/* ==========================================================================
   UNIMASTER — single stylesheet for the public site and the admin.
   Sections: Variables, Reset, Layout, Navbar, Botones, Slider, Cards,
   Catalogo, Producto, Videos, Formularios, Alertas, Badges, Tablas, Footer,
   Sidebar admin, Dashboard, Responsive, Impresion.
   ========================================================================== */


/* ==========================================================================
   Variables
   Only five font sizes are used across the whole site.
   ========================================================================== */
:root {
    --text-s: 0.875rem;
    --text-m: 1rem;
    --text-l: 1.25rem;
    --text-xl: 1.75rem;
    --text-xxl: 2.5rem;

    --color-primary: #ca1e1e;
    --color-primary-dark: #9f1717;
    --color-dark: #151616;
    --color-navy: #192077;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-muted: #7a7a7a;
    --color-line: #dcdcdc;
    --color-bg: #ffffff;
    --color-bg-alt: #f3f3f3;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-ok: #1f7a3d;
    --color-ok-bg: #e6f4ea;
    --color-warn: #8a5a00;
    --color-warn-bg: #fff3d6;

    --font-body: Arial, "Helvetica Neue", Helvetica, sans-serif;

    --container: 1100px;
    --radius: 4px;
    --shadow: 0 4px 18px -8px rgba(0, 0, 0, 0.35);
}


/* ==========================================================================
   Reset
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--text-m);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

h1, h2, h3, h4, p, ul, ol, dl, figure { margin: 0; }
h1 { font-size: var(--text-xl); line-height: 1.25; }
h2 { font-size: var(--text-l); line-height: 1.3; }
h3 { font-size: var(--text-m); }
ul, ol { padding-left: 1.4em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; vertical-align: middle; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.icono { width: 1.5rem; height: 1.5rem; display: block; }
.icono--chico { width: 1rem; height: 1rem; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.solo-movil { display: none !important; }
.texto-centro { text-align: center; }
.texto-chico { font-size: var(--text-s); color: var(--color-muted); }
.enlace { color: var(--color-primary); text-decoration: underline; }
.lista-simple { margin: 12px 0 20px; }


/* ==========================================================================
   Layout
   ========================================================================== */
main { min-height: 60vh; }

.contenedor { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.contenedor--medio { max-width: 860px; }
.contenedor--angosto { max-width: 560px; }
.seccion { padding: 40px 0 60px; }
.dos-columnas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; align-items: start; margin-top: 30px; }
.titulo-pagina { margin-bottom: 14px; color: var(--color-dark); }
.subtitulo-pagina { margin-bottom: 30px; font-weight: 400; color: var(--color-muted); }
.migas { margin-bottom: 20px; font-size: var(--text-s); color: var(--color-muted); }
.migas a { color: var(--color-navy); }
.portada, .portada img { display: block; width: 100%; }
.texto-largo h2 { margin: 26px 0 8px; color: var(--color-primary); }
.texto-largo p + p { margin-top: 12px; }
.texto-seo h3 { margin-bottom: 8px; color: var(--color-primary); }
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; margin: 30px 0 50px; }
.rejilla--categorias { grid-template-columns: repeat(4, 1fr); }


/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar { position: sticky; top: 0; z-index: 50; background: var(--color-white); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: var(--container); margin: 0 auto; padding: 10px 20px; }
.navbar__logo img { display: block; width: 214px; }
.navbar__menu { display: flex; align-items: center; gap: 4px; }
.navbar__menu > a { padding: 6px 12px; font-size: var(--text-s); text-transform: uppercase; color: var(--color-dark); }
.navbar__menu > a:hover { color: var(--color-primary); }
.navbar__toggle { display: none; padding: 6px; border: 0; background: none; color: var(--color-dark); }
.navbar__carrito { position: relative; color: var(--color-dark); }
.navbar__redes { margin: 0 8px; }
/* Productos dropdown */
.dropdown { position: relative; }
.dropdown__boton { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 0; border-radius: var(--radius); font-size: var(--text-s); font-weight: 700; text-transform: uppercase; color: var(--color-white); background: var(--color-primary); }
.dropdown__boton:hover, .dropdown.is-open .dropdown__boton { background: var(--color-primary-dark); }
.dropdown__boton .icono { transition: transform 0.2s; }
.dropdown.is-open .dropdown__boton .icono { transform: rotate(180deg); }
.dropdown__menu { position: absolute; top: 100%; left: 0; z-index: 60; display: none; min-width: 270px; margin-top: 6px; padding: 6px 0; background: var(--color-dark); border-radius: var(--radius); box-shadow: var(--shadow); }
.dropdown.is-open .dropdown__menu { display: block; }
.navbar__menu .dropdown__menu a { display: block; padding: 9px 18px; font-size: var(--text-s); text-transform: uppercase; color: #d6d6d6; }
.navbar__menu .dropdown__menu a:hover { color: var(--color-white); background: var(--color-primary); }
.redes { display: inline-flex; align-items: center; gap: 12px; vertical-align: middle; }
.redes__enlace { display: inline-flex; color: var(--color-dark); }
.redes__enlace:hover { color: var(--color-primary); }
.footer .redes__enlace { color: var(--color-white); }
.redes--grande .redes__enlace { color: var(--color-primary); }


