:root {
  --ink: #061d2f;
  --ink-2: #0b2e47;
  --gold: #c99145;
  --gold-soft: #e0b36d;
  --paper: #f3e4c7;
  --paper-2: #fff6df;
  --red: #612114;
  --text: #17202a;
  --muted: #5f523f;
  --line: rgba(201, 145, 69, 0.45);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
  font-family: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(6, 29, 47, 0.94), rgba(6, 29, 47, 0.9)),
    radial-gradient(circle at 20% 10%, rgba(201, 145, 69, 0.18), transparent 28%),
    var(--ink);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  color: var(--paper-2);
  background: rgba(6, 29, 47, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold-soft);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-size: 0.85rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.top-nav a {
  padding: 0.65rem 0.75rem;
  border-bottom: 2px solid transparent;
  color: var(--paper-2);
  text-decoration: none;
  white-space: nowrap;
}

.top-nav a:hover,
.top-nav a[aria-current="page"] {
  color: var(--gold-soft);
  border-color: var(--gold);
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body[data-page="home"] {
  min-height: 100vh;
  background: #061d2f;
}

body[data-page="home"] main {
  width: min(100%, 1173px);
}

.index-replica {
  position: relative;
  margin: 0 auto;
  background: #061d2f;
  box-shadow: 0 0 38px rgba(0, 0, 0, 0.45);
}

.index-replica-image {
  width: 100%;
  height: auto;
  user-select: none;
}

.hotspot {
  position: absolute;
  display: block;
  border-radius: 0.45rem;
  text-decoration: none;
}

.hotspot:focus-visible {
  outline: 3px solid var(--paper-2);
  outline-offset: 3px;
  background: rgba(255, 246, 223, 0.16);
}

.hs-home { left: 32%; top: 1.2%; width: 7%; height: 4%; }
.hs-lezioni { left: 40%; top: 1.2%; width: 9%; height: 4%; }
.hs-approfondimenti { left: 51%; top: 1.2%; width: 13%; height: 4%; }
.hs-mappe-nav { left: 65%; top: 1.2%; width: 8%; height: 4%; }
.hs-biografia { left: 74%; top: 1.2%; width: 8%; height: 4%; }
.hs-start { left: 82%; top: 1%; width: 16%; height: 4.5%; }
.hs-card-1 { left: 2.6%; top: 35%; width: 14.5%; height: 21.8%; }
.hs-card-2 { left: 18%; top: 35%; width: 14.5%; height: 21.8%; }
.hs-card-3 { left: 34%; top: 35%; width: 15%; height: 21.8%; }
.hs-card-4 { left: 50.5%; top: 35%; width: 14.5%; height: 21.8%; }
.hs-card-5 { left: 66%; top: 35%; width: 14.5%; height: 21.8%; }
.hs-card-6 { left: 82%; top: 35%; width: 14.5%; height: 21.8%; }
.hs-zante { left: 11%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-napoleone { left: 25%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-ortis { left: 38.5%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-sepolcri { left: 51.5%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-grazie { left: 65%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-illusioni { left: 79%; top: 61%; width: 11%; height: 11.5%; border-radius: 50%; }
.hs-mappe-panel { left: 2.7%; top: 73.6%; width: 30%; height: 15.2%; }
.hs-timeline-panel { left: 33.8%; top: 73.6%; width: 30%; height: 15.2%; }
.hs-quiz-panel { left: 64.5%; top: 73.6%; width: 31.5%; height: 15.2%; }

.home-zante-bridge {
  position: absolute;
  right: 2.5%;
  bottom: 1.5%;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto;
  width: min(34rem, 47%);
  min-height: 4.6rem;
  padding: 0.8rem 1rem;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 246, 223, 0.98), rgba(224, 179, 109, 0.98));
  border: 1px solid var(--gold-soft);
  border-radius: 0.55rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.home-zante-bridge:hover,
.home-zante-bridge:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.46);
}

.home-zante-bridge span {
  grid-column: 1;
  color: #71501f;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.home-zante-bridge strong {
  grid-column: 1;
  align-self: end;
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.home-zante-bridge i {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  margin-left: 1rem;
  font-size: 1.6rem;
  font-style: normal;
}

.hero-home {
  min-height: min(760px, calc(100vh - 5rem));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: clamp(2rem, 5vw, 4.5rem) 0 2rem;
  color: var(--paper-2);
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: 4.5rem 0 auto 0;
  height: min(62vh, 560px);
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(243, 228, 199, 0.94), rgba(243, 228, 199, 0.6), rgba(6, 29, 47, 0.12)),
    url("../immagini/index.png") center top / cover;
  opacity: 0.22;
}

.hero-copy {
  max-width: 670px;
  text-align: center;
}

.ornament {
  color: var(--gold-soft);
  font-size: 1.3rem;
}

.hero-copy h1 {
  margin: 0.35rem 0 1rem;
  color: var(--paper-2);
  font-size: clamp(3.4rem, 9vw, 7rem);
  line-height: 0.95;
  font-weight: 500;
}

.hero-copy p {
  width: min(620px, 100%);
  margin: 0 auto 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.primary-action,
.button-link,
.modal-close,
.media-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
  box-shadow: 0 4px 0 rgba(77, 46, 18, 0.45);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}

.hero-portrait {
  margin: 0;
  border: 1px solid var(--gold);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--paper);
}

.hero-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.section-shell,
.key-themes,
.feature-panels,
.lesson-shell,
.map-page,
.video-page {
  margin: 0 0 2rem;
}

.section-heading {
  color: var(--paper-2);
  text-align: center;
}

.section-heading p {
  margin: 0;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.section-heading h2 {
  margin: 0.3rem 0 1.2rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(130px, 1fr));
  gap: 0.85rem;
}

.home-card {
  position: relative;
  min-height: 245px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  align-items: center;
  justify-items: center;
  gap: 0.65rem;
  padding: 1.1rem 0.9rem;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 246, 223, 0.9), rgba(243, 228, 199, 0.96)),
    radial-gradient(circle at 20% 20%, rgba(201, 145, 69, 0.18), transparent 35%);
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

.home-card:hover {
  transform: translateY(-3px);
}

.card-number {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  color: var(--paper-2);
  background: var(--ink);
  border: 1px solid var(--gold);
  font-size: 1.4rem;
}

.card-icon {
  min-height: 3rem;
  color: var(--gold);
  font-size: 2.6rem;
}

.home-card strong {
  font-size: 1.45rem;
  line-height: 1.05;
}

.home-card span:last-child {
  color: #372718;
  line-height: 1.25;
}

.theme-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(8, 42, 65, 0.9);
}

.theme-strip a {
  display: grid;
  place-items: center;
  min-height: 5rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--paper-2);
  text-align: center;
  text-decoration: none;
  background: rgba(243, 228, 199, 0.08);
}

.feature-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-panel {
  min-height: 160px;
  padding: 1.4rem;
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.feature-panel strong {
  display: block;
  margin-bottom: 0.7rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.feature-panel span {
  line-height: 1.45;
}

