:root {
    color-scheme: dark;
    accent-color: #69d6c6;
    color: #edf2f7;
    background: #0b0d10;
    --color-page: #0b0d10;
    --color-panel: rgb(18 22 28 / 88%);
    --color-panel-strong: #171c23;
    --color-border: rgb(255 255 255 / 12%);
    --color-border-strong: rgb(255 255 255 / 20%);
    --color-text: #edf2f7;
    --color-muted: #a8b3bf;
    --color-accent: #69d6c6;
    --color-accent-strong: #8ee8d9;
    --color-amber: #f4ca64;
    --color-rose: #f27d78;
    --shadow-panel: 0 22px 60px rgb(0 0 0 / 34%);
    --shadow-control: 0 12px 28px rgb(0 0 0 / 24%);
    --radius-card: 8px;
    --radius-control: 6px;
    --surface-blur: blur(18px);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

* {
    box-sizing: border-box;
}

html {
    scrollbar-color: #39424d #0d1014;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background:
        linear-gradient(125deg, rgb(105 214 198 / 10%), transparent 28rem),
        linear-gradient(245deg, rgb(182 162 255 / 9%), transparent 32rem),
        linear-gradient(180deg, #15191f 0%, var(--color-page) 52%),
        var(--color-page);
}

body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
        linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgb(0 0 0 / 70%), transparent 72%);
    pointer-events: none;
    content: "";
}

::selection {
    color: #07100f;
    background: var(--color-accent-strong);
}

button,
input,
select {
    font: inherit;
}

button,
a,
input,
select {
    transition:
        border-color 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease,
        color 160ms ease,
        transform 160ms ease;
}

button {
    appearance: none;
}

.google-tag-manager-frame {
    display: none;
    visibility: hidden;
}

.site-header {
    position: relative;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    width: min(1600px, 100%);
    margin: 0 auto;
    padding: 36px 24px 22px;
}

.site-title {
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    min-width: 0;
}

.header-artwork {
    flex: 1 1 760px;
    align-self: stretch;
    height: 216px;
    min-width: 360px;
    overflow: hidden;
    border-radius: var(--radius-card);
    opacity: 0.92;
    mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 100%);
    pointer-events: none;
}

.header-artwork img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--color-accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    letter-spacing: 0;
}

h1 {
    max-width: 11ch;
    color: #ffffff;
    font-size: 3.9rem;
    line-height: 0.95;
}

h2 {
    color: #ffffff;
    font-size: 2.35rem;
    line-height: 1.08;
}

.site-stats {
    position: absolute;
    right: 24px;
    bottom: 22px;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: end;
    gap: 8px;
    color: #d8e0e8;
    font-size: 0.92rem;
}

.site-stats span,
.metadata-pill {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    padding: 6px 10px;
    background:
        linear-gradient(180deg, rgb(255 255 255 / 7%), rgb(255 255 255 / 3%)),
        rgb(255 255 255 / 4%);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 7%);
}

.site-stats span {
    border-color: rgb(255 255 255 / 28%);
    color: #ffffff;
    background:
        linear-gradient(180deg, rgb(255 255 255 / 12%), rgb(255 255 255 / 5%)),
        rgb(7 10 13 / 88%);
    box-shadow:
        0 14px 32px rgb(0 0 0 / 40%),
        inset 0 1px 0 rgb(255 255 255 / 12%);
    backdrop-filter: blur(14px);
}

.app-shell {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 18px;
    width: min(1600px, 100%);
    margin: 0 auto;
    padding: 0 24px 32px;
}

.sidebar,
.preview-panel {
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background:
        linear-gradient(180deg, rgb(255 255 255 / 6%), rgb(255 255 255 / 2%)),
        var(--color-panel);
    box-shadow: var(--shadow-panel);
    backdrop-filter: var(--surface-blur);
}

.sidebar {
    position: sticky;
    top: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: calc(100vh - 116px);
    min-height: 620px;
    padding: 16px;
}

.control-group {
    display: grid;
    gap: 7px;
}

label {
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

input,
select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    padding: 0 12px;
    color: var(--color-text);
    background: #0d1014;
    outline: none;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
}

input[type="checkbox"] {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin: 0;
    min-height: 0;
}

.color-tool {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
}

.color-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px;
}

.color-wheel-button {
    display: grid;
    place-items: center;
    min-height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: #0d1014;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
    cursor: pointer;
}

.color-wheel-button:hover {
    border-color: rgb(105 214 198 / 40%);
    background: #111720;
}