/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: var(--text-m);
    text-align: center;
    line-height: 1.2;
    color: var(--color-white);
    background: var(--color-primary);
    transition: background 0.2s;
}
.btn:hover { background: var(--color-primary-dark); }
.btn--primario { background: var(--color-primary); }
.btn--claro { color: var(--color-text); background: var(--color-white); border-color: var(--color-line); }
.btn--claro:hover { background: var(--color-bg-alt); }
.btn--peligro { background: var(--color-danger); }
.btn--peligro:hover { background: #8c1d17; }
.btn--bloque { display: block; width: 100%; }
.btn--chico { padding: 4px 12px; font-size: var(--text-s); }
.btn.is-disabled { opacity: 0.4; pointer-events: none; }
.enlace-icono { display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary); font-weight: 700; }


/* ==========================================================================
   Slider
   ========================================================================== */
.slider { position: relative; }
.slider__slide { display: none; }
.slider__slide.is-active { display: block; }
.slider__slide img { display: block; width: 100%; }


/* ==========================================================================
   Cards
   ========================================================================== */
.tarjeta { padding: 28px; background: var(--color-white); border-radius: var(--radius); box-shadow: var(--shadow); }
.tarjeta h1, .tarjeta h2 { margin-bottom: 14px; }
.tarjeta p + p { margin-top: 12px; }
.categoria-tarjeta { position: relative; display: block; overflow: hidden; background: var(--color-dark); }
.categoria-tarjeta img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 0.4s; }
.categoria-tarjeta:hover img { transform: scale(1.05); }
.categoria-tarjeta__nombre {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 12px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    color: var(--color-white);
    background: rgba(202, 30, 30, 0.92);
}
.servicio { display: grid; grid-template-columns: 1fr 2fr; gap: 28px; align-items: center; margin-bottom: 36px; }
.servicio h2 { margin-bottom: 8px; color: var(--color-primary); }


/* ==========================================================================
   Catalogo
   ========================================================================== */
.catalogo { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.etiqueta-roja { padding: 12px 16px; font-size: var(--text-m); text-transform: uppercase; color: var(--color-white); background: var(--color-primary); }
.lista-enlaces { margin: 0; padding: 0; list-style: none; }
.lista-enlaces a { display: block; padding: 8px 6px; border-bottom: 1px solid var(--color-line); font-size: var(--text-s); color: var(--color-navy); }
.lista-enlaces a:hover, .lista-enlaces a.is-active { color: var(--color-primary); font-weight: 700; }
.catalogo__productos { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 24px; }
.producto-tarjeta { display: flex; flex-direction: column; gap: 4px; }
.producto-tarjeta img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--color-line); }
.producto-tarjeta:hover img { border-color: var(--color-primary); }
.producto-tarjeta__nombre { font-weight: 700; font-size: var(--text-s); color: var(--color-dark); }
.producto-tarjeta__codigo { font-size: var(--text-s); color: var(--color-muted); }


/* ==========================================================================
   Producto
   ========================================================================== */
.ficha { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: start; }
.ficha__imagenes { display: grid; gap: 14px; }
.ficha__imagenes img { display: block; width: 100%; border: 1px solid var(--color-line); }
.ficha__datos > * + * { margin-top: 14px; }
.ficha__datos h1 { padding-bottom: 8px; border-bottom: 2px solid var(--color-primary); color: var(--color-dark); }
.ficha__datos h2 { color: var(--color-primary); }
.ficha__marca { font-weight: 700; color: var(--color-navy); text-transform: uppercase; }
.cotizar-caja { padding: 18px; background: var(--color-bg-alt); border-radius: var(--radius); }
.cotizar-caja > * + * { margin-top: 12px; }
.en-linea { display: flex; align-items: center; gap: 10px; }
.en-linea input[type="number"] { width: 90px; padding: 9px 10px; border: 1px solid var(--color-line); border-radius: var(--radius); }


