/* flesh.lol Studio — desktop editor + Snapseed-style mobile */

.studio {
    --s-bg: #000;
    --s-p1: #060606;
    --s-p2: #0c0c0c;
    --s-p3: #141414;
    --s-line: #1b1b1b;
    --s-line2: #2b2b2b;
    --s-text: #ececec;
    --s-muted: #858585;
    --s-dim: #505050;
    --s-hi: #fff;
    --s-warn: #ffd24d;
    --s-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
    --nav-h: 48px;
    color: var(--s-text);
    -webkit-tap-highlight-color: transparent;
}

main.container:has(> .studio) {
    max-width: none;
    padding: 0;
}

body.studio-active .site-footer { display: none; }
body.studio-active { overflow: hidden; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.studio svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: square; flex: none; }
.studio [hidden] { display: none !important; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Empty state ---------- */
.dz {
    min-height: calc(100dvh - var(--nav-h) - 60px);
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
    cursor: pointer;
    outline: none;
}
.dz-inner {
    width: min(560px, 100%);
    border: 1px solid var(--s-line2);
    background: var(--s-p1);
    padding: 3rem 2rem 2rem;
    text-align: center;
    transition: border-color .15s, background .15s;
}
.dz:hover .dz-inner, .dz:focus-visible .dz-inner, .dz.over .dz-inner { border-color: #8a8a8a; background: #090909; }
.dz.over .dz-inner { border-color: #fff; }
.dz-icon { width: 34px !important; height: 34px !important; stroke-width: 1.2 !important; color: var(--s-muted); }
.dz-title { margin: 1rem 0 .3rem; font-size: 1.6rem; font-weight: 700; letter-spacing: -.01em; text-transform: none; }
.dz-sub { margin: 0; color: var(--s-muted); }
.dz-btn { height: 44px; padding: 0 1.4rem; margin: .6rem 0 .9rem; font-size: .8rem; }
.dz-btn svg { width: 17px; height: 17px; }
.dz-feats { list-style: none; margin: 2rem 0 0; padding: 0; border-top: 1px solid var(--s-line); text-align: left; }
.dz-feats li { padding: .65rem 0; border-bottom: 1px solid var(--s-line); color: var(--s-muted); font-size: .86rem; display: flex; gap: .8rem; }
.dz-feats strong { color: var(--s-text); font-weight: 600; min-width: 11.5rem; }
.dz-local { margin: 1.4rem 0 0; font-size: .78rem; color: var(--s-dim); }

/* ---------- App shell (desktop) ---------- */
.app {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) 316px;
    grid-template-rows: 42px minmax(0, 1fr) 24px;
    grid-template-areas:
        "bar bar bar"
        "rail stage panel"
        "status status panel";
    height: calc(100dvh - var(--nav-h));
    background: var(--s-bg);
    border-top: 1px solid var(--s-line);
    user-select: none;
}

.bar {
    grid-area: bar;
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 0 .5rem;
    background: var(--s-p1);
    border-bottom: 1px solid var(--s-line);
}
.bar-l, .bar-c, .bar-r { display: flex; align-items: center; gap: 2px; }
.bar-l { flex: 1; min-width: 0; gap: .5rem; }
.bar-r { flex: 1; justify-content: flex-end; gap: .4rem; }
.doc { font-family: var(--s-mono); font-size: .75rem; color: var(--s-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sep { width: 1px; height: 18px; background: var(--s-line2); margin: 0 .35rem; }

.ib {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    background: transparent;
    border: 1px solid transparent;
    color: #bdbdbd;
    cursor: pointer;
    padding: 0;
    border-radius: 3px;
}
.ib:hover { color: #fff; background: var(--s-p3); }
.ib.on, .ib:active { color: #000; background: #fff; }
.ib:disabled { opacity: .3; pointer-events: none; }

.zoom-read {
    min-width: 52px;
    height: 26px;
    background: transparent;
    border: 1px solid var(--s-line2);
    color: var(--s-text);
    font: 500 .72rem var(--s-mono);
    cursor: pointer;
    border-radius: 3px;
}
.zoom-read:hover { border-color: #666; }

