/* ════════════════════════════════════════════════════════
   ARDEN LABS — COMPONENTS
   ════════════════════════════════════════════════════════ */

/* ══════════════════
   BUTTONS
══════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--teal);
  color: var(--void);
  border-color: var(--teal);
}

.btn-primary:hover {
  background: #00bfd4;
  color: var(--void);
  box-shadow: 0 4px 24px rgba(0,212,232,0.35);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-outline {
  background: transparent;
  color: var(--text-200);
  border-color: var(--border-mid);
}

.btn-outline:hover {
  border-color: rgba(0,212,232,0.5);
  color: var(--teal);
  background: rgba(0,212,232,0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-300);
  border-color: transparent;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-100);
}

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: rgba(255,61,87,0.3);
}

.btn-danger:hover {
  background: var(--red-glow);
  border-color: var(--red);
}

.btn-sm { padding: 6px 14px; font-size: 0.74rem; letter-spacing: 0.02em; }
.btn-lg { padding: 13px 30px; font-size: 0.88rem; }
.btn-xl { padding: 15px 38px; font-size: 0.92rem; letter-spacing: 0.05em; }
.btn-full { width: 100%; }

.btn-icon {
  width: 36px; height: 36px;
  padding: 0;
  flex-shrink: 0;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* ══════════════════
   FORMS
══════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-400);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  color: var(--text-100);
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--t-fast) var(--ease);
  width: 100%;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-500);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--teal);
  background: var(--depth-4);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%234d6d88' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-400);
  line-height: 1.5;
}

.form-error {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--red);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.full { grid-template-columns: 1fr; }

@media (max-width: 600px) {
  .form-row, .form-row.cols-3 { grid-template-columns: 1fr; }
}

/* ── Checkbox / Radio ── */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 15px; height: 15px;
  border: 1px solid var(--border-mid);
  border-radius: 3px;
  background: var(--depth-3);
  cursor: pointer;
  accent-color: var(--teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.form-check-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-300);
  line-height: 1.6;
}

/* ══════════════════
   CARDS
══════════════════ */
.card {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.card-hover {
  transition: all var(--t-mid) var(--ease);
  cursor: pointer;
}

.card-hover:hover {
  border-color: var(--border-lit);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(0,212,232,0.08);
}

.card-sm { padding: var(--space-lg); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-dim);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-dim);
}

/* Product card */
.product-card {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-card);
}

/* Teal top-edge accent line — reveals on hover */
.product-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--teal) 40%, var(--teal-dim) 60%, transparent 100%);
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease);
  z-index: 2;
  pointer-events: none;
}

/* Inner gradient overlay — reveals on hover */
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, rgba(0,212,232,0.03) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease);
  pointer-events: none;
  z-index: 1;
}

.product-card:hover {
  border-color: rgba(0,212,232,0.28);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.product-card:hover::before { opacity: 1; }
.product-card:hover::after  { opacity: 1; }

.product-card-img {
  aspect-ratio: 16/10;
  background: var(--depth-2);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Layered ambient light gradient */
.product-card-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(0,212,232,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 80%, rgba(0,230,118,0.04) 0%, transparent 50%),
    linear-gradient(160deg, var(--depth-3) 0%, var(--depth-1) 100%);
  pointer-events: none;
}

/* Dot-grid texture overlay */
.product-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  background-position: 9px 9px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 80%);
  pointer-events: none;
  opacity: 0.45;
}

.product-card-img-placeholder {
  font-size: 2.8rem;
  opacity: 0.09;
  filter: drop-shadow(0 0 20px rgba(0,212,232,0.5));
  position: relative;
  z-index: 1;
  line-height: 1;
  color: var(--teal);
  user-select: none;
}

/* Glow ring under the hex icon */
.product-card-img-placeholder::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,232,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Actual product photo thumbnail in catalog/related cards */
.product-card-thumbnail {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  display: block;
}

.product-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
}

.product-card-body {
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card-cat {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  opacity: 0.9;
}

