:root {
    color-scheme: dark;
    --bg: #0a0a0c;
    --bg-elevated: #121218;
    --surface: #1a1a22;
    --border: rgba(255, 255, 255, 0.08);
    --text: #f4f4f7;
    --text-muted: #9b9bab;
    --accent: #7c6cff;
    --accent-soft: rgba(124, 108, 255, 0.15);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    --radius: 14px;
    --header-height: 88px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "DM Sans", system-ui, -apple-system, sans-serif;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 108, 255, 0.12), transparent),
        var(--bg);
    color: var(--text);
    line-height: 1.5;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.9em;
    background: var(--surface);
    padding: 0.15em 0.45em;
    border-radius: 6px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(10, 10, 12, 0.82);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-muted);
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.back-button:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.18);
    background: var(--bg-elevated);
}

.back-button[hidden] {
    display: none;
}

.subtitle {
    margin: 0.15rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.stats {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: right;
}

.gallery-main {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem;
}

.gallery-picker[hidden],
.gallery-view[hidden] {
    display: none !important;
}

.gallery-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.gallery-toolbar[hidden] {
    display: none !important;
}

.download-all-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.download-all-button::before {
    content: "↓";
    font-size: 1rem;
    line-height: 1;
}

.download-all-button:hover:not(:disabled) {
    background: #8f82ff;
    transform: translateY(-1px);
}

.download-all-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.download-all-button[hidden] {
    display: none !important;
}

.download-all-button:disabled {
    cursor: progress;
    opacity: 0.75;
}

.download-all-button .download-all-spinner {
    display: none;
    width: 0.95rem;
    height: 0.95rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.download-all-button.is-loading::before {
    content: none;
}

.download-all-button.is-loading .download-all-spinner {
    display: inline-block;
}

.sort-control {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.45rem 0.45rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-elevated);
}

.sort-label {
    color: var(--text-muted);
    font-size: 0.88rem;
    white-space: nowrap;
}

.sort-control select {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: var(--surface)
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239b9bab' d='M3 4.5 6 8l3-3.5'/%3E%3C/svg%3E")
        no-repeat right 0.75rem center;
    color: var(--text);
    font: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.45rem 2rem 0.45rem 0.85rem;
    cursor: pointer;
}

.sort-control select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.picker-card {
    border: 1px solid var(--border);
    padding: 0;
    border-radius: calc(var(--radius) + 2px);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-elevated);
    text-align: left;
    color: inherit;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.picker-card:hover {
    transform: translateY(-4px);
    border-color: rgba(124, 108, 255, 0.35);
    box-shadow: var(--shadow);
}

.picker-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.picker-cover {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--surface);
    overflow: hidden;
}

.picker-collage {
    display: grid;
    width: 100%;
    height: 100%;
    gap: 2px;
}

.picker-collage--1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.picker-collage--2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.picker-collage--3 {
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.picker-collage--3 .collage-cell:first-child {
    grid-row: 1 / span 2;
}

.picker-collage--4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.collage-cell {
    position: relative;
    overflow: hidden;
    background: var(--surface);
    min-height: 0;
    min-width: 0;
}

.picker-cover .placeholder,
.collage-cell .placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        110deg,
        var(--surface) 8%,
        #252530 18%,
        var(--surface) 33%
    );
    background-size: 200% 100%;
    animation: shimmer 1.4s linear infinite;
}

.picker-cover img,
.collage-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.picker-cover img.loaded,
.collage-cell img.loaded {
    opacity: 1;
}

.picker-meta {
    padding: 1rem 1.1rem 1.15rem;
}

.picker-meta h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.picker-meta p {
    margin: 0.25rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border: none;
    padding: 0;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--surface);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery-item.is-last-viewed {
    box-shadow:
        0 0 0 3px var(--accent),
        0 0 24px rgba(124, 108, 255, 0.45),
        var(--shadow);
    transform: translateY(-2px);
}

.gallery-item.is-last-viewed:hover {
    box-shadow:
        0 0 0 3px #8f82ff,
        0 0 28px rgba(124, 108, 255, 0.55),
        var(--shadow);
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.gallery-item:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.gallery-item img.loaded {
    opacity: 1;
}

