/* ========================================
   FEEDPUBLICO - Mosaico de Landing Page
   Extraido de Index.cshtml para mejor caching
   ======================================== */

/* Reset y base */
.mosaic-page {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    background: #000;
    z-index: 1;
}

/* Mosaico de imagenes */
.mosaic-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    gap: 4px;
    animation: mosaicFloat 20s ease-in-out infinite;
}

@keyframes mosaicFloat {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -51%) scale(1.02); }
}

.mosaic-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 4px;
    background: linear-gradient(110deg, #0d0d0d 0%, #1a1a1a 20%, #2d2d2d 40%, #1a1a1a 60%, #0d0d0d 100%);
    background-size: 300% 100%;
    animation: shimmer 1.2s ease-in-out infinite;
    /* Optimización de rendimiento */
    contain: layout style paint;
}

.mosaic-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: background 0.3s ease;
}

.mosaic-item:hover {
    transform: scale(1.15);
    z-index: 100;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    will-change: transform; /* Solo en hover para optimizar memoria */
}

.mosaic-item:hover::before {
    background: rgba(0, 0, 0, 0);
}

.mosaic-item.media-loaded {
    background: #111;
    animation: none;
}

@keyframes shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* Media dentro de items */
.mosaic-item img,
.mosaic-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, opacity 0.5s ease;
}

.mosaic-item img:not(.loaded),
.mosaic-item video:not(.loaded) {
    opacity: 0;
}

.mosaic-item img.loaded,
.mosaic-item video.loaded {
    opacity: 1;
    animation: fadeInScale 0.3s ease-out forwards;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.mosaic-item:hover img,
.mosaic-item:hover video {
    transform: scale(1.1);
}

/* Placeholders y estados de error */
.video-error-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #252530 0%, #1a1a25 100%);
}

.video-error-placeholder svg {
    width: 40%;
    height: 40%;
    opacity: 0.5;
}

.video-placeholder {
    opacity: 0;
    background: linear-gradient(135deg, #252530 0%, #1a1a25 100%);
}

/* Estado de error en imágenes - siempre visible */
.mosaic-item.has-error {
    background: linear-gradient(135deg, #252530 0%, #1a1a25 100%);
    animation: none;
}

.mosaic-item.has-error img {
    opacity: 1 !important;
}

/* Overlays oscuros */
.mosaic-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

.mosaic-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.9) 20%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0) 100%
    );
}

.mosaic-overlay::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 45%;
    background: linear-gradient(to top,
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 0.95) 25%,
        rgba(0, 0, 0, 0.7) 50%,
        rgba(0, 0, 0, 0) 100%
    );
}

.mosaic-overlay-left,
.mosaic-overlay-right {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 15%;
    pointer-events: none;
    z-index: 10;
}

.mosaic-overlay-left {
    left: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.8), transparent);
}

.mosaic-overlay-right {
    right: 0;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.8), transparent);
}

.mosaic-bottom-fade {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #000 0%, transparent 100%);
    pointer-events: none;
    z-index: 9;
    opacity: 0.8;
}

/* Contenido central (logo y CTA) - SIEMPRE INTERACTIVO */
.mosaic-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000; /* Muy alto para estar siempre encima */
    text-align: center;
    pointer-events: none;
}

.mosaic-logo {
    font-size: 5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -3px;
    margin-bottom: 16px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    from { text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); }
    to { text-shadow: 0 4px 60px rgba(70, 130, 180, 0.3), 0 0 100px rgba(70, 130, 180, 0.1); }
}

.mosaic-tagline {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Botones - SIEMPRE CLICKEABLES */
.mosaic-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    pointer-events: auto !important;
    position: relative;
    z-index: 1001;
}

.mosaic-btn {
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    /* Garantizar clickeabilidad inmediata */
    pointer-events: auto !important;
    cursor: pointer !important;
    position: relative;
    z-index: 1002;
}

.mosaic-btn-primary {
    background: linear-gradient(135deg, #4682B4 0%, #2c5f8a 100%);
    color: #fff;
    box-shadow: 0 8px 30px rgba(70, 130, 180, 0.4);
}

.mosaic-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(70, 130, 180, 0.6);
}

.mosaic-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.mosaic-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.mosaic-btn svg {
    width: 20px;
    height: 20px;
}

