/* ==========================================================================
   STAMPINLEX · Sistema de diseño
   Tema claro y oscuro mediante [data-tema] en <html>.
   ========================================================================== */

:root {
  /* Imprescindible: sin esto el navegador aplica su propio "oscurecido
     automático" cuando el sistema está en modo oscuro y rompe el tema claro,
     además de dejar inputs y barras de desplazamiento descoordinados. */
  color-scheme: light;

  --marca:        #4F46E5;
  --marca-suave:  #EEF2FF;
  --marca-texto:  #ffffff;
  --acento:       #22C55E;

  --fondo:        #F5F6FA;
  --superficie:   #FFFFFF;
  --superficie-2: #FAFBFC;
  --borde:        #E4E7EC;
  --borde-fuerte: #CDD3DD;
  --texto:        #101828;
  --texto-2:      #667085;
  --texto-3:      #98A2B3;

  --exito:   #16A34A;  --exito-bg:   #ECFDF3;
  --alerta:  #D97706;  --alerta-bg:  #FFFAEB;
  --error:   #DC2626;  --error-bg:   #FEF3F2;
  --info:    #2563EB;  --info-bg:    #EFF6FF;

  --r-sm: 8px; --r: 12px; --r-lg: 16px; --r-xl: 24px;
  --sombra:    0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  --sombra-md: 0 4px 8px -2px rgba(16,24,40,.08), 0 2px 4px -2px rgba(16,24,40,.04);
  --sombra-lg: 0 12px 24px -6px rgba(16,24,40,.12), 0 4px 8px -4px rgba(16,24,40,.06);

  --lateral: 248px;
  --fuente: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

[data-tema="oscuro"] {
  color-scheme: dark;

  --marca-suave:  #1E1B4B;
  --fondo:        #0B0D12;
  --superficie:   #14171F;
  --superficie-2: #1A1E28;
  --borde:        #262B36;
  --borde-fuerte: #363C4A;
  --texto:        #ECEFF4;
  --texto-2:      #98A2B3;
  --texto-3:      #6B7280;

  --exito-bg:  #0C2818;  --alerta-bg: #2A1D06;
  --error-bg:  #2A1113;  --info-bg:   #0E1D33;
  --sombra:    0 1px 2px rgba(0,0,0,.4);
  --sombra-md: 0 4px 10px rgba(0,0,0,.45);
  --sombra-lg: 0 16px 32px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }

/* Durante el cambio de tema se apagan TODAS las transiciones.
   Motivo: si una propiedad con transition toma su valor de una variable CSS
   y esa variable cambia, el navegador congela el valor anterior y el cambio
   de tema no se aplica. Apagarlas un instante lo resuelve de raíz. */
html.cambiando-tema, html.cambiando-tema *,
html.cambiando-tema *::before, html.cambiando-tema *::after {
  transition: none !important;
}

html, body {
  margin: 0; padding: 0;
  font-family: var(--fuente);
  background-color: var(--fondo);
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
  /* Solo background-COLOR: transicionar el atajo `background` congela el valor
     cuando proviene de una variable CSS que cambia (rompe el cambio de tema). */
  transition: background-color .2s ease, color .2s ease;
}

a { color: var(--marca); text-decoration: none; }
a:hover { text-decoration: underline; }

h1,h2,h3,h4 { margin: 0 0 .4em; line-height: 1.25; letter-spacing: -.02em; }
h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.2rem; font-weight: 650; }
h3 { font-size: 1rem;   font-weight: 650; }
p  { margin: 0 0 1em; line-height: 1.6; color: var(--texto-2); }

/* --- Utilidades ---------------------------------------------------------- */
.oculto { display: none !important; }
.fila   { display: flex; align-items: center; gap: 12px; }
.fila-sep { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.col    { display: flex; flex-direction: column; gap: 12px; }
.crecer { flex: 1; }
.centrado { text-align: center; }
.tenue  { color: var(--texto-2); font-size: .875rem; }
.mini   { color: var(--texto-3); font-size: .78rem; }
.mono   { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: .82rem; }
.mt { margin-top: 16px; } .mt-lg { margin-top: 28px; }
.mb { margin-bottom: 16px; }

/* --- Tarjetas / paneles -------------------------------------------------- */
.panel {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--r-lg);
  box-shadow: var(--sombra);
  padding: 20px;
}
.panel-cab { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-cab h2, .panel-cab h3 { margin: 0; }

