/* ==========================================================================
   Esame di idoneita' all'uso dell'IA
   Linguaggio visivo: scheda a lettura ottica.
   La struttura stampata e' in ciano (il colore che gli scanner ignorano),
   i segni del candidato sono a matita, la correzione della macchina e' in rosso.
   ========================================================================== */

:root {
  --paper: #e5e3d9;
  --sheet: #fbfaf5;
  --sheet-alt: #f4f2ea;
  --dropout: #6fb8cc;
  --dropout-soft: #d5e9ef;
  --dropout-faint: #eaf4f7;
  --graphite: #23242b;
  --graphite-2: #5d6070;
  --graphite-3: #8d90a0;
  --ink: #cb3826;
  --ink-soft: #f6e0dc;
  --pass: #2c6a4f;
  --pass-soft: #dfeee6;

  --display: "Big Shoulders Display", "Haettenschweiler", "Arial Narrow", sans-serif;
  --body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --gap: clamp(1.25rem, 3vw, 2.75rem);
  --radius: 2px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: clamp(0.75rem, 2.5vw, 2.5rem);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.018) 0 1px,
    transparent 1px 4px
  );
  color: var(--graphite);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
}

/* --------------------------------------------------------------- foglio -- */

.paper {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.6rem, 4vw, 3.5rem);
  background: var(--sheet);
  border: 1px solid #cfccc0;
  box-shadow: 0 1px 0 #fff inset, 0 18px 40px -28px rgba(35, 36, 43, 0.5);
}

.fiducial {
  position: absolute;
  width: 13px;
  height: 13px;
  background: var(--graphite);
}
.fiducial--tl { top: 14px; left: 14px; }
.fiducial--tr { top: 14px; right: 14px; }
.fiducial--bl { bottom: 14px; left: 14px; }
.fiducial--br { bottom: 14px; right: 14px; width: 13px; height: 26px; }

.screen[hidden] {
  display: none;
}

/* ------------------------------------------------------------ testatina -- */

.masthead {
  border-bottom: 2px solid var(--graphite);
  padding-bottom: var(--gap);
}

.masthead__code,
.field-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dropout);
}

.masthead__title {
  margin: 0.6rem 0 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 6.75rem);
  line-height: 0.86;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}

.masthead__title em {
  display: inline-block;
  font-style: normal;
  padding: 0 0.12em;
  background: linear-gradient(var(--ink-soft), var(--ink-soft)) 0 88% / 100% 0.22em no-repeat;
}

.masthead__lede {
  max-width: 56ch;
  margin: 1.4rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--graphite-2);
}

.rules {
  display: grid;
  gap: 0.55rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 78ch;
}

.rules li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: baseline;
  font-size: 0.95rem;
  color: var(--graphite-2);
}

.rules span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dropout);
}

/* ------------------------------------------------------------ selezione -- */

.field-label {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.field-label span {
  color: var(--graphite);
  letter-spacing: 0.1em;
}

.intake {
  padding-top: var(--gap);
}

.levels {
  display: grid;
  gap: 0.75rem;
}

.level {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  align-items: start;
  width: 100%;
  padding: 1.15rem 1.3rem;
  text-align: left;
  font: inherit;
  color: inherit;
  background: var(--sheet-alt);
  border: 1px solid var(--dropout-soft);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.level:hover {
  border-color: var(--dropout);
  transform: translateX(2px);
}

.level[aria-checked="true"] {
  background: #fff;
  border-color: var(--graphite);
}

.level__group {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dropout);
}

.level__group:empty {
  display: none;
}

.level__name {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1.05;
  text-transform: uppercase;
}

.level__tagline {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.95rem;
  color: var(--graphite-2);
}

.level__desc {
  display: block;
  margin-top: 0.35rem;
  max-width: 62ch;
  font-size: 0.9rem;
  color: var(--graphite-3);
}

.level__meta {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite-3);
}

/* ----------------------------------------------------------- pallino OMR -- */

.bubble {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  margin-top: 0.15rem;
  border: 1.5px solid var(--dropout);
  border-radius: 50%;
  background: #fff;
}

.bubble::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #4a4c58, var(--graphite) 70%);
  transform: scale(0.2);
  opacity: 0;
  transition: transform 0.16s cubic-bezier(0.2, 1.4, 0.4, 1), opacity 0.12s;
}

[aria-checked="true"] > .bubble::after,
.bubble--filled::after {
  transform: scale(1);
  opacity: 1;
}

/* ---------------------------------------------------------------- bottoni -- */

.btn {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.55rem 1.6rem;
  border: 1.5px solid var(--graphite);
  border-radius: var(--radius);
  background: var(--graphite);
  color: var(--sheet);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
}

.btn--ghost {
  background: transparent;
  color: var(--graphite);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--graphite);
  color: var(--sheet);
}

