/* ContiDiScuola
   Direzione: biro blu, evidenziatore giallo, foglio a quadretti.
   Quello che scrive lo studente sta sul foglio; quello che calcola il sito sta sul pannello blu. */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/bricolage.woff2") format("woff2");
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("fonts/instrument.woff2") format("woff2");
  font-weight: 400 700;
  font-stretch: 75% 100%;
  font-display: swap;
}

:root {
  --carta: #f7f9fd;
  --foglio: #ffffff;
  --inchiostro: #111a45;
  --tenue: #4b547a;
  --riga: #d3dbec;
  --quadretto: #d9e2f5;
  --biro: #1d34b8;
  --evid: #edf25a;
  --su-evid: #111a45;
  --rosso: #c92a22;
  --verde: #0b7a53;
  --arancio: #a85600;

  --pan: #1d34b8;
  --pan-ombra: #111a45;
  --pan-testo: #ffffff;
  --pan-tenue: #cdd5ff;
  --pan-riga: rgba(255, 255, 255, 0.24);
  --pan-rosso: #ff9d91;
  --pan-arancio: #ffc46b;

  --titoli: "Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --testo: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --bordo: 1.5px;
  --r-foglio: 4px;
  --r-campo: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --carta: #0c1130;
    --foglio: #141a44;
    --inchiostro: #e9ecfb;
    --tenue: #a7b0d8;
    --riga: #2e3878;
    --quadretto: #161d50;
    --biro: #9fb0ff;
    --rosso: #ff8f84;
    --verde: #62d6a9;
    --arancio: #f2b45c;

    --pan: #2239c4;
    --pan-ombra: #060920;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font: 400 1.0625rem/1.6 var(--testo);
  font-stretch: 100%;
}

a { color: var(--biro); text-underline-offset: 0.18em; text-decoration-thickness: 1.5px; }

:focus-visible {
  outline: 3px solid var(--biro);
  outline-offset: 2px;
  border-radius: 4px;
}

.salta {
  position: absolute;
  left: 12px;
  top: -60px;
  padding: 8px 14px;
  background: var(--inchiostro);
  color: var(--carta);
  z-index: 10;
}
.salta:focus { top: 12px; }

.contenitore { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------- Testata ---------- */

.testata { background: var(--foglio); border-bottom: var(--bordo) solid var(--riga); }

.testata-riga { display: grid; gap: 2px; padding-top: 14px; }

.marchio {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-self: start;
  font: 700 1.2rem/1 var(--titoli);
  font-stretch: 88%;
  letter-spacing: -0.01em;
  color: var(--inchiostro);
  text-decoration: none;
}

.marchio svg { width: 30px; height: 30px; flex: none; }
.m-rosso { fill: var(--rosso); }
.m-blu { fill: var(--biro); }

.schede { display: grid; grid-template-columns: repeat(4, auto); justify-content: space-between; gap: 4px; }

.schede a {
  position: relative;
  padding: 12px 2px 13px;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--tenue);
  text-decoration: none;
  white-space: nowrap;
}

.schede a:hover { color: var(--inchiostro); }

.schede a[aria-current="page"] { color: var(--su-evid); font-weight: 600; }

.schede a[aria-current="page"] span {
  background: var(--evid);
  box-shadow: -5px 0 0 var(--evid), 5px 0 0 var(--evid);
  border-radius: 2px;
}

/* ---------- Apertura a quadretti ---------- */

.apertura {
  background-color: var(--carta);
  background-image:
    linear-gradient(var(--quadretto) 1px, transparent 1px),
    linear-gradient(90deg, var(--quadretto) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: center top;
  border-bottom: var(--bordo) solid var(--riga);
  padding: 34px 0 62px;
}

.apertura-home { padding-bottom: 58px; }

.apertura-griglia { display: grid; gap: 30px; }

/* Assaggio in apertura della home */
.assaggio .campo label { color: var(--pan-testo); }

.assaggio input[type="text"] {
  background: #ffffff;
  color: #111a45;
  border-color: transparent;
}

