:root{
  --bg:#08090b; --panel:#111214ee; --line:#26282c; --text:#eceef1; --muted:#8b8f96;
  --accent:#c9cdd4; --accent2:#9199a6; --accent-dim:#4a4d52;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:inherit}
html,body{height:100%}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}
.muted{color:var(--muted)}

header{position:sticky;top:0;z-index:20;padding:14px 20px;padding-top:calc(14px + env(safe-area-inset-top,0px));
  display:flex;justify-content:space-between;align-items:center;
  background:linear-gradient(180deg,#08090bee,#08090b99);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{font-weight:800;letter-spacing:3px;color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;font-size:13px}

.hero{padding:56px 20px 24px;text-align:center;max-width:720px;margin:0 auto}
.hero h1{font-size:clamp(28px,5vw,46px);margin:0 0 10px;line-height:1.1}
.hero p{color:var(--muted);font-size:15px}
.cta{display:inline-block;margin-top:18px;padding:12px 28px;border:1px solid var(--accent);border-radius:6px;
  color:var(--accent);text-decoration:none;font-weight:600;transition:.2s}
.cta:hover{background:var(--accent);color:#08090b}

.studio{display:grid;grid-template-columns:1fr;gap:16px;padding:16px;max-width:1200px;margin:0 auto}
@media(min-width:900px){.studio{grid-template-columns:1.4fr 1fr}}

#canvasWrap{position:relative;height:min(64vh,560px);border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:radial-gradient(circle at 50% 30%,#141517,#08090b)}
canvas{display:block;width:100%;height:100%;touch-action:none}
#loadOverlay{position:absolute;inset:0;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;
  color:var(--muted);font-size:13px;background:#08090bcc;transition:opacity .3s}
#loadOverlay.hidden{opacity:0;pointer-events:none}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.panel h3{margin:0 0 10px;font-size:12px;letter-spacing:1.5px;color:var(--muted);text-transform:uppercase}
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.swatch{width:32px;height:32px;border-radius:50%;border:2px solid transparent;cursor:pointer}
.swatch.active{border-color:var(--accent)}
.matrow{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.matbtn{padding:8px 12px;border-radius:6px;border:1px solid var(--line);background:#17181b;color:var(--text);font-size:13px;cursor:pointer}
.matbtn.active{border-color:var(--accent2);color:var(--accent2)}
input[type=text]{width:100%;padding:10px;border-radius:6px;border:1px solid var(--line);background:#0a0f1a;color:var(--text);
  font-size:14px;margin-bottom:16px}
.checkbox-row{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);margin:6px 0 14px}
.link{background:none;border:none;color:var(--accent);text-decoration:underline;cursor:pointer;font-size:inherit;padding:0}
.price{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--line)}
.price strong{font-size:20px;color:var(--accent)}
.buy{width:100%;padding:12px;border:none;border-radius:6px;background:var(--accent);color:#08090b;font-weight:700;
  cursor:pointer;margin-top:12px}
.buy:disabled{opacity:.4;cursor:not-allowed}

.aiSection{display:grid;grid-template-columns:1fr;gap:16px;padding:0 16px;max-width:1200px;margin:8px auto}
@media(min-width:900px){.aiSection{grid-template-columns:1fr 1fr}}
.aiPanel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.aiPanel h3{margin:0 0 6px;font-size:13px;color:var(--accent2);text-transform:uppercase;letter-spacing:1px}
.aiPanel input[type=file]{margin-top:8px;font-size:12px;color:var(--muted)}
.agentLog{height:160px;overflow-y:auto;border:1px solid var(--line);border-radius:6px;padding:8px;margin:10px 0;
  display:flex;flex-direction:column;gap:8px;background:#0a0f1a}
.agentMsg{font-size:13px;padding:8px 10px;border-radius:6px;max-width:90%}
.agentMsg.user{align-self:flex-end;background:#1c2438;color:var(--text)}
.agentMsg.agent{align-self:flex-start;background:#1a1c1f;color:var(--accent)}
.agentForm{display:flex;gap:8px}
.agentForm input{flex:1;margin-bottom:0}
.agentForm button[type=submit]{padding:10px 14px;border:none;border-radius:6px;background:var(--accent2);color:#08090b;font-weight:700;cursor:pointer}
#micBtn{display:flex;align-items:center;justify-content:center;width:40px;border:1px solid var(--line);border-radius:6px;background:#17181b;color:var(--muted);cursor:pointer}
#micBtn.listening{color:var(--accent);border-color:var(--accent);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

footer{padding:26px 20px;text-align:center;color:var(--muted);font-size:12px;border-top:1px solid var(--line);margin-top:24px}
.footlinks{margin-top:8px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.credit{margin-top:14px;font-size:11px;letter-spacing:1px;color:var(--accent)}

.modalOverlay{position:fixed;inset:0;background:#000c;display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modalOverlay.show{display:flex}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:10px;max-width:520px;max-height:80vh;
  overflow-y:auto;padding:22px}
.modal h2{margin-top:0;color:var(--accent)}
.modal .close{float:right;background:none;border:1px solid var(--line);color:var(--text);border-radius:6px;
  padding:4px 10px;cursor:pointer}

#cookieBanner{position:fixed;left:0;right:0;bottom:0;bottom:calc(0px + env(safe-area-inset-bottom,0px));z-index:40;
  background:var(--panel);border-top:1px solid var(--line);padding:14px 16px;display:none;gap:10px;flex-wrap:wrap;
  align-items:center;justify-content:space-between}
#cookieBanner.show{display:flex}
#cookieBanner p{margin:0;font-size:13px;color:var(--muted);max-width:520px}
#cookieBanner .btns{display:flex;gap:8px}
#cookieBanner button{padding:8px 14px;border-radius:6px;border:1px solid var(--line);background:#17181b;color:var(--text);
  cursor:pointer;font-size:12px}
#cookieBanner button.accept{background:var(--accent);color:#08090b;border-color:var(--accent)}

@media(prefers-color-scheme:light){
  :root:not([data-theme="dark"]){--bg:#f5f7fb;--panel:#ffffffee;--line:#dde3ef;--text:#141926;--muted:#5b6579}
}