.gallery-item-date {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 1.8rem 0.7rem 0.6rem;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.82) 100%);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.25;
    text-align: left;
    pointer-events: none;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

.gallery-item .placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        110deg,
        var(--surface) 8%,
        #252530 18%,
        var(--surface) 33%
    );
    background-size: 200% 100%;
    animation: shimmer 1.4s linear infinite;
}

@keyframes shimmer {
    to {
        background-position-x: -200%;
    }
}

.loader,
.picker-loading,
.empty-state,
.end-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    color: var(--text-muted);
    text-align: center;
}

.loader[hidden],
.picker-loading[hidden],
.picker-grid[hidden],
.empty-state[hidden],
.end-state[hidden],
.lightbox[hidden] {
    display: none !important;
}

.scroll-sentinel {
    width: 100%;
    height: 1px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.empty-icon {
    font-size: 2.5rem;
}

.empty-state h2 {
    margin: 0;
    color: var(--text);
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.lightbox-stage {
    position: relative;
    z-index: 1;
    max-width: min(92vw, 1400px);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.lightbox-image-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(calc(100vw - 7rem), 1400px);
    max-height: calc(90vh - 6rem);
    min-height: 160px;
}

.lightbox-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

.lightbox-loader[hidden] {
    display: none !important;
}

.lightbox-loader .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

.lightbox-image-wrap img {
    max-width: 100%;
    max-height: calc(90vh - 6rem);
    object-fit: contain;
    border-radius: 8px;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.lightbox-image-wrap img.is-loaded {
    opacity: 1;
}

.lightbox-caption {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    text-align: center;
}

.lightbox-download {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.25rem;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: transform 0.2s ease, background 0.2s ease;
}

.lightbox-download:hover {
    background: #8f82ff;
    transform: translateY(-1px);
}

.lightbox-download[hidden] {
    display: none !important;
}

.lightbox-download::before {
    content: "↓";
    font-size: 1rem;
    line-height: 1;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    z-index: 110;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    cursor: pointer;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.75rem;
    line-height: 1;
    display: grid;
    place-items: center;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.16);
}

.lightbox-close {
    top: 1rem;
    right: 1rem;
}

.lightbox-prev {
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.support-widget {
    position: fixed;
    left: auto;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.support-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.1rem;
    border: 1px solid rgba(124, 108, 255, 0.35);
    border-radius: 999px;
    background: rgba(18, 18, 24, 0.92);
    backdrop-filter: blur(12px);
    color: var(--text);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.support-toggle:hover {
    transform: translateY(-2px);
    border-color: rgba(124, 108, 255, 0.6);
    background: rgba(26, 26, 34, 0.96);
}

.support-heart {
    color: #ff6b8a;
}

.support-panel {
    width: min(280px, calc(100vw - 2.5rem));
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(18, 18, 24, 0.96);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
}

.support-panel[hidden] {
    display: none !important;
}

.support-text {
    margin: 0 0 0.85rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.support-links {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.support-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.support-link:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}

.support-revolut {
    background: #0075eb;
    color: #fff;
}

.support-paypal {
    background: #ffc439;
    color: #111;
}

@media (max-width: 640px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.65rem;
    }

    .gallery-main {
        padding: 1rem;
    }

    .picker-grid {
        grid-template-columns: 1fr;
    }

    .support-widget {
        right: 0.85rem;
        bottom: 0.85rem;
    }

    .lightbox {
        padding: 0.75rem;
    }

    .lightbox-image-wrap {
        width: calc(100vw - 6rem);
        min-height: 120px;
    }

    .lightbox-close,
    .lightbox-nav {
        width: 44px;
        height: 44px;
        background: rgba(0, 0, 0, 0.55);
        backdrop-filter: blur(8px);
    }

    .lightbox-prev {
        left: 0.5rem;
    }

    .lightbox-next {
        right: 0.5rem;
    }

    .lightbox-close {
        top: 0.5rem;
        right: 0.5rem;
    }

    .gallery-toolbar {
        justify-content: stretch;
    }

    .sort-control {
        width: 100%;
        justify-content: space-between;
    }
}