/* The architect suite's side panels (js/arch-panels.js): catalog, inspector, furniture list, level tabs and the field widgets
   they share. Everything is prefixed ar-pn-. Colours come from the app's --rl-* tokens, which app.css redefines for dark, so there is
   no theme switch here; the fallbacks only matter when a panel is shown on a page that does not load app.css. Laid out to stay
   usable down to 240 px: rows wrap rather than overflow, and the furniture list drops its level column when narrow (JS adds
   .is-narrow, because a CSS container query would make the panel's width depend on its parent). */

.ar-pn, .ar-pn-pop {
    --pn-line: var(--rl-border, #dfe2e8);
    --pn-bg: var(--rl-surface, #fff);
    --pn-raised: var(--rl-surface-raised, #f5f6f8);
    --pn-sunk: var(--rl-surface-sunken, #eceef2);
    --pn-text: var(--rl-text, #16181d);
    --pn-muted: var(--rl-text-muted, #5b6472);
    --pn-accent: var(--rl-accent, #2f6df6);
    --pn-accent-ink: var(--rl-accent-contrast, #fff);
    --pn-danger: var(--rl-danger, #b3261e);
    --pn-shadow: 0 10px 34px rgba(15, 23, 42, .28), 0 1px 3px rgba(15, 23, 42, .18);
    color: var(--pn-text);
    font: .8rem/1.3 var(--rl-font, system-ui, sans-serif);
    box-sizing: border-box;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .ar-pn, :root:not([data-theme="light"]) .ar-pn-pop { --pn-shadow: 0 10px 34px rgba(0, 0, 0, .6), 0 1px 3px rgba(0, 0, 0, .5); }
}
:root[data-theme="dark"] .ar-pn, :root[data-theme="dark"] .ar-pn-pop { --pn-shadow: 0 10px 34px rgba(0, 0, 0, .6), 0 1px 3px rgba(0, 0, 0, .5); }

.ar-pn *, .ar-pn-pop * { box-sizing: border-box; }
.ar-pn .pe-ico, .ar-pn-pop .pe-ico { display: inline-flex; flex: none; }
.ar-pn button, .ar-pn input, .ar-pn select, .ar-pn textarea { font: inherit; color: inherit; }
/* The photo editor's .pe shell switches text selection off for dragging; fields must stay selectable. */
.ar-pn input, .ar-pn textarea, .ar-pn-pop input { user-select: text; -webkit-user-select: text; }
.ar-pn :focus-visible, .ar-pn-pop :focus-visible { outline: 2px solid var(--pn-accent); outline-offset: 1px; }
.ar-pn [hidden] { display: none !important; }

/* ---- buttons ---- */
.ar-pn-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .3rem; min-height: 1.7rem; padding: .2rem .65rem;
    border: 1px solid var(--pn-line); background: var(--pn-raised); border-radius: 8px; cursor: pointer; white-space: nowrap;
}
.ar-pn-btn:hover:not(:disabled) { background: var(--pn-sunk); }
.ar-pn-btn:disabled { opacity: .45; cursor: default; }
.ar-pn-btn--sm { min-height: 1.5rem; padding: .12rem .5rem; font-size: .76rem; }
.ar-pn-btn--ico { padding: .2rem; min-width: 1.8rem; }
.ar-pn-btn--primary { background: var(--pn-accent); border-color: var(--pn-accent); color: var(--pn-accent-ink); font-weight: 600; }
.ar-pn-btn--primary:hover:not(:disabled) { background: var(--pn-accent); filter: brightness(1.08); }
.ar-pn-btn--danger { color: var(--pn-danger); }
.ar-pn-btn.is-on, .ar-pn-btn[aria-pressed="true"] { background: color-mix(in srgb, var(--pn-accent) 20%, var(--pn-bg)); border-color: color-mix(in srgb, var(--pn-accent) 60%, transparent); }

.ar-pn-hint { margin: 0; padding: .35rem .6rem; color: var(--pn-muted); font-size: .76rem; line-height: 1.4; }
.ar-pn-hint--err { color: var(--pn-danger); }

