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

body{
    font-family:Arial,Helvetica,sans-serif;

    background-image:
        linear-gradient(rgba(0,0,0,0.72),rgba(0,0,0,0.72)),
        url("img/fondo/fondo.jpg");

    background-size:cover;
    background-position:center;
    background-attachment:fixed;
    background-repeat:no-repeat;

    background-color:#080808;
    color:#fff;
}

button,
input,
select,
textarea{
    font-family:inherit;
}

/* =================================
   ENCABEZADO
================================= */

.encabezado{
    width:100%;
    background:rgba(5,5,5,0.97);
    color:white;
    padding:12px 6%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    position:sticky;
    top:0;
    z-index:100;
    border-bottom:2px solid #ff5a00;
    box-shadow:0 3px 20px rgba(255,80,0,0.25);
}

.logo{
    display:flex;
    align-items:center;
    gap:12px;
}

.logo-icono{
    width:50px;
    height:50px;
    border-radius:50%;
    overflow:hidden;
    display:flex;
    justify-content:center;
    align-items:center;
    flex-shrink:0;
    box-shadow:0 0 12px rgba(255,80,0,0.7);
}

.logo-icono img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.logo h1{
    font-size:21px;
    font-weight:900;
    color:#fff;
    letter-spacing:.5px;
}

.logo p{
    font-size:13px;
    color:#ff8c00;
    margin-top:3px;
    font-weight:bold;
}

/* =================================
   BOTÓN CANASTA
================================= */

.boton-canasta{
    border:2px solid #ff6a00;
    background:linear-gradient(135deg,#ff7a00,#ff3d00);
    color:white;
    padding:10px 16px;
    border-radius:10px;
    cursor:pointer;
    display:flex;
    align-items:center;
    gap:7px;
    font-weight:bold;
    box-shadow:0 0 12px rgba(255,80,0,.35);
    transition:.2s;
}

.boton-canasta:hover{
    transform:translateY(-2px);
    box-shadow:0 0 20px rgba(255,80,0,.65);
}

.boton-canasta strong{
    background:#050505;
    color:#ffb000;
    min-width:23px;
    height:23px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:12px;
}

/* =================================
   PRESENTACIÓN
================================= */

.presentacion{
    text-align:center;
    padding:45px 20px 30px;
    background:linear-gradient(rgba(0,0,0,.78),rgba(15,5,0,.78));
    border-bottom:1px solid rgba(255,90,0,.35);
}

.presentacion h2{
    font-size:32px;
    margin-bottom:10px;
    color:white;
    text-shadow:0 0 10px rgba(255,80,0,.35);
}

.presentacion p{
    color:#ddd;
    font-size:15px;
}

/* =================================
   BUSCADOR
================================= */

.buscador-container{
    padding:25px 20px;
    background:rgba(5,5,5,.88);
}

.buscador{
    max-width:750px;
    margin:auto;
    background:#111;
    border:2px solid #3b3b3b;
    border-radius:16px;
    padding:13px 17px;
    display:flex;
    align-items:center;
    gap:12px;
    box-shadow:0 5px 20px rgba(0,0,0,.45);
    transition:.25s;
}

.buscador:hover{
    border-color:#ff6a00;
    box-shadow:0 0 15px rgba(255,80,0,.25);
}

.buscador:focus-within{
    border-color:#ff6a00;
    box-shadow:
        0 0 0 3px rgba(255,90,0,.15),
        0 0 20px rgba(255,70,0,.25);
    transform:translateY(-1px);
}

.buscador span{
    width:40px;
    height:40px;
    background:linear-gradient(145deg,#ff9800,#ff4500);
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    flex-shrink:0;
    box-shadow:0 0 10px rgba(255,80,0,.35);
}

.buscador input{
    width:100%;
    border:none;
    outline:none;
    background:transparent;
    font-size:16px;
    color:white;
}

.buscador input::placeholder{
    color:#999;
}

/* =================================
   CATEGORÍAS
================================= */

.categorias{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:16px 6%;
    background:rgba(5,5,5,.92);
    border-top:1px solid #222;
    border-bottom:1px solid #222;
}

