/* Welcome Panel Styles */
.welcome-panel {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%) translateX(-100%);
  width: 340px;
  max-height: 90vh;
  z-index: 40;
  transition: transform var(--transition-slow);
  padding-left: var(--spacing-lg);
}

.welcome-panel.active {
  transform: translateY(-50%) translateX(0);
}

.welcome-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
  position: relative;
}

.welcome-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--color-text-light);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.welcome-header {
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.welcome-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.welcome-subtitle {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.welcome-description {
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
}

.welcome-description em {
  color: var(--color-accent);
  font-style: normal;
  font-weight: 600;
}

.welcome-steps {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--spacing-md);
  background: var(--color-background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
}

.welcome-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.welcome-step-icon {
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.welcome-step-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.welcome-step-content strong {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.welcome-step-content span {
  color: var(--color-text-light);
  font-size: 0.7rem;
  line-height: 1.2;
}

.welcome-step-arrow {
  text-align: center;
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: bold;
  margin: 0;
  padding: 2px 0;
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: stretch;
}

.welcome-actions .btn {
  width: 100%;
  justify-content: center;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 0.875rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  text-align: center;
  transition: color var(--transition-fast);
  font-family: var(--font-body);
}

.btn-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Break Extension Panel - Same style as welcome panel */
.break-extension-panel {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%) translateX(-100%);
  width: 340px;
  max-height: 90vh;
  z-index: 40;
  transition: transform var(--transition-slow);
  padding-left: var(--spacing-lg);
}

.break-extension-panel.active {
  transform: translateY(-50%) translateX(0);
}

.extension-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

/* Custom scrollbar for extension panel */
.extension-content::-webkit-scrollbar {
  width: 8px;
}

.extension-content::-webkit-scrollbar-track {
  background: var(--color-background);
  border-radius: var(--radius-sm);
}

.extension-content::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

.extension-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Firefox scrollbar */
.extension-content {
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-background);
}

.extension-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--color-text-light);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.extension-header {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.extension-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.extension-subtitle {
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  font-size: 0.85rem;
}

.extension-exercises {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.extension-exercise-card {
  background: var(--color-background);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.extension-exercise-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.extension-exercise-card.selected {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface));
  box-shadow: 0 0 0 2px var(--color-accent), var(--shadow-md);
}

.extension-exercise-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xs);
}

.extension-exercise-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  flex: 1;
}

.extension-exercise-reward {
  background: var(--color-accent);
  color: white;
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.75rem;
  white-space: nowrap;
  margin-left: var(--spacing-sm);
}

.extension-exercise-meta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.extension-exercise-instructions {
  color: var(--color-text);
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-line;
  padding-top: var(--spacing-xs);
  margin-top: var(--spacing-xs);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.extension-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: stretch;
}

.extension-actions .btn {
  width: 100%;
  justify-content: center;
}

/* Success Message (in extension panel) */
.break-extension-panel .success-message {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: successSlideIn 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

@keyframes successSlideIn {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Celebration Particles */
.celebration-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.celebration-particles .particle {
  position: absolute;
  font-size: 1.5rem;
  animation: particleFloat 2s ease-out forwards;
  opacity: 0;
}

.celebration-particles .particle:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
}

.celebration-particles .particle:nth-child(2) {
  left: 30%;
  animation-delay: 0.1s;
}

.celebration-particles .particle:nth-child(3) {
  left: 50%;
  animation-delay: 0.2s;
}

.celebration-particles .particle:nth-child(4) {
  left: 70%;
  animation-delay: 0.15s;
}

.celebration-particles .particle:nth-child(5) {
  left: 85%;
  animation-delay: 0.25s;
}

.celebration-particles .particle:nth-child(6) {
  left: 20%;
  animation-delay: 0.3s;
}

@keyframes particleFloat {
  0% {
    bottom: 0%;
    opacity: 1;
    transform: translateY(0) rotate(0deg) scale(0.5);
  }
  50% {
    opacity: 1;
  }
  100% {
    bottom: 100%;
    opacity: 0;
    transform: translateY(-50px) rotate(360deg) scale(1.2);
  }
}

.break-extension-panel .success-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  animation: iconBounce 0.8s ease-out;
}

@keyframes iconBounce {
  0% {
    transform: scale(0) rotate(-180deg);
  }
  50% {
    transform: scale(1.2) rotate(10deg);
  }
  70% {
    transform: scale(0.9) rotate(-5deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
  }
}

.reward-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  color: white;
  font-size: 2rem;
  font-weight: 800;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  margin: var(--spacing-md) 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  animation: badgePop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.3s backwards;
}

@keyframes badgePop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.break-extension-panel .success-text {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Time Comparison */
.time-comparison {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  animation: fadeInUp 0.5s ease-out 0.5s backwards;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.time-before,
.time-after {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.time-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
  font-weight: 600;
}

.time-value {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
}

.time-arrow {
  font-size: 1.5rem;
  font-weight: bold;
  opacity: 0.8;
}

/* Animations */
@keyframes welcomeSlideIn {
  from {
    transform: translateY(-50%) translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .welcome-panel {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    width: 100%;
    max-height: 80vh;
    padding: 0;
    transform: translateY(100%);
  }

  .welcome-panel.active {
    transform: translateY(0);
  }

  .welcome-content {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 80vh;
  }

  .welcome-steps {
    padding: var(--spacing-md);
  }

  .welcome-step-icon {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }

  .break-extension-panel {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    width: 100%;
    max-height: 80vh;
    padding: 0;
    transform: translateY(100%);
  }

  .break-extension-panel.active {
    transform: translateY(0);
  }

  .extension-content {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 80vh;
  }
}

@media (max-width: 480px) {
  .welcome-content {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .welcome-title {
    font-size: 1.5rem;
  }

  .welcome-subtitle {
    font-size: 0.9rem;
  }
}