/* =========================================================
   TIENDA DIGITAL — hoja de estilos
   Concepto: "fichero escolar" — cada producto es una ficha
   con un sello de tipo de archivo, como un archivador de aula.
   Paleta:
     --tinta:     #1B2A4A  (azul tinta, texto y headers)
     --papel:     #FAF8F3  (papel crema, fondo)
     --yape:      #7E2DBE  (violeta Yape, acentos de pago)
     --tiza:      #E8A33D  (amarillo tiza, CTA)
     --pizarra:   #2F5233  (verde pizarra, éxito/aprobado)
     --grafito:   #6B6B6B  (gris grafito, texto secundario)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Work+Sans:wght@400;500;600;700&display=swap');

:root {
  --tinta: #1B2A4A;
  --tinta-suave: #2E4268;
  --papel: #FAF8F3;
  --papel-card: #FFFFFF;
  --yape: #7E2DBE;
  --tiza: #E8A33D;
  --pizarra: #2F5233;
  --rechazo: #A23B3B;
  --grafito: #6B6B6B;
  --linea: #E3DDD0;
  --radio: 10px;
  --sombra: 0 4px 14px rgba(27, 42, 74, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: 'Work Sans', system-ui, sans-serif;
  line-height: 1.5;
}

h1, h2, h3, .display {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

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

img { max-width: 100%; display: block; }

/* ---------- Header ---------- */
.site-header {
  background: var(--tinta);
  color: var(--papel);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
  flex-wrap: wrap;
}

.site-header .marca {
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-header .marca .sello-mini {
  width: 30px;
  height: 30px;
  border: 2px solid var(--tiza);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  transform: rotate(-8deg);
  color: var(--tiza);
  flex-shrink: 0;
}

.site-header .marca img { flex-shrink: 0; }

.header-derecha {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-header-externo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  background: #FF6F59;
  border: none;
  color: #fff;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.12s ease;
}

.btn-header-externo:hover {
  background: #e85a44;
  transform: translateY(-1px);
}

.header-pago {
  font-size: 0.85rem;
  opacity: 0.85;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .site-header { padding: 14px 18px; }
  .site-header .marca { font-size: 1.1rem; }
  .header-pago { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 32px;
  text-align: left;
}

.hero .eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yape);
  font-weight: 600;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  max-width: 18ch;
  margin-bottom: 14px;
}

.hero p {
  color: var(--grafito);
  max-width: 52ch;
  font-size: 1.05rem;
}

/* ---------- Catálogo ---------- */
.busqueda-catalogo {
  max-width: 1100px;
  margin: 28px auto 0;
  padding: 0 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.busqueda-catalogo input[type="text"] {
  flex: 1;
  min-width: 200px;
  border: 1.5px solid var(--linea);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.92rem;
  font-family: 'Work Sans', sans-serif;
  background: var(--papel-card);
}

.busqueda-catalogo input[type="text"]:focus {
  outline: 2px solid var(--yape);
  outline-offset: 1px;
}

.busqueda-catalogo select {
  border: 1.5px solid var(--linea);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: 'Work Sans', sans-serif;
  background: var(--papel-card);
  color: var(--tinta);
}

.resultados-info {
  max-width: 1100px;
  margin: 14px auto 0;
  padding: 0 24px;
  font-size: 0.85rem;
  color: var(--grafito);
}

.paginacion {
  max-width: 1100px;
  margin: 8px auto 60px;
  padding: 0 24px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.paginacion a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1.5px solid var(--linea);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--tinta);
  background: var(--papel-card);
}

.paginacion a:hover { border-color: var(--tinta); }

.paginacion a.activo {
  background: var(--tinta);
  color: var(--papel);
  border-color: var(--tinta);
}

@media (max-width: 480px) {
  .busqueda-catalogo { margin-top: 20px; }
  .busqueda-catalogo select { flex-basis: 100%; }
}

.catalogo {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px 60px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.ficha {
  background: var(--papel-card);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  position: relative;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
}

.ficha:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(27, 42, 74, 0.14);
}

/* la "perforación" superior, como ficha de archivador */
.ficha::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 46px;
  height: 8px;
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: 6px;
}

.ficha-img {
  height: 150px;
  background: linear-gradient(135deg, var(--tinta) 0%, var(--tinta-suave) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
}

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

.sello {
  position: absolute;
  top: 26px;
  right: 14px;
  border: 2px solid currentColor;
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: 'Work Sans', sans-serif;
  transform: rotate(8deg);
  background: rgba(255,255,255,0.92);
  letter-spacing: 0.03em;
}

