/* ==================== ANIMATIONS & INTERACTIONS ==================== */

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

.pulse-animation {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease-out;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: 1.5rem;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-neutral-200);
}

.modal-header h2 {
  font-size: 1.5rem;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--color-neutral-500);
  transition: all var(--transition-base);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--color-neutral-900);
  transform: scale(1.1);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-neutral-200);
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-lg);
}

.tab-button {
  background: none;
  border: none;
  padding: var(--spacing-md) 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-neutral-600);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.tab-button.active {
  color: var(--color-primary-600);
}

.tab-button.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-600);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: slideUp 0.4s ease-out;
}

.tab-content.fade-out {
  animation: slideDown 0.3s ease-in forwards;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-neutral-300);
  border-top-color: var(--color-primary-600);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-primary-800);
  color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease-out;
  z-index: 900;
  max-width: 400px;
}

.toast.success {
  background: var(--color-success);
}

.toast.error {
  background: var(--color-error);
}

.toast.warning {
  background: var(--color-warning);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  background: white;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  border-radius: 0.5rem;
  overflow: hidden;
  z-index: 100;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
}

.dropdown.active .dropdown-menu {
  display: block;
  animation: slideDown 0.2s ease-out;
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-neutral-900);
  text-decoration: none;
  transition: background var(--transition-base);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}

.dropdown-item:hover {
  background: var(--color-neutral-50);
  color: var(--color-primary-600);
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--color-neutral-200);
  margin-bottom: 0;
  border-radius: 0.5rem;
  overflow: hidden;
}

.accordion-item:first-child {
  border-top-left-radius: 0.75rem;
  border-top-right-radius: 0.75rem;
}

.accordion-item:last-child {
  border-bottom-left-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
}

.accordion-button {
  background: white;
  border: none;
  width: 100%;
  padding: var(--spacing-lg);
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-base);
}

.accordion-button:hover {
  background: var(--color-neutral-50);
}

.accordion-button.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.accordion-icon {
  transition: transform var(--transition-base);
  font-size: 1.25rem;
}

.accordion-button.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  background: white;
  border-top: 1px solid var(--color-neutral-200);
}

.accordion-content.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

/* Slider / Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
}

.carousel-container {
  display: flex;
  transition: transform var(--transition-base);
}

.carousel-item {
  flex: 0 0 100%;
}

.carousel-controls {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-base);
}

.carousel-dot.active {
  background: white;
  width: 30px;
  border-radius: 5px;
}

.carousel-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  z-index: 10;
}

.carousel-button:hover {
  background: rgba(0, 0, 0, 0.5);
}

.carousel-button.prev {
  left: var(--spacing-lg);
}

.carousel-button.next {
  right: var(--spacing-lg);
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted var(--color-primary-600);
  cursor: help;
}

.tooltip .tooltip-text {
  visibility: hidden;
  background-color: var(--color-neutral-900);
  color: white;
  text-align: center;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tooltip .tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-neutral-900);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Responsive Mobile Menu */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    padding: var(--spacing-xl);
  }

  .carousel-button {
    width: 40px;
    height: 40px;
  }

  .tabs {
    gap: var(--spacing-sm);
    overflow-x: auto;
  }

  .tab-button {
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
  }
}

/* ==================== LIGHTBOX ==================== */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  animation: fadeIn 0.3s ease-out;
}

.lightbox.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  animation: slideUp 0.4s ease-out;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  background: none;
  border: none;
  transition: transform var(--transition-base);
  z-index: 2001;
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  padding: 10px 15px;
  border-radius: 3px;
  transition: background var(--transition-base);
  z-index: 2001;
}

.lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(0, 0, 0, 0.8);
}

.lightbox-prev {
  left: 10px;
}

.lightbox-next {
  right: 10px;
}

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  background: rgba(0, 0, 0, 0.7);
  padding: 10px 20px;
  border-radius: 5px;
  text-align: center;
  max-width: 80%;
}

@media (max-width: 768px) {
  .lightbox-prev, .lightbox-next {
    font-size: 20px;
    padding: 8px 12px;
  }

  .lightbox-close {
    top: 10px;
    right: 10px;
    font-size: 30px;
  }

  .lightbox-caption {
    bottom: 10px;
    font-size: 0.875rem;
    padding: 8px 15px;
  }
}