.mosaic-btn-info {
    display: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    border: none;
    font-size: 13px;
    padding: 10px 16px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mosaic-btn-info:hover {
    color: #fff;
}

/* Badge de video */
.video-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    padding: 4px 6px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-badge svg {
    width: 12px;
    height: 12px;
    fill: #fff;
}

/* Ocultar navegacion en esta pagina */
.mosaic-page ~ .navbar,
.mosaic-page ~ footer,
.mosaic-page ~ .mobile-nav,
.mosaic-page ~ header,
body.feedpublico-page .navbar,
body.feedpublico-page footer,
body.feedpublico-page .mobile-nav,
body.feedpublico-page header,
body.feedpublico-page .public-header {
    display: none !important;
}

body.feedpublico-page {
    overflow: hidden !important;
    padding-top: 0 !important;
    margin-top: 0 !important;
}

body.feedpublico-page main,
body.feedpublico-page .main-content,
body.feedpublico-page .public-main {
    padding-top: 0 !important;
    margin-top: 0 !important;
    min-height: 100vh !important;
}

/* ========================================
   RESPONSIVE - Tablets
   ======================================== */
@media (max-width: 1024px) {
    .mosaic-logo { font-size: 4rem; }
    .mosaic-tagline { font-size: 1.2rem; }
}

/* ========================================
   RESPONSIVE - Moviles
   ======================================== */
@media (max-width: 768px) {
    .mosaic-logo {
        font-size: 3.5rem;
        letter-spacing: -2px;
    }
    .mosaic-tagline {
        font-size: 0.95rem;
        padding: 0 20px;
        letter-spacing: 1px;
        margin-bottom: 30px;
    }
    .mosaic-buttons {
        flex-direction: column;
        padding: 0 30px;
        gap: 12px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        align-items: center;
    }
    .mosaic-btn {
        padding: 14px 24px;
        font-size: 14px;
        justify-content: center;
        width: 100%;
        text-align: center;
    }
    .mosaic-content {
        width: 90%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .mosaic-btn-info {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        width: 100%;
        justify-content: center;
        margin-top: 8px;
    }
    .mosaic-btn-info i { font-size: 12px; }
    .mosaic-overlay::before { height: 35%; }
    .mosaic-overlay::after { height: 40%; }
    .mosaic-overlay-left,
    .mosaic-overlay-right { width: 10%; }
    .mosaic-item { border-radius: 3px; }
    .video-badge {
        top: 4px;
        right: 4px;
        padding: 2px 4px;
    }
    .video-badge svg {
        width: 10px;
        height: 10px;
    }
}

/* ========================================
   RESPONSIVE - Moviles pequenos
   ======================================== */
@media (max-width: 480px) {
    .mosaic-logo { font-size: 2.8rem; }
    .mosaic-tagline {
        font-size: 0.85rem;
        margin-bottom: 24px;
    }
    .mosaic-buttons {
        padding: 0 24px;
        max-width: 280px;
    }
    .mosaic-btn {
        padding: 12px 20px;
        font-size: 13px;
    }
    .mosaic-btn svg {
        width: 18px;
        height: 18px;
    }
    .mosaic-content {
        width: 95%;
    }
}

/* ========================================
   Soporte tactil (iOS/Android)
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    .mosaic-item:hover {
        transform: none;
        z-index: auto;
        box-shadow: none;
    }
    .mosaic-item:hover::before {
        background: rgba(0, 0, 0, 0.2);
    }
    .mosaic-item:hover img,
    .mosaic-item:hover video {
        transform: none;
    }
    .mosaic-item:active {
        transform: scale(0.95);
        opacity: 0.9;
    }
    .mosaic-btn {
        min-height: 48px;
        -webkit-tap-highlight-color: transparent;
    }
    .mosaic-container {
        animation: none !important;
    }
}

/* ========================================
   iOS Safe Areas
   ======================================== */
@supports (padding-top: env(safe-area-inset-top)) {
    .mosaic-page {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}

/* ========================================
   Landscape en moviles
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .mosaic-logo {
        font-size: 2.2rem;
        margin-bottom: 8px;
    }
    .mosaic-tagline {
        font-size: 0.8rem;
        margin-bottom: 16px;
    }
    .mosaic-buttons {
        flex-direction: row;
        gap: 10px;
    }
    .mosaic-btn {
        padding: 10px 20px;
        font-size: 12px;
    }
}