:root{--azul:#0f2a4a;--azul-claro:#1d4ed8;--tinta:#0b1220;--gris:#64748b;--gris-claro:#e2e8f0;--fondo:#f6f8fb;--panel:#fff;--verde:#047857;--verde-bg:#ecfdf5;--rojo:#b91c1c;--ambar:#b45309}*{box-sizing:border-box}body{background:var(--fondo);color:var(--tinta);margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55}.contenedor{max-width:880px;margin:0 auto;padding:32px 20px 64px}header h1{color:var(--azul);letter-spacing:-.01em;margin:0 0 4px;font-size:1.55rem}header p{color:var(--gris);margin:0}.banner-conf{background:var(--verde-bg);color:var(--verde);border:1px solid #a7f3d0;border-radius:10px;align-items:flex-start;gap:10px;margin:20px 0;padding:14px 16px;font-size:.92rem;display:flex}.estado{color:var(--gris);align-items:center;gap:8px;margin-bottom:18px;font-size:.85rem;display:inline-flex}.punto{background:var(--gris-claro);border-radius:50%;width:9px;height:9px}.punto.ok{background:var(--verde)}.punto.mal{background:var(--rojo)}.panel{background:var(--panel);border:1px solid var(--gris-claro);border-radius:12px;padding:22px;box-shadow:0 1px 2px #0f2a4a0a}.dropzone{border:2px dashed var(--gris-claro);text-align:center;color:var(--gris);cursor:pointer;border-radius:10px;padding:28px;transition:border-color .15s,background .15s}.dropzone:hover{border-color:var(--azul-claro);background:#f8faff}.dropzone.activo{border-color:var(--azul-claro);color:var(--azul);background:#eef4ff}.archivo-nombre{color:var(--tinta);margin-top:12px;font-weight:600}.opciones{flex-wrap:wrap;gap:18px;margin:18px 0;display:flex}.opciones label{cursor:pointer;align-items:center;gap:8px;font-size:.92rem;display:flex}button.analizar{background:var(--azul-claro);color:#fff;cursor:pointer;border:0;border-radius:9px;padding:12px 22px;font-size:.98rem;font-weight:600;transition:background .15s}button.analizar:hover:not(:disabled){background:#1742c4}button.analizar:disabled{cursor:not-allowed;background:#94a3b8}.cargando{color:var(--gris);align-items:center;gap:10px;margin-top:16px;font-size:.92rem;display:flex}.spinner{border:2px solid var(--gris-claro);border-top-color:var(--azul-claro);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite girar}@keyframes girar{to{transform:rotate(360deg)}}.resultado{margin-top:26px}.meta{color:var(--gris);flex-wrap:wrap;gap:18px;margin-bottom:18px;font-size:.82rem;display:flex}.meta b{color:var(--tinta)}.seccion{margin-bottom:22px}.seccion h3{color:var(--azul);border-bottom:1px solid var(--gris-claro);margin:0 0 8px;padding-bottom:6px;font-size:1.02rem}.seccion .cuerpo{white-space:pre-wrap;font-size:.93rem}.seccion.riesgos h3{color:var(--ambar)}.qa{margin-top:20px}.qa-titulo{color:var(--azul);margin:0 0 4px;font-size:1.02rem}.qa-ayuda{color:var(--gris);margin:0 0 16px;font-size:.86rem}.qa-item{border-left:3px solid var(--azul-claro);margin-bottom:16px;padding:4px 0 4px 14px}.qa-pregunta{color:var(--tinta);margin-bottom:6px;font-weight:600}.qa-respuesta{white-space:pre-wrap;font-size:.93rem}.qa-seg{color:var(--gris);margin-top:4px;font-size:.76rem}.qa-entrada{gap:10px;margin-top:8px;display:flex}.qa-entrada input{border:1px solid var(--gris-claro);border-radius:9px;flex:1;padding:11px 14px;font-family:inherit;font-size:.95rem}.qa-entrada input:focus{border-color:var(--azul-claro);outline:none}.error{color:var(--rojo);margin-top:14px;font-size:.92rem}.aviso{color:var(--verde);background:var(--verde-bg);border:1px solid #a7f3d0;border-radius:8px;margin-top:14px;padding:10px 12px;font-size:.9rem}footer{text-align:center;color:var(--gris);margin-top:40px;font-size:.8rem}.auth-card{max-width:420px;margin:24px auto}.auth-titulo{color:var(--azul);margin:0 0 4px;font-size:1.2rem}.auth-sub{color:var(--gris);margin:0 0 18px;font-size:.9rem}.auth-label{color:var(--tinta);margin-bottom:12px;font-size:.86rem;display:block}.auth-label input{border:1px solid var(--gris-claro);border-radius:9px;width:100%;margin-top:6px;padding:11px 14px;font-family:inherit;font-size:.95rem;display:block}.auth-label input:focus{border-color:var(--azul-claro);outline:none}.auth-btn{width:100%;margin-top:6px}.auth-toggle{text-align:center;color:var(--gris);margin-top:16px;font-size:.88rem}.auth-toggle button{color:var(--azul-claro);cursor:pointer;background:0 0;border:0;padding:0;font-size:.88rem;text-decoration:underline}.barra-sesion{justify-content:space-between;align-items:center;margin-bottom:18px;font-size:.85rem;display:flex}.barra-sesion .usuario{color:var(--gris)}.barra-acciones{gap:16px;display:flex}button.enlace{color:var(--azul-claro);cursor:pointer;background:0 0;border:0;padding:0;font-size:.85rem}button.enlace:hover{text-decoration:underline}.historial{margin-bottom:20px}.historial-cab{justify-content:space-between;align-items:center;display:flex}.historial-cab h3{color:var(--azul);margin:0;font-size:1.02rem}.historial-lista{margin:12px 0 0;padding:0;list-style:none}.historial-lista li{border-bottom:1px solid var(--gris-claro);align-items:center;gap:12px;padding:8px 0;font-size:.9rem;display:flex}.historial-doc{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.historial-fecha{color:var(--gris);white-space:nowrap;font-size:.82rem}.borrar-item{cursor:pointer;opacity:.6;background:0 0;border:0;border-radius:6px;padding:4px;font-size:1rem;line-height:1}.borrar-item:hover{opacity:1;background:#fde8e8}.resultado-cab{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.resultado-cab .meta{margin-bottom:0}button.descargar{color:var(--azul-claro);border:1px solid var(--azul-claro);cursor:pointer;white-space:nowrap;background:#fff;border-radius:9px;padding:9px 16px;font-size:.9rem;font-weight:600;transition:background .15s}button.descargar:hover{background:#eef4ff}