.rejilla { display: grid; gap: 16px; }
.rejilla-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.rejilla-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.rejilla-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* --- KPI ------------------------------------------------------------------ */
.kpi {
  background: var(--superficie); border: 1px solid var(--borde);
  border-radius: var(--r); padding: 16px 18px; box-shadow: var(--sombra);
}
.kpi .et { font-size: .75rem; color: var(--texto-2); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.kpi .val { font-size: 1.9rem; font-weight: 700; line-height: 1.1; margin-top: 6px; letter-spacing: -.03em; }
.kpi .sub { font-size: .78rem; color: var(--texto-3); margin-top: 4px; }

/* --- Formularios ---------------------------------------------------------- */
label.campo { display: block; margin-bottom: 14px; }
label.campo > span { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 6px; color: var(--texto); }
label.campo > small { display: block; font-size: .75rem; color: var(--texto-3); margin-top: 5px; }

input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=date], input[type=number], input[type=search], input[type=url],
select, textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--borde-fuerte); border-radius: var(--r-sm);
  background: var(--superficie); color: var(--texto);
  font-family: inherit; font-size: .92rem;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--marca);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--marca) 18%, transparent);
}
input:disabled, select:disabled { background: var(--superficie-2); color: var(--texto-3); cursor: not-allowed; }
textarea { resize: vertical; min-height: 76px; }

input[type=color] {
  width: 46px; height: 38px; padding: 2px; cursor: pointer;
  border: 1px solid var(--borde-fuerte); border-radius: var(--r-sm); background: var(--superficie);
}
input[type=range] { width: 100%; accent-color: var(--marca); }
input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--marca); cursor: pointer; }

.check { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: .88rem; line-height: 1.45; }
.check input { margin-top: 2px; flex: none; }

/* --- Botones -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: var(--r-sm);
  border: 1px solid transparent; background: var(--marca); color: var(--marca-texto);
  font-family: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
  transition: filter .15s, transform .05s, background-color .15s;
  white-space: nowrap; text-decoration: none;
}
.btn:hover  { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.btn.sec   { background: var(--superficie); color: var(--texto); border-color: var(--borde-fuerte); }
.btn.sec:hover { background: var(--superficie-2); }
.btn.fantasma { background: transparent; color: var(--texto-2); }
.btn.fantasma:hover { background: var(--superficie-2); color: var(--texto); }
.btn.peligro { background: var(--error); }
.btn.exito   { background: var(--exito); }
.btn.sm { padding: 6px 11px; font-size: .8rem; }
.btn.lg { padding: 13px 24px; font-size: 1rem; }
.btn.bloque { width: 100%; }

/* --- Etiquetas ------------------------------------------------------------ */
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-size: .74rem; font-weight: 600;
  background: var(--superficie-2); color: var(--texto-2); border: 1px solid var(--borde);
}
.tag.exito  { background: var(--exito-bg);  color: var(--exito);  border-color: transparent; }
.tag.alerta { background: var(--alerta-bg); color: var(--alerta); border-color: transparent; }
.tag.error  { background: var(--error-bg);  color: var(--error);  border-color: transparent; }
.tag.info   { background: var(--info-bg);   color: var(--info);   border-color: transparent; }

/* --- Píldoras seleccionables (asistente) ---------------------------------- */
.pildoras { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.pildora {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 18px; border-radius: 999px;
  border: 1px solid var(--borde-fuerte); background: var(--superficie);
  color: var(--texto); font-size: .9rem; font-weight: 500; cursor: pointer;
  transition: border-color .15s, color .15s, background-color .15s;
}
.pildora:hover { border-color: var(--marca); }
.pildora[aria-pressed="true"] {
  border-color: var(--marca); color: var(--marca);
  background: color-mix(in srgb, var(--marca) 8%, transparent);
  font-weight: 600;
}

/* --- Avisos --------------------------------------------------------------- */
.aviso {
  padding: 12px 14px; border-radius: var(--r-sm); font-size: .86rem; line-height: 1.5;
  border: 1px solid transparent; margin-bottom: 14px;
}
.aviso.info   { background: var(--info-bg);   color: var(--info);   border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.aviso.exito  { background: var(--exito-bg);  color: var(--exito);  border-color: color-mix(in srgb, var(--exito) 25%, transparent); }
.aviso.alerta { background: var(--alerta-bg); color: var(--alerta); border-color: color-mix(in srgb, var(--alerta) 25%, transparent); }
.aviso.error  { background: var(--error-bg);  color: var(--error);  border-color: color-mix(in srgb, var(--error) 25%, transparent); }

