/* ============================================
   CUSTOM BACKGROUND - Grid Pattern
   ============================================ */
body {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    radial-gradient(circle at 20% 20%, rgba(122, 214, 255, 0.12), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(255, 185, 122, 0.18), transparent 40%),
    #050912;
  background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%, 100% 100%;
  background-attachment: fixed;
}

/* ============================================
   HERO SECTION - Animated Background
   ============================================ */
.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(109, 240, 194, 0.3), transparent 60%);
  animation: heroPulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes heroPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* ============================================
   BRAND MARK - Glow Effect
   ============================================ */
.brand-mark::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 22px;
  background: linear-gradient(135deg, #6df0c2, #4ac9ff);
  opacity: 0.3;
  filter: blur(12px);
  z-index: -1;
}

/* ============================================
   PANEL ZONE ACCENTS - Top Border Gradients
   ============================================ */
.panel-input::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4ac9ff, transparent);
  opacity: 0.8;
}

.panel-filter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #6df0c2, transparent);
  opacity: 0.8;
}

.panel-saved::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #00ff9f);
  opacity: 0.8;
}

.panel-output::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6df0c2, transparent, #6df0c2);
  opacity: 0.8;
}

/* ============================================
   WORKFLOW STEPS - Enhanced Visual Treatment
   ============================================ */
.workflow-step {
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(255, 255, 255, 0.01);
}

.workflow-step:hover {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   WORKFLOW ARROWS - Animated Flow
   ============================================ */
@media (min-width: 1024px) {
  .workflow-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.15);
    z-index: 1;
    animation: flowArrow 2s ease-in-out infinite;
  }
}

@keyframes flowArrow {
  0%, 100% {
    opacity: 0.3;
    transform: translateY(-50%) translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) translateX(5px);
  }
}

@media (max-width: 1023px) {
  .workflow-step:not(:last-child)::after {
    content: '↓';
    position: absolute;
    right: 50%;
    top: auto;
    bottom: -18px;
    transform: translateX(50%);
    font-size: 24px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.15);
    z-index: 1;
    animation: flowArrowVertical 2s ease-in-out infinite;
  }
}

@keyframes flowArrowVertical {
  0%, 100% {
    opacity: 0.3;
    transform: translateX(50%) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(50%) translateY(3px);
  }
}

/* ============================================
   MODAL ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ============================================
   TOGGLE SWITCH - Custom Component
   ============================================ */
.switch {
  flex-shrink: 0;
  width: 50px;
  height: 26px;
  position: relative;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider:before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 3px;
  background-color: #031019;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.45);
}

.switch input:checked + .slider {
  background: linear-gradient(135deg, #6df0c2, #00ff9f);
  border-color: transparent;
}

.switch input:checked + .slider:before {
  transform: translateX(22px);
}

/* ============================================
   DYNAMICALLY GENERATED ELEMENTS (via JS)
   ============================================ */

/* Group List Items */
.group-virtual {
  position: relative;
  overflow-y: auto;
  max-height: 60vh;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 6px 0;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.group-virtual::-webkit-scrollbar {
  width: 10px;
}

.group-virtual::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 5px;
}

.group-virtual::-webkit-scrollbar-thumb {
  background: #6df0c2;
  border-radius: 5px;
  border: 2px solid rgba(5, 9, 18, 0.5);
}

.group-virtual::-webkit-scrollbar-thumb:hover {
  background: #00ff9f;
}

.group-spacer {
  width: 100%;
}

.group-items-layer {
  position: absolute;
  left: 0;
  right: 0;
}

.group-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  margin: 0 6px 8px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.2s ease;
  min-height: 56px;
}

.group-list-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: #6df0c2;
  transform: translateX(4px);
}

.group-list-item.disabled {
  opacity: 0.45;
  border-color: rgba(255, 255, 255, 0.03);
  background: rgba(255, 255, 255, 0.01);
}

.group-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.group-title {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.group-count {
  font-size: 12px;
  color: #aab6ce;
}

/* Saved Playlist Items */
.saved-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.2s ease;
  cursor: pointer;
}

.saved-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: #4ac9ff;
}

.saved-item.active {
  border-color: #6df0c2;
  background: rgba(109, 240, 194, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.saved-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.saved-name {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.saved-sub {
  color: #aab6ce;
  font-size: 12px;
}

.saved-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* Stat Cards */
.stat-card {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #aab6ce;
  font-weight: 600;
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, #6df0c2, #00ff9f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Select Menu Options */
.select-option {
  padding: 10px 12px;
  border-radius: 10px;
  color: #e7ecf5;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid transparent;
}

.select-option small {
  color: #aab6ce;
  font-size: 12px;
}

.select-option:hover {
  background: rgba(255, 255, 255, 0.08);
}

.select-option.active {
  border: 1px solid rgba(109, 240, 194, 0.4);
  background: rgba(109, 240, 194, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Tone variants for pills */
.pill.tone-info {
  color: #4ac9ff;
  border-color: #4ac9ff;
  background: rgba(74, 201, 255, 0.2);
}

.pill.tone-success {
  color: #6df0c2;
  border-color: #6df0c2;
  background: rgba(109, 240, 194, 0.2);
}

.pill.tone-warn {
  color: #ff9d7c;
  border-color: #ff9d7c;
  background: rgba(255, 157, 124, 0.2);
}