/* Loader */
.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-fixed);
  display: grid;
  place-items: center;
  background: radial-gradient(600px 400px at 50% 0%, rgba(32, 178, 170, 0.08), transparent 40%), var(--bg);
}

.loader-card {
  width: 300px;
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.8);
  box-shadow: var(--shadow);
  text-align: center;
}

.progress {
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.08);
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress > i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
}

.spinner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.15);
  border-top-color: var(--accent2);
  margin: 10px auto 16px;
  animation: spin var(--duration-normal) linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Enhanced zipper compare */
.zipper {
  position: relative;
  height: 400px;
  border-radius: var(--radius-xxl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.9);
  box-shadow: var(--shadow);
  margin: 30px 0;
}

.zipper .left, .zipper .right {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.zipper .left {
  background-image: url('https://images.unsplash.com/photo-1543852786-1cf6624b9987?w=1200&h=800&fit=crop');
  clip-path: polygon(0 0, var(--split,50%) 0, var(--split,50%) 100%, 0 100%);
  transition: clip-path 0.1s linear;
}

.zipper .right {
  background-image: url('https://images.unsplash.com/photo-1513245543132-31f507417b26?w=1200&h=800&fit=crop');
}

.zipper .handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50px;
  left: calc(var(--split,50%) - 25px);
  background: linear-gradient(180deg, rgba(32, 178, 170, 0.15), rgba(32, 178, 170, 0.08));
  border-left: 2px solid var(--accent2);
  border-right: 2px solid var(--accent2);
  display: grid;
  place-items: center;
  cursor: ew-resize;
  transition: all 0.3s ease;
  z-index: 10;
}

.zipper .handle:hover {
  transform: scale(1.1);
  box-shadow: var(--glow-yellow);
}

.zipper .pull {
  width: 30px;
  height: 70px;
  border-radius: 10px;
  background: var(--accent2);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: bold;
}

.zipper input[type=range] {
  position: absolute;
  inset: 0;
  appearance: none;
  background: transparent;
  cursor: ew-resize;
  z-index: 20;
}

.zipper input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 60px;
  height: 60px;
  background: transparent;
  cursor: ew-resize;
}

.zipper .label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(0,0,0,.6);
  padding: 10px 15px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  backdrop-filter: blur(5px);
  animation: labelPulse 2s infinite;
}

@keyframes labelPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Enhanced Products row */
.products-row {
  display: flex;
  gap: var(--spacing-xl);
  overflow: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 4px;
}

.product {
  min-width: 240px;
  scroll-snap-align: start;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.2), rgba(255,255,255,.1));
  overflow: hidden;
  transition: var(--transition-slow);
  transform-style: preserve-3d;
  position: relative;
  backdrop-filter: blur(10px);
}

.product:hover {
  transform: rotateY(15deg) translateZ(20px);
  box-shadow:
    0 15px 35px rgba(0,0,0,.2),
    0 0 25px var(--glow-green),
    inset 0 0 10px rgba(255,255,255,.3);
  border: 1px solid rgba(32, 178, 170, 0.6);
}

.product .thumb {
  height: 180px;
  background-size: cover;
  background-position: center;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--border);
}

.product .thumb:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--glow-yellow);
}

.product .pbody {
  padding: var(--spacing-md) var(--spacing-lg);
}

.product h4 {
  margin: var(--spacing-sm) 0 var(--spacing-xs);
  font-weight: 600;
}

.product .price {
  color: var(--accent2);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

/* Enhanced Auth card */
.auth-wrap {
  min-height: calc(100vh - 70px);
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(880px, 94vw);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-xxl);
  overflow: hidden;
  background: linear-gradient(180deg, var(--glass), rgba(255,255,255,.1));
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2), 0 0 20px rgba(32, 178, 170, 0.15);
  animation: cardEntrance var(--duration-slower) ease-out;
}

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

.auth-visual {
  padding: 26px;
  background:
    radial-gradient(800px 500px at 0% 0%, rgba(32, 178, 170, 0.1), rgba(0,0,0,0)),
    linear-gradient(135deg, rgba(255, 215, 0, 0.12), rgba(255, 215, 0, 0.05));
  position: relative;
  overflow: hidden;
}

.auth-visual::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(32, 178, 170, 0.08) 0%, transparent 70%);
  animation: rotate 10s linear infinite;
}

.auth-visual h2 {
  margin: 0 0 8px;
  animation: fadeInUp var(--duration-normal) ease-out;
}

.auth-form {
  padding: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,.05));
  position: relative;
}

.field {
  display: grid;
  gap: 6px;
  margin: 12px 0;
  animation: fadeIn var(--duration-fast) ease-out;
}

.field:nth-child(1) { animation-delay: 0.1s; }
.field:nth-child(2) { animation-delay: 0.2s; }
.field:nth-child(3) { animation-delay: 0.3s; }

.input {
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.1);
  color: var(--text);
  outline: none;
  transition: var(--transition-normal);
  width: 100%;
}