.size-pill {
    font: .72rem var(--s-mono);
    color: var(--s-muted);
    white-space: nowrap;
    padding-right: .35rem;
}
.size-pill b { color: #fff; font-weight: 500; }
.size-pill .down { color: #9be39b; }
.size-pill .up { color: #ff8a8a; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    height: 30px;
    padding: 0 .8rem;
    font: 600 .74rem/1 inherit;
    font-family: inherit;
    letter-spacing: .04em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 3px;
    transition: background .12s, border-color .12s, color .12s;
    white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn.solid { background: #fff; color: #000; border: 1px solid #fff; }
.btn.solid:hover { background: #d8d8d8; }
.btn.ghost { background: transparent; color: var(--s-text); border: 1px solid var(--s-line2); }
.btn.ghost:hover { border-color: #777; color: #fff; }
.btn.sm { height: 26px; padding: 0 .55rem; font-size: .66rem; }
.btn.grow, .grow { flex: 1; }
.btn.flash { background: #9be39b; border-color: #9be39b; color: #000; }

/* rail */
.rail {
    grid-area: rail;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: .45rem 0;
    background: var(--s-p1);
    border-right: 1px solid var(--s-line);
}
.rail-sep { width: 20px; height: 1px; background: var(--s-line2); margin: .3rem 0; }
.rail-btn {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    background: transparent;
    border: 0;
    color: #9a9a9a;
    cursor: pointer;
    border-radius: 3px;
}
.rail-btn:hover { color: #fff; background: var(--s-p3); }
.rail-btn.on { color: #000; background: #fff; }

/* stage */
.stage {
    grid-area: stage;
    position: relative;
    overflow: auto;
    display: flex;
    background: #000;
    scrollbar-color: #2a2a2a #000;
    scrollbar-width: thin;
}
.stack {
    position: relative;
    margin: auto;
    flex: none;
    background-color: #111;
    background-image:
        linear-gradient(45deg, #1a1a1a 25%, transparent 25%, transparent 75%, #1a1a1a 75%),
        linear-gradient(45deg, #1a1a1a 25%, transparent 25%, transparent 75%, #1a1a1a 75%);
    background-size: 16px 16px;
    background-position: 0 0, 8px 8px;
    box-shadow: 0 0 0 1px #1d1d1d, 0 20px 60px rgba(0, 0, 0, .8);
}
.stack canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stack .orig { visibility: hidden; }
.stack.split .orig { visibility: visible; clip-path: inset(0 calc(100% - var(--split, 50%)) 0 0); }
.stack.hold .orig { visibility: visible; clip-path: none; }
.stack.pixelated canvas { image-rendering: pixelated; }
.ui-layer { touch-action: none; cursor: crosshair; }
.stack[data-tool="move"] .ui-layer { cursor: default; }
.stack[data-tool^="brush"] .ui-layer { cursor: none; }

.split-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--split, 50%);
    width: 24px;
    margin-left: -12px;
    cursor: ew-resize;
    touch-action: none;
    z-index: 3;
}
.split-line::before { content: ""; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px; background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.5); }
.split-line span { position: absolute; top: 50%; left: 2px; width: 20px; height: 20px; margin-top: -10px; background: #fff; border-radius: 50%; }

.hud {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    padding: .35rem .75rem;
    background: rgba(0, 0, 0, .82);
    border: 1px solid #333;
    font: 600 .78rem var(--s-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s;
    z-index: 5;
}
.hud.show { opacity: 1; }
.hud b { color: #fff; margin-left: .5rem; }

.brush-ring {
    position: fixed;
    border: 1px solid #fff;
    box-shadow: 0 0 0 1px rgba(0,0,0,.7);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 30;
}

/* status */
.status {
    grid-area: status;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0 .75rem;
    background: var(--s-p1);
    border-top: 1px solid var(--s-line);
    font: .68rem var(--s-mono);
    color: var(--s-muted);
    white-space: nowrap;
    overflow: hidden;
}
.status .warn { color: var(--s-warn); }

