/* ============================================================
   HERO — two-panel generator, above the fold
   ============================================================ */
.hero{padding-block:var(--space-3) var(--space-4)}
.hero-head{max-width:60ch}
.hero-title{font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.15;margin-top:var(--space-1)}
.hero-title .accent{color:var(--ok)}
.hero-lead{color:var(--text-dim);font-size:var(--fs-sm);margin-top:var(--space-2);line-height:1.6}

.panels{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--space-2);
        margin-top:var(--space-3);align-items:start}
@media(max-width:940px){.panels{grid-template-columns:1fr}.panel-out{order:0;position:static;top:auto}}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.panel-out{position:sticky;top:72px}

/* numbered steps */
.step{border-bottom:1px solid var(--border)}
.step:last-child{border-bottom:none}
.step-h{display:flex;align-items:center;gap:0.6rem;padding:0.7rem var(--space-3);
        background:var(--bg);border-bottom:1px solid var(--border)}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;
        border-radius:2px;background:var(--ok-dim);color:var(--ok);font-size:0.7rem;font-weight:700;flex:0 0 auto}
.step-t{font-size:var(--fs-xs);letter-spacing:var(--track-wide);text-transform:uppercase;color:var(--text-dim)}
.step-b{padding:var(--space-3)}

/* type grid */
.types{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0.4rem;margin:0}
@media(max-width:620px){.types{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:420px){.types{grid-template-columns:repeat(2,minmax(0,1fr))}}
.type-b{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.35rem;
        font:inherit;font-size:var(--fs-xs);letter-spacing:0.04em;text-transform:none;
        background:var(--bg);color:var(--text-faint);border:1px solid var(--border);border-radius:var(--radius);
        padding:0.6rem 0.3rem;cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}@media (hover:hover){ .type-b:hover {color:var(--text);border-color:var(--border-hi)} }
.type-b.on{background:rgba(61,220,132,0.12);color:var(--ok);border-color:var(--ok-dim)}
.type-b .ti{width:16px;height:16px;display:block;stroke:currentColor;fill:none;stroke-width:1.6}
.type-hint{font-size:var(--fs-xs);color:var(--text-faint);margin-top:var(--space-2);min-height:1.4em}

/* design sub-tabs */
.dtabs{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
       margin-bottom:var(--space-2);width:fit-content}
.dtab{font:inherit;font-size:var(--fs-xs);letter-spacing:var(--track-wide);text-transform:uppercase;
      background:var(--bg);color:var(--text-faint);border:none;padding:0.4rem 0.9rem;cursor:pointer;
      transition:color .15s ease,background .15s ease}
.dtab+.dtab{border-left:1px solid var(--border)}@media (hover:hover){ .dtab:hover {color:var(--text)} }
.dtab.on{background:rgba(61,220,132,0.12);color:var(--ok)}
.dpane{display:none}
.dpane.on{display:block}

/* swatch-style option tiles (shapes, eyes, logo) */
.opts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0.45rem}
@media(max-width:620px){.opts{grid-template-columns:repeat(4,minmax(0,1fr))}}
.opt{position:relative;display:flex;flex-direction:column;align-items:center;gap:0.3rem;
     background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
     padding:0.5rem 0.25rem;cursor:pointer;transition:border-color .15s ease,background .15s ease}@media (hover:hover){ .opt:hover {border-color:var(--border-hi)} }
.opt.on{border-color:var(--ok-dim);background:rgba(61,220,132,0.1)}
.opt svg{width:26px;height:26px;display:block}
.opt .on-l{font-size:0.65rem;letter-spacing:0.03em;color:var(--text-faint)}
.opt.on .on-l{color:var(--ok)}
.opt.locked{border-style:dashed;opacity:0.75}@media (hover:hover){ .opt.locked:hover {border-color:var(--ok-dim);opacity:1} }
.opt .lk{position:absolute;top:2px;right:4px;font-size:0.6rem;color:var(--text-faint);font-weight:700}@media (hover:hover){ .opt.locked:hover .lk {color:var(--ok)} }

/* output panel */
.out-h{display:flex;align-items:center;justify-content:space-between;gap:0.5rem;
       padding:0.7rem var(--space-3);background:var(--bg);border-bottom:1px solid var(--border)}
.out-t{font-size:var(--fs-xs);letter-spacing:var(--track-wide);text-transform:uppercase;color:var(--text-dim)}
.out-b{padding:var(--space-3)}
.qwrap{border:1px solid var(--border);border-radius:var(--radius);background:#0d0d0f;
       padding:var(--space-3);display:flex;align-items:center;justify-content:center;min-height:240px}
#qcanvas{display:block;width:100%;max-width:220px;height:auto;image-rendering:pixelated;border-radius:2px}
.qempty,.qerr{font-size:var(--fs-sm);text-align:center;line-height:1.6;max-width:24ch}
.qempty{color:var(--text-faint)}
.qerr{color:var(--warn)}

.qmeta{margin-top:var(--space-2);display:grid;grid-template-columns:5.5rem 1fr;gap:0.25rem 0.6rem;font-size:var(--fs-xs)}
.qmeta .kk{color:var(--text-faint)}
.qmeta .kk::before{content:'· '}
.qmeta .kd{color:var(--text-dim);font-variant-numeric:tabular-nums}

.sizerow{margin-top:var(--space-3);display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap}
.sizerow .ctrl-k{margin:0}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.seg button{font:inherit;font-size:var(--fs-xs);letter-spacing:var(--track-wide);background:var(--bg);
            color:var(--text-faint);border:none;padding:0.3rem 0.6rem;cursor:pointer;
            transition:color .15s ease,background .15s ease}
.seg button+button{border-left:1px solid var(--border)}@media (hover:hover){ .seg button:hover {color:var(--text)} }
.seg button.on{background:rgba(61,220,132,0.12);color:var(--ok)}

.acts{margin-top:var(--space-2);display:grid;grid-template-columns:1fr 1fr;gap:0.5rem}
.acts .wide{grid-column:1/-1}

.pres{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0.45rem}
@media(max-width:620px){.pres{grid-template-columns:repeat(3,minmax(0,1fr))}}
.pres-note{margin-top:0.6rem;font-size:var(--fs-xs);color:var(--text-faint)}
.pres-note a{color:var(--ok);border-bottom-color:var(--ok-dim)}
.tol{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:var(--space-3)}
.tol-note{margin-top:0.5rem;font-size:var(--fs-xs);color:var(--text-faint)}
.ctrl{margin-top:var(--space-3)}
.ctrl:first-child{margin-top:0}
.ctrl-k{display:block;font-size:var(--fs-xs);letter-spacing:var(--track-wide);text-transform:uppercase;
        color:var(--text-faint);margin-bottom:0.6rem}

/* placeholder must never share flex space with the canvas */
.qwrap{position:relative}
.qempty,.qerr{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
              margin:0;padding:var(--space-2);max-width:none;background:#0d0d0f;border-radius:var(--radius)}
.qempty[hidden],.qerr[hidden]{display:none}