/**
 * Dear Sticky - Frontend Styles
 *
 * @package Dear_Sticky
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  --drstk-primary: #6366f1;
  --drstk-success: #10b981;
  --drstk-error: #ef4444;
  --drstk-white: #ffffff;
  --drstk-dark: #1f2937;
  --drstk-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  --drstk-shadow-hover: 0 6px 30px rgba(0, 0, 0, 0.25);
  --drstk-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --drstk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

/* ============================================
   Floating Button Wrapper
   ============================================ */
.drstk-floating-wrapper {
  position: fixed;
  z-index: 999998;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--drstk-font);
}

/* Position variants */
.drstk-pos-bottom-right {
  bottom: 24px;
  right: 24px;
}

.drstk-pos-bottom-left {
  bottom: 24px;
  left: 24px;
}

.drstk-pos-top-right {
  top: 24px;
  right: 24px;
}

.drstk-pos-top-left {
  top: 24px;
  left: 24px;
}

/* ============================================
   Floating Button
   ============================================ */
.drstk-floating-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--drstk-white);
  text-decoration: none;
  box-shadow: var(--drstk-shadow);
  transition: var(--drstk-transition);
  cursor: pointer;
  border: none;
  outline: none;
}

.drstk-floating-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--drstk-shadow-hover);
  color: var(--drstk-white);
  text-decoration: none;
}

.drstk-floating-btn:active {
  transform: scale(0.95);
}

.drstk-floating-btn i {
  font-size: inherit;
  line-height: 1;
}

/* Size variants */
.drstk-size-small {
  width: 48px;
  height: 48px;
  font-size: 20px;
}

.drstk-size-medium {
  width: 56px;
  height: 56px;
  font-size: 24px;
}

.drstk-size-large {
  width: 64px;
  height: 64px;
  font-size: 28px;
}

/* Pulse animation */
.drstk-btn-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  opacity: 0;
  z-index: -1;
  animation: drstk-pulse 2s infinite;
}

@keyframes drstk-pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.drstk-floating-btn:hover .drstk-btn-pulse {
  animation-play-state: paused;
}

/* ============================================
   Tooltip
   ============================================ */
.drstk-tooltip {
  position: absolute;
  background: var(--drstk-dark);
  color: var(--drstk-white);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--drstk-transition);
  pointer-events: none;
  box-shadow: var(--drstk-shadow);
}

.drstk-tooltip::after {
  content: "";
  position: absolute;
  border: 6px solid transparent;
}

/* Tooltip positions based on button position */
.drstk-pos-bottom-right .drstk-tooltip,
.drstk-pos-top-right .drstk-tooltip {
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(10px);
}

.drstk-pos-bottom-right .drstk-tooltip::after,
.drstk-pos-top-right .drstk-tooltip::after {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-left-color: var(--drstk-dark);
}

.drstk-pos-bottom-left .drstk-tooltip,
.drstk-pos-top-left .drstk-tooltip {
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(-10px);
}

.drstk-pos-bottom-left .drstk-tooltip::after,
.drstk-pos-top-left .drstk-tooltip::after {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-right-color: var(--drstk-dark);
}

.drstk-floating-wrapper:hover .drstk-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* ============================================
   Feedback Modal
   ============================================ */
.drstk-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  font-family: var(--drstk-font);
}

.drstk-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.drstk-modal-content {
  position: relative;
  background: var(--drstk-white);
  border-radius: 16px;
  padding: 32px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: drstk-modalIn 0.3s ease-out;
}

@keyframes drstk-modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.drstk-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  transition: var(--drstk-transition);
}

.drstk-modal-close:hover {
  background: #e5e7eb;
  color: var(--drstk-dark);
}

.drstk-modal-header {
  margin-bottom: 24px;
  text-align: center;
}

.drstk-modal-title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--drstk-dark);
}

/* ============================================
   Feedback Form
   ============================================ */
.drstk-feedback-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.drstk-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drstk-form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--drstk-dark);
}

