/* ==========================================================================
   Menuventas — High-Performance Adaptive Skeleton Loaders
   (Landing Web, Panel Administrativo & Menú Digital)
   GPU-composited shimmer animations, zero CLS, adaptive dark/light tokens.
   ========================================================================== */

:root {
    --sk-bg: #0A090A;
    --sk-surface: #141013;
    --sk-surface-elevated: #1B151A;
    --sk-bone: rgba(255, 255, 255, 0.065);
    --sk-shimmer: rgba(255, 255, 255, 0.15);
    --sk-border: rgba(212, 175, 55, 0.14);
    --sk-accent: #D4AF37;
    --sk-accent-glow: rgba(212, 175, 55, 0.22);
}

/* Light Mode Overrides for Skeletons */
.theme-light,
[data-theme-type="light"] {
    --sk-bg: #F8F9FA;
    --sk-surface: #FFFFFF;
    --sk-surface-elevated: #F1F3F5;
    --sk-bone: rgba(0, 0, 0, 0.06);
    --sk-shimmer: rgba(0, 0, 0, 0.12);
    --sk-border: rgba(0, 0, 0, 0.08);
    --sk-accent: #2563EB;
    --sk-accent-glow: rgba(37, 99, 235, 0.18);
}

/* Base Shimmer Keyframe (105deg Angled Light Beam) */
@keyframes menuventas-shimmer-pass {
    0% {
        transform: translateX(-120%);
    }
    60% {
        transform: translateX(120%);
    }
    100% {
        transform: translateX(120%);
    }
}

@keyframes menuventas-bone-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.88;
    }
}

/* Skeleton Root Overlay */
.menuventas-skeleton-overlay,
.menuvi-skeleton-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    background-color: var(--sk-bg);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transition: opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.32s ease;
}

.menuventas-skeleton-overlay.m-sk-fade,
.menuvi-skeleton-overlay.m-sk-fade {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* Primitive Bone Element */
.m-sk-bone {
    position: relative;
    overflow: hidden;
    background-color: var(--sk-bone);
    border-radius: 8px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
    animation: menuventas-bone-pulse 2.2s ease-in-out infinite alternate;
}

.m-sk-bone::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    transform: translateX(-120%);
    background: linear-gradient(
        105deg, 
        transparent 0%, 
        transparent 25%, 
        var(--sk-shimmer) 50%, 
        transparent 75%, 
        transparent 100%
    );
    animation: menuventas-shimmer-pass 1.9s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    pointer-events: none;
}

.m-sk-circle {
    border-radius: 50% !important;
}

.m-sk-pill {
    border-radius: 9999px !important;
}

.m-sk-accent-bone {
    background-color: var(--sk-accent-glow) !important;
    border: 1px solid var(--sk-accent) !important;
}

/* ==========================================================================
   1. LANDING PAGE SKELETON (Web Principal)
   ========================================================================== */
.m-sk-landing-wrap {
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px 20px 60px;
}

.m-sk-landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 9999px;
    margin-bottom: 44px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.m-sk-landing-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.m-sk-landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

@media (max-width: 860px) {
    .m-sk-landing-nav-links {
        display: none;
    }
}

.m-sk-landing-hero {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    align-items: center;
    margin-bottom: 56px;
}

@media (max-width: 960px) {
    .m-sk-landing-hero {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.m-sk-landing-hero-left {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.m-sk-landing-badge-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.m-sk-landing-trust-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 10px;
    flex-wrap: wrap;
}

/* Phone Mockup Frame */
.m-sk-landing-phone-mockup {
    width: 320px;
    max-width: 100%;
    height: 560px;
    background: var(--sk-surface);
    border: 2px solid var(--sk-border);
    border-radius: 40px;
    padding: 14px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 24px var(--sk-accent-glow);
    position: relative;
}

.m-sk-phone-notch {
    width: 90px;
    height: 18px;
    background: #000;
    border-radius: 9999px;
    margin: 0 auto 6px;
}

.m-sk-landing-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 52px;
}

@media (max-width: 720px) {
    .m-sk-landing-stats {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

