/* ============================================================================
   ANDERCODE — GENERADORES QR / CÓDIGOS DE BARRAS
   Mejora visual sin alterar la lógica JavaScript existente.
============================================================================ */

:root {
    --tool-primary: #7c3aed;
    --tool-primary-dark: #5b21b6;
    --tool-primary-soft: #f5f0ff;
    --tool-ink: #18181b;
    --tool-muted: #6b6875;
    --tool-border: #e9e5f0;
    --tool-soft: #faf9fc;
    --tool-dark: #17141f;
    --tool-radius-lg: 28px;
    --tool-radius-md: 20px;
    --tool-shadow: 0 18px 50px rgba(35, 26, 54, .08);
    --tool-shadow-hover: 0 24px 65px rgba(35, 26, 54, .13);
}

main:has(#qrTabs),
main:has(#barcodeTabs) {
    max-width: none !important;
    padding: 0 !important;
    color: var(--tool-ink);
    background: #fff;
}

main:has(#qrTabs) h1,
main:has(#qrTabs) h2,
main:has(#qrTabs) h3,
main:has(#qrTabs) h4,
main:has(#qrTabs) h5,
main:has(#barcodeTabs) h1,
main:has(#barcodeTabs) h2,
main:has(#barcodeTabs) h3,
main:has(#barcodeTabs) h4,
main:has(#barcodeTabs) h5 {
    border: 0;
    padding-left: 0;
}

/* HERO + WORKSPACE -------------------------------------------------------- */
main:has(#qrTabs) > section:first-of-type,
main:has(#barcodeTabs) > section:first-of-type {
    position: relative;
    padding: 5.75rem 0 5rem !important;
    overflow: hidden;
    background:
        radial-gradient(circle at 88% 8%, rgba(124, 58, 237, .18), transparent 28%),
        radial-gradient(circle at 8% 90%, rgba(99, 102, 241, .09), transparent 30%),
        linear-gradient(180deg, #fbfaff 0%, #ffffff 52%, #faf9fc 100%);
    border-bottom: 1px solid rgba(124, 58, 237, .08);
}

main:has(#qrTabs) > section:first-of-type::after,
main:has(#barcodeTabs) > section:first-of-type::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -190px;
    top: -180px;
    border-radius: 50%;
    border: 1px solid rgba(124, 58, 237, .10);
    pointer-events: none;
}

main:has(#qrTabs) > section:first-of-type h1,
main:has(#barcodeTabs) > section:first-of-type h1 {
    max-width: 960px;
    margin: 0 auto 1rem !important;
    text-align: center;
    font-size: clamp(2.5rem, 6vw, 4.6rem);
    line-height: 1;
    letter-spacing: -.055em;
    font-weight: 900 !important;
}

main:has(#qrTabs) > section:first-of-type .container > p:first-of-type,
main:has(#barcodeTabs) > section:first-of-type .container > p:first-of-type {
    max-width: 760px;
    margin: 0 auto 3.2rem !important;
    text-align: center;
    color: var(--tool-muted) !important;
    font-size: 1.08rem;
    line-height: 1.75;
}

main:has(#qrTabs) > section:first-of-type .row.g-4,
main:has(#barcodeTabs) > section:first-of-type .row.g-4 {
    position: relative;
    z-index: 1;
    align-items: flex-start;
}

/* PANEL PRINCIPAL --------------------------------------------------------- */
main:has(#qrTabs) #qrTabs,
main:has(#barcodeTabs) #barcodeTabs {
    display: flex;
    flex-wrap: nowrap;
    gap: .5rem;
    padding: .65rem;
    margin-bottom: 1rem !important;
    overflow-x: auto;
    scrollbar-width: thin;
    border: 1px solid var(--tool-border);
    border-radius: 18px;
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 12px 32px rgba(35, 26, 54, .055);
}

main:has(#qrTabs) #qrTabs .nav-item,
main:has(#barcodeTabs) #barcodeTabs .nav-item {
    flex: 0 0 auto;
}

main:has(#qrTabs) #qrTabs .nav-link,
main:has(#barcodeTabs) #barcodeTabs .nav-link {
    min-height: 42px;
    padding: .62rem .85rem;
    white-space: nowrap;
    border: 0 !important;
    border-radius: 12px;
    color: #625e69;
    background: transparent;
    font-size: .84rem;
    font-weight: 750;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

main:has(#qrTabs) #qrTabs .nav-link:hover,
main:has(#barcodeTabs) #barcodeTabs .nav-link:hover {
    color: var(--tool-primary);
    background: var(--tool-primary-soft);
}

