/* ── Estilo moderno compartido ──────────────────────────────────────────
   Se aplica sobre las variables --bg, --bg2, --border, --text, --text2,
   --blue, --green, --red, --amber ya definidas en cada página. */

* { -webkit-tap-highlight-color: transparent; }

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Topbar con leve transparencia y blur */
.topbar {
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg2) 88%, transparent);
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
}

/* Tarjetas, paneles y modales: bordes más redondeados y sombra suave */
.card, .panel, .modal, .stat, .form-card, .res-item, .venta, .item,
.cart, .cart-item, .op-row, .user-row {
  border-radius: 14px !important;
}

.card, .panel, .modal, .stat, .form-card {
  box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
}

.modal {
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
  animation: modal-in .18s ease-out;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.overlay.open {
  animation: overlay-in .15s ease-out;
}
@keyframes overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Botones: transición suave y leve elevación al presionar */
button, .btn, .menu-btn, .res-item, .venta, .item, .tab,
.qty button, a.btn-inicio {
  transition: background-color .15s ease, border-color .15s ease,
              transform .08s ease, box-shadow .15s ease, opacity .15s ease;
}
button:active, .btn:active, .menu-btn:active {
  transform: scale(.98);
}

/* Botón primario con gradiente sutil */
button.primary, .btn, .btn-cobrar {
  background: linear-gradient(135deg, var(--text), color-mix(in srgb, var(--text) 85%, var(--blue) 15%)) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
button.primary:hover, .btn:hover, .btn-cobrar:hover:not(:disabled) {
  box-shadow: 0 4px 14px rgba(0,0,0,.16);
}
.btn-cobrar {
  background: linear-gradient(135deg, var(--green), color-mix(in srgb, var(--green) 80%, #2ecc71 20%)) !important;
  border: none !important;
}

/* Menú principal: tarjetas con hover elevado */
.menu-btn {
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.menu-btn:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--border) 50%, var(--blue) 50%);
}
.menu-btn .icon {
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.03);
}
.icon-precios { background: linear-gradient(135deg, var(--blue-bg), color-mix(in srgb, var(--blue-bg) 60%, var(--blue) 40%)) !important; }
.icon-inv     { background: linear-gradient(135deg, var(--green-bg), color-mix(in srgb, var(--green-bg) 60%, var(--green) 40%)) !important; }
.icon-pagos   { background: linear-gradient(135deg, var(--amber-bg), color-mix(in srgb, var(--amber-bg) 60%, var(--amber) 40%)) !important; }

/* Inputs: focus más vivo */
input, select, textarea {
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--blue) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent);
}

/* Badges con leve sombra para destacar */
.badge, .rol-badge, .discount-badge {
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

/* Tablas: hover más suave */
tbody tr { transition: background-color .1s ease; }

/* Scrollbar discreto (WebKit) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text2) 35%, transparent);
  border-radius: 8px;
}
::-webkit-scrollbar-track { background: transparent; }

/* Icono de "regresar al inicio": solo el simbolo, se invierte en modo oscuro para contraste */
.nav-icon{display:block}
@media(prefers-color-scheme:dark){
  .nav-icon{filter:invert(1)}
}

/* Logo principal: negro en modo claro, blanco en modo oscuro (auto-invertido) */
.brand-logo{display:block;margin-left:auto;margin-right:auto}
@media(prefers-color-scheme:dark){
  .brand-logo{filter:invert(1)}
}

/* Quitar las flechas de subir/bajar de los campos numericos en toda la app */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button{
  -webkit-appearance:none;
  margin:0;
}
input[type=number]{
  -moz-appearance:textfield;
}