/* ==========================================================
   RIBELLI & RIVOLUZIONARI — Musée d'Orsay
   Design: cover scura d'impatto + pagine del percorso chiare
   (stile "catalogo museale" leggibile, per teen 13-18)
   ========================================================== */

:root{
  /* Colori "hero" (solo copertina) */
  --black: #0d0d0f;
  --dark: #17171a;
  --dark2: #202024;

  /* Colori pagine del percorso (tema chiaro) */
  --paper: #f7f3ea;      /* sfondo pagina, crema caldo */
  --card: #ffffff;        /* sfondo card */
  --card-alt: #efe8d8;    /* sfondo card alternativo / hover */
  --ink: #19181c;         /* testo principale scuro */
  --ink-soft: #6b6a70;    /* testo secondario grigio */
  --line: rgba(20,18,10,0.12); /* bordi sottili */

  /* Accenti brand (usati su chiaro e scuro) */
  --red: #e63946;
  --orange: #f4a300;
  --orange-ink: #a66500;  /* variante scura per testo leggibile su bianco */
  --purple: #7b2cbf;
  --teal: #2a9d8f;
  --teal-ink: #1c7368;    /* variante scura per testo leggibile su bianco */
  --white: #ffffff;
  --gray: #8a8a92;

  --font-display: 'Anton', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --radius: 18px;
}

*{ margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color: transparent; }

html, body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

button{ font-family: inherit; border:none; cursor:pointer; background:none; color:inherit; }
input, textarea{ font-family: inherit; }
img{ max-width:100%; display:block; }

/* ---------- Screens ---------- */
.screen{
  display:none;
  min-height:100vh;
  width:100%;
  position:relative;
}
.screen.active{ display:block; }

/* ================= COVER (rimane scura, effetto d'impatto) ================= */
#cover-screen{
  min-height:100vh;
  align-items:center;
  justify-content:center;
  background: radial-gradient(circle at 30% 20%, #3a0d14 0%, var(--black) 60%);
  position:relative;
  overflow:hidden;
  text-align:center;
  padding: 24px;
  color: var(--white);
}
#cover-screen.active{
  display:flex;
}
.cover-bg{
  position:absolute; inset:0;
  background:
    linear-gradient(135deg, rgba(230,57,70,0.25), transparent 50%),
    linear-gradient(315deg, rgba(123,44,191,0.25), transparent 50%);
  z-index:0;
}
.cover-noise{
  position:absolute; inset:0; z-index:0; opacity:.05;
  background-image: repeating-linear-gradient(0deg, #fff 0px, transparent 1px, transparent 2px);
}
.cover-content{ position:relative; z-index:1; max-width:560px; }
.cover-eyebrow{
  display:inline-block;
  font-size:0.72rem; letter-spacing:0.18em; font-weight:600;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 6px 14px; border-radius: 30px;
  margin-bottom: 22px;
  text-transform: uppercase;
}
.cover-title{
  font-family: var(--font-display);
  font-size: clamp(3rem, 13vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.cover-title-accent{
  color: var(--red);
  -webkit-text-stroke: 2px var(--white);
}
.cover-tagline{
  font-size: 1.08rem;
  color: var(--white);
  opacity:.85;
  margin-bottom: 36px;
  line-height:1.5;
}
.cover-meta{
  margin-top: 20px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}
.cover-scroll-hint{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  color: rgba(255,255,255,0.6);
  animation: bounce 2s infinite;
}
@keyframes bounce{ 0%,100%{ transform:translate(-50%,0);} 50%{ transform:translate(-50%,8px);} }

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  background: var(--red);
  color: var(--white);
  font-weight:700;
  font-size: 1.02rem;
  padding: 16px 30px;
  border-radius: 100px;
  box-shadow: 0 8px 24px rgba(230,57,70,0.3);
  transition: transform .15s ease, box-shadow .15s ease;
  width: 100%;
  max-width: 340px;
}
.btn-primary:active{ transform: scale(0.97); }
.btn-primary:hover{ box-shadow: 0 10px 28px rgba(230,57,70,0.42); }

.btn-secondary{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background: var(--card);
  color: var(--ink);
  font-weight:600;
  padding: 14px 22px;
  border-radius: 100px;
  border: 1px solid var(--line);
}
.btn-secondary:active{ background: var(--card-alt); }
.btn-ghost{
  margin-top: 14px;
  color: var(--ink-soft);
  text-decoration: underline;
  font-size: 0.9rem;
}

