/* ============================================
   GALLERIA MODERNA - Mobile First Design
   ============================================ */

:root {
    --gallery-primary: #b89b72;
    --gallery-primary-dark: #9a7d56;
    --gallery-dark: #231d18;
    --gallery-warm-gray: #6b5e53;
    --gallery-cream: #faf6f0;
    --gallery-radius: 20px;
    --gallery-radius-lg: 28px;
    --gallery-shadow-sm: 0 2px 8px rgba(35, 29, 24, 0.06);
    --gallery-shadow-md: 0 8px 30px rgba(35, 29, 24, 0.1);
    --gallery-shadow-lg: 0 20px 60px rgba(35, 29, 24, 0.15);
    --gallery-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   UPLOAD SECTION
   ============================================ */

.gallery-upload-section {
    overflow: visible;
}

.gallery-uploader {
    margin-top: 2rem;
    background: var(--gallery-cream);
    border: 1px solid rgba(184, 155, 114, 0.15);
    border-radius: var(--gallery-radius-lg);
    padding: 1.25rem;
    box-shadow: var(--gallery-shadow-md);
}

.gallery-dropzone {
    border: 2px dashed rgba(184, 155, 114, 0.35);
    border-radius: var(--gallery-radius);
    padding: 2rem 1.25rem;
    text-align: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(184, 155, 114, 0.1), transparent 50%),
        linear-gradient(135deg, rgba(255,255,255,0.6), rgba(250,246,240,0.8));
    transition: transform var(--gallery-transition),
                border-color var(--gallery-transition),
                background var(--gallery-transition);
}

.gallery-dropzone.dragover {
    transform: scale(1.02);
    border-color: var(--gallery-primary);
    background: rgba(255, 249, 239, 0.98);
}

.upload-icon {
    width: 68px;
    height: 68px;
    display: grid;
    place-items: center;
    margin: 0 auto 1rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(184, 155, 114, 0.2), rgba(184, 155, 114, 0.1));
    font-size: 2.2rem;
    box-shadow: var(--gallery-shadow-sm);
}

.dropzone-title {
    margin: 0;
    font-family: "Cormorant Garamond", serif;
    font-size: clamp(1.6rem, 7vw, 2.2rem);
    line-height: 1.1;
    font-weight: 700;
    color: var(--gallery-dark);
}

.dropzone-text,
.hint {
    max-width: 520px;
    margin: 0.75rem auto 0;
    color: var(--gallery-warm-gray);
    line-height: 1.6;
    font-size: 0.92rem;
}

.hint {
    font-size: 0.84rem;
    opacity: 0.7;
}

/* Bottoni upload */
.gallery-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin: 1.5rem auto 0;
    max-width: 480px;
}

.gallery-btn {
    position: relative;
    overflow: hidden;
    border: 0;
    border-radius: 50px;
    padding: 1rem 1.5rem;
    min-height: 52px;
    cursor: pointer;
    font-family: "Inter", sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    background: linear-gradient(135deg, var(--gallery-primary), var(--gallery-primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(184, 155, 114, 0.3);
    transition: transform var(--gallery-transition),
                box-shadow var(--gallery-transition);
}

.gallery-btn.secondary {
    background: linear-gradient(135deg, var(--gallery-dark), #3a2e24);
    box-shadow: 0 4px 15px rgba(35, 29, 24, 0.25);
}

.gallery-btn:active {
    transform: scale(0.97);
}

.gallery-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 155, 114, 0.4);
}

.gallery-btn.secondary:hover {
    box-shadow: 0 6px 20px rgba(35, 29, 24, 0.35);
}

#fileInput,
#cameraInput {
    display: none;
}

/* Upload queue */
.upload-queue {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.upload-item {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(184, 155, 114, 0.12);
    animation: slideInUpload 0.35s ease;
}

@keyframes slideInUpload {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-preview {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(184, 155, 114, 0.08);
    display: grid;
    place-items: center;
}

.upload-preview img,
.upload-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.upload-meta {
    min-width: 0;
}

