:root{--larghezza: 560px;--bg: #fafaf9;--surface: #fff;--border: #e7e5e4;--text: #1c1917;--muted: #78716c;--accent: #0f766e;--accent-text: #fff;--bad: #b91c1c}@media(prefers-color-scheme:dark){:root{--bg: #1c1917;--surface: #292524;--border: #44403c;--text: #fafaf9;--muted: #a8a29e;--accent: #2dd4bf;--accent-text: #0c1413;--bad: #f87171}}*{box-sizing:border-box}body{margin:0;padding:0 1.25rem 3rem;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55;-webkit-text-size-adjust:100%}header,main{max-width:560px;margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:560px;margin:0 auto;padding:1rem 0 0}.brandbar{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:inherit}.accedi{flex:0 0 auto;padding:.45rem .95rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.82rem;font-weight:600;text-decoration:none}.brandbar .logo{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;font-size:.82rem;letter-spacing:.03em}.brandbar .bn{font-weight:700;font-size:.95rem}header{padding:2rem 0 1rem;text-align:center}header h1{margin:0;font-size:1.5rem;letter-spacing:-.02em}header p{margin:.5rem 0 0;color:var(--muted)}.form{display:flex;flex-direction:column;gap:1.5rem}.step h2{display:flex;align-items:center;gap:.55rem;margin:0 0 .2rem;font-size:1.05rem}.num{display:inline-flex;align-items:center;justify-content:center;width:1.55rem;height:1.55rem;border-radius:50%;background:var(--accent);color:var(--accent-text);font-size:.82rem;font-weight:700}.sub{margin:0 0 .8rem;color:var(--muted);font-size:.88rem}.sub.center{text-align:center}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;width:100%;min-height:200px;padding:1rem;border:2px dashed var(--border);border-radius:14px;background:var(--surface);color:var(--text);font:inherit;cursor:pointer}.drop.has{border-style:solid;padding:.5rem;min-height:0}.drop .ico{font-size:2.2rem}.drop strong{font-size:1rem}.drop img{max-width:100%;max-height:300px;border-radius:10px}button.link{display:block;margin:.5rem auto 0;padding:.35rem .8rem;border:0;background:none;color:var(--muted);font:inherit;font-size:.85rem;text-decoration:underline;cursor:pointer}fieldset{border:0;padding:0;margin:0 0 .9rem}legend{padding:0;margin-bottom:.4rem;font-size:.85rem;font-weight:600;color:var(--muted)}.chips{display:flex;flex-wrap:wrap;gap:.4rem}.chips button{padding:.6rem .9rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-size:.88rem;cursor:pointer}.chips button.on{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}.step input,.step textarea{width:100%;margin-bottom:.5rem;padding:.8rem .9rem;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font:inherit}.step textarea{resize:vertical}.step input.manca{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 5%,transparent)}.telefono{display:flex;gap:.5rem}.telefono select{flex:0 0 auto;padding:.85rem .5rem;border:1px solid var(--border);border-radius:10px;background:var(--bg-alt);color:var(--text);font:inherit}.telefono input{flex:1;min-width:0}.manca-nota{margin:-.2rem 0 .6rem;color:var(--bad);font-size:.84rem}button.send{width:100%;padding:1rem;border:0;border-radius:12px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:700;font-size:1.05rem;cursor:pointer}button.send:disabled{opacity:.45;cursor:default}.err{color:var(--bad);background:color-mix(in srgb,var(--bad) 8%,transparent);padding:.8rem 1rem;border-radius:10px;margin:0}.done{text-align:center;padding:2.5rem 0}.tick{width:4rem;height:4rem;margin:0 auto 1rem;border-radius:50%;background:var(--accent);color:var(--accent-text);font-size:2.2rem;line-height:4rem;font-weight:700}.done h2{margin:0 0 .4rem}.done p{color:var(--muted);max-width:40ch;margin:0 auto 1.5rem}.done button{padding:.7rem 1.3rem;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font:inherit;cursor:pointer}