/* ============================================================
   LAMorales Celulares — Premium CSS v2.0
   Mejoras: Animaciones, Skeleton Loaders, Product Cards,
   Navbar Scroll, Badges, Accesibilidad, Scrollbar Custom
   ============================================================ */

/* ── Variables Globales ── */
:root {
    --bs-primary: #4F46E5;
    --bs-primary-rgb: 79, 70, 229;
    --bs-secondary: #64748B;
    --bs-secondary-rgb: 100, 116, 139;
    --bs-success: #10B981;
    --bs-success-rgb: 16, 185, 129;
    --bs-danger: #EF4444;
    --bs-warning: #F59E0B;
    --bs-info: #0EA5E9;
    --bs-dark: #0F172A;
    --bs-dark-rgb: 15, 23, 42;
    --bs-light: #F8FAFC;
    --bs-light-rgb: 248, 250, 252;

    --bs-body-bg: #F1F5F9;
    --bs-body-color: #334155;

    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Outfit', sans-serif;

    --shadow-soft: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31,38,135,0.07);

    /* ── NUEVAS variables v2.0 ── */
    --navbar-blur: 16px;
    --navbar-bg-scrolled: rgba(15, 23, 42, 0.97);
    --skeleton-base: #E2E8F0;
    --skeleton-shimmer: #F8FAFC;
    --transition-spring: all 0.35s cubic-bezier(0.25, 1, 0.33, 1);
    --card-img-height: 220px;
}

/* ── Base ── */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand,
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* ── MEJORA 1: Scrollbar personalizado (desktop) ── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #F1F5F9;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--bs-primary), #6366F1);
    border-radius: 99px;
    border: 2px solid #F1F5F9;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #4338CA, var(--bs-primary));
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bs-primary) #F1F5F9;
}

/* ── MEJORA 2: Accesibilidad — Focus Visible global ── */
:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.6);
    outline-offset: 3px;
    border-radius: 6px;
}
/* Quitamos el outline por defecto sólo si usamos :focus-visible */
:focus:not(:focus-visible) {
    outline: none;
}

/* ── MEJORA 3: Navbar con transición al scroll ── */
.navbar.bg-primary {
    background-color: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(var(--navbar-blur));
    -webkit-backdrop-filter: blur(var(--navbar-blur));
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky;
    top: 0;
    z-index: 1050;
    transition: background-color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
/* Clase aplicada via JS al hacer scroll */
.navbar.scrolled {
    background-color: var(--navbar-bg-scrolled) !important;
    box-shadow: 0 4px 24px rgba(0,0,0,0.25) !important;
    border-bottom-color: rgba(255,255,255,0.05) !important;
}
.navbar-brand {
    color: #fff !important;
}

/* ── MEJORA 4: Animación de entrada Hero (fade-up) ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.hero-section {
    background: linear-gradient(135deg, var(--bs-dark) 0%, #1E293B 100%);
    color: white;
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
    border-radius: 0 0 2.5rem 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%; left: -10%;
    width: 60%; height: 150%;
    background: radial-gradient(circle, rgba(79,70,229,0.2) 0%, transparent 70%);
    z-index: 0;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -20%; right: -10%;
    width: 40%; height: 100%;
    background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
    z-index: 0;
}
.hero-section > .container {
    position: relative;
    z-index: 1;
}

/* Animaciones escalonadas para hijos directos del hero */
.hero-section h1 {
    animation: fadeUp 0.7s cubic-bezier(0.25,1,0.33,1) both;
}
.hero-section p {
    animation: fadeUp 0.7s 0.15s cubic-bezier(0.25,1,0.33,1) both;
}
.hero-section .btn {
    animation: fadeUp 0.7s 0.3s cubic-bezier(0.25,1,0.33,1) both;
}

.max-w-700 { max-width: 700px; }

/* ── Cards base ── */
.card {
    border: 1px solid rgba(226,232,240,0.8);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    background-color: #fff;
}
.card-header, .card-footer {
    background-color: transparent;
    border-color: rgba(226,232,240,0.8);
}

/* ── MEJORA 5: Card de Producto (.card-producto) ── */
.card-producto {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(226,232,240,0.7);
    transition: var(--transition-spring);
    background: #fff;
    cursor: pointer;
    position: relative;
}
.card-producto:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover) !important;
    border-color: rgba(79,70,229,0.3);
}

/* Contenedor de imagen con overlay en hover */
.card-producto .card-img-wrapper {
    position: relative;
    overflow: hidden;
    height: var(--card-img-height);
    background: #F8FAFC;
}
.card-producto .card-img-top {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25,1,0.33,1);
}
.card-producto:hover .card-img-top {
    transform: scale(1.07);
}
/* Overlay oscuro al hacer hover */
.card-producto .card-img-overlay-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,0.55) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
    display: flex;
    align-items: flex-end;
    padding: 1rem 1.25rem;
}
.card-producto:hover .card-img-overlay-hover {
    opacity: 1;
}
.card-producto .overlay-cta {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Badge de precio flotante */
.card-producto .badge-precio {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--bs-primary), #6366F1);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    box-shadow: 0 4px 10px rgba(79,70,229,0.4);
    z-index: 2;
    letter-spacing: -0.01em;
}

