:root{
  --bg:#f7f5f1;
  --bg-soft:#f2efe8;
  --paper:#eeeae2;
  --paper-2:#dedbd4;
  --ink:#15130f;
  --ink-2:#312d27;
  --muted:#6f6a61;
  --muted-2:#8a8377;
  --line:#e5ded3;
  --blue:#3478ff;
  --blue-deep:#1d5cff;
  --blue-soft:#eef3ff;
  --radius:14px;
  --nav-h:58px;
  --side:220px;
  --studio-side:260px;
  --dock-h:168px;
  --font:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1200px 500px at 10% -10%, #eef3ff 0%, transparent 55%),
    radial-gradient(900px 420px at 90% 0%, #f0e6d8 0%, transparent 50%),
    var(--bg);
  color:var(--ink-2);
  min-height:100vh;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
.hidden{display:none !important}

.topbar{
  position:sticky;top:0;z-index:50;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;gap:12px;
  background:rgba(247,245,241,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(229,222,211,.85);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--blue),#7aa2ff 55%,#c9d8ff);
  box-shadow:0 8px 20px rgba(52,120,255,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;background:#fff;opacity:.9;
}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav-links a,.ghost-btn,.primary-btn,.lang-btn{
  border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;
  background:transparent;color:var(--ink-2);
}
.nav-links a:hover,.ghost-btn:hover,.lang-btn:hover{background:rgba(255,255,255,.7)}
.nav-links a.active-nav{background:var(--paper-2)}
.primary-btn{
  background:var(--blue-deep);color:#fff;
  box-shadow:0 10px 24px rgba(29,92,255,.25);
}
.primary-btn:hover{transform:translateY(-1px);background:#164ef0}
.ghost-btn,.lang-btn{border-color:var(--line)}
.lang-btn.active{background:#111827;color:#fff;border-color:#111827}

.shell{display:grid;grid-template-columns:var(--side) 1fr;gap:0;min-height:calc(100vh - var(--nav-h))}
.sidebar{
  position:sticky;top:var(--nav-h);align-self:start;
  height:calc(100vh - var(--nav-h));
  padding:18px 14px 24px;
  border-right:1px solid var(--line);
  background:rgba(247,245,241,.55);
  overflow:auto;
}
.side-label{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px;font-size:13px;font-weight:700;color:var(--ink);
}
.side-item{
  width:100%;text-align:left;border:0;background:transparent;cursor:pointer;
  border-radius:8px;padding:8px 12px 8px 18px;font-size:14px;color:var(--ink-2);
  display:flex;align-items:center;gap:8px;
}
.side-item:hover{background:rgba(255,255,255,.75)}
.side-item.active{background:var(--paper-2);font-weight:600;color:#000}
.dot{width:6px;height:6px;border-radius:50%;background:var(--blue)}

.main{padding:22px 22px 80px;min-width:0}
.model-row,.sort-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{
  border:1px solid var(--line);background:rgba(255,255,255,.55);
  border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600;
  color:var(--ink-2);cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  transition:.15s ease;
}
.chip:hover{background:#fff}
.chip.active{background:#111827;color:#fff;border-color:#111827}
.chip .new{
  font-size:10px;font-weight:800;letter-spacing:.04em;
  background:var(--blue);color:#fff;border-radius:999px;padding:2px 6px;
}
.sort-row .chip{background:transparent;border:0;color:var(--muted);padding:6px 10px}
.sort-row .chip.active{background:var(--paper-2);color:var(--ink)}

.hero-copy{margin:8px 0 16px}
.hero-copy h1{
  font-size:clamp(20px,2.4vw,22px);font-weight:800;letter-spacing:-.03em;
  display:flex;align-items:center;gap:8px;
}
.hero-copy p{margin-top:8px;font-size:14px;color:var(--muted);max-width:52ch}

.tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.search{position:relative;flex:1;min-width:220px;max-width:380px}
.search input{
  width:100%;border:1px solid var(--line);background:#fff;
  border-radius:12px;padding:11px 12px 11px 38px;outline:none;
  color:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.8) inset;
}
.search input:focus{border-color:#b7c9f7;box-shadow:0 0 0 3px rgba(52,120,255,.12)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted-2)}