.product-card-name {
  font-family: var(--font-ui);
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-100);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.product-card-sku {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-500);
  margin-top: 1px;
  letter-spacing: 0.04em;
}

.product-card-purity {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.purity-bar {
  flex: 1;
  height: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: 1px;
  overflow: hidden;
}

.purity-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 1px;
}

.purity-label {
  font-family: var(--font-mono);
  font-size: 0.59rem;
  color: var(--green);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.05);
  background: rgba(0,0,0,0.18);
  gap: 8px;
  margin-top: var(--space-sm);
}

.product-price {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-100);
  letter-spacing: -0.01em;
}

.product-price .unit {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-400);
  font-weight: 400;
}

/* ══════════════════
   NAVIGATION
══════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(2,6,9,0.94);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--border-dim);
  z-index: 500;
  display: flex;
  align-items: center;
}

.nav-inner {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-pad);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 30px; height: 30px;
  border: 1.5px solid rgba(0,212,232,0.5);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: rgba(0,212,232,0.07);
  box-shadow: 0 0 16px rgba(0,212,232,0.12), inset 0 1px 0 rgba(255,255,255,0.06);
}

.nav-logo-mark svg {
  width: 16px; height: 16px;
  color: var(--teal);
}

.nav-logo-text {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.nav-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-top: -1px;
}

/* ── New image-based logos ── */
.nav-logo-img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  /* Keep teal brand colour on dark bg — image already has transparency */
  filter: brightness(1.05);
}

.footer-logo-img {
  display: block;
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  opacity: 0.85;
  filter: brightness(0.9);
}

@media (max-width: 480px) {
  .nav-logo-img {
    height: 28px;
    max-width: 140px;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-400);
  padding: 6px 12px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: color var(--t-fast), background var(--t-fast);
  cursor: pointer;
  border: none;
  background: none;
  position: relative;
}

.nav-link:hover { color: var(--text-100); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--teal); background: rgba(0,212,232,0.07); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
}

.nav-search-btn, .nav-cart-btn, .nav-account-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-dim);
  background: none;
  color: var(--text-400);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
  position: relative;
}

.nav-search-btn:hover, .nav-cart-btn:hover, .nav-account-btn:hover {
  border-color: var(--border-lit);
  color: var(--text-100);
  background: rgba(255,255,255,0.05);
}

.nav-cart-btn .badge {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--teal);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--void);
}

.nav-mobile-toggle {
  display: none;
  width: 34px; height: 34px;
  border: 1px solid var(--border-dim);
  background: none;
  color: var(--text-300);
  border-radius: var(--r-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-mobile-toggle:hover {
  color: var(--text-100);
  background: rgba(255,255,255,0.05);
}

.nav-disclaimer-bar {
  background: linear-gradient(90deg, rgba(255,171,0,0.06) 0%, rgba(255,171,0,0.04) 50%, rgba(255,171,0,0.06) 100%);
  border-bottom: 1px solid rgba(255,171,0,0.14);
  padding: 0 var(--content-pad);
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,171,0,0.72);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 501;
  overflow: hidden;
}

.nav-disclaimer-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 6px,
    rgba(255,171,0,0.015) 6px,
    rgba(255,171,0,0.015) 7px
  );
  pointer-events: none;
}

.nav-disclaimer-bar .ruo-dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(255,171,0,0.5);
  flex-shrink: 0;
  vertical-align: middle;
}

.nav-disclaimer-bar .ruo-sep {
  color: rgba(255,171,0,0.25);
  letter-spacing: 0;
  margin: 0 4px;
}

.nav.with-disclaimer {
  top: 32px;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2,6,9,0.97);
  backdrop-filter: blur(32px);
  z-index: 600;
  flex-direction: column;
  padding: var(--space-xl);
  padding-top: calc(var(--nav-h) + var(--space-xl));
}

.mobile-nav.open { display: flex; }

.mobile-nav-link {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-300);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-dim);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--t-fast);
  letter-spacing: -0.01em;
}