.drstk-form-group input,
.drstk-form-group textarea {
  padding: 12px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--drstk-font);
  transition: var(--drstk-transition);
  outline: none;
  background: #f9fafb;
}

.drstk-form-group input:focus,
.drstk-form-group textarea:focus {
  border-color: var(--drstk-primary);
  background: var(--drstk-white);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.drstk-form-group input::placeholder,
.drstk-form-group textarea::placeholder {
  color: #9ca3af;
}

.drstk-form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.drstk-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--drstk-primary);
  color: var(--drstk-white);
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--drstk-font);
  cursor: pointer;
  transition: var(--drstk-transition);
  margin-top: 8px;
}

.drstk-submit-btn:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.drstk-submit-btn:active {
  transform: translateY(0);
}

.drstk-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.drstk-form-message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
}

.drstk-form-message.drstk-success {
  background: #d1fae5;
  color: #065f46;
}

.drstk-form-message.drstk-error {
  background: #fee2e2;
  color: #991b1b;
}

/* ============================================
   Scroll to Top - Hidden by default
   ============================================ */
.drstk-floating-wrapper[data-scroll-top] {
  opacity: 0;
  visibility: hidden;
  transition: var(--drstk-transition);
}

.drstk-floating-wrapper[data-scroll-top].drstk-visible {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
  .drstk-floating-wrapper {
    gap: 10px;
  }
}

/* Mobile devices */
@media (max-width: 768px) {
  :root {
    --drstk-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    --drstk-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.2);
  }

  .drstk-floating-wrapper {
    gap: 8px;
  }

  /* Adjust button sizes for mobile */
  .drstk-size-large {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .drstk-size-medium {
    width: 50px;
    height: 50px;
    font-size: 22px;
  }

  /* Improved touch targets */
  .drstk-floating-btn {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
}

@media (max-width: 480px) {
  .drstk-pos-bottom-right,
  .drstk-pos-bottom-left {
    bottom: 16px;
  }

  .drstk-pos-bottom-right,
  .drstk-pos-top-right {
    right: 16px;
  }

  .drstk-pos-bottom-left,
  .drstk-pos-top-left {
    left: 16px;
  }

  .drstk-pos-top-right,
  .drstk-pos-top-left {
    top: 16px;
  }

  .drstk-tooltip {
    display: none;
  }

  .drstk-modal-content {
    padding: 24px;
    border-radius: 12px;
  }

  .drstk-size-small {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .drstk-size-medium {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

/* Landscape orientation on mobile */
@media (max-width: 896px) and (orientation: landscape) {
  .drstk-pos-bottom-right,
  .drstk-pos-bottom-left {
    bottom: 12px;
  }

  .drstk-pos-top-right,
  .drstk-pos-top-left {
    top: 12px;
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .drstk-scroll-progress {
    transition: none !important;
  }
}

/* Force light mode - override system preferences */
.drstk-modal-content,
.drstk-form-group input,
.drstk-form-group textarea {
  background: #ffffff !important;
  color: #1f2937 !important;
}

.drstk-form-group label {
  color: #1f2937 !important;
}

.drstk-modal-title {
  color: #1f2937 !important;
}

.drstk-modal-close {
  background: #f3f4f6 !important;
  color: #6b7280 !important;
}

.drstk-modal-close:hover {
  background: #e5e7eb !important;
  color: #1f2937 !important;
}

/* ============================================
   Notification Bar
   ============================================ */
.drstk-notification-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999999;
  padding: 12px 20px;
  font-family: var(--drstk-font);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: drstk-slide-down 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: top;
}

.drstk-notification-bar.drstk-hiding {
  animation: drstk-slide-up 0.3s cubic-bezier(0.4, 0, 1, 1) forwards;
}

.drstk-notification-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.drstk-notification-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

.drstk-notification-content p {
  margin: 0;
}

.drstk-notification-content a {
  color: inherit;
  text-decoration: underline;
  font-weight: 500;
}

.drstk-notification-content a:hover {
  text-decoration: none;
}

.drstk-notification-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.2s ease;
  padding: 0;
  color: inherit;
}

.drstk-notification-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
  transform: scale(1.1);
}