/* --- Tabla ---------------------------------------------------------------- */
.tabla-env { overflow-x: auto; border: 1px solid var(--borde); border-radius: var(--r); background: var(--superficie); }
table.tabla { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.tabla th {
  text-align: left; padding: 11px 14px; font-size: .74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em; color: var(--texto-2);
  background: var(--superficie-2); border-bottom: 1px solid var(--borde); white-space: nowrap;
}
table.tabla td { padding: 11px 14px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
table.tabla tr:last-child td { border-bottom: none; }
table.tabla tbody tr:hover { background: var(--superficie-2); }

/* --- Estructura de la aplicación ------------------------------------------ */
.app { display: flex; min-height: 100vh; }

.lateral {
  width: var(--lateral); flex: none;
  background: var(--superficie); border-right: 1px solid var(--borde);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.lateral .marca { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; }
.lateral .marca .nom { font-weight: 700; font-size: 1rem; letter-spacing: -.02em; }
.lateral .grupo { padding: 10px 12px 4px; font-size: .68rem; font-weight: 700; color: var(--texto-3); text-transform: uppercase; letter-spacing: .07em; }
.lateral nav { padding: 0 10px; display: flex; flex-direction: column; gap: 2px; }
.lateral nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--r-sm);
  color: var(--texto-2); font-size: .89rem; font-weight: 500; text-decoration: none;
}
.lateral nav a:hover { background: var(--superficie-2); color: var(--texto); text-decoration: none; }
.lateral nav a.activo { background: var(--marca-suave); color: var(--marca); font-weight: 600; }
.lateral nav a svg { flex: none; }
.lateral .pie { margin-top: auto; padding: 14px; border-top: 1px solid var(--borde); }

.principal { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.cabecera {
  height: 60px; flex: none; display: flex; align-items: center; gap: 12px;
  padding: 0 24px; background: var(--superficie); border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 20;
}
.contenido { padding: 24px; max-width: 1180px; width: 100%; }

.hamburguesa { display: none; }

/* --- Menú de usuario ------------------------------------------------------ */
.menu-env { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 210px;
  background: var(--superficie); border: 1px solid var(--borde);
  border-radius: var(--r); box-shadow: var(--sombra-lg); padding: 6px; z-index: 60;
}
.menu button, .menu a {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 9px 11px; border: none; background: none; border-radius: var(--r-sm);
  color: var(--texto); font-family: inherit; font-size: .87rem; text-align: left; cursor: pointer;
  text-decoration: none;
}
.menu button:hover, .menu a:hover { background: var(--superficie-2); text-decoration: none; }
.menu hr { border: none; border-top: 1px solid var(--borde); margin: 5px 0; }

/* --- Interruptor de tema --------------------------------------------------- */
.tema-btn {
  width: 36px; height: 36px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--borde-fuerte); border-radius: var(--r-sm);
  background: var(--superficie); color: var(--texto-2); cursor: pointer;
}
.tema-btn:hover { color: var(--texto); background: var(--superficie-2); }

/* --- Avisos flotantes ------------------------------------------------------ */
#avisos { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.flotante {
  padding: 12px 16px; border-radius: var(--r); box-shadow: var(--sombra-lg);
  background: var(--superficie); border: 1px solid var(--borde);
  color: var(--texto); font-size: .88rem; max-width: 360px;
  border-left: 3px solid var(--marca); animation: entra .2s ease;
}
.flotante.exito { border-left-color: var(--exito); }
.flotante.error { border-left-color: var(--error); }
@keyframes entra { from { opacity: 0; transform: translateY(8px); } }

/* --- Modal ----------------------------------------------------------------- */
.modal-fondo {
  position: fixed; inset: 0; background: rgba(16,24,40,.5); backdrop-filter: blur(2px);
  display: grid; place-items: center; z-index: 100; padding: 20px;
}
.modal {
  background: var(--superficie); border-radius: var(--r-lg); box-shadow: var(--sombra-lg);
  width: 100%; max-width: 460px; padding: 22px; max-height: 90vh; overflow-y: auto;
  border: 1px solid var(--borde);
}

