/* ==========================================================================
   WARP MARKET — STAR TREK (LCARS / STARFLEET INTERFACE EDITION)
   ========================================================================== */

:root {
  /* Paleta Oficial LCARS / Starfleet UI */
  --lcars-black: #05070a;
  --lcars-bg: #0b0d14;
  --lcars-panel: #111622;
  --lcars-panel-alt: #171d2c;
  --lcars-panel-hover: #1e2638;
  --lcars-border: #232d42;

  /* Acentos de Color LCARS */
  --lcars-orange: #ff9900;
  --lcars-amber: #ffaa00;
  --lcars-yellow: #ffcc00;
  --lcars-blue: #3399cc;
  --lcars-ice: #7dd8e8;
  --lcars-purple: #cc6699;
  --lcars-red: #cc3333;
  --lcars-green: #33cc99;

  /* Asignación de Roles Visuales */
  --bg-void: var(--lcars-black);
  --bg-panel: var(--lcars-panel);
  --bg-panel-alt: var(--lcars-panel-alt);
  --bg-panel-hover: var(--lcars-panel-hover);
  --divider: var(--lcars-border);

  --frost: var(--lcars-ice);
  --frost-dim: var(--lcars-blue);
  --warp: var(--lcars-orange);
  --alert: var(--lcars-yellow);
  --danger: var(--lcars-red);
  --success: var(--lcars-green);

  --text-primary: #f0f4f8;
  --text-muted: #8fa0b5;
  --text-faint: #52637a;

  /* Tipografías Sci-Fi */
  --font-display: "Space Grotesk", "Orbitron", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius-panel: 0px 24px 24px 0px;
  --radius-sm: 4px;
  --shadow-panel: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(51, 153, 204, 0.1);

  --header-h: 128px;
  --max-width: 1280px;
}

/* ---------- Reset & Base ---------- */
* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg-void);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(51, 153, 204, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, rgba(5, 7, 10, 0.95) 0%, #080a10 100%);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; }
input { font: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--lcars-orange);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.is-hidden { display: none !important; }

/* ---------- Sensor Bar (Banda LCARS activa) ---------- */
.sensor-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(
    90deg, 
    var(--lcars-orange) 0%, 
    var(--lcars-purple) 25%, 
    var(--lcars-blue) 50%, 
    var(--lcars-yellow) 75%, 
    var(--lcars-orange) 100%
  );
  background-size: 200% 100%;
  animation: lcars-sweep 6s linear infinite;
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.5);
}
@keyframes lcars-sweep {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* ---------- Site Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 7, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--lcars-blue);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}
.site-header__inner::before {
  content: "SUBSPACE REPLICA LINK // FREQ 47.2 GHZ";
  position: absolute;
  top: 8px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--lcars-orange);
  letter-spacing: 0.15em;
  opacity: 0.8;
}

.brand {
  background: none;
  padding: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  color: var(--lcars-yellow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
  text-shadow: 0 0 12px rgba(255, 204, 0, 0.3);
}
.brand::before {
  content: "NCC-1701";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--lcars-orange);
  color: var(--lcars-black);
  padding: 2px 8px;
  border-radius: 12px 0 0 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.brand::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  margin-top: 4px;
  background: var(--lcars-blue);
  border-radius: 0 4px 4px 0;
}
.tagline {
  margin: 4px 0 0;
  color: var(--lcars-purple);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- Floating Action Buttons ---------- */
.fab-stack {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 25;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}
.fab {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 16px 0 16px 0;
  display: grid;
  place-items: center;
  border: 2px solid var(--lcars-blue);
  box-shadow: 0 0 15px rgba(51, 153, 204, 0.3);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}
.fab:hover {
  transform: scale(1.08);
  border-color: var(--lcars-yellow);
  box-shadow: 0 0 20px rgba(255, 204, 0, 0.5);
}
.fab:active { transform: scale(0.94); }
.fab--cart {
  background: var(--lcars-panel);
  color: var(--lcars-yellow);
}
.fab--cart:hover { background: var(--bg-panel-hover); }
.fab--cart.pulse {
  animation: lcars-pulse 0.4s ease;
}
@keyframes lcars-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); border-color: var(--lcars-orange); }
  100% { transform: scale(1); }
}
.fab--whatsapp {
  background: var(--lcars-panel);
  color: var(--lcars-green);
  border-color: var(--lcars-green);
}
.fab--whatsapp:hover { background: #16382c; }
.cart-toggle__count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--lcars-orange);
  color: var(--lcars-black);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  padding: 0 4px;
  border: 2px solid var(--lcars-black);
  pointer-events: none; /* nunca debe interceptar clics ni "pertenecer" a otro botón */
}
/* Blindaje explícito: el badge de cantidad SOLO puede vivir en el botón del carrito. */
.fab--whatsapp .cart-toggle__count { display: none !important; }