.drstk-notification-close:active {
  transform: scale(0.95);
}

.drstk-notification-close svg {
  width: 20px;
  height: 20px;
}

/* Animations */
@keyframes drstk-slide-down {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes drstk-slide-up {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(-100%);
    opacity: 0;
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .drstk-notification-bar {
    padding: 10px 16px;
  }

  .drstk-notification-content {
    font-size: 13px;
  }

  .drstk-notification-close {
    width: 28px;
    height: 28px;
  }

  .drstk-notification-close svg {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 480px) {
  .drstk-notification-bar {
    padding: 8px 12px;
  }

  .drstk-notification-content {
    font-size: 12px;
  }

  .drstk-notification-container {
    gap: 8px;
  }
}
/* ============================================
   Multiple Buttons Mode
   ============================================ */
.drstk-floating-wrapper.drstk-multiple-mode {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drstk-floating-wrapper.drstk-multiple-mode .drstk-multi-btn {
  opacity: 0;
  transform: translateY(10px);
  animation: drstk-fadeInUp 0.4s ease forwards;
  animation-delay: calc(var(--button-index, 0) * 0.1s);
}

@keyframes drstk-fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Multiple buttons stacking */
.drstk-pos-bottom-right.drstk-multiple-mode,
.drstk-pos-bottom-left.drstk-multiple-mode {
  flex-direction: column-reverse;
}

.drstk-pos-top-right.drstk-multiple-mode,
.drstk-pos-top-left.drstk-multiple-mode {
  flex-direction: column;
}

/* ============================================
   Responsive Adjustments for Multiple Buttons
   ============================================ */
@media (max-width: 768px) {
  .drstk-floating-wrapper.drstk-multiple-mode {
    gap: 10px;
  }

  .drstk-pos-bottom-right.drstk-multiple-mode,
  .drstk-pos-bottom-left.drstk-multiple-mode {
    bottom: 20px;
  }

  .drstk-pos-top-right.drstk-multiple-mode,
  .drstk-pos-top-left.drstk-multiple-mode {
    top: 20px;
  }

  .drstk-pos-bottom-right.drstk-multiple-mode,
  .drstk-pos-top-right.drstk-multiple-mode {
    right: 20px;
  }

  .drstk-pos-bottom-left.drstk-multiple-mode,
  .drstk-pos-top-left.drstk-multiple-mode {
    left: 20px;
  }
}

@media (max-width: 480px) {
  .drstk-floating-wrapper.drstk-multiple-mode {
    gap: 8px;
  }

  .drstk-pos-bottom-right.drstk-multiple-mode,
  .drstk-pos-bottom-left.drstk-multiple-mode {
    bottom: 16px;
  }

  .drstk-pos-top-right.drstk-multiple-mode,
  .drstk-pos-top-left.drstk-multiple-mode {
    top: 16px;
  }

  .drstk-pos-bottom-right.drstk-multiple-mode,
  .drstk-pos-top-right.drstk-multiple-mode {
    right: 16px;
  }

  .drstk-pos-bottom-left.drstk-multiple-mode,
  .drstk-pos-top-left.drstk-multiple-mode {
    left: 16px;
  }

  /* Slightly reduce button size on mobile for multiple buttons */
  .drstk-floating-wrapper.drstk-multiple-mode .drstk-size-large {
    width: 60px;
    height: 60px;
    font-size: 26px;
  }

  .drstk-floating-wrapper.drstk-multiple-mode .drstk-size-medium {
    width: 52px;
    height: 52px;
    font-size: 22px;
  }

  .drstk-floating-wrapper.drstk-multiple-mode .drstk-size-small {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

/* ============================================
   Orbital Hub System
   ============================================ */
.drstk-orbital-hub {
  position: fixed;
  z-index: 999998;
  font-family: var(--drstk-font);
}

/* Position variants for orbital hub */
.drstk-orbital-hub.drstk-pos-bottom-right {
  bottom: 24px;
  right: 24px;
}