.m-sk-landing-stat-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 18px;
    padding: 24px 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.m-sk-landing-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 860px) {
    .m-sk-landing-features {
        grid-template-columns: 1fr;
    }
}

.m-sk-landing-feature-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 20px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ==========================================================================
   2. ADMIN PANEL SKELETON (Dashboard & Gestión)
   ========================================================================== */
.m-sk-admin-layout {
    display: flex;
    min-height: 100vh;
}

.m-sk-admin-sidebar {
    width: 260px;
    background: var(--sk-surface);
    border-right: 1px solid var(--sk-border);
    padding: 22px 18px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

@media (max-width: 991px) {
    .m-sk-admin-sidebar {
        display: none;
    }
}

.m-sk-admin-nav-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.m-sk-admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding-bottom: 70px;
}

.m-sk-admin-header {
    height: 70px;
    background: var(--sk-surface);
    border-bottom: 1px solid var(--sk-border);
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 640px) {
    .m-sk-admin-header {
        padding: 0 16px;
    }
}

.m-sk-admin-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (max-width: 640px) {
    .m-sk-admin-content {
        padding: 18px 14px;
        gap: 18px;
    }
}

.m-sk-admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

@media (max-width: 1100px) {
    .m-sk-admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 580px) {
    .m-sk-admin-stats-grid {
        grid-template-columns: 1fr;
    }
}

.m-sk-admin-stat-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 14px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.m-sk-admin-panel-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.m-sk-admin-table-row {
    display: grid;
    grid-template-columns: 44px 1fr 140px 100px 80px;
    gap: 14px;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--sk-border);
}

@media (max-width: 768px) {
    .m-sk-admin-table-row {
        grid-template-columns: 44px 1fr 90px;
    }
    .m-sk-admin-table-row > div:nth-child(4),
    .m-sk-admin-table-row > div:nth-child(5) {
        display: none;
    }
}

/* Mobile Admin Nav Skeleton */
.m-sk-admin-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--sk-surface);
    border-top: 1px solid var(--sk-border);
    padding: 8px 16px;
    z-index: 10000;
    justify-content: space-around;
    align-items: center;
}

@media (max-width: 991px) {
    .m-sk-admin-mobile-nav {
        display: flex;
    }
}

/* ==========================================================================
   3. PUBLIC DIGITAL MENU SKELETON (Menú del Comensal)
   ========================================================================== */
.m-sk-menu-container {
    max-width: 740px;
    margin: 0 auto;
    min-height: 100vh;
    background-color: var(--sk-bg);
    padding-bottom: 100px;
}

.m-sk-menu-hero {
    height: 190px;
    width: 100%;
    border-radius: 0 0 28px 28px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

.m-sk-menu-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -50px;
    padding: 0 20px;
    gap: 10px;
    text-align: center;
}

.m-sk-menu-logo {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 4px solid var(--sk-bg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.m-sk-menu-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.m-sk-menu-search-bar {
    margin: 18px 16px 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 9999px;
}

.m-sk-menu-categories {
    display: flex;
    gap: 10px;
    padding: 12px 16px 18px;
    overflow-x: hidden;
}

.m-sk-menu-promo-banner {
    margin: 0 16px 20px;
    height: 110px;
    border-radius: 18px;
}

.m-sk-menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 0 16px;
}

@media (max-width: 540px) {
    .m-sk-menu-grid {
        grid-template-columns: 1fr;
    }
}

.m-sk-menu-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.m-sk-menu-card-img {
    width: 100%;
    height: 160px;
    border-radius: 18px 18px 0 0;
}

.m-sk-menu-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Horizontal Card Skeleton Variant */
.m-sk-menu-card-horizontal {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 18px;
    overflow: hidden;
    padding: 14px;
    gap: 16px;
    align-items: center;
}

.m-sk-menu-card-h-img {
    width: 110px;
    height: 100px;
    border-radius: 14px;
    flex-shrink: 0;
}

.m-sk-menu-card-h-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Floating Bottom Cart Bar */
.m-sk-menu-floating-cart {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 520px;
    height: 56px;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: 9999px;
    padding: 8px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 16px var(--sk-accent-glow);
    z-index: 1000;
}