main:has(#qrTabs) #qrTabs .nav-link.active,
main:has(#barcodeTabs) #barcodeTabs .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--tool-primary), var(--tool-primary-dark));
    box-shadow: 0 10px 24px rgba(124, 58, 237, .22);
}

main:has(#qrTabs) #qrFormContent,
main:has(#barcodeTabs) #barcodeFormContent {
    min-height: 126px;
    padding: 1.5rem;
    border-radius: var(--tool-radius-md);
    background: #fff;
    border: 1px solid var(--tool-border);
    box-shadow: 0 12px 38px rgba(35, 26, 54, .05);
}

main:has(#qrTabs) #qrFormContent label,
main:has(#barcodeTabs) #barcodeFormContent label,
main:has(#qrTabs) .accordion-body label,
main:has(#barcodeTabs) .accordion-body label {
    margin-bottom: .45rem !important;
    color: #3f3b46;
    font-size: .88rem;
    font-weight: 750 !important;
}

main:has(#qrTabs) .form-control,
main:has(#qrTabs) .form-select,
main:has(#barcodeTabs) .form-control,
main:has(#barcodeTabs) .form-select {
    min-height: 46px;
    border-color: var(--tool-border);
    border-radius: 12px;
    box-shadow: none;
}

main:has(#qrTabs) textarea.form-control,
main:has(#barcodeTabs) textarea.form-control {
    min-height: auto;
}

main:has(#qrTabs) .form-control:focus,
main:has(#qrTabs) .form-select:focus,
main:has(#barcodeTabs) .form-control:focus,
main:has(#barcodeTabs) .form-select:focus {
    border-color: rgba(124, 58, 237, .48);
    box-shadow: 0 0 0 .2rem rgba(124, 58, 237, .08);
}

/* ACCORDIONS -------------------------------------------------------------- */
main:has(#qrTabs) #qrAccordion,
main:has(#barcodeTabs) #barcodeAccordion {
    overflow: hidden;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-md);
    background: #fff;
    box-shadow: 0 12px 38px rgba(35, 26, 54, .045);
}

main:has(#qrTabs) #qrAccordion .accordion-item,
main:has(#barcodeTabs) #barcodeAccordion .accordion-item {
    border: 0;
    border-bottom: 1px solid var(--tool-border);
}

main:has(#qrTabs) #qrAccordion .accordion-item:last-child,
main:has(#barcodeTabs) #barcodeAccordion .accordion-item:last-child {
    border-bottom: 0;
}

main:has(#qrTabs) #qrAccordion .accordion-button,
main:has(#barcodeTabs) #barcodeAccordion .accordion-button {
    padding: 1rem 1.2rem;
    color: #35313c;
    background: #fff;
    font-weight: 800;
    box-shadow: none;
}

main:has(#qrTabs) #qrAccordion .accordion-button:not(.collapsed),
main:has(#barcodeTabs) #barcodeAccordion .accordion-button:not(.collapsed) {
    color: var(--tool-primary-dark);
    background: var(--tool-primary-soft);
}

/* PREVIEW ----------------------------------------------------------------- */
main:has(#qrTabs) #qrPreview,
main:has(#barcodeTabs) #barcodeContainer {
    border-radius: 18px;
    background:
        linear-gradient(#fff, #fff) padding-box,
        linear-gradient(135deg, rgba(124, 58, 237, .22), rgba(99, 102, 241, .08)) border-box;
}

main:has(#qrTabs) .col-md-4.text-center > .p-4,
main:has(#barcodeTabs) .col-md-5 > .p-4 {
    position: sticky;
    top: 105px;
    overflow: hidden;
    padding: 1.5rem !important;
    border: 1px solid var(--tool-border) !important;
    border-radius: 24px !important;
    background: rgba(255, 255, 255, .94) !important;
    box-shadow: var(--tool-shadow) !important;
    backdrop-filter: blur(10px);
}

main:has(#qrTabs) #qrDownload,
main:has(#barcodeTabs) #downloadPng {
    min-height: 48px;
    border: 0;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--tool-primary), var(--tool-primary-dark));
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(124, 58, 237, .20);
}

main:has(#barcodeTabs) #downloadSvg {
    min-height: 48px;
    border-radius: 13px;
    border-color: rgba(124, 58, 237, .25);
    color: var(--tool-primary);
    font-weight: 800;
}