.panel-blue {
  color: var(--paper-2);
  background: linear-gradient(135deg, #082a41, #0c3a57);
}

.panel-paper {
  color: var(--ink);
  background: linear-gradient(135deg, var(--paper-2), #e6c58d);
}

.panel-red {
  color: var(--paper-2);
  background: linear-gradient(135deg, var(--red), #7b2d1d);
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 5vw, 4rem);
  flex-wrap: wrap;
  margin-top: 2rem;
  padding: 1.4rem;
  color: var(--paper-2);
  border-top: 1px solid var(--line);
  background: rgba(6, 29, 47, 0.98);
}

.lesson-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: clamp(1.2rem, 4vw, 2.5rem);
  align-items: start;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
}

.lesson-article,
.map-index,
.video-index {
  min-width: 0;
  padding: clamp(1.15rem, 3vw, 2rem);
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  background:
    linear-gradient(rgba(255, 246, 223, 0.96), rgba(243, 228, 199, 0.98)),
    radial-gradient(circle at 10% 5%, rgba(201, 145, 69, 0.16), transparent 28%);
  box-shadow: var(--shadow);
}

.lesson-article h1 {
  margin: 0 0 0.4rem;
  color: var(--ink);
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  line-height: 1;
  font-weight: 500;
}

.lesson-kicker {
  margin: 0 0 0.55rem;
  color: #755322;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.84rem;
}

.lesson-subtitle {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.45;
}

.lesson-article h2 {
  margin: 1.7rem 0 0.7rem;
  color: #173750;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.16;
}

.lesson-article p,
.lesson-note p,
.video-card p {
  font-size: 1.05rem;
  line-height: 1.72;
}

.lesson-note {
  margin: 1.1rem 0;
  padding: 1rem;
  border-left: 4px solid var(--gold);
  background: rgba(255, 255, 255, 0.38);
}

.lesson-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  margin: 1.2rem 0;
}

.lesson-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.3);
}

.lesson-table th,
.lesson-table td {
  min-width: 9rem;
  padding: 0.75rem;
  border: 1px solid rgba(95, 82, 63, 0.28);
  text-align: left;
  vertical-align: top;
  line-height: 1.45;
}

.lesson-table th {
  color: var(--ink);
  background: rgba(201, 145, 69, 0.18);
}

.lesson-sidebar {
  position: sticky;
  top: 5rem;
  min-width: 0;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 0.35rem;
  display: grid;
  gap: 1rem;
  scrollbar-color: var(--gold) rgba(255, 246, 223, 0.18);
  scrollbar-width: thin;
}

.zante-bridge-card {
  padding: 1rem;
  color: var(--paper-2);
  background:
    radial-gradient(circle at 90% 10%, rgba(224, 179, 109, 0.2), transparent 32%),
    linear-gradient(145deg, #07263b, #0b3c53);
  border: 1px solid var(--gold);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
}

.biblioteca-bridge-card {
  position: relative;
  overflow: hidden;
  padding: 1.15rem;
  color: #f6e7c5;
  background:
    linear-gradient(145deg, rgb(75 31 34 / 96%), rgb(27 23 31 / 98%));
  border: 1px solid #c89543;
  border-radius: 14px;
  box-shadow: 0 16px 30px rgb(30 14 16 / 18%);
}

.biblioteca-bridge-card::after {
  position: absolute;
  top: -2.8rem;
  right: -2.2rem;
  width: 8rem;
  aspect-ratio: 1;
  content: "UF";
  display: grid;
  place-items: end start;
  padding: 0 0 1.1rem 1.05rem;
  color: rgb(233 195 126 / 18%);
  border: 1px solid rgb(233 195 126 / 20%);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.biblioteca-bridge-card .bridge-eyebrow {
  margin: 0 0 0.35rem;
  color: #e9c37e;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.biblioteca-bridge-card h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #fff4d8;
  font-size: 1.38rem;
  line-height: 1.12;
}

.biblioteca-bridge-card > p:not(.bridge-eyebrow) {
  position: relative;
  z-index: 1;
  margin: 0.65rem 0 0.9rem;
  color: #e8d6b1;
  font-size: 0.9rem;
  line-height: 1.45;
}

.biblioteca-bridge-links {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.45rem;
}

.biblioteca-bridge-links a {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  color: #fff4d8;
  background: rgb(255 255 255 / 6%);
  border: 1px solid rgb(233 195 126 / 42%);
  border-radius: 8px;
  text-decoration: none;
}

.biblioteca-bridge-links a:hover,
.biblioteca-bridge-links a:focus-visible {
  background: rgb(233 195 126 / 14%);
}

.biblioteca-bridge-links i {
  color: #e9c37e;
  font-style: normal;
}

.zante-bridge-card .bridge-eyebrow {
  margin: 0 0 0.35rem;
  color: var(--gold-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.3;
  text-transform: uppercase;
}

.zante-bridge-card h2 {
  margin: 0;
  color: var(--paper-2);
  font-size: 1.55rem;
  font-weight: 500;
}

.zante-bridge-card > p:not(.bridge-eyebrow) {
  margin: 0.55rem 0 0.85rem;
  color: rgba(255, 246, 223, 0.82);
  font-size: 0.96rem;
  line-height: 1.45;
}

.zante-bridge-links {
  display: grid;
  gap: 0.5rem;
}

.zante-bridge-links a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.8rem;
  padding: 0.62rem 0.72rem;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e5c17f);
  border: 1px solid rgba(224, 179, 109, 0.9);
  border-radius: 0.4rem;
  text-decoration: none;
  box-shadow: 0 3px 0 rgba(36, 23, 12, 0.35);
}

.zante-bridge-links a:hover,
.zante-bridge-links a:focus-visible {
  color: #061d2f;
  background: #fff8e8;
}

.zante-bridge-links i {
  font-style: normal;
  font-size: 1.15rem;
}

.foscolo-media,
.lesson-map-card,
.video-card {
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  background: var(--paper);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.foscolo-media {
  position: relative;
}

.image-panel {
  position: relative;
}

.image-panel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  cursor: pointer;
}

.is-video-missing .image-panel img {
  cursor: default;
}

.play-video {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  white-space: nowrap;
}

.video-panel {
  padding: 0.8rem;
}

.video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #000;
}

.media-caption,
.lesson-map-card figcaption {
  padding: 0.75rem;
  color: var(--ink);
  line-height: 1.35;
}

.is-video-missing .media-caption::after {
  content: " Video non disponibile per questa sezione.";
  color: var(--muted);
}

.lesson-map-card {
  margin: 0;
}

.lesson-map-card img {
  width: 100%;
  height: auto;
  cursor: zoom-in;
}

.map-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
}

.map-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.map-index h1,
.video-index h1 {
  margin-top: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
}

.map-tile {
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  overflow: hidden;
  background: var(--paper-2);
}

.map-tile button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.map-tile img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff8e8;
}

.map-tile strong,
.video-card strong {
  display: block;
  padding: 0.8rem;
  color: var(--ink);
  font-size: 1.1rem;
}