.sello.pdf   { color: #B5402E; }
.sello.excel { color: var(--pizarra); }
.sello.word  { color: var(--tinta-suave); }
.sello.app   { color: var(--yape); }

.ficha-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }

.ficha-body h3 { font-size: 1.08rem; margin-bottom: 8px; }

.ficha-body p {
  color: var(--grafito);
  font-size: 0.9rem;
  margin: 0 0 16px;
  flex: 1;
}

.ficha-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.precio {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--tinta);
}

.precio small { font-size: 0.7rem; font-weight: 500; color: var(--grafito); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  font-family: 'Work Sans', sans-serif;
}

.btn:active { transform: scale(0.97); }

.btn-tiza { background: var(--tiza); color: var(--tinta); }
.btn-tiza:hover { opacity: 0.92; }

.btn-yape { background: var(--yape); color: #fff; }
.btn-yape:hover { opacity: 0.92; }

.btn-pizarra { background: var(--pizarra); color: #fff; }
.btn-pizarra:hover { opacity: 0.9; }

.btn-fantasma {
  background: transparent;
  border: 1.5px solid var(--linea);
  color: var(--tinta);
}

.btn-fantasma:hover { border-color: var(--tinta); }

.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---------- Página de producto / checkout ---------- */
.producto-detalle {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
}

@media (max-width: 760px) {
  .producto-detalle { grid-template-columns: 1fr; }
}

.volver {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--grafito);
  margin-bottom: 20px;
}

.producto-imagen-grande {
  position: relative;
  height: 320px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--tinta) 0%, var(--tinta-suave) 100%);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.producto-imagen-grande img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
}

.producto-imagen-grande .sin-imagen-grande {
  color: var(--papel);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  opacity: 0.7;
}

.producto-imagen-grande .boton-ampliar {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(27, 42, 74, 0.78);
  color: #fff;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.producto-imagen-grande:hover .boton-ampliar,
.producto-imagen-grande:active .boton-ampliar {
  opacity: 1;
}

@media (max-width: 760px) {
  .producto-imagen-grande .boton-ampliar { opacity: 1; }
}

.panel-producto .tipo-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--tinta);
  color: var(--papel);
  margin-bottom: 14px;
}

.panel-producto h1 { font-size: 1.8rem; margin-bottom: 12px; }
.panel-producto .descripcion-larga { color: var(--grafito); margin-bottom: 22px; }

.panel-producto .precio-grande {
  font-family: 'Fraunces', serif;
  font-size: 2.1rem;
  font-weight: 700;
}

/* ---------- Caja de pago ---------- */
.caja-pago {
  background: var(--papel-card);
  border: 1px solid var(--linea);
  border-radius: 14px;
  padding: 26px;
  box-shadow: var(--sombra);
  align-self: start;
}

.caja-pago h2 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.caja-pago .sub {
  font-size: 0.85rem;
  color: var(--grafito);
  margin-bottom: 18px;
}

.qr-yape {
  background: linear-gradient(135deg, var(--yape), #5c1f8f);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  color: #fff;
  margin-bottom: 18px;
}

.qr-yape img {
  width: 170px;
  margin: 0 auto 12px;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
}

.qr-yape .monto {
  font-family: 'Fraunces', serif;
  font-size: 1.6rem;
  font-weight: 700;
}

.qr-yape .numero { font-size: 0.85rem; opacity: 0.9; margin-top: 4px; }

.paso {
  display: flex;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--grafito);
  margin-bottom: 8px;
}

.paso .num {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--tinta);
  color: var(--papel);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

form.form-pedido { margin-top: 20px; display: flex; flex-direction: column; gap: 14px; }

.campo { display: flex; flex-direction: column; gap: 6px; }

.campo label { font-size: 0.82rem; font-weight: 600; color: var(--tinta); }

.campo input, .campo textarea {
  border: 1.5px solid var(--linea);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.92rem;
  font-family: 'Work Sans', sans-serif;
  background: var(--papel);
}

.campo input:focus, .campo textarea:focus {
  outline: 2px solid var(--yape);
  outline-offset: 1px;
}

.campo-archivo {
  border: 1.5px dashed var(--linea);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--grafito);
  cursor: pointer;
  position: relative;
}

.campo-archivo.con-imagen { border-color: var(--pizarra); color: var(--pizarra); }

.campo-archivo input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.preview-captura {
  max-height: 140px;
  margin: 10px auto 0;
  border-radius: 8px;
}

.aviso {
  font-size: 0.82rem;
  padding: 12px 14px;
  border-radius: 8px;
  margin-top: 6px;
}