.categorias::-webkit-scrollbar{
    display:none;
}

.categoria{
    white-space:nowrap;
    border:1px solid #444;
    background:#151515;
    color:#ddd;
    padding:10px 17px;
    border-radius:25px;
    cursor:pointer;
    font-size:14px;
    font-weight:bold;
    transition:.2s;
}

.categoria:hover{
    border-color:#ff6a00;
    color:#ff8c00;
    box-shadow:0 0 10px rgba(255,80,0,.18);
}

.categoria.activa{
    background:linear-gradient(135deg,#ff8c00,#ff4500);
    color:white;
    border-color:#ff6a00;
    box-shadow:0 0 15px rgba(255,80,0,.35);
}

/* =================================
   PRODUCTOS
================================= */

.productos-container{
    max-width:1200px;
    margin:auto;
    padding:35px 20px;
}

.productos{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
    gap:22px;
}

.producto{
    background:linear-gradient(145deg,#151515,#0c0c0c);
    border:1px solid #292929;
    border-radius:16px;
    overflow:hidden;
    box-shadow:0 5px 18px rgba(0,0,0,.55);
    transition:.25s;
}

.producto:hover{
    transform:translateY(-5px);
    border-color:#ff5a00;
    box-shadow:
        0 8px 25px rgba(0,0,0,.7),
        0 0 15px rgba(255,70,0,.22);
}

.producto-imagen{
    width:100%;
    height:180px;
    object-fit:cover;
    display:block;
}

.producto-info{
    padding:17px;
}

.producto-categoria{
    font-size:11px;
    color:#ff8c00;
    margin-bottom:6px;
    text-transform:uppercase;
    font-weight:bold;
    letter-spacing:.5px;
}

.producto h3{
    font-size:19px;
    margin-bottom:7px;
    color:white;
}

.producto-descripcion{
    color:#aaa;
    font-size:14px;
    line-height:1.4;
    min-height:40px;
    margin-bottom:13px;
}

.producto-precio{
    font-size:20px;
    font-weight:900;
    margin-bottom:13px;
    color:#ffb000;
    text-shadow:0 0 8px rgba(255,150,0,.25);
}

/* =================================
   BOTÓN AGREGAR
================================= */

.boton-agregar{
    width:100%;
    border:none;
    background:linear-gradient(135deg,#ff8500,#ff4500);
    color:white;
    padding:12px;
    border-radius:9px;
    cursor:pointer;
    font-weight:bold;
    transition:.2s;
    box-shadow:0 3px 10px rgba(255,70,0,.25);
}

.boton-agregar:hover{
    background:linear-gradient(135deg,#ff9d00,#ff4d00);
    transform:scale(1.02);
    box-shadow:0 0 15px rgba(255,70,0,.45);
}

/* =================================
   SIN RESULTADOS
================================= */

.sin-resultados{
    display:none;
    text-align:center;
    padding:50px 20px;
    color:#aaa;
    font-size:18px;
}

/* =================================
   MODAL
================================= */

.modal-fondo{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.82);
    display:none;
    align-items:center;
    justify-content:center;
    padding:15px;
    z-index:200;
}

.modal-fondo.visible{
    display:flex;
}

.modal{
    background:linear-gradient(145deg,#171717,#0d0d0d);
    color:white;
    width:100%;
    max-width:550px;
    max-height:92vh;
    overflow-y:auto;
    border-radius:18px;
    padding:22px;
    border:1px solid #ff5a00;
    box-shadow:0 0 30px rgba(255,70,0,.25);
}

/* =================================
   ENCABEZADO MODAL
================================= */

.modal-header{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:20px;
}

.modal-header h2{
    font-size:24px;
    color:white;
}

.modal-header p{
    color:#aaa;
    font-size:13px;
    margin-top:4px;
}

.cerrar-modal{
    width:35px;
    height:35px;
    border:none;
    border-radius:50%;
    background:#292929;
    color:white;
    font-size:24px;
    cursor:pointer;
    transition:.2s;
}

