/* Sequencer Styles - Unified CSS for SequenceMenu and SequenceTimer */

/* ============================================
   Animations
   ============================================ */
@keyframes slideApart {
  0% {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-100%) translateY(-40px);
    opacity: 0;
  }
  51% {
    transform: translateX(100%) translateY(40px);
    opacity: 0;
  }
  100% {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

@keyframes slideApartReverse {
  0% {
    transform: translateX(0);
    z-index: 20;
  }
  50% {
    transform: translateX(150%);
    z-index: 20;
  }
  51% {
    z-index: 10;
    transform: translateX(-150%);
  }
  100% {
    transform: translateX(0);
    z-index: 10;
  }
}

@keyframes flipImage {
  0% {
    transform: scaleX(1);
  }
  50% {
    transform: scaleX(0);
  }
  100% {
    transform: scaleX(-1);
  }
}

/* slideLeft animation removed - using CSS transitions instead */

@keyframes slideRight {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateX(100%);
    opacity: 0;
  }
}

@keyframes flipSet {
  0% {
    transform: rotateY(0deg);
    opacity: 1;
  }
  50% {
    transform: rotateY(90deg);
    opacity: 0.5;
  }
  100% {
    transform: rotateY(0deg);
    opacity: 1;
  }
}

@keyframes slideUpSet {
  0% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateY(-60px) translateX(60px) scale(0.95);
    opacity: 0.7;
  }
  100% {
    transform: translateY(-40px) translateX(40px) scale(0.95);
    opacity: 0.8;
  }
}

@keyframes slideDownSet {
  0% {
    transform: translateY(-40px) translateX(40px) scale(0.95);
    opacity: 0.95;
  }
  50% {
    transform: translateY(20px) translateX(-20px) scale(1.02);
    opacity: 1;
  }
  100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 1;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation Classes */
.slide-apart {
  animation: slideApart 0.8s ease-in-out forwards;
}

.slide-apart-reverse {
  animation: slideApartReverse 0.8s ease-in-out forwards;
}

.flip-image {
  animation: flipImage 0.8s ease-in-out forwards;
}

/* slide-left class removed - transitions handle animation automatically */

.slide-right {
  animation: slideRight 0.3s ease-in-out;
}

.flip-set {
  animation: flipSet 0.3s ease-in-out;
}

.slide-up-set {
  animation: slideUpSet 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-down-set {
  animation: slideDownSet 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-in {
  animation: fade-in 0.7s ease-out forwards;
}

/* ============================================
   Sequencer Timer Container
   ============================================ */
.sequencer-timer {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  background: var(--color-bg-secondary);
  padding: var(--space-8);
  min-height: 100vh;
  position: relative;
}

/* Legacy support */
.sequence-timer {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  background: var(--color-bg-secondary);
  padding: var(--space-8);
  min-height: 100vh;
  position: relative;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* ============================================
   Sequencer Carousel
   ============================================ */
.sequencer-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.sequencer-carousel__inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 100%;
  padding: 0 var(--space-4);
  perspective: 1000px;
}

/* Legacy support */
.sequence-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.sequence-carousel__inner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 100%;
  padding: 0 var(--space-4);
  perspective: 1000px;
  gap: 0;
}

/* ============================================
   Card Container
   ============================================ */
.card-container {
  position: relative;
}

.card-container:hover .zone-indicator {
  opacity: 0.15;
}

.card-container:hover > div {
  transform: translate(var(--tx), var(--ty));
  transition: transform var(--transition-slow);
}

.card-container > div {
  --tx: 0px;
  --ty: 0px;
  transition: transform var(--transition-slow);
}

.card-container:hover > div:hover {
  transform: translate(var(--tx), var(--ty)) scale(1.05);
  z-index: 30;
}

/* Zone Indicators */
.zone-indicator {
  position: absolute;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.zone-indicator:hover {
  opacity: 0.3 !important;
}

.zone-left {
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(239, 68, 68, 0.1), transparent);
}

.zone-left:hover {
  opacity: 0.3 !important;
  background: linear-gradient(to right, rgba(239, 68, 68, 0.2), transparent);
  box-shadow: inset 0 0 20px rgba(239, 68, 68, 0.1);
}

.zone-right {
  right: 0;
  top: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(to left, rgba(16, 185, 129, 0.1), transparent);
}

.zone-right:hover {
  opacity: 0.3 !important;
  background: linear-gradient(to left, rgba(16, 185, 129, 0.2), transparent);
  box-shadow: inset 0 0 20px rgba(16, 185, 129, 0.1);
}

.zone-center {
  left: 30%;
  top: 20%;
  width: 40%;
  height: 60%;
  background: radial-gradient(circle, #3B82F6 0%, transparent 100%);
}

/* Current Exercise Card */
.current-exercise-card {
  position: relative;
  width: 384px;
  flex-shrink: 0;
  z-index: 10;
  height: 400px;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform, opacity, filter;
}

@media (min-width: 768px) {
  .current-exercise-card {
    width: 420px;
  }
}

/* Navigation Buttons */
.sequencer-nav-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  padding: var(--space-2);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequencer-nav-button:hover {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
}

