:root {

    --bg: #f4f7fb;

    --surface: #ffffff;

    --surface-2: #eef3fb;

    --surface-3: #e2ebf8;

    --text: #172033;

    --muted: #647089;

    --border: #d8e1f0;

    --primary: #3554d1;

    --primary-contrast: #ffffff;

    --success: #15803d;

    --danger: #c62828;

    --warning: #f59e0b;

    --shadow: 0 10px 24px rgba(14, 24, 43, .08);

    --radius: 18px;

}



:root[data-theme=dark] {

    --bg: #0d1424;

    --surface: #141d31;

    --surface-2: #1b2740;

    --surface-3: #243350;

    --text: #edf2ff;

    --muted: #9daccc;

    --border: #2a3859;

    --primary: #7ea2ff;

    --primary-contrast: #0f1830;

    --success: #4ade80;

    --danger: #ff8f8f;

    --warning: #fbbf24;

    --shadow: 0 12px 28px rgba(0, 0, 0, .24);

    --radius: 18px;

}



*,

*::before,

*::after {

    box-sizing: border-box;

}



html,

body {

    margin: 0;

    padding: 0;

    width: 100%;

}



body {

    font-family: Segoe UI, Arial, sans-serif;

    background: linear-gradient(180deg, var(--surface-2) 0, var(--bg) 160px);

    color: var(--text);

    line-height: 1.5;

}



a {

    color: var(--primary);

    text-decoration: none;

}



a:hover {

    text-decoration: underline;

}



img,

table,

iframe,

video,

embed,

object {

    max-width: 100%;

    height: auto;

}



/* testo lungo: solo sugli elementi testuali veri */

h1, h2, h3, h4, p, td, th {

    overflow-wrap: break-word;

}



/* elementi che NON devono rompersi */

a,

span,

.btn,

.sidebar-link,

.badge,

.pill,

.meta-label,

.meta-value,

.kpi-label,

.kpi-value {

    overflow-wrap: normal;

    word-break: normal;

}



.container {

    width: 100%;

    max-width: 1180px;

    margin: 0 auto;

    padding-left: 16px;

    padding-right: 16px;

}



/* =========================

   HEADER

========================= */



.site-header {

    position: static;

    background: rgba(255, 255, 255, .96);

    border-bottom: 1px solid var(--border);

    box-shadow: 0 4px 14px rgba(14, 24, 43, .04);

}



:root[data-theme=dark] .site-header {

    background: rgba(20, 29, 49, .96);

}



.site-header .container {

    padding-left: 16px;

    padding-right: 16px;

}



.header-inner {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 18px;

    padding: 18px 0;

    min-width: 0;

}



.header-inner > div {

    min-width: 0;

}



.brand {

    display: inline-block;

    font-size: 1.7rem;

    font-weight: 800;

    letter-spacing: .2px;

    color: var(--text);

}



.brand:hover {

    text-decoration: none;

}



.brand-subtitle {

    color: var(--muted);

    font-size: .95rem;

    margin-top: 4px;

}



.theme-toggle {

    border: 1px solid var(--border);

    background: var(--surface);

    color: var(--text);

    border-radius: 999px;

    padding: 10px 16px;

    font-weight: 700;

    cursor: pointer;

    box-shadow: none;

    min-width: 132px;

    white-space: nowrap;

    flex-shrink: 0;

}



.theme-toggle:hover {

    text-decoration: none;

    background: var(--surface-2);

}



/* =========================

   LAYOUT PRINCIPALE

========================= */



.page-shell {

    display: flex;

    flex-direction: column;

    gap: 20px;

    padding: 22px 0 40px;

    min-width: 0;

}



.page-shell > * {

    min-width: 0;

}



.card {

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    box-shadow: var(--shadow);

}



/* =========================

   MENU ORIZZONTALE

========================= */



.sidebar {

    padding: 16px 18px;

    align-self: stretch;

    position: static;

    min-width: 0;

    width: 100%;

    border-radius: 18px;

    background: var(--surface);

    overflow: visible;

