/* ============================================
   Component Styles - learn.botgui.de LMS
   ============================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 32px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--secondary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--primary);
  color: var(--secondary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--primary);
  border: none;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--primary-light);
}

.btn-ghost.active {
  background-color: var(--primary);
  color: var(--secondary);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 18px 40px;
  font-size: var(--font-size-lg);
}

/* Button Ripple Effect */
.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--bg-light);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--bg-light);
  background: var(--bg-light);
}

/* Course Card */
.course-card {
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.course-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.course-card-image-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, #3A9FB0 100%);
}

.course-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.course-card:hover .course-card-image {
  transform: scale(1.1);
}

.course-card-overlay {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 1;
}

.course-card-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-instructor {
  font-size: var(--font-size-sm);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-light);
  flex-wrap: wrap;
}

.course-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.course-card-meta i {
  color: var(--primary);
}

.course-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--bg-light);
  margin-top: auto;
}

.course-card-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
}

.badge-success {
  background-color: rgba(74, 189, 112, 0.1);
  color: var(--success);
}

.badge-warning {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--warning);
}

.badge-error {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--error);
}

.badge-level-beginner {
  background-color: rgba(74, 189, 112, 0.1);
  color: var(--success);
}

.badge-level-intermediate {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--warning);
}

.badge-level-advanced {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--error);
}

/* Input Fields */
.input-group {
  margin-bottom: var(--spacing-lg);
}

.input-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-dark);
}

.input {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--text-dark);
  background-color: var(--bg-white);
  border: 2px solid var(--bg-light);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.input:disabled {
  background-color: var(--bg-light);
  cursor: not-allowed;
}

.input-error {
  border-color: var(--error);
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.input-message {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.input-message-error {
  color: var(--error);
}

.input-message-success {
  color: var(--success);
}

/* Textarea */
.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-light);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  border-radius: var(--border-radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  max-width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  opacity: 0;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--bg-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--text-light);
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
  transition: color var(--transition-base);
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--bg-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* Navigation */
.navbar {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.navbar-link {
  color: var(--text-dark);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

.navbar-link:hover {
  color: var(--primary);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-base);
}

.navbar-link:hover::after {
  width: 100%;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--secondary);
  padding: var(--spacing-4xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--secondary);
  margin-bottom: var(--spacing-md);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* Tables */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--border-radius);
  border: 1px solid var(--bg-light);
  background: var(--bg-white);
}

th, td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--bg-light);
}

thead th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: var(--font-weight-semibold);
  border-bottom: 2px solid var(--primary);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--bg-light);
}

/* Callouts */
.callout {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  border-left: 4px solid var(--info);
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(25, 124, 142, 0.05);
  border-radius: var(--border-radius);
  margin: var(--spacing-md) 0;
}

.callout.warn {
  border-left-color: var(--warning);
  background: rgba(243, 156, 18, 0.05);
}

.callout.ok {
  border-left-color: var(--success);
  background: rgba(74, 189, 112, 0.05);
}

.callout.info {
  border-left-color: var(--info);
  background: rgba(25, 124, 142, 0.05);
}

.callout > div:first-child {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.callout > div:last-child {
  flex: 1;
}

/* Legend */
.legend {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin: var(--spacing-lg) 0;
}

.legend span {
  display: inline-flex;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px dashed var(--bg-light);
  border-radius: var(--border-radius-full);
  background: var(--bg-white);
  font-size: var(--font-size-sm);
}

.legend i {
  width: 12px;
  height: 12px;
  border-radius: var(--border-radius-sm);
  display: inline-block;
}

.legend .red i {
  background: var(--error);
}

.legend .green i {
  background: var(--success);
}

/* Monospace text */
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-light);
}

/* KPI Chips */
.kpi {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.chip {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--secondary);
}

/* Mermaid Diagrams */
.mermaid {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--bg-light);
  margin: var(--spacing-md) 0;
  overflow-x: auto;
  overflow-y: hidden;
  text-align: center;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

/* Mermaid container wrapper for better styling */
.mermaid-container {
  background: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin: var(--spacing-md) 0;
  overflow-x: auto;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
}

.mermaid-container:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Fullscreen Modal for Mermaid */
.mermaid-fullscreen {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  padding: var(--spacing-4xl);
  overflow: auto;
  animation: fadeIn 0.3s ease-in-out;
}

.mermaid-fullscreen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mermaid-fullscreen-content {
  background: var(--bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-2xl);
  max-width: 95%;
  max-height: 95%;
  overflow: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.mermaid-fullscreen-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--primary);
  color: var(--secondary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  z-index: 10001;
}

.mermaid-fullscreen-close:hover {
  background: var(--primary-hover);
  transform: rotate(90deg);
}

.mermaid-fullscreen .mermaid {
  min-height: auto;
  padding: var(--spacing-xl);
  background: var(--bg-white);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mermaid-fullscreen .mermaid svg {
  width: 100% !important;
  height: auto !important;
  max-width: 100%;
  min-width: 800px;
  transform-origin: center;
}

.mermaid-fullscreen-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .mermaid {
    min-height: 250px;
    padding: var(--spacing-md);
  }
  
  .mermaid-container {
    padding: var(--spacing-md);
  }

  .mermaid-fullscreen {
    padding: var(--spacing-lg);
  }

  .mermaid-fullscreen-content {
    padding: var(--spacing-lg);
    max-width: 100%;
    max-height: 100%;
  }
}