.assaggio input[type="text"]:focus { outline-color: var(--evid); }

.assaggio #prova-out { margin-top: 18px; }

.assaggio .cifra { padding-top: 22px; padding-bottom: 22px; }

.assaggio-altro { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--pan-riga); font-size: 0.98rem; }

h1 {
  margin: 0;
  max-width: 17ch;
  font: 800 clamp(2.4rem, 9.6vw, 4rem) / 0.98 var(--titoli);
  font-stretch: 82%;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.apertura-home h1 { font-size: clamp(2.7rem, 11.5vw, 5.6rem); max-width: 12ch; }

.sommario {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 1.12rem;
  line-height: 1.5;
  color: var(--tenue);
  text-wrap: pretty;
}

/* ---------- Banco di lavoro: dati a sinistra, esito a destra ---------- */

.banco { display: grid; gap: 18px; margin-top: -40px; align-items: start; }

.dati, .esito { border-radius: var(--r-foglio); min-width: 0; }

.dati {
  background: var(--foglio);
  border: var(--bordo) solid var(--inchiostro);
  box-shadow: 5px 5px 0 var(--riga);
  padding: 20px 18px 22px;
}

.esito {
  background: var(--pan);
  color: var(--pan-testo);
  box-shadow: 5px 5px 0 var(--pan-ombra);
  padding: 20px 18px 22px;
}

.esito :focus-visible { outline-color: var(--evid); }
.esito a { color: var(--pan-testo); }

.zona {
  margin: 0 0 16px;
  font: 600 0.95rem/1.2 var(--testo);
  color: var(--tenue);
}

.esito .zona { color: var(--pan-tenue); }

.campi { display: grid; gap: 20px; }

.campo { min-width: 0; }

.campo label, .campo legend, .etichetta {
  display: block;
  padding: 0;
  margin: 0 0 7px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

fieldset.campo { border: 0; padding: 0; margin: 0; }

.aiuto { margin: 7px 0 0; font-size: 0.9rem; line-height: 1.45; color: var(--tenue); }

.errore {
  margin: 7px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--rosso);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--rosso);
}

input[type="text"], textarea {
  width: 100%;
  min-height: 54px;
  padding: 10px 14px;
  font: 600 1.3rem/1.2 var(--titoli);
  font-variant-numeric: tabular-nums;
  color: var(--inchiostro);
  background: var(--carta);
  border: var(--bordo) solid var(--riga);
  border-radius: var(--r-campo);
  transition: border-color 0.15s, background-color 0.15s;
}

input[type="text"]::placeholder, textarea::placeholder { color: var(--tenue); opacity: 0.6; font-weight: 400; }

input[type="text"]:hover, textarea:hover { border-color: var(--tenue); }

input[type="text"]:focus, textarea:focus {
  outline: 3px solid var(--biro);
  outline-offset: 1px;
  border-color: var(--biro);
  background: var(--foglio);
}

input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--rosso); }

textarea { min-height: 96px; resize: vertical; line-height: 1.5; }

/* Campo numerico con più e meno */
.passo { display: grid; grid-template-columns: 54px minmax(0, 1fr) 54px; gap: 6px; }

.passo input { text-align: center; padding-left: 4px; padding-right: 4px; }

.passo button {
  min-height: 54px;
  font: 500 1.6rem/1 var(--titoli);
  color: var(--biro);
  background: var(--foglio);
  border: var(--bordo) solid var(--riga);
  border-radius: var(--r-campo);
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.15s, transform 0.08s;
}

.passo button:hover { border-color: var(--biro); }
.passo button:active { transform: scale(0.94); }

/* Valori rapidi */
.rapidi { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.rapidi button {
  padding: 7px 13px;
  font: 500 0.92rem/1.2 var(--testo);
  color: var(--inchiostro);
  background: transparent;
  border: var(--bordo) solid var(--riga);
  border-radius: 999px;
  cursor: pointer;
  touch-action: manipulation;
}

.rapidi button:hover { border-color: var(--biro); color: var(--biro); }

/* Scelta tra poche opzioni */
.scelta { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 6px; }

.scelta label { margin: 0; position: relative; }

.scelta input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }

.scelta span {
  display: grid;
  place-items: center;
  min-height: 48px;
  padding: 6px 8px;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  color: var(--tenue);
  border: var(--bordo) solid var(--riga);
  border-radius: var(--r-campo);
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}