.video-card {
  padding-bottom: 1rem;
}

.video-card p {
  margin: 0;
  padding: 0 0.8rem 0.8rem;
}

.map-modal {
  width: min(96vw, 1280px);
  height: min(92vh, 900px);
  padding: 0;
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  background: var(--ink);
}

.map-modal::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.modal-inner {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
}

.modal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  color: var(--paper-2);
  border-bottom: 1px solid var(--line);
}

.modal-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--paper-2);
}

.modal-close {
  min-height: 2.35rem;
  padding: 0.45rem 0.75rem;
}

.study-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(201, 145, 69, 0.5);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.34);
}

.study-heading p {
  margin: 0 0 0.25rem;
  color: #755322;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.study-heading h2 {
  margin-top: 0;
}

.vocab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.vocab-card,
.quiz-question,
.report-row,
.notes-tool {
  border: 1px solid rgba(95, 82, 63, 0.22);
  border-radius: 0.45rem;
  background: rgba(255, 246, 223, 0.72);
}

.vocab-card {
  padding: 0.85rem;
}

.vocab-card strong {
  display: block;
  color: var(--ink);
  font-size: 1.08rem;
}

.vocab-card p {
  margin: 0.35rem 0 0;
}

.lesson-quiz {
  display: grid;
  gap: 0.9rem;
}

.quiz-question {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0.9rem;
}

.quiz-question legend {
  padding: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

.quiz-question label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: start;
  line-height: 1.45;
}

.quiz-report {
  margin-top: 1rem;
}

.quiz-report h3 {
  margin: 0 0 0.4rem;
  color: var(--ink);
  font-size: 1.45rem;
}

.score-line {
  margin: 0 0 0.9rem;
  font-weight: 700;
}

.report-row {
  margin-top: 0.75rem;
  padding: 0.9rem;
}

.report-row.is-correct {
  border-color: rgba(42, 112, 70, 0.45);
  background: rgba(231, 246, 231, 0.72);
}

.report-row.is-wrong {
  border-color: rgba(133, 48, 28, 0.45);
  background: rgba(255, 236, 219, 0.78);
}

.notes-tool {
  padding: 0.9rem;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.notes-tool h2 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
  font-weight: 500;
}

.notes-tool p {
  margin: 0 0 0.75rem;
  line-height: 1.35;
}

.notes-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.student-highlight {
  padding: 0.05em 0.12em;
  border-radius: 0.18rem;
  background: #ffe277;
  color: inherit;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.notes-tool textarea {
  width: 100%;
  min-height: 220px;
  max-height: 45vh;
  resize: vertical;
  overflow: auto;
  padding: 0.75rem;
  border: 1px solid rgba(95, 82, 63, 0.35);
  border-radius: 0.4rem;
  color: var(--text);
  background: #fffaf0;
  font: 1rem/1.5 Georgia, "Times New Roman", serif;
}

.notes-clear {
  margin-top: 0.6rem;
  padding: 0;
  border: 0;
  color: #6b2c1f;
  background: transparent;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.notes-status {
  min-height: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
  }

  .hero-home,
  .lesson-shell {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    order: 2;
  }

  .hero-portrait {
    width: min(420px, 100%);
    margin: 0 auto;
  }

  .lesson-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .theme-strip,
  .feature-panels,
  .map-grid,
  .video-grid,
  .vocab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}

@media (max-width: 620px) {
  main {
    width: min(100% - 1rem, 1180px);
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero-home {
    min-height: auto;
    padding-top: 1.2rem;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-copy h1 {
    font-size: 3.2rem;
  }

  .hero-copy p {
    margin-left: 0;
  }

  .lesson-grid,
  .theme-strip,
  .feature-panels,
  .map-grid,
  .video-grid,
  .vocab-grid,
  .notes-actions {
    grid-template-columns: 1fr;
  }

  .home-card {
    min-height: 190px;
  }

  .site-footer {
    justify-content: flex-start;
  }

  .home-zante-bridge {
    right: 2%;
    bottom: 0.8%;
    width: 58%;
    min-height: 3.5rem;
    padding: 0.55rem 0.65rem;
  }

  .home-zante-bridge span {
    font-size: 0.56rem;
  }

  .home-zante-bridge strong {
    font-size: 0.85rem;
    line-height: 1.1;
  }
}

/* Ambiente di studio Foscolo v13 */
:root {
  --study-font-scale: 1;
  --study-header-height: 4.25rem;
  --study-dock-height: 4rem;
}

body[data-page="lesson"] {
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}

body[data-page="lesson"] .site-footer {
  display: none;
}

body[data-page="lesson"] .study-topbar {
  position: relative;
  top: auto;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) minmax(15rem, 2fr) minmax(8rem, 1fr);
  align-items: center;
  gap: 1rem;
  min-height: 4.25rem;
  padding: calc(0.55rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.55rem max(1rem, env(safe-area-inset-left));
  background: rgba(6, 29, 47, 0.985);
}

.study-home {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  color: var(--gold-soft);
  text-decoration: none;
  font-weight: 700;
}

.study-title {
  min-width: 0;
  text-align: center;
}

.study-title span,
.workspace-panel-header > p,
.workspace-panel-header > div > p,
.study-dialog > header p,
.study-kicker {
  display: block;
  margin: 0 0 0.18rem;
  color: var(--gold-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.study-title strong {
  display: block;
  overflow: hidden;
  color: var(--paper-2);
  font-size: clamp(1rem, 2vw, 1.28rem);
  font-weight: 500;
  line-height: 1.12;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.study-actions {
  justify-self: end;
  display: flex;
  gap: 0.4rem;
}

.study-actions button,
.mobile-study-tabs button,
.reading-tools button,
.study-bottombar button,
.notebook-actions button,
.study-dialog button,
.advanced-quiz button {
  min-height: 44px;
  padding: 0.62rem 0.78rem;
  border: 1px solid rgba(201, 145, 69, 0.72);
  border-radius: 0.42rem;
  color: var(--paper-2);
  background: #0b2e47;
  font: 700 0.88rem/1.1 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.study-actions button:hover,
.study-actions button:focus-visible,
.reading-tools button:hover,
.reading-tools button:focus-visible,
.study-bottombar button:hover,
.study-bottombar button:focus-visible,
.notebook-actions button:hover,
.notebook-actions button:focus-visible {
  color: var(--ink);
  background: var(--gold-soft);
  outline: 2px solid var(--paper-2);
  outline-offset: 2px;
}

.mobile-study-tabs {
  display: none;
}

body[data-page="lesson"] .lesson-shell {
  width: min(1440px, calc(100% - 1.25rem));
  height: calc(100svh - var(--study-header-height) - var(--study-dock-height));
  margin: 0 auto;
  padding: 0.7rem 0;
  grid-template-columns: minmax(0, 2fr) minmax(310px, 1fr);
  gap: 0.8rem;
  align-items: stretch;
}

body[data-page="lesson"] .lesson-article {
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-padding-top: 8.7rem;
  font-size: calc(1rem * var(--study-font-scale));
  scrollbar-color: var(--gold) rgba(95, 82, 63, 0.12);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

body[data-page="lesson"] .lesson-article p,
body[data-page="lesson"] .lesson-article li,
body[data-page="lesson"] .lesson-article td,
body[data-page="lesson"] .lesson-article th {
  font-size: calc(1.05rem * var(--study-font-scale));
}

