/* 'O Castagnaro Poeta — style.css (mobile-first) */

:root {
  --crema: #F3E3C8;
  --crema-chiaro: #FBF3E4;
  --carta: #FFF8EC;
  --castagna: #7A2E1E;
  --castagna-notte: #5E2216;
  --ruggine: #C0502A;
  --ruggine-scuro: #A4421F;
  --petrolio: #2F6B68;
  --oro: #E3A23A;
  --inchiostro: #3B1F14;
  --granata: #8B1E2D;

  --f-titoli: "DM Serif Display", "Playfair Display", Georgia, serif;
  --f-poesia: "Lora", Georgia, "Times New Roman", serif;
  --f-ui: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --raggio: 16px;
  --ombra: 0 2px 0 rgba(122, 46, 30, .18), 0 8px 20px rgba(122, 46, 30, .12);
  color-scheme: light;
}

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

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

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--f-ui);
  font-size: 17px;
  line-height: 1.45;
  color: var(--castagna);
  background-color: var(--crema);
  /* gradiente caldo + leggera grana di carta */
  background-image:
    radial-gradient(rgba(122, 46, 30, .05) 1px, transparent 1.4px),
    radial-gradient(120% 70% at 50% -10%, #FBF0DC 0%, rgba(251, 240, 220, 0) 60%),
    radial-gradient(90% 60% at 50% 115%, rgba(192, 80, 42, .14) 0%, rgba(192, 80, 42, 0) 70%);
  background-size: 7px 7px, 100% 100%, 100% 100%;
  background-attachment: scroll;
  -webkit-tap-highlight-color: transparent;
}

[hidden] { display: none !important; }

/* ---------- Decorazioni agli angoli della pagina ---------- */
.deco-pagina { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.deco-gruppo { position: absolute; width: 132px; height: 132px; opacity: .92; }
.deco-gruppo.angolo-alto { top: -14px; right: -14px; transform: scaleX(-1); }
.deco-gruppo.angolo-basso { bottom: -14px; left: -14px; transform: rotate(180deg) scaleX(-1); width: 100px; height: 100px; }

/* ---------- Struttura ---------- */
main {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) 14px 20px;
}

.schermata { animation: entra .28s ease-out both; }
@keyframes entra { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

h1, h2, .titolo-schermata { font-family: var(--f-titoli); font-weight: 400; color: var(--castagna); }
:focus { outline: none; }
:focus-visible { outline: 3px solid var(--petrolio); outline-offset: 3px; border-radius: 6px; }
[tabindex="-1"]:focus-visible { outline: none; }

/* ---------- Pulsanti ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 52px; width: 100%;
  padding: 12px 20px;
  border: 0; border-radius: 14px;
  font: 800 1.1875rem/1.2 var(--f-ui); /* 19px bold = "testo grande" WCAG */
  letter-spacing: .01em;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
  user-select: none; -webkit-user-select: none;
}
.btn:active { transform: translateY(2px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-grande { min-height: 60px; font-size: 1.25rem; }
.btn-icona { font-size: 1.2em; line-height: 1; }

.btn-primario { background: var(--ruggine); color: var(--crema); box-shadow: 0 4px 0 var(--castagna-notte), 0 8px 18px rgba(122, 46, 30, .22); }
.btn-primario:hover { background: var(--ruggine-scuro); }
.btn-primario:active { box-shadow: 0 2px 0 var(--castagna-notte); }

.btn-secondario { background: var(--carta); color: var(--castagna); border: 2.5px solid var(--castagna); box-shadow: 0 4px 0 rgba(122, 46, 30, .35); }
.btn-secondario:active { box-shadow: 0 2px 0 rgba(122, 46, 30, .35); }

.btn-terziario { background: transparent; color: var(--petrolio); border: 2px solid var(--petrolio); font-size: 1.0625rem; min-height: 50px; padding: 10px 12px; }
.btn-terziario:active { background: rgba(47, 107, 104, .08); }

.indietro {
  display: inline-flex; align-items: center;
  min-height: 48px; padding: 0 12px 0 4px; margin: -8px 0 6px -4px;
  background: none; border: 0; color: var(--petrolio);
  font: 700 1rem var(--f-ui); cursor: pointer;
}

/* ---------- Home ---------- */
.schermata-home { text-align: center; padding-top: 8px; }
.illustrazione-home { position: relative; width: 150px; height: 120px; margin: 0 auto 6px; }
.illustrazione-home svg { position: absolute; }
.illustrazione-home .deco-castagna { width: 84px; height: 84px; left: 33px; top: 28px; z-index: 2; filter: drop-shadow(0 4px 4px rgba(94, 34, 22, .25)); }
.illustrazione-home .f1 { width: 86px; height: 86px; left: -4px; top: 0; transform: rotate(-38deg); }
.illustrazione-home .f2 { width: 74px; height: 74px; right: -2px; top: 4px; transform: rotate(32deg); }
.logo-sagra { display: block; width: 160px; height: auto; margin: 0 auto 8px; }