.sequencer-nav-button--prev {
  left: var(--space-2);
}

.sequencer-nav-button--next {
  right: var(--space-2);
}

.sequencer-nav-button svg {
  width: 24px;
  height: 24px;
}

/* Legacy support */
.sequence-nav-button {
  display: none; /* Removed - using click zones instead */
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  padding: var(--space-2);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequence-nav-button:hover {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
}

.sequence-nav-button--prev {
  left: var(--space-2);
}

.sequence-nav-button--next {
  right: var(--space-2);
}

.sequence-nav-button svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   Sequence Card
   ============================================ */
.sequencer-card {
  position: absolute;
  inset: 0;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
  border: 1px solid var(--color-border-primary);
}

.sequencer-card__header {
  text-align: center;
  height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.sequencer-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.sequencer-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.sequencer-card__image {
  width: 100%;
  height: 256px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-primary);
  margin-top: var(--space-4);
}

.sequencer-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.sequencer-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 128px;
  background: linear-gradient(to top, transparent, rgba(0, 0, 0, 0.5));
}

.sequencer-card__set-counter {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-md);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-mono);
}

.sequencer-card__timer {
  position: absolute;
  bottom: var(--space-6);
  left: 0;
  right: 0;
  text-align: center;
}

.sequencer-card__timer-display {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Gradient States */
.sequencer-card__overlay--paused {
  background: linear-gradient(to top, rgba(236, 72, 153, 0.5), transparent);
}

.sequencer-card__overlay--active {
  background: linear-gradient(to top, rgba(239, 68, 68, 0.5), transparent);
}

.sequencer-card__overlay--break {
  background: linear-gradient(to top, rgba(59, 130, 246, 0.5), transparent);
}

.sequencer-card__overlay--completed {
  background: linear-gradient(to top, rgba(16, 185, 129, 0.3), transparent);
}

.sequencer-card__overlay--pending {
  background: linear-gradient(to top, rgba(107, 114, 128, 0.3), transparent);
}

/* Legacy support */
.sequence-card {
  position: absolute;
  inset: 0;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-border-primary);
  will-change: transform, opacity, filter;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}

.sequence-card.sequencer-flex {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequence-card__header {
  text-align: center;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.sequence-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.sequence-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.sequence-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sequence-card__image {
  width: 100%;
  flex: 1;
  min-height: 256px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-primary);
  margin-top: var(--space-4);
  position: relative;
}

.sequence-card__image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0.95) 100%);
  pointer-events: none;
  z-index: 1;
}

.sequence-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.sequence-card__set-counter {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-md);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-mono);
  z-index: 10;
}

.sequence-card__footer {
  flex-shrink: 0;
  padding: var(--space-4) var(--space-2);
  text-align: center;
  background: #ffffff;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sequence-card__footer--paused {
  background: linear-gradient(to bottom, rgba(236, 72, 153, 0.25), #ffffff);
  border-top-color: rgba(236, 72, 153, 0.4);
}

.sequence-card__footer--active {
  background: linear-gradient(to bottom, rgba(239, 68, 68, 0.25), #ffffff);
  border-top-color: rgba(239, 68, 68, 0.4);
}

.sequence-card__footer--break {
  background: linear-gradient(to bottom, rgba(59, 130, 246, 0.25), #ffffff);
  border-top-color: rgba(59, 130, 246, 0.4);
}

.sequence-card__timer {
  width: 100%;
  text-align: center;
}

.sequence-card__timer-display {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-shadow: none;
}

/* Legacy overlay styles for non-current cards */
.sequence-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
  pointer-events: none;
}

.sequence-card__timer-display {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sequence-card__overlay--paused {
  background: linear-gradient(to top, rgba(236, 72, 153, 0.5), transparent);
}

.sequence-card__overlay--active {
  background: linear-gradient(to top, rgba(239, 68, 68, 0.5), transparent);
}

.sequence-card__overlay--break {
  background: linear-gradient(to top, rgba(59, 130, 246, 0.5), transparent);
}

.sequence-card__overlay--completed {
  background: linear-gradient(to top, rgba(16, 185, 129, 0.3), transparent);
}

.sequence-card__overlay--pending {
  background: linear-gradient(to top, rgba(107, 114, 128, 0.3), transparent);
}

/* Previous/Next Sequence Cards */
.sequencer-preview-card {
  position: relative;
  width: 200px;
  flex-shrink: 0;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 0.5;
  cursor: pointer;
  will-change: transform, opacity, filter;
}

.sequencer-preview-card:hover {
  transform: scale(1.02);
  opacity: 0.8;
  z-index: 5;
}

.sequencer-preview-card--hidden {
  opacity: 0;
  pointer-events: none;
}

.sequencer-preview-card__inner {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.sequencer-preview-card__header {
  text-align: center;
  padding: var(--space-2);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
}

.sequencer-preview-card__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.sequencer-preview-card__image {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sequencer-preview-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