.btn--primary:hover:not(:disabled) {
  background: #000;
}

.btn--seal {
  width: 100%;
  background: var(--ink);
  border-color: var(--ink);
}

.btn--seal:hover:not(:disabled) {
  background: #b02e1e;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.intake__actions {
  margin-top: 1.6rem;
}

.error {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  color: var(--ink);
}

.hint {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--graphite-3);
}

/* ------------------------------------------------------------------ esame -- */

.exam {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15rem;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

/* Senza questo le colonne della griglia si allargano per contenere la
   striscia della scheda e la pagina scrolla in orizzontale. */
.exam > * {
  min-width: 0;
}

.qhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--graphite);
}

.qhead__tag {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.qhead__count {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
}

.qhead__count i {
  font-style: normal;
  color: var(--dropout);
  padding: 0 0.15em;
}

.question__scenario {
  margin: 1.5rem 0 0;
  padding: 1.1rem 1.3rem;
  background: var(--dropout-faint);
  border-left: 3px solid var(--dropout);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--graphite);
}

.question__prompt {
  margin: 1.4rem 0 1.1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.options {
  display: grid;
  gap: 0.5rem;
}

.option {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.9rem;
  align-items: start;
  width: 100%;
  padding: 0.95rem 1.15rem;
  text-align: left;
  font: inherit;
  color: inherit;
  background: var(--sheet-alt);
  border: 1px solid var(--dropout-soft);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.option:hover {
  border-color: var(--dropout);
}

.option[aria-checked="true"] {
  background: #fff;
  border-color: var(--graphite);
}

.option__key {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--graphite-3);
}

.option[aria-checked="true"] .option__key {
  color: var(--graphite);
}

.option__text {
  font-size: 1rem;
  line-height: 1.5;
}

.exam__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--dropout-soft);
}

/* ------------------------------------------------------- scheda risposte -- */

.exam__sheet .field-label {
  display: block;
}

.exam__sheet .field-label span {
  display: block;
}

.exam__sheet {
  position: sticky;
  top: 1.5rem;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--sheet-alt);
  border: 1px solid var(--dropout-soft);
}

.sheet {
  display: grid;
  gap: 0.18rem;
}

.sheet__row {
  display: grid;
  grid-template-columns: 1.8rem repeat(4, 1fr);
  gap: 0.3rem;
  align-items: center;
  width: 100%;
  padding: 0.2rem 0.25rem;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
}

.sheet__row:hover {
  background: #fff;
}

.sheet__row[data-current="true"] {
  border-color: var(--graphite);
  background: #fff;
}

.sheet__n {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--graphite-3);
}

.sheet__dot {
  position: relative;
  height: 13px;
  border: 1.2px solid var(--dropout);
  border-radius: 7px;
  background: #fff;
}

.sheet__dot::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 5px;
  background: var(--graphite);
  transform: scaleX(0.15);
  opacity: 0;
  transition: transform 0.16s cubic-bezier(0.2, 1.4, 0.4, 1), opacity 0.12s;
}

.sheet__dot[data-filled="true"]::after {
  transform: scaleX(1);
  opacity: 1;
}

/* Verde: dov'era la risposta giusta. Rosso: dove hai segnato tu sbagliando. */
.sheet__dot[data-mark="correct"],
.sheet__dot[data-mark="missed"] {
  border-color: var(--pass);
  background: var(--pass-soft);
}

.sheet__dot[data-mark="correct"]::after {
  background: var(--pass);
}

.sheet__dot[data-mark="wrong"] {
  border-color: var(--ink);
}

.sheet__dot[data-mark="wrong"]::after {
  background: var(--ink);
}

.sheet__foot {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--dropout-soft);
}

.sheet__count {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--graphite-2);
}

/* ------------------------------------------------------------------ esito -- */

.verdict {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding-bottom: var(--gap);
  border-bottom: 2px solid var(--graphite);
}

.verdict__score {
  text-align: center;
  padding: 0.6rem 1.6rem 0.9rem;
  border: 2px solid var(--graphite);
}

.verdict__ratio {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3.5rem, 9vw, 5.5rem);
  line-height: 0.9;
}

.verdict__ratio i {
  font-style: normal;
  color: var(--dropout);
}

.verdict__percent {
  margin: 0.2rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--graphite-2);
}

.stamp {
  display: inline-block;
  margin: 0 0 0.7rem;
  padding: 0.28rem 0.9rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  transform: rotate(-1.6deg);
}

.stamp[data-pass="true"] {
  color: var(--pass);
  border-color: var(--pass);
}

.verdict__text h2 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.verdict__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--graphite-2);
}

.verdict__level {
  margin-top: 0.8rem !important;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite-3) !important;
}

/* ------------------------------------------------------------- revisione -- */

.review {
  display: grid;
  gap: 1.4rem;
  padding: var(--gap) 0 0;
}

.rev {
  padding: 1.3rem 1.5rem;
  background: var(--sheet-alt);
  border: 1px solid var(--dropout-soft);
  border-left: 4px solid var(--ink);
}

