/* COURSES PAGE CSS */
.course-filters-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 98px;
  z-index: 50;
  backdrop-filter: blur(20px);
}

.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 640px) {
  .filter-tabs { justify-content: flex-start; }
}

.filter-tab {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.875rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.filter-tab.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Course Card */
.course-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-med);
  position: relative;
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.course-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-primary);
}

.badge-bestseller {
  background: linear-gradient(135deg,#F59E0B,#EF4444);
  color: white;
}

.badge-popular {
  background: linear-gradient(135deg,#7C3AED,#06B6D4);
  color: white;
}

.badge-new {
  background: linear-gradient(135deg,#10B981,#06B6D4);
  color: white;
}

.course-thumb {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.course-thumb-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.course-thumb-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
}

.course-emoji {
  font-size: 4rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.course-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.course-title {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-primary);
}

.course-desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.course-meta-item span {
  font-weight: 500;
  color: var(--text-secondary);
}

.course-includes {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.includes-title {
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-primary);
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.course-includes ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
}

.course-includes li {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.course-includes li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.course-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-glass);
}

.course-price {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.price-original {
  font-size: 0.83rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-current {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  padding: 1rem;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 460px;
  width: 100%;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-med);
  text-align: center;
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

#modalCourseName {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 800;
}

/* Responsive */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .courses-grid { grid-template-columns: 1fr; }
}

/* ===========================
   ENROLLMENT FORM MODAL
=========================== */
.enroll-modal {
  max-width: 520px;
  padding: 2rem 2.25rem 2.25rem;
  max-height: 90vh;
  overflow-y: auto;
  scrollbar-width: thin;
}

.enroll-modal::-webkit-scrollbar { width: 4px; }
.enroll-modal::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

.enroll-step {
  display: none;
}

.enroll-step.active {
  display: block;
  animation: fadeSlideIn 0.4s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Enroll Header */
.enroll-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.enroll-icon-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.enroll-icon-bg {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.15;
  animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); opacity: 0.15; }
  50% { transform: scale(1.15); opacity: 0.25; }
}

.enroll-icon {
  font-size: 2.25rem;
  position: relative;
  z-index: 1;
}

#modalCourseName {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.enroll-subtitle {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* Form */
.enroll-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
  background: var(--bg-glass-hover);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Delivery Options */
.delivery-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.delivery-option {
  cursor: pointer;
}

.delivery-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.delivery-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0.85rem;
  background: var(--bg-glass);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.delivery-option input[type="radio"]:checked + .delivery-card {
  border-color: var(--primary);
  background: rgba(124,58,237,0.08);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.delivery-option:hover .delivery-card {
  border-color: var(--primary-light);
  background: var(--bg-glass-hover);
}

.delivery-card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.delivery-card-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.delivery-card-text strong {
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.delivery-card-text small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Submit Button */
.enroll-submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
  font-size: 1rem;
  padding: 0.85rem 2rem;
}

.enroll-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Success Step */
.success-animation {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.success-circle {
  width: 72px;
  height: 72px;
  color: var(--success);
  animation: successBounce 0.6s ease;
}

@keyframes successBounce {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.success-check {
  width: 100%;
  height: 100%;
}

.success-check circle {
  stroke-dasharray: 160;
  stroke-dashoffset: 160;
  animation: drawCircle 0.6s ease-out 0.2s forwards;
}

@keyframes drawCircle {
  to { stroke-dashoffset: 0; }
}

.success-check path {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: drawCheck 0.4s ease-out 0.6s forwards;
}

@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

.success-title {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
}

.success-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.6;
}

/* Mobile adjustments for form */
@media (max-width: 480px) {
  .enroll-modal {
    padding: 1.5rem;
  }
  .delivery-options {
    grid-template-columns: 1fr;
  }
}