.reading-tools {
  position: sticky;
  top: -1px;
  z-index: 8;
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) repeat(4, auto);
  align-items: center;
  gap: 0.42rem;
  margin: -0.35rem -0.35rem 1.15rem;
  padding: 0.6rem;
  color: var(--paper-2);
  background: rgba(6, 29, 47, 0.975);
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  box-shadow: 0 10px 20px rgba(6, 29, 47, 0.22);
  backdrop-filter: blur(8px);
}

.reading-tools p {
  margin: 0;
  color: var(--paper-2);
  font-size: 0.82rem !important;
  line-height: 1.25;
}

.reading-tools button {
  min-height: 42px;
  padding: 0.52rem 0.62rem;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
  font-size: 0.76rem;
}

.reading-tools button:disabled {
  opacity: 0.46;
  cursor: not-allowed;
  filter: grayscale(0.55);
}

.reading-tools button span {
  display: inline-grid;
  place-items: center;
  min-width: 1.45rem;
  min-height: 1.45rem;
  margin-left: 0.25rem;
  border-radius: 999px;
  color: var(--paper-2);
  background: var(--ink);
}

.lesson-reading {
  user-select: text;
  -webkit-user-select: text;
}

.lesson-reading h2 {
  scroll-margin-top: 8.7rem;
}

.student-highlight {
  padding: 0.05em 0.08em;
  border-radius: 0.18rem;
  color: inherit;
  background: #ffe277;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.lesson-summary {
  margin-top: 1.6rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(201, 145, 69, 0.6);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.38);
}

.lesson-summary h2 {
  margin: 0 0 0.6rem;
}

.lesson-summary p:last-child {
  margin-bottom: 0;
}

.essentials-block ul {
  margin: 0.55rem 0 0;
  padding-left: 1.2rem;
}

.essentials-block li + li {
  margin-top: 0.5rem;
}

body[data-page="lesson"] .lesson-sidebar {
  position: static;
  top: auto;
  display: grid;
  grid-template-rows: minmax(0, 52%) minmax(0, 48%);
  gap: 0.7rem;
  height: 100%;
  max-height: none;
  overflow: hidden;
  padding: 0;
}

.visual-context-pane,
.notebook-pane {
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--gold);
  border-radius: 0.5rem;
  background: rgba(8, 42, 65, 0.96);
  box-shadow: var(--shadow);
}

.visual-context-pane {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.workspace-panel-header {
  position: sticky;
  top: 0;
  z-index: 4;
  padding: 0.58rem 0.78rem;
  color: var(--paper-2);
  border-bottom: 1px solid rgba(201, 145, 69, 0.42);
  background: rgba(6, 29, 47, 0.98);
}

.workspace-panel-header h2 {
  margin: 0;
  color: var(--paper-2);
  font-size: 1.18rem;
  font-weight: 500;
}

.workspace-panel-header > span {
  display: block;
  margin-top: 0.18rem;
  color: #eed2a2;
  font-size: 0.76rem;
  line-height: 1.25;
}

.visual-context-scroll {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.65rem;
  scroll-behavior: smooth;
  scrollbar-color: var(--gold) rgba(255, 246, 223, 0.12);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.visual-context-scroll > * + * {
  margin-top: 0.7rem;
}

.visual-context-scroll > .is-contextual {
  outline: 3px solid var(--gold-soft);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(224, 179, 109, 0.14), var(--shadow);
}

.notebook-pane {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 0.72rem 0.8rem;
  color: var(--ink);
  background: linear-gradient(180deg, #fff6df, #f3e4c7);
  scrollbar-color: var(--gold) rgba(95, 82, 63, 0.14);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.notebook-pane .workspace-panel-header {
  margin: 0 -0.72rem 0.65rem;
}

.notebook-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0.7rem;
}

.notebook-header-meta {
  display: grid;
  flex: 0 0 auto;
  justify-items: end;
  gap: 0.28rem;
  text-align: right;
}

.notebook-header-meta > [data-autosave-state] {
  font-size: 0.68rem;
}

.panel-scroll-hint {
  display: inline-flex !important;
  width: max-content;
  padding: 0.18rem 0.42rem;
  border: 1px solid rgba(238, 210, 162, 0.5);
  border-radius: 999px;
  color: #fff6df !important;
  background: rgba(201, 145, 69, 0.22);
  font-size: 0.64rem !important;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.visual-context-scroll,
.notebook-pane,
body[data-page="lesson"] .lesson-article {
  scrollbar-gutter: stable;
}

.visual-context-scroll::-webkit-scrollbar,
.notebook-pane::-webkit-scrollbar,
body[data-page="lesson"] .lesson-article::-webkit-scrollbar {
  width: 10px;
}

.visual-context-scroll::-webkit-scrollbar-thumb,
.notebook-pane::-webkit-scrollbar-thumb,
body[data-page="lesson"] .lesson-article::-webkit-scrollbar-thumb {
  border: 2px solid rgba(6, 29, 47, 0.25);
  border-radius: 999px;
  background: var(--gold);
}

.notebook-pane > label {
  display: block;
  margin-bottom: 0.35rem;
  color: #5b3e21;
  font-size: 0.8rem;
  font-weight: 700;
}

.notebook-pane textarea {
  width: 100%;
  min-height: 7.5rem;
  resize: vertical;
  padding: 0.72rem;
  border: 1px solid rgba(95, 82, 63, 0.38);
  border-radius: 0.42rem;
  color: var(--text);
  background: #fffdf6;
  font: 1rem/1.5 Georgia, "Times New Roman", serif;
}

.citation-area {
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(95, 82, 63, 0.28);
}

.citation-area h3 {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-size: 1rem;
}

.citation-area > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.citation-list {
  display: grid;
  gap: 0;
}

.citation-card {
  position: relative;
  padding: 0.65rem 2.2rem 0.65rem 0;
  border-bottom: 1px solid rgba(95, 82, 63, 0.24);
}

.citation-card q {
  display: block;
  color: #2b2219;
  font-size: 0.93rem;
  line-height: 1.45;
}

.citation-card small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.73rem;
}

.citation-card button {
  position: absolute;
  top: 0.42rem;
  right: 0;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid rgba(97, 33, 20, 0.34);
  border-radius: 50%;
  color: var(--red);
  background: transparent;
  font: 1.3rem/1 Georgia, serif;
  cursor: pointer;
}

.notebook-actions {
  position: sticky;
  bottom: -0.8rem;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin: 0.75rem -0.72rem -0.8rem;
  padding: 0.62rem 0.72rem calc(0.62rem + env(safe-area-inset-bottom));
  background: rgba(243, 228, 199, 0.97);
  border-top: 1px solid rgba(95, 82, 63, 0.28);
}