#color_preview {
    width: 22px;
    height: 22px;
    border: 1px solid rgb(255 255 255 / 32%);
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow:
        0 0 0 2px rgb(0 0 0 / 22%),
        0 8px 16px rgb(0 0 0 / 28%);
}

.color-popover {
    position: absolute;
    z-index: 10;
    top: 0;
    right: 0;
    display: grid;
    gap: 12px;
    width: min(100%, 278px);
    border: 1px solid rgb(255 255 255 / 20%);
    border-radius: var(--radius-card);
    padding: 14px;
    background:
        linear-gradient(180deg, rgb(255 255 255 / 8%), rgb(255 255 255 / 3%)),
        rgb(9 12 16 / 96%);
    box-shadow: 0 22px 48px rgb(0 0 0 / 46%);
    backdrop-filter: blur(18px);
}

.color-popover[hidden] {
    display: none;
}

.color-wheel {
    position: relative;
    isolation: isolate;
    width: 184px;
    height: 184px;
    justify-self: center;
    border-radius: 50%;
    overflow: hidden;
    background: conic-gradient(
        from 90deg,
        #ff3b3b,
        #ffb638,
        #d8ff3b,
        #38ff77,
        #38ffe1,
        #386bff,
        #b238ff,
        #ff38b6,
        #ff3b3b
    );
    box-shadow:
        0 0 0 1px rgb(255 255 255 / 18%),
        inset 0 0 28px rgb(0 0 0 / 38%),
        0 16px 32px rgb(0 0 0 / 28%);
    cursor: crosshair;
}

.color-wheel::before,
.color-wheel::after {
    position: absolute;
    border-radius: inherit;
    pointer-events: none;
    content: "";
}

.color-wheel::before {
    inset: 2px;
    border-radius: inherit;
    background: radial-gradient(
        circle,
        #ffffff 0%,
        rgb(255 255 255 / 92%) 7%,
        rgb(255 255 255 / 0%) 70%
    );
}

.color-wheel::after {
    inset: 0;
    background: rgb(0 0 0 / var(--wheel-shade, 0));
}

.color-wheel-marker {
    position: absolute;
    left: var(--marker-left, 50%);
    top: var(--marker-top, 50%);
    z-index: 1;
    width: 14px;
    height: 14px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    background: var(--selected-color, var(--color-accent));
    box-shadow:
        0 0 0 2px rgb(0 0 0 / 72%),
        0 6px 14px rgb(0 0 0 / 38%);
    transform: translate(-50%, -50%);
}

.color-rgb {
    min-height: 28px;
    border: 1px solid rgb(255 255 255 / 12%);
    border-radius: var(--radius-control);
    padding: 4px 8px;
    color: #dce6ee;
    background: rgb(0 0 0 / 24%);
    font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
    font-size: 0.82rem;
    text-align: center;
}

.lightness-control {
    display: grid;
    gap: 7px;
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.lightness-control input {
    min-height: 28px;
    padding: 0;
}

.color-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    padding: 0 10px;
    color: var(--color-text);
    font-size: 0.83rem;
    font-weight: 700;
    text-transform: none;
    background: #0d1014;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
.theme-option:focus-visible {
    border-color: var(--color-amber);
    box-shadow:
        0 0 0 3px rgb(244 202 100 / 22%),
        inset 0 1px 0 rgb(255 255 255 / 8%);
    outline: none;
}

.theme-list {
    display: grid;
    align-content: start;
    gap: 8px;
    min-height: 0;
    overflow: auto;
    padding-right: 6px;
    scrollbar-color: #414b57 transparent;
}

.theme-option {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    width: 100%;
    min-height: 62px;
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 7px;
    padding: 9px;
    color: #e2eaf1;
    text-align: left;
    background:
        linear-gradient(180deg, rgb(255 255 255 / 5%), transparent),
        var(--color-panel-strong);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
    cursor: pointer;
}

.theme-option:hover {
    border-color: rgb(105 214 198 / 36%);
    background-color: #1a2028;
    transform: translateY(-1px);
}

.theme-option[aria-pressed="true"] {
    border-color: rgb(105 214 198 / 78%);
    background:
        linear-gradient(90deg, rgb(105 214 198 / 14%), transparent 62%), #1b2329;
    box-shadow:
        inset 3px 0 0 var(--color-accent),
        inset 0 1px 0 rgb(255 255 255 / 7%);
}

