/* Layout: form left, live signature on a white "email" sheet right; stacks on phones */
:root{
  --bg:#f2f5f6; --surface:#ffffff; --fg:#1d2a2e; --muted:#5f6e72; --line:#d6dfe1;
  --accent:#2f7f8e; --accent-ink:#ffffff; --warn-bg:#fff4dc; --warn-fg:#6b4a00; --ok:#2a7a4b; --err:#a3312a;
  --sheet:#ffffff;
  --font-ui:"Figtree", "Segoe UI", system-ui, sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#12191b; --surface:#1a2427; --fg:#e4ecee; --muted:#9aaaae; --line:#2c3a3e;
  --accent:#5fb6c6; --accent-ink:#0c1416; --warn-bg:#3a2e12; --warn-fg:#f3d58c; --ok:#6fcf97; --err:#f08a80; color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-ui);font-size:15px;line-height:1.5}
.wrap{max-width:1180px;margin:0 auto;padding:28px max(16px,env(safe-area-inset-right,0px)) 48px max(16px,env(safe-area-inset-left,0px));display:grid;gap:24px}
header h1{margin:0;font-size:26px;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
header p{margin:4px 0 0;color:var(--muted);max-width:66ch}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700}
.grid{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:24px;align-items:start}
@media (max-width:860px){.grid{grid-template-columns:1fr}}
.col{display:grid;gap:16px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;display:grid;gap:14px;min-width:0}
.panel h2{margin:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.panel h3{margin:6px 0 0;font-size:15px;font-weight:700}
label{display:grid;gap:5px;font-weight:600;font-size:14px}
label small,.hint{font-weight:400;color:var(--muted);font-size:13px}
input[type=text],input[type=tel],input[type=email],input[type=url],input[type=number],select,textarea{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--fg);min-width:0;width:100%}
input[type=color]{width:44px;height:36px;border:1px solid var(--line);border-radius:7px;background:var(--bg);padding:2px}
input:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.check{display:flex;gap:9px;align-items:center;font-weight:500}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
.row > *{flex:1 1 140px;min-width:0}
.colors{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.colors label{display:flex;align-items:center;gap:10px;font-weight:500}
.sheet{background:var(--sheet);border-radius:8px;padding:clamp(14px,4vw,28px) clamp(12px,3.5vw,24px);overflow:hidden;border:1px solid var(--line)}
/* The preview keeps the signature's exact layout and scales down as a whole on narrow screens */
.fitbox{position:relative;overflow:hidden}
.fit{width:max-content;transform-origin:top left;white-space:nowrap}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
button{font:inherit;font-weight:600;border-radius:7px;padding:10px 16px;cursor:pointer;border:1px solid var(--accent)}
.primary{background:var(--accent);color:var(--accent-ink)}
.secondary{background:transparent;color:var(--accent)}
.status{min-height:1.5em;color:var(--ok);font-weight:600;font-size:14px}
.status.err{color:var(--err)}
.steps{margin:0;padding-left:20px;display:grid;gap:6px}
.steps b{font-weight:600}
.notice{background:var(--warn-bg);color:var(--warn-fg);border-radius:8px;padding:12px 14px;font-size:14px}
.code{min-height:140px;font:12px/1.45 ui-monospace,Menlo,Consolas,monospace}
details summary{cursor:pointer;font-weight:600}
.imgfield{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start;padding-top:12px;border-top:1px solid var(--line)}
.thumb{background:#fff;border:1px solid var(--line);border-radius:6px;height:72px;display:grid;place-items:center;overflow:hidden}
.thumb img{max-height:64px;max-width:88px}
.imgfield .fields{display:grid;gap:10px;min-width:0}
.offscreen{position:fixed;left:-9999px;top:0}
.savebar{position:sticky;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding:12px 20px calc(12px + env(safe-area-inset-bottom,0px));margin:0 -20px -20px;border-radius:0 0 10px 10px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.gate{min-height:100vh;display:grid;place-items:center;padding:24px max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px))}
.gatecard{width:100%;max-width:380px}
.emails{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.emails li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;border:1px solid var(--line);border-radius:7px;background:var(--bg);font-variant-numeric:tabular-nums}
.linkbtn{border:0;background:none;color:var(--accent);padding:4px 6px;font-size:14px}
.linkbtn:disabled{color:var(--muted);cursor:not-allowed}