}



.sidebar-title {

    font-size: .88rem;

    font-weight: 800;

    margin: 0 0 10px;

    text-transform: uppercase;

    letter-spacing: .08em;

    color: var(--muted);

}



.sidebar-nav {

    display: flex;

    flex-direction: row;

    gap: 10px;

    min-width: 0;

    flex-wrap: wrap;

    align-items: center;

}



.sidebar-link {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 11px 18px;

    min-height: 44px;

    border-radius: 999px;

    background: transparent;

    color: var(--text);

    font-weight: 700;

    border: 1px solid var(--border);

    white-space: nowrap;

    transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;

    flex-shrink: 0;

}



.sidebar-link:hover {

    text-decoration: none;

    border-color: var(--primary);

    background: var(--surface-2);

    color: var(--primary);

}



.sidebar-link.active {

    background: var(--primary);

    color: var(--primary-contrast);

    border-color: var(--primary);

}



.sidebar-link.disabled {

    opacity: .7;

    cursor: default;

}



.sidebar-meta {

    margin-top: 16px;

    padding-top: 16px;

    border-top: 1px solid var(--border);

    display: flex;

    flex-wrap: wrap;

    gap: 14px;

}



.sidebar-meta-row {

    margin-bottom: 0;

    padding: 12px 14px;

    border: 1px solid var(--border);

    border-radius: 14px;

    background: var(--surface-2);

    min-width: 220px;

    flex: 1 1 240px;

}



.meta-label {

    display: block;

    color: var(--muted);

    font-size: .84rem;

    margin-bottom: 4px;

}



.meta-value {

    display: block;

    font-weight: 700;

    margin-top: 0;

}



/* =========================

   CONTENUTO

========================= */



.content-area {

    display: grid;

    grid-template-columns: minmax(0, 1fr);

    gap: 20px;

    align-items: start;

    min-width: 0;

}



.content {

    min-width: 0;

    width: 100%;

}



.page-ad-sidebar {

    min-width: 0;

}



.page-ad-box {

    padding: 18px;

    position: static;

}



.page-ad-box .ad-box-label {

    margin-bottom: 12px;

}



.page-ad-box .ad-box-content {

    min-height: 280px;

}



.hero {

    padding: 30px;

    margin-bottom: 24px;

    min-width: 0;

    border-radius: 22px;

    background: var(--surface);

}



.hero h1 {

    margin: 0 0 10px;

    font-size: clamp(1.8rem, 3vw, 2.4rem);

    line-height: 1.15;

}



.hero p {

    margin: 0;

    color: var(--muted);

    max-width: 820px;

    font-size: 1.02rem;

}



.hero.hero-wide-media p,

.hero .hero-lead {

    max-width: none;

    padding: 5px 0;

}



.materia-image-box,

.home-image-box {

    margin-top: 22px;

    border-radius: 18px;

    overflow: hidden;

    border: 1px solid var(--border);

    background: var(--surface-2);

}



.materia-cover {

    display: block;

    width: 100%;

    height: auto;

    max-height: 360px;

    object-fit: cover;

}



.home-cover {

    display: block;

    width: 100%;

    height: auto;

    max-height: 420px;

    object-fit: cover;

}



.grid {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));

    gap: 18px;

    min-width: 0;

}



.tile,

.panel {

    padding: 22px;

    min-width: 0;

    border-radius: 20px;

}



.tile h2,

.panel h2,

.section-title {

    margin: 0 0 10px;

    font-size: 1.2rem;

}



.tile p,

.panel p {

    color: var(--muted);

}



.actions {

    display: flex;

    flex-wrap: wrap;

    gap: 10px;

    margin-top: 16px;

    min-width: 0;

    align-items: center;

}



.btn,

button.btn {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    border: 1px solid transparent;

    border-radius: 12px;

    padding: 11px 16px;

    font-weight: 800;

    cursor: pointer;

    transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;

    max-width: 100%;

    min-height: 44px;

    width: auto;

    min-width: max-content;

    white-space: nowrap;

    flex-shrink: 0;

    text-align: center;