.grid{columns:4 220px;column-gap:14px}
.card{
  break-inside:avoid;margin:0 0 14px;
  border-radius:16px;overflow:hidden;background:#fff;
  border:1px solid rgba(229,222,211,.8);
  box-shadow:0 10px 30px rgba(40,30,10,.04);
  cursor:pointer;position:relative;
  transition:transform .2s ease, box-shadow .2s ease;
  animation:rise .55s ease both;
}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(40,30,10,.1)}
.card img{width:100%;height:auto}
.card .meta{
  position:absolute;inset:auto 0 0 0;padding:28px 12px 12px;
  background:linear-gradient(transparent,rgba(15,15,12,.78));
  color:#fff;opacity:0;transform:translateY(8px);transition:.2s ease;
}
.card:hover .meta{opacity:1;transform:none}
.card .meta h3{font-size:13px;font-weight:700;line-height:1.35;margin-bottom:6px}
.card .meta .row{display:flex;justify-content:space-between;gap:8px;font-size:11px;opacity:.9}
.badge{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:2px 8px;backdrop-filter:blur(6px);
}

.section{margin-top:72px;max-width:920px}
.section h2{font-size:28px;letter-spacing:-.03em;font-weight:800;margin-bottom:10px}
.section .lead{color:var(--muted);margin-bottom:22px;max-width:60ch}
.model-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.model-card{
  background:rgba(255,255,255,.65);border:1px solid var(--line);
  border-radius:16px;padding:16px;
}
.model-card h3{font-size:15px;margin-bottom:6px}
.model-card p{font-size:13px;color:var(--muted)}
.steps{display:grid;gap:10px}
.step{
  display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;
  background:rgba(255,255,255,.5);border:1px solid var(--line);border-radius:14px;padding:14px;
}
.step .n{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--blue-soft);color:var(--blue-deep);font-weight:800;
}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:650;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{margin-top:8px;color:var(--muted);font-size:14px}

.cta{
  margin-top:56px;border-radius:24px;padding:36px 28px;text-align:center;
  background:
    linear-gradient(135deg,rgba(29,92,255,.12),transparent 40%),
    linear-gradient(180deg,#111827,#1f2937);
  color:#fff;overflow:hidden;position:relative;
}
.cta h2{font-size:28px;letter-spacing:-.03em;margin-bottom:8px}
.cta p{color:#cbd5e1;margin-bottom:18px}
.cta .actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cta .primary-btn{background:#fff;color:#111827;box-shadow:none}
.cta .ghost-btn{border-color:rgba(255,255,255,.25);color:#fff}

.footer{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--muted);font-size:12px;
}
.replica-note{
  position:fixed;right:14px;bottom:14px;z-index:40;
  background:rgba(17,24,39,.92);color:#fff;font-size:11px;
  padding:8px 10px;border-radius:10px;opacity:.85;
}
body.view-studio .replica-note{bottom:calc(var(--dock-h) + 18px)}

/* Studio */
#view-studio{
  display:none;
  height:calc(100vh - var(--nav-h));
  grid-template-columns:var(--studio-side) 1fr;
}
body.view-studio #view-gallery{display:none}
body.view-studio #view-studio{display:grid}
body.view-studio .replica-note{z-index:45}

.studio-side{
  border-right:1px solid var(--line);
  background:rgba(247,245,241,.7);
  padding:14px 12px 20px;
  overflow:auto;
}
.studio-side h3{font-size:13px;font-weight:800;padding:6px 8px 12px}
.hist-item{
  width:100%;text-align:left;border:1px solid transparent;background:transparent;
  border-radius:12px;padding:10px;cursor:pointer;margin-bottom:6px;
}
.hist-item:hover{background:rgba(255,255,255,.8)}
.hist-item.active{background:#fff;border-color:var(--line);box-shadow:0 6px 18px rgba(40,30,10,.06)}
.hist-item .t{font-size:13px;font-weight:650;line-height:1.35;margin-bottom:4px}
.hist-item .s{font-size:11px;color:var(--muted)}