/* ==========================================================================
   Videos
   ========================================================================== */
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }


/* ==========================================================================
   Formularios
   ========================================================================== */
.formulario .campo { margin-bottom: 16px; }
.formulario label,
.formulario .etiqueta-campo { display: block; margin-bottom: 4px; font-size: var(--text-s); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.formulario .opcion { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; font-weight: 400; text-transform: none; letter-spacing: 0; }
.formulario .campo__sub { margin-top: 10px; font-weight: 400; text-transform: none; letter-spacing: 0; }
.formulario input[type="text"],
.formulario input[type="email"],
.formulario input[type="password"],
.formulario input[type="tel"],
.formulario input[type="number"],
.formulario input[type="url"],
.formulario input[type="file"],
.formulario select,
.formulario textarea,
.busqueda input,
.busqueda select,
.galeria input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-white);
}
.formulario input:focus,
.formulario select:focus,
.formulario textarea:focus,
.busqueda input:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.formulario .ayuda { display: block; margin-top: 4px; font-size: var(--text-s); color: var(--color-muted); }
.formulario .miniatura { display: block; max-width: 160px; margin-top: 8px; }
.formulario__acciones { display: flex; gap: 12px; }
.busqueda { display: flex; flex-wrap: wrap; gap: 8px; max-width: 560px; margin-bottom: 18px; }
.busqueda input { flex: 1; min-width: 160px; }
.busqueda select { width: auto; }
.formulario.tarjeta { margin-top: 24px; }
.galeria-selector { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 8px; max-height: 280px; overflow-y: auto; padding: 8px; border: 1px solid var(--color-line); border-radius: var(--radius); }
.galeria-selector__item { position: relative; display: block; margin: 0; cursor: pointer; }
.galeria-selector__item input { position: absolute; top: 4px; left: 4px; }
.galeria-selector__item img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }


/* ==========================================================================
   Alertas
   ========================================================================== */
.alerta { margin-bottom: 18px; padding: 12px 16px; border-radius: var(--radius); font-size: var(--text-s); }
.alerta ul { margin: 0; padding-left: 1.2em; }
.alerta--error { color: var(--color-danger); background: var(--color-danger-bg); }
.alerta--ok { color: var(--color-ok); background: var(--color-ok-bg); }


/* ==========================================================================
   Badges
   ========================================================================== */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: var(--text-s); font-weight: 700; }
.badge--ok, .badge--completa { color: var(--color-ok); background: var(--color-ok-bg); }
.badge--off { color: var(--color-muted); background: var(--color-bg-alt); }
.badge--pendiente { color: var(--color-danger); background: var(--color-danger-bg); }
.badge--en_proceso { color: var(--color-warn); background: var(--color-warn-bg); }
.badge--carrito { position: absolute; top: -8px; right: -10px; padding: 0 6px; color: var(--color-white); background: var(--color-primary); }


/* ==========================================================================
   Tablas
   ========================================================================== */
.tabla-contenedor { overflow-x: auto; margin-bottom: 24px; background: var(--color-white); border-radius: var(--radius); box-shadow: var(--shadow); }
.tabla { width: 100%; border-collapse: collapse; font-size: var(--text-s); }
.tabla th,
.tabla td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-line); vertical-align: middle; }
.tabla th { text-transform: uppercase; color: var(--color-muted); background: var(--color-bg-alt); }
.tabla__acciones { display: flex; gap: 8px; justify-content: flex-end; white-space: nowrap; }
.tabla__acciones form { margin: 0; }
.tabla__producto { display: flex; align-items: center; gap: 12px; }
.tabla__producto img { object-fit: cover; border: 1px solid var(--color-line); }
.paginacion { margin: 20px 0; }
.paginacion__lista { display: flex; align-items: center; justify-content: center; gap: 14px; }
.datos { display: grid; grid-template-columns: 140px 1fr; gap: 6px 14px; margin: 16px 0 22px; }
.datos dt { font-weight: 700; color: var(--color-muted); }
.datos dd { margin: 0; }


/* ==========================================================================
   Footer
   ========================================================================== */
.footer { padding: 40px 20px; color: #bdbdbd; background: var(--color-dark); }
.footer__inner { display: flex; align-items: center; gap: 40px; max-width: var(--container); margin: 0 auto; }
.footer__menu { display: flex; flex-direction: column; gap: 6px; }
.footer__menu a { font-size: var(--text-s); text-transform: uppercase; }
.footer__menu a:hover, .footer__datos a:hover { color: var(--color-white); }
.footer__datos { flex: 1; text-align: right; font-size: var(--text-s); }
.footer__datos p { margin: 8px 0; }
.footer__logo { display: block; }


