/* ============================
   CONTENT HUB — 3D Ricambi Assistenza
   CSS completo per i 6 componenti

   Palette: integrato con tema OptimizedCommerce
   --primary: #0BB38C (teal)
   --secondary: #1E293B (navy)
   ============================ */

:root {
    --ch-primary: #0BB38C;
    --ch-primary-dark: #078768;
    --ch-primary-light: #E6F9F4;
    --ch-secondary: #1E293B;
    --ch-success: #25D366;
    --ch-warning: #F59E0B;
    --ch-danger: #EF4444;
    --ch-gray-50: #F9FAFB;
    --ch-gray-100: #F3F4F6;
    --ch-gray-200: #E5E7EB;
    --ch-gray-300: #D1D5DB;
    --ch-gray-500: #6B7280;
    --ch-gray-600: #4B5563;
    --ch-gray-700: #374151;
    --ch-gray-800: #1F2937;
    --ch-gray-900: #111827;
    --ch-radius: 8px;
    --ch-radius-lg: 12px;
    --ch-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --ch-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --ch-font: 'Zalando Sans SemiExpanded', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ============================
   MAIN CONTAINER
   ============================ */
.ch-main {
    padding: 24px 0 48px;
}

.ch-guida {
    font-family: var(--ch-font);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--ch-gray-800);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.ch-guida h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ch-gray-900);
    line-height: 1.3;
    margin: 0 0 12px;
}

.ch-guida h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ch-secondary);
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

.ch-guida h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ch-gray-700);
    margin: 1.5rem 0 0.75rem;
}

.ch-guida p {
    margin: 0 0 1rem;
}

.ch-guida-intro {
    font-size: 1.125rem;
    color: var(--ch-gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.ch-guida-content {
    margin-bottom: 2rem;
}

/* ============================
   BREADCRUMB
   ============================ */
.ch-breadcrumb {
    margin-bottom: 1.5rem;
}

.ch-breadcrumb ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    font-size: 0.875rem;
    color: var(--ch-gray-500);
}

.ch-breadcrumb li {
    display: flex;
    align-items: center;
}

.ch-breadcrumb li:not(:last-child)::after {
    content: "›";
    margin: 0 8px;
    color: var(--ch-gray-300);
}

.ch-breadcrumb a {
    color: var(--ch-primary);
    text-decoration: none;
    min-height: auto;
    display: inline;
}

.ch-breadcrumb a:hover {
    text-decoration: underline;
}

.ch-breadcrumb [aria-current="page"] {
    color: var(--ch-gray-700);
    font-weight: 500;
}

/* ============================
   COMPONENTE 1 — TABELLA DIAGNOSTICA
   ============================ */
.ch-diagnostica {
    margin: 2rem 0;
}

.ch-diagnostica h2 {
    margin-top: 0;
}

.ch-diagnostica table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

.ch-diagnostica caption {
    text-align: left;
    font-size: 0.8125rem;
    color: var(--ch-gray-500);
    margin-bottom: 8px;
    font-style: italic;
}

.ch-diagnostica thead th {
    background: var(--ch-secondary);
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 12px 16px;
    text-align: left;
    border: none;
}

.ch-diagnostica thead th:first-child {
    border-radius: var(--ch-radius) 0 0 0;
}

.ch-diagnostica thead th:last-child {
    border-radius: 0 var(--ch-radius) 0 0;
}

.ch-diagnostica tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--ch-gray-200);
    font-size: 0.9375rem;
    vertical-align: top;
}

.ch-diagnostica tbody tr:last-child td {
    border-bottom: none;
}

.ch-diagnostica tbody tr:nth-child(even) {
    background: var(--ch-gray-50);
}

.ch-link-categoria {
    color: var(--ch-primary);
    font-weight: 600;
    text-decoration: none;
    display: inline;
    min-height: auto;
}

.ch-link-categoria:hover {
    color: var(--ch-primary-dark);
    text-decoration: underline;
}

.ch-diagnostica-nota {
    font-size: 0.8125rem;
    color: var(--ch-gray-500);
    margin-top: 8px;
    font-style: italic;
}

