/* ============================================================
   MUNDO MUEBLES — Global Styles
   Paleta: Negro #0a0a0a | Verde #1DB954 → #16a34a | Blanco #FFFFFF
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --negro:    #0a0a0a;
  --negro2:   #111111;
  --negro3:   #1a1a1a;
  --negro4:   #242424;
  --verde:    #22c55e;
  --verde-d:  #16a34a;
  --verde-l:  #4ade80;
  --blanco:   #ffffff;
  --gris:     #a1a1aa;
  --gris-l:   #e4e4e7;
  --borde:    rgba(255,255,255,0.08);
  --borde-v:  rgba(34,197,94,0.3);
  --sombra:   0 4px 24px rgba(0,0,0,0.4);
  --radio:    12px;
  --radio-l:  20px;
  --font-d:   'Bebas Neue', sans-serif;
  --font-b:   'DM Sans', sans-serif;
  --trans:    0.2s ease;
}

html { scroll-behavior: smooth; }
body {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--font-b);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--negro2); }
::-webkit-scrollbar-thumb { background: var(--verde-d); border-radius: 3px; }

/* ---- Tipografía ---- */
h1,h2,h3,h4 { font-family: var(--font-d); letter-spacing: 0.02em; line-height: 1.1; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 2rem); }
h4 { font-size: 1.2rem; }
p  { color: var(--gris); }

a { color: inherit; text-decoration: none; }

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 99px;
  font-family: var(--font-b); font-size: 14px; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
  cursor: pointer; border: none; transition: all var(--trans);
}
.btn-verde {
  background: var(--verde); color: var(--negro);
}
.btn-verde:hover { background: var(--verde-l); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,197,94,0.35); }

.btn-outline {
  background: transparent; color: var(--blanco);
  border: 1.5px solid var(--borde);
}
.btn-outline:hover { border-color: var(--verde); color: var(--verde); }

.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 40px; font-size: 16px; }

/* ---- Cards ---- */
.card {
  background: var(--negro3);
  border: 2px solid #D4AF37;
  border-radius: var(--radio-l);
  overflow: hidden;
  transition: all var(--trans);
  box-shadow: inset 0 2px 4px rgba(255,235,160,0.15), inset 0 -2px 4px rgba(153,101,21,0.25);
}
.card:hover { 
  border-color: #F3E5AB; 
  transform: translateY(-4px); 
  box-shadow: 0 16px 40px rgba(0,0,0,0.6), inset 0 3px 6px rgba(255,235,160,0.3), inset 0 -3px 6px rgba(153,101,21,0.4); 
}

/* ---- Badge ---- */
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 99px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.badge-nuevo    { background: rgba(34,197,94,0.15); color: var(--verde); border: 1px solid var(--verde-d); }
.badge-promocion{ background: rgba(234,179,8,0.15); color: #facc15; border: 1px solid rgba(234,179,8,0.4); }
.badge-ultimo   { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.4); }

/* ---- Tag variante ---- */
.tag-variante {
  padding: 6px 16px; border-radius: 99px; border: 1.5px solid var(--borde);
  font-size: 13px; cursor: pointer; transition: all var(--trans); background: transparent; color: var(--gris);
}
.tag-variante.active, .tag-variante:hover {
  border-color: var(--verde); color: var(--blanco); background: rgba(34,197,94,0.1);
}

/* ---- Form inputs ---- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--gris); font-weight: 500; }
.field input, .field select, .field textarea {
  background: var(--negro4); border: 1px solid var(--borde);
  color: var(--blanco); border-radius: var(--radio);
  padding: 12px 16px; font-family: var(--font-b); font-size: 15px;
  transition: border-color var(--trans); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--verde);
}
.field select option { background: var(--negro4); }
.field textarea { min-height: 100px; resize: vertical; }

/* ---- Sección ---- */
.section { padding: 80px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }

/* ---- Divider verde ---- */
.divider { width: 60px; height: 4px; background: var(--verde); border-radius: 2px; margin: 16px 0 24px; }