.cerrar-modal:hover{
    background:#ff4d00;
}

/* =================================
   ITEMS DE LA CANASTA
================================= */

.items-canasta{
    display:flex;
    flex-direction:column;
    gap:12px;
    margin-bottom:20px;
}

.item-canasta{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-start;
    justify-content:space-between;
    gap:10px;
    padding:12px;
    background:linear-gradient(145deg,#1b1b1b,#141414);
    border:1px solid #292929;
    border-radius:12px;
    min-width:0;
}

.item-info{
    flex:1 1 140px;
    min-width:0;
}

.item-info h4{
    margin-bottom:5px;
    color:#fff;
    font-size:15px;
    line-height:1.35;
    overflow-wrap:anywhere;
}

.item-info p{
    font-size:13px;
    color:#aaa;
}

.item-controles{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    flex-wrap:wrap;
    gap:6px;
    flex:0 0 auto;
}

/* =================================
   OBSERVACIONES POR UNIDAD
================================= */

.observaciones-producto{
    flex:1 0 100%;
    width:100%;
    min-width:0;
    margin-top:2px;
    padding-top:10px;
    border-top:1px solid #303030;
}

.observacion-unidad{
    margin-top:8px;
    padding:10px;
    background:#111;
    border:1px solid #303030;
    border-radius:9px;
    min-width:0;
    transition:border-color .2s, box-shadow .2s;
}

.observacion-unidad:first-child{
    margin-top:0;
}

.observacion-unidad label{
    display:block;
    margin-bottom:7px;
    color:#ff9a35;
    font-size:12px;
    font-weight:700;
    line-height:1.4;
}

.observacion-unidad textarea{
    display:block;
    width:100%;
    min-width:0;
    min-height:58px;
    box-sizing:border-box;
    padding:10px 11px;
    border:1px solid #3a3a3a;
    border-radius:7px;
    outline:none;
    background:#191919;
    color:#fff;
    font-family:inherit;
    font-size:14px;
    line-height:1.45;
    resize:vertical;
    transition:border-color .2s, box-shadow .2s;
}

.observacion-unidad textarea::placeholder{
    color:#858585;
}

.observacion-unidad:focus-within{
    border-color:rgba(255,106,0,.65);
    box-shadow:0 0 0 2px rgba(255,90,0,.08);
}

.observacion-unidad textarea:focus{
    border-color:#ff6500;
    box-shadow:0 0 0 2px rgba(255,90,0,.12);
}

/* =================================
   CONTROLES DE CANTIDAD
================================= */

.cantidad-btn{
    width:30px;
    height:30px;
    border:none;
    background:#333;
    color:white;
    border-radius:6px;
    cursor:pointer;
    font-weight:bold;
}

.cantidad-btn:hover{
    background:#ff6500;
}

.eliminar-item{
    border:none;
    background:transparent;
    cursor:pointer;
    font-size:18px;
    color:#ff5a00;
}

/* =================================
   TOTAL
================================= */

.total-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-top:1px solid #333;
    padding-top:15px;
    margin-bottom:20px;
    font-size:19px;
}

.total-container strong{
    font-size:24px;
    color:#ffb000;
}

/* =================================
   DATOS DEL CLIENTE
================================= */

.datos-cliente{
    margin-top:10px;
}

.datos-cliente h3{
    margin-bottom:15px;
    color:#ff8c00;
}

.datos-cliente label{
    display:block;
    font-size:14px;
    font-weight:bold;
    margin-top:12px;
    margin-bottom:5px;
    color:#ddd;
}

.datos-cliente input,
.datos-cliente select,
.datos-cliente textarea{
    width:100%;
    border:1px solid #3a3a3a;
    border-radius:9px;
    padding:12px;
    outline:none;
    font-size:14px;
    background:#111;
    color:white;
}

.datos-cliente input::placeholder,
.datos-cliente textarea::placeholder{
    color:#777;
}