.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--teal); }

/* ══════════════════
   FOOTER
══════════════════ */
.footer {
  background: var(--depth-1);
  border-top: 1px solid var(--border-dim);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-400);
  line-height: 1.7;
  max-width: 300px;
  margin-top: var(--space-md);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-400);
  margin-bottom: var(--space-md);
}

.footer-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-400);
  margin-bottom: 10px;
  transition: color var(--t-fast);
  cursor: pointer;
  text-decoration: none;
}

.footer-link:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid var(--border-dim);
  padding-top: var(--space-xl);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-500);
  line-height: 1.7;
  max-width: 640px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.footer-badge {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-400);
}

/* ══════════════════
   MODALS / PANELS
══════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 700;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--depth-3);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-xl);
  padding: var(--space-2xl);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s var(--ease-out);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Slide panel (cart) */
.slide-panel {
  position: fixed;
  top: 0; right: 0;
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  background: var(--depth-2);
  border-left: 1px solid var(--border-mid);
  z-index: 700;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--t-mid) var(--ease-out);
}

.slide-panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl);
}

.panel-footer {
  flex-shrink: 0;
  padding: var(--space-xl);
  border-top: 1px solid var(--border-dim);
  background: var(--depth-1);
}

/* ══════════════════
   SEARCH OVERLAY
══════════════════ */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(16px);
  z-index: 600;
  display: none;
  flex-direction: column;
  align-items: center;
  padding-top: 12vh;
}

.search-overlay.open { display: flex; }

.search-box {
  width: 92%;
  max-width: 660px;
  background: var(--depth-3);
  border: 1px solid var(--border-lit);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0 var(--space-lg);
  box-shadow: var(--shadow-teal), var(--shadow-lg);
}

.search-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-100);
  font-family: var(--font-ui);
  font-size: 1.05rem;
  padding: 18px 0;
  outline: none;
}

.search-box input::placeholder { color: var(--text-400); }

.search-hint {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-500);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.search-hint kbd {
  background: var(--depth-4);
  border: 1px solid var(--border-mid);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.58rem;
  color: var(--text-400);
}

.search-results {
  width: 92%;
  max-width: 660px;
  margin-top: 6px;
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 12px var(--space-lg);
  border-bottom: 1px solid var(--border-dim);
  cursor: pointer;
  transition: background var(--t-fast);
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: rgba(0,212,232,0.06); }

/* ══════════════════
   TOAST NOTIFICATIONS
══════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 800;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--depth-3);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-200);
  box-shadow: var(--shadow-md);
  animation: toastIn 0.25s var(--ease-out);
  min-width: 240px;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--teal); }

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

/* ══════════════════
   TABLES
══════════════════ */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

thead th {
  background: var(--depth-4);
  color: var(--text-400);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-dim);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-200);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: rgba(0,212,232,0.025); }

/* ══════════════════
   PURITY DISPLAY
══════════════════ */
.purity-display {
  display: flex;
  align-items: center;
  gap: 8px;
}

.purity-display .bar {
  width: 60px;
  height: 3px;
  background: var(--border-dim);
  border-radius: 2px;
  overflow: hidden;
}

.purity-display .fill {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
}

.purity-display .val {
  font-size: 0.65rem;
  color: var(--green);
}

/* ══════════════════
   BREADCRUMB
══════════════════ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-400);
  flex-wrap: wrap;
}

.breadcrumb a, .breadcrumb span.link {
  color: var(--text-400);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--t-fast);
}

.breadcrumb a:hover, .breadcrumb span.link:hover { color: var(--teal); }

.breadcrumb .sep { color: var(--text-500); }

/* ══════════════════
   TABS
══════════════════ */
.tabs { display: flex; flex-direction: column; }

.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border-dim);
  gap: 0;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 10px 20px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-400);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast);
  letter-spacing: 0.02em;
}

.tab-btn:hover { color: var(--text-200); }

.tab-btn.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.tab-panel { display: none; padding-top: var(--space-xl); }
.tab-panel.active { display: block; }