/* ---- sections ---- */
.ar-pn-sec { border-bottom: 1px solid var(--pn-line); }
.ar-pn-sec__h, .ar-pn-catcat > summary {
    display: flex; align-items: center; gap: .3rem; padding: .38rem .6rem; cursor: pointer; list-style: none; font-weight: 650; background: var(--pn-raised);
    user-select: none; -webkit-user-select: none;
}
.ar-pn-sec__h::-webkit-details-marker { display: none; }
.ar-pn-sec__h .pe-ico { transition: transform .12s; color: var(--pn-muted); }
details[open] > .ar-pn-sec__h .pe-ico { transform: rotate(90deg); }
.ar-pn-sec__t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ar-pn-sec__body { padding: .35rem .6rem .5rem; display: flex; flex-direction: column; gap: .4rem; }
.ar-pn-sec__body > .ar-pn-hint { padding-left: 0; padding-right: 0; }
.ar-pn-count { color: var(--pn-muted); font-weight: 400; font-size: .72rem; }

/* ---- rows and fields ---- */
.ar-pn-row { display: grid; grid-template-columns: minmax(4.2rem, 38%) minmax(0, 1fr); align-items: center; gap: .15rem .5rem; min-width: 0; }
.ar-pn-row--bare { grid-template-columns: minmax(0, 1fr); }
.ar-pn-row__l { color: var(--pn-muted); font-size: .76rem; line-height: 1.15; overflow-wrap: anywhere; }
.ar-pn-row__c { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem .4rem; min-width: 0; }
.ar-pn-btnrow { display: flex; flex-wrap: wrap; gap: .25rem; }

.ar-pn-in {
    min-width: 0; border: 1px solid var(--pn-line); background: var(--pn-bg); color: var(--pn-text); border-radius: 8px; padding: .18rem .4rem; min-height: 1.6rem;
}
.ar-pn-in:disabled, .ar-pn-sel:disabled { opacity: .5; }
.ar-pn-in.is-bad { border-color: var(--pn-danger); background: color-mix(in srgb, var(--pn-danger) 10%, var(--pn-bg)); }
.ar-pn-in.is-mixed::placeholder { color: var(--pn-text); opacity: .7; }
.ar-pn-num { display: inline-flex; align-items: center; gap: .2rem; flex: 1 1 3.8rem; min-width: 0; max-width: 100%; }
.ar-pn-num .ar-pn-in { flex: 1 1 2.2rem; width: 100%; min-width: 2.2rem; text-align: right; padding-inline: .3rem; }
.ar-pn-num--sm { flex: 0 0 auto; width: 4rem; }
.ar-pn-num.is-off { opacity: .55; }
.ar-pn-prefix { color: var(--pn-muted); font-size: .72rem; }
.ar-pn-suffix { color: var(--pn-muted); font-size: .72rem; white-space: nowrap; }
.ar-pn-readout { color: var(--pn-text); font-variant-numeric: tabular-nums; }
.ar-pn-mixed { color: var(--pn-muted); }

.ar-pn-textwrap { display: flex; flex: 1 1 100%; min-width: 0; }
.ar-pn-text { width: 100%; text-align: left !important; font-family: inherit; }
textarea.ar-pn-text { resize: vertical; min-height: 2.8rem; }
.ar-pn-selwrap { display: inline-flex; flex: 1 1 100%; min-width: 0; }
.ar-pn-sel { width: 100%; min-width: 0; border: 1px solid var(--pn-line); background: var(--pn-bg); color: var(--pn-text); border-radius: 8px; padding: .2rem .3rem; min-height: 1.6rem; }

.ar-pn-chk { display: inline-flex; align-items: center; gap: .35rem; cursor: pointer; white-space: nowrap; min-height: 1.5rem; }
.ar-pn-chk input { accent-color: var(--pn-accent); width: 1rem; height: 1rem; margin: 0; }
.ar-pn-chk.is-off { opacity: .5; }

.ar-pn-slider { display: flex; align-items: center; gap: .4rem; flex: 1 1 100%; min-width: 0; }
.ar-pn-range { flex: 1 1 3rem; min-width: 3rem; accent-color: var(--pn-accent); margin: 0; }
.ar-pn-range.is-mixed { opacity: .5; }
.ar-pn-out { min-width: 2.6rem; text-align: right; font-variant-numeric: tabular-nums; color: var(--pn-muted); }
.ar-pn-slider.is-off { opacity: .55; }