/* Legacy support */
.sequence-preview-card {
  position: relative;
  width: 200px;
  flex-shrink: 0;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 0.5;
  cursor: pointer;
  will-change: transform, opacity, filter;
}

.sequence-preview-card:hover {
  transform: scale(1.02);
  opacity: 0.8;
  z-index: 5;
}

.sequence-preview-card--hidden {
  opacity: 0;
  pointer-events: none;
}

.sequence-preview-card__inner {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.sequence-preview-card__header {
  text-align: center;
  padding: var(--space-2);
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
}

.sequence-preview-card__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.sequence-preview-card__image {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sequence-preview-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

/* ============================================
   Sequencer Menu
   ============================================ */
.sequencer-menu {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .sequencer-menu {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .sequencer-menu {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sequencer-menu__card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.sequencer-menu__card--full-width {
  grid-column: 1 / -1;
}

.sequencer-menu__header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sequencer-menu__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-align: center;
  flex: 1;
}

.sequencer-menu__body {
  padding: var(--space-6);
}

/* Legacy support */
.sequence-menu {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .sequence-menu {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .sequence-menu {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sequence-menu__card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.sequence-menu__card--full-width {
  grid-column: 1 / -1;
}

.sequence-menu__header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.sequence-menu__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.sequence-menu__subtitle {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  opacity: 0.7;
  color: var(--color-text-secondary);
}

.sequence-menu__toggle {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sequence-menu__toggle:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.sequence-menu__body {
  padding: var(--space-6);
}

/* ============================================
   Timer Controls
   ============================================ */
.sequencer-timer-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sequencer-timer-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.sequencer-timer-control__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.sequencer-timer-control__label--work {
  color: var(--color-primary);
}

.sequencer-timer-control__label--rest {
  color: var(--color-secondary);
}

.sequencer-timer-control__buttons {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sequencer-timer-control__button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.sequencer-timer-control__button--work {
  background: var(--color-primary-light);
}

.sequencer-timer-control__button--work:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.sequencer-timer-control__button--rest {
  background: var(--color-secondary-light);
}

.sequencer-timer-control__button--rest:hover {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.sequencer-timer-control__value {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-bold);
  width: 64px;
  text-align: center;
  font-size: var(--font-size-xl);
}

.sequencer-timer-control__value--work {
  color: var(--color-primary);
}

.sequencer-timer-control__value--rest {
  color: var(--color-secondary);
}

/* Legacy support */
.timer-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.timer-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.timer-control__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.timer-control__label--work {
  color: var(--color-primary);
}

.timer-control__label--rest {
  color: #3b82f6;
}

.timer-control__buttons {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.timer-control__button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.timer-control__button--work {
  background: var(--color-primary-light);
}

.timer-control__button--work:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.timer-control__button--rest {
  background: var(--color-secondary-light);
}

.timer-control__button--rest:hover {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.timer-control__value {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-bold);
  width: 64px;
  text-align: center;
  font-size: var(--font-size-xl);
}

.timer-control__value--work {
  color: var(--color-primary);
}

.timer-control__value--rest {
  color: var(--color-secondary);
}

/* ============================================
   Preset Buttons
   ============================================ */
.sequencer-preset-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-3);
}

.sequencer-preset-button:last-child {
  margin-bottom: 0;
}


.sequencer-preset-button--action {
  flex: 1;
  min-width: 120px;
  height: 2.5rem;
  width: auto !important;
  margin: 0;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.sequencer-preset-button--action:hover {
  background: var(--color-bg-tertiary);
}

/* Legacy support */
.preset-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.preset-button-edit {
  width: 2.5rem;
  min-width: 2.5rem;
  min-height: 2.5rem;
  flex: 0 0 2.5rem;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}

.preset-button[data-variant="primary"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.preset-button[data-variant="primary"]:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.preset-button[data-variant="secondary"] {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.preset-button[data-variant="secondary"]:hover {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.preset-button[data-variant="neutral"] {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.preset-button[data-variant="neutral"]:hover {
  background: var(--color-bg-tertiary);
}

/* Active state - simple border indicator */
.preset-button.preset-button--active {
  border: 2px solid currentColor !important;
  font-weight: var(--font-weight-semibold);
}

.preset-button.preset-button--active[data-variant="primary"] {
  border-color: var(--color-primary) !important;
}

.preset-button.preset-button--active[data-variant="secondary"] {
  border-color: var(--color-secondary) !important;
}

.preset-button.preset-button--active[data-variant="neutral"] {
  border-color: var(--color-text-primary) !important;
}

/* ============================================
   Type Selector
   ============================================ */
.sequencer-type-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.presets-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sequencer-action-buttons {
  column-gap: var(--space-2);
  row-gap: 0;
  margin: 0;
}

.sequencer-action-buttons .preset-button {
  margin: 0;
}

.sequencer-type-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  height: 2.5rem;
}

.sequencer-type-button[data-variant="primary"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.sequencer-type-button[data-variant="primary"].active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.sequencer-type-button[data-variant="secondary"] {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.sequencer-type-button[data-variant="secondary"].active {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.sequencer-type-button[data-variant="neutral"] {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.sequencer-type-button[data-variant="neutral"].active {
  background: var(--color-text-secondary);
  color: var(--color-text-inverse);
}

