:root {
    --oro: #c9a24b;
    --oro-claro: #e6c878;
    --oro-oscuro: #9c7b2e;
    --negro: #0c0c0e;
    --negro-suave: #17171a;
    --gris-panel: #1f1f23;
    --texto-claro: #f2ede1;
    --texto-mudo: #a8a29a;
    --borde: #2c2c31;
    --exito: #3fb27f;
    --peligro: #e05b5b;
    --advertencia: #e0b23f;
}

* { box-sizing: border-box; }

body {
    background: var(--negro);
    color: var(--texto-claro);
    font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif;
    min-height: 100vh;
}

a { text-decoration: none; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--negro-suave); }
::-webkit-scrollbar-thumb { background: var(--oro-oscuro); border-radius: 8px; }

/* ---------- Login ---------- */
.pagina-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #1a1a1e 0%, #0c0c0e 70%);
    padding: 20px;
}
.tarjeta-login {
    background: var(--negro-suave);
    border: 1px solid var(--borde);
    border-radius: 18px;
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,.6);
    text-align: center;
}
.tarjeta-login img { width: 110px; margin-bottom: 10px; filter: drop-shadow(0 0 12px rgba(201,162,75,.35)); }
.tarjeta-login h1 { font-size: 1.4rem; color: var(--oro-claro); letter-spacing: 1px; margin-bottom: 4px; }
.tarjeta-login p.subt { color: var(--texto-mudo); font-size: .85rem; margin-bottom: 26px; letter-spacing: 2px; text-transform: uppercase; }

/* ---------- Layout general ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: linear-gradient(180deg, #141416 0%, #0c0c0e 100%);
    border-right: 1px solid var(--borde);
    padding: 22px 0;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    overflow-y: auto;
    z-index: 1030;
    transition: transform .25s ease;
}
.sidebar .logo-box { text-align: center; margin-bottom: 18px; padding: 0 16px; }
.sidebar .logo-box img { width: 64px; margin-bottom: 6px; }
.sidebar .logo-box .nombre-tienda { color: var(--oro-claro); font-weight: 600; letter-spacing: 1.5px; font-size: .95rem; }
.sidebar .logo-box .slogan-tienda { color: var(--texto-mudo); font-size: .68rem; letter-spacing: 1px; text-transform: uppercase; }

.sidebar nav { margin-top: 12px; }
.sidebar .nav-link {
    color: var(--texto-mudo);
    padding: 11px 22px;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 3px solid transparent;
    transition: all .15s ease;
}
.sidebar .nav-link i { width: 18px; text-align: center; color: var(--oro-oscuro); }
.sidebar .nav-link:hover { background: rgba(201,162,75,.08); color: var(--texto-claro); }
.sidebar .nav-link.activo {
    background: rgba(201,162,75,.14);
    color: var(--oro-claro);
    border-left-color: var(--oro);
    font-weight: 600;
}
.sidebar .nav-section-title {
    color: #6a655e;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 14px 22px 6px;
}

.contenido {
    margin-left: 240px;
    width: calc(100% - 240px);
    padding: 24px 28px 60px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 12px;
}
.topbar h2 { color: var(--texto-claro); font-size: 1.4rem; font-weight: 600; margin: 0; }
.topbar .fecha-hoy { color: var(--texto-mudo); font-size: .85rem; }

.btn-toggle-sidebar {
    display: none;
    background: var(--gris-panel);
    border: 1px solid var(--borde);
    color: var(--oro-claro);
    border-radius: 8px;
    padding: 6px 10px;
}

.usuario-chip {
    background: var(--gris-panel);
    border: 1px solid var(--borde);
    border-radius: 30px;
    padding: 6px 14px;
    font-size: .85rem;
    color: var(--texto-claro);
    display: flex;
    align-items: center;
    gap: 8px;
}
.usuario-chip .avatar {
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--oro); color: #17170c; font-weight: 700;
    display: flex; align-items: center; justify-content: center; font-size: .75rem;
}

/* ---------- Cards / paneles ---------- */
.panel {
    background: var(--negro-suave);
    border: 1px solid var(--borde);
    border-radius: 14px;
    padding: 20px;
}
.card-kpi {
    background: var(--negro-suave);
    border: 1px solid var(--borde);
    border-radius: 14px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    height: 100%;
}
.card-kpi .icono {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    background: rgba(201,162,75,.12);
    color: var(--oro-claro);
    flex-shrink: 0;
}
.card-kpi .icono.verde { background: rgba(63,178,127,.14); color: var(--exito); }
.card-kpi .icono.rojo { background: rgba(224,91,91,.14); color: var(--peligro); }
.card-kpi .icono.azul { background: rgba(90,140,220,.14); color: #7ea6e8; }
.card-kpi .valor { font-size: 1.35rem; font-weight: 700; color: var(--texto-claro); line-height: 1.1; }
.card-kpi .etiqueta { color: var(--texto-mudo); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }

.titulo-panel {
    color: var(--oro-claro);
    font-size: 1.02rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Tablas ---------- */
.table-dorada { color: var(--texto-claro); margin-bottom: 0; }
.table-dorada thead th {
    background: #131315;
    color: var(--oro-claro);
    border-bottom: 1px solid var(--borde);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    font-weight: 600;
    white-space: nowrap;
}
.table-dorada td { border-color: var(--borde); vertical-align: middle; font-size: .9rem; }
.table-dorada tbody tr:hover { background: rgba(201,162,75,.05); }

.miniatura-producto {
    width: 42px; height: 42px; border-radius: 8px; object-fit: cover;
    border: 1px solid var(--borde); background: #000;
}

.badge-categoria { background: rgba(201,162,75,.15); color: var(--oro-claro); font-weight: 500; }
.badge-stockbajo { background: rgba(224,91,91,.18); color: #ff8b8b; }
.badge-promo { background: rgba(63,178,127,.18); color: #6fe0ac; }

/* ---------- Formularios ---------- */
.form-control, .form-select {
    background: #121214;
    border: 1px solid var(--borde);
    color: var(--texto-claro);
}
.form-control:focus, .form-select:focus {
    background: #121214;
    border-color: var(--oro-oscuro);
    color: var(--texto-claro);
    box-shadow: 0 0 0 .2rem rgba(201,162,75,.18);
}
.form-control::placeholder { color: #6a655e; }
label.form-label { color: var(--texto-mudo); font-size: .85rem; margin-bottom: 5px; }

.btn-dorado {
    background: linear-gradient(135deg, var(--oro-claro), var(--oro-oscuro));
    color: #16130a;
    border: none;
    font-weight: 600;
    letter-spacing: .3px;
}
.btn-dorado:hover { color: #16130a; filter: brightness(1.08); }
.btn-outline-dorado {
    border: 1px solid var(--oro-oscuro);
    color: var(--oro-claro);
    background: transparent;
}
.btn-outline-dorado:hover { background: rgba(201,162,75,.12); color: var(--oro-claro); }

/* ---------- Login inputs ---------- */
.tarjeta-login .form-control { text-align: left; }

/* ---------- Factura imprimible ---------- */
.factura-box {
    background: #fff;
    color: #111;
    border-radius: 10px;
    padding: 34px;
    max-width: 820px;
    margin: 0 auto;
}
.factura-box .encabezado { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 3px solid #c9a24b; padding-bottom: 16px; margin-bottom: 18px;}
.factura-box .encabezado img { width: 90px; }
.factura-box table { width: 100%; border-collapse: collapse; margin-top: 14px;}
.factura-box th { background: #17171a; color: #e6c878; padding: 8px 10px; font-size: .8rem; text-transform: uppercase;}
.factura-box td { padding: 8px 10px; border-bottom: 1px solid #eee; font-size: .9rem;}
.factura-box .totales { width: 280px; margin-left: auto; margin-top: 14px; }
.factura-box .totales div { display:flex; justify-content: space-between; padding: 4px 0; font-size:.92rem;}
.factura-box .totales .total-final { font-weight: 700; font-size: 1.15rem; border-top: 2px solid #c9a24b; margin-top:6px; padding-top:8px; }

@media print {
    .no-imprimir { display: none !important; }
    body { background: #fff; }
    .factura-box { box-shadow: none; padding: 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.mostrar { transform: translateX(0); box-shadow: 10px 0 40px rgba(0,0,0,.6); }
    .contenido { margin-left: 0; width: 100%; padding: 18px 16px 50px; }
    .btn-toggle-sidebar { display: inline-flex; }
}

@media (max-width: 576px) {
    .topbar h2 { font-size: 1.15rem; }
    .card-kpi .valor { font-size: 1.1rem; }
}

.overlay-sidebar {
    display: none;
    position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 1020;
}
.overlay-sidebar.mostrar { display: block; }

.linea-productos-item { border: 1px solid var(--borde); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; background: #141416; }

.chip-stock-bajo { animation: pulso 2s infinite; }
@keyframes pulso {
    0% { box-shadow: 0 0 0 0 rgba(224,91,91,.5); }
    70% { box-shadow: 0 0 0 8px rgba(224,91,91,0); }
    100% { box-shadow: 0 0 0 0 rgba(224,91,91,0); }
}

/* ---------- Vista previa de anuncios en el panel admin ---------- */
.vista-anuncio {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--borde);
}
.vista-anuncio img, .vista-anuncio video { width: 100%; height: 100%; object-fit: cover; display: block; }
.vista-anuncio .etiqueta-tipo {
    position: absolute; top: 8px; left: 8px;
}
.vista-anuncio .etiqueta-estado {
    position: absolute; top: 8px; right: 8px;
}