/* colour: swatch + hex + reset */
.ar-pn-color { display: flex; align-items: center; gap: .3rem; flex: 1 1 100%; min-width: 0; }
.ar-pn-swwrap { position: relative; display: inline-flex; flex: none; }
.ar-pn-swatch { width: 1.8rem; height: 1.6rem; padding: 0; border: 1px solid var(--pn-line); border-radius: 5px; background: none; cursor: pointer; }
.ar-pn-swwrap.is-mixed::after {
    content: ""; position: absolute; inset: 1px; border-radius: 4px; pointer-events: none;
    background: repeating-linear-gradient(135deg, var(--pn-bg) 0 4px, var(--pn-sunk) 4px 8px);
}
.ar-pn-hex { width: auto; flex: 1 1 3.2rem; min-width: 2.6rem; max-width: 5.2rem; text-align: left !important; font-family: ui-monospace, Consolas, monospace; font-size: .76rem; }
.ar-pn-reset { flex: none; }

/* texture button */
.ar-pn-texwrap { display: inline-flex; flex: 1 1 100%; min-width: 0; }
.ar-pn-tex { display: flex; align-items: center; gap: .45rem; width: 100%; min-width: 0; padding: .15rem .35rem; border: 1px solid var(--pn-line); border-radius: 8px; background: var(--pn-bg); cursor: pointer; text-align: left; }
.ar-pn-tex:hover { background: var(--pn-raised); }
.ar-pn-tex:disabled { opacity: .5; }
.ar-pn-texthumb {
    flex: none; width: 1.75rem; height: 1.75rem; border-radius: 4px; border: 1px solid var(--pn-line); background-size: cover; background-position: center;
    display: inline-grid; place-items: center; color: var(--pn-muted);
}
.ar-pn-texthumb.is-none { background: repeating-linear-gradient(135deg, var(--pn-bg) 0 4px, var(--pn-sunk) 4px 8px); }
.ar-pn-texname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- popovers ---- */
.ar-pn-pop {
    position: fixed; z-index: 1000; max-width: min(22rem, calc(100vw - 8px)); max-height: min(28rem, calc(100vh - 8px)); overflow: auto;
    background: var(--pn-bg); border: 1px solid var(--pn-line); border-radius: 10px; box-shadow: var(--pn-shadow); outline: none;
}
.ar-pn-texpop { padding: .5rem; display: flex; flex-direction: column; gap: .5rem; width: min(20.5rem, calc(100vw - 24px)); }
.ar-pn-texgrid { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.ar-pn-texnone { color: var(--pn-muted); font-size: .76rem; }
.ar-pn-texcat__h { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--pn-muted); margin: 0 0 3px; }
.ar-pn-tile { width: 2.6rem; height: 2.6rem; padding: 0; border: 2px solid transparent; outline: 1px solid var(--pn-line); border-radius: 6px; cursor: pointer; background-size: cover; background-position: center; display: inline-grid; place-items: center; }
.ar-pn-tile:hover { outline-color: var(--pn-accent); }
.ar-pn-tile.is-on { border-color: var(--pn-accent); }
.ar-pn-tile__none { color: var(--pn-muted); font-size: 1.1rem; }
.ar-pn-menu { display: flex; flex-direction: column; padding: .25rem; min-width: 11rem; }
.ar-pn-menuitem { text-align: left; border: 0; background: transparent; padding: .38rem .6rem; border-radius: 8px; cursor: pointer; }
.ar-pn-menuitem:hover:not(:disabled), .ar-pn-menuitem:focus-visible { background: var(--pn-sunk); }
.ar-pn-menuitem:disabled { opacity: .4; cursor: default; }
.ar-pn-menuitem.is-danger { color: var(--pn-danger); }
.ar-pn-lvpop { padding: .6rem .7rem; display: flex; flex-direction: column; gap: .45rem; width: 17rem; max-width: calc(100vw - 16px); }
.ar-pn-lvpop__h { font-weight: 650; }
.ar-pn-lvpop__f { display: flex; justify-content: flex-end; }
.ar-pn-lvpop .ar-pn-hint { padding: 0; }