.input:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 10px var(--glow-yellow);
  transform: translateY(-2px);
}

.input::placeholder {
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.input:focus::placeholder {
  color: transparent;
}

.inline {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  animation: fadeIn var(--duration-fast) ease-out;
}

.inline:nth-child(4) { animation-delay: 0.4s; }
.inline:nth-child(5) { animation-delay: 0.5s; }

.link {
  color: var(--accent2);
  transition: var(--transition-normal);
}

.link:hover {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(32, 178, 170, 0.6);
}

.switch {
  margin-top: 10px;
  text-align: center;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

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

@media (max-width: 900px) {
  .auth-card { grid-template-columns: 1fr; }
}

/* Horizontal Ring - Plates Around Invisible Pole */
.ring-wrap {
  perspective: 1500px;
  width: 100%;
  height: 500px;
  position: relative;
  margin: 40px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.ring {
  width: 400px;
  height: 400px;
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}

.ring:hover {
  animation-play-state: paused;
}

/* Circle layout for auto-rotating product showcase */
.ring .panel {
  width: 220px;
  height: 260px;
}

.ring .thumb {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  margin: 0 auto 12px;
  border: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2), 0 0 20px rgba(32, 178, 170, 0.4);
}

.ring .meta {
  text-align: center;
  font-weight: 700;
}

/* Hairline and underline fixes for ring/popup */
/* Remove borders that can show as thin lines during 3D rotation */
.ring .panel-front,
.ring .panel-back {
  border: none !important;
}

/* Ensure hover state doesn't reintroduce borders */
.ring .panel:hover .panel-front,
.ring .panel:hover .panel-back {
  border: none !important;
}

/* Prevent hairline artifacts on 3D faces */
.panel,
.panel-front,
.panel-back {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Remove link underlines inside buttons (e.g., emergency button link) */
.btn a {
  text-decoration: none;
  color: inherit;
  display: inline-block;
}

/* Card-like panels that flip */
.panel {
  position: absolute;
  width: 180px;
  height: 240px;
  left: 50%;
  top: 50%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

/* Front and back of the card */
.panel-front,
.panel-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: 
    0 10px 30px rgba(0,0,0,.3),
    0 0 20px rgba(32, 178, 170, 0.3);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border);
}

.panel-front {
  background: linear-gradient(180deg, rgba(255,255,255,.25), rgba(255,255,255,.1));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.panel-back {
  background: linear-gradient(180deg, rgba(32, 178, 170, 0.15), rgba(255, 215, 0, 0.08));
  transform: rotateY(180deg);
  padding: 15px;
  overflow-y: auto;
}

/* Panel positioning around the horizontal ring */
.panel:nth-child(1) {
  transform: translate(-50%, -50%) rotateY(0deg) translateZ(200px);
}

.panel:nth-child(2) {
  transform: translate(-50%, -50%) rotateY(60deg) translateZ(200px);
}

.panel:nth-child(3) {
  transform: translate(-50%, -50%) rotateY(120deg) translateZ(200px);
}

.panel:nth-child(4) {
  transform: translate(-50%, -50%) rotateY(180deg) translateZ(200px);
}

.panel:nth-child(5) {
  transform: translate(-50%, -50%) rotateY(240deg) translateZ(200px);
}

.panel:nth-child(6) {
  transform: translate(-50%, -50%) rotateY(300deg) translateZ(200px);
}

/* Flipped state */
.panel.flipped .panel-front {
  transform: rotateY(-180deg);
}

.panel.flipped .panel-back {
  transform: rotateY(0deg);
}

/* Hover effects */
.panel:hover {
  transform: translate(-50%, -50%) rotateY(var(--panel-rotation, 0deg)) translateZ(250px) scale(1.1);
  z-index: 10;
}

.panel:hover .panel-front,
.panel:hover .panel-back {
  box-shadow: 
    0 20px 50px rgba(0,0,0,.4),
    0 0 40px rgba(32, 178, 170, 0.8),
    inset 0 0 20px rgba(255,255,255,.3);
  border: 2px solid rgba(32, 178, 170, 0.9);
}

/* Front card content */
.panel-front .thumb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  margin-bottom: 15px;
  border: 3px solid rgba(32, 178, 170, 0.6);
  transition: all 0.3s ease;
}

.panel-front .meta {
  color: var(--text-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.panel-front .price {
  color: var(--accent2);
  font-weight: 600;
  font-size: 1rem;
}

.panel-front .flip-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.7;
  animation: pulse 2s infinite;
}

/* Back card content */
.panel-back h3 {
  color: var(--text-heading);
  font-size: 1.2rem;
  margin-bottom: 15px;
  text-align: center;
}

.panel-back .product-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 15px;
}

.panel-back .detail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.panel-back .detail-icon {
  font-size: 1.1rem;
  filter: drop-shadow(0 0 5px rgba(120, 219, 255, 0.6));
}

.panel-back .product-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 15px;
}

.panel-back .product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 15px;
}

