:root {
    --header: #68747a;
    --page: #eceef0;
    --surface: #ffffff;
    --surface-soft: #f4f7f7;
    --ink: #1f292b;
    --muted: #657176;
    --line: #d8dedf;
    --accent: #19766f;
    --kobon-bg: #d9f0ed;
    --kobon-ink: #175d58;
    --arnold-bg: #f5e8bd;
    --arnold-ink: #72560d;
    --shadow: 0 22px 65px rgba(25, 37, 40, 0.24), 0 3px 12px rgba(25, 37, 40, 0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--page);
}

body {
    display: flex;
    flex-direction: column;
    color: var(--ink);
}

header {
    height: 60px;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
    z-index: 100;
    align-items: center;
    justify-content: space-between;

    position: sticky;
    top: 0;
    min-height: 56px;
    padding: 5px 16px;
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(500px, 720px) minmax(180px, 1fr);
    gap: 20px;
    background: var(--header);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12), 0 4px 14px rgba(26, 37, 40, 0.14);
}

footer {
    background-color: var(--header);
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    flex-shrink: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.brand-mark {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 9px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    background: rgba(255,255,255,0.1);
}

.brand-copy {
    display: grid;
    line-height: 1.1;
}

.brand-copy strong {
    font-size: 14px;
    display: block;
}

.brand-copy small {
    margin-top: 2px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    display: block;
}

.gallery-wrapper {
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    flex: 1;
    scroll-behavior: smooth;
}

.gallery-container {
    overflow: visible;
    padding: 15px;

    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;

    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    aspect-ratio: 1 / 1;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
    z-index: 1;
    border: 0;
    padding: 0;
}

.gallery-item:hover {
    transform: scale(1.03);
    z-index: 10;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item svg {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 8px;
    shape-rendering: geometricPrecision;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
    pointer-events: none;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item:hover svg {
    transform: scale(1.05);
}

.item-index {
    position: absolute;
    right: 9px;
    top: 9px;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    color: white;
    background: rgba(31, 45, 47, 0.68);
    font-size: 10px;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 150ms ease, transform 150ms ease;
    font-weight: bold;
}

.gallery-item:hover .item-index,
.gallery-item:focus-visible .item-index {
    opacity: 1;
    transform: translateY(0);
}

.lightbox {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.lightbox.show {
    opacity: 1;
    visibility: visible;
}

.lightbox svg.arrangement {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}

@keyframes zoomIn {
    from {transform:scale(0.8)}
    to {transform:scale(1)}
}

.header-actions {
    position: absolute;
    top: 20px;
    right: 35px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.icon {
    font-size: 30px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: center;
}

.icon:hover,
.icon:focus {
    color: #bbb;
    text-decoration: none;
}

.icon svg {
    width: 1em;
    mix-blend-mode: difference;
}

.info-panel {
    position: fixed;
    top: 80px;
    right: 35px;
    width: 320px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    z-index: 1002;

    border: 1px solid rgba(255, 255, 255, 0.4);

    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);

    box-shadow:
            0 2px 4px rgba(40, 0, 10, 0.08),
            0 8px 16px rgba(40, 0, 10, 0.16),
            0 16px 32px rgba(40, 0, 10, 0.20),
            0 24px 48px rgba(40, 0, 10, 0.10);
}

.github-link {
    text-align: right;
}

@media (max-width: 1040px) {
    header {
        grid-template-columns: auto minmax(460px, 1fr);
    }

    .github-link {
        display: none;
    }
}

@media (max-width: 760px) {
    header {
        min-height: 56px;
        padding: 5px 8px;
        grid-template-columns: 1fr;
    }

    .brand {
        display: none;
    }

    .series-control {
        min-height: 44px;
        gap: 8px;
    }

    .series-control input {
        width: 100%;
        font-size: 13px;
    }

    .series-dropdown {
        width: 100%;
        max-height: calc(100dvh - 56px);
        padding: 8px;
        border-radius: 0 0 13px 13px;
    }

