/* ============================================================
   LAYOUT & CHROME — header (gov bar, brand band, nav), footer,
   shared page primitives (PageIntro, SectionTitle, AsideCard,
   InfoRow, MapBlock, Pagination). From chrome.jsx.
   ============================================================ */

/* Body is the flex column so the footer sticks to the bottom AND any
   whitespace text nodes after #page are ignored (flex containers drop
   whitespace-only children) — no white strip below the footer. */
body { background: var(--surface-page); display: flex; flex-direction: column; min-height: 100vh; }
/* body_class() adds .page/.post to <body>; the inherited _s rule
   `.post, .page { margin: 0 0 1.5em }` would put a stray 24px below the
   footer on Pages. Neutralise it (higher specificity than the bare class). */
body[class] { margin: 0; }
.site { display: flex; flex-direction: column; flex: 1 0 auto; width: 100%; }
.site-main { flex: 1; }

/* ---------- Container ---------- */
.container { max-width: var(--container-max); margin: 0 auto; width: 100%; padding: 0 24px; }
.container--narrow { max-width: var(--container-narrow); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: var(--space-2); top: -4rem;
  background: var(--surface-brand); color: #fff !important;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm);
  z-index: 1100; transition: top var(--duration-base) var(--ease-standard);
}
.skip-link:focus { top: var(--space-2); }

/* ---------- GovBar ---------- */
.govbar { background: var(--neutral-900); color: var(--neutral-300); font-size: var(--text-xs); }
.govbar__inner { display: flex; align-items: stretch; justify-content: flex-end; flex-wrap: wrap; column-gap: 8px; min-height: 40px; padding: 0 24px; }
.govbar__sep { opacity: .35; align-self: center; }

/* Area switcher — "tab" a destra, colorate in base alla sezione attiva
   (blu = Bibliosesto/istituzionale, arancio = Ragazzi) così l'elemento attivo
   si salda visivamente alla testata colorata sottostante. */
.area-switch { display: inline-flex; align-items: stretch; gap: 4px; align-self: stretch; }
.area-switch__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 18px; min-height: 40px;
  color: var(--neutral-400); text-decoration: none;
  font-size: var(--text-xs); font-weight: var(--weight-medium); letter-spacing: .01em;
  border-radius: 10px 10px 0 0; /* forma a tab: angoli superiori arrotondati */
  transition: color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard);
}
.area-switch__link:hover { color: #fff; background: rgba(255,255,255,.09); }
.area-switch__link:focus-visible { outline-offset: -2px; }
.area-switch__link[aria-current="true"] {
  background: var(--skin-accent); /* colore della sezione attiva */
  color: #fff; font-weight: var(--weight-bold);
  box-shadow: 0 -2px 0 rgba(255,255,255,.35) inset;
}
/* Login: link semplice (non a tab), allineato sull'asse delle altre voci.
   Fix allineamento: inline-flex + align-items center → icona e testo sullo stesso
   asse verticale di "Bibliosesto"/"Ragazzi", mantenendo l'icona. */
.area-switch__login { display: inline-flex; align-items: center; gap: 6px; align-self: center; height: 26px; padding: 0 12px; border-radius: var(--radius-sm); color: var(--neutral-300); }
.area-switch__login:hover { color: #fff; background: rgba(255,255,255,.12); }
.govbar__link { color: var(--neutral-300); text-decoration: none; }
.govbar__link:hover { color: #fff; text-decoration: underline; }

/* ---------- BrandBand ---------- */
.brandband { background: var(--surface-brand); color: #fff; }
.brandband__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 24px; flex-wrap: wrap; }
.brandband__logo-link { display: flex; align-items: center; gap: 14px; text-decoration: none; color: #fff; }
.brandband__logo { width: 58px; height: 58px; border-radius: 50%; background: #fff; padding: 3px; flex: none; object-fit: contain; }
.brandband__eyebrow { display: block; font-size: var(--text-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase; opacity: 1; }
.brandband__title { display: block; font-size: var(--text-xl); font-weight: var(--weight-bold); line-height: 1.05; }
.brandband__right { display: flex; align-items: center; gap: 18px; }
.site-search { display: flex; align-items: center; background: #fff; border-radius: var(--radius-pill); padding: 4px 4px 4px 16px; min-width: 280px; }
/* Fix estetico: nessun bordo/outline intorno al campo dentro la pill. L'indicatore
   di focus (necessario per WCAG 2.4.7/2.4.13) è spostato sull'intera pill via
   :focus-within, così resta accessibile ma più pulito. */
.site-search:focus-within { outline: var(--border-width-strong) solid var(--focus-ring); outline-offset: 2px; }
.site-search__icon { color: var(--neutral-500); display: flex; }
.site-search__input { appearance: none; -webkit-appearance: none; border: 0; outline: none; box-shadow: none; font: inherit; font-size: var(--text-sm); color: var(--neutral-900); background: transparent; padding: 8px 10px; width: 100%; }
.site-search__input:focus, .site-search__input:focus-visible { outline: none; box-shadow: none; }
.site-search__input::-webkit-search-decoration, .site-search__input::-webkit-search-cancel-button { -webkit-appearance: none; }
.site-search__submit { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 0; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; cursor: pointer; flex: none; }
.brand-social { display: flex; gap: 12px; }
.brand-social a { color: #fff; opacity: .9; display: flex; }
.brand-social a:hover { opacity: 1; }

