/* ========================================
   ROOT VARIABLES
======================================== */

:root {
    --snapshare-bg: #0f172a;
    --snapshare-card: #111827;
    --snapshare-card-light: #1f2937;
    --snapshare-border: rgba(255,255,255,.08);
    --snapshare-text: #ffffff;
    --snapshare-muted: rgba(255,255,255,.65);
    --snapshare-primary: #8b5cf6;
    --snapshare-primary-dark: #4338ca;
    --snapshare-radius: 28px;
    --transition: all .35s cubic-bezier(.16,1,.3,1);
}

/* BASE */

body {
    background: linear-gradient(180deg, #0f172a, #111827);
    color: var(--snapshare-text);
    font-family: 'Inter', sans-serif;
}

/* CONTAINER */

.snapshare-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* CARD */

.snapshare-card {
    background: linear-gradient(
        145deg,
        rgba(255,255,255,.04),
        rgba(255,255,255,.02)
    );
    border: 1px solid var(--snapshare-border);
    border-radius: var(--snapshare-radius);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

/* TYPOGRAPHY */

.snapshare-title {
    font-size: 58px;
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -.03em;
}

.snapshare-muted {
    color: var(--snapshare-muted);
    line-height: 1.7;
}

.snapshare-hero-text {
    max-width: 720px;
    font-size: 18px;
}

/* BADGE */

.snapshare-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(139,92,246,.15);
    color: #c4b5fd;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

/* BUTTONS */

.snapshare-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 18px;
    border: none;
    background: linear-gradient(
        135deg,
        var(--snapshare-primary),
        var(--snapshare-primary-dark)
    );
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.snapshare-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(139,92,246,.35);
}

.snapshare-button-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 28px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.03);
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

/* FLEX HELPERS */

.snapshare-flex {
    display: flex;
    align-items: center;
}

.snapshare-space-between {
    justify-content: space-between;
}

.snapshare-gap {
    gap: 16px;
}

/* GALLERY PAGE */

.snapshare-gallery-page {
    min-height: 100vh;
    padding: 80px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.snapshare-gallery-page > .snapshare-container {
    position: relative;
    z-index: 2;
}

/* GALLERY PAGE ALIGNMENT */

#snapshare-gallery.snapshare-gallery-page {
    width: 100vw;
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: 80px 24px;
    box-sizing: border-box;
}

#snapshare-gallery .snapshare-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

#snapshare-gallery .snapshare-card {
    width: 100%;
    box-sizing: border-box;
}

#snapshare-gallery-grid {
    width: 100%;
}

/* BACKGROUND STYLE OPTIONS */

.snapshare-bg-gradient {
    background:
        radial-gradient(circle at top left, rgba(139,92,246,.18), transparent 35%),
        linear-gradient(180deg, #0f172a, #111827);
}

.snapshare-bg-solid {
    background: #0f172a;
}

.snapshare-bg-glass {
    background:
        radial-gradient(circle at top, rgba(255,255,255,.08), transparent 35%),
        rgba(15,23,42,.82);
    backdrop-filter: blur(18px);
}

/* GALLERY LAYOUTS */

.snapshare-gallery-grid,
.layout-masonry {
    column-count: 4;
    column-gap: 24px;
    width: 100%;
}

.layout-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    column-count: unset !important;
}

.layout-grid .snapshare-gallery-item {
    margin-bottom: 0;
}

.layout-slideshow {
    display: flex !important;
    overflow-x: auto;
    gap: 24px;
    scroll-snap-type: x mandatory;
    column-count: unset !important;
    padding-bottom: 20px;
}

.layout-slideshow .snapshare-gallery-item {
    min-width: 420px;
    flex: none;
    scroll-snap-align: center;
}

/* GALLERY ITEM */

.snapshare-gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    cursor: pointer;
    background: #111827;
    margin-bottom: 24px;
    break-inside: avoid;
    transform: translateY(0);
    transition: all .5s cubic-bezier(.16,1,.3,1);
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
    animation: snapshareItemIn .6s cubic-bezier(.16,1,.3,1);
}