/* ================= ONBOARDING ================= */
#onboarding-screen{
  display:none;
  min-height:100vh;
  align-items:center; justify-content:center;
  background: var(--paper);
  padding: 24px;
}
#onboarding-screen.active{ display:flex; }
.onboarding-card{
  max-width: 420px;
  width:100%;
  text-align:center;
  background: var(--card);
  padding: 40px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(20,18,10,0.06);
}
.onboarding-icon{ font-size: 2.6rem; color: var(--red); margin-bottom:18px; }
.onboarding-card h2{ font-family: var(--font-display); font-size:1.6rem; margin-bottom:12px; text-transform:uppercase; color: var(--ink); }
.onboarding-card p{ color: var(--ink-soft); font-size:0.95rem; margin-bottom:24px; line-height:1.5; }
.onboarding-card input{
  width:100%;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 1rem;
  margin-bottom: 18px;
  text-align:center;
}
.onboarding-card input::placeholder{ color: var(--gray); }
.onboarding-card input:focus{ outline:2px solid var(--red); }

/* ================= HEADER (map/artwork/stanza) ================= */
.app-header{
  position: sticky; top:0; z-index: 20;
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(247,243,234,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.app-header.dark{ background: rgba(247,243,234,0.96); }
.header-title{ font-weight:700; font-family: var(--font-display); letter-spacing:.02em; text-transform:uppercase; font-size:1.05rem; color: var(--ink); }
.icon-btn{
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--card-alt);
  color: var(--ink);
  font-size: 1.1rem;
  flex-shrink:0;
}
.icon-btn:active{ background: var(--line); }

.header-progress{ flex:1; display:flex; flex-direction:column; gap:6px; align-items:center; }
.header-progress-bar{
  width:100%; max-width:260px; height:8px; border-radius:8px;
  background: var(--card-alt); overflow:hidden;
}
.header-progress-fill{
  height:100%; width:0%;
  background: linear-gradient(90deg, var(--red), var(--orange));
  border-radius:8px;
  transition: width .4s ease;
}
#global-progress-label{ font-size:0.72rem; color: var(--ink-soft); letter-spacing:.02em; }

/* ================= MAP SCREEN ================= */
#map-screen{ background: var(--paper); }
.map-scroll{ padding: 20px 16px 100px; max-width: 720px; margin:0 auto; }
.map-intro{ text-align:center; margin-bottom: 28px; }
.map-intro h2{ font-family: var(--font-display); font-size:1.7rem; text-transform:uppercase; margin-bottom:8px; color: var(--ink); }
.map-intro p{ color: var(--ink-soft); font-size:0.92rem; }

.act-block{ margin-bottom: 34px; }
.act-header{
  display:flex; align-items:center; gap:14px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--act-color, var(--red));
}
.act-num{
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--act-color, var(--red));
  min-width: 46px;
}
.act-titles h3{ font-family: var(--font-display); text-transform:uppercase; font-size:1.15rem; letter-spacing:.01em; color: var(--ink); }
.act-titles span{ font-size:0.8rem; color: var(--ink-soft); }
.act-icon{ margin-left:auto; font-size:1.3rem; color: var(--act-color, var(--red)); opacity:.75; }
.act-intro-text{ font-size: 0.85rem; color: var(--ink-soft); margin-bottom:14px; line-height:1.5; }

.artwork-cards{ display:flex; flex-direction:column; gap:12px; }
.artwork-card{
  display:flex; align-items:center; gap:14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  position:relative;
  box-shadow: 0 2px 10px rgba(20,18,10,0.04);
  transition: transform .12s ease;
}
.artwork-card:active{ transform: scale(0.98); }
.artwork-card.done{ border-color: var(--act-color, var(--teal)); border-width: 1.5px; }
.artwork-card-thumb{
  width: 68px; height:68px; border-radius:12px; overflow:hidden; flex-shrink:0;
  background: var(--card-alt);
}
.artwork-card-thumb img{ width:100%; height:100%; object-fit:cover; }
.artwork-card-info{ flex:1; min-width:0; }
.artwork-card-num{ font-size:0.7rem; color: var(--act-color, var(--ink-soft)); font-weight:700; letter-spacing:.05em; }
.artwork-card-title{ font-weight:700; font-size:0.98rem; line-height:1.25; margin: 2px 0; color: var(--ink); }
.artwork-card-artist{ font-size:0.78rem; color: var(--ink-soft); }
.artwork-card-check{
  width: 30px; height:30px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--card-alt);
  color: var(--ink-soft);
  flex-shrink:0;
  font-size: 0.95rem;
}
.artwork-card.done .artwork-card-check{ background: var(--teal); color: var(--white); }