.aviso.ok { background: #EAF3EA; color: var(--pizarra); }
.aviso.error { background: #FBEAEA; color: var(--rechazo); }

/* ---------- Confirmación ---------- */
.confirmacion {
  max-width: 560px;
  margin: 80px auto;
  text-align: center;
  padding: 0 24px;
}

.confirmacion .icono-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--pizarra);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.confirmacion h1 { margin-bottom: 12px; }
.confirmacion p { color: var(--grafito); }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 28px;
  color: var(--grafito);
  font-size: 0.82rem;
  border-top: 1px solid var(--linea);
}

/* ---------- Admin ---------- */
/* ---------- Layout del panel admin (sidebar) ---------- */

.admin-body { background: var(--papel); }

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--tinta);
  color: var(--papel);
  display: flex;
  flex-direction: column;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin-sidebar-marca {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 0 6px;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(250, 248, 243, 0.78);
  position: relative;
}

.admin-nav a:hover { background: rgba(255,255,255,0.06); color: var(--papel); }

.admin-nav a.activo {
  background: rgba(255,255,255,0.12);
  color: var(--papel);
}

.admin-nav-icono { font-size: 1.05rem; }

.admin-badge {
  margin-left: auto;
  background: var(--tiza);
  color: var(--tinta);
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 8px;
  min-width: 20px;
  text-align: center;
}

.admin-sidebar-footer {
  font-size: 0.8rem;
  color: rgba(250, 248, 243, 0.7);
  padding: 12px 6px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.admin-sidebar-footer a { color: var(--papel); text-decoration: underline; }

.admin-contenido {
  flex: 1;
  padding: 32px 36px 80px;
  min-width: 0;
}

.admin-menu-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 60;
  background: var(--tinta);
  color: var(--papel);
  border: none;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(27,42,74,0.55);
  z-index: 55;
}

.admin-overlay.activo { display: block; }

@media (max-width: 880px) {
  .admin-menu-toggle { display: block; }

  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 56;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 4px 0 18px rgba(0,0,0,0.25);
  }

  .admin-sidebar.abierto { transform: translateX(0); }

  .admin-contenido { padding: 70px 18px 60px; }
}

.login-box {
  max-width: 380px;
  margin: 100px auto;
  background: var(--papel-card);
  padding: 32px;
  border-radius: 14px;
  box-shadow: var(--sombra);
  border: 1px solid var(--linea);
}

.login-box h1 { font-size: 1.4rem; margin-bottom: 6px; }
.login-box .sub { color: var(--grafito); font-size: 0.88rem; margin-bottom: 20px; }

.tabla-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tabla-pedidos { width: 100%; border-collapse: collapse; margin-top: 20px; min-width: 640px; }

.tabla-pedidos th {
  text-align: left;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--grafito);
  padding: 10px 12px;
  border-bottom: 2px solid var(--linea);
}

.tabla-pedidos td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--linea);
  font-size: 0.9rem;
  vertical-align: middle;
}

.estado-tag {
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.estado-tag.pendiente { background: #FCF1DD; color: var(--tiza); }
.estado-tag.aprobado { background: #EAF3EA; color: var(--pizarra); }
.estado-tag.rechazado { background: #FBEAEA; color: var(--rechazo); }

.miniatura-pago {
  width: 46px;
  height: 46px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--linea);
}

.acciones-pedido { display: flex; gap: 8px; }

.acciones-pedido .btn { padding: 7px 14px; font-size: 0.78rem; }

.tabs-admin { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }

.tabs-admin button {
  background: transparent;
  border: 1.5px solid var(--linea);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--grafito);
}

.tabs-admin button.activo {
  background: var(--tinta);
  color: var(--papel);
  border-color: var(--tinta);
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,42,74,0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.lightbox-overlay.activo { display: flex; }

.lightbox-overlay img { max-height: 85vh; border-radius: 10px; }

.swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--linea);
  cursor: pointer;
  padding: 0;
  transition: transform 0.12s ease;
}

.swatch:hover { transform: scale(1.08); }

.vacio {
  text-align: center;
  color: var(--grafito);
  padding: 60px 20px;
  font-size: 0.95rem;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media (max-width: 480px) {
  .hero { padding: 40px 18px 24px; }
  .catalogo { padding: 12px 18px 60px; gap: 20px; }
  .admin-contenido { padding: 70px 16px 60px; }
  .login-box { margin: 60px auto; padding: 24px; max-width: 90%; }
  .qr-yape img { width: 140px; }
  .producto-detalle { padding: 28px 18px 60px; gap: 32px; }
}

:focus-visible { outline: 2px solid var(--yape); outline-offset: 2px; }