/* panel */
.panel {
    grid-area: panel;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--s-p1);
    border-left: 1px solid var(--s-line);
}
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--s-line); flex: none; }
.tabs button {
    height: 38px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    color: var(--s-muted);
    font: 600 .7rem inherit;
    font-family: inherit;
    letter-spacing: .07em;
    text-transform: uppercase;
    cursor: pointer;
}
.tabs button:hover { color: #fff; }
.tabs button.on { color: #fff; border-bottom-color: #fff; }

.panel-body { flex: 1; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #2a2a2a transparent; }
.pane { padding: .3rem .9rem 1.4rem; }
.pane:not(.on) { display: none; }

.grp {
    margin: 1.15rem 0 .55rem;
    font-size: .64rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--s-dim);
    display: flex;
    align-items: center;
    gap: .6rem;
}
.grp::after { content: ""; flex: 1; height: 1px; background: var(--s-line); }

.ctl { margin: 0 0 .7rem; }
.ctl-head { display: flex; justify-content: space-between; align-items: baseline; font-size: .78rem; color: #bdbdbd; margin-bottom: .2rem; cursor: default; }
.ctl-head output { font: .72rem var(--s-mono); color: var(--s-muted); min-width: 3.5em; text-align: right; }
.ctl.changed .ctl-head span { color: #fff; }
.ctl.changed .ctl-head output { color: #fff; }

/* ranges */
.studio input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 18px;
    margin: 0;
    background: transparent;
    cursor: pointer;
    --a: 0%;
    --b: 0%;
}
.studio input[type="range"]::-webkit-slider-runnable-track {
    height: 2px;
    background: linear-gradient(to right, #262626 var(--a), #e6e6e6 var(--a), #e6e6e6 var(--b), #262626 var(--b));
}
.studio input[type="range"]::-moz-range-track {
    height: 2px;
    background: linear-gradient(to right, #262626 var(--a), #e6e6e6 var(--a), #e6e6e6 var(--b), #262626 var(--b));
}
.studio input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    margin-top: -5px;
    border-radius: 50%;
    background: #fff;
    border: 0;
    box-shadow: 0 0 0 3px #000;
    transition: transform .1s;
}
.studio input[type="range"]::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    border: 0;
    box-shadow: 0 0 0 3px #000;
}
.studio input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.25); }
.studio input[type="range"]:disabled { opacity: .3; cursor: not-allowed; }
.studio input[type="range"]:focus-visible { outline: 1px dashed #666; outline-offset: 2px; }

/* toggles */
.tog-row { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin: .2rem 0 .8rem; }
.tog { display: inline-flex; align-items: center; gap: .45rem; font-size: .78rem; color: #bdbdbd; cursor: pointer; }
.tog input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.tog-box { width: 26px; height: 14px; border: 1px solid #444; border-radius: 8px; position: relative; transition: background .12s, border-color .12s; }
.tog-box::after { content: ""; position: absolute; top: 2px; left: 2px; width: 8px; height: 8px; border-radius: 50%; background: #777; transition: transform .12s, background .12s; }
.tog input:checked + .tog-box { background: #fff; border-color: #fff; }
.tog input:checked + .tog-box::after { background: #000; transform: translateX(12px); }
.tog input:focus-visible + .tog-box { outline: 1px dashed #777; outline-offset: 2px; }
.tog:hover { color: #fff; }

.btn-row { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0 .6rem; }
.note { margin: .2rem 0 .8rem; font-size: .72rem; line-height: 1.45; color: var(--s-dim); }

.seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--s-line2); border-radius: 3px; overflow: hidden; margin-bottom: .8rem; }
.seg button { height: 28px; background: transparent; border: 0; border-right: 1px solid var(--s-line2); color: var(--s-muted); font: 600 .7rem inherit; font-family: inherit; letter-spacing: .06em; cursor: pointer; }
.seg button:last-child { border-right: 0; }
.seg button:hover { color: #fff; }
.seg button.on { background: #fff; color: #000; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-bottom: .6rem; }
.fld { display: flex; flex-direction: column; gap: .25rem; font-size: .7rem; color: var(--s-muted); }
.fld input {
    height: 28px;
    width: 100%;
    background: #000;
    border: 1px solid var(--s-line2);
    color: var(--s-text);
    padding: 0 .5rem;
    font: .76rem var(--s-mono);
    border-radius: 3px;
}
.fld input:focus { outline: none; border-color: #888; }
.fld input[type="color"] { padding: 2px; cursor: pointer; }