/* Legacy support */
.type-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.type-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  height: 2.5rem;
}

.type-button[data-variant="primary"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.type-button[data-variant="primary"].active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.type-button[data-variant="secondary"] {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
}

.type-button[data-variant="secondary"].active {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.type-button[data-variant="neutral"] {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.type-button[data-variant="neutral"].active {
  background: var(--color-text-secondary);
  color: var(--color-text-inverse);
}

/* ============================================
   Filters
   ============================================ */
.sequencer-filter-section {
  margin-bottom: var(--space-4);
}

.sequencer-filter-section__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.sequencer-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.sequencer-filter-tags--horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.sequencer-filter-tag {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sequencer-filter-tag--inactive {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

.sequencer-filter-tag--inactive:hover {
  background: var(--color-bg-tertiary);
}

.sequencer-filter-tag--active {
  background: #3b82f6;
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.sequencer-filter-tag--parent {
  font-weight: 600;
}

.sequencer-filter-tag--subcategory {
  margin-left: 0.5rem;
  font-size: 0.875rem;
}

/* Legacy support */
.filter-section {
  margin-bottom: var(--space-4);
}

.filter-section__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-tags--horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.filter-tag {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tag--inactive {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

.filter-tag--inactive:hover {
  background: var(--color-bg-tertiary);
}

.filter-tag--active {
  background: #3b82f6;
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.filter-tag--checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
}

.filter-tag--checkbox input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

.filter-tags--vertical {
  flex-direction: column;
  align-items: flex-start;
}

.filter-group {
  width: 100%;
}

.filter-subcategories {
  margin-left: var(--space-4);
  margin-top: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sequence-filters-dropdown {
  margin-bottom: var(--space-4);
  position: relative;
}

.sequence-filters-dropdown__toggle {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.sequence-filters-dropdown__toggle:hover {
  background: var(--color-bg-tertiary);
}

.sequence-filters-dropdown__badge {
  background: #3b82f6;
  color: var(--color-text-inverse);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.sequence-filters-dropdown__arrow {
  font-size: var(--font-size-xs);
  transition: transform var(--transition-fast);
}

.sequence-filters-dropdown__content {
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-height: 400px;
  overflow-y: auto;
}

.sequence-filters-dropdown__clear {
  margin-top: var(--space-3);
  width: 100%;
  padding: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sequence-filters-dropdown__clear:hover {
  background: var(--color-bg-quaternary);
}

/* ============================================
   Tools
   ============================================ */
.sequencer-tools-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sequencer-tools-section__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.sequencer-tool-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.sequencer-tool-button:hover {
  background: var(--color-bg-tertiary);
}

.sequencer-tool-button svg {
  width: 16px;
  height: 16px;
}

/* Legacy support */
.tools-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tools-section__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.tool-button {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.tool-button:hover {
  background: var(--color-bg-tertiary);
}

.tool-button svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   Overview Grid
   ============================================ */
.sequencer-overview {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sequencer-overview__header {
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.sequencer-overview__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.sequencer-overview__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .sequencer-overview__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .sequencer-overview__content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .sequencer-overview__content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Legacy support */
.sequence-overview {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sequence-overview__header {
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.sequence-overview__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.sequence-overview__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .sequence-overview__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .sequence-overview__content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .sequence-overview__content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   Drag and Drop Styles
   ============================================ */
.sequence-item-draggable {
  cursor: grab;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
}

.sequence-drop-indicator--between {
  width: 3px;
  height: 100%;
  background: var(--color-primary, #3b82f6);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
  animation: dropIndicatorPulse 1s ease-in-out infinite;
  position: absolute;
  top: 0;
  left: calc(-1 * var(--space-4, 16px) / 2 - 1.5px);
  z-index: 100;
  pointer-events: none;
}

.sequence-item-draggable:active {
  cursor: grabbing;
}

.sequence-item-draggable.dragging {
  opacity: 0.5;
  transform: scale(0.95);
  z-index: 1000;
}

.sequence-item-draggable.shift-left {
  transform: translateX(-20px);
}

.sequence-item-draggable.shift-right {
  transform: translateX(20px);
}

@keyframes dropIndicatorPulse {
  0%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.7;
    transform: scaleY(0.98);
  }
}

.sequence-overview__content--draggable {
  position: relative;
}

.sequence-drop-indicator {
  position: absolute;
  width: 3px;
  height: 100%;
  background: var(--color-primary, #3b82f6);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
  animation: dropIndicatorPulse 1s ease-in-out infinite;
  top: 0;
  z-index: 100;
  pointer-events: none;
}

.sequence-drop-indicator--before {
  left: calc(-1 * var(--space-4, 16px) / 2 - 1.5px);
  /* Counter the card's shift to stay centered */
  transform: translateX(0);
  transition: transform 0.2s ease;
}

