:root{color-scheme:dark;--bg:#070b0c;--panel:#11191b;--line:#2c4340;--mint:#3af29b;--text:#e5eceb;--muted:#a1afac}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}
body{background:radial-gradient(ellipse at 15% -10%,#19362f 0,transparent 38%),var(--bg)}
.top{min-height:80px;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(16px,4vw,68px);border-bottom:1px solid var(--line);gap:20px}
.brand{display:flex;align-items:center;gap:13px}.symbol{font-size:34px;font-weight:800;color:var(--mint);line-height:1}.brand strong{font-size:18px;letter-spacing:.28em;font-weight:650}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:.14em;margin-top:5px}.lab{font-size:12px;color:var(--mint);letter-spacing:.13em;font-weight:700}.lab span{color:var(--muted);font-weight:400}
main{max-width:1480px;margin:auto;padding:clamp(16px,3vw,40px)}.heading{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:22px}.heading h1{margin:0 0 10px;font-size:clamp(24px,2.8vw,38px);font-weight:650}.heading p:not(.eyebrow){max-width:780px;color:var(--muted);font-size:14px;line-height:1.6;margin:0}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--mint);margin:0 0 12px}.info{font-size:10px;color:#bdc9c5;white-space:nowrap}.dot{display:inline-block;height:7px;width:7px;border-radius:50%;background:var(--mint);margin-right:7px}
.selector{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:17px}.selector button{flex:1;min-width:155px;background:#111b1b;color:#cad5d2;border:1px solid var(--line);border-radius:10px;padding:13px 20px;text-align:left;cursor:pointer;font:600 14px inherit;font-family:inherit;font-weight:650;transition:border-color .12s,background .12s}.selector small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:5px}.selector button.selected,.selector button:focus-visible{border-color:var(--mint);background:#173126;color:#f1fbf5;outline:none}
.preview{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#020405;box-shadow:0 20px 60px #0007}.previewbar{padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#121b1d}.previewbar strong{font-size:15px}.previewbar span{display:block;color:var(--muted);font-size:11px;margin-top:3px}.previewbar a{color:var(--mint);text-decoration:none;font-size:12px;border:1px solid #32604a;border-radius:8px;padding:8px 11px}
#preview-frame{display:block;border:0;width:100%;aspect-ratio:2732/2048;background:#010202}footer{font-size:12px;color:#7f928c;line-height:1.6;margin:20px 2px}
@media(max-width:760px){.heading{display:block}.info{margin-top:14px}.lab span{display:none}.top{min-height:70px}.brand strong{font-size:15px}.selector button{min-width:120px;flex-basis:28%}.selector{gap:7px}.previewbar{padding:11px 13px}}

.preview-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.preview-controls button{color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px 11px;font:600 12px system-ui;cursor:pointer}
.preview-controls button.is-current{color:var(--mint);border-color:#32604a;background:#133024}
@media(max-width:760px){.previewbar{flex-direction:column;align-items:stretch}.preview-controls{justify-content:flex-start}.preview-controls button{font-size:11px}}