.titolo-app {
  margin: 0;
  font-size: clamp(2.5rem, 12vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -.01em;
  text-shadow: 0 2px 0 rgba(227, 162, 58, .35);
}
.sottotitolo {
  margin: 10px 0 0;
  font-weight: 800; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--petrolio);
}
.sottotitolo span { white-space: nowrap; }
@media (max-width: 440px) { .sottotitolo .sep { display: none; } .sottotitolo span:last-child { display: block; } }
.invito { margin: 22px auto 26px; max-width: 22em; font-family: var(--f-poesia); font-size: 1.25rem; color: var(--inchiostro); }
.scelte { display: grid; gap: 16px; }

/* ---------- Nome ---------- */
.titolo-schermata { display: block; margin: 4px 0 6px; font-size: 2.25rem; line-height: 1.08; }
.aiuto { margin: 0 0 16px; color: var(--inchiostro); font-size: 1.0625rem; }
.campo { position: relative; }
.campo input {
  width: 100%; min-height: 60px;
  padding: 14px 70px 14px 18px;
  font: 600 1.375rem var(--f-ui); color: var(--inchiostro);
  background: var(--carta);
  border: 2.5px solid var(--castagna); border-radius: 14px;
  box-shadow: inset 0 2px 0 rgba(122, 46, 30, .08);
  -webkit-appearance: none; appearance: none;
}
.campo input:focus { outline: none; border-color: var(--petrolio); box-shadow: 0 0 0 4px rgba(47, 107, 104, .25); }
.campo input[aria-invalid="true"] { border-color: var(--granata); }
.contatore {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-weight: 700; font-size: .95rem; color: var(--petrolio); font-variant-numeric: tabular-nums;
}
.contatore.pieno { color: var(--granata); }
.errore {
  min-height: 1.45em; margin: 10px 2px 14px;
  font-weight: 700; font-size: 1.0625rem; color: var(--granata);
}
.errore.scuoti { animation: scuoti .35s ease; }
@keyframes scuoti { 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }

/* ---------- Temi: carte da gioco ---------- */
.griglia-temi { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.carta-tema {
  --accento: var(--castagna);
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  min-height: 132px; padding: 18px 10px;
  background: var(--carta);
  border: 2.5px solid var(--accento); border-radius: 14px;
  box-shadow: var(--ombra);
  color: var(--accento);
  font: 800 1.125rem/1.15 var(--f-ui);
  cursor: pointer; touch-action: manipulation;
  transition: transform .15s ease, box-shadow .15s ease;
}
.carta-tema::before { /* cornicetta interna da carta da gioco */
  content: ""; position: absolute; inset: 6px;
  border: 1.5px solid var(--oro); border-radius: 9px; pointer-events: none;
}
.carta-tema.accento::before { border-color: var(--accento); opacity: .45; }
.carta-tema .icona { font-size: 2.6rem; line-height: 1; }
.carta-tema .seme { position: absolute; font-size: .85rem; line-height: 1; opacity: .85; }
.carta-tema .seme.alto { top: 12px; left: 12px; }
.carta-tema .seme.basso { bottom: 12px; right: 12px; transform: rotate(180deg); }
.carta-tema:active { transform: translateY(-3px) rotate(-1deg); }
.carta-tema.salta { animation: salta .26s ease-out; }
@keyframes salta {
  0% { transform: none; }
  45% { transform: translateY(-10px) rotate(-2.5deg); box-shadow: 0 14px 22px rgba(122, 46, 30, .22); }
  100% { transform: none; }
}

/* ---------- Attesa ---------- */
.schermata-attesa { text-align: center; padding-top: 12vh; }
.fuoco { position: relative; width: 150px; height: 170px; margin: 0 auto 18px; }
.falo { position: absolute; bottom: 0; left: 15px; width: 120px; height: 90px; }
.fiamma { transform-origin: 60px 78px; animation: fiamma .6s ease-in-out infinite alternate; }
.fiamma-2 { animation-duration: .45s; animation-delay: -.2s; }
@keyframes fiamma { from { transform: scale(1, 1); } to { transform: scale(.92, 1.12); } }
.castagna-salta { position: absolute; left: 47px; top: 0; width: 56px; height: 56px; animation: saltella .55s cubic-bezier(.3, 0, .6, 1) infinite alternate; }
@keyframes saltella { from { transform: translateY(46px) rotate(-12deg); } to { transform: translateY(0) rotate(14deg); } }
.attesa-titolo { margin: 0; font-family: var(--f-titoli); font-size: 1.9rem; line-height: 1.1; }
.attesa-sotto { min-height: 1.5em; margin: 10px 0 0; font-family: var(--f-poesia); font-style: italic; font-size: 1.15rem; color: var(--inchiostro); }