.scelta input:hover + span { border-color: var(--tenue); }

.scelta input:checked + span {
  background: var(--evid);
  border-color: var(--inchiostro);
  color: var(--su-evid);
  font-weight: 600;
}

.scelta input:focus-visible + span { outline: 3px solid var(--biro); outline-offset: 2px; }

/* Voti letti dal campo di testo */
.letti { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; padding: 0; list-style: none; }

.letti li {
  padding: 3px 10px;
  font: 600 1rem/1.4 var(--titoli);
  font-variant-numeric: tabular-nums;
  border: var(--bordo) solid var(--riga);
  border-radius: 999px;
}

.letti li.no { color: var(--rosso); border-color: var(--rosso); text-decoration: line-through; }

/* Righe per anno nella pagina crediti */
.anno { display: grid; gap: 12px; padding: 18px 0; border-top: var(--bordo) solid var(--riga); }
.anno:first-of-type { border-top: 0; padding-top: 0; }
.anno:last-of-type { padding-bottom: 0; }

.anno + .aiuto { margin-top: 18px; padding-top: 16px; border-top: var(--bordo) solid var(--riga); }

/* ---------- Esito ---------- */

.esito-frase { margin: 0 0 4px; font-size: 1.05rem; font-weight: 500; }

.cifra {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin: 0;
  padding: 26px 0 26px 18px;
}

.cifra-num {
  position: relative;
  display: inline-block;
  padding: 0 0.1em;
  font: 800 clamp(3.4rem, 17vw, 5rem) / 1 var(--titoli);
  font-stretch: 80%;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.cifra-unita { margin-left: 16px; font: 600 1.5rem/1 var(--titoli); font-stretch: 88%; color: var(--pan-tenue); }

.cerchio {
  position: absolute;
  left: -16%;
  top: -24%;
  width: 132%;
  height: 150%;
  overflow: visible;
  pointer-events: none;
}

.cerchio path {
  fill: none;
  stroke: var(--evid);
  stroke-width: 3.5;
  stroke-linecap: butt; /* le punte tonde lasciano artefatti con il tratto a spessore fisso */
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.tono-avviso .cerchio path { stroke: var(--pan-arancio); }
.tono-male .cerchio path { stroke: var(--pan-rosso); }

/* Con il tratto a spessore fisso il tratteggio si misura in pixel dello schermo:
   1400 copre il cerchio anche attorno alla cifra più larga. */
.cifra.nuova .cerchio path { stroke-dasharray: 1400; animation: cerchia 1.3s linear both; }
.cifra.nuova .cifra-num { animation: appoggia 0.28s ease-out both; }

@keyframes cerchia { from { stroke-dashoffset: 1400; } to { stroke-dashoffset: 0; } }
@keyframes appoggia { from { transform: translateY(5px); opacity: 0.4; } to { transform: none; opacity: 1; } }

.esito-nota { margin: 0; font-size: 1.05rem; line-height: 1.45; }
.esito-nota + .esito-nota { margin-top: 8px; }
.esito-nota strong { font-weight: 700; }

.esito-nota.grave { padding-left: 12px; border-left: 3px solid var(--pan-rosso); }

.traguardo { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--pan-riga); }
.traguardo.primo { margin-top: 0; padding-top: 0; border-top: 0; }
.traguardo .esito-frase { color: var(--pan-tenue); }
.traguardo .esito-nota { font-size: 1.2rem; font-weight: 500; }

.esito-vuoto { margin: 0; padding: 8px 0 4px; font-size: 1.1rem; line-height: 1.45; color: var(--pan-tenue); max-width: 30ch; }

.esito-avviso {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--pan-arancio);
  font-size: 0.98rem;
  line-height: 1.45;
}

.esito-avviso.grave { border-left-color: var(--pan-rosso); }

.segnato {
  background: var(--evid);
  color: var(--su-evid);
  padding: 0 0.28em;
  border-radius: 2px;
  font-weight: 700;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.voci { margin: 18px 0 0; }

.voci > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 9px 0;
  border-top: 1px solid var(--pan-riga);
}

.voci dt { color: var(--pan-tenue); font-size: 0.98rem; }
.voci dd { margin: 0; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }

/* Righello delle assenze */
.righello { margin: 18px 0 0; }

.righello-barra {
  position: relative;
  height: 18px;
  border: 1.5px solid var(--pan-testo);
  border-radius: 3px;
  background-image: repeating-linear-gradient(90deg, var(--pan-riga) 0 1px, transparent 1px 10%);
  overflow: hidden;
}

.righello-pieno { height: 100%; background: var(--evid); transition: width 0.3s ease-out; }
.tono-avviso .righello-pieno { background: var(--pan-arancio); }
.tono-male .righello-pieno { background: var(--pan-rosso); }

.righello-estremi {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 0.86rem;
  color: var(--pan-tenue);
  font-variant-numeric: tabular-nums;
}

/* Composizione del voto di maturità */
.somma { margin: 18px 0 0; }

.somma-barra {
  position: relative;
  display: flex;
  height: 18px;
  border: 1.5px solid var(--pan-testo);
  border-radius: 3px;
  overflow: hidden;
}

.somma-barra i { display: block; height: 100%; transition: width 0.3s ease-out; }
.somma-barra .s-crediti { background: var(--pan-testo); }
.somma-barra .s-prove { background: var(--evid); }
.somma-barra .s-bonus { background: var(--pan-arancio); }

.somma-soglia {
  position: absolute;
  left: 60%;
  top: 0;
  bottom: 0;
  width: 0;
  border-left: 2px dashed var(--pan-ombra);
}

.somma-legenda {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--pan-tenue);
}

.somma-legenda span::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 6px;
  border-radius: 2px;
  background: var(--pan-testo);
}

.somma-legenda .l-prove::before { background: var(--evid); }
.somma-legenda .l-bonus::before { background: var(--pan-arancio); }
.somma-legenda .l-soglia::before { width: 0; height: 11px; border-radius: 0; background: none; border-left: 2px dashed var(--pan-tenue); vertical-align: -1px; }

/* ---------- Testi, tabella, domande ---------- */

.testo { padding: 44px 0 56px; }

.testo > * { max-width: 66ch; }

.testo h2 {
  margin: 44px 0 12px;
  font: 700 clamp(1.5rem, 5.4vw, 1.9rem) / 1.1 var(--titoli);
  font-stretch: 86%;
  letter-spacing: -0.015em;
}

.testo > h2:first-child { margin-top: 0; }

.testo p { margin: 0 0 14px; text-wrap: pretty; }

.testo .nota { margin-top: 28px; font-size: 0.95rem; color: var(--tenue); }

/* Regole ancora da verificare: restano riconoscibili finché non sono confermate */
.verifica {
  margin: 20px 0;
  padding: 14px 16px 14px 18px;
  border: var(--bordo) dashed var(--rosso);
  border-left-style: solid;
  border-left-width: 5px;
  border-radius: var(--r-foglio);
  background: var(--foglio);
}

.verifica strong { display: block; margin-bottom: 4px; font: 700 1.05rem/1.2 var(--titoli); color: var(--rosso); }
.verifica p { margin: 0; font-size: 0.98rem; line-height: 1.5; }

.tabella-scorri { overflow-x: auto; margin: 0 -20px; padding: 0 20px; max-width: none; }

table { border-collapse: collapse; width: 100%; max-width: 620px; font-variant-numeric: tabular-nums; }

caption { caption-side: bottom; padding-top: 10px; text-align: left; font-size: 0.9rem; color: var(--tenue); }

th, td { padding: 11px 10px; border-bottom: var(--bordo) solid var(--riga); text-align: center; white-space: nowrap; }

th { font-weight: 600; font-size: 0.95rem; color: var(--tenue); border-bottom-color: var(--inchiostro); }

th:first-child, td:first-child { text-align: left; padding-left: 0; }

td { font: 600 1.08rem/1.3 var(--titoli); }
td:first-child { font: 400 1rem/1.3 var(--testo); }

td span {
  padding: 2px 8px;
  border-radius: 2px;
  transition: background-color 0.2s;
}

td.attiva span { background: var(--evid); color: var(--su-evid); }

details { border-top: var(--bordo) solid var(--riga); }
details:last-of-type { border-bottom: var(--bordo) solid var(--riga); }

summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(var(--biro), var(--biro)) center / 100% 2px no-repeat,
    linear-gradient(var(--biro), var(--biro)) center / 2px 100% no-repeat;
  transition: transform 0.2s;
}

details[open] summary::after { transform: rotate(45deg); }

details p { margin: 0 0 18px; padding-right: 30px; color: var(--tenue); }

/* ---------- Home: il registro degli strumenti ---------- */

.registro { list-style: none; margin: -22px 0 0; padding: 0; }

.registro li + li { margin-top: 12px; }

.registro a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 16px;
  padding: 18px 18px 18px 20px;
  background: var(--foglio);
  border: var(--bordo) solid var(--inchiostro);
  border-radius: var(--r-foglio);
  box-shadow: 5px 5px 0 var(--riga);
  color: var(--inchiostro);
  text-decoration: none;
  transition: box-shadow 0.15s, transform 0.15s;
}

.registro a:hover { box-shadow: 5px 5px 0 var(--biro); }
.registro a:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--biro); }

.registro h2 {
  grid-column: 1;
  margin: 0;
  font: 700 clamp(1.35rem, 5.6vw, 1.75rem) / 1.08 var(--titoli);
  font-stretch: 84%;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.registro p { grid-column: 1; margin: 0; font-size: 0.98rem; line-height: 1.45; color: var(--tenue); }

.prova {
  grid-column: 2;
  grid-row: 1 / span 2;
  text-align: right;
  line-height: 1.1;
}

.prova b {
  display: inline-block;
  padding: 2px 8px;
  font: 800 clamp(1.5rem, 6.4vw, 2.3rem) / 1.05 var(--titoli);
  font-stretch: 80%;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--su-evid);
  background: linear-gradient(var(--evid), var(--evid)) left center / 100% 100% no-repeat;
  border-radius: 2px;
  white-space: nowrap;
}

.prova small { display: block; margin-top: 5px; font-size: 0.8rem; color: var(--tenue); }

/* L'evidenziatore passa sugli esempi una sola volta, al caricamento */
.registro li .prova b { animation: evidenzia 0.5s cubic-bezier(0.3, 0.7, 0.2, 1) both; }
.registro li:nth-child(1) .prova b { animation-delay: 0.25s; }
.registro li:nth-child(2) .prova b { animation-delay: 0.4s; }
.registro li:nth-child(3) .prova b { animation-delay: 0.55s; }
.registro li:nth-child(4) .prova b { animation-delay: 0.7s; }

@keyframes evidenzia { from { background-size: 0% 100%; } to { background-size: 100% 100%; } }

/* ---------- Piede ---------- */

.piede { border-top: var(--bordo) solid var(--riga); padding: 26px 0 40px; font-size: 0.92rem; color: var(--tenue); }

.piede-riga { display: grid; gap: 14px; }

.piede nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }

.piede p { margin: 0; }

/* ---------- Da tablet in su ---------- */

@media (min-width: 720px) {
  .contenitore { padding: 0 32px; }

  .testata-riga { grid-template-columns: auto 1fr; align-items: center; padding-top: 0; gap: 32px; }
  .schede { justify-content: end; gap: 30px; }
  .schede a { padding: 21px 2px; }

  .apertura { padding: 56px 0 96px; }
  .apertura-home { padding-bottom: 96px; }
  .sommario { font-size: 1.22rem; margin-top: 20px; }

  .dati, .esito { padding: 28px; }

  .campi.due { grid-template-columns: 1fr 1fr; }

  .anno { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); align-items: start; gap: 18px; }

  .tabella-scorri { margin: 0; padding: 0; }

  .registro { margin-top: -40px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .registro li + li { margin-top: 0; }
  .registro a { height: 100%; padding: 26px 24px 26px 28px; align-items: start; }
  .prova { align-self: center; }

  .piede-riga { grid-template-columns: 1fr auto; align-items: center; }
}

@media (min-width: 960px) {
  .banco { grid-template-columns: minmax(0, 1fr) 400px; gap: 28px; margin-top: -56px; }
  .apertura-griglia { grid-template-columns: minmax(0, 1fr) 400px; gap: 48px; align-items: end; }
  .apertura-griglia .esito { position: static; }
  .esito { position: sticky; top: 24px; }
  .testo { padding: 64px 0 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}