/* CONTENIDO SEO ----------------------------------------------------------- */
main:has(#qrTabs) > section:not(:first-of-type),
main:has(#barcodeTabs) > section:not(:first-of-type) {
    padding: 5rem 0 !important;
}

main:has(#qrTabs) > section:nth-of-type(even),
main:has(#barcodeTabs) > section:nth-of-type(even) {
    background: var(--tool-soft) !important;
}

main:has(#qrTabs) > section:not(:first-of-type) h2,
main:has(#barcodeTabs) > section:not(:first-of-type) h2 {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.06;
    letter-spacing: -.04em;
    font-weight: 900 !important;
}

main:has(#qrTabs) > section:not(:first-of-type) .lead,
main:has(#barcodeTabs) > section:not(:first-of-type) .lead {
    max-width: 940px;
    margin-left: auto;
    margin-right: auto;
    color: var(--tool-muted) !important;
    line-height: 1.8;
}

main:has(#qrTabs) > section .card,
main:has(#barcodeTabs) > section .card {
    overflow: hidden;
    border: 1px solid var(--tool-border) !important;
    border-radius: var(--tool-radius-md) !important;
    background: #fff;
    box-shadow: 0 10px 32px rgba(35, 26, 54, .045) !important;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

main:has(#qrTabs) > section .card:hover,
main:has(#barcodeTabs) > section .card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, .22) !important;
    box-shadow: var(--tool-shadow-hover) !important;
}

main:has(#qrTabs) > section .card-body,
main:has(#barcodeTabs) > section .card-body {
    padding: 1.55rem;
}

main:has(#qrTabs) > section .card-body i,
main:has(#barcodeTabs) > section .card-body i {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: var(--tool-primary-soft);
    color: var(--tool-primary) !important;
    font-size: 1.2rem !important;
}

main:has(#qrTabs) > section .card-body h5,
main:has(#barcodeTabs) > section .card-body h5 {
    margin-top: .85rem;
    font-size: 1.05rem;
}

main:has(#qrTabs) > section .card-body p,
main:has(#barcodeTabs) > section .card-body p {
    line-height: 1.7;
}

/* FAQ --------------------------------------------------------------------- */
main:has(#qrTabs) #faqAccordion,
main:has(#barcodeTabs) #faqBarcode {
    max-width: 980px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--tool-border);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--tool-shadow);
}

main:has(#qrTabs) #faqAccordion .accordion-item,
main:has(#barcodeTabs) #faqBarcode .accordion-item {
    border: 0;
    border-bottom: 1px solid var(--tool-border);
}

main:has(#qrTabs) #faqAccordion .accordion-item:last-child,
main:has(#barcodeTabs) #faqBarcode .accordion-item:last-child {
    border-bottom: 0;
}

main:has(#qrTabs) #faqAccordion .accordion-button,
main:has(#barcodeTabs) #faqBarcode .accordion-button {
    padding: 1.1rem 1.25rem;
    color: var(--tool-ink);
    background: #fff;
    font-weight: 800;
    box-shadow: none;
}

main:has(#qrTabs) #faqAccordion .accordion-button:not(.collapsed),
main:has(#barcodeTabs) #faqBarcode .accordion-button:not(.collapsed) {
    color: var(--tool-primary-dark);
    background: var(--tool-primary-soft);
}

main:has(#qrTabs) #faqAccordion .accordion-body,
main:has(#barcodeTabs) #faqBarcode .accordion-body {
    color: var(--tool-muted);
    line-height: 1.75;
}

@media (max-width: 991.98px) {
    main:has(#qrTabs) > section:first-of-type,
    main:has(#barcodeTabs) > section:first-of-type {
        padding-top: 4.5rem !important;
    }

    main:has(#qrTabs) .col-md-4.text-center > .p-4,
    main:has(#barcodeTabs) .col-md-5 > .p-4 {
        position: static;
    }
}

@media (max-width: 767.98px) {
    main:has(#qrTabs) > section:first-of-type,
    main:has(#barcodeTabs) > section:first-of-type {
        padding: 3.75rem 0 !important;
    }

    main:has(#qrTabs) > section:first-of-type h1,
    main:has(#barcodeTabs) > section:first-of-type h1 {
        font-size: clamp(2.4rem, 12vw, 3.5rem);
    }

    main:has(#qrTabs) #qrFormContent,
    main:has(#barcodeTabs) #barcodeFormContent {
        padding: 1.15rem;
    }

    main:has(#qrTabs) > section:not(:first-of-type),
    main:has(#barcodeTabs) > section:not(:first-of-type) {
        padding: 3.75rem 0 !important;
    }
}