/* Desktop: >768px — tabella orizzontale standard */

/* Mobile: <768px — card stack */
@media (max-width: 768px) {
    .ch-diagnostica table,
    .ch-diagnostica thead,
    .ch-diagnostica tbody,
    .ch-diagnostica tr,
    .ch-diagnostica td {
        display: block;
        width: 100%;
    }

    .ch-diagnostica thead {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }

    .ch-diagnostica tbody tr {
        margin-bottom: 12px;
        border: 1px solid var(--ch-gray-200);
        border-radius: var(--ch-radius);
        padding: 16px;
        background: var(--ch-gray-50);
    }

    .ch-diagnostica tbody tr:nth-child(even) {
        background: #fff;
    }

    .ch-diagnostica tbody td {
        padding: 6px 0;
        border-bottom: none;
    }

    .ch-diagnostica tbody td::before {
        content: attr(data-label);
        display: block;
        font-weight: 700;
        font-size: 0.6875rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--ch-gray-500);
        margin-bottom: 2px;
    }
}

/* ============================
   COMPONENTE 2 — TABELLA CODICI PER MARCA
   ============================ */
.ch-codici-marca {
    margin: 2.5rem 0;
}

.ch-codici-marca table {
    width: 100%;
    border-collapse: collapse;
}

.ch-codici-marca caption {
    text-align: left;
    font-size: 0.8125rem;
    color: var(--ch-gray-500);
    margin-bottom: 8px;
    font-style: italic;
}

.ch-codici-marca thead th {
    background: var(--ch-secondary);
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 10px 14px;
    text-align: left;
}

.ch-codici-marca thead th:first-child {
    border-radius: var(--ch-radius) 0 0 0;
}

.ch-codici-marca thead th:last-child {
    border-radius: 0 var(--ch-radius) 0 0;
}

.ch-codici-marca tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--ch-gray-200);
    font-size: 0.9375rem;
}

.ch-codici-marca .ch-marca {
    font-weight: 700;
    color: var(--ch-gray-900);
}

.ch-codici-marca code {
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    background: var(--ch-gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    user-select: all;
    -webkit-user-select: all;
}

.ch-codice-pending {
    color: var(--ch-gray-500);
    font-style: italic;
    font-size: 0.875rem;
}

.ch-codice-empty {
    color: var(--ch-gray-300);
}

.ch-codici-nota {
    font-size: 0.875rem;
    color: var(--ch-gray-600);
    background: var(--ch-primary-light);
    border-left: 4px solid var(--ch-primary);
    padding: 12px 16px;
    border-radius: 0 var(--ch-radius) var(--ch-radius) 0;
    margin-top: 12px;
}

.ch-codici-nota a {
    color: var(--ch-primary-dark);
    font-weight: 600;
    text-decoration: none;
    min-height: auto;
    display: inline;
}

.ch-codici-nota a:hover {
    text-decoration: underline;
}

/* Mobile: card per marca */
@media (max-width: 768px) {
    .ch-codici-marca table,
    .ch-codici-marca thead,
    .ch-codici-marca tbody,
    .ch-codici-marca tr,
    .ch-codici-marca td {
        display: block;
        width: 100%;
    }

    .ch-codici-marca thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .ch-codici-marca tbody tr {
        margin-bottom: 12px;
        border: 1px solid var(--ch-gray-200);
        border-radius: var(--ch-radius);
        overflow: hidden;
    }

    .ch-codici-marca td.ch-marca {
        background: var(--ch-secondary);
        color: #fff;
        font-weight: 700;
        padding: 10px 16px;
        font-size: 1rem;
        border-bottom: none;
    }

    .ch-codici-marca td.ch-marca::before {
        display: none;
    }

    .ch-codici-marca td:not(.ch-marca) {
        padding: 8px 16px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid var(--ch-gray-100);
    }

    .ch-codici-marca td:not(.ch-marca):last-child {
        border-bottom: none;
    }

    .ch-codici-marca td:not(.ch-marca)::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--ch-gray-600);
        font-size: 0.875rem;
        flex-shrink: 0;
        margin-right: 12px;
    }
}