/* ---- inspector ---- */
.ar-pn-insp { display: flex; flex-direction: column; min-height: 0; overflow-y: auto; overflow-x: hidden; background: var(--pn-bg); }
.ar-pn-insp__title { display: flex; align-items: baseline; gap: .5rem; padding: .5rem .6rem .35rem; border-bottom: 1px solid var(--pn-line); min-width: 0; }
.ar-pn-insp__name { font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.ar-pn-insp__sub { color: var(--pn-muted); font-size: .74rem; white-space: nowrap; }
.ar-pn-actions { display: flex; gap: .3rem; padding: .35rem .6rem; border-bottom: 1px solid var(--pn-line); }

/* ---- catalog ---- */
.ar-pn-cat { display: flex; flex-direction: column; min-height: 0; height: 100%; background: var(--pn-bg); }
.ar-pn-tabs { display: flex; border-bottom: 1px solid var(--pn-line); background: var(--pn-raised); flex: none; }
.ar-pn-tab { flex: 1; padding: .4rem .5rem; border: 0; background: transparent; cursor: pointer; border-bottom: 2px solid transparent; color: var(--pn-muted); font-weight: 600; }
.ar-pn-tab.is-on { color: var(--pn-text); border-bottom-color: var(--pn-accent); background: var(--pn-bg); }
.ar-pn-pane { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.ar-pn-cat__bar { display: flex; align-items: center; gap: .35rem; padding: .35rem .5rem; border-bottom: 1px solid var(--pn-line); flex: none; color: var(--pn-muted); }
.ar-pn-search { flex: 1; min-width: 0; text-align: left !important; }
.ar-pn-cat__import { padding: .35rem .5rem; border-bottom: 1px solid var(--pn-line); flex: none; }
.ar-pn-cat__list { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; }
.ar-pn-catcat { border-bottom: 1px solid var(--pn-line); }
.ar-pn-cat__rows { display: flex; flex-direction: column; padding: .2rem .3rem .35rem; gap: 1px; }
.ar-pn-ci { display: flex; align-items: center; gap: .55rem; padding: .25rem .35rem; border-radius: 8px; cursor: grab; border: 1px solid transparent; min-width: 0; }
.ar-pn-ci:hover { background: var(--pn-sunk); }
.ar-pn-ci.is-armed { background: color-mix(in srgb, var(--pn-accent) 18%, transparent); border-color: color-mix(in srgb, var(--pn-accent) 55%, transparent); }
.ar-pn-ci__img {
    flex: none; width: 3rem; height: 3rem; border-radius: 8px; border: 1px solid var(--pn-line); background: var(--pn-raised); display: inline-grid; place-items: center;
    color: var(--pn-muted); font-weight: 700; font-size: 1.1rem; overflow: hidden;
}
.ar-pn-ci__img.has-img { background: var(--pn-raised); }
.ar-pn-ci__img img { width: 100%; height: 100%; object-fit: contain; display: block; pointer-events: none; }
.ar-pn-ci__txt { display: flex; flex-direction: column; min-width: 0; gap: 1px; }
.ar-pn-ci__name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ar-pn-ci__size { color: var(--pn-muted); font-size: .72rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- furniture list ---- */
.ar-pn-fl { display: flex; flex-direction: column; min-height: 0; height: 100%; background: var(--pn-bg); }
.ar-pn-fl__scroll { flex: 1; min-height: 8rem; overflow-y: auto; overflow-x: hidden; position: relative; outline: none; }
.ar-pn-fl__scroll:focus-visible { outline: 2px solid var(--pn-accent); outline-offset: -2px; }
.ar-pn-fl__head, .ar-pn-fl__row { display: grid; grid-template-columns: 1.6rem minmax(0, 1fr) minmax(0, 3.8rem) minmax(0, 5.6rem) 1.1rem; align-items: center; gap: .25rem; padding: 0 .4rem 0 .2rem; }
.ar-pn-fl__head { position: sticky; top: 0; z-index: 2; height: 26px; background: var(--pn-raised); border-bottom: 1px solid var(--pn-line); color: var(--pn-muted); font-size: .72rem; }
.ar-pn-fl__th { display: inline-flex; align-items: center; gap: .2rem; border: 0; background: transparent; padding: 0; cursor: pointer; color: inherit; font-weight: 650; max-width: 100%; }
.ar-pn-fl__th:hover, .ar-pn-fl__th.is-on { color: var(--pn-text); }
.ar-pn-fl__arrow { font-size: .6rem; }
.ar-pn-fl__spacer { position: relative; }
.ar-pn-fl__row { position: absolute; left: 0; right: 0; top: 0; height: 26px; cursor: default; border-bottom: 1px solid color-mix(in srgb, var(--pn-line) 55%, transparent); }
.ar-pn-fl__row:hover { background: var(--pn-sunk); }
.ar-pn-fl__row.is-sel { background: color-mix(in srgb, var(--pn-accent) 20%, transparent); }
.ar-pn-fl__row.is-away { color: var(--pn-muted); }
.ar-pn-fl__row.is-hidden .ar-pn-fl__name { text-decoration: line-through; opacity: .6; }
.ar-pn-fl__c { min-width: 0; overflow: hidden; }
.ar-pn-fl__c--eye { display: grid; place-items: center; }
.ar-pn-fl__name, .ar-pn-fl__level, .ar-pn-fl__sizetxt { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ar-pn-fl__sizetxt { font-variant-numeric: tabular-nums; color: var(--pn-muted); font-size: .74rem; }
.ar-pn-fl__eye { border: 0; background: transparent; padding: .15rem; border-radius: 5px; cursor: pointer; display: grid; place-items: center; color: var(--pn-muted); }
.ar-pn-fl__eye:hover { color: var(--pn-text); background: var(--pn-sunk); }
.ar-pn-fl__sw { display: block; width: 1rem; height: 1rem; border-radius: 4px; border: 1px solid var(--pn-line); margin: 0 auto; }
.ar-pn-fl__sw.is-none { background: repeating-linear-gradient(135deg, var(--pn-bg) 0 3px, var(--pn-sunk) 3px 6px); }
.ar-pn-fl__foot { flex: none; padding: .3rem .6rem; border-top: 1px solid var(--pn-line); color: var(--pn-muted); font-size: .74rem; }
.ar-pn-fl.is-narrow .ar-pn-fl__head, .ar-pn-fl.is-narrow .ar-pn-fl__row { grid-template-columns: 1.6rem minmax(0, 1fr) minmax(0, 5.6rem) 1.1rem; }
.ar-pn-fl.is-narrow .ar-pn-fl__c--level { display: none; }

