/**
 * Stella.Support — AI Visual Theme
 * Consistent visual language for AI-powered features
 */

/* ═══════════════════════════════════════════
   AI BADGES & INDICATORS
   ═══════════════════════════════════════════ */

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.15em 0.5em;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-ai-light);
  background: var(--color-ai-surface);
  border: 1px solid var(--color-ai-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.ai-badge .ai-sparkle {
  font-size: 0.7em;
}

.ai-badge--active {
  animation: ai-badge-glow 2s ease-in-out infinite;
}


/* ═══════════════════════════════════════════
   AI GLOW EFFECTS
   ═══════════════════════════════════════════ */

.ai-glow {
  box-shadow: var(--shadow-glow-ai);
}

.ai-glow-border {
  border: 1px solid var(--color-ai-border);
  box-shadow: var(--shadow-glow-ai);
}

/* Animated gradient border for AI panels */
.ai-border {
  position: relative;
  border: 1px solid transparent;
  background-clip: padding-box;
}

.ai-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-ai), var(--color-accent), var(--color-primary));
  z-index: -1;
  opacity: 0.5;
}


/* ═══════════════════════════════════════════
   AI CARD / PANEL
   ═══════════════════════════════════════════ */

.ai-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-ai-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ai-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ai-surface);
  border-bottom: 1px solid var(--color-ai-border);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-ai-light);
}

.ai-card-header .ai-icon {
  color: var(--color-ai);
}

.ai-card-body {
  padding: var(--space-4);
}

.ai-card-footer {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-ai-border);
  background: var(--color-ai-surface);
}


/* ═══════════════════════════════════════════
   AI COPILOT SIDEBAR
   ═══════════════════════════════════════════ */

.ai-copilot {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-ai-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ai-copilot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, var(--color-ai-surface), rgba(6, 182, 212, 0.04));
  border-bottom: 1px solid var(--color-ai-border);
}

.ai-copilot-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-ai-light);
}

.ai-copilot-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid var(--color-ai-border);
  border-radius: var(--radius-sm);
  color: var(--color-ai-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-xs);
}

.ai-copilot-toggle:hover {
  background: var(--color-ai-surface);
}

.ai-copilot-section {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.ai-copilot-section:last-child {
  border-bottom: none;
}

.ai-copilot-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

/* AI Suggestion Item */
.ai-suggestion {
  padding: var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.ai-suggestion:hover {
  border-color: var(--color-ai-border);
}

.ai-suggestion-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.ai-suggestion-actions .btn {
  font-size: var(--text-xs);
  padding: 0.2rem 0.5rem;
}


/* ═══════════════════════════════════════════
   SENTIMENT INDICATOR
   ═══════════════════════════════════════════ */

.sentiment-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.sentiment-positive {
  background: var(--color-success-bg);
  color: var(--color-success-light);
  border: 1px solid var(--color-success-border);
}

.sentiment-neutral {
  background: var(--color-info-bg);
  color: var(--color-info-light);
  border: 1px solid var(--color-info-border);
}

.sentiment-negative {
  background: var(--color-danger-bg);
  color: var(--color-danger-light);
  border: 1px solid var(--color-danger-border);
}


/* ═══════════════════════════════════════════
   AI CONFIDENCE BAR
   ═══════════════════════════════════════════ */

.ai-confidence {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.ai-confidence-bar {
  flex: 1;
  height: 6px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.ai-confidence-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-ai), var(--color-accent));
  transition: width var(--transition-slow);
}

.ai-confidence-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}


/* ═══════════════════════════════════════════
   AI INSIGHTS HERO (Dashboard)
   ═══════════════════════════════════════════ */

.ai-insights {
  position: relative;
  padding: var(--space-5);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--color-ai-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.ai-insights:not(.gradient-border)::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.ai-insights-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.ai-insights-title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.ai-insights-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.ai-insights-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}


/* ═══════════════════════════════════════════
   SHIMMER / LOADING ANIMATION
   ═══════════════════════════════════════════ */

.ai-shimmer {
  position: relative;
  overflow: hidden;
}

.ai-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(139, 92, 246, 0.08) 50%,
    transparent 100%
  );
  animation: ai-shimmer-sweep 2s ease-in-out infinite;
}

@keyframes ai-shimmer-sweep {
  0% { left: -100%; }
  100% { left: 100%; }
}


/* ═══════════════════════════════════════════
   AI PROCESSING STATE
   ═══════════════════════════════════════════ */

.ai-processing {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ai-light);
}

.ai-processing-dots {
  display: flex;
  gap: 3px;
}

.ai-processing-dots span {
  width: 4px;
  height: 4px;
  background: var(--color-ai);
  border-radius: 50%;
  animation: ai-dot-bounce 1.4s ease-in-out infinite;
}