.notebook-actions button {
  color: var(--paper-2);
}

.notebook-actions .danger {
  border-color: #8d4a3b;
  background: #612114;
}

.study-bottombar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 35;
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) repeat(3, minmax(10rem, auto));
  align-items: center;
  gap: 0.55rem;
  min-height: 4rem;
  padding: 0.55rem max(1rem, env(safe-area-inset-right)) calc(0.55rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  color: var(--paper-2);
  border-top: 1px solid var(--line);
  background: rgba(6, 29, 47, 0.99);
}

.study-bottombar button {
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
}

.reading-progress {
  display: grid;
  grid-template-columns: auto minmax(4rem, 1fr);
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--gold-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.reading-progress-label {
  display: grid;
  line-height: 1;
}

.reading-progress-label strong {
  color: var(--gold-soft);
  font-size: 0.82rem;
}

.reading-progress-label small {
  margin-top: 0.15rem;
  color: rgba(255, 246, 223, 0.72);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reading-progress i {
  display: block;
  height: 0.38rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 246, 223, 0.18);
}

.reading-progress b {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--gold-soft);
  transition: width 160ms ease;
}

.study-dialog {
  width: min(92vw, 820px);
  max-height: min(88vh, 880px);
  overflow-y: auto;
  padding: 1.2rem;
  border: 1px solid var(--gold);
  border-radius: 0.6rem;
  color: var(--text);
  background: linear-gradient(180deg, #fff6df, #f3e4c7);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
}

.study-dialog::backdrop {
  background: rgba(2, 12, 20, 0.76);
  backdrop-filter: blur(3px);
}

.study-dialog > form {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 0;
  text-align: right;
}

.study-dialog .dialog-x {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  color: var(--paper-2);
  background: var(--ink);
  font-size: 1.4rem;
}

.study-dialog > header {
  margin: 0 3.2rem 1rem 0;
}

.study-dialog > header h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 500;
}

.full-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

.full-index a {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: 0.7rem;
  min-height: 3.6rem;
  padding: 0.6rem;
  border: 1px solid rgba(95, 82, 63, 0.28);
  border-radius: 0.45rem;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.38);
}

.full-index a[aria-current="page"] {
  border-color: var(--gold);
  box-shadow: inset 4px 0 var(--gold);
}

.full-index b {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  color: var(--paper-2);
  background: var(--ink);
}

.dialog-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(95, 82, 63, 0.24);
}

.dialog-actions .danger-link {
  color: #fff6df;
  background: #612114;
}

.essentials-dialog-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding-left: 1.2rem;
}

.essentials-dialog-list li,
.essentials-source p {
  line-height: 1.55;
}

.vocabulary-dialog {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0;
}

.vocabulary-dialog > div {
  padding: 0.8rem;
  border: 1px solid rgba(95, 82, 63, 0.24);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.38);
}

.vocabulary-dialog dt {
  color: var(--ink);
  font-weight: 700;
}

.vocabulary-dialog dd {
  margin: 0.3rem 0 0;
  line-height: 1.45;
}

.advanced-quiz {
  display: grid;
  gap: 0.8rem;
}

.advanced-quiz fieldset {
  display: grid;
  gap: 0.48rem;
  margin: 0;
  padding: 0.85rem;
  border: 1px solid rgba(95, 82, 63, 0.28);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.38);
}

.advanced-quiz fieldset.is-correct {
  border-color: #3c7953;
}

.advanced-quiz fieldset.is-wrong {
  border-color: #934c3d;
}

.advanced-quiz legend {
  padding: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

.advanced-quiz label {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.55rem;
  min-height: 38px;
  line-height: 1.42;
}

.advanced-quiz input {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.12rem;
}

.question-feedback {
  padding: 0.58rem;
  border-radius: 0.35rem;
  background: rgba(201, 145, 69, 0.14);
  line-height: 1.45;
}

.grade-formula {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.advanced-quiz .quiz-submit,
.advanced-quiz-report > button {
  color: var(--paper-2);
  background: var(--ink);
}

.advanced-quiz-report {
  margin-top: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.4);
}

.advanced-quiz-report h3,
.advanced-quiz-report h4 {
  margin: 0 0 0.55rem;
  color: var(--ink);
}

.recovery-list {
  display: grid;
  gap: 0.65rem;
}

.recovery-list article {
  padding: 0.75rem;
  border-left: 4px solid #934c3d;
  background: rgba(255, 236, 219, 0.62);
}

.recovery-list p {
  margin: 0.42rem 0;
  line-height: 1.45;
}

.recovery-list a {
  color: #5f2417;
  font-weight: 700;
}

.quiz-success {
  color: #245438;
  font-weight: 700;
}

.study-toast {
  position: fixed;
  right: 1rem;
  bottom: calc(var(--study-dock-height) + 1rem);
  z-index: 60;
  max-width: min(26rem, calc(100vw - 2rem));
  padding: 0.75rem 0.9rem;
  color: var(--paper-2);
  border: 1px solid var(--gold);
  border-radius: 0.45rem;
  background: rgba(6, 29, 47, 0.97);
  box-shadow: var(--shadow);
}

body[data-page="lesson"] .ottocento-bridge-hub {
  display: none !important;
}

@media (max-width: 1080px) and (min-width: 821px) {
  body[data-page="lesson"] .lesson-shell {
    grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
  }

  .reading-tools {
    grid-template-columns: 1fr 1fr;
  }

  .reading-tools p {
    grid-column: 1 / -1;
  }

  .study-bottombar {
    grid-template-columns: minmax(6rem, 1fr) repeat(3, minmax(8.5rem, auto));
  }
}

@media (max-width: 820px) {
  body[data-page="lesson"] .study-topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.5rem;
    padding-bottom: 0;
  }

  .study-home {
    font-size: 0;
  }

  .study-home span {
    font-size: 1.2rem;
  }

  .study-actions button[data-font] {
    display: none;
  }

  .mobile-study-tabs {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.35rem;
    width: 100%;
    padding-top: 0.45rem;
  }

  .mobile-study-tabs button {
    min-height: 42px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
  }

  .mobile-study-tabs button.active {
    color: var(--ink);
    background: var(--paper-2);
  }

  body[data-page="lesson"] .lesson-shell {
    display: block;
    width: calc(100% - 0.7rem);
    height: calc(100svh - var(--study-header-height) - var(--study-dock-height));
    padding: 0.35rem 0;
  }

  body[data-page="lesson"] .lesson-article,
  body[data-page="lesson"] .lesson-sidebar {
    width: 100%;
    height: 100%;
  }

  body[data-mobile-panel="read"] .lesson-sidebar,
  body[data-mobile-panel="visual"] .lesson-article,
  body[data-mobile-panel="notes"] .lesson-article {
    display: none;
  }

  body[data-mobile-panel="visual"] .lesson-sidebar,
  body[data-mobile-panel="notes"] .lesson-sidebar {
    display: grid;
    grid-template-rows: minmax(0, 1fr);
  }

  body[data-mobile-panel="visual"] .notebook-pane,
  body[data-mobile-panel="notes"] .visual-context-pane {
    display: none;
  }