.upload-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.88rem;
}

.upload-status {
    margin-top: 0.2rem;
    font-size: 0.82rem;
    color: var(--gallery-warm-gray);
}

.progress {
    height: 6px;
    margin-top: 0.5rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(184, 155, 114, 0.15);
}

.progress span {
    display: block;
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--gallery-primary), var(--gallery-primary-dark));
    transition: width 0.2s ease;
}

/* ============================================
   GALLERIA TITLE
   ============================================ */

.section-gallery-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin: 2rem 0 1.25rem;
}

.section-gallery-title h2 {
    margin: 0;
    font-family: "Cormorant Garamond", serif;
    font-size: clamp(1.7rem, 7vw, 2.4rem);
    font-weight: 700;
    color: var(--gallery-dark);
}

.section-gallery-title span {
    white-space: nowrap;
    color: var(--gallery-warm-gray);
    font-size: 0.88rem;
    opacity: 0.7;
}

/* ============================================
   BENTO GRID LAYOUT
   ============================================ */

.gallery-grid-dynamic {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 520px) {
    .gallery-grid-dynamic {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.85rem;
    }
}

@media (min-width: 860px) {
    .gallery-grid-dynamic {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (min-width: 1200px) {
    .gallery-grid-dynamic {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.1rem;
    }
}

/* Bento grid: alcune card occupano più spazio */
.media-card:nth-child(6n + 1) {
    grid-column: span 2;
}

.media-card:nth-child(6n + 4) {
    grid-row: span 2;
}

@media (max-width: 519px) {
    .media-card:nth-child(6n + 1) {
        grid-column: span 1;
    }
    .media-card:nth-child(6n + 4) {
        grid-row: span 1;
    }
}

/* ============================================
   MEDIA CARDS
   ============================================ */

.media-card {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    border-radius: var(--gallery-radius);
    background: linear-gradient(135deg, rgba(184,155,114,0.08), rgba(184,155,114,0.03));
    box-shadow: var(--gallery-shadow-md);
    cursor: pointer;
    transition: transform var(--gallery-transition),
                box-shadow var(--gallery-transition);
    isolation: isolate;
    animation: cardFadeIn 0.5s ease both;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.media-card:hover {
    transform: translateY(-4px) scale(1.015);
    box-shadow: var(--gallery-shadow-lg);
}

.media-card:active {
    transform: scale(0.985);
}

.media-card > img,
.media-card > video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.media-card:hover > img,
.media-card:hover > video {
    transform: scale(1.06);
}

/* Overlay gradient in basso */
.media-card::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 55%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--gallery-transition);
}

.media-card:hover::after {
    opacity: 1;
}

/* Data in basso a sinistra */
.stamp {
    position: absolute;
    left: 0.85rem;
    bottom: 0.85rem;
    z-index: 3;
    color: #fff;
    font-weight: 600;
    font-size: 0.82rem;
    padding: 0.45rem 0.75rem;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--gallery-transition), transform var(--gallery-transition);
}

.media-card:hover .stamp {
    opacity: 1;
    transform: translateY(0);
}

/* Badge video */
.type-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 3;
    color: #fff;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.5px;
    padding: 0.38rem 0.6rem;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Placeholder durante il caricamento */
.media-card img:not([src]) {
    min-height: 220px;
}

.media-card video {
    aspect-ratio: 4 / 5;
    object-fit: cover;
    pointer-events: none;
}

/* ============================================
   STATI
   ============================================ */

.loading-state,
.end-message {
    margin-top: 1.25rem;
    padding: 1.25rem;
    text-align: center;
    border-radius: var(--gallery-radius);
    background: var(--gallery-cream);
    color: var(--gallery-warm-gray);
    font-size: 0.92rem;
    box-shadow: var(--gallery-shadow-sm);
    animation: cardFadeIn 0.4s ease;
}

.end-message {
    background: rgba(184, 155, 114, 0.08);
}

.sentinel {
    height: 1px;
}

/* ============================================
   VIEWER FULLSCREEN - STILE INSTAGRAM/TIKTOK
   ============================================ */

