:root {
    --fondo-principal: #0d111c;
    --fondo-menu: #111726;
    --fondo-tarjeta: #171e2f;
    --fondo-secundario: #1d2538;
    --borde: #2a3349;
    --texto-principal: #f6f7fb;
    --texto-secundario: #929bb0;
    --morado: #8b5cf6;
    --morado-claro: #a78bfa;
    --verde: #22c55e;
    --amarillo: #f59e0b;
}

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

body {
    min-height: 100vh;
    background: var(--fondo-principal);
    color: var(--texto-principal);
    font-family: Arial, Helvetica, sans-serif;
}

button,
select {
    font: inherit;
}

.menu-lateral {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    width: 270px;
    height: 100vh;
    padding: 28px 20px;
    background: var(--fondo-menu);
    border-right: 1px solid var(--borde);
}

.marca {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 0 10px;
    margin-bottom: 38px;
}

.marca-icono {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--morado), #6d28d9);
    font-size: 25px;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.28);
}

.marca h2 {
    font-size: 21px;
}

.marca p {
    margin-top: 3px;
    color: var(--texto-secundario);
    font-size: 12px;
}

.menu {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 7px;
}

.opcion-menu {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 13px 15px;
    border-radius: 11px;
    color: var(--texto-secundario);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s ease;
}

.opcion-menu span {
    width: 25px;
    font-size: 18px;
    text-align: center;
}

.opcion-menu:hover {
    background: var(--fondo-secundario);
    color: var(--texto-principal);
    transform: translateX(3px);
}

.opcion-menu.activa {
    background: linear-gradient(
        90deg,
        rgba(139, 92, 246, 0.23),
        rgba(139, 92, 246, 0.08)
    );
    color: var(--morado-claro);
    border-left: 3px solid var(--morado);
}

.estado-sistema {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 14px;
    border: 1px solid var(--borde);
    border-radius: 13px;
    background: var(--fondo-secundario);
}

.punto-verde {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--verde);
    box-shadow: 0 0 13px var(--verde);
}

.estado-sistema strong {
    font-size: 12px;
}

.estado-sistema p {
    margin-top: 3px;
    color: var(--texto-secundario);
    font-size: 10px;
}

.contenido {
    min-height: 100vh;
    margin-left: 270px;
    padding: 32px;
}

.encabezado {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.saludo {
    margin-bottom: 6px;
    color: var(--morado-claro);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.encabezado h1 {
    margin-bottom: 7px;
    font-size: 31px;
}

.descripcion {
    color: var(--texto-secundario);
    font-size: 14px;
}

.acciones-usuario {
    display: flex;
    align-items: center;
    gap: 14px;
}

.boton-notificaciones {
    position: relative;
    display: grid;
    place-items: center;
    width: 45px;
    height: 45px;
    border: 1px solid var(--borde);
    border-radius: 12px;
    background: var(--fondo-tarjeta);
    color: white;
    cursor: pointer;
}

.boton-notificaciones span {
    position: absolute;
    top: -5px;
    right: -5px;
    display: grid;
    place-items: center;
    width: 19px;
    height: 19px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    font-size: 10px;
    font-weight: bold;
}

.usuario {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 8px 14px 8px 8px;
    border: 1px solid var(--borde);
    border-radius: 13px;
    background: var(--fondo-tarjeta);
}

.avatar {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--morado), #6d28d9);
    font-weight: bold;
}

.usuario strong {
    font-size: 13px;
}

.usuario p {
    margin-top: 3px;
    color: var(--texto-secundario);
    font-size: 11px;
}

.tarjetas-resumen {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 20px;
}

.tarjeta,
.panel {
    border: 1px solid var(--borde);
    border-radius: 17px;
    background: var(--fondo-tarjeta);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.13);
}

.tarjeta {
    padding: 20px;
    transition: 0.2s ease;
}

.tarjeta:hover {
    border-color: rgba(139, 92, 246, 0.65);
    transform: translateY(-3px);
}

.tarjeta-superior {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.tarjeta-superior p {
    margin-bottom: 12px;
    color: var(--texto-secundario);
    font-size: 13px;
}

.tarjeta-superior h2 {
    font-size: 27px;
}

.icono-tarjeta {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: rgba(139, 92, 246, 0.16);
    font-size: 21px;
}