/* ============================
   COMPONENTE 3 — SEZIONE CAUSA
   ============================ */
.ch-causa {
    margin: 2.5rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--ch-gray-200);
}

.ch-causa:last-of-type {
    border-bottom: none;
}

.ch-causa-descrizione {
    color: var(--ch-gray-700);
}

.ch-causa-verifica ol {
    padding-left: 1.25rem;
    margin: 0.5rem 0 1rem;
}

.ch-causa-verifica li {
    margin-bottom: 0.5rem;
    color: var(--ch-gray-700);
    line-height: 1.6;
}

.ch-nota-sicurezza {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    border-left: 4px solid var(--ch-warning);
    border-radius: 0 var(--ch-radius) var(--ch-radius) 0;
    padding: 12px 16px;
    margin: 1rem 0;
    font-size: 0.9375rem;
    color: #92400E;
}

.ch-causa-cta {
    margin-top: 1.25rem;
}

.ch-btn-ricambio {
    display: inline-block;
    background: var(--ch-primary);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--ch-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, box-shadow 0.2s;
    min-height: 44px;
    line-height: 1.4;
}

.ch-btn-ricambio:hover {
    background: var(--ch-primary-dark);
    box-shadow: var(--ch-shadow-md);
    color: #fff;
}

@media (max-width: 768px) {
    .ch-btn-ricambio {
        display: block;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        min-height: 48px;
    }
}

/* ============================
   COMPONENTE 4 — FAQ ACCORDION
   ============================ */
.ch-faq {
    margin: 2.5rem 0;
}

.ch-faq-item {
    border: 1px solid var(--ch-gray-200);
    border-radius: var(--ch-radius);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.ch-faq-item:hover {
    border-color: var(--ch-gray-300);
}

.ch-faq-item[open] {
    border-color: var(--ch-primary);
}

.ch-faq-item summary {
    padding: 14px 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    line-height: 1.4;
    min-height: 44px;
    color: var(--ch-gray-800);
    background: #fff;
    transition: background 0.2s;
    gap: 12px;
}

.ch-faq-item summary:hover {
    background: var(--ch-gray-50);
}

.ch-faq-item summary::after {
    content: "+";
    font-size: 1.375rem;
    font-weight: 300;
    color: var(--ch-primary);
    flex-shrink: 0;
    line-height: 1;
}

.ch-faq-item[open] summary::after {
    content: "\2212"; /* minus sign */
}

.ch-faq-item summary::-webkit-details-marker {
    display: none;
}

.ch-faq-item summary::marker {
    display: none;
    content: "";
}

.ch-faq-risposta {
    padding: 0 20px 16px;
    color: var(--ch-gray-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.ch-faq-risposta p:last-child {
    margin-bottom: 0;
}

/* ============================
   COMPONENTE 5 — CTA WHATSAPP
   ============================ */
.ch-cta-whatsapp {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #F0FFF4;
    border: 1px solid #C6F6D5;
    border-left: 4px solid var(--ch-success);
    border-radius: 0 var(--ch-radius-lg) var(--ch-radius-lg) 0;
    padding: 20px 24px;
    margin: 2rem 0;
}

.ch-cta-icona {
    font-size: 2rem;
    flex-shrink: 0;
    line-height: 1;
}

.ch-cta-titolo {
    margin: 0 0 4px;
    font-size: 1.0625rem;
    color: var(--ch-gray-900);
}

.ch-cta-testo {
    margin: 0 0 12px;
    font-size: 0.9375rem;
    color: var(--ch-gray-600);
}

.ch-btn-whatsapp {
    display: inline-block;
    background: var(--ch-success);
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--ch-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    min-height: 44px;
    transition: background 0.2s, box-shadow 0.2s;
    line-height: 1.4;
}

.ch-btn-whatsapp:hover {
    background: #1DB954;
    box-shadow: var(--ch-shadow-md);
    color: #fff;
}

@media (max-width: 768px) {
    .ch-cta-whatsapp {
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
    }

    .ch-btn-whatsapp {
        display: block;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        min-height: 48px;
    }
}

