:root{--azul:#0b3d6b;--azul2:#12579b;--verde:#12805c;--verm:#c0392b;--fundo:#f4f7fb;--linha:#e2e8f0;--cinza:#64748b;--card:#fff;}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:"Segoe UI",system-ui,Arial,sans-serif;background:var(--fundo);color:#16202b}
.top{background:var(--azul);color:#fff;padding:16px 24px}
.brand{font-size:20px;font-weight:700}
.mark{background:#fff;color:var(--azul);padding:3px 9px;border-radius:6px;font-weight:800;margin-right:8px;font-size:15px}
.wrap{max-width:820px;margin:0 auto;padding:28px 20px}
.lead{font-size:15px;line-height:1.55;color:#334155}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.drop{background:var(--card);border:2px dashed #cbd5e1;border-radius:14px;padding:26px 18px;text-align:center;cursor:pointer;transition:.15s;display:block}
.drop:hover{border-color:var(--azul2)}
.drop.over{border-color:var(--azul2);background:#eaf2fb;transform:scale(1.01)}
.drop.ok{border-color:var(--verde);border-style:solid;background:#e6f5ef}
.drop-ico{font-size:30px}
.drop-t{font-weight:700;margin-top:6px}
.drop-s{font-size:12px;color:var(--cinza);margin-top:4px;word-break:break-all}
.opt{font-size:11px;color:#94a3b8;font-weight:400}
.row{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-top:8px}
.ctrl{display:flex;flex-direction:column;font-size:12px;color:var(--cinza);gap:4px;text-transform:uppercase;letter-spacing:.03em;font-weight:600}
.ctrl input{border:1px solid var(--linha);border-radius:8px;padding:9px 10px;font-size:15px}
.btn{background:var(--azul);color:#fff;border:0;border-radius:10px;padding:12px 26px;font-size:16px;font-weight:700;cursor:pointer;transition:.15s}
.btn:hover:not(:disabled){background:var(--azul2)}
.btn:disabled{background:#94a3b8;cursor:not-allowed}
.status{margin-top:20px;font-size:14px;line-height:1.5;min-height:20px}
.status.ok{background:#e6f5ef;border:1px solid #9ae0c4;color:#0a5c40;padding:12px 14px;border-radius:10px}
.status.err{background:#fdecea;border:1px solid #f5b3ab;color:#9c2418;padding:12px 14px;border-radius:10px}
.note{margin-top:22px;font-size:12px;color:var(--cinza);border-top:1px solid var(--linha);padding-top:14px}