.sequence-drop-indicator--after {
  right: calc(-1 * var(--space-4, 16px) / 2 - 1.5px);
  /* Counter the card's shift to stay centered */
  transform: translateX(0);
  transition: transform 0.2s ease;
}

/* Counter the card shift to keep indicator centered in gap */
.sequence-item-draggable.shift-left .sequence-drop-indicator--before {
  transform: translateX(20px);
}

.sequence-item-draggable.shift-right .sequence-drop-indicator--before {
  transform: translateX(-20px);
}

.sequence-item-draggable.shift-left .sequence-drop-indicator--after {
  transform: translateX(20px);
}

.sequence-item-draggable.shift-right .sequence-drop-indicator--after {
  transform: translateX(-20px);
}

/* ============================================
   Activities Grid
   ============================================ */
.sequencer-activities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .sequencer-activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .sequencer-activities-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .sequencer-activities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sequencer-activity-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border-primary);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.sequencer-activity-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.sequencer-activity-card__image {
  width: 100%;
  height: 150px;
  overflow: hidden;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequencer-activity-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sequencer-activity-card__info {
  padding: var(--space-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sequencer-activity-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--line-height-tight);
}

.sequencer-activity-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sequencer-activity-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.sequencer-activity-card__category {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
}

.sequencer-activity-card__meta {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: auto;
}

.sequencer-activity-card__meta span {
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.sequencer-activity-card__actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--color-border-primary);
  background: var(--color-bg-secondary);
  justify-content: center;
}

/* Legacy support */
.activities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .activities-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .activities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.activity-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border-primary);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.activity-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.activity-card__image {
  width: 100%;
  height: 150px;
  overflow: hidden;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-card__info {
  padding: var(--space-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.activity-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--line-height-tight);
}

.activity-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.activity-card__category {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
}

.activity-card__meta {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: auto;
}

.activity-card__meta span {
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.activity-card__actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--color-border-primary);
  background: var(--color-bg-secondary);
  justify-content: center;
}

.activity-card--add {
  background: var(--color-bg-secondary);
  border: 2px dashed var(--color-border-primary);
  transition: all var(--transition-normal);
  cursor: pointer;
  min-height: 200px;
  height: 100%;
  justify-content: center;
}

.activity-card--add:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-tertiary);
  transform: translateY(-2px);
}

.sequencer-add-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* ============================================
   Action Buttons
   ============================================ */
.sequencer-action-button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
  padding: 0;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.sequencer-action-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-sm);
}

.sequencer-action-button--edit {
  background: #dbeafe;
}

.sequencer-action-button--edit:hover {
  background: #3b82f6;
}

.sequencer-action-button--delete {
  background: #fee2e2;
}

.sequencer-action-button--delete:hover {
  background: #dc2626;
}

.sequencer-action-button--add {
  background: #dbeafe;
}

.sequencer-action-button--add:hover {
  background: #3b82f6;
}

.action-button--add {
  background: #dbeafe;
}

.action-button--add:hover {
  background: #3b82f6;
}

/* Legacy support */
.action-button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
  padding: 0;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.action-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-sm);
}

.action-button--edit {
  background: #dbeafe;
}

.action-button--edit:hover {
  background: #3b82f6;
}

.action-button--delete {
  background: #fee2e2;
}

.action-button--delete:hover {
  background: #dc2626;
}

.activity-card__button {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.activity-card__button--edit {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
}

.activity-card__button--edit:hover {
  background: var(--color-bg-tertiary);
}

.activity-card__button--delete {
  background: #dc2626;
  color: var(--color-text-inverse);
}

.activity-card__button--delete:hover {
  background: #b91c1c;
}

/* ============================================
   Sequence Item Card
   ============================================ */
.sequencer-item-card {
  position: relative;
  height: 200px;
  width: 100%;
}

.sequencer-item-card__stack {
  position: absolute;
  width: 100%;
  height: 200px;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  border: 2px solid;
  transition: all var(--transition-slow);
}

.sequencer-item-card__stack--inactive {
  border-color: var(--color-border-primary);
  background: var(--color-bg-secondary);
}

.sequencer-item-card__stack--completed {
  border-color: var(--color-primary);
  background: var(--color-bg-secondary);
}

.sequencer-item-card__stack--active-paused {
  border-color: #ec4899;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(236, 72, 153, 0.3);
}

.sequencer-item-card__stack--active-running {
  border-color: #ef4444;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.sequencer-item-card__stack--active-break {
  border-color: #3b82f6;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.sequencer-item-card__stack--pending {
  border-color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
}

.sequencer-item-card__hover-indicator {
  position: absolute;
  inset: 0;
  display: flex;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
  z-index: 20;
}

.sequencer-item-card__stack:hover .sequencer-item-card__hover-indicator,
.sequencer-item-card__stack:active .sequencer-item-card__hover-indicator {
  opacity: 1;
  pointer-events: auto;
}

/* Show play button on mobile/touch devices */
@media (hover: none) and (pointer: coarse) {
  .sequencer-item-card__hover-indicator {
    opacity: 0.7;
    pointer-events: auto;
  }
}