.rev[data-correct="true"] {
  border-left-color: var(--pass);
}

.rev__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.rev__n {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite-3);
}

.rev__badge {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.rev[data-correct="true"] .rev__badge {
  color: var(--pass);
}

.rev__scenario {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: var(--graphite-2);
}

.rev__prompt {
  margin: 0 0 0.9rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.45rem;
  line-height: 1.1;
  text-transform: uppercase;
}

.rev__options {
  display: grid;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.rev__opt {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: #fff;
  border: 1px solid var(--dropout-soft);
  border-radius: var(--radius);
}

.rev__opt[data-role="correct"] {
  border-color: var(--pass);
  background: var(--pass-soft);
}

.rev__opt[data-role="yours-wrong"] {
  border-color: var(--ink);
  background: var(--ink-soft);
}

.rev__mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--graphite-3);
}

.rev__opt[data-role="correct"] .rev__mark { color: var(--pass); }
.rev__opt[data-role="yours-wrong"] .rev__mark { color: var(--ink); }

.rev__opt p {
  margin: 0;
  font-size: 0.95rem;
}

.rev__note {
  margin-top: 0.3rem !important;
  font-size: 0.87rem !important;
  color: var(--graphite-2);
}

.rev__take {
  margin: 0;
  padding: 0.9rem 1.1rem;
  background: #fff;
  border-left: 3px solid var(--graphite);
  font-size: 0.97rem;
}

.rev__take strong {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite-3);
  display: block;
  margin-bottom: 0.25rem;
}

/* ------------------------------------------------------- condivisione -- */

.share {
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 2px solid var(--graphite);
}

.share__grid {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: start;
}

.share__figure {
  margin: 0;
  line-height: 0;
}

.share__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule, #cfccc0);
  box-shadow: 0 14px 30px -22px rgba(35, 36, 43, 0.7);
}

.share__lede {
  margin: 0 0 1.1rem;
  max-width: 46ch;
  color: var(--graphite-2);
}

.share__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.share__buttons .btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.btn--wa {
  background: var(--pass);
  border-color: var(--pass);
  color: var(--sheet);
}

.btn--wa:hover {
  background: #235540;
}

.restart {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: var(--gap);
  padding-top: 1.4rem;
  border-top: 2px solid var(--graphite);
}

/* --------------------------------------------------- scheda ricorretta -- */

.marked {
  padding: var(--gap) 0 0;
}

.marked__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3.4rem, 1fr));
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  background: var(--sheet-alt);
  border: 1px solid var(--dropout-soft);
}

.marked__item {
  display: grid;
  gap: 0.3rem;
  justify-items: center;
}

.marked__dots {
  display: grid;
  gap: 0.2rem;
  width: 100%;
}

.marked .sheet__dot {
  height: 10px;
}

/* ------------------------------------------------- pagina di esito /e/ -- */

.esito {
  max-width: 720px;
  text-align: left;
}

.esito__img {
  display: block;
  width: 100%;
  height: auto;
  margin: 1.4rem 0 1.6rem;
  border: 1px solid #cfccc0;
}

.esito__testo {
  margin: 0 0 1rem;
  color: var(--graphite-2);
}

.esito .btn {
  display: inline-block;
  margin-top: 0.6rem;
  text-decoration: none;
}

/* ----------------------------------------------------------- accessibile -- */

:focus-visible {
  outline: 2.5px solid var(--ink);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------- mobile -- */

@media (max-width: 860px) {
  .exam {
    grid-template-columns: 1fr;
  }

  /* Sul telefono la domanda viene prima: la scheda resta sotto, come recap
     e come scorciatoia per tornare indietro. */
  .exam__sheet {
    position: static;
    order: 1;
    margin-top: 1.4rem;
    padding: 0.9rem 1rem 1rem;
  }

  .exam__sheet .field-label span {
    display: inline;
  }

  .sheet {
    display: flex;
    gap: 0.3rem;
    overflow-x: auto;
    padding-bottom: 0.4rem;
    scrollbar-width: thin;
  }

  .sheet__row {
    flex: none;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    width: 2.1rem;
    justify-items: center;
    text-align: center;
  }

  .sheet__dot {
    width: 100%;
    height: 8px;
  }

  .verdict {
    grid-template-columns: 1fr;
  }

  .share__grid {
    grid-template-columns: 1fr;
  }

  .share__figure {
    max-width: 18rem;
  }

  .verdict__score {
    justify-self: start;
  }

  .exam__nav {
    flex-wrap: wrap;
  }

  #nav-hint {
    display: none;
  }
}

@media (max-width: 520px) {
  .paper {
    padding: 1.6rem 1.1rem;
  }

  .fiducial {
    display: none;
  }

  .rev__opt {
    grid-template-columns: 1fr;
  }
}