/* ============================
   COMPONENTE 6 — CORRELATI
   ============================ */
.ch-correlati {
    margin: 2.5rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--ch-gray-200);
}

.ch-correlati-lista {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.ch-correlati-lista li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--ch-gray-50);
    border: 1px solid var(--ch-gray-200);
    border-radius: var(--ch-radius);
    text-decoration: none;
    color: var(--ch-gray-800);
    font-size: 0.9375rem;
    min-height: 44px;
    transition: border-color 0.2s, background 0.2s;
    gap: 8px;
}

.ch-correlati-lista li a:hover {
    border-color: var(--ch-primary);
    background: var(--ch-primary-light);
}

.ch-correlati-titolo {
    font-weight: 500;
    flex: 1;
}

.ch-correlati-freccia {
    color: var(--ch-primary);
    font-weight: 600;
    flex-shrink: 0;
}

.ch-correlati-hub {
    margin-top: 16px;
}

.ch-correlati-hub a {
    color: var(--ch-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    min-height: auto;
    display: inline;
}

.ch-correlati-hub a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .ch-correlati-lista {
        grid-template-columns: 1fr;
    }
}

/* ============================
   ARCHIVE / HUB GRID
   ============================ */
.ch-archive-header {
    margin-bottom: 2rem;
}

.ch-archive-intro {
    font-size: 1.0625rem;
    color: var(--ch-gray-600);
    line-height: 1.7;
}

.ch-hub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 3rem;
}

.ch-hub-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px 20px;
    background: #fff;
    border: 1px solid var(--ch-gray-200);
    border-radius: var(--ch-radius-lg);
    text-decoration: none;
    color: var(--ch-gray-800);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    min-height: 44px;
    text-align: center;
    gap: 6px;
}

.ch-hub-card:hover {
    border-color: var(--ch-primary);
    box-shadow: var(--ch-shadow-md);
    transform: translateY(-2px);
}

.ch-hub-card:active {
    transform: translateY(0);
    box-shadow: var(--ch-shadow);
}

.ch-hub-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ch-primary);
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.ch-hub-card-icon svg {
    width: 100%;
    height: 100%;
}

.ch-hub-card-name {
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.3;
}

.ch-hub-card-count {
    font-size: 0.75rem;
    color: var(--ch-gray-500);
}

@media (max-width: 768px) {
    .ch-hub-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .ch-hub-card {
        padding: 16px 10px 14px;
        gap: 4px;
    }

    .ch-hub-card-icon {
        width: 40px;
        height: 40px;
    }

    .ch-hub-card-name {
        font-size: 0.8125rem;
    }

    .ch-hub-card-count {
        font-size: 0.6875rem;
    }
}

@media (max-width: 380px) {
    .ch-hub-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .ch-hub-card {
        padding: 14px 8px 12px;
    }

    .ch-hub-card-icon {
        width: 36px;
        height: 36px;
    }
}

/* Hub section grouping */
.ch-hub-section {
    margin-bottom: 2rem;
}

.ch-hub-section h2 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.ch-archive-recent {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--ch-gray-200);
}

.ch-landing-content ul {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ch-landing-content ul li a {
    display: block;
    padding: 12px 16px;
    background: var(--ch-gray-50);
    border: 1px solid var(--ch-gray-200);
    border-radius: var(--ch-radius);
    text-decoration: none;
    color: var(--ch-gray-800);
    font-size: 0.9375rem;
    font-weight: 500;
    min-height: 44px;
    transition: border-color 0.2s, background 0.2s;
}

.ch-landing-content ul li a:hover {
    border-color: var(--ch-primary);
    background: var(--ch-primary-light);
    color: var(--ch-primary-dark);
}

/* ============================
   GLOBAL: Touch targets & links
   ============================ */
.ch-guida a {
    min-height: auto;
    display: inline;
}

/* Mobile font base */
@media (max-width: 768px) {
    .ch-guida {
        font-size: 16px;
    }

    .ch-guida h1 {
        font-size: 1.625rem;
    }

    .ch-guida h2 {
        font-size: 1.25rem;
        margin-top: 2rem;
    }
}