  .reading-tools {
    grid-template-columns: 1fr 1fr;
  }

  .reading-tools p {
    grid-column: 1 / -1;
  }

  .study-bottombar {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.3rem;
    padding-right: 0.35rem;
    padding-left: 0.35rem;
  }

  .reading-progress {
    display: none;
  }

  .study-bottombar button {
    padding: 0.48rem 0.3rem;
    font-size: 0.72rem;
  }

  .full-index,
  .vocabulary-dialog {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .study-title span {
    display: none;
  }

  .study-title strong {
    font-size: 0.92rem;
  }

  .study-actions button[data-open-index] {
    padding: 0.5rem 0.58rem;
    font-size: 0.76rem;
  }

  body[data-page="lesson"] .lesson-article {
    padding: 0.9rem;
  }

  .reading-tools {
    margin-right: -0.2rem;
    margin-left: -0.2rem;
    padding: 0.45rem;
  }

  .reading-tools button {
    min-height: 44px;
    font-size: 0.69rem;
  }

  .study-dialog {
    width: 96vw;
    max-height: 91vh;
    padding: 0.9rem;
  }

  .dialog-actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html,
  .visual-context-scroll {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Interfaccia progressiva comune alle lezioni della PWA di Foscolo. */
body.focus-prototype .reading-tools,
body.focus-prototype .study-actions > button[data-font],
body.focus-prototype .study-bottombar > button[data-learning-panel],
body.focus-prototype .notebook-actions {
  display: none;
}

body.focus-prototype .study-actions {
  align-items: center;
}

.focus-font-control {
  position: relative;
}

.focus-font-trigger {
  min-width: 44px;
  font-size: 1rem !important;
}

.focus-font-popover {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  z-index: 70;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  width: 13.5rem;
  padding: 0.55rem;
  border: 1px solid var(--gold);
  border-radius: 0.55rem;
  background: rgba(6, 29, 47, 0.99);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.32);
}

.focus-font-popover button {
  min-height: 44px;
  padding: 0.55rem;
  border: 1px solid rgba(201, 145, 69, 0.72);
  border-radius: 0.42rem;
  color: var(--paper-2);
  background: #0b2e47;
  font: 700 0.82rem/1.15 Georgia, "Times New Roman", serif;
}

body.focus-prototype .lesson-shell {
  grid-template-columns: minmax(0, 2.35fr) minmax(330px, 0.95fr);
  gap: 0.9rem;
}

body.focus-prototype .lesson-article {
  scroll-padding-top: 1.5rem;
}

body.focus-prototype .lesson-reading h2 {
  scroll-margin-top: 1.5rem;
}

body.focus-prototype .lesson-sidebar {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--gold);
  border-radius: 0.6rem;
  background: rgba(6, 29, 47, 0.96);
  box-shadow: var(--shadow);
}

.focus-panel-tabs {
  position: relative;
  z-index: 6;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
  padding: 0.42rem;
  border-bottom: 1px solid rgba(201, 145, 69, 0.42);
  background: rgba(6, 29, 47, 0.99);
}

.focus-panel-tabs button {
  min-height: 44px;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 0.42rem;
  color: #eed2a2;
  background: transparent;
  font: 700 0.9rem/1.1 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-panel-tabs button[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--gold);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
}

body.focus-prototype .visual-context-pane,
body.focus-prototype .notebook-pane {
  height: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.focus-prototype .lesson-sidebar[data-focus-panel="visual"] .notebook-pane,
body.focus-prototype .lesson-sidebar[data-focus-panel="notes"] .visual-context-pane {
  display: none;
}

body.focus-prototype .workspace-panel-header {
  padding: 0.72rem 0.82rem;
}

body.focus-prototype .workspace-panel-header > p {
  margin: 0 0 0.15rem;
  color: #eed2a2;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.focus-prototype .panel-scroll-hint {
  display: none !important;
}

body.focus-prototype .map-button {
  position: relative;
  overflow: hidden;
}

body.focus-prototype .map-button::after {
  position: absolute;
  right: 0.55rem;
  bottom: 0.55rem;
  content: "Apri e ingrandisci";
  padding: 0.42rem 0.55rem;
  border: 1px solid rgba(255, 246, 223, 0.75);
  border-radius: 999px;
  color: var(--paper-2);
  background: rgba(6, 29, 47, 0.9);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
  font: 700 0.7rem/1 Georgia, "Times New Roman", serif;
  pointer-events: none;
}

.focus-selection-tools {
  position: fixed;
  left: 50%;
  bottom: calc(var(--study-dock-height) + 0.75rem);
  z-index: 60;
  display: flex;
  gap: 0.4rem;
  padding: 0.42rem;
  border: 1px solid var(--gold);
  border-radius: 0.6rem;
  background: rgba(6, 29, 47, 0.98);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.34);
  transform: translateX(-50%);
}

.focus-selection-tools button {
  min-height: 44px;
  padding: 0.62rem 0.78rem;
  border: 1px solid rgba(201, 145, 69, 0.72);
  border-radius: 0.42rem;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper-2), #e9c98d);
  font: 700 0.82rem/1.1 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-note-tools {
  position: sticky;
  bottom: -0.8rem;
  z-index: 5;
  margin: 0.8rem -0.72rem -0.8rem;
  padding: 0.58rem 0.72rem calc(0.58rem + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(95, 82, 63, 0.28);
  background: rgba(243, 228, 199, 0.98);
}

.focus-note-tools summary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(95, 82, 63, 0.38);
  border-radius: 0.42rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.48);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.focus-note-tools summary::-webkit-details-marker {
  display: none;
}

.focus-note-menu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.42rem;
  margin-top: 0.5rem;
}

.focus-note-menu button {
  min-height: 44px;
  padding: 0.55rem;
  border: 1px solid rgba(95, 82, 63, 0.38);
  border-radius: 0.42rem;
  color: var(--paper-2);
  background: var(--ink);
  font: 700 0.76rem/1.15 Georgia, "Times New Roman", serif;
  cursor: pointer;
}

.focus-note-menu button.danger {
  background: #612114;
}

.focus-note-menu button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

body.focus-prototype .study-bottombar {
  grid-template-columns: minmax(9rem, 1fr) auto;
}

.focus-dock-actions {
  display: grid;
  grid-template-columns: auto;
  gap: 0.4rem;
}

.focus-dock-actions button {
  min-width: 11rem;
}

.focus-mobile-panel-button {
  display: none;
}

.focus-learning-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.42rem;
  margin-top: 0.85rem;
}

.focus-learning-tabs button {
  min-height: 44px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.42);
}

.focus-learning-tabs button[aria-selected="true"] {
  color: var(--paper-2);
  background: var(--ink);
}

@media (max-width: 1080px) and (min-width: 821px) {
  body.focus-prototype .lesson-shell {
    grid-template-columns: minmax(0, 2fr) minmax(310px, 0.9fr);
  }
}