}



.btn:hover,

button.btn:hover {

    text-decoration: none;

}



.btn-primary {

    background: var(--primary);

    color: var(--primary-contrast);

    box-shadow: none;

}



.btn-primary:hover {

    filter: brightness(.98);

}



.btn-secondary {

    background: var(--surface-2);

    color: var(--text);

    border-color: var(--border);

}



.btn-success {

    background: var(--success);

    color: #fff;

}



.btn-danger {

    background: var(--danger);

    color: #fff;

}



/* =========================

   LISTE

========================= */



.list {

    display: grid;

    gap: 14px;

    min-width: 0;

}



.list-item {

    display: flex;

    justify-content: space-between;

    align-items: start;

    gap: 18px;

    padding: 18px 20px;

    border: 1px solid var(--border);

    border-radius: 16px;

    background: var(--surface);

    min-width: 0;

    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;

}



.list-item:hover {

    border-color: var(--border);

    box-shadow: var(--shadow);

}



.list-item > div {

    min-width: 0;

}



.list-item h3 {

    margin: 0 0 6px;

    font-size: 1.05rem;

}



.list-item p {

    margin: 0;

    color: var(--muted);

}



/* =========================

   KPI

========================= */



.kpis {

    display: flex;

    flex-wrap: wrap;

    gap: 12px;

    margin-top: 18px;

    min-width: 0;

}



.kpi {

    min-width: 140px;

    padding: 16px 18px;

    border-radius: 16px;

    background: var(--surface-2);

    border: 1px solid var(--border);

}



.kpi-label {

    color: var(--muted);

    font-size: .86rem;

    white-space: nowrap;

}



.kpi-value {

    font-size: 1.2rem;

    font-weight: 800;

    margin-top: 4px;

    white-space: nowrap;

}



/* =========================

   QUIZ

========================= */



.quiz-header {

    padding: 20px 24px;

    margin-bottom: 18px;

    position: static;

    min-width: 0;

    border-radius: 20px;

    overflow: visible;

}



.quiz-header-top {

    display: flex;

    justify-content: space-between;

    gap: 16px;

    align-items: start;

    min-width: 0;

}



.quiz-header-top > div {

    min-width: 0;

}



.progress-block {

    margin-top: 16px;

    padding: 16px;

    border: 1px solid var(--border);

    border-radius: 16px;

    background: var(--surface-2);

    min-width: 0;

}



.progress-label-row {

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 12px;

    font-weight: 700;

    margin-bottom: 10px;

    min-width: 0;

    flex-wrap: wrap;

}



.progress-label-row > :first-child {

    min-width: 0;

    flex: 1 1 auto;

}



.progress-label-row > :last-child {

    flex: 0 0 auto;

    white-space: nowrap !important;

    overflow-wrap: normal !important;

    word-break: normal !important;

}



.progress-label-row span,

.progress-label-row strong,

.progress-label-row .badge,

.progress-label-row .progress-count {

    white-space: nowrap !important;

    overflow-wrap: normal !important;

    word-break: normal !important;

    display: inline-block;

}



.progress-bar-track {

    width: 100%;

    height: 12px;

    border-radius: 999px;

    background: var(--surface-3);

    overflow: hidden;

}



.progress-bar-fill {

    height: 100%;

    border-radius: 999px;

    background: linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);

    transition: width .18s ease;

}



.question-card {

    padding: 22px;

    margin-bottom: 16px;

    min-width: 0;

    border-radius: 20px;

}



.question-topline {

    margin-bottom: 12px;

}



.question-title {

    font-size: 1.1rem;

    font-weight: 800;

    margin-bottom: 16px;

}



.answers {

    display: grid;

    gap: 10px;

    min-width: 0;

}



.answer-option {

    position: relative;

    display: block;

    border: 1px solid var(--border);

    border-radius: 14px;

    background: var(--surface-2);

    cursor: pointer;

    transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;

    min-width: 0;