.drstk-orbital-hub.drstk-pos-bottom-left {
  bottom: 24px;
  left: 24px;
}

.drstk-orbital-hub.drstk-pos-top-right {
  top: 24px;
  right: 24px;
}

.drstk-orbital-hub.drstk-pos-top-left {
  top: 24px;
  left: 24px;
}

/* Hub Icon (Center Button) */
.drstk-hub-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--drstk-white);
  border: none;
  outline: none;
  cursor: pointer;
  box-shadow: var(--drstk-shadow);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 10;
}

.drstk-hub-icon:hover {
  box-shadow: var(--drstk-shadow-hover);
  transform: scale(1.05);
}

.drstk-hub-icon:active {
  transform: scale(0.95);
}

/* Hub icon size variants */
.drstk-orbital-hub.drstk-size-small .drstk-hub-icon {
  width: 48px;
  height: 48px;
  font-size: 20px;
}

.drstk-orbital-hub.drstk-size-medium .drstk-hub-icon {
  width: 56px;
  height: 56px;
  font-size: 24px;
}

.drstk-orbital-hub.drstk-size-large .drstk-hub-icon {
  width: 64px;
  height: 64px;
  font-size: 28px;
}

/* Hub icon inner icons */
.drstk-hub-icon .drstk-icon-plus,
.drstk-hub-icon .drstk-icon-close {
  position: absolute;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.drstk-hub-icon .drstk-icon-plus {
  opacity: 1;
  transform: rotate(0deg);
}

.drstk-hub-icon .drstk-icon-close {
  opacity: 0;
  transform: rotate(-90deg);
}

/* Expanded state - rotate plus to X */
.drstk-orbital-hub.is-expanded .drstk-hub-icon {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  transform: rotate(180deg);
}

.drstk-orbital-hub.is-expanded .drstk-hub-icon:hover {
  transform: rotate(180deg) scale(1.05);
}

.drstk-orbital-hub.is-expanded .drstk-hub-icon .drstk-icon-plus {
  opacity: 0;
  transform: rotate(90deg);
}

.drstk-orbital-hub.is-expanded .drstk-hub-icon .drstk-icon-close {
  opacity: 1;
  transform: rotate(0deg);
}

/* Orbital Buttons Container */
.drstk-orbital-buttons {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.drstk-orbital-hub.is-expanded .drstk-orbital-buttons {
  pointer-events: auto;
}

/* Individual Orbital Button */
.drstk-orbital-btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--drstk-white);
  text-decoration: none;
  box-shadow: var(--drstk-shadow);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  opacity: 0;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0);
}

/* Expanded state - use calculated X/Y positions */
.drstk-orbital-hub.is-expanded .drstk-orbital-btn {
  opacity: 1;
  transform: translate(
      calc(-50% + var(--orbital-x, 0px)),
      calc(-50% + var(--orbital-y, 0px))
    )
    scale(1);
}

/* Staggered animation delays */
.drstk-orbital-btn[style*="--orbital-index: 0"] {
  transition-delay: 0s;
}
.drstk-orbital-btn[style*="--orbital-index: 1"] {
  transition-delay: 0.05s;
}
.drstk-orbital-btn[style*="--orbital-index: 2"] {
  transition-delay: 0.1s;
}
.drstk-orbital-btn[style*="--orbital-index: 3"] {
  transition-delay: 0.15s;
}

/* Reverse delays when closing */
.drstk-orbital-hub:not(.is-expanded)
  .drstk-orbital-btn[style*="--orbital-index: 0"] {
  transition-delay: 0.15s;
}
.drstk-orbital-hub:not(.is-expanded)
  .drstk-orbital-btn[style*="--orbital-index: 1"] {
  transition-delay: 0.1s;
}
.drstk-orbital-hub:not(.is-expanded)
  .drstk-orbital-btn[style*="--orbital-index: 2"] {
  transition-delay: 0.05s;
}
.drstk-orbital-hub:not(.is-expanded)
  .drstk-orbital-btn[style*="--orbital-index: 3"] {
  transition-delay: 0s;
}