    .series-option {
        min-height: 54px;
    }

    .gallery-shell {
        padding: 8px 10px 18px;
    }

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

@media (max-width: 430px) {
    .series-control input {
        font-size: 12px;
    }

    .series-control .chevron {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 480px) {
    .info-panel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 50vh;
        border-radius: 16px 16px 0 0;
    }
}

select {
    background-color: #fff;
    border: 1px solid #ccc;
    height: 2.25em;
    border-radius: 4px;
    box-shadow: inset 0 1px 3px #ddd;
    box-sizing: border-box;
    padding: .5em .6em;
    vertical-align: middle;
    text-transform: none;
    font-size: 100%;
    line-height: 1.15;
    min-width: 7em;
}

#selectors {
    padding: 10px;
    width: 100%;
}

.center-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

button,
input {
    font: inherit;
}

.combobox-wrap {
    position: relative;
    min-width: 0;
    width: 100%; /* Занимает всю доступную ширину в сетке хедера */
}

.series-control {
    min-height: 44px;
    padding: 0 13px;
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid rgba(255, 255, 255, 0.48);
    border-radius: 14px;
    color: var(--ink);
    background: white;
    box-shadow: 0 2px 8px rgba(22, 31, 34, 0.16);
    cursor: text;
    transition: box-shadow 150ms ease, border-color 150ms ease;
    width: 100%;
}

.series-control.open {
    border-color: #8bd0ca;
    border-bottom-color: transparent;
    border-radius: 14px 14px 0 0;
    box-shadow: 0 0 0 2px rgba(93, 194, 185, 0.2), 0 4px 12px rgba(22, 31, 34, 0.16);
}

.series-control:focus-within {
    border-color: #8bd0ca;
    box-shadow: 0 0 0 2px rgba(93, 194, 185, 0.2), 0 4px 12px rgba(22, 31, 34, 0.16);
}

.search-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    color: #758286;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-div {
    position: relative;
    width: 100%;
    height: 40px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 620;
    color: #182426;
    overflow: hidden;
}

.sr-back {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding-left: 12px;
    padding-right: 12px;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
}

.sr-back-hidden {
    color: transparent;
    white-space: pre;
}

.sr-back-visible {
    color: #9ca3af;
    white-space: pre;
}

.sr-div input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding-left: 12px;
    padding-right: 12px;
    border: 0;
    outline: 0;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 620;
    white-space: nowrap;
    color: #182426;
}

.sr-div input:focus-visible {
    outline: 0;
}

.series-control input::selection {
    color: #123c39;
    background: #bfe7e3;
}

.chevron {
    width: 18px;
    height: 18px;
    color: #687579;
    transition: transform 160ms ease;
    flex: 0 0 auto;
}

.series-control.open .chevron {
    transform: rotate(180deg);
}

.series-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    width: 100%;
    max-height: calc(100dvh - 56px);
    padding: 10px;
    overflow: auto;
    border: 1px solid #8bd0ca;
    border-top: 0;
    border-radius: 0 0 14px 14px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.985);
    box-shadow: var(--shadow);
}

.dropdown-heading {
    margin-bottom: 7px;
    padding: 0 2px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
}

.dropdown-heading strong {
    font-size: 13px;
}

.dropdown-heading span {
    color: var(--muted);
    font-size: 11px;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 6px;
}

.series-option {
    min-height: 56px;
    padding: 7px 9px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 7px;
    row-gap: 1px;
    border: 1px solid var(--line);
    border-radius: 9px;
    color: var(--ink);
    background: white;
    text-align: left;
    cursor: pointer;
    transition: background 0.1s, border-color 0.1s;
}

.series-option:hover,
.series-option.active {
    border-color: #78aaa6;
    background: #f2f9f8;
}

.series-option.selected {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.option-code {
    grid-column: 1;
    grid-row: 1;
    align-self: center;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.015em;
}