}



.answer-option:hover {

    border-color: var(--primary);

}



.answer-option input[type=radio] {

    position: absolute;

    opacity: 0;

    pointer-events: none;

}



.answer-text {

    display: block;

    padding: 14px 16px;

}



.answer-option input[type=radio]:checked + .answer-text {

    background: var(--surface);

    border-radius: 14px;

    box-shadow: inset 0 0 0 2px var(--primary);

    font-weight: 700;

}



.result-ok {

    color: var(--success);

    font-weight: 800;

}



.result-ko {

    color: var(--danger);

    font-weight: 800;

}



.muted {

    color: var(--muted);

}



/* badge protetti da compressione */

.badge {

    display: inline-block;

    border-radius: 999px;

    padding: 6px 10px;

    font-size: .82rem;

    font-weight: 800;

    background: var(--surface-2);

    border: 1px solid var(--border);

    max-width: 100%;

    white-space: nowrap;

}



/* =========================

   TABELLE

========================= */



.table-like {

    width: 100%;

    border-collapse: separate;

    border-spacing: 0 12px;

}



.table-like td,

.table-like th {

    text-align: left;

    vertical-align: top;

    padding: 14px 16px;

    background: var(--surface);

    border-top: 1px solid var(--border);

    border-bottom: 1px solid var(--border);

}



.table-like td:first-child,

.table-like th:first-child {

    border-left: 1px solid var(--border);

    border-radius: 14px 0 0 14px;

}



.table-like td:last-child,

.table-like th:last-child {

    border-right: 1px solid var(--border);

    border-radius: 0 14px 14px 0;

}



/* =========================

   FOOTER

========================= */



.site-footer {

    border-top: 1px solid var(--border);

    margin-top: 36px;

    background: linear-gradient(180deg, var(--surface), var(--surface-2));

    padding-top: 20px;

    overflow: visible;

}



.site-footer .container {

    padding-left: 16px;

    padding-right: 16px;

}



.footer-inner {

    gap: 24px;

    padding-top: 0;

    padding-bottom: 24px;

    color: var(--muted);

    min-width: 0;

}



.footer-grid {

    display: grid;

    grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);

    min-width: 0;

    gap: 24px;

    align-items: start;

}



.footer-grid > div,

.footer-col {

    min-width: 0;

}



.footer-col > * {

    max-width: 100%;

}



.footer-col h3 {

    margin: 0 0 10px;

    color: var(--text);

}



.footer-col h4 {

    margin: 16px 0 8px;

    color: var(--text);

}



.footer-col p {

    margin: 0;

}



.footer-col hr {

    border: 0;

    border-top: 1px solid var(--border);

    margin: 16px 0;

}



.footer-links {

    list-style: none;

    margin: 0 0 16px;

    padding: 0;

}



.footer-links li {

    margin: 0 0 8px;

}



.footer-note {

    color: var(--muted);

}



.footer-ad-box {

    margin-top: 18px;

    padding: 16px;

    border: 1px dashed var(--border);

    border-radius: 16px;

    background: var(--surface);

    box-shadow: none;

    min-width: 0;

}



.footer-ad-box .ad-box-label {

    font-size: .84rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: .06em;

    color: var(--muted);

    margin-bottom: 10px;

}



.footer-ad-box .ad-box-content {

    color: var(--text);

    font-size: .95rem;

    line-height: 1.5;

    min-width: 0;

    max-width: 100%;

}



.footer-ad-image,

.footer-ad-box img,

.footer-ad-box iframe,

.footer-ad-box ins,

.footer-ad-box .adsbygoogle {

    display: block;

    width: 100% !important;

    max-width: 100% !important;

    height: auto;

    border-radius: 12px;

}



/* =========================

   EXTRA

========================= */



.ad-box {

    margin-top: 18px;

    padding: 16px;

    border: 1px dashed var(--border);

    border-radius: 16px;

    background: var(--surface-2);

    min-width: 0;

}



.ad-box-label {

    font-size: .84rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: .06em;

    color: var(--muted);

    margin-bottom: 8px;