.panel-back .feature-tag {
  background: rgba(32, 178, 170, 0.2);
  border: 1px solid rgba(32, 178, 170, 0.4);
  border-radius: 12px;
  padding: 4px 8px;
  font-size: 0.7rem;
  color: var(--accent);
}

.panel-back .action-buttons {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.panel-back .btn-small {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(32, 178, 170, 0.1);
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.panel-back .btn-small:hover {
  background: rgba(32, 178, 170, 0.25);
  transform: translateY(-2px);
}

.panel-back .btn-small.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #051019;
  font-weight: 600;
}

.panel-back .close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.2);
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: var(--accent2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.panel-back .close-btn:hover {
  background: rgba(255, 215, 0, 0.4);
  transform: scale(1.1);
}

.thumb {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  margin-bottom: 15px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.thumb:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--glow-yellow);
}

.meta {
  color: var(--text);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.price {
  color: var(--accent2);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Enhanced Card Component */
.card {
  grid-column: span 4;
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,255,254,.9));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 18px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform: translateZ(0);
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateZ(20px) translateY(-8px);
  box-shadow:
    0 15px 35px rgba(0,0,0,.2),
    0 0 25px var(--glow-green),
    inset 0 0 10px rgba(255,255,255,.3);
  border: 1px solid rgba(32, 178, 170, 0.6);
}

.card.floating {
  animation: float 6s ease-in-out infinite;
}

.card.large {
  grid-column: span 8;
}

.card .art {
  height: 180px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(250px 150px at 70% 10%, rgba(32, 178, 170, 0.12), transparent 40%),
    radial-gradient(250px 150px at 30% 90%, rgba(255, 215, 0, 0.08), transparent 40%),
    linear-gradient(135deg, rgba(255,255,255,.95), rgba(248,255,254,.85));
  border: 1px solid var(--border);
  box-shadow: inset 0 0 60px rgba(26, 26, 26, 0.05);
  transition: all 0.4s ease;
}

.card .art:hover {
  box-shadow:
    inset 0 0 30px var(--glow-green),
    0 0 20px var(--glow-green);
  transform: scale(1.02);
}

.card h3 {
  margin: 10px 0 6px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: .95rem;
}

.pill {
  position: absolute;
  right: 16px;
  top: 16px;
  font-size: .75rem;
  opacity: .85;
  background: rgba(255, 215, 0, 0.2);
  border: 1px solid rgba(255, 215, 0, 0.4);
  padding: 6px 10px;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.pill:hover {
  background: rgba(255, 215, 0, 0.4);
  box-shadow: 0 0 15px var(--glow-yellow);
  transform: scale(1.1);
}

@media (max-width: 900px) {
  .card { grid-column: span 12; }
  .card.large { grid-column: span 12; }
}

@keyframes float {
  0%, 100% { transform: translateZ(0) translateY(0); }
  50% { transform: translateZ(10px) translateY(-15px); }
}

/* Enhanced button animations */
.btn {
  padding: 14px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 700;
  background: var(--accent);
  color: #051019;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: all 0.8s ease;
}

.btn:hover {
  box-shadow:
    0 0 25px var(--glow-green),
    inset 0 0 15px rgba(255,255,255,.5);
  transform: translateY(-5px);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn.ghost {
  background: var(--glass);
  color: var(--text);
  box-shadow: 0 0 10px rgba(255,255,255,.1);
}

.btn.ghost:hover {
  background: linear-gradient(135deg, rgba(32, 178, 170, 0.15), rgba(255, 215, 0, 0.1));
  box-shadow:
    0 0 25px var(--glow-green),
    inset 0 0 10px rgba(255,255,255,.3);
}

/* Enhanced tag component */
.tag {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(32, 178, 170, 0.12), rgba(255, 215, 0, 0.08));
  border: 1px solid rgba(32, 178, 170, 0.3);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(5px);
}

.tag:hover {
  background: linear-gradient(135deg, rgba(32, 178, 170, 0.2), rgba(255, 215, 0, 0.15));
  box-shadow:
    0 0 20px var(--glow-yellow),
    inset 0 0 15px rgba(255,255,255,.3);
  transform: translateY(-3px) scale(1.05);
}

/* Depth effects */
.depth-container {
  perspective: 1000px;
  transform-style: preserve-3d;
}

.depth-element {
  transform: translateZ(0);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.depth-element:hover {
  transform: translateZ(30px);
}

.depth-shadow-1 {
  box-shadow:
    0 4px 12px rgba(0,0,0,0.1),
    0 0 8px rgba(32, 178, 170, 0.3);
}

.depth-shadow-2 {
  box-shadow:
    0 8px 20px rgba(0,0,0,0.15),
    0 0 15px rgba(32, 178, 170, 0.4),
    inset 0 0 8px rgba(255, 215, 0, 0.2);
}

.depth-shadow-3 {
  box-shadow:
    0 12px 30px rgba(0,0,0,0.2),
    0 0 25px rgba(32, 178, 170, 0.5),
    inset 0 0 12px rgba(255, 215, 0, 0.3);
}