.studio-main{
  display:grid;
  grid-template-rows:1fr var(--dock-h);
  min-width:0;
  height:calc(100vh - var(--nav-h));
}
.studio-preview{
  display:grid;place-items:center;padding:24px;position:relative;overflow:auto;
  background:
    linear-gradient(180deg,rgba(255,255,255,.35),transparent),
    var(--bg-soft);
}
.preview-frame{
  width:min(520px,92%);
  aspect-ratio:3/4;
  border-radius:20px;
  border:1px solid var(--line);
  background:#111;
  overflow:hidden;
  box-shadow:0 30px 80px rgba(20,16,10,.18);
  position:relative;
}
.preview-frame img{width:100%;height:100%;object-fit:cover}
.preview-empty{
  position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;
  color:#cbd5e1;font-size:14px;background:#16181d;
}
.preview-empty.hidden{display:none}
.skel{
  position:absolute;inset:0;display:none;align-items:end;padding:16px;
  background:linear-gradient(110deg,#1a1d24 25%,#2a303b 40%,#1a1d24 55%);
  background-size:200% 100%;animation:shimmer 1.1s linear infinite;
}
.skel.on{display:flex}
.skel span{color:#e2e8f0;font-size:12px;font-weight:700}

.studio-dock{
  border-top:1px solid var(--line);
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  padding:12px 16px 14px;
  display:grid;gap:10px;
}
.dock-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.dock-row select{
  border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:12px;
}
.dock-prompt{
  width:100%;min-height:64px;resize:vertical;
  border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;
  font-size:13px;line-height:1.45;
}
.dock-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.dock-status{font-size:12px;color:var(--muted);min-height:16px}

/* Modal + Skills */
.overlay{
  position:fixed;inset:0;background:rgba(20,16,10,.48);
  backdrop-filter:blur(6px);z-index:80;display:none;padding:24px;
}
.overlay.open{display:grid;place-items:center;animation:fade .2s ease}
.modal{
  width:min(1040px,100%);max-height:min(90vh,900px);overflow:auto;
  background:var(--bg);border-radius:20px;border:1px solid rgba(255,255,255,.4);
  box-shadow:0 40px 100px rgba(0,0,0,.28);
  display:grid;grid-template-columns:1.15fr .95fr;
}
.modal-media{background:#111;min-height:320px;display:grid;place-items:center}
.modal-media img{width:100%;height:100%;object-fit:contain;max-height:80vh}
.modal-body{padding:22px;display:flex;flex-direction:column;gap:14px}
.modal-body h2{font-size:18px;letter-spacing:-.02em}
.modal-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted)}
.prompt-box{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;
  font-size:13px;line-height:1.55;color:var(--ink-2);white-space:pre-wrap;
  max-height:180px;overflow:auto;
}
.prompt-box .tag{
  display:inline-block;background:var(--blue-soft);color:var(--blue-deep);
  border-radius:6px;padding:0 5px;font-weight:700;
}
.gen-panel{
  background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:14px;padding:12px;
  display:grid;gap:10px;
}
.gen-row{display:flex;gap:8px;flex-wrap:wrap}
.gen-row select{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:12px}
.modal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.close-x{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:999px;
  border:0;background:rgba(0,0,0,.45);color:#fff;cursor:pointer;font-size:18px;
}
.modal-wrap{position:relative;width:min(1040px,100%)}

.skills-card{
  width:min(520px,100%);
  background:var(--bg);
  border-radius:20px;
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 40px 100px rgba(0,0,0,.28);
  padding:22px;
  position:relative;
}
.skills-card h2{font-size:20px;margin-bottom:6px}
.skills-card .sub{color:var(--muted);font-size:13px;margin-bottom:16px}
.skills-steps{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.skills-steps span{
  font-size:11px;font-weight:700;padding:4px 8px;border-radius:999px;
  background:var(--paper);color:var(--muted);
}
.skills-steps span.on{background:var(--blue-soft);color:var(--blue-deep)}
.skills-body label{display:block;font-size:12px;font-weight:700;margin:10px 0 6px;color:var(--muted)}
.skills-body select,.skills-body input{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;
}
.skills-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px;flex-wrap:wrap}

@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes shimmer{to{background-position-x:-200%}}

@media (max-width:980px){
  .shell{grid-template-columns:1fr}
  .sidebar{display:none}
  .modal{grid-template-columns:1fr}
  .grid{columns:2 160px}
  #view-studio{grid-template-columns:1fr}
  .studio-side{display:none}
}
@media (max-width:560px){
  .grid{columns:1}
  .nav-links a.nav-hide-sm{display:none}
  .main{padding:16px 14px 72px}
  :root{--dock-h:210px}
}