:root{--bg: #0b0b0f;--panel: #15151c;--panel-2: #1d1d26;--border: #2a2a33;--fg: #f5f5f7;--muted: #9a9aa2;--accent: #6ea8fe;--accent-fg: #0b0b0f;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.app{max-width:1100px;margin:0 auto;padding:32px 20px 64px}.header h1{font-size:28px;margin:0 0 4px;letter-spacing:-.5px}.header p{margin:0;color:var(--muted)}.layout{display:grid;grid-template-columns:1fr;gap:24px;margin-top:28px}@media(min-width:820px){.layout{grid-template-columns:1.1fr .9fr;align-items:start}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.tab{flex:1;min-width:120px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);color:var(--fg);cursor:pointer;font-size:14px}.tab[aria-selected=true]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}.field{margin-bottom:16px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input[type=text],.field input[type=date],.field input[type=number],.field select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);color:var(--fg);font-size:15px}.row{display:flex;gap:12px;align-items:center}.row .field{flex:1}.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.preview{position:sticky;top:24px}.phone{margin:0 auto;width:240px;aspect-ratio:1170 / 2532;border-radius:28px;border:2px solid var(--border);overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}.phone img{width:100%;height:100%;object-fit:cover;display:block}.url-box{margin-top:18px;display:flex;gap:8px}.url-box input{flex:1;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}button.primary{padding:10px 16px;border-radius:10px;border:none;background:var(--accent);color:var(--accent-fg);font-weight:600;cursor:pointer;white-space:nowrap}.notice{margin-top:12px;font-size:13px;color:var(--muted)}.notice.warn{color:#f0a04b}.instructions{margin-top:24px}.instructions h2{font-size:18px;margin:0 0 10px}.instructions details{border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:10px;background:var(--panel)}.instructions summary{cursor:pointer;font-weight:600}.instructions ol{margin:12px 0 4px;padding-left:20px;color:var(--muted);line-height:1.55}.instructions code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:12px}.footer{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;line-height:1.6}