/* ---------- Toolbar / Search & LCARS Rail ---------- */
.toolbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
}
.toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.search-field {
  flex: 1 1 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--lcars-panel);
  border: 1px solid var(--lcars-blue);
  border-radius: 20px 0 0 20px;
  padding: 10px 18px;
  color: var(--lcars-ice);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-field:focus-within {
  border-color: var(--lcars-yellow);
  box-shadow: 0 0 12px rgba(255, 204, 0, 0.2);
}
.search-field input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.search-field input:focus { outline: none; }
.results-count {
  margin: 0;
  color: var(--lcars-orange);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* LCARS Category Rail */
.category-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--lcars-blue) var(--lcars-panel);
}
.category-rail::-webkit-scrollbar { height: 5px; }
.category-rail::-webkit-scrollbar-thumb { background: var(--lcars-blue); border-radius: 4px; }

.rail-segment {
  flex: none;
  background: var(--lcars-panel);
  border: 1px solid var(--lcars-border);
  color: var(--lcars-ice);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 18px 0 0 18px;
  position: relative;
  transition: all 0.2s ease;
}
.rail-segment::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--lcars-purple);
  transition: background 0.2s ease;
}
.rail-segment:hover {
  background: var(--lcars-panel-hover);
  color: var(--lcars-yellow);
  border-color: var(--lcars-blue);
}
.rail-segment.is-active {
  background: var(--lcars-orange);
  border-color: var(--lcars-orange);
  color: var(--lcars-black);
  font-weight: 700;
}
.rail-segment.is-active::before {
  background: var(--lcars-yellow);
}

/* ---------- Catalog Grid & LCARS Cards ---------- */
.catalog {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px 40px;
  min-height: 45vh;
}
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}

/* Tarjeta LCARS con curva única superior izquierda y barra lateral táctica */
.card {
  background: var(--lcars-panel);
  border: 1px solid var(--lcars-border);
  border-radius: 24px 0px 16px 0px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--lcars-blue);
  transition: background 0.2s ease;
  z-index: 2;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--lcars-blue);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.7), 0 0 15px rgba(51, 153, 204, 0.25);
}
.card:hover::before {
  background: var(--lcars-yellow);
}
.card.is-out {
  opacity: 0.55;
  filter: grayscale(0.5);
}
.card.is-out::before {
  background: var(--lcars-red);
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--lcars-panel-alt);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--lcars-border);
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__media.img-fallback::before {
  content: "🖖 SENSOR NO-DATA";
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--lcars-blue);
  letter-spacing: 0.1em;
}

/* Badges Sci-Fi */
.badge {
  position: absolute;
  top: 10px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 12px 0 12px 0;
  z-index: 3;
}
.badge--warp {
  background: var(--lcars-orange);
  color: var(--lcars-black);
  box-shadow: 0 0 8px rgba(255, 153, 0, 0.6);
}
.badge--out {
  background: var(--lcars-red);
  color: #ffffff;
  left: auto;
  right: 10px;
}

.card__body {
  padding: 16px 18px 8px;
  flex: 1;
}
.card__category {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--lcars-purple);
}
.card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}
.card__desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Card Footer & Controls Fix ---------- */
.card__footer {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 12px 14px 14px;
  background: rgba(5, 7, 10, 0.4);
  border-top: 1px solid rgba(35, 45, 66, 0.5);
  flex-wrap: wrap;
}

@media (min-width: 640px) {
  .card__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.card__price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--lcars-yellow);
  letter-spacing: 0.02em;
  flex: 1 1 auto;
  min-width: 0;
}
.card__control { flex: none; }
.card__control .btn--add { white-space: nowrap; }

/* Controls & Buttons LCARS */
.btn {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 10px 18px;
  border-radius: 14px 0 14px 0;
  transition: all 0.15s ease;
}
.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn--add {
  width: 100%;
  padding: 8px 10px;
  text-align: center;
  white-space: nowrap;
  font-size: 0.78rem;
  background: var(--lcars-panel-alt);
  color: var(--lcars-ice);
  border: 1px solid var(--lcars-blue);
}
.btn--add:hover:not(:disabled) {
  background: var(--lcars-blue);
  color: var(--lcars-black);
  box-shadow: 0 0 12px rgba(51, 153, 204, 0.4);
}