.sequencer-item-card__hover-left {
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to right, rgba(239, 68, 68, 0.2), transparent);
  pointer-events: auto;
  cursor: pointer;
}

.sequencer-item-card__hover-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  color: var(--color-text-inverse);
  z-index: 21;
}

.sequencer-item-card__hover-right {
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to left, rgba(16, 185, 129, 0.2), transparent);
  pointer-events: auto;
  cursor: pointer;
}

.sequencer-item-card__hover-right--inactive {
  background: linear-gradient(to left, rgba(239, 68, 68, 0.2), transparent);
}

.sequencer-item-card__hover-symbol {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sequencer-item-card__content {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 10;
}

.sequencer-item-card__image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
}

.sequencer-item-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sequencer-item-card__image--inactive img {
  filter: grayscale(100%);
  opacity: 0.5;
}

.sequencer-item-card__info {
  text-align: center;
  margin-top: var(--space-2);
}

.sequencer-item-card__name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.sequencer-item-card__categories {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.sequencer-item-card__category {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.sequencer-item-card__sets {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* Legacy support */
.sequence-item-card {
  position: relative;
  height: 200px;
  width: 100%;
}

.sequence-item-card__stack {
  position: absolute;
  width: 100%;
  height: 200px;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  border: 2px solid;
  transition: all var(--transition-slow);
}

.sequence-item-card__stack--inactive {
  border-color: var(--color-border-primary);
  background: var(--color-bg-secondary);
}

.sequence-item-card__stack--completed {
  border-color: var(--color-primary);
  background: var(--color-bg-secondary);
}

.sequence-item-card__stack--active-paused {
  border-color: #ec4899;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(236, 72, 153, 0.3);
}

.sequence-item-card__stack--active-running {
  border-color: #ef4444;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.sequence-item-card__stack--active-break {
  border-color: #3b82f6;
  background: var(--color-bg-secondary);
  border-width: 3px;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.sequence-item-card__stack--pending {
  border-color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
}

.sequence-item-card__hover-indicator {
  position: absolute;
  inset: 0;
  display: flex;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
  z-index: 20;
}

.sequence-item-card__stack:hover .sequence-item-card__hover-indicator,
.sequence-item-card__stack:active .sequence-item-card__hover-indicator {
  opacity: 1;
  pointer-events: auto;
}

@media (hover: none) and (pointer: coarse) {
  .sequence-item-card__hover-indicator {
    opacity: 0.7;
    pointer-events: auto;
  }
}

.sequence-item-card__hover-left {
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to right, rgba(239, 68, 68, 0.2), transparent);
  pointer-events: auto;
  cursor: pointer;
}

.sequence-item-card__hover-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  color: var(--color-text-inverse);
  z-index: 21;
}

.sequence-item-card__hover-right {
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to left, rgba(16, 185, 129, 0.2), transparent);
  pointer-events: auto;
  cursor: pointer;
}

.sequence-item-card__hover-right--inactive {
  background: linear-gradient(to left, rgba(239, 68, 68, 0.2), transparent);
}

.sequence-item-card__hover-symbol {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sequence-item-card__content {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 10;
}

.sequence-item-card__image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
}

.sequence-item-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sequence-item-card__image--inactive img {
  filter: grayscale(100%);
  opacity: 0.5;
}

.sequence-item-card__info {
  text-align: center;
  margin-top: var(--space-2);
}

.sequence-item-card__name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.sequence-item-card__categories {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.sequence-item-card__category {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.sequence-item-card__sets {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ============================================
   Completion Card
   ============================================ */
.sequencer-completion-card {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all 0.7s ease;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequencer-completion-card__content {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-bg-primary));
  padding: var(--space-8);
}

.sequencer-completion-card__icon {
  width: 96px;
  height: 96px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequencer-completion-card__icon svg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}

.sequencer-completion-card__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  text-align: center;
}

.sequencer-completion-card__message {
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-6);
}

.sequencer-completion-card__actions {
  display: flex;
  gap: var(--space-4);
}

.sequencer-completion-button {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
  font-weight: var(--font-weight-medium);
}

.sequencer-completion-button:hover {
  box-shadow: var(--shadow-xl);
}

.sequencer-completion-button--restart {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.sequencer-completion-button--restart:hover {
  background: var(--color-primary-hover);
}

.sequencer-completion-button--new {
  background: #3b82f6;
  color: var(--color-text-inverse);
}

.sequencer-completion-button--new:hover {
  background: #2563eb;
}

/* Legacy support */
.completion-card {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all 0.7s ease;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.completion-card__content {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-bg-primary));
  padding: var(--space-8);
}

.completion-card__icon {
  width: 96px;
  height: 96px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.completion-card__icon svg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}

.completion-card__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  text-align: center;
}

.completion-card__message {
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-6);
}

.completion-card__actions {
  display: flex;
  gap: var(--space-4);
}

.completion-button {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
  font-weight: var(--font-weight-medium);
}

.completion-button:hover {
  box-shadow: var(--shadow-xl);
}

.completion-button--restart {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.completion-button--restart:hover {
  background: var(--color-primary-hover);
}

