/* Guías CFDI 4.0 y SAT - /cfdi/ */
:root {
    --cfdi-azul: #0052CC;
    --cfdi-azul-claro: #e8f0fe;
    --cfdi-oscuro: #1e293b;
    --cfdi-texto: #334155;
    --cfdi-gris: #64748b;
    --cfdi-borde: #e2e8f0;
    --cfdi-fondo: #f8fafc;
    --cfdi-verde: #16a34a;
    --cfdi-ambar: #b45309;
    --cfdi-rojo: #b91c1c;
}

.cfdi-wrap {
    max-width: 920px;
    margin: 0 auto;
    padding: 28px 16px 48px;
    color: var(--cfdi-texto);
    line-height: 1.7;
    font-size: 1.02rem;
}

/* Migas */
.cfdi-migas { font-size: .88rem; color: var(--cfdi-gris); margin-bottom: 18px; }
.cfdi-migas a { color: var(--cfdi-azul); text-decoration: none; }
.cfdi-migas a:hover { text-decoration: underline; }
.cfdi-migas span { margin: 0 4px; }

/* Encabezado */
.cfdi-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--cfdi-azul-claro); color: var(--cfdi-azul);
    padding: 5px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600;
}
.cfdi-encabezado h1, .cfdi-hub-encabezado h1 {
    color: var(--cfdi-oscuro); font-size: clamp(1.6rem, 3.6vw, 2.25rem);
    line-height: 1.25; margin: 14px 0 10px;
}
.cfdi-fecha { color: var(--cfdi-gris); font-size: .9rem; margin: 0 0 24px; }
.cfdi-hub-encabezado { margin-bottom: 32px; }
.cfdi-hub-encabezado p { font-size: 1.08rem; }

/* Respuesta rápida */
.cfdi-respuesta {
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
    border: 1px solid #bfdbfe; border-left: 5px solid var(--cfdi-azul);
    border-radius: 12px; padding: 18px 22px; margin: 0 0 28px;
}
.cfdi-respuesta-titulo { font-weight: 700; color: var(--cfdi-azul); margin-bottom: 6px; text-transform: uppercase; font-size: .85rem; letter-spacing: .04em; }
.cfdi-respuesta p { margin: 0; }

/* Índice */
.cfdi-indice { background: var(--cfdi-fondo); border: 1px solid var(--cfdi-borde); border-radius: 12px; padding: 16px 22px; margin-bottom: 32px; }
.cfdi-indice-titulo { font-weight: 700; color: var(--cfdi-oscuro); margin-bottom: 6px; }
.cfdi-indice ol { margin: 0; padding-left: 20px; }
.cfdi-indice a { color: var(--cfdi-azul); text-decoration: none; }
.cfdi-indice a:hover { text-decoration: underline; }

/* Cuerpo */
.cfdi-cuerpo h2, .cfdi-faq h2, .cfdi-relacionados h2, .cfdi-otras h2, .cfdi-hub-grupo h2 {
    color: var(--cfdi-oscuro); font-size: 1.45rem; margin: 40px 0 14px;
    padding-left: 14px; border-left: 4px solid var(--cfdi-azul); scroll-margin-top: 100px;
}
.cfdi-cuerpo h3 { color: var(--cfdi-oscuro); font-size: 1.15rem; margin: 26px 0 10px; }
.cfdi-cuerpo a { color: var(--cfdi-azul); }
.cfdi-cuerpo code, .cfdi-respuesta code {
    background: #f1f5f9; border: 1px solid var(--cfdi-borde); border-radius: 4px;
    padding: 1px 6px; font-size: .92em; color: #0f172a;
}
.cfdi-cuerpo kbd { background: #fff; border: 1px solid #cbd5e1; border-bottom-width: 2px; border-radius: 4px; padding: 0 6px; font-size: .9em; }

.cfdi-table-wrap { overflow-x: auto; margin: 16px 0 22px; -webkit-overflow-scrolling: touch; }
.cfdi-table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 480px; }
.cfdi-table th { background: var(--cfdi-oscuro); color: #fff; text-align: left; padding: 10px 12px; font-weight: 600; }
.cfdi-table td { padding: 10px 12px; border-bottom: 1px solid var(--cfdi-borde); vertical-align: top; }
.cfdi-table tr:nth-child(even) td { background: var(--cfdi-fondo); }
.cfdi-table tr.destacado td { background: var(--cfdi-azul-claro); }