/* ---------- NavBar ---------- */
.lib-nav { position: sticky; top: 0; z-index: 50; background: var(--white); border-bottom: 1px solid var(--border-default); box-shadow: var(--shadow-xs); }
.lib-nav__inner { display: flex; align-items: stretch; gap: 2px; padding: 0 24px; overflow-x: auto; }
.nav-link {
  padding: 15px 15px 12px; text-decoration: none; white-space: nowrap;
  color: var(--text-body); font-weight: var(--weight-medium); font-size: var(--text-base);
  font-family: var(--font-sans); line-height: var(--leading-normal); border-bottom: 3px solid transparent;
  background: transparent; border-top: 0; border-left: 0; border-right: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link[aria-current="page"], .nav-link.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
/* Equalise dropdown triggers (button) with plain links (a): same line-height
   above + let the button fill the item height so all baselines + bottom
   borders line up. */
.nav-item { position: relative; display: flex; align-items: stretch; }
.nav-item > .nav-link { width: 100%; }
.nav-item__caret { display: inline-flex; transition: transform var(--duration-fast); }
.nav-item.is-open .nav-item__caret { transform: rotate(180deg); }
/* Fixed positioning (coords set in JS) so the dropdown escapes the nav's
   overflow-x:auto clip — see chrome.jsx NavBar. */
.nav-drop {
  position: fixed; top: 0; left: 0; min-width: 240px; background: var(--white);
  border: 1px solid var(--border-default); border-top: 3px solid var(--color-primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md); box-shadow: var(--shadow-lg);
  padding: 6px; z-index: 1000; display: none;
}
.nav-item.is-open .nav-drop { display: block; }
.nav-drop a { display: block; padding: 10px 14px; border-radius: var(--radius-sm); text-decoration: none; color: var(--text-body); font-size: var(--text-base); font-weight: var(--weight-medium); }
.nav-drop a:hover { background: var(--blue-50); color: var(--color-primary); }

/* Mobile nav */
.lib-nav__mobile-head { display: none; align-items: center; justify-content: space-between; padding: 6px 16px; }
.lib-nav__mobile-label { font-weight: var(--weight-bold); color: var(--text-strong); font-size: var(--text-base); }
.menu-toggle {
  display: inline-flex; align-items: center; gap: 8px; background: transparent;
  border: 2px solid var(--border-strong); border-radius: var(--radius-sm); padding: 8px 14px;
  cursor: pointer; color: var(--color-primary); font-weight: var(--weight-bold); font-size: var(--text-sm); min-height: 44px;
}
.menu-toggle[aria-expanded="true"] { background: var(--blue-100); }
.mobile-menu { display: none; }
.mobile-menu__overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 999; }
.mobile-menu__panel {
  position: absolute; top: 100%; left: 0; right: 0; background: var(--white);
  border-top: 1px solid var(--border-default); box-shadow: var(--shadow-lg);
  z-index: 1000; max-height: 72vh; overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
.m-item { border-bottom: 1px solid var(--neutral-150); }
.m-item__top, .m-item > a {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 15px 20px; background: transparent; border: 0; font: inherit;
  font-weight: var(--weight-bold); font-size: var(--text-md); color: var(--text-strong);
  cursor: pointer; text-decoration: none; min-height: 44px;
}
.m-item > a[aria-current="page"] { color: var(--color-primary); border-left: 4px solid var(--color-primary); }
.m-item__caret { display: inline-flex; transition: transform var(--duration-fast); }
.m-item.is-open .m-item__caret { transform: rotate(180deg); }
.m-sub { display: none; }
.m-item.is-open .m-sub { display: block; }
.m-sub a { display: block; padding: 13px 20px 13px 36px; text-decoration: none; color: var(--text-body); font-size: var(--text-base); font-weight: var(--weight-medium); background: var(--blue-50); border-top: 1px solid var(--neutral-150); }