/* ---- Loader ---- */
.loader {
  position: fixed; inset: 0; background: var(--negro); z-index: 9999;
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 16px;
}
.loader-ring {
  width: 48px; height: 48px; border: 3px solid var(--borde);
  border-top-color: var(--verde); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9998;
  background: var(--negro3); border: 1px solid var(--borde-v);
  color: var(--blanco); padding: 14px 20px; border-radius: var(--radio);
  font-size: 14px; box-shadow: var(--sombra);
  transform: translateY(120%); transition: transform 0.3s ease;
}
.toast.show { transform: translateY(0); }
.toast.error { border-color: rgba(239,68,68,0.4); }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--negro2); border: 1px solid var(--borde);
  border-radius: var(--radio-l); width: 100%; max-width: 680px;
  max-height: 90vh; overflow-y: auto; padding: 32px;
  transform: scale(0.95); transition: transform 0.3s;
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal-close { background: none; border: none; color: var(--gris); font-size: 24px; cursor: pointer; transition: color var(--trans); }
.modal-close:hover { color: var(--blanco); }

/* ---- Nav admin ---- */
.admin-nav {
  background: var(--negro2); border-bottom: 1px solid var(--borde);
  padding: 0 24px; display: flex; align-items: center; gap: 0; height: 60px;
  position: sticky; top: 0; z-index: 100;
}
.admin-nav-logo { font-family: var(--font-d); font-size: 1.4rem; color: var(--verde); margin-right: 32px; }
.admin-nav a {
  padding: 0 16px; height: 60px; display: flex; align-items: center;
  font-size: 14px; font-weight: 500; color: var(--gris);
  border-bottom: 2px solid transparent; transition: all var(--trans);
}
.admin-nav a:hover, .admin-nav a.active { color: var(--blanco); border-bottom-color: var(--verde); }
.admin-nav .ml-auto { margin-left: auto; }

/* ---- Tabla admin ---- */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; padding: 12px 16px; font-size: 12px;
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gris); border-bottom: 1px solid var(--borde);
}
.admin-table td {
  padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--borde);
  vertical-align: middle;
}
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ---- Precio highlight ---- */
.precio-contado { color: var(--verde); font-weight: 700; font-size: 1.4rem; }
.precio-lista   { color: var(--gris); text-decoration: line-through; font-size: 0.95rem; }
.precio-cuota   { color: var(--blanco); font-size: 1.1rem; }

/* ---- Image upload preview ---- */
.foto-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.foto-thumb {
  width: 90px; height: 90px; border-radius: 8px; object-fit: cover;
  border: 1px solid var(--borde);
}
.foto-add {
  width: 90px; height: 90px; border-radius: 8px;
  border: 1.5px dashed var(--borde); display: flex; flex-direction: column;
  align-items: center; justify-content: center; cursor: pointer; gap: 4px;
  font-size: 11px; color: var(--gris); transition: border-color var(--trans);
}
.foto-add:hover { border-color: var(--verde); color: var(--verde); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .section { padding: 40px 0; }
  .btn-lg { padding: 14px 28px; font-size: 14px; }
  .btn { padding: 12px 22px; font-size: 13px; }
  .modal { padding: 20px; }
  .admin-nav a span { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  @media (max-width: 480px) { .grid-3 { grid-template-columns: 1fr; } }
  .card .prod-info { padding: 12px; }
  .card .prod-nombre { font-size: 1.1rem; }
  .card .precio-contado { font-size: 1.2rem; }

  .nav-pub { padding: 10px 14px; }
  .nav-links { flex-wrap: wrap; gap: 6px; }
  .nav-links a { padding: 6px 10px; font-size: 11px; }
  .cat-pill { padding: 7px 14px; font-size: 11px; }
  .cats-filter-wrap { margin-bottom: 20px; }
  .btn-compartir-cat { font-size: 12px; padding: 10px 18px; }
}