/* ===== UI/UX Design — "design canvas" concept ===== */
:root{
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --wire: rgba(255,255,255,.12);
  --ok: #6ee7b7;
  --cy: #7dd3fc;
  --pink: #8a6cff;
}
body.dsn{background:var(--bg);color:var(--ink)}
.dsn main{position:relative}
.dsn main::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(rgba(255,255,255,.05) 1px,transparent 0) 0 0/24px 24px,
             radial-gradient(ellipse at 50% -10%,rgba(67,104,250,.2),transparent 55%)}

/* toolbar */
.dsn-bar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:14px;
  padding:10px 20px;background:rgba(7,10,24,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:.8rem}
.dsn-bar__brand{display:flex;align-items:center;gap:8px;font-weight:700;font-family:Inter,system-ui,sans-serif}
.dsn-bar__brand .brand__mark{color:var(--accent-2)}
.dsn-bar__file{color:var(--muted)}
.dsn-bar__zoom{color:var(--muted);border:1px solid var(--wire);border-radius:6px;padding:2px 8px}
.dsn-bar__avatars{margin-left:auto;display:flex}
.dsn-bar__avatars i{width:22px;height:22px;border-radius:50%;border:2px solid var(--bg);margin-left:-7px;background:linear-gradient(150deg,var(--accent),var(--pink))}
.dsn-bar__avatars i:nth-child(2){background:linear-gradient(150deg,var(--cy),#a7f3d0)}
.dsn-bar__avatars i:nth-child(3){background:linear-gradient(150deg,#fbbf24,#8a6cff)}
.dsn-bar__share{color:var(--accent-2);margin-left:12px}

.dsn-section{padding:54px 0}
.dsn-eyebrow{font-family:var(--mono);font-size:.8rem;color:var(--muted);margin-bottom:14px}
.dsn-eyebrow::before{content:"✦ ";color:var(--pink)}
.dsn-section h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
.dsn-section > .container > p{max-width:600px;margin:14px 0 0;color:var(--muted)}

/* hero + artboard */
.dsn-hero{padding:44px 0 20px}
.dsn-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.dsn-hero h1{font-size:clamp(2.3rem,5.4vw,3.7rem);letter-spacing:-.02em}
.dsn-hero__sub{max-width:44ch;margin:18px 0 0;color:var(--muted);font-size:1.03rem}
.dsn-hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.artboard{position:relative;background:#0f1322;border:1px solid var(--line);border-radius:14px;padding:20px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.artboard__label{position:absolute;top:-22px;left:0;font-family:var(--mono);font-size:.72rem;color:var(--accent-2)}
.artboard__frame{outline:1px solid var(--accent);outline-offset:6px;border-radius:8px;display:grid;gap:10px;padding:6px}
.artboard__frame i{display:block;height:12px;border-radius:6px;background:rgba(255,255,255,.08)}
.artboard__frame i.h{height:24px;width:56%;background:linear-gradient(90deg,var(--accent),rgba(67,104,250,.2))}
.artboard__frame i.w80{width:80%}.artboard__frame i.w90{width:90%}.artboard__frame i.w40{width:40%}
.artboard__frame .row{display:flex;gap:8px}
.artboard__frame .row i{flex:1;height:44px}
.handle{position:absolute;width:9px;height:9px;background:#fff;border:1px solid var(--accent);border-radius:2px}
.handle.tl{top:12px;left:12px}.handle.tr{top:12px;right:12px}.handle.bl{bottom:12px;left:12px}.handle.br{bottom:12px;right:12px}
.artboard__props{position:absolute;right:-14px;bottom:26px;font-family:var(--mono);font-size:.68rem;color:var(--muted);
  background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px}

/* layers panel (what's included) */
.layers{list-style:none;margin-top:24px;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-family:var(--mono)}
.layers li{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border-bottom:1px solid var(--wire)}
.layers li:last-child{border-bottom:0}
.layers li:hover{background:rgba(255,255,255,.03)}
.layers .eye{color:var(--muted);flex:none;margin-top:2px}
.layers h4{font-size:.92rem;color:var(--ink)}
.layers p{margin-top:4px;font-size:.85rem;color:var(--muted);font-family:Inter,system-ui,sans-serif}

/* frames row (approach) */
.frames{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.dsn-frame{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.dsn-frame .fname{font-family:var(--mono);font-size:.72rem;color:var(--accent-2)}
.dsn-frame .thumb{height:66px;border-radius:8px;margin:10px 0;background:linear-gradient(150deg,rgba(67,104,250,.25),rgba(125,211,252,.12));border:1px solid var(--wire)}
.dsn-frame h4{font-size:.94rem}
.dsn-frame p{margin-top:5px;font-size:.83rem;color:var(--muted)}

/* inspector (what you get) */
.dsn-cols{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;margin-top:24px}
.inspector{border:1px solid var(--line);border-radius:14px;overflow:hidden;font-family:var(--mono);font-size:.82rem}
.inspector div{display:flex;justify-content:space-between;gap:14px;padding:12px 16px;border-bottom:1px solid var(--wire)}
.inspector div:last-child{border-bottom:0}
.inspector span:first-child{color:var(--muted)}
.inspector span:last-child{color:var(--ink);text-align:right}
.tokens{border:1px solid var(--line);border-radius:14px;padding:18px}
.tokens h4{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-bottom:12px}
.swatches{display:flex;gap:8px;margin-bottom:16px}
.swatches i{width:34px;height:34px;border-radius:8px;border:1px solid var(--wire)}
.swatches i:nth-child(1){background:#4b60f6}.swatches i:nth-child(2){background:#93a4ff}
.swatches i:nth-child(3){background:#8a6cff}.swatches i:nth-child(4){background:#7dd3fc}.swatches i:nth-child(5){background:#6ee7b7}
.type-scale div{font-family:Inter,system-ui,sans-serif;color:var(--muted);line-height:1.5;padding:4px 0}
.type-scale .xl{font-size:1.5rem;color:var(--ink)}
.type-scale .lg{font-size:1.1rem;color:var(--ink)}
.type-scale .sm{font-size:.8rem}

/* component library (related) */
.complib{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.complib a{background:var(--panel);border:1px dashed var(--wire);border-radius:14px;padding:18px;color:var(--ink);transition:border-color .15s,transform .15s}
.complib a:hover{border-color:var(--accent);transform:translateY(-3px)}
.complib .cname{font-family:var(--mono);font-size:.82rem;color:var(--accent-2)}
.complib p{margin-top:8px;font-size:.83rem;color:var(--muted)}

.dsn-cta{padding:80px 0 96px;text-align:center}
.dsn-cta h2{font-size:clamp(2rem,4.5vw,3rem)}
.dsn-cta p{color:var(--muted);max-width:44ch;margin:14px auto 26px}

@media(max-width:900px){
  .dsn-hero__grid,.dsn-cols{grid-template-columns:1fr}
  .frames{grid-template-columns:1fr 1fr}
  .complib{grid-template-columns:1fr}
  .dsn-bar__file,.dsn-bar__zoom{display:none}
}