.detalle-tarjeta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--texto-secundario);
    font-size: 11px;
}

.positivo {
    color: var(--verde);
    font-weight: bold;
}

.cuadricula-principal {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.cuadricula-secundaria {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.panel {
    padding: 22px;
}

.titulo-panel {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.titulo-panel h2 {
    margin-bottom: 6px;
    font-size: 17px;
}

.titulo-panel p {
    color: var(--texto-secundario);
    font-size: 12px;
}

.titulo-panel a {
    color: var(--morado-claro);
    font-size: 12px;
    font-weight: bold;
    text-decoration: none;
}

.titulo-panel select {
    padding: 9px 12px;
    border: 1px solid var(--borde);
    border-radius: 10px;
    outline: none;
    background: var(--fondo-secundario);
    color: var(--texto-principal);
    font-size: 12px;
}

.grafica-vacia {
    min-height: 250px;
    padding-top: 15px;
}

.barras {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 205px;
    padding: 0 12px;
    border-bottom: 1px solid var(--borde);
    background-image: linear-gradient(
        to bottom,
        transparent 24%,
        var(--borde) 25%,
        transparent 26%,
        transparent 49%,
        var(--borde) 50%,
        transparent 51%,
        transparent 74%,
        var(--borde) 75%,
        transparent 76%
    );
}

.barras span {
    width: 35px;
    min-height: 12px;
    border-radius: 8px 8px 3px 3px;
    background: linear-gradient(to top, #6d28d9, var(--morado-claro));
    box-shadow: 0 0 18px rgba(139, 92, 246, 0.25);
}

.dias {
    display: flex;
    justify-content: space-around;
    padding: 12px 5px 0;
    color: var(--texto-secundario);
    font-size: 11px;
}

.acciones-rapidas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.acciones-rapidas button {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 78px;
    padding: 15px;
    border: 1px solid var(--borde);
    border-radius: 13px;
    background: var(--fondo-secundario);
    color: var(--texto-principal);
    font-size: 12px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    transition: 0.2s ease;
}

.acciones-rapidas button:hover {
    border-color: var(--morado);
    background: rgba(139, 92, 246, 0.14);
    transform: translateY(-2px);
}

.acciones-rapidas span {
    font-size: 22px;
}

.estado-vacio {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    min-height: 180px;
    text-align: center;
}

.estado-vacio div {
    margin-bottom: 13px;
    font-size: 35px;
    opacity: 0.75;
}

.estado-vacio h3 {
    margin-bottom: 7px;
    font-size: 14px;
}

.estado-vacio p {
    color: var(--texto-secundario);
    font-size: 12px;
}

@media (max-width: 1150px) {
    .tarjetas-resumen {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cuadricula-principal {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 800px) {
    .menu-lateral {
        position: static;
        width: 100%;
        height: auto;
    }

    .menu {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-bottom: 25px;
    }

    .contenido {
        margin-left: 0;
        padding: 22px;
    }

    .encabezado {
        align-items: flex-start;
        flex-direction: column;
        gap: 20px;
    }

    .cuadricula-secundaria {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .contenido {
        padding: 16px;
    }

    .menu {
        grid-template-columns: 1fr;
    }

    .tarjetas-resumen {
        grid-template-columns: 1fr;
    }

    .acciones-usuario {
        align-items: stretch;
        width: 100%;
    }

    .usuario {
        flex: 1;
    }

    .acciones-rapidas {
        grid-template-columns: 1fr;
    }

    .barras span {
        width: 22px;
    }
}
.boton-accion-rapida {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 78px;
    padding: 15px;
    border: 1px solid var(--borde);
    border-radius: 13px;
    background: var(--fondo-secundario);
    color: var(--texto-principal);
    font-size: 12px;
    font-weight: 700;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: 0.2s ease;
}

.boton-accion-rapida:hover {
    border-color: var(--morado);
    background: rgba(139, 92, 246, 0.14);
    transform: translateY(-2px);
}

.boton-accion-rapida span {
    font-size: 22px;
}
.tabla-contenedor {
    overflow-x: auto;
}