.ai-processing-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-processing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes ai-dot-bounce {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}


/* ═══════════════════════════════════════════
   GLASSMORPHISM UTILITIES
   ═══════════════════════════════════════════ */

.glass {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
}

.glass-card {
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
}

.glass-strong {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-strong);
}


/* ═══════════════════════════════════════════
   STAT CARDS (Modern Dashboard)
   ═══════════════════════════════════════════ */

.stat-card-modern {
  position: relative;
  padding: var(--space-5);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.stat-card-modern:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.stat-card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card-modern.stat-primary::before { background: var(--color-primary); }
.stat-card-modern.stat-info::before { background: var(--color-info); }
.stat-card-modern.stat-success::before { background: var(--color-success); }
.stat-card-modern.stat-warning::before { background: var(--color-warning); }
.stat-card-modern.stat-danger::before { background: var(--color-danger); }
.stat-card-modern.stat-ai::before { background: linear-gradient(90deg, var(--color-ai), var(--color-accent)); }

.stat-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.stat-primary .stat-card-icon { background: var(--color-primary-50); color: var(--color-primary-light); }
.stat-info .stat-card-icon { background: var(--color-info-bg); color: var(--color-info-light); }
.stat-success .stat-card-icon { background: var(--color-success-bg); color: var(--color-success-light); }
.stat-warning .stat-card-icon { background: var(--color-warning-bg); color: var(--color-warning-light); }
.stat-danger .stat-card-icon { background: var(--color-danger-bg); color: var(--color-danger-light); }

.stat-card-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.stat-card-value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.stat-card-trend.trend-up { color: var(--color-success-light); }
.stat-card-trend.trend-down { color: var(--color-danger-light); }
.stat-card-trend.trend-flat { color: var(--color-text-tertiary); }


/* ═══════════════════════════════════════════
   COMMAND PALETTE
   ═══════════════════════════════════════════ */

.command-palette-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(8px);
  z-index: var(--z-command-palette);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.command-palette-backdrop.active {
  display: flex;
}

.command-palette {
  width: 100%;
  max-width: 560px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: command-palette-in 0.15s ease-out;
}

@keyframes command-palette-in {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.command-palette-input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-md);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  outline: none;
}

.command-palette-input::placeholder {
  color: var(--color-text-muted);
}

.command-palette-results {
  max-height: 320px;
  overflow-y: auto;
  padding: var(--space-2);
}

.command-palette-group {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.command-palette-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.command-palette-item:hover,
.command-palette-item.active {
  background: var(--color-bg-surface-hover);
  color: var(--color-text-primary);
}

.command-palette-item i {
  width: 20px;
  text-align: center;
  color: var(--color-text-tertiary);
}

.command-palette-item .ai-badge {
  margin-left: auto;
}

.command-palette-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.command-palette-footer kbd {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0 4px;
  font-size: var(--text-xs);
  font-family: var(--font-sans);
}


/* ═══════════════════════════════════════════
   ANIMATIONS (Global)
   ═══════════════════════════════════════════ */

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

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

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

.fade-in { animation: fadeIn var(--transition-slow) ease; }
.slide-in-up { animation: slideInUp var(--transition-slow) ease; }
.slide-in-down { animation: slideInDown var(--transition-slow) ease; }

@keyframes ai-badge-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
  50% { box-shadow: 0 0 8px 2px rgba(139, 92, 246, 0.2); }
}

/* Count-up animation helper */
.count-up {
  display: inline-block;
}


/* ═══════════════════════════════════════════
   SKELETON LOADING
   ═══════════════════════════════════════════ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-surface) 25%,
    var(--color-bg-surface-hover) 50%,
    var(--color-bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
}

.skeleton-heading {
  height: 24px;
  margin-bottom: var(--space-3);
  width: 60%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }


/* ═══════════════════════════════════════════
   SELECT2 DARK THEME OVERRIDES
   ═══════════════════════════════════════════ */

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  min-height: 38px;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--color-text-primary);
  line-height: 36px;
  padding-left: var(--space-3);
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 36px;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
  color: var(--color-text-muted);
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--multiple,
.select2-container--default.select2-container--open .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--multiple {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-50);
  outline: none;
}

.select2-dropdown {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-popover);
}

.select2-container--default .select2-search--dropdown .select2-search__field {
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  padding: var(--space-2);
}

.select2-container--default .select2-search--dropdown .select2-search__field:focus {
  border-color: var(--color-primary);
  outline: none;
}

.select2-container--default .select2-results__option {
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background-color: var(--color-primary-50);
  color: var(--color-primary-light);
}

.select2-container--default .select2-results__option[aria-selected="true"] {
  background-color: var(--color-bg-surface-hover);
  color: var(--color-text-primary);
}