.option-detail {
    grid-column: 1 / -1;
    grid-row: 2;
    align-self: start;
    color: var(--muted);
    overflow: hidden;
    font-size: 9px;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.option-badges {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    flex-direction: row;
    justify-content: flex-end;
    gap: 3px;
}

.mini-badge {
    min-height: 18px;
    padding: 2px 5px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 8px;
    font-weight: 750;
    letter-spacing: 0.025em;
    line-height: 1;
    white-space: nowrap;
}

.mini-badge.kobon {
    color: var(--kobon-ink);
    background: var(--kobon-bg);
}

.mini-badge.arnold {
    color: var(--arnold-ink);
    background: var(--arnold-bg);
}

.empty-state {
    margin: 0;
    padding: 22px 14px;
    border: 1px dashed #cbd3d4;
    border-radius: 12px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.dropdown-hint {
    margin: 7px 0 0;
    padding: 6px 9px;
    border-radius: 8px;
    color: #596568;
    background: var(--surface-soft);
    font-size: 10px;
    line-height: 1.4;
}

.dropdown-hint kbd {
    padding: 1px 5px;
    border: 1px solid #cbd3d4;
    border-bottom-width: 2px;
    border-radius: 4px;
    color: #334043;
    background: white;
    font: inherit;
    font-weight: 700;
}

.info-properties {
    margin: 0;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
}

.property-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.property-row:last-child {
    border-bottom: none;
}

.property-row dt {
    font-weight: bold;
    color: #555;
    margin: 0;
    padding-right: 10px;
}

.property-row dd {
    margin: 0;
    color: var(--ink);
    text-align: right;
    font-family: monospace;
}

.property-row.generators {
    flex-direction: column;
    align-items: flex-start;
}

.property-row.generators dd {
    text-align: left;
    font-family: sans-serif;
    font-size: 12px;
    line-height: 1.4;
}

button, input {
    font: inherit;
}

button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(42, 165, 155, 0.45);
    outline-offset: 2px;
}

[hidden] {
    display: none !important;
}

.github-link {
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.github-link img {
    height: 24px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: opacity 0.2s;
}
.github-link:hover img {
    opacity: 1;
}

/* --- MEDIA QUERIES --- */
@media (max-width: 1040px) {
    header {
        grid-template-columns: auto minmax(460px, 1fr);
    }

    .github-link {
        display: none;
    }
}

@media (max-width: 760px) {
    header {
        min-height: 56px;
        padding: 5px 8px;
        grid-template-columns: 1fr;
    }

    .brand {
        display: none;
    }

    .series-control {
        min-height: 44px;
        gap: 8px;
    }

    .series-control input {
        width: 100%;
        font-size: 13px;
    }

    .series-dropdown {
        width: 100%;
        max-height: calc(100dvh - 56px);
        padding: 8px;
        border-radius: 0 0 13px 13px;
    }

    .series-option {
        min-height: 54px;
    }

    .gallery-container {
        padding: 8px;
        grid-template-columns: 1fr; /* Одна колонка на мобильных */
    }

    .info-panel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 40vh;
        border-radius: 16px 16px 0 0;
    }
}

@media (max-width: 430px) {
    .series-control input {
        font-size: 12px;
    }

    .series-control .chevron {
        display: none;
    }

    .header-actions {
        top: 10px;
        right: 10px;
        gap: 10px;
    }

    .icon {
        width: 32px;
        height: 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

polygon.int.b {
    fill: #eaa2a0;
}

polygon.ext.b {
    fill: #eeeeee;
}

polygon.w {
    fill: #effefc;
}


polygon.s3.int.b {
    fill: #3d635f;
}

polygon.s3.int.w {
    fill: #6e312f;
}

polygon.s3.ext.b {
    fill: #cccccc;
}

polygon.s3.ext.w {
    fill: #dddddd;
}


polygon.s4.int.b {
    fill: #888844;
}

polygon.s4.ext.b {
    fill: #eeeecc;
}

polygon.s4.w {
    fill: #ffffdd;
}