/* ══════════════════
   EMAIL SIGNUP
══════════════════ */
.email-signup-section {
  background: var(--depth-2);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  padding: var(--space-3xl) 0;
}

.email-signup-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3xl);
}

.email-signup-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.email-signup-form .form-input {
  min-width: 280px;
}

@media (max-width: 768px) {
  .email-signup-inner { flex-direction: column; align-items: flex-start; }
  .email-signup-form .form-input { min-width: 0; width: 100%; }
  .email-signup-form { width: 100%; flex-direction: column; }
}

/* ══════════════════
   POLICY CONTENT
══════════════════ */
.policy-content {
  max-width: 780px;
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-300);
  line-height: 1.9;
}

.policy-content h2 {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-100);
  margin: var(--space-xl) 0 var(--space-md);
  letter-spacing: 0;
}

.policy-content h3 {
  font-size: 0.9rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--text-200);
}

.policy-content p { margin-bottom: var(--space-md); }

.policy-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
}

.policy-content ul li {
  padding: 4px 0 4px 16px;
  position: relative;
}

.policy-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.7rem;
}

.policy-content a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ══════════════════
   FAQ ITEMS
══════════════════ */
.faq-item {
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 6px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.faq-item:hover { border-color: var(--border-mid); }
.faq-item.open {
  border-color: rgba(0,212,232,0.22);
  box-shadow: 0 0 0 1px rgba(0,212,232,0.06);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--space-xl);
  background: var(--depth-3);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-100);
  transition: background var(--t-fast);
  user-select: none;
  gap: var(--space-lg);
  line-height: 1.4;
}

.faq-question:hover { background: var(--depth-4); }

.faq-icon {
  color: var(--teal);
  font-size: 1.4rem;
  transition: transform var(--t-mid) var(--ease);
  flex-shrink: 0;
  line-height: 1;
  font-weight: 300;
  width: 22px;
  text-align: center;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-300);
  line-height: 1.9;
  background: var(--depth-2);
  border-top: 1px solid var(--border-dim);
}

.faq-item.open .faq-answer { display: block; }

/* ══════════════════════════════════════════════════════
   PRODUCT CARD — IMAGE SYSTEM IMPROVEMENTS
══════════════════════════════════════════════════════ */

/* Per-category color tints on card image — applied via data-cat attr */
.product-card[data-cat="metabolic-research"]      .product-card-img::before {
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(0,212,232,0.11) 0%, transparent 58%),
    radial-gradient(ellipse 55% 50% at 15% 78%, rgba(0,212,232,0.04) 0%, transparent 50%),
    linear-gradient(155deg, var(--depth-3) 0%, var(--depth-1) 100%);
}
.product-card[data-cat="recovery-research"]       .product-card-img::before {
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(0,230,118,0.09) 0%, transparent 58%),
    radial-gradient(ellipse 55% 50% at 15% 78%, rgba(0,212,232,0.03) 0%, transparent 50%),
    linear-gradient(155deg, var(--depth-3) 0%, var(--depth-1) 100%);
}
.product-card[data-cat="cognitive-research"]      .product-card-img::before {
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(255,171,0,0.07) 0%, transparent 58%),
    radial-gradient(ellipse 55% 50% at 15% 78%, rgba(0,212,232,0.03) 0%, transparent 50%),
    linear-gradient(155deg, var(--depth-3) 0%, var(--depth-1) 100%);
}
.product-card[data-cat="gh-performance-research"] .product-card-img::before {
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(0,212,232,0.08) 0%, transparent 58%),
    radial-gradient(ellipse 55% 50% at 15% 78%, rgba(0,230,118,0.04) 0%, transparent 50%),
    linear-gradient(155deg, var(--depth-3) 0%, var(--depth-1) 100%);
}
.product-card[data-cat="research-kits"]           .product-card-img::before {
  background:
    radial-gradient(ellipse 80% 60% at 75% 25%, rgba(255,107,107,0.07) 0%, transparent 58%),
    radial-gradient(ellipse 55% 50% at 15% 78%, rgba(255,171,0,0.04) 0%, transparent 50%),
    linear-gradient(155deg, var(--depth-3) 0%, var(--depth-1) 100%);
}