.tabla-productos {
    width: 100%;
    border-collapse: collapse;
}

.tabla-productos th,
.tabla-productos td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--borde);
    text-align: left;
    white-space: nowrap;
}

.tabla-productos th {
    color: var(--texto-secundario);
    font-size: 11px;
    text-transform: uppercase;
}

.tabla-productos td {
    font-size: 12px;
}

.enlace-ticket {
    color: var(--morado-claro);
    font-weight: 700;
    text-decoration: none;
}

.existencia-baja {
    color: #f59e0b;
    font-weight: 700;
}
.estado-sistema {
    display: flex;
    flex-direction: column;
    gap: 13px;
    padding: 14px;
    border: 1px solid var(--borde);
    border-radius: 13px;
    background: var(--fondo-secundario);
}

.usuario-sesion {
    display: flex;
    align-items: center;
    gap: 11px;
}

.avatar-sesion {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(
        135deg,
        var(--morado),
        #6d28d9
    );
    color: white;
    font-size: 14px;
    font-weight: 700;
}

.datos-sesion {
    min-width: 0;
}

.datos-sesion strong {
    display: block;
    overflow: hidden;
    color: var(--texto-principal);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.datos-sesion p {
    margin-top: 3px;
    color: var(--texto-secundario);
    font-size: 10px;
}

.formulario-logout {
    width: 100%;
}

.boton-logout {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.09);
    color: #fca5a5;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

.boton-logout:hover {
    border-color: rgba(239, 68, 68, 0.6);
    background: rgba(239, 68, 68, 0.16);
}
.formulario-logout {
    width: 100%;
    margin: 0;
}

.boton-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    font-family: inherit;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    appearance: none;
    transition: 0.2s ease;
}

.boton-logout:hover {
    border-color: rgba(239, 68, 68, 0.7);
    background: rgba(239, 68, 68, 0.18);
    color: #fecaca;
}
.menu-lateral {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--borde) transparent;
}

.marca {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 4px;
    margin-bottom: 30px;
}

.marca-icono {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 58px;
    height: 58px;
    overflow: hidden;
    border: 1px solid var(--borde);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.marca-icono img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.marca-icono span {
    font-size: 28px;
}

.marca-informacion {
    min-width: 0;
}

.marca-informacion h2 {
    display: -webkit-box;
    overflow: hidden;
    color: var(--texto-principal);
    font-size: 19px;
    line-height: 1.08;

    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.marca-informacion p {
    overflow: hidden;
    margin-top: 6px;
    color: var(--texto-secundario);
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.menu {
    gap: 5px;
}

.opcion-menu {
    position: relative;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid transparent;
    border-radius: 12px;
}

.opcion-menu:hover {
    border-color: rgba(139, 92, 246, 0.18);
    background: rgba(139, 92, 246, 0.08);
    transform: none;
}

.opcion-menu.activa {
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-left: 3px solid var(--morado);
    background: linear-gradient(
        90deg,
        rgba(139, 92, 246, 0.22),
        rgba(139, 92, 246, 0.08)
    );
    box-shadow: inset 0 0 22px rgba(139, 92, 246, 0.04);
}

.estado-conexion {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 18px 3px 12px;
    padding: 11px 12px;
    border: 1px solid rgba(34, 197, 94, 0.18);
    border-radius: 12px;
    background: rgba(34, 197, 94, 0.06);
}

.indicador-conexion {
    flex-shrink: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--verde);
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.8);
}

.estado-conexion strong {
    display: block;
    color: #86efac;
    font-size: 11px;
}

.estado-conexion p {
    margin-top: 2px;
    color: var(--texto-secundario);
    font-size: 9px;
}

.estado-conexion.modo-offline {
    background:
        rgba(245, 158, 11, 0.10);

    border-color:
        rgba(245, 158, 11, 0.30);
}

.estado-conexion.modo-offline
.indicador-conexion {
    background: #f59e0b;

    box-shadow:
        0 0 10px
        rgba(245, 158, 11, 0.55);
}

.estado-conexion.modo-offline strong {
    color: #fbbf24;
}

.estado-conexion.modo-offline p {
    color: #d4a94f;
}

.estado-sistema {
    margin-top: 0;
    padding: 13px;
    border-radius: 14px;
}