/* ==========================================================================
   TARJETA DE FIDELIZACIÓN (componente compartido)
   ========================================================================== */
.tarjeta {
  --tj-fondo:  #ffffff;
  --tj-sello:  #4F46E5;
  --tj-texto:  #101828;
  background: var(--tj-fondo); color: var(--tj-texto);
  border-radius: var(--r-lg); box-shadow: var(--sombra-md);
  overflow: hidden; width: 100%; max-width: 340px; border: 1px solid rgba(0,0,0,.06);
}
.tarjeta .tj-cab { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px 10px; }
.tarjeta .tj-nom { font-weight: 700; font-size: .98rem; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; }
.tarjeta .tj-nom img { width: 26px; height: 26px; border-radius: 6px; object-fit: cover; }
.tarjeta .tj-cont { text-align: right; line-height: 1.15; }
.tarjeta .tj-cont .et { font-size: .58rem; text-transform: uppercase; letter-spacing: .08em; opacity: .6; font-weight: 700; }
.tarjeta .tj-cont .n  { font-size: .95rem; font-weight: 700; }

.tarjeta .tj-sellos {
  display: grid; gap: 10px; padding: 14px 16px 18px;
  justify-content: center; position: relative;
}
.tarjeta .tj-sellos.con-patron::before {
  content: ''; position: absolute; inset: 0; opacity: .13; pointer-events: none;
  background-image: var(--tj-patron); background-size: 22px 22px;
}
.sello {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; position: relative;
  border: 1.5px dashed color-mix(in srgb, var(--tj-sello) 35%, transparent);
  color: color-mix(in srgb, var(--tj-sello) 30%, transparent);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), background-color .2s;
}
.sello.lleno {
  border-style: solid; border-color: var(--tj-sello);
  color: var(--tj-sello); background: color-mix(in srgb, var(--tj-sello) 12%, transparent);
}
.sello.lleno.solido { background: var(--tj-sello); color: #fff; }
.sello.premio::after {
  content: '★'; position: absolute; top: -3px; right: -3px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #F59E0B; color: #fff; font-size: 9px;
  display: grid; place-items: center; line-height: 1;
}
.sello.nuevo { animation: sella .45s cubic-bezier(.34,1.56,.64,1); }
@keyframes sella { 0% { transform: scale(0) rotate(-25deg); } 60% { transform: scale(1.18); } 100% { transform: scale(1); } }
.sello svg { width: 24px; height: 24px; }

/* El separador se deriva del color de la TARJETA, no del tema de la página:
   la tarjeta lleva la marca del negocio y no cambia con el modo oscuro. */
.tarjeta .tj-pie {
  padding: 12px 16px 16px;
  border-top: 1px solid color-mix(in srgb, var(--tj-texto) 14%, transparent);
}
.tarjeta .tj-pie .et { font-size: .58rem; text-transform: uppercase; letter-spacing: .08em; opacity: .55; font-weight: 700; }
.tarjeta .tj-pie .msg { font-size: .88rem; font-weight: 500; margin-top: 3px; }

/* --- Vista del cliente final ----------------------------------------------- */
.cliente-env {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  padding: 24px 16px 40px; gap: 18px;
}
.cliente-env .tarjeta { max-width: 380px; }
.qr-caja {
  background: #fff; padding: 14px; border-radius: var(--r); display: grid; place-items: center;
  box-shadow: var(--sombra); width: fit-content; margin: 0 auto;
}
.qr-caja canvas, .qr-caja img, .qr-caja svg { display: block; }

/* --- Escáner ---------------------------------------------------------------- */
#video-env {
  position: relative; width: 100%; max-width: 420px; margin: 0 auto;
  border-radius: var(--r-lg); overflow: hidden; background: #000; aspect-ratio: 1;
}
#video-env video { width: 100%; height: 100%; object-fit: cover; }
#video-env .mira {
  position: absolute; inset: 16%; border: 2px solid rgba(255,255,255,.85);
  border-radius: var(--r); box-shadow: 0 0 0 100vmax rgba(0,0,0,.35);
}

/* --- Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
  .lateral {
    position: fixed; left: 0; top: 0; z-index: 90;
    transform: translateX(-100%); transition: transform .22s ease; box-shadow: var(--sombra-lg);
  }
  .lateral.abierta { transform: translateX(0); }
  .hamburguesa { display: grid; }
  .contenido { padding: 16px; }
  .cabecera { padding: 0 16px; }
  .velo { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 85; }
}