/* ---- level tabs ---- */
.ar-pn-lt { display: flex; align-items: stretch; min-width: 0; background: var(--pn-raised); border-bottom: 1px solid var(--pn-line); }
.ar-pn-lt__strip { display: flex; flex: 1; min-width: 0; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; }
.ar-pn-lt__tabw { display: inline-flex; align-items: stretch; flex: none; border-right: 1px solid var(--pn-line); }
.ar-pn-lt__tabw.is-on { background: var(--pn-bg); box-shadow: inset 0 -2px 0 var(--pn-accent); }
.ar-pn-lt__tab { display: inline-flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 0; padding: .25rem .65rem; border: 0; background: transparent; cursor: pointer; white-space: nowrap; max-width: 11rem; min-height: 2.3rem; line-height: 1.15; }
.ar-pn-lt__tab:hover { background: var(--pn-sunk); }
.ar-pn-lt__tab.is-on { font-weight: 650; background: transparent; }
.ar-pn-lt__tab.is-hidden .ar-pn-lt__name { text-decoration: line-through; opacity: .6; }
.ar-pn-lt__name { overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.ar-pn-lt__elev { color: var(--pn-muted); font-size: .66rem; font-weight: 400; }
.ar-pn-lt__more { border: 0; background: transparent; padding: 0 .3rem; cursor: pointer; color: var(--pn-muted); display: grid; place-items: center; }
.ar-pn-lt__more:hover { color: var(--pn-text); background: var(--pn-sunk); }
.ar-pn-lt__add { flex: none; align-self: center; margin: 0 .3rem; }
.ar-pn-lt__rename { width: 7rem; text-align: left !important; }