.btn--primary {
  background: var(--lcars-orange);
  color: var(--lcars-black);
  border: none;
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.3);
}
.btn--primary:hover:not(:disabled) {
  background: var(--lcars-yellow);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.5);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--lcars-border);
  color: var(--lcars-ice);
}
.btn--ghost:hover {
  border-color: var(--lcars-blue);
  color: var(--lcars-yellow);
}

.btn--block { width: 100%; }
.btn--danger { background: transparent; border: 1px solid var(--lcars-red); color: var(--lcars-red); }
.btn--danger:hover:not(:disabled) { background: rgba(204, 51, 51, 0.12); }

/* Card Stepper LCARS */
.card__qty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--lcars-panel-alt);
  border: 1px solid var(--lcars-blue);
  border-radius: 12px 0 12px 0;
  padding: 4px 8px;
  box-sizing: border-box;
}

.card__qty-value {
  min-width: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--lcars-yellow);
  font-size: 0.9rem;
}

.card__qty .qty-btn {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--lcars-panel);
  border: 1px solid var(--lcars-blue);
  color: var(--lcars-ice);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0;
  line-height: 1;
}

.card__qty .qty-btn:hover:not(:disabled) {
  background: var(--lcars-blue);
  color: var(--lcars-black);
}
.card__qty .qty-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Skeleton / Empty States ---------- */
.card--skeleton {
  height: 320px;
  background: linear-gradient(110deg, var(--lcars-panel) 30%, var(--lcars-panel-alt) 50%, var(--lcars-panel) 70%);
  background-size: 200% 100%;
  animation: lcars-shimmer 1.5s infinite;
}
@keyframes lcars-shimmer {
  0% { background-position: 180% 0; }
  100% { background-position: -180% 0; }
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 70px 20px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.empty-state--error { color: var(--lcars-red); }
.empty-state .btn { margin-top: 14px; }

/* ---------- Footer & Notes ---------- */
.shipping-note {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 30px;
  color: var(--lcars-purple);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  letter-spacing: 0.05em;
}
.site-footer {
  border-top: 2px solid var(--lcars-blue);
  padding: 24px;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--lcars-black);
}

/* ---------- Cart Drawer (Transporter Pad Interface) ---------- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 30;
}
.cart-overlay.is-open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(440px, 100%);
  background: var(--lcars-panel);
  border-left: 3px solid var(--lcars-orange);
  z-index: 31;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
}
.cart-drawer.is-open { transform: translateX(0); }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: var(--lcars-panel-alt);
  border-bottom: 2px solid var(--lcars-blue);
}
.cart-drawer__header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--lcars-yellow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cart-close {
  background: none;
  color: var(--lcars-orange);
  font-size: 1.4rem;
  padding: 4px 8px;
}
.cart-close:hover { color: var(--lcars-yellow); }

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 12px 24px;
}
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--lcars-border);
}
.cart-item__name {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.cart-item__price {
  margin: 2px 0 0;
  color: var(--lcars-blue);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
}
.qty-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--lcars-border);
  background: var(--lcars-panel-alt);
  color: var(--lcars-ice);
  display: grid;
  place-items: center;
}
.qty-btn:hover {
  border-color: var(--lcars-blue);
  color: var(--lcars-yellow);
}
.cart-item__remove {
  background: none;
  color: var(--lcars-red);
  font-size: 1.1rem;
}
.cart-item__remove:hover { color: #ff6b6b; }

.cart-empty {
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding: 60px 20px;
}

.cart-drawer__footer {
  border-top: 2px solid var(--lcars-blue);
  padding: 20px 24px 28px;
  background: var(--lcars-panel-alt);
}
.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cart-total {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lcars-yellow);
  font-family: var(--font-mono);
}

/* ---------- Toast Notifications LCARS ---------- */
.toast-host {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  width: min(380px, 92vw);
}
.toast {
  background: var(--lcars-panel);
  border: 1px solid var(--lcars-blue);
  border-left: 6px solid var(--lcars-blue);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 14px 18px;
  border-radius: 12px 0 12px 0;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.25s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8);
  width: 100%;
  text-align: center;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast--success { border-left-color: var(--lcars-green); }
.toast--error { border-left-color: var(--lcars-red); }

/* ---------- Responsive Optimization ---------- */
@media (max-width: 600px) {
  .site-header__inner { padding: 16px; }
  .toolbar, .catalog, .shipping-note { padding-left: 16px; padding-right: 16px; }
  .catalog__grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .card__title { font-size: 0.95rem; }
  .card__body { padding: 12px 12px 6px; }
  .cart-drawer { width: 100%; }
  .fab-stack {
    right: 12px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    gap: 10px;
  }
  .fab { width: 46px; height: 46px; }
}