.stanza-cta{
  display:flex; align-items:center; gap:14px;
  width:100%;
  background: linear-gradient(135deg, var(--purple), #4a1580);
  padding: 18px 20px;
  border-radius: 18px;
  margin-top: 20px;
  box-shadow: 0 8px 20px rgba(123,44,191,0.28);
  color: var(--white);
}
.stanza-cta i:first-child{ font-size:1.6rem; }
.stanza-cta div{ display:flex; flex-direction:column; text-align:left; flex:1; }
.stanza-cta strong{ font-size:1rem; }
.stanza-cta span{ font-size:0.78rem; opacity:.9; }

/* ================= ARTWORK SCREEN ================= */
#artwork-screen{ background: var(--paper); }
.artwork-topbar{
  position: sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 16px;
  background: rgba(247,243,234,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.artwork-counter{ font-weight:700; font-size:0.85rem; color: var(--ink-soft); letter-spacing:.05em; }
#artwork-fav-btn.active{ background: var(--teal); color: var(--white); }

.artwork-image-wrap{
  position:relative;
  width:100%;
  background: #e7e0cc;
  display:flex; align-items:center; justify-content:center;
  max-height: 62vh;
  overflow:hidden;
}
.artwork-image-wrap img{ width:100%; max-height:62vh; object-fit:contain; }
.artwork-tag{
  position:absolute; top:14px; left:14px;
  background: var(--red);
  color:#fff; font-weight:700; font-size:0.7rem;
  letter-spacing:.08em; text-transform:uppercase;
  padding: 6px 12px; border-radius: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.artwork-body{ max-width: 680px; margin: 0 auto; padding: 24px 18px 60px; }
.artwork-sala{ font-size:0.82rem; color: var(--orange-ink); margin-bottom:10px; font-weight:600; }
.artwork-sala i{ margin-right:4px; }
#artwork-title{ font-family: var(--font-display); font-size: clamp(1.6rem, 6vw, 2.2rem); text-transform:uppercase; line-height:1.1; margin-bottom:6px; color: var(--ink); }
.artwork-meta{ color: var(--ink-soft); font-size:0.92rem; margin-bottom:8px; }
.artwork-hashtag{ color: var(--teal-ink); font-size:0.85rem; margin-bottom:22px; font-weight:500; }

.story-card, .rebel-card, .question-card{
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  background: var(--card);
  box-shadow: 0 2px 10px rgba(20,18,10,0.04);
}
.story-card{ border-left: 4px solid var(--orange); }
.rebel-card{ border-left: 4px solid var(--red); background: #fdf1f1; }
.question-card{ border-left: 4px solid var(--purple); background: #f7f0fc; }
.story-card h3, .rebel-card h3, .question-card h3{
  font-size: 0.85rem; text-transform:uppercase; letter-spacing:.05em;
  margin-bottom: 10px; display:flex; align-items:center; gap:8px;
  color: var(--ink);
}
.story-card p, .rebel-card p, .question-card p{ font-size:0.95rem; line-height:1.6; color: var(--ink); opacity:.88; }

.reazioni-grid{ display:flex; flex-wrap:wrap; gap:8px; margin: 14px 0; }
.reazione-chip{
  background: var(--card);
  border: 1px solid var(--line);
  padding: 9px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--ink);
  transition: all .15s ease;
}
.reazione-chip.selected{ background: var(--purple); border-color: var(--purple); color: var(--white); }

#artwork-note{
  width:100%;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  padding: 12px;
  font-size: 0.9rem;
  margin-top: 6px;
  resize: vertical;
}
#artwork-note::placeholder{ color: var(--gray); }

.artwork-nav{ display:flex; gap:10px; margin-top: 26px; }
.artwork-nav .btn-secondary, .artwork-nav .btn-primary{ flex:1; padding: 14px 12px; font-size:0.92rem; }