@media (max-width: 820px) {
  body.focus-prototype .study-topbar {
    padding-bottom: 0.5rem;
  }

  body.focus-prototype .mobile-study-tabs,
  body.focus-prototype .focus-panel-tabs {
    display: none;
  }

  body.focus-prototype .lesson-shell {
    display: block;
  }

  body.focus-prototype .lesson-sidebar {
    grid-template-rows: minmax(0, 1fr);
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body.focus-prototype[data-mobile-panel="read"] .lesson-sidebar,
  body.focus-prototype[data-mobile-panel="visual"] .lesson-article,
  body.focus-prototype[data-mobile-panel="notes"] .lesson-article {
    display: none;
  }

  body.focus-prototype[data-mobile-panel="visual"] .lesson-sidebar,
  body.focus-prototype[data-mobile-panel="notes"] .lesson-sidebar {
    display: grid;
  }

  body.focus-prototype[data-mobile-panel="visual"] .notebook-pane,
  body.focus-prototype[data-mobile-panel="notes"] .visual-context-pane {
    display: none;
  }

  body.focus-prototype[data-mobile-panel="visual"] .visual-context-pane,
  body.focus-prototype[data-mobile-panel="notes"] .notebook-pane {
    display: grid;
  }

  body.focus-prototype[data-mobile-panel="notes"] .notebook-pane {
    display: block;
  }

  body.focus-prototype .study-bottombar {
    grid-template-columns: 1fr;
    padding: 0.42rem max(0.42rem, env(safe-area-inset-right)) calc(0.42rem + env(safe-area-inset-bottom)) max(0.42rem, env(safe-area-inset-left));
  }

  body.focus-prototype .reading-progress {
    display: none;
  }

  .focus-dock-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .focus-dock-actions button,
  .focus-mobile-panel-button {
    display: block;
    min-width: 0;
    padding: 0.55rem 0.35rem;
    font-size: 0.76rem;
  }

  .focus-dock-actions button[aria-pressed="true"] {
    color: var(--paper-2);
    background: #0b2e47;
  }

  .focus-selection-tools {
    right: 0.45rem;
    bottom: calc(var(--study-dock-height) + 0.5rem);
    left: 0.45rem;
    justify-content: stretch;
    transform: none;
  }

  .focus-selection-tools button {
    flex: 1 1 0;
    padding-right: 0.45rem;
    padding-left: 0.45rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 520px) {
  .focus-font-popover {
    right: -3.3rem;
    width: 12.5rem;
  }