.meter { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--s-line); margin-top: .7rem; }
.meter > div { padding: .55rem .65rem; border-bottom: 1px solid var(--s-line); display: flex; flex-direction: column; gap: .15rem; }
.meter > div:nth-child(odd) { border-right: 1px solid var(--s-line); }
.meter > div:nth-last-child(-n+2) { border-bottom: 0; }
.meter .k { font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--s-dim); }
.meter .v { font: 500 .9rem var(--s-mono); color: #fff; }
.meter .v.down { color: #9be39b; }
.meter .v.up { color: #ff8a8a; }

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: .8rem; }
.tool-chip {
    display: flex;
    align-items: center;
    gap: .5rem;
    height: 34px;
    padding: 0 .55rem;
    background: var(--s-p2);
    border: 1px solid var(--s-line);
    color: #bdbdbd;
    font: .74rem inherit;
    font-family: inherit;
    cursor: pointer;
    border-radius: 3px;
    text-align: left;
}
.tool-chip span { flex: 1; }
.tool-chip kbd { font: .62rem var(--s-mono); color: var(--s-dim); }
.tool-chip:hover { border-color: #444; color: #fff; }
.tool-chip.on { background: #fff; color: #000; border-color: #fff; }
.tool-chip.on kbd { color: #555; }

.looks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: .8rem; }
.look {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    padding: 0;
    background: transparent;
    border: 0;
    color: var(--s-muted);
    font: .66rem inherit;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
}
.look canvas { width: 100%; aspect-ratio: 1; object-fit: cover; background: #111; border: 1px solid var(--s-line); display: block; }
.look:hover { color: #fff; }
.look:hover canvas { border-color: #666; }
.look.on { color: #fff; }
.look.on canvas { border-color: #fff; }
.look { position: relative; }
.look span:not(.look-plus):not(.look-del) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.look-plus {
    width: 100%;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border: 1px dashed #3a3a3a;
    color: #9a9a9a;
}
.look-plus svg { width: 26px !important; height: 26px !important; }
.look-add:hover .look-plus { border-color: #fff; color: #fff; }
.look.mine canvas { border-color: #3d3d3d; }
.look.mine > span:not(.look-del) { color: #d8d8d8; }
.look-del {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, .8);
    border: 1px solid #444;
    border-radius: 50%;
    color: #ddd;
}
.look-del svg { width: 11px !important; height: 11px !important; stroke-width: 2.2 !important; }
.look-del:hover { background: #fff; color: #000; }

/* mobile-only elements hidden on desktop */
.m-top, .m-panel, .m-tabs { display: none; }

/* ---------- Mobile: Snapseed ---------- */
@media (max-width: 820px) {
    body.studio-active { overflow: hidden; }
    body.studio-active .site-nav { display: none; }

    .dz { min-height: calc(100dvh - var(--nav-h) - 80px); padding: 1rem; }
    .dz-inner { padding: 2.2rem 1.2rem 1.4rem; }
    .dz-feats li { flex-direction: column; gap: .15rem; }
    .dz-feats strong { min-width: 0; }

    .app {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 50;
        /* visible viewport: mobile browser toolbars must not cover the tab bar */
        height: 100vh;
        height: 100svh;
        height: var(--vvh, 100svh);
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: 52px minmax(0, 1fr) auto 60px;
        grid-template-areas: "top" "stage" "mpanel" "mtabs";
        border: 0;
        padding-bottom: env(safe-area-inset-bottom);
    }
    .bar, .rail, .panel, .status { display: none; }

    .m-top {
        grid-area: top;
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 0 .4rem;
        padding-top: env(safe-area-inset-top);
        background: #000;
    }
    .m-top .ib { width: 40px; height: 40px; color: #d6d6d6; }
    .m-top .ib svg { width: 21px; height: 21px; }
    .m-top .ib.strong { color: #000; background: #fff; border-radius: 50%; width: 38px; height: 38px; margin-left: 4px; }
    .m-size { flex: 1; text-align: center; font: .7rem var(--s-mono); color: var(--s-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .m-size b { color: #fff; font-weight: 500; }