/* ================= MODALS ================= */
.modal-overlay{
  display:none;
  position: fixed; inset:0; z-index: 100;
  background: rgba(15,13,8,0.55);
  align-items:center; justify-content:center;
  padding: 20px;
}
.modal-overlay.active{ display:flex; }
.modal-card{
  position:relative;
  background: var(--card);
  border-radius: 20px;
  padding: 28px 22px;
  max-width: 440px;
  width:100%;
  max-height: 85vh;
  overflow-y:auto;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  color: var(--ink);
}
.modal-close{
  position:absolute; top:14px; right:14px;
  width:36px; height:36px; border-radius:50%;
  background: var(--card-alt);
  color: var(--ink);
  display:flex; align-items:center; justify-content:center;
}
.modal-card h2{ font-family: var(--font-display); text-transform:uppercase; font-size:1.4rem; margin-bottom:16px; display:flex; align-items:center; gap:10px; color: var(--ink); }

.badges-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:12px; }
.badge-item{
  background: var(--paper);
  border-radius: 14px;
  padding: 16px 10px;
  text-align:center;
  border: 1px solid var(--line);
  opacity: 0.45;
}
.badge-item.unlocked{ opacity:1; border-color: var(--orange); background: #fdf3df; }
.badge-item i{ font-size:1.8rem; margin-bottom:8px; display:block; color: var(--orange-ink); }
.badge-item span{ font-size:0.78rem; font-weight:600; display:block; color: var(--ink); }

#write-modal-emoji{ font-size:2.2rem; margin-bottom:4px; }
#write-modal-title{ font-family: var(--font-body); font-weight:700; font-size:1.05rem; margin-bottom:16px; text-transform:none; color: var(--ink); }
#write-modal-textarea{
  width:100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  padding: 12px;
  font-size: 0.95rem;
  resize: vertical;
}
.char-counter{ display:block; text-align:right; font-size:0.75rem; color: var(--ink-soft); margin: 6px 0 16px; }

/* ================= STANZA DELLA RIBELLIONE ================= */
#stanza-screen{ background: var(--paper); }
.stanza-scroll{ max-width: 680px; margin: 0 auto; padding: 20px 18px 60px; }
.stanza-intro{ text-align:center; margin: 30px 0 34px; }
.stanza-intro i{ font-size:2.2rem; color: var(--purple); margin-bottom:14px; display:block; }
.stanza-intro h2{ font-family: var(--font-display); text-transform:uppercase; font-size:1.5rem; margin-bottom:10px; color: var(--ink); }
.stanza-intro p{ color: var(--ink-soft); font-size:0.92rem; line-height:1.5; }

.stanza-prompts{ display:flex; flex-direction:column; gap:12px; margin-bottom: 40px; }
.stanza-prompt-card{
  display:flex; align-items:center; gap:14px;
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(20,18,10,0.04);
}
.stanza-prompt-card .emoji{ font-size:1.8rem; }
.stanza-prompt-card .frase{ flex:1; font-weight:600; font-size:0.95rem; color: var(--ink); }
.stanza-prompt-card i.arrow{ color: var(--ink-soft); }
.stanza-prompt-card.answered{ border-color: var(--teal); border-width: 1.5px; }
.stanza-prompt-card.answered i.arrow{ color: var(--teal); }

.stanza-wall-section h3{ font-family: var(--font-display); text-transform:uppercase; font-size:1.2rem; margin-bottom:6px; color: var(--ink); }
.stanza-wall-hint{ color: var(--ink-soft); font-size:0.85rem; margin-bottom:18px; }
.stanza-wall{ display:flex; flex-direction:column; gap:12px; margin-bottom:18px; }
.wall-post{
  background: var(--card);
  border-radius: 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  box-shadow: 0 2px 10px rgba(20,18,10,0.04);
}
.wall-post .wall-author{ font-size:0.78rem; color: var(--orange-ink); font-weight:700; margin-bottom:4px; }
.wall-post .wall-text{ font-size:0.92rem; line-height:1.5; color: var(--ink); }
.wall-empty{ text-align:center; color: var(--ink-soft); font-size:0.88rem; padding: 20px 0; }

.stanza-final{ text-align:center; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--line); }
.stanza-final p{ margin-bottom: 10px; color: var(--ink); }
.stanza-final-quote{ font-style: italic; color: var(--orange-ink); font-size:0.98rem; margin-bottom:26px; }

/* ================= TOAST ================= */
.toast{
  position: fixed; bottom: 24px; left:50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--white);
  padding: 12px 22px; border-radius: 30px;
  font-size: 0.88rem; font-weight:600;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  opacity:0; pointer-events:none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 200;
  max-width: 90%;
  text-align:center;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* ================= RESPONSIVE ================= */
@media (min-width: 720px){
  .artwork-image-wrap{ max-height: 70vh; }
  .artwork-image-wrap img{ max-height:70vh; }
}