.select2-container--default .select2-results__option--disabled {
  color: var(--color-text-muted);
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
  background-color: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  border-radius: var(--radius-sm);
  color: var(--color-primary-light);
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
  color: var(--color-primary-light);
  margin-right: var(--space-1);
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
  color: var(--color-danger-light);
}

.select2-container--default .select2-results__group {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-3);
}


/* ═══════════════════════════════════════════
   SPHERE LOGO
   ═══════════════════════════════════════════ */

.sphere-logo {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Sizes */
.sphere-logo--sm { width: 36px; height: 36px; }
.sphere-logo--md { width: 48px; height: 48px; }
.sphere-logo--lg { width: 72px; height: 72px; }

.sphere-logo__svg {
  width: 100%;
  height: 100%;
  animation: sphere-float 4s ease-in-out infinite;
  filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.6));
}

.sphere-logo--lg .sphere-logo__svg {
  filter: drop-shadow(0 0 16px rgba(139, 92, 246, 0.5));
}

/* Ambient glow behind the sphere */
.sphere-logo__glow {
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(167, 139, 250, 0.12) 40%, rgba(6, 182, 212, 0.06) 60%, transparent 75%);
  animation: sphere-glow-pulse 3s ease-in-out infinite;
  pointer-events: none;
}

/* Inner arcane core glow */
.sphere-logo__core {
  animation: sphere-core-pulse 3.5s ease-in-out infinite;
}

/* Orbital rings rotate */
.sphere-logo__ring--1 {
  animation: sphere-orbit 8s linear infinite;
  transform-origin: 50px 50px;
}

.sphere-logo__ring--2 {
  animation: sphere-orbit-reverse 12s linear infinite;
  transform-origin: 50px 50px;
}

/* Star sparkles */
.sphere-logo__sparkle {
  animation: sphere-sparkle 2.5s ease-in-out infinite;
}
.sphere-logo__sparkle--1 { animation-delay: 0s;   animation-duration: 2.2s; }
.sphere-logo__sparkle--2 { animation-delay: 0.6s; animation-duration: 2.8s; }
.sphere-logo__sparkle--3 { animation-delay: 1.2s; animation-duration: 2.4s; }
.sphere-logo__sparkle--4 { animation-delay: 1.8s; animation-duration: 3.0s; }

/* Wandering particle motes */
.sphere-logo__mote {
  animation: sphere-mote-drift 6s ease-in-out infinite;
}
.sphere-logo__mote--1 { animation-delay: 0s;   animation-duration: 7s; }
.sphere-logo__mote--2 { animation-delay: 2.5s; animation-duration: 8s; }
.sphere-logo__mote--3 { animation-delay: 4s;   animation-duration: 6s; }


/* Satellite glow pulse */
.sphere-logo__sat {
  animation: sphere-sat-pulse 3s ease-in-out infinite;
}

/* Hover interaction */
.sidebar-brand:hover .sphere-logo__svg,
.auth-logo-box:hover .sphere-logo__svg {
  filter: drop-shadow(0 0 18px rgba(139, 92, 246, 0.8))
         drop-shadow(0 0 6px rgba(167, 139, 250, 0.4));
}

.sidebar-brand:hover .sphere-logo__glow,
.auth-logo-box:hover .sphere-logo__glow {
  animation: sphere-glow-pulse 1.5s ease-in-out infinite;
}

.sidebar-brand:hover .sphere-logo__core,
.auth-logo-box:hover .sphere-logo__core {
  animation: sphere-core-pulse 1s ease-in-out infinite;
}

/* ── Sphere Keyframes ── */

@keyframes sphere-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes sphere-glow-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  30% { opacity: 0.9; transform: scale(1.08); }
  70% { opacity: 0.7; transform: scale(1.12); }
}

@keyframes sphere-core-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

@keyframes sphere-orbit {
  from { transform: rotate(-25deg); }
  to { transform: rotate(335deg); }
}

@keyframes sphere-orbit-reverse {
  from { transform: rotate(35deg); }
  to { transform: rotate(-325deg); }
}

@keyframes sphere-sparkle {
  0%   { opacity: 0.15; transform: scale(0.6); }
  50%  { opacity: 1;    transform: scale(1.2); }
  100% { opacity: 0.15; transform: scale(0.6); }
}

@keyframes sphere-mote-drift {
  0%   { opacity: 0;   transform: translate(0, 0) scale(0.5); }
  20%  { opacity: 0.7; transform: translate(3px, -4px) scale(1); }
  50%  { opacity: 0.5; transform: translate(-2px, -8px) scale(0.8); }
  80%  { opacity: 0.6; transform: translate(4px, -3px) scale(1.1); }
  100% { opacity: 0;   transform: translate(0, 0) scale(0.5); }
}

@keyframes sphere-sat-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}