*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:#f8f9fb;color:#111}
.container{max-width:720px;margin:0 auto;padding:0 16px}
.container.full{min-height:100vh;display:flex;flex-direction:column;justify-content:flex-start}
h1{font-size:24px;margin:16px 0}
.screen{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:16px;margin:12px 0;min-height:220px;display:flex;flex-direction:column;justify-content:flex-start}
label.block{display:block;margin:8px 0 6px;font-weight:600}
input[type="text"],input[type="number"],select,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:6px}
textarea{min-height:100px;resize:vertical}
.options{display:flex;flex-direction:column;gap:8px}
.option{padding:8px 10px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;display:flex;align-items:center;gap:8px}
.option input{margin:0}
.nav{display:flex;justify-content:space-between;gap:8px;margin:8px 0 16px}
button{padding:10px 16px;border:0;border-radius:6px;background:#111;color:#fff;cursor:pointer}
button:disabled{opacity:.6;cursor:not-allowed}
.error{color:#b91c1c;font-size:14px;margin-top:8px}
.notice{margin:8px 0 12px;padding:10px 12px;border-radius:6px;background:#eef2ff;border:1px solid #c7d2fe;color:#1e40af;display:none}
.footer{opacity:.7;font-size:12px;margin:16px 0}
.hint{font-size:13px;color:#475569;margin:-2px 0 8px}
.progress{font-size:13px;opacity:.75}