/* Image area vial render region */
.product-card-vial {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* SVG vial placeholder — rendered inline via JS */
.vial-svg {
  width: 44px;
  filter: drop-shadow(0 4px 16px rgba(0,212,232,0.22));
  opacity: 0.82;
}

.vial-label-text {
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-400);
  text-align: center;
  max-width: 72px;
  line-height: 1.35;
}

/* ══════════════════════════════════════════════════════
   PRODUCT CARD — QUICK-VIEW OVERLAY
══════════════════════════════════════════════════════ */
.product-card-quickview {
  position: absolute;
  inset: 0;
  background: rgba(2,6,9,0.82);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease);
  z-index: 4;
}

.product-card:hover .product-card-quickview { opacity: 1; }

.quickview-btn {
  background: var(--depth-3);
  border: 1px solid rgba(0,212,232,0.35);
  border-radius: var(--r-md);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
  transform: translateY(4px);
  transition: transform var(--t-mid) var(--ease), opacity var(--t-mid), background var(--t-fast);
}

.product-card:hover .quickview-btn {
  transform: translateY(0);
}

.quickview-btn:hover {
  background: rgba(0,212,232,0.1);
  border-color: var(--teal);
}

/* ══════════════════════════════════════════════════════
   SEARCH OVERLAY — CATEGORY FILTER CHIPS
══════════════════════════════════════════════════════ */
.search-filter-chips {
  width: 92%;
  max-width: 660px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.search-chip {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-400);
  padding: 4px 12px;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}

.search-chip:hover, .search-chip.active {
  border-color: rgba(0,212,232,0.4);
  color: var(--teal);
  background: rgba(0,212,232,0.06);
}

/* ══════════════════════════════════════════════════════
   CART SLIDE PANEL — ITEM IMPROVEMENTS
══════════════════════════════════════════════════════ */
.cart-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-dim);
  align-items: flex-start;
}

.cart-item:last-child { border-bottom: none; }

.cart-item-img {
  width: 52px; height: 52px;
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
  font-size: 1.1rem;
  opacity: 0.5;
  position: relative;
  overflow: hidden;
}

.cart-item-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 30%, rgba(0,212,232,0.08) 0%, transparent 65%);
}

.cart-item-body { flex: 1; min-width: 0; }

.cart-item-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-100);
  line-height: 1.3;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-500);
  margin-bottom: 8px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cart-qty-btn {
  width: 22px; height: 22px;
  border: 1px solid var(--border-dim);
  background: var(--depth-4);
  border-radius: var(--r-sm);
  color: var(--text-300);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}
.cart-qty-btn:hover { border-color: var(--border-lit); color: var(--text-100); }

.cart-qty-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-200);
  min-width: 18px;
  text-align: center;
}

.cart-item-price {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-100);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════
   CHECKOUT — STEP INDICATORS
══════════════════════════════════════════════════════ */
.checkout-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-3xl);
}

.checkout-progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  position: relative;
}

.checkout-progress-step::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-dim);
  margin: 0 var(--space-sm);
}

.checkout-progress-step:last-child::after { display: none; }

.cps-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.cps-num.done {
  background: rgba(0,230,118,0.12);
  border: 1px solid rgba(0,230,118,0.3);
  color: var(--green);
}

.cps-num.current {
  background: rgba(0,212,232,0.1);
  border: 1px solid rgba(0,212,232,0.3);
  color: var(--teal);
}

.cps-num.upcoming {
  background: var(--depth-4);
  border: 1px solid var(--border-dim);
  color: var(--text-500);
}

.cps-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  white-space: nowrap;
  color: var(--text-400);
  letter-spacing: 0.06em;
}

.checkout-progress-step.current .cps-label { color: var(--text-200); }

/* ══════════════════════════════════════════════════════
   ACCOUNT DASHBOARD — STAT CARDS
══════════════════════════════════════════════════════ */
.acct-stat-card {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--t-fast);
}
.acct-stat-card:hover { border-color: var(--border-mid); }