@media (max-width: 860px) {
  .lib-nav__inner { display: none; }
  .lib-nav__mobile-head { display: flex; }
  .brandband__right { width: 100%; }
  .site-search { min-width: 0; flex: 1; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--neutral-900); color: var(--neutral-300); font-family: var(--font-sans); }
.footer-grid { padding: 48px 24px; display: grid; grid-template-columns: 1.6fr repeat(5, 1fr); gap: 32px 28px; }
.footer-brand__lockup { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand__logo { width: 50px; height: 50px; border-radius: 50%; background: #fff; padding: 3px; object-fit: contain; }
.footer-brand__name { color: #fff; font-size: var(--text-md); line-height: 1.15; }
.footer-brand p { font-size: var(--text-sm); line-height: 1.6; margin: 0 0 8px; display: flex; gap: 8px; }
.footer-brand .mono { font-family: var(--font-mono); }
.footer-col h2 { color: #fff; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: var(--tracking-wide); margin-bottom: 14px; font-weight: var(--weight-bold); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-col a { color: var(--neutral-300); text-decoration: none; font-size: var(--text-sm); display: inline-flex; align-items: center; gap: 8px; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-col a .icon { flex: none; }
.footer-legal-wrap { border-top: 1px solid var(--neutral-700); }
.footer-legal { padding: 16px 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: var(--text-xs); }
.footer-legal a { color: var(--neutral-300); }
.footer-legal__links { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 1100px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- PageIntro ---------- */
.page-intro { background: var(--white); border-bottom: 1px solid var(--border-default); }
.page-intro__inner { padding: 24px 24px 32px; }
.page-intro__head { display: flex; gap: 18px; align-items: flex-start; margin-top: 18px; }
.page-intro__icon { flex: none; display: inline-flex; width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--blue-100); align-items: center; justify-content: center; margin-top: 4px; color: var(--color-primary); }
.page-intro__text { max-width: 760px; }
.page-intro__eyebrow { text-transform: uppercase; letter-spacing: var(--tracking-caps); font-size: var(--text-xs); font-weight: var(--weight-bold); color: var(--color-primary); margin-bottom: 8px; }
.page-intro__title { font-size: var(--text-3xl); margin: 0; letter-spacing: var(--tracking-tight); }
.page-intro__lead { font-size: var(--text-lg); color: var(--text-muted); margin: 14px 0 0; line-height: 1.45; }

/* ---------- SectionTitle ---------- */
.section-title { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.section-title__h { display: flex; align-items: center; gap: 12px; }
.section-title__bar { width: 4px; height: 26px; background: var(--color-primary); border-radius: 2px; flex: none; }
.section-title h2 { margin: 0; font-size: var(--text-2xl); }
.section-title__action { font-weight: var(--weight-medium); white-space: nowrap; }

/* ---------- AsideCard / InfoRow ---------- */
.aside-card { background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-xs); }
.aside-card--accent { border-top: 4px solid var(--color-primary); }
.aside-card__title { font-size: var(--text-md); margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.aside-card__title .icon { color: var(--color-primary); }
.aside-card + .aside-card { margin-top: 24px; }
.info-row { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--neutral-150); align-items: flex-start; }
.info-row:last-child { border-bottom: 0; }
.info-row__icon { flex: none; margin-top: 2px; color: var(--text-muted); }
.info-row__label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-muted); font-weight: var(--weight-bold); margin-bottom: 2px; }
.info-row__value { font-size: var(--text-base); color: var(--text-body); }
.info-row__value a { word-break: break-word; }

/* ---------- MapBlock ---------- */
.map-block { position: relative; height: 320px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-default); background: var(--blue-50); }
.map-block__svg { position: absolute; inset: 0; }
.map-block__marker { position: absolute; top: 44%; left: 50%; transform: translate(-50%, -100%); color: var(--color-primary); }
.map-block__label { position: absolute; bottom: 12px; left: 12px; background: rgba(255,255,255,.95); border-radius: var(--radius-md); padding: 8px 12px; box-shadow: var(--shadow-sm); font-size: var(--text-sm); display: flex; align-items: center; gap: 8px; color: var(--text-body); }
.map-block__label .icon { color: var(--color-primary); }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.pagination .page-numbers {
  min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); border: 1px solid var(--border-default); background: var(--white);
  color: var(--text-body); text-decoration: none; font-weight: var(--weight-medium); padding: 0 8px;
}
.pagination .page-numbers.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .page-numbers:hover:not(.current) { background: var(--blue-50); }
.pagination .page-numbers.dots { border: 0; background: transparent; }

/* ---------- Visited/link state normalization ----------
   Keep the intended author colors in the :visited state for themed anchors
   on colored backgrounds (otherwise the UA visited purple can leak through
   in some browsers / cached states). */
.brandband a, .brandband a:link, .brandband a:visited,
.brandband__logo-link, .brandband__logo-link:visited,
.brand-social a, .brand-social a:visited { color: #fff; }
.govbar__link, .govbar__link:link, .govbar__link:visited { color: var(--neutral-300); }
.govbar__link:hover { color: #fff; }
.nav-link, .nav-link:link, .nav-link:visited { color: var(--text-body); }
.nav-link:hover { color: var(--color-primary); }
.nav-link.is-active, .nav-link.is-active:visited,
.nav-link[aria-current="page"], .nav-link[aria-current="page"]:visited { color: var(--color-primary); }
.nav-drop a, .nav-drop a:link, .nav-drop a:visited { color: var(--text-body); }
.nav-drop a:hover { color: var(--color-primary); }
.site-footer a, .site-footer a:link, .site-footer a:visited { color: var(--neutral-300); }
.site-footer a:hover { color: #fff; }
.m-item > a, .m-item > a:visited, .m-sub a, .m-sub a:visited { color: var(--text-strong); }