/* Orbital button hover */
.drstk-orbital-btn:hover {
  transform: translate(
      calc(-50% + var(--orbital-x, 0px)),
      calc(-50% + var(--orbital-y, 0px))
    )
    scale(1.15);
  box-shadow: var(--drstk-shadow-hover);
  color: var(--drstk-white);
  text-decoration: none;
}

/* Orbital button sizes */
.drstk-orbital-hub.drstk-size-small .drstk-orbital-btn {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

.drstk-orbital-hub.drstk-size-medium .drstk-orbital-btn {
  width: 46px;
  height: 46px;
  font-size: 18px;
}

.drstk-orbital-hub.drstk-size-large .drstk-orbital-btn {
  width: 52px;
  height: 52px;
  font-size: 22px;
}

/* Orbital button tooltip */
.drstk-orbital-btn .drstk-tooltip {
  position: absolute;
  background: var(--drstk-dark);
  color: var(--drstk-white);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  pointer-events: none;
  box-shadow: var(--drstk-shadow);
  z-index: 100;
}

/* Tooltip positioning based on button position */
.drstk-orbital-hub.drstk-pos-bottom-right .drstk-orbital-btn .drstk-tooltip,
.drstk-orbital-hub.drstk-pos-top-right .drstk-orbital-btn .drstk-tooltip {
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
}

.drstk-orbital-hub.drstk-pos-bottom-left .drstk-orbital-btn .drstk-tooltip,
.drstk-orbital-hub.drstk-pos-top-left .drstk-orbital-btn .drstk-tooltip {
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
}

.drstk-orbital-btn:hover .drstk-tooltip {
  opacity: 1;
  visibility: visible;
}

/* Pulse animation for hub icon */
.drstk-hub-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  opacity: 0;
  z-index: -1;
  animation: drstk-hub-pulse 2s infinite;
}

.drstk-orbital-hub.is-expanded .drstk-hub-icon::before {
  animation: none;
}

@keyframes drstk-hub-pulse {
  0% {
    transform: scale(1);
    opacity: 0.4;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* ============================================
   Orbital Hub Responsive
   ============================================ */
@media (max-width: 768px) {
  .drstk-orbital-hub.drstk-pos-bottom-right,
  .drstk-orbital-hub.drstk-pos-bottom-left {
    bottom: 20px;
  }

  .drstk-orbital-hub.drstk-pos-top-right,
  .drstk-orbital-hub.drstk-pos-top-left {
    top: 20px;
  }

  .drstk-orbital-hub.drstk-pos-bottom-right,
  .drstk-orbital-hub.drstk-pos-top-right {
    right: 20px;
  }

  .drstk-orbital-hub.drstk-pos-bottom-left,
  .drstk-orbital-hub.drstk-pos-top-left {
    left: 20px;
  }

  .drstk-orbital-hub.drstk-size-large .drstk-hub-icon {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .drstk-orbital-hub.drstk-size-large .drstk-orbital-btn {
    width: 46px;
    height: 46px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .drstk-orbital-hub.drstk-pos-bottom-right,
  .drstk-orbital-hub.drstk-pos-bottom-left {
    bottom: 16px;
  }

  .drstk-orbital-hub.drstk-pos-top-right,
  .drstk-orbital-hub.drstk-pos-top-left {
    top: 16px;
  }

  .drstk-orbital-hub.drstk-pos-bottom-right,
  .drstk-orbital-hub.drstk-pos-top-right {
    right: 16px;
  }

  .drstk-orbital-hub.drstk-pos-bottom-left,
  .drstk-orbital-hub.drstk-pos-top-left {
    left: 16px;
  }

  .drstk-orbital-btn .drstk-tooltip {
    display: none;
  }

  .drstk-orbital-hub.drstk-size-medium .drstk-hub-icon,
  .drstk-orbital-hub.drstk-size-large .drstk-hub-icon {
    width: 50px;
    height: 50px;
    font-size: 22px;
  }

  .drstk-orbital-hub.drstk-size-medium .drstk-orbital-btn,
  .drstk-orbital-hub.drstk-size-large .drstk-orbital-btn {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }
}