.acct-stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-100);
}
.acct-stat-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-500);
}

/* ══════════════════════════════════════════════════════
   COA / BATCH VERIFICATION PAGE
══════════════════════════════════════════════════════ */
.coa-lookup-card {
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-xl);
  overflow: hidden;
  max-width: 680px;
  box-shadow: var(--shadow-md);
}

.coa-lookup-head {
  padding: var(--space-xl);
  background: var(--depth-4);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.coa-lookup-icon {
  width: 40px; height: 40px;
  background: rgba(0,212,232,0.07);
  border: 1px solid rgba(0,212,232,0.2);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.coa-lookup-body { padding: var(--space-xl); }

.coa-search-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin-bottom: var(--space-xl);
}

.coa-search-row .form-input {
  flex: 1;
  font-size: 0.9rem;
  padding: 12px 16px;
  letter-spacing: 0.06em;
}

.coa-result-panel {
  background: var(--depth-4);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: none;
}

.coa-result-panel.visible { display: block; }

.coa-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: rgba(0,230,118,0.04);
  border-bottom: 1px solid var(--border-dim);
  gap: var(--space-md);
}

.coa-verified-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
}

.coa-verified-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.coa-result-fields {
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.coa-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: var(--space-md);
  background: var(--depth-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-md);
}

.coa-field-label {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-500);
}

.coa-field-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-200);
  font-weight: 500;
}

.coa-field-value.highlight { color: var(--teal); }
.coa-field-value.ok { color: var(--green); }

.coa-not-found {
  padding: var(--space-xl);
  text-align: center;
  display: none;
}
.coa-not-found.visible { display: block; }

/* ══════════════════════════════════════════════════════
   MOBILE — TOUCH-FRIENDLY IMPROVEMENTS
══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Larger tap targets for buttons */
  .btn-sm { min-height: 36px; }
  .btn    { min-height: 42px; }
  .btn-lg { min-height: 48px; }

  /* Qty controls */
  .cart-qty-btn { width: 30px; height: 30px; }

  /* Product card full-width on very small screens */
  .product-card-name { font-size: 0.88rem; }

  /* Cart panel full width on mobile */
  .slide-panel {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border-mid);
    top: auto;
    bottom: 0;
    height: 90vh;
    transform: translateY(100%);
    border-radius: var(--r-xl) var(--r-xl) 0 0;
  }

  .slide-panel.open { transform: translateY(0); }

  /* Modal full width */
  .modal {
    width: 100%;
    max-width: 100%;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 85vh;
  }

  /* Checkout panel stacks */
  .checkout-progress .cps-label { display: none; }
}

/* ══════════════════════════════════════════════════════
   ANIMATION IMPROVEMENTS
══════════════════════════════════════════════════════ */

/* Stagger for grid items — JS-applied index */
.stagger-1  { animation-delay: 0.05s; }
.stagger-2  { animation-delay: 0.10s; }
.stagger-3  { animation-delay: 0.15s; }
.stagger-4  { animation-delay: 0.20s; }
.stagger-5  { animation-delay: 0.25s; }
.stagger-6  { animation-delay: 0.30s; }

/* Scale-in for modals, panels */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96) translateY(6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Smooth tab panel transition */
.tab-panel.active {
  animation: fadeInTab 0.18s var(--ease-out) both;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Border glow pulse for verification / active states */
@keyframes borderGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,212,232,0); }
  50%       { box-shadow: 0 0 0 3px rgba(0,212,232,0.12); }
}

.border-glow-pulse { animation: borderGlow 2.2s ease-in-out infinite; }

/* Page transition — applied to #main-content */
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-transition {
  animation: pageIn 0.28s var(--ease-out) both;
}

/* Form input focus ring animation */
.form-input:focus, .form-select:focus, .form-textarea:focus {
  box-shadow: 0 0 0 3px rgba(0,212,232,0.08);
}