}



.ad-box-content {

    color: var(--text);

    font-size: .95rem;

    min-width: 0;

    max-width: 100%;

}



.adsbygoogle {

    display: block;

    width: 100% !important;

    max-width: 100% !important;

    min-width: 0 !important;

}



.section-head {

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 16px;

    flex-wrap: wrap;

    min-width: 0;

}



.quiz-type-panel {

    margin-top: 20px;

}



.quiz-type-normal {

    border-top: 4px solid rgba(59,130,246,.35);

}



.quiz-type-advanced {

    border-top: 4px solid rgba(168,85,247,.35);

}



.pill {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 6px 12px;

    border-radius: 999px;

    font-size: .875rem;

    font-weight: 700;

    border: 1px solid transparent;

    max-width: 100%;

    white-space: nowrap;

    flex-shrink: 0;

}



.pill-normal {

    background: rgba(59,130,246,.12);

    border-color: rgba(59,130,246,.28);

    color: #1d4ed8;

}



.pill-advanced {

    background: rgba(168,85,247,.12);

    border-color: rgba(168,85,247,.28);

    color: #7e22ce;

}



.header-side-info {

    display: flex;

    align-items: center;

    gap: 10px;

    flex-wrap: wrap;

    justify-content: flex-end;

    min-width: 0;

}



.compact-kpis {

    margin-top: 16px;

}



.question-image-box,

.result-image-box {

    margin: 16px 0;

}



.question-image,

.result-image {

    display: block;

    max-width: 100%;

    height: auto;

    border-radius: 14px;

    border: 1px solid var(--border);

    background: var(--surface-2);

}



.result-image {

    max-width: 240px;

    margin-top: 10px;

}



.table-scroll {

    width: 100%;

    overflow-x: auto;

}



.panel {

    margin-bottom: 20px;

}



/* =========================

   DESKTOP GRANDE

========================= */



@media (min-width: 1100px) {

    .content-area {

        grid-template-columns: minmax(0, 1fr) 300px;

    }



    .page-ad-sidebar {

        position: sticky;

        top: 20px;

    }

}



@media (max-width: 1099px) {

    .page-ad-box .ad-box-content {

        min-height: 160px;

    }

}



@media (prefers-color-scheme: dark) {

    .pill-normal {

        background: rgba(96,165,250,.18);

        border-color: rgba(96,165,250,.35);

        color: #bfdbfe;

    }



    .pill-advanced {

        background: rgba(192,132,252,.18);

        border-color: rgba(192,132,252,.35);

        color: #e9d5ff;

    }

}



[data-theme=dark] .pill-normal {

    background: rgba(96,165,250,.18);

    border-color: rgba(96,165,250,.35);

    color: #bfdbfe;

}



[data-theme=dark] .pill-advanced {

    background: rgba(192,132,252,.18);

    border-color: rgba(192,132,252,.35);

    color: #e9d5ff;

}



/* =========================

   DESKTOP GRANDE

========================= */



@media (min-width: 921px) {

    .sidebar-nav {

        flex-wrap: nowrap;

        overflow-x: auto;

        overflow-y: hidden;

        scrollbar-width: thin;

    }



    .sidebar-link {

        flex: 0 0 auto;

    }

}



/* =========================

   TABLET

========================= */



@media (max-width: 920px) {

    .page-shell {

        gap: 16px;

        padding: 18px 0 30px;

    }



    .sidebar {

        padding: 14px 16px;

    }



    .footer-grid {

        grid-template-columns: 1fr;

    }



    .header-inner {

        flex-wrap: wrap;

        align-items: flex-start;

    }



    .theme-toggle {

        min-width: 0;

    }



    .sidebar-nav {

        flex-direction: row;

        flex-wrap: wrap;

        gap: 8px;

    }



    .sidebar-link {

        padding: 10px 14px;

    }



    .sidebar-meta {

        gap: 10px;

    }



    .sidebar-meta-row {

        min-width: 180px;

        flex: 1 1 180px;