/* ---------- Card della poesia (stesso stile dell'immagine) ---------- */
.card {
  position: relative; overflow: hidden;
  padding: 34px 14px 26px;
  text-align: center;
  background:
    radial-gradient(80% 50% at 50% 45%, rgba(255, 248, 236, .9), rgba(255, 248, 236, 0) 70%),
    linear-gradient(180deg, #F8EBD4 0%, #EFD8B6 100%);
  border-radius: 18px;
  box-shadow: 0 0 0 4px var(--oro), 0 0 0 6px var(--castagna), 0 14px 30px rgba(94, 34, 22, .25);
  margin: 10px 4px 0;
  cursor: default;
}
.card::before { content: ""; position: absolute; inset: 9px; border: 1.5px solid rgba(122, 46, 30, .35); border-radius: 12px; pointer-events: none; }
.card.scrivendo { cursor: pointer; }
.card-deco { position: absolute; width: 96px; height: 96px; pointer-events: none; }
.card-deco.alto { top: -10px; left: -10px; }
.card-deco.basso { bottom: -10px; right: -10px; transform: rotate(180deg); }
.card-testata { position: relative; margin: 0; font-family: var(--f-titoli); font-size: 1.15rem; color: var(--ruggine-scuro); }
.divisore { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 6px 0 4px; }
.divisore::before, .divisore::after { content: ""; width: 54px; height: 2px; background: var(--oro); border-radius: 2px; }
.divisore svg { width: 20px; height: 20px; }
.card-titolo { position: relative; margin: 6px 6px 16px; font-size: 1.85rem; line-height: 1.1; overflow-wrap: anywhere; }
.card-versi { position: relative; font-family: var(--f-poesia); font-size: 1.25rem; line-height: 1.32; color: var(--inchiostro); }
.verso { margin: 0 0 .5em; overflow-wrap: break-word; text-wrap: balance; }
.verso:last-child { margin-bottom: 0; }
.verso .ancora { visibility: hidden; }
.card-piede { position: relative; margin: 20px 0 0; font-size: .8125rem; font-weight: 700; letter-spacing: .02em; color: var(--castagna); }
.card-piede span { white-space: nowrap; }
.card-piede strong { color: var(--petrolio); font-weight: 800; }
.tocca { position: relative; margin: 10px 0 0; font-size: .875rem; color: var(--petrolio); font-weight: 700; }
.card:not(.scrivendo) .tocca { visibility: hidden; }

.stand { margin: 18px 0 0; text-align: center; font-family: var(--f-poesia); font-style: italic; font-size: 1rem; color: var(--castagna); }

.azioni { display: grid; gap: 12px; margin-top: 18px; }
.btn-condividi { flex-direction: column; gap: 2px; min-height: 68px; }
.btn-riga { display: inline-flex; align-items: center; gap: .5em; }
.btn-sotto { font-size: .9375rem; font-weight: 700; opacity: .95; }
.suggerimento { margin: -2px 0 0; text-align: center; font-weight: 700; color: var(--petrolio); }
.stato-immagine { min-height: 1.2em; margin: 0; text-align: center; font-size: .9rem; color: var(--inchiostro); }

/* ---------- Errore ---------- */
.schermata-errore { text-align: center; padding-top: 10vh; }
.errore-icona svg { width: 84px; height: 84px; transform: rotate(160deg); opacity: .9; }

/* ---------- Anteprima a schermo intero ---------- */
.anteprima {
  position: fixed; inset: 0; z-index: 10;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  background: rgba(30, 14, 9, .94);
  color: var(--crema); text-align: center;
}
.anteprima img { max-width: 100%; max-height: calc(100% - 130px); border-radius: 10px; box-shadow: 0 10px 40px rgba(0, 0, 0, .5); -webkit-touch-callout: default; }
.anteprima p { margin: 0; font-weight: 800; font-size: 1.15rem; }
.anteprima .btn { max-width: 260px; }

/* ---------- Piè di pagina ---------- */
.piede {
  position: relative; z-index: 1;
  max-width: 480px; margin: 0 auto;
  padding: 18px 28px max(24px, env(safe-area-inset-bottom)) 64px;
  text-align: center; font-size: .875rem; color: var(--castagna);
}

.solo-lettori { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

/* ---------- Schermi più grandi ---------- */
@media (min-width: 600px) {
  main { padding-top: 48px; }
  .deco-gruppo, .deco-gruppo.angolo-basso { width: 220px; height: 220px; }
  .piede { padding-left: 28px; }
  .card { padding: 40px 34px 30px; }
}

/* ---------- Meno movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .castagna-salta { transform: translateY(30px); }
}