.datos-cliente input:focus,
.datos-cliente select:focus,
.datos-cliente textarea:focus{
    border-color:#ff6500;
    box-shadow:0 0 0 3px rgba(255,90,0,.12);
}

/* =================================
   BOTONES DE LA CANASTA
================================= */

.acciones-canasta{
    display:flex;
    gap:10px;
    margin-top:22px;
}

.boton-vaciar{
    padding:13px 16px;
    border:none;
    border-radius:9px;
    background:#292929;
    color:#ddd;
    cursor:pointer;
    font-weight:bold;
}

.boton-vaciar:hover{
    background:#3a3a3a;
}

.boton-whatsapp{
    flex:1;
    border:none;
    border-radius:9px;
    padding:13px;
    background:#25d366;
    color:white;
    font-weight:bold;
    cursor:pointer;
    font-size:15px;
    box-shadow:0 3px 12px rgba(37,211,102,.25);
}

.boton-whatsapp:hover{
    background:#1ebe5d;
    transform:translateY(-1px);
}

/* =================================
   NOTIFICACIÓN
================================= */

.notificacion{
    position:fixed;
    bottom:20px;
    left:50%;
    transform:translateX(-50%) translateY(100px);
    background:#151515;
    color:white;
    padding:13px 20px;
    border-radius:30px;
    border:1px solid #ff6500;
    opacity:0;
    transition:.3s;
    z-index:500;
    font-size:14px;
    box-shadow:0 0 15px rgba(255,70,0,.25);
}

.notificacion.mostrar{
    transform:translateX(-50%) translateY(0);
    opacity:1;
}

/* =================================
   CELULARES
================================= */

@media(max-width:600px){

    .encabezado{
        padding:11px 15px;
    }

    .logo h1{
        font-size:17px;
    }

    .logo p{
        font-size:11px;
    }

    .logo-icono{
        width:43px;
        height:43px;
        font-size:22px;
    }

    .boton-canasta span{
        display:none;
    }

    .presentacion{
        padding:32px 15px 22px;
    }

    .presentacion h2{
        font-size:25px;
    }

    .buscador-container{
        padding:18px 15px;
    }

    .buscador{
        border-radius:14px;
        padding:11px 13px;
    }

    .buscador span{
        width:34px;
        height:34px;
        font-size:17px;
    }

    .buscador input{
        font-size:15px;
    }

    .categorias{
        padding-left:15px;
        padding-right:15px;
    }

    .productos-container{
        padding:20px 15px;
    }

    .productos{
        grid-template-columns:1fr 1fr;
        gap:12px;
    }

    .producto{
        border-radius:13px;
    }

    .producto-imagen{
        height:135px;
    }

    .producto-info{
        padding:12px;
    }

    .producto h3{
        font-size:16px;
    }

    .producto-descripcion{
        font-size:12px;
    }

    .producto-precio{
        font-size:17px;
    }

    .boton-agregar{
        padding:10px 5px;
        font-size:13px;
    }

    .modal{
        padding:17px;
        border-radius:15px;
    }

    .acciones-canasta{
        position:sticky;
        bottom:0;
        background:#0d0d0d;
        padding-top:10px;
    }

    .item-canasta{
        gap:9px;
        padding:11px;
    }

    .item-info{
        flex-basis:100%;
    }

    .item-controles{
        width:100%;
        justify-content:flex-start;
    }

    .observaciones-producto{
        margin-top:3px;
        padding-top:9px;
    }

    .observacion-unidad{
        padding:9px;
    }

    .observacion-unidad textarea{
        min-height:56px;
        font-size:14px;
    }
}

/* =================================
   CELULARES PEQUEÑOS
================================= */

@media(max-width:360px){

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

    .modal{
        padding:13px;
    }

    .item-canasta{
        padding:9px;
    }

    .observacion-unidad label{
        font-size:12px;
    }

    .observacion-unidad textarea{
        padding:9px;
        font-size:13px;
    }

    .cantidad-btn{
        width:28px;
        height:28px;
    }
}