.cfdi-steps { counter-reset: paso; list-style: none; padding-left: 0; margin: 14px 0 22px; }
.cfdi-steps > li { counter-increment: paso; position: relative; padding: 2px 0 12px 46px; }
.cfdi-steps > li::before {
    content: counter(paso); position: absolute; left: 0; top: 0;
    width: 30px; height: 30px; border-radius: 50%; background: var(--cfdi-azul); color: #fff;
    font-weight: 700; font-size: .9rem; display: flex; align-items: center; justify-content: center;
}
.cfdi-check { list-style: none; padding-left: 0; }
.cfdi-check li { position: relative; padding: 4px 0 8px 30px; }
.cfdi-check li::before { content: "\2713"; position: absolute; left: 4px; top: 4px; color: var(--cfdi-verde); font-weight: 700; }

.cfdi-error-msg {
    font-family: Consolas, "Courier New", monospace; font-size: .92rem;
    background: #fef2f2; color: var(--cfdi-rojo); border: 1px solid #fecaca;
    border-radius: 8px; padding: 12px 16px;
}
.cfdi-tip {
    display: flex; gap: 12px; align-items: flex-start;
    background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px;
    padding: 14px 18px; margin: 20px 0; color: #78350f;
}
.cfdi-tip > i { color: var(--cfdi-ambar); margin-top: 4px; }
.cfdi-nota { font-size: .92rem; color: var(--cfdi-gris); border-top: 1px dashed var(--cfdi-borde); padding-top: 12px; }

/* CTA */
.cfdi-cta {
    display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between;
    background: var(--cfdi-oscuro); color: #e2e8f0; border-radius: 16px; padding: 24px 26px; margin: 44px 0;
}
.cfdi-cta h2 { color: #fff; font-size: 1.3rem; margin: 0 0 6px; border: 0; padding: 0; }
.cfdi-cta p { margin: 0; }
.cfdi-cta-texto { flex: 1 1 320px; }
.cfdi-cta-botones { display: flex; flex-wrap: wrap; gap: 10px; }
.cfdi-btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px;
    border-radius: 10px; font-weight: 700; text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.cfdi-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0,0,0,.18); }
.cfdi-btn-primario { background: var(--cfdi-azul); color: #fff; }
.cfdi-btn-whatsapp { background: #25D366; color: #06381b; }

/* FAQ */
.cfdi-faq details {
    border: 1px solid var(--cfdi-borde); border-radius: 10px; margin-bottom: 10px; background: #fff;
}
.cfdi-faq summary {
    cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--cfdi-oscuro); list-style: none; position: relative; padding-right: 44px;
}
.cfdi-faq summary::-webkit-details-marker { display: none; }
.cfdi-faq summary::after { content: "+"; position: absolute; right: 18px; top: 10px; font-size: 1.4rem; color: var(--cfdi-azul); }
.cfdi-faq details[open] summary::after { content: "\2212"; }
.cfdi-faq details p { margin: 0; padding: 0 18px 16px; }

/* Relacionados */
.cfdi-relacionados ul { padding-left: 20px; }
.cfdi-relacionados li { margin-bottom: 6px; }
.cfdi-relacionados a, .cfdi-mas a { color: var(--cfdi-azul); }
.cfdi-mas { font-weight: 600; }

/* Tarjetas */
.cfdi-tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.cfdi-tarjeta {
    display: flex; flex-direction: column; gap: 8px; text-decoration: none;
    background: #fff; border: 1px solid var(--cfdi-borde); border-radius: 14px; padding: 18px;
    color: var(--cfdi-texto); transition: border-color .15s, box-shadow .15s, transform .15s;
}
.cfdi-tarjeta:hover { border-color: var(--cfdi-azul); box-shadow: 0 8px 24px rgba(0,82,204,.12); transform: translateY(-2px); }
.cfdi-tarjeta strong { color: var(--cfdi-oscuro); line-height: 1.35; }
.cfdi-tarjeta-cat { font-size: .8rem; color: var(--cfdi-azul); font-weight: 600; }
.cfdi-tarjeta-desc { font-size: .9rem; color: var(--cfdi-gris); line-height: 1.5; }
.cfdi-tarjeta-link { margin-top: auto; color: var(--cfdi-azul); font-weight: 600; font-size: .9rem; }

/* Hub */
.cfdi-hub-errores {
    display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
    background: var(--cfdi-fondo); border: 1px solid var(--cfdi-borde); border-radius: 16px; padding: 22px 24px; margin-top: 40px;
}
.cfdi-hub-errores h2 { font-size: 1.2rem; color: var(--cfdi-oscuro); margin: 0 0 4px; }
.cfdi-hub-errores p { margin: 0; }

.cfdi-404 ul { padding-left: 20px; }

@media (max-width: 640px) {
    .cfdi-wrap { padding-top: 20px; font-size: 1rem; }
    .cfdi-cta { padding: 20px; }
    .cfdi-btn { width: 100%; justify-content: center; }
    .cfdi-cta-botones { width: 100%; }
}