#rk{--ink:#1b1b1a;--ink-2:#6c6a64;--line:#e6e4df;--surface:#fff;--radius:12px;margin-top:10px}
#rk *{box-sizing:border-box}

.rk-colorbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:18px}
.rk-lbl{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-2)}
.rk-sw{width:30px;height:30px;border-radius:50%;border:1px solid rgba(0,0,0,.2);cursor:pointer;padding:0;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.12)}
.rk-sw.on{outline:2px solid var(--ink);outline-offset:2px}
.rk-colorname{font-size:13px;color:var(--ink);font-weight:600;margin-left:4px}

.rk-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:start}
.rk-preview{position:sticky;top:80px}

/* собранная панель из фото-плиток */
.rk-stage{background:radial-gradient(circle at 50% 34%,#f7f6f3,#e9e7e2);border:1px solid var(--line);border-radius:16px;padding:34px 22px;display:grid;place-items:center;min-height:230px;container-type:inline-size;overflow-x:auto}
/* рамка = подложка в цвете отделки, зазоры между постами = молдинг */
.rk-panel{display:flex;align-items:stretch;gap:5px;padding:13px;background:var(--fc,#f3f3f1);border-radius:8px;
  box-shadow:0 12px 26px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.22),inset 0 0 0 1px rgba(0,0,0,.1)}
/* высота плитки подстраивается под ширину стейджа и число постов (--n задаёт JS) */
.rk-post{position:relative;height:clamp(72px,calc((100cqw - 44px - 5px*(var(--n,3) - 1))/var(--n,3)),184px);display:flex;cursor:pointer;border-radius:2px;overflow:hidden}
.rk-post img{height:100%;width:auto;display:block}
.rk-post.empty{aspect-ratio:1;display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.rk-post.empty img{opacity:.5;position:absolute;inset:0;height:100%;width:100%;object-fit:cover;margin:auto}
.rk-post .rk-plus{position:relative;font-size:24px;color:#7a7873;font-weight:300;background:rgba(255,255,255,.82);width:36px;height:36px;border-radius:50%;display:grid;place-items:center}
.rk-post:hover{outline:2px solid var(--ink);outline-offset:2px;z-index:2}

.rk-caption{text-align:center;font-size:12px;color:var(--ink-2);margin:14px 0 4px}
.rk-caption b{color:var(--ink)}

.rk-spec{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}
.rk-line{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:5px 0;border-bottom:1px dashed var(--line)}
.rk-line span{white-space:nowrap;color:var(--ink-2)}
.rk-line.muted,.rk-line.muted span{color:#b0ada4}
.rk-total{display:flex;justify-content:space-between;padding-top:10px;font-size:16px}
.rk-lead{display:none;margin-top:10px;gap:8px;flex-direction:column}
.rk-lead.show{display:flex}
.rk-lead input{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px}
.rk-ok{text-align:center;color:#4a7a52;padding:10px;font-size:14px}
#rk .btn{width:100%;margin-top:10px}

.rk-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:14px}
.rk-h{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;margin-bottom:12px}
.rk-h .n{width:22px;height:22px;border-radius:6px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px}
.rk-seg{display:flex;gap:6px}
.rk-seg button{flex:1;min-height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);cursor:pointer}
.rk-seg button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.rk-seg button:disabled{opacity:.35;cursor:not-allowed}
.rk-slot{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px}
.rk-slot.flash{border-color:var(--ink);box-shadow:0 0 0 2px var(--ink) inset;transition:.2s}
.rk-slot-h{font-size:13px;font-weight:600;margin-bottom:8px}

@media(max-width:860px){.rk-layout{grid-template-columns:minmax(0,1fr)}.rk-preview{position:static}}
@media(max-width:600px){.rk-stage{padding:22px 12px}}