.snapshare-gallery-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0,0,0,.45);
}

.snapshare-gallery-item img,
.snapshare-gallery-item video {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .8s cubic-bezier(.16,1,.3,1);
}

.snapshare-gallery-item:hover img,
.snapshare-gallery-item:hover video {
    transform: scale(1.08);
}

/* GALLERY OVERLAY */

.snapshare-gallery-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px;
    background: linear-gradient(
        transparent,
        rgba(0,0,0,.9)
    );
    opacity: 0;
    transition: var(--transition);
}

.snapshare-gallery-item:hover .snapshare-gallery-overlay {
    opacity: 1;
}

/* LIVE BADGE */

.snapshare-live-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 5;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(239,68,68,.9);
    color: white;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    backdrop-filter: blur(10px);
}

/* FLOATING UPLOAD BUTTON */

.snapshare-floating-upload {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 99999;
    padding: 16px 22px;
    border-radius: 999px;
    background: var(--snapshare-accent, #8b5cf6);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
    transition: var(--transition);
}

.snapshare-floating-upload:hover {
    transform: translateY(-4px);
    box-shadow: 0 28px 70px rgba(0,0,0,.45);
    color: #fff;
}

/* UPLOAD WRAPPER */

.snapshare-upload-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

/* UPLOAD CARD */

.snapshare-upload-card {
    width: 100%;
    max-width: 760px;
    padding: 48px;
    border-radius: 32px;
    background: linear-gradient(
        145deg,
        rgba(17,24,39,.96),
        rgba(31,41,55,.92)
    );
    border: 1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 80px rgba(0,0,0,.35);
    position: relative;
    overflow: hidden;
}

#snapshare-gallery .snapshare-upload-card {
    max-width: 760px;
    margin: 0 auto;
}

/* UPLOAD ICON */

.snapshare-upload-icon {
    width: 72px;
    height: 72px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #8b5cf6, #4338ca);
    font-size: 32px;
    margin-bottom: 24px;
}

/* DROP ZONE */

.snapshare-upload-zone {
    display: block;
    margin-top: 32px;
    border-radius: 24px;
    border: 2px dashed rgba(255,255,255,.15);
    background: rgba(255,255,255,.03);
    padding: 64px 32px;
    cursor: pointer;
    transition: var(--transition);
}

.snapshare-upload-zone:hover {
    border-color: #8b5cf6;
    background: rgba(139,92,246,.08);
    transform: translateY(-4px);
}

/* UPLOAD CONTENT */

.snapshare-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 12px;
}

.snapshare-upload-cloud {
    font-size: 54px;
}

.snapshare-upload-button {
    width: 100%;
    margin-top: 24px;
}

#snapshare-upload-status {
    margin-top: 24px;
    font-weight: 600;
}

/* LIVE TOAST */

.snapshare-live-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: linear-gradient(135deg, #8b5cf6, #4338ca);
    color: white;
    padding: 18px 22px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
    transform: translateY(120px);
    opacity: 0;
    transition: all .5s cubic-bezier(.16,1,.3,1);
    z-index: 999999;
}

.snapshare-live-toast.active {
    transform: translateY(0);
    opacity: 1;
}

/* LIGHTBOX */

#snapshare-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.92);
    display: none;
    z-index: 999999;
    backdrop-filter: blur(12px);
}

#snapshare-lightbox-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#snapshare-lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 42px;
    color: white;
    cursor: pointer;
}

/* ANIMATION */

@keyframes snapshareItemIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* MOBILE GALLERY */

@media (max-width: 1200px) {
    .snapshare-gallery-grid,
    .layout-masonry {
        column-count: 3;
    }
}

@media (max-width: 768px) {

    #snapshare-gallery.snapshare-gallery-page {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 32px 14px;
        background-attachment: scroll !important;
    }