.completion-button--new {
  background: #3b82f6;
  color: var(--color-text-inverse);
}

.completion-button--new:hover {
  background: #2563eb;
}

/* ============================================
   Form Components
   ============================================ */
.sequencer-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
}

.sequencer-form__title {
  margin: 0 0 1rem 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.sequencer-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sequencer-form__label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.sequencer-form__label--spaced {
  margin-bottom: 0.25rem;
}

.sequencer-form__input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.sequencer-form__textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-family: inherit;
  resize: vertical;
}

.sequencer-form__select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.sequencer-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sequencer-form__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

.sequencer-form__button {
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.sequencer-form__button--primary {
  background: #f59e0b;
  color: #ffffff;
}

.sequencer-form__button--primary:hover {
  background: #d97706;
}

.sequencer-form__button--primary:disabled {
  background: #6b7280;
  cursor: not-allowed;
  opacity: 0.6;
}

.sequencer-form__button--secondary {
  background: #4b5563;
  color: #ffffff;
}

.sequencer-form__button--secondary:hover {
  background: #374151;
}

.sequencer-form__checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sequencer-form__checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.sequencer-form__checkbox {
  cursor: pointer;
}

/* Modal Styles */
.sequencer-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.sequencer-modal__content {
  background: #1f2937;
  border-radius: 0.75rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid #374151;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.sequencer-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 1.5rem 1.5rem 0 1.5rem;
}

.sequencer-modal__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
}

.sequencer-modal__close {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.sequencer-modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sequencer-modal__body {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.sequencer-flex {
  display: flex;
}

.sequencer-flex-column {
  display: flex;
  flex-direction: column;
}

.sequencer-flex-row {
  display: flex;
  flex-direction: row;
}

.sequencer-flex-wrap {
  flex-wrap: wrap;
}

.sequencer-icon-sm {
  width: 16px;
  height: 16px;
}

.sequencer-items-center {
  align-items: center;
}

.sequencer-justify-center {
  justify-content: center;
}

.sequencer-justify-between {
  justify-content: space-between;
}

.sequencer-justify-end {
  justify-content: flex-end;
}

.sequencer-gap-1 {
  gap: 0.25rem;
}

.sequencer-gap-2 {
  gap: 0.5rem;
}

.sequencer-gap-3 {
  gap: 0.75rem;
}

.sequencer-gap-4 {
  gap: 1rem;
}

.sequencer-grid {
  display: grid;
}

.sequencer-grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.sequencer-grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .sequencer-md-grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.sequencer-margin-auto {
  margin-left: auto;
}

.sequencer-margin-bottom-1 {
  margin-bottom: 1rem;
}

.sequencer-text-center {
  text-align: center;
}

.sequencer-text-muted {
  color: var(--color-text-muted);
}

.sequencer-text-sm {
  font-size: var(--font-size-sm);
}

.sequencer-padding-1 {
  padding: 1rem;
}

.sequencer-full-width {
  width: 100%;
}

.sequencer-flex-1 {
  flex: 1;
}

.sequencer-min-height-2-5 {
  min-height: 2.5rem;
}

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

.sequencer-relative {
  position: relative;
}

.sequencer-absolute {
  position: absolute;
}

.sequencer-hidden {
  display: none;
}

/* Sequence Item Row */
.sequencer-item-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  min-height: 2.5rem;
}

.sequencer-item-row:hover .sequencer-item-actions {
  display: flex !important;
}

.sequencer-item-actions {
  display: none;
  position: absolute;
  right: 0.5rem;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .sequencer-type-sequences-row {
    flex-direction: row !important;
  }
}

/* ============================================
   Preview Groups
   ============================================ */
.sequencer-preview-group {
  display: flex;
  gap: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  min-width: 0;
  pointer-events: none;
  align-items: center;
}

.sequencer-preview-group:empty {
  display: none;
}

.sequencer-preview-group--prev {
  right: calc(50% + 13rem);
  align-items: flex-end;
}

.sequencer-preview-group--next {
  left: calc(50% + 13rem);
  align-items: flex-start;
}

.sequencer-preview-group .sequence-preview-card {
  pointer-events: auto;
}

.sequencer-preview-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  padding: var(--space-2);
}

.sequencer-current-sequence {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--space-8);
  flex-shrink: 0;
  position: relative;
  margin: 0 auto;
}

.sequencer-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-align: center;
}

.sequencer-card__placeholder--large {
  font-size: var(--font-size-lg);
  padding: var(--space-4);
}

.sequencer-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
}

.sequencer-opacity-0 {
  opacity: 0;
}

.sequencer-flip-horizontal {
  transform: scaleX(-1);
}

.sequencer-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.sequencer-scrollable {
  max-height: 200px;
  overflow-y: auto;
}

.sequencer-empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 1rem;
}

.sequencer-activity-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding: var(--space-2);
  text-align: center;
}

.sequencer-item-card {
  padding: 0.75rem;
  background: var(--color-bg-secondary);
  border-radius: 0.5rem;
}