.gallery-viewer {
    position: fixed;
    inset: 0;
    display: none;
    flex-direction: column;
    background: #000;
    z-index: 9999;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    touch-action: pan-x pan-y;
}

.gallery-viewer.open {
    display: flex !important;
}

/* Header del viewer */
.viewer-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 3vw, 1.25rem);
    background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-viewer.show-ui .viewer-header,
.gallery-viewer:hover .viewer-header {
    opacity: 1;
}

.viewer-counter {
    color: #fff;
    font-family: "Inter", sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.4rem 0.75rem;
    border-radius: 50px;
}

.viewer-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

/* Pulsante chiudi - pill style */
.viewer-close {
    position: static;
    border: 0;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
    line-height: 1;
    color: #fff;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
    pointer-events: auto;
}

.viewer-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.viewer-close:active {
    transform: scale(0.9);
}

/* Fullscreen body */
.viewer-body {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

.viewer-slides {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.viewer-slide {
    position: absolute;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.viewer-slide img {
    display: block;
    max-width: 100vw;
    max-height: 100vh;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-drag: none;
}

.viewer-slide video {
    max-width: 100vw;
    max-height: 100vh;
    width: auto;
    height: auto;
    object-fit: contain;
    background: #000;
}

/* Navigazione frecce */
.viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 200;
    border: 0;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    font-size: 1.8rem;
    line-height: 1;
    color: #fff;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s ease, transform 0.2s ease, opacity 0.3s ease;
    pointer-events: auto;
    opacity: 0;
}

.gallery-viewer.show-ui .viewer-nav,
.gallery-viewer:hover .viewer-nav {
    opacity: 1;
}

.viewer-nav:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-50%) scale(1.08);
}

.viewer-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.viewer-prev {
    left: 0.6rem;
}

.viewer-next {
    right: 0.6rem;
}

/* Thumb strip in basso */
.viewer-thumbs {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    gap: 3px;
    padding: 0.5rem 0.5rem 0.6rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
    transition: opacity 0.3s ease;
    pointer-events: auto;
}

.viewer-thumbs::-webkit-scrollbar {
    display: none;
}

.gallery-viewer.show-ui .viewer-thumbs,
.gallery-viewer:hover .viewer-thumbs {
    opacity: 1;
}

.viewer-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    scroll-snap-align: center;
    opacity: 0.5;
}

.viewer-thumb.active {
    border-color: #fff;
    opacity: 1;
    transform: scale(1.1);
}

.viewer-thumb:hover {
    opacity: 0.85;
}

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

.viewer-thumb .thumb-type {
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
}

/* ============================================
   TOAST
   ============================================ */

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    max-width: calc(100vw - 2rem);
    padding: 0.7rem 1.25rem;
    border-radius: 50px;
    background: var(--gallery-dark);
    color: #fff;
    font-weight: 600;
    font-size: 0.88rem;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10001;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   ANTI-CONFLITTO
   ============================================ */

.gallery-upload-section img {
    max-width: 100%;
}

.gallery-upload-section .gallery-grid,
.gallery-upload-section .gallery-item,
.gallery-upload-section .gallery-item-large {
    all: unset;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 519px) {
    .gallery-uploader {
        padding: 1rem;
        border-radius: var(--gallery-radius);
    }

    .gallery-dropzone {
        padding: 1.5rem 1rem;
    }

    .upload-item {
        grid-template-columns: 56px 1fr;
    }

    .upload-preview {
        width: 56px;
        height: 56px;
    }

    .viewer-thumb {
        width: 52px;
        height: 52px;
    }

    .section-gallery-title {
        margin: 1.75rem 0 1rem;
    }

    .media-card:nth-child(6n + 4) {
        grid-row: span 1;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .media-card:nth-child(6n + 1) {
        grid-column: span 1;
    }
}

/* ============================================
   ACCESSIBILITÀ - RIDOTTO MOVIMENTO
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .media-card {
        animation: none;
    }

    .media-card,
    .media-card > img,
    .media-card > video,
    .media-card::after,
    .stamp {
        transition-duration: 0.01ms !important;
    }

    .viewer-slides {
        transition: none !important;
    }
}