    #snapshare-gallery .snapshare-container {
        max-width: 100%;
        padding: 0;
    }

    #snapshare-gallery .snapshare-card {
        padding: 24px !important;
        border-radius: 22px !important;
    }

    #snapshare-gallery .snapshare-title,
    .snapshare-title {
        font-size: 34px !important;
        line-height: 1.1;
    }

    #snapshare-gallery .snapshare-flex,
    .snapshare-flex {
        flex-direction: column;
        align-items: stretch;
    }

    #snapshare-gallery .snapshare-button,
    #snapshare-gallery .snapshare-button-outline {
        width: 100%;
        justify-content: center;
    }

    #snapshare-gallery .snapshare-upload-card {
        max-width: 100%;
        padding: 24px !important;
    }

    #snapshare-gallery .snapshare-upload-zone {
        padding: 36px 18px;
    }

    #snapshare-gallery-grid,
    #snapshare-gallery-grid.layout-grid,
    #snapshare-gallery-grid.layout-masonry {
        display: grid !important;
        grid-template-columns: 1fr !important;
        column-count: unset !important;
        gap: 18px;
    }

    #snapshare-gallery .snapshare-gallery-item {
        width: 100%;
        margin-bottom: 18px;
        border-radius: 22px;
    }

    #snapshare-gallery .snapshare-gallery-item img,
    #snapshare-gallery .snapshare-gallery-item video {
        width: 100%;
        height: auto;
        max-height: 420px;
        object-fit: cover;
    }

    .layout-slideshow .snapshare-gallery-item {
        min-width: 85vw;
    }

    .snapshare-floating-upload {
        left: 16px;
        right: 16px;
        bottom: 16px;
        text-align: center;
    }

    #snapshare-lightbox-content {
        padding: 20px !important;
    }

    #snapshare-lightbox-content img,
    #snapshare-lightbox-content video {
        max-width: 94vw !important;
        max-height: 82vh !important;
    }

    #snapshare-lightbox-close {
        width: 46px !important;
        height: 46px !important;
        font-size: 26px !important;
    }
}

@media (max-width: 540px) {
    .snapshare-gallery-grid,
    .layout-masonry {
        column-count: 1;
    }
}

@media (max-width: 480px) {

    #snapshare-gallery.snapshare-gallery-page {
        padding: 24px 10px;
    }

    #snapshare-gallery .snapshare-title,
    .snapshare-title {
        font-size: 28px !important;
    }

    #snapshare-gallery .snapshare-card {
        padding: 20px !important;
    }

    #snapshare-gallery .snapshare-upload-zone {
        padding: 28px 14px;
    }
}

/* MOBILE DASHBOARD */

@media (max-width: 768px) {

    .snapshare-dashboard {
        max-width: 100% !important;
        padding: 24px 14px !important;
        box-sizing: border-box;
    }

    .snapshare-dashboard .snapshare-card {
        padding: 24px !important;
        border-radius: 22px !important;
        margin-bottom: 22px !important;
    }

    .snapshare-dashboard .snapshare-title {
        font-size: 34px !important;
        line-height: 1.1;
    }

    .snapshare-dashboard h2 {
        font-size: 24px;
    }

    .snapshare-dashboard h3 {
        font-size: 20px;
    }

    .snapshare-dashboard input,
    .snapshare-dashboard select,
    .snapshare-dashboard textarea,
    .snapshare-dashboard button {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }

    .snapshare-dashboard img {
        max-width: 100%;
        height: auto;
    }

    .snapshare-dashboard [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .snapshare-dashboard .snapshare-flex {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {

    .snapshare-dashboard {
        padding: 18px 10px !important;
    }

    .snapshare-dashboard .snapshare-card {
        padding: 20px !important;
        border-radius: 18px !important;
    }

    .snapshare-dashboard .snapshare-title {
        font-size: 28px !important;
    }
}