.sequencer-item-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.sequencer-item-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.sequencer-item-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.sequencer-modal__content--medium {
  max-width: 600px;
}

.sequencer-modal__content--large {
  max-width: 700px;
}

.sequencer-modal__content--small {
  max-width: 400px;
  padding: 1.5rem;
}

.sequencer-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 1.5rem 1.5rem 0 1.5rem;
}

.sequencer-form-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
}

.sequencer-form-close-button {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequencer-form-close-button:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sequencer-form-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.sequencer-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sequencer-form-field-label {
  display: block;
  margin-bottom: 0.5rem;
  color: #d1d5db;
  font-size: 0.875rem;
  font-weight: 500;
}

.sequencer-form-field-input {
  width: 100%;
  padding: 0.5rem;
  background-color: #374151;
  border: 1px solid #4b5563;
  border-radius: 0.375rem;
  color: #ffffff;
  font-size: 0.875rem;
}

.sequencer-form-field-textarea {
  width: 100%;
  padding: 0.5rem;
  background-color: #374151;
  border: 1px solid #4b5563;
  border-radius: 0.375rem;
  color: #ffffff;
  font-size: 0.875rem;
  font-family: inherit;
  resize: vertical;
}

.sequencer-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sequencer-form-help-text {
  font-size: 0.75rem;
  color: #9ca3af;
  margin-top: 0.25rem;
}

.sequencer-form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: #d1d5db;
  font-size: 0.875rem;
}

.sequencer-form-checkbox {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.sequencer-form-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

.sequencer-form-button-secondary {
  padding: 0.5rem 1rem;
  background-color: #4b5563;
  color: #ffffff;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.sequencer-form-button-secondary:hover {
  background-color: #374151;
}

.sequencer-form-button-submit {
  padding: 0.5rem 1rem;
  background-color: #f59e0b;
  color: #ffffff;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.sequencer-form-button-submit:hover {
  background-color: #d97706;
}

.sequencer-form-button-delete {
  padding: 0.5rem 1rem;
  background-color: #dc2626;
  color: #ffffff;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  margin-right: auto;
}

.sequencer-form-button-delete:hover {
  background-color: #b91c1c;
}

.sequencer-form-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.sequencer-form-section-title {
  color: #d1d5db;
  font-size: 0.875rem;
  font-weight: 500;
}

.sequencer-form-button-add {
  padding: 0.5rem 1rem;
  background-color: #f59e0b;
  color: #ffffff;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.sequencer-form-button-add:hover {
  background-color: #d97706;
}

.sequencer-form-empty-state {
  text-align: center;
  color: #9ca3af;
  padding: 1rem;
  font-size: 0.875rem;
}

.sequencer-form-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.sequencer-form-item-card {
  padding: 0.75rem;
  background-color: #374151;
  border-radius: 0.5rem;
  border: 1px solid #4b5563;
}

.sequencer-form-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.sequencer-form-item-name {
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.sequencer-form-item-description {
  font-size: 0.875rem;
  color: #9ca3af;
  margin-bottom: 0.25rem;
}

.sequencer-form-item-meta {
  font-size: 0.75rem;
  color: #9ca3af;
}

.sequencer-form-field-input--small {
  width: 60px;
  padding: 0.25rem;
}

/* Selection Mode Styles for Sequence Items */
.sequence-item-card--selection-mode {
  cursor: pointer;
  position: relative;
}

.sequence-item-card--selected {
  border: 2px solid var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.sequence-item-card--selection-mode:hover {
  transform: translateY(-2px);
}

.sequence-item-card--selected:hover {
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Selection Checkbox */
.sequence-item-card__checkbox {
  position: absolute;
  top: var(--space-2, 0.5rem);
  left: var(--space-2, 0.5rem);
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  padding: var(--space-1, 0.25rem);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sequence-item-card__checkbox-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-primary, #3b82f6);
}

.sequence-item-card--selected .sequence-item-card__checkbox {
  background: rgba(59, 130, 246, 0.9);
}

/* Selection Mode Styles for Activity Cards */
.activity-card--selection-mode {
  cursor: pointer;
  position: relative;
}

.activity-card--selected {
  border: 2px solid var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.activity-card--selection-mode:hover {
  transform: translateY(-2px);
}

.activity-card--selected:hover {
  border-color: var(--color-primary, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Selection Checkbox for Activity Cards */
.activity-card__checkbox {
  position: absolute;
  top: var(--space-2, 0.5rem);
  left: var(--space-2, 0.5rem);
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  padding: var(--space-1, 0.25rem);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-card__checkbox-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-primary, #3b82f6);
}

.activity-card--selected .activity-card__checkbox {
  background: rgba(59, 130, 246, 0.9);
}

/* Sequence Card States for Smooth Transitions */
.sequence-card--current {
  z-index: 1000 !important;
}

.sequence-card--completed {
  pointer-events: none;
}

.sequence-card--pending {
  pointer-events: auto;
}

/* Utility Classes */
.collapsed-stack {
  transform: scale(0.95);
  opacity: 0.9;
}

.card-transition {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}