    }



    .kpis {

        display: grid;

        grid-template-columns: repeat(3, minmax(0, 1fr));

    }



    .quiz-header-top,

    .progress-label-row,

    .section-head,

    .header-side-info {

        flex-wrap: wrap;

    }



    .footer-ad-box {

        margin-top: 16px;

    }

}



/* =========================

   MOBILE

========================= */



@media (max-width: 640px) {

    .container,

    .site-header .container,

    .site-footer .container {

        padding-left: 10px;

        padding-right: 10px;

    }



    .header-inner {

        padding: 14px 0;

        gap: 12px;

    }



    .brand {

        font-size: 1.35rem;

    }



    .brand-subtitle {

        font-size: .88rem;

    }



    .theme-toggle {

        width: 100%;

        padding: 12px 14px;

    }



    .page-shell {

        gap: 16px;

        padding: 16px 0 26px;

    }



    .hero,

    .tile,

    .panel,

    .question-card,

    .quiz-header {

        padding: 18px;

    }



    .quiz-header-top,

    .list-item {

        display: block;

    }



    .list-item > div,

    .quiz-header-top > div,

    .header-inner > div,

    .footer-grid > div,

    .footer-col {

        width: 100%;

        min-width: 0;

    }



    .sidebar {

        padding: 12px;

        border-radius: 14px;

    }



    .sidebar-title {

        margin-bottom: 10px;

        font-size: .8rem;

    }



    .sidebar-nav {

        display: grid;

        grid-template-columns: repeat(2, minmax(0, 1fr));

        gap: 8px;

    }



    .sidebar-link,

    .sidebar-link.disabled {

        text-align: center;

        width: 100%;

        white-space: normal;

        border-radius: 12px;

        padding: 11px 10px;

        min-height: 42px;

    }



    .sidebar-meta {

        display: grid;

        grid-template-columns: 1fr;

        gap: 8px;

    }



    .sidebar-meta-row {

        min-width: 0;

        width: 100%;

        padding: 12px;

    }



    .hero h1 {

        font-size: 1.55rem;

        line-height: 1.2;

    }



    .tile h2,

    .panel h2,

    .section-title {

        font-size: 1.08rem;

    }



    .kpis {

        grid-template-columns: 1fr;

    }



    .kpi {

        min-width: 0;

        padding: 14px 16px;

    }



    .actions {

        flex-direction: column;

        align-items: stretch;

    }



    .actions .btn,

    .actions button.btn,

    .list-item .btn {

        width: 100%;

        min-width: 0;

    }



    .list-item {

        padding: 16px;

    }



    .badge {

        margin-top: 12px;

    }



    .quiz-header {

        margin-bottom: 14px;

    }



    .progress-block {

        padding: 14px;

    }



    .question-title {

        font-size: 1rem;

        line-height: 1.35;

    }



    .answer-text {

        padding: 13px 14px;

    }



    .table-like,

    .table-like thead,

    .table-like tbody,

    .table-like tr,

    .table-like th,

    .table-like td {

        display: block;

        width: 100%;

    }



    .table-like {

        border-spacing: 0;

    }



    .table-like thead {

        display: none;

    }



    .table-like tr {

        margin-bottom: 14px;

        background: var(--surface);

        border: 1px solid var(--border);

        border-radius: 14px;

        overflow: hidden;

    }



    .table-like td,

    .table-like th {

        border: 0;

        border-bottom: 1px solid var(--border);

        border-radius: 0 !important;

        padding: 12px 14px;

        background: transparent;

    }



    .table-like td:last-child {

        border-bottom: 0;

    }



    .result-image {

        max-width: 100%;

    }



    .materia-cover,

    .home-cover {

        max-height: 240px;

    }



    .footer-inner {

        padding-bottom: 20px;

    }



    .footer-ad-box,

    .ad-box {

        padding: 14px;

    }



    .footer-col h3 {

        font-size: 1.05rem;

    }



    .footer-col h4 {

        font-size: .95rem;

    }

}