/* Cuerpo de card producto */
.card-producto .card-body {
    padding: 1.1rem 1.25rem 1.25rem;
}
.card-producto .card-titulo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--bs-dark);
    margin-bottom: 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card-producto .card-desc {
    font-size: 0.82rem;
    color: var(--bs-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── MEJORA 6: Badges de Categoría / Etiquetas ── */
.badge-categoria {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    background: rgba(79,70,229,0.08);
    color: var(--bs-primary);
    border: 1px solid rgba(79,70,229,0.15);
    letter-spacing: 0.01em;
    transition: all 0.2s;
}
.badge-categoria:hover {
    background: rgba(79,70,229,0.15);
}
.badge-nuevo {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(16,185,129,0.35);
}
.badge-oferta {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(239,68,68,0.35);
}

/* ── MEJORA 7: Skeleton Loaders ── */
@keyframes shimmer {
    0%   { background-position: -600px 0; }
    100% { background-position: 600px 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--skeleton-base) 25%,
        var(--skeleton-shimmer) 50%,
        var(--skeleton-base) 75%
    );
    background-size: 1200px 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: 8px;
}

/* Card skeleton completa */
.skeleton-card {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(226,232,240,0.7);
    background: #fff;
}
.skeleton-card .sk-img {
    height: var(--card-img-height);
    width: 100%;
    border-radius: 0;
}
.skeleton-card .sk-body {
    padding: 1.1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.skeleton-card .sk-title {
    height: 18px;
    width: 75%;
}
.skeleton-card .sk-desc {
    height: 13px;
    width: 90%;
}
.skeleton-card .sk-desc-2 {
    height: 13px;
    width: 55%;
}
.skeleton-card .sk-btn {
    height: 38px;
    width: 100%;
    border-radius: 10px;
    margin-top: 0.4rem;
}

/* Skeleton tabla admin */
.skeleton-row td {
    padding: 1rem 0.75rem;
}
.sk-line {
    height: 14px;
    border-radius: 6px;
}

/* ── Transición hover genérica ── */
.transition-hover {
    transition: var(--transition-spring);
}
.transition-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover) !important;
    border-color: var(--bs-primary);
}

/* ── Botones Premium ── */
.btn {
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: all 0.25s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--bs-primary), #6366F1);
    border: none;
    box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}
.btn-primary:hover {
    box-shadow: 0 6px 16px rgba(79,70,229,0.4);
    transform: translateY(-1.5px);
    background: linear-gradient(135deg, #4338CA, #4F46E5);
}
.btn-primary:active {
    transform: translateY(0px) scale(0.98);
}

/* ── Iconos Decorativos ── */
.icon-container {
    width: 72px;
    height: 72px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(79,70,229,0.03));
    color: var(--bs-primary);
    margin-bottom: 1.5rem;
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.8), 0 4px 6px rgba(0,0,0,0.03);
}

/* ── List Groups (Categorías Sidebar) ── */
.list-group {
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border: none;
}
.list-group-item {
    border: 1px solid #F1F5F9;
    padding: 1rem 1.25rem;
    color: var(--bs-body-color);
    font-weight: 500;
    transition: all 0.2s;
    background-color: #fff;
}
.list-group-item:hover {
    background-color: var(--bs-light);
    transform: translateX(4px);
    z-index: 10;
}
.list-group-item.active {
    background: linear-gradient(135deg, var(--bs-primary), #6366F1);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 10px rgba(79,70,229,0.3);
}

/* ── Modales Premium ── */
.modal-content {
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 24px;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: var(--shadow-hover);
    overflow: hidden;
}
.modal-header {
    border-bottom: 1px solid #F1F5F9;
    padding: 1.5rem 2rem;
}
.modal-body {
    padding: 2rem;
}
.modal-footer {
    border-top: 1px solid #F1F5F9;
    background-color: #F8FAFC;
    padding: 1.5rem 2rem;
}

/* Animación de entrada del modal */
.modal.fade .modal-dialog {
    transform: translateY(20px) scale(0.98);
    transition: transform 0.35s cubic-bezier(0.25,1,0.33,1), opacity 0.35s ease;
}
.modal.show .modal-dialog {
    transform: translateY(0) scale(1);
}

/* ── Form inputs modernos ── */
.form-control, .form-select {
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid #CBD5E1;
    background-color: #F8FAFC;
    color: var(--bs-body-color);
    transition: all 0.3s ease;
}
.form-control:focus, .form-select:focus {
    background-color: #FFFFFF;
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 4px rgba(79,70,229,0.15);
}

/* ── Mobile ── */
@media (max-width: 768px) {
    .btn, .list-group-item, .nav-link {
        padding-top: 0.9rem;
        padding-bottom: 0.9rem;
    }
    .hero-section {
        padding: 4rem 1rem;
        border-radius: 0 0 1.5rem 1.5rem;
    }
    .modal-content {
        border-radius: 16px 16px 0 0;
        margin-bottom: 0;
        min-height: 50vh;
    }
    .modal-dialog {
        align-items: flex-end;
        margin: 0;
        min-height: 100%;
    }
    .list-group-item:hover {
        transform: none;
    }
    .overflow-auto {
        scrollbar-width: none;
        -ms-overflow-style: none;
        -webkit-overflow-scrolling: touch;
    }
    .overflow-auto::-webkit-scrollbar {
        display: none;
    }
    h1, .display-4 {
        font-size: 2.25rem !important;
    }
    h2, .display-6 {
        font-size: 1.75rem !important;
    }
    /* Cards en mobile: imagen más compacta */
    :root {
        --card-img-height: 180px;
    }
    .card-producto:hover {
        transform: none; /* evitar saltos táctiles */
    }
}