  .focus-learning-tabs {
    grid-template-columns: 1fr;
  }

  .focus-note-menu {
    grid-template-columns: 1fr;
  }
}

/* Goldoni: stessa struttura di Foscolo, con footer comune sempre raggiungibile. */
html{color-scheme:light}button,input,textarea{font-family:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{text-underline-offset:.2em}.small{font-size:.9rem;line-height:1.5}.eyebrow{color:#765120;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}.button{display:inline-flex;align-items:center;min-height:44px;padding:.7rem 1rem;border:1px solid var(--gold);border-radius:.4rem;color:var(--paper-2);background:var(--ink);font-weight:700;text-decoration:none}.button:hover{background:var(--ink-2)}.term{border-bottom:1px solid #cbbca1;padding:.8rem 0}.term dt{font-weight:700}.term dd{margin:.3rem 0 0;line-height:1.55}
body[data-page="lesson"]{display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;height:100vh;height:100dvh;overflow:hidden}
body[data-page="lesson"] .lesson-shell{height:100%;min-height:0;margin:0 auto;padding:.7rem 0;grid-template-columns:minmax(0,2.35fr) minmax(330px,.95fr)}
body[data-page="lesson"] .lesson-article{min-height:0;scroll-padding-top:1.3rem}
body[data-page="lesson"] .lesson-reading p,body[data-page="lesson"] .lesson-reading li{font-size:var(--reading,1.12rem)}
body[data-page="lesson"] .lesson-reading h2{scroll-margin-top:1.3rem}
body[data-page="lesson"] .lesson-sidebar{grid-template-rows:auto minmax(0,1fr);min-height:0}
body[data-page="lesson"] .study-bottombar{position:relative;inset:auto;grid-template-columns:minmax(9rem,1fr) auto}
body[data-page="lesson"] .gbprof-compliance-footer{padding:.4rem .75rem;font-size:.8rem;gap:.3rem 1rem}
body[data-page="lesson"] .gbprof-compliance-footer .gbprof-data-reset{min-height:36px;font-size:.78rem;padding:.45rem .7rem}
.focus-panel-tabs button[aria-pressed=true]{color:var(--ink);border-color:var(--gold);background:linear-gradient(180deg,var(--paper-2),#e9c98d)}
.focus-learning-tabs{grid-template-columns:repeat(4,1fr)}
.focus-learning-tabs button[aria-pressed=true]{color:var(--paper-2);background:var(--ink)}
.focus-panel-tabs button,.focus-learning-tabs button{font-size:1rem;min-height:44px}
.notebook-header #note-status{font-size:.75rem;max-width:10rem;line-height:1.3;color:var(--paper-2)}
.notebook-pane textarea{min-height:18rem}.notebook-pane label.sr-only{position:absolute}
.lesson-map-card h3{font-weight:500;padding:.8rem;margin:0;color:var(--ink);font-size:1.1rem;line-height:1.4}.portrait-card img{max-height:360px;object-fit:cover;object-position:top}
.focus-selection-tools[hidden]{display:none!important}.focus-selection-tools{z-index:45;bottom:calc(var(--study-dock-height) + var(--compliance-height,3rem) + .5rem)}
mark{background:#ffe277;color:inherit;border-radius:.15rem}
.step-nav{display:flex;justify-content:space-between;gap:1.3rem;margin-top:2rem;padding-top:1rem;border-top:1px solid var(--line)}
.step-nav a{padding:.8rem;border:1px solid var(--gold);border-radius:.3rem;color:var(--ink);font-weight:700;text-decoration:none}
.section-index{display:grid;gap:.4rem}.section-index a{padding:.5rem;line-height:1.4}
dialog.study-dialog{position:fixed}.study-dialog>button.dialog-x{float:right;position:sticky;top:0;z-index:10}
.learning-dialog{width:min(94vw,920px)}.learning-dialog [data-panel]{font-size:1.08rem;line-height:1.7}
.learning-dialog [data-panel]>h2{font-weight:500;font-size:1.8rem;line-height:1.2}.learning-dialog .eyebrow{display:none}
.learning-dialog dl{margin:0}.learning-dialog summary,.text-index summary{cursor:pointer;min-height:44px;padding:.6rem 0;font-weight:700}
.learning-dialog header{position:relative}.study-tabs{position:relative}
.quiz-question{margin:1.4rem 0;padding:1rem;border:1px solid #a99775;border-radius:.5rem;background:#fffaf03b}
.quiz-question legend{font-size:1.16rem;line-height:1.45;padding:0 .4rem;font-weight:700}.quiz-option{display:flex;align-items:start;gap:.7rem;padding:.65rem .3rem;line-height:1.5;cursor:pointer;min-height:44px}.quiz-option input{width:1.15rem;height:1.15rem;flex:0 0 auto;margin-top:.25rem;accent-color:var(--ink)}
.quiz-feedback{background:#e6efdf;border-left:3px solid #396c3c;padding:.9rem;margin-top:.7rem;font-size:1rem}.quiz-feedback.wrong{background:#f3ddc4;border-color:#934932}.quiz-feedback p{margin:.3rem 0;line-height:1.6}.score{padding:1.2rem;background:var(--ink);color:var(--paper-2);margin:1.4rem 0}.score h3{margin:0;font-size:1.7rem}.score p{margin:.5rem 0}
.recovery{padding:1.2rem;border:1px solid #bc9e6b;margin:1rem 0;background:#fff8e8}.recovery h4{margin:.3rem 0;font-size:1.2rem}.recovery p{font-size:1rem;line-height:1.65;margin:.6rem 0}.recovery textarea{width:100%;padding:.7rem;border:1px solid #b8a98e;border-radius:.3rem;min-height:90px;font:1rem/1.5 Georgia,serif}.quiz-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin:1.5rem 0}.history-item{border-bottom:1px solid #baa787;padding:.7rem 0;font-size:1rem}.history-item strong{display:block}
#map-dialog{width:min(96vw,1500px);max-width:96vw;max-height:95vh;overflow:auto}.dialog-bar{display:flex;align-items:center;flex-wrap:wrap;gap:.8rem;margin-bottom:1rem}.dialog-bar input{width:150px}.map-viewport{overflow:auto;max-height:70vh;overscroll-behavior:contain}.map-viewport img{max-width:none;width:100%}#map-description{font-size:1rem;line-height:1.6}
.notice{position:fixed;bottom:calc(var(--study-dock-height,0px) + var(--compliance-height,0px) + .8rem);left:50%;z-index:120;transform:translate(-50%,0);max-width:min(90vw,700px);padding:1rem;border:1px solid var(--gold);border-radius:.5rem;background:var(--ink);color:var(--paper-2);box-shadow:var(--shadow);display:none;font-size:1rem}.notice.visible{display:block}
.goldoni-map-index{margin:1.5rem auto}.goldoni-map-index>h1{font-size:clamp(2.2rem,5vw,3.7rem);font-weight:500;line-height:1.05}.goldoni-map-index .page-lead{font-size:1.2rem;line-height:1.6}.map-gallery{display:grid;gap:2rem}.map-gallery .map-card{padding-top:1rem;border-top:1px solid var(--line)}.map-gallery h2{font-size:1.8rem}.map-gallery .map-button>span{display:block;color:var(--paper-2);background:var(--ink);text-align:center;padding:.7rem}.map-gallery .button{margin:.8rem .6rem 0 0}
.timeline-page{margin:1.5rem auto;display:grid;grid-template-columns:1fr 1.4fr;gap:3rem}.timeline-page h2{font-size:2.8rem;font-weight:500;line-height:1.1}.timeline-page p{line-height:1.7}.timeline details{border-bottom:1px solid #c5b18e}.timeline summary{min-height:44px;font-size:1.2rem;padding:1rem 0;cursor:pointer;line-height:1.4}.timeline summary span{display:inline-block;min-width:7rem;color:#734527;font-weight:700}.timeline details p{padding:0 .6rem}
.text-index{width:min(1173px,100%);margin:auto;padding:.8rem 1rem;color:var(--paper-2);background:#082238}.text-index details+details{border-top:1px solid var(--line)}.text-index .full-index a{background:#fff6df;color:var(--ink)}.text-index .step-state{display:block;font-size:.85rem;color:#604c34;margin-top:.3rem}.text-index button{padding:.7rem;background:var(--paper-2);color:var(--ink);border:1px solid var(--gold);border-radius:.4rem;font:700 1rem Georgia,serif;min-height:44px}.text-index p{line-height:1.65}.text-index progress{accent-color:var(--gold);margin-left:1rem}.text-index #resume{display:block;padding:.7rem;color:var(--gold-soft);font-size:1.15rem}.back-to-literature{display:flex;justify-content:flex-end;padding:1.1rem;background:#061d2f;color:var(--paper-2)}.back-to-literature a{padding:.8rem 1.2rem;border:1px solid #8c9ba7;border-radius:999px;text-decoration:none;font-weight:700}
/* Aree cliccabili allineate alla nuova copertina 1173 × 1341. */
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@media (min-width:821px) and (max-width:1080px){body[data-page=lesson] .lesson-shell{grid-template-columns:minmax(0,2fr) minmax(310px,.9fr)}}
@media(max-width:820px){body[data-page=lesson] .lesson-shell{display:block}.focus-dock-actions{grid-template-columns:repeat(3,1fr)}body[data-page=lesson] .study-bottombar{grid-template-columns:1fr}.focus-panel-tabs{display:none}body[data-page=lesson] .lesson-sidebar{grid-template-rows:minmax(0,1fr)}body[data-page=lesson][data-mobile-panel=read] .lesson-sidebar{display:none}body[data-page=lesson][data-mobile-panel=visual] .lesson-article,body[data-page=lesson][data-mobile-panel=notes] .lesson-article{display:none}.focus-mobile-panel-button{display:block}.timeline-page{grid-template-columns:1fr;gap:1rem}.focus-learning-tabs{grid-template-columns:repeat(2,1fr)}.notebook-pane textarea{min-height:15rem}.study-title strong{white-space:normal}.full-index{grid-template-columns:1fr}body[data-page=lesson] .gbprof-compliance-footer{flex-direction:row;align-items:center;gap:.2rem .7rem;font-size:.7rem}body[data-page=lesson] .gbprof-compliance-footer .gbprof-data-reset{min-height:30px;font-size:.68rem;padding:.3rem .5rem}.focus-selection-tools{bottom:calc(var(--study-dock-height) + var(--compliance-height,3rem) + .5rem)}}
@media(max-width:520px){body[data-page=lesson] .study-topbar{grid-template-columns:auto minmax(0,1fr) auto;gap:.5rem;padding:.4rem .6rem}.study-home{font-size:.9rem}.study-title span{font-size:.61rem}.study-title strong{font-size:.86rem;line-height:1.2}.study-actions{gap:.3rem}.study-actions button{padding:.55rem;font-size:.85rem}.focus-font-popover{right:0}.focus-note-menu{grid-template-columns:1fr 1fr}.text-index .dialog-actions{flex-wrap:wrap}}
@media print{body[data-page=lesson]{display:block;height:auto;overflow:visible}body[data-page=lesson] .lesson-shell{height:auto;display:block}body[data-page=lesson] .lesson-article{height:auto;overflow:visible;border:0;background:white;box-shadow:none}.study-topbar,.lesson-sidebar,.study-bottombar,.focus-selection-tools,.gbprof-compliance-footer,.notice{display:none!important}}

.hs-theme-prev{left:4.1%;top:62.9%;width:4.3%;height:3.5%}.hs-theme-next{left:90.3%;top:62.9%;width:4.3%;height:3.5%}.hs-install{left:92.7%;top:95%;width:5.6%;height:4%}.theme-dialog{padding:2rem;max-width:42rem}.theme-dialog h2{padding-right:1rem}.theme-dialog p{line-height:1.6}