    .stage { padding: 6px; }
    .stack { box-shadow: none; }
    .hud { top: 10px; font-size: .82rem; }

    .m-panel {
        grid-area: mpanel;
        display: flex;
        flex-direction: column;
        gap: 2px;
        background: #000;
        border-top: 1px solid var(--s-line);
        padding: .45rem 0 .35rem;
    }
    .m-panel:empty, .m-panel.closed { display: none; }

    .m-chips {
        display: flex;
        gap: 6px;
        overflow-x: auto;
        padding: 0 .75rem .35rem;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
    }
    .m-chips::-webkit-scrollbar { display: none; }
    .m-chip {
        flex: none;
        height: 32px;
        padding: 0 .8rem;
        background: #0e0e0e;
        border: 1px solid #222;
        color: #bdbdbd;
        font: 500 .76rem inherit;
        font-family: inherit;
        border-radius: 16px;
        white-space: nowrap;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: .35rem;
        scroll-snap-align: start;
    }
    .m-chip svg { width: 15px; height: 15px; }
    .m-chip.on { background: #fff; color: #000; border-color: #fff; }
    .m-chip.tog-on { border-color: #fff; color: #fff; }
    .m-chip.changed::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
    .m-chip.act { border-style: dashed; }
    .m-chip-sep { flex: none; width: 1px; background: #222; margin: 4px 2px; }

    .m-slider { display: flex; align-items: center; gap: .7rem; padding: .2rem .9rem .1rem; }
    .m-slider input[type="range"] { flex: 1; height: 34px; }
    .m-slider input[type="range"]::-webkit-slider-thumb { width: 22px; height: 22px; margin-top: -10px; }
    .m-slider input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; }
    .m-val { min-width: 3.6em; font: 600 .86rem var(--s-mono); color: #fff; }
    .m-reset { background: transparent; border: 0; color: var(--s-muted); font: .7rem inherit; font-family: inherit; text-transform: uppercase; letter-spacing: .08em; padding: .5rem 0; cursor: pointer; }

    .m-looks { display: flex; gap: 8px; overflow-x: auto; padding: .1rem .75rem .3rem; scrollbar-width: none; }
    .m-looks::-webkit-scrollbar { display: none; }
    .m-looks .look { flex: none; width: 74px; font-size: .66rem; text-align: center; }
    .m-looks .look.last-mine { margin-right: 10px; }
    .m-looks .look.last-mine::after { content: ""; position: absolute; right: -9px; top: 8px; bottom: 22px; width: 1px; background: #2a2a2a; }

    .m-export { padding: .2rem .9rem .3rem; }
    .m-export .seg { margin-bottom: .5rem; }
    .m-exp-size { margin: .1rem 0 .1rem; font: .8rem var(--s-mono); color: var(--s-muted); text-align: center; }
    .m-exp-size b { color: #fff; font-weight: 500; }
    .m-export .btn { height: 42px; font-size: .74rem; }

    .m-panel[data-mode="looks"] .m-chips,
    .m-panel[data-mode="looks"] .m-slider,
    .m-panel[data-mode="looks"] .m-export,
    .m-panel[data-mode="export"] .m-chips,
    .m-panel[data-mode="export"] .m-slider,
    .m-panel[data-mode="export"] .m-looks,
    .m-panel:not([data-mode="looks"]) .m-looks,
    .m-panel:not([data-mode="export"]) .m-export { display: none; }
    .m-panel.no-slider .m-slider { display: none; }

    .m-tabs {
        grid-area: mtabs;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        background: #000;
        border-top: 1px solid var(--s-line);
    }
    .m-tabs button {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        background: transparent;
        border: 0;
        color: #6f6f6f;
        font: 600 .6rem inherit;
        font-family: inherit;
        letter-spacing: .08em;
        text-transform: uppercase;
        cursor: pointer;
    }
    .m-tabs button svg { width: 21px; height: 21px; }
    .m-tabs button.on { color: #fff; }

    .brush-ring { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
    .studio * { transition: none !important; }
}