.usuario-sesion {
    width: 100%;
}

.avatar-sesion {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.25);
}

.datos-sesion {
    flex: 1;
}

.datos-sesion strong {
    font-size: 12px;
}

.datos-sesion p {
    margin-top: 4px;
    font-size: 10px;
}

.formulario-logout .boton-logout {
    min-height: 40px;
    margin-top: 2px;
}
.titulo-menu {
    margin: 2px 14px 10px;
    color: #64708a;
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.3px;
}

.opcion-menu {
    gap: 12px;
}

.opcion-menu .icono-menu {
    flex-shrink: 0;
    width: 19px;
    height: 19px;
    color: currentColor;
    transition: transform 0.2s ease;
}

.opcion-menu > span {
    width: auto;
    font-size: 14px;
    text-align: left;
}

.opcion-menu:hover .icono-menu {
    transform: scale(1.08);
}

.opcion-menu.activa .icono-menu {
    filter: drop-shadow(
        0 0 5px rgba(167, 139, 250, 0.45)
    );
}
.campo-archivo-licencia {
    width: 100%;
    padding: 13px;
    border: 1px dashed var(--borde);
    border-radius: 12px;
    background: var(--fondo-secundario);
    color: var(--texto-secundario);
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
}

.campo-archivo-licencia::file-selector-button {
    margin-right: 12px;
    padding: 9px 12px;
    border: none;
    border-radius: 9px;
    background: rgba(139, 92, 246, 0.16);
    color: var(--morado-claro);
    font-family: inherit;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}

.ayuda-archivo {
    color: var(--texto-secundario);
    font-size: 10px;
    line-height: 1.5;
}
.mensaje-compra {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 11px;
    font-size: 11px;
    line-height: 1.5;
}

.mensaje-compra.exito {
    border: 1px solid rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.1);
    color: #86efac;
}

.mensaje-compra.error {
    border: 1px solid rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
}
.form-cancelar-venta {
    margin: 0;
}

.form-cancelar-venta button {
    cursor: pointer;
}

/* =========================================================
   AVISO DE LICENCIA POR VENCER
   ========================================================= */

.aviso-licencia {
    display: flex;
    align-items: center;
    gap: 16px;

    margin-bottom: 22px;
    padding: 16px 18px;

    border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: 14px;

    background:
        linear-gradient(
            135deg,
            rgba(245, 158, 11, 0.08),
            rgba(139, 92, 246, 0.05)
        );

    box-shadow:
        0 14px 30px
        rgba(0, 0, 0, 0.12);
}

.aviso-licencia-icono {
    display: grid;
    place-items: center;

    width: 42px;
    height: 42px;

    flex-shrink: 0;

    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 12px;

    background: rgba(245, 158, 11, 0.10);

    font-size: 20px;
}

.aviso-licencia-contenido {
    flex: 1;
    min-width: 0;
}

.aviso-licencia-contenido > strong {
    display: block;

    margin-bottom: 5px;

    color: #fbbf24;

    font-size: 13px;
    font-weight: 800;
}

.aviso-licencia-contenido p {
    margin: 0;

    color: var(--texto-secundario);

    font-size: 10px;
    line-height: 1.55;
}

.aviso-licencia-contenido p strong {
    color: var(--texto-principal);
    font-weight: 800;
}

.boton-aviso-licencia {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 40px;
    padding: 10px 15px;

    flex-shrink: 0;

    border: none;
    border-radius: 10px;

    background:
        linear-gradient(
            135deg,
            var(--morado),
            #6d28d9
        );

    color: white;

    font-size: 10px;
    font-weight: 800;

    text-decoration: none;

    transition:
        transform 0.2s ease,
        filter 0.2s ease;
}

.boton-aviso-licencia:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

@media (max-width: 800px) {

    .aviso-licencia {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .aviso-licencia-contenido {
        min-width: 200px;
    }

    .boton-aviso-licencia {
        width: 100%;
    }
}


/* =========================================================
   AVISO DE LICENCIA - TABLET / MÓVIL
   ========================================================= */

@media (max-width: 800px) {

    .aviso-licencia {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .aviso-licencia-contenido {
        min-width: 200px;
    }

    .boton-aviso-licencia {
        width: 100%;
    }
}