  width: 25px;  color: var(--primary-color);  font-size: 1rem;  margin-top: 3px;  }
        .join-btn { display: block; width: 100%; padding: 10px; background: var(--accent-color); color: var(--text-color); border: none; border-radius: 6px; font-weight: bold; cursor: pointer; transition: all 0.3s ease; text-align: center; text-decoration: none; font-size: 0.9rem; }
        .join-btn:hover {  background: #f8d347;  transform: translateY(-2px); }
        .simulator-badge { background: var(--accent-color); color: var(--text-color); padding: 3px 10px; border-radius: 20px; font-size: 0.8rem; font-weight: bold; display: inline-block; margin-left: 10px;  }
        .time-badge { background: rgba(78, 84, 200, 0.1); padding: 3px 10px; border-radius: 20px; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 5px; color: var(--primary-color); }
        .empty-state { text-align: center; padding: 30px; color: #666; font-size: 1.1rem; grid-column: 1 / -1; }
        @media (max-width: 768px) {
        .day-classes { grid-template-columns: 1fr;  }  h1 { font-size: 2rem;   }
        .day-header { flex-direction: column; align-items: flex-start; gap: 10px;   }  }
        .back-btn { display: inline-block; padding: 10px 20px; background: linear-gradient(to right, #6c757d, #495057); color: white; border: none; border-radius: 50px; cursor: pointer; font-weight: bold; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); text-decoration: none; margin: 10px; text-align: center;  }
        .back-btn:hover {  transform: translateY(-3px);  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);  background: linear-gradient(to right, #5a6268, #3d4348);  }
        .top-back-btn { top: 10px; z-index: 100;  }
        .bottom-back-btn {  bottom: 10px;  z-index: 100;  margin-top: 20px;  }
        .action-buttons { display: flex; justify-content: center; gap: 15px; margin: 30px 0; flex-wrap: wrap; }
        .action-btn { padding: 12px 25px; background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); color: white; border: none; border-radius: 50px; cursor: pointer; font-weight: bold; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); align-items: center; gap: 10px; font-size: 1rem; justify-content: center; }
        .action-btn:hover {  transform: translateY(-3px);  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2); }
        .action-btn i { font-size: 1.2rem; }
        .klasss-btn { padding: 5px 5px; background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); color: white; border: none; border-radius: 50px; cursor: pointer; font-weight: bold; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); align-items: center; gap: 10px; font-size: 1rem; justify-content: center; }
        .klasss-btn:hover { transform: translateY(-3px); box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2); }
        .klasss-btn i {  font-size: 1.2rem;  }
        .modal {  display: none;  position: fixed;  top: 0;  left: 0;  width: 100%;  height: 100%;  background-color: var(--modal-bg);  z-index: 1000;  overflow-y: auto;  }
        .modal-content { background-color: white; margin: 5% auto; padding: 30px; border-radius: 15px; width: 90%; max-width: 800px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); position: relative; animation: modalFadeIn 0.3s ease-out;  }
        @keyframes modalFadeIn { from { opacity: 0; transform: translateY(-50px); } to { opacity: 1; transform: translateY(0); }  }
        .close-modal { position: absolute; top: 15px; left: 15px; font-size: 1.5rem; color: #777; cursor: pointer; transition: all 0.3s ease; }
        .close-modal:hover {  color: var(--primary-color);  transform: rotate(90deg); }
        .modal-title { text-align: center; margin-bottom: 20px; color: var(--primary-color); font-size: 1.8rem; }
        .modal-body { margin-bottom: 25px; line-height: 1.8;  }
        .modal-footer {  display: flex;  justify-content: center;  gap: 15px;  flex-wrap: wrap; }
        .modal-btn {  padding: 10px 25px;  border: none;  border-radius: 50px;  cursor: pointer;  font-weight: bold;  transition: all 0.3s ease;  display: flex;  align-items: center;  gap: 8px; }
        .modal-btn-primary {  background: linear-gradient(to right, var(--primary-color), var(--secondary-color)); color: white;  }
        .modal-btn-success {  background: linear-gradient(to right, var(--success-color), var(--secondary-color)); color: white;  }
        .modal-btn-secondary {  background: #f1f1f1;  color: #555; }
        .modal-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);  }
        .video-container { position: relative; padding-bottom: 56.25%; /* 16:9 Aspect Ratio */ height: 0; overflow: hidden; margin-bottom: 20px; border-radius: 10px; background: #000; } 
        .video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
        .product-card { display: flex; align-items: center; gap: 20px; background: #f9f9f9; padding: 20px; border-radius: 10px; margin-bottom: 20px;}
        .product-image {  width: 150px;  height: 200px;  background: #eee;  border-radius: 8px;  display: flex;  align-items: center;  justify-content: center;  font-size: 3rem;  color: #666; }
        .product-info { flex: 1;}
        .product-title { font-size: 1.5rem; margin-bottom: 10px; color: var(--primary-color); }
        .product-price {  font-size: 1.3rem;  font-weight: bold;  color: #e63946;  margin-bottom: 10px; }
        .benefits-list { list-style-type: none; margin: 20px 0; }
        .benefits-list li {  margin-bottom: 10px;  position: relative;  padding-right: 25px; }
        .benefits-list li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: 0; color: var(--primary-color); }
        @media (max-width: 768px) { .action-buttons { flex-direction: column; align-items: center; } .action-btn { width: 100%; max-width: 300px; } .modal-content {  margin: 10% auto;  width: 95%;  padding: 20px;  } .product-card {  flex-direction: column;  } .product-image {  width: 100%;  height: 150px; }  }