/* ==========================================================================
   Sidebar admin
   ========================================================================== */
.admin { display: flex; min-height: 100vh; background: var(--color-bg-alt); }
.admin--login { align-items: center; justify-content: center; padding: 20px; }
.login__logo { display: block; margin: 0 auto 10px; padding: 8px 14px; background: var(--color-white); }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; width: 250px; height: 100vh; flex-shrink: 0; padding: 18px 12px; overflow-y: auto; color: #cfcfcf; background: var(--color-dark); }
.sidebar__marca { display: block; padding: 8px; margin-bottom: 14px; background: var(--color-white); }
.sidebar__marca img { display: block; width: 100%; height: auto; }
.sidebar__menu { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar__menu a { padding: 9px 12px; border-radius: var(--radius); font-size: var(--text-s); }
.sidebar__menu a:hover { color: var(--color-white); background: #2a2b2b; }
.sidebar__menu a.is-active { color: var(--color-white); background: var(--color-primary); }
.sidebar__salir { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 14px 8px 0; }
.admin__contenido { flex: 1; min-width: 0; }
.admin__barra { display: flex; align-items: center; gap: 14px; padding: 16px 28px; background: var(--color-white); border-bottom: 1px solid var(--color-line); }
.admin__barra h1 { flex: 1; font-size: var(--text-l); }
.admin__barra .navbar__toggle { color: var(--color-dark); }
.admin__acciones { display: flex; gap: 10px; }
.admin__main { padding: 28px; }


/* ==========================================================================
   Dashboard
   ========================================================================== */
.resumen { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; margin-bottom: 24px; }
.resumen__tarjeta { display: flex; flex-direction: column; padding: 18px; background: var(--color-white); border-radius: var(--radius); box-shadow: var(--shadow); }
.resumen__tarjeta:hover { outline: 2px solid var(--color-primary); }
.resumen__valor { font-size: var(--text-xxl); font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.resumen__etiqueta { font-size: var(--text-s); color: var(--color-muted); }
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; margin-top: 24px; }
.galeria__item { overflow: hidden; background: var(--color-white); border-radius: var(--radius); box-shadow: var(--shadow); }
.galeria__item img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.galeria__pdf { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; font-size: var(--text-xl); color: var(--color-muted); background: var(--color-bg-alt); }
.galeria figcaption { display: flex; flex-direction: column; gap: 8px; padding: 12px; font-size: var(--text-s); word-break: break-word; }
.galeria figcaption form { display: flex; gap: 6px; }


/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1000px) {
    .rejilla--categorias { grid-template-columns: repeat(2, 1fr); }
    .ficha, .catalogo, .dos-columnas { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --text-xl: 1.5rem; }
    .solo-escritorio { display: none !important; }
    .solo-movil { display: block !important; }

    .navbar__inner { flex-wrap: wrap; }
    .navbar__logo img { width: 160px; height: auto; }
    .navbar__toggle { display: block; }
    .navbar__menu { display: none; flex-direction: column; align-items: stretch; width: 100%; flex-basis: 100%; }
    .navbar__menu.is-open { display: flex; }
    .navbar__menu > a { padding: 10px 4px; border-bottom: 1px solid var(--color-line); }
    .navbar__carrito { align-self: flex-start; padding: 10px 4px; }
    .dropdown__boton { width: 100%; justify-content: space-between; }
    .dropdown__menu { position: static; min-width: 0; margin: 4px 0 8px; }
    .seccion { padding: 28px 0 40px; }
    .servicio { grid-template-columns: 1fr; }
    .footer__inner { flex-direction: column; text-align: center; }
    .footer__datos { text-align: center; }
    .datos { grid-template-columns: 1fr; }

    .admin { flex-direction: column; }
    .sidebar { position: static; display: none; width: 100%; height: auto; }
    .sidebar.is-open { display: flex; }
    .admin__barra { padding: 12px 16px; }
    .admin__main { padding: 16px; }
}

@media (min-width: 769px) {
    .admin__barra .navbar__toggle { display: none; }
}


/* ==========================================================================
   Impresion
   ========================================================================== */
@media print {
    .sidebar, .admin__barra, .formulario, .navbar, .footer { display: none !important; }
    .admin, .admin__main { display: block; padding: 0; background: var(--color-white); }
    .tarjeta { box-shadow: none; }
}