.swatch {
    width: 34px;
    height: 44px;
    border: 1px solid var(--color-border-strong);
    border-radius: 5px;
    box-shadow:
        inset 0 0 0 1px rgb(0 0 0 / 24%),
        0 8px 16px rgb(0 0 0 / 22%);
}

.theme-option strong,
.theme-option span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.theme-option > span {
    display: grid;
    align-content: center;
    gap: 2px;
    min-width: 0;
}

.theme-option > span > span {
    display: block;
}

.theme-option strong {
    color: #ffffff;
    font-size: 0.95rem;
    line-height: 1.25;
}

.theme-option span {
    color: var(--color-muted);
    font-size: 0.8rem;
}

.preview-panel {
    display: grid;
    gap: 16px;
    min-height: calc(100vh - 116px);
    padding: 20px;
}

.preview-toolbar {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 18px;
}

.preview-toolbar a {
    border: 1px solid rgb(255 255 255 / 18%);
    border-radius: var(--radius-control);
    padding: 10px 13px;
    color: #09110f;
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: none;
    background:
        linear-gradient(180deg, #ffe08a, var(--color-amber)), var(--color-amber);
    box-shadow: var(--shadow-control);
}

.preview-toolbar a:hover {
    color: #050808;
    background: linear-gradient(180deg, #fff0b3, #ffd56f), var(--color-amber);
    transform: translateY(-1px);
}

.metadata-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.metadata-pill {
    color: #d5dee7;
    font-size: 0.86rem;
}

.metadata-pill:nth-child(1) {
    border-color: rgb(105 214 198 / 28%);
    color: var(--color-accent-strong);
}

.metadata-pill:nth-child(3) {
    border-color: rgb(182 162 255 / 26%);
    color: #d4caff;
}

.metadata-pill:nth-child(4) {
    border-color: rgb(244 202 100 / 28%);
    color: #ffe09a;
}

.terminal-frame {
    overflow: hidden;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-card);
    background: #050608;
    box-shadow:
        0 22px 44px rgb(0 0 0 / 34%),
        inset 0 1px 0 rgb(255 255 255 / 8%);
}

.terminal-chrome {
    display: flex;
    gap: 7px;
    align-items: center;
    height: 36px;
    padding: 0 13px;
    border-bottom: 1px solid rgb(255 255 255 / 10%);
    background:
        linear-gradient(180deg, rgb(255 255 255 / 11%), rgb(255 255 255 / 6%)),
        rgb(255 255 255 / 8%);
}

.terminal-chrome span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-chrome span:nth-child(1) {
    background: var(--color-rose);
}

.terminal-chrome span:nth-child(2) {
    background: var(--color-amber);
}

.terminal-chrome span:nth-child(3) {
    background: var(--color-accent);
}

.code-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: rgb(255 255 255 / 11%);
}

.code-sample {
    min-width: 0;
    min-height: 330px;
    padding: 18px;
}

.sample-title {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    color: inherit;
    font-family:
        "Cascadia Code", "Fira Code", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 700;
    opacity: 0.82;
}

.sample-title span:last-child {
    color: var(--color-accent-strong);
}

pre {
    overflow: auto;
    min-height: 260px;
    margin: 0;
    font-family:
        "Cascadia Code", "Fira Code", Consolas, "Liberation Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.58;
    white-space: pre;
    scrollbar-color: #46515f transparent;
}

.token.bold {
    font-weight: 700;
}

.token.italic {
    font-style: italic;
}

.token.underline {
    text-decoration: underline;
}

@media (prefers-reduced-motion: no-preference) {
    .preview-panel,
    .sidebar,
    .theme-option {
        animation: surface-in 280ms ease both;
    }
}

@keyframes surface-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

@media (max-width: 980px) {
    .site-header {
        align-items: start;
        flex-direction: column;
    }

    .header-artwork {
        display: none;
    }

    .site-stats {
        justify-content: start;
        position: static;
    }

    h1 {
        max-width: 14ch;
        font-size: 2.75rem;
    }

    h2 {
        font-size: 1.9rem;
    }

    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        height: auto;
        min-height: 0;
    }

    .theme-list {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        max-height: 360px;
    }

    .preview-panel {
        min-height: auto;
    }
}

@media (max-width: 740px) {
    .site-header,
    .app-shell {
        padding-right: 14px;
        padding-left: 14px;
    }

    .site-header {
        padding-top: 24px;
    }

    h1 {
        font-size: 2.1rem;
    }

    h2 {
        font-size: 1.55rem;
    }

    .preview-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .preview-toolbar a {
        text-align: center;
    }

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