/* =========================================================
   layout.css — struttura pagine, libro, menu, dialogo
   ========================================================= */

.book {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: clamp(2rem, 6vw, 5rem) var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page {
  width: 100%;
  max-width: 880px;
  position: relative;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  background:
    /* macchie pergamena */
    radial-gradient(ellipse at 20% 30%, rgba(138, 106, 44, 0.12), transparent 40%),
    radial-gradient(ellipse at 80% 70%, rgba(122, 36, 24, 0.08), transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(232, 201, 135, 0.06), transparent 60%),
    linear-gradient(180deg, var(--parchment) 0%, var(--parchment-2) 100%);
  color: var(--ink);
  box-shadow:
    0 0 0 1px rgba(58, 39, 16, 0.4),
    0 0 0 8px var(--vellum-dark),
    0 0 0 9px rgba(201, 164, 90, 0.5),
    0 30px 80px -20px rgba(0, 0, 0, 0.7),
    inset 0 0 80px rgba(122, 70, 20, 0.18);
  border-radius: var(--radius);
}

/* COPERTINA */
.cover-page {
  text-align: center;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cover-frame {
  width: 100%;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}
.cover-eyebrow {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.75rem;
  color: var(--gold-deep);
  margin: 0;
}
.cover-byline {
  font-family: var(--display);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
  display: flex;
  gap: 1rem;
  align-items: center;
}
.cover-byline .amp {
  color: var(--gold-deep);
  font-style: italic;
  letter-spacing: 0;
}
.cover-seal {
  margin: 0.6rem 0;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}
.cover-quote {
  max-width: 38ch;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.8;
}
/* Bottone principale copertina — stile cremisi (uguale al capolettera) */
.enter-btn {
  margin-top: 0.6rem;
  padding: 0.85rem 2rem;
  border: 1px solid var(--crimson);
  background: linear-gradient(180deg, var(--crimson-soft), var(--crimson));
  color: var(--parchment);
  font-family: var(--display);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-size: 0.85rem;
  border-radius: 1px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.15),
    0 6px 20px -6px rgba(122, 36, 24, 0.6);
  transition: transform var(--t-fast) var(--ease), background var(--t-med) var(--ease);
}
.enter-btn:hover {
  background: linear-gradient(180deg, #c04030, var(--crimson-soft));
  transform: translateY(-1px);
}

/* Controlli flottanti */
.floating-controls {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 10;
  display: flex;
  gap: 0.5rem;
}
.ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  background: rgba(26, 17, 8, 0.78);
  border: 1px solid var(--gold-deep);
  color: var(--gold-bright);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.ctrl-btn:hover { background: rgba(58, 39, 16, 0.9); color: var(--amber-glow); }
.ctrl-btn[aria-pressed="true"] { background: var(--gold-deep); color: var(--vellum-deep); }
.ctrl-icon { font-size: 1rem; line-height: 1; }

/* Menu laterale */
.side-menu {
  position: fixed;
  top: 0;
  right: -340px;
  width: 320px;
  max-width: 90vw;
  height: 100vh;
  background: linear-gradient(180deg, var(--vellum-dark), var(--vellum-deep));
  border-left: 1px solid var(--gold-deep);
  z-index: 20;
  transition: right var(--t-med) var(--ease);
  color: var(--parchment);
  box-shadow: -10px 0 40px rgba(0,0,0,0.6);
}
.side-menu[aria-hidden="false"] { right: 0; }
.menu-inner {
  padding: 5rem 1.6rem 1.6rem;
  height: 100%;
  overflow-y: auto;
}
.menu-title {
  font-family: var(--display);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--gold-bright);
  margin: 0 0 1.6rem;
  border-bottom: 1px solid var(--gold-deep);
  padding-bottom: 0.6rem;
}
.chapter-list { padding: 0; margin: 0; }

.chapter-list .intro-group,
.chapter-list .chapter-group {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Gruppo introduttivo (manifesto, prefazione…): nessuna numerazione */
.chapter-list .intro-group {
  margin-bottom: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(201, 164, 90, 0.25);
}
.chapter-list .intro-group .intro-item {
  margin-bottom: 0.4rem;
}
.chapter-list .intro-group a {
  display: block;
  padding: 0.6rem 0.4rem;
  color: var(--parchment);
  border: none;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
}
.chapter-list .intro-group a::before {
  content: "❦ ";
  color: var(--gold);
  margin-right: 0.4rem;
}

/* Gruppo capitoli: numeri romani I, II, III… partendo da TEMPO */
.chapter-list .chapter-group {
  counter-reset: chap;
}
.chapter-list .chapter-group li {
  counter-increment: chap;
  margin-bottom: 0.4rem;
}
.chapter-list .chapter-group a {
  display: block;
  padding: 0.6rem 0.4rem;
  color: var(--parchment);
  border: none;
  border-bottom: 1px solid rgba(201, 164, 90, 0.15);
  font-family: var(--serif);
  font-size: 1rem;
}
.chapter-list .chapter-group a::before {
  content: counter(chap, upper-roman) ". ";
  color: var(--gold);
  font-family: var(--display);
  margin-right: 0.4rem;
}

.chapter-list a:hover { color: var(--gold-bright); background: rgba(201, 164, 90, 0.08); }
.menu-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gold-deep);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
}
.menu-footer a { color: var(--parchment-3); border: none; }
.menu-footer a:hover { color: var(--gold-bright); }

/* Dialogo overlay */
.dialogue-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 6, 2, 0.78);
  backdrop-filter: blur(8px);
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.dialogue-overlay[aria-hidden="false"] { display: flex; }
.dialogue-panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  background: linear-gradient(180deg, var(--parchment), var(--parchment-2));
  color: var(--ink);
  border: 1px solid var(--gold-deep);
  box-shadow:
    0 0 0 6px var(--vellum-dark),
    0 0 0 7px rgba(201, 164, 90, 0.4),
    0 30px 60px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.6rem 1.2rem;
}
.dialogue-close {
  position: absolute;
  top: 0.4rem;
  right: 0.8rem;
  font-size: 1.6rem;
  color: var(--ink-soft);
}
.dialogue-close:hover { color: var(--crimson); }
.dialogue-header { margin-bottom: 1rem; border-bottom: 1px solid var(--gold-deep); padding-bottom: 0.6rem; }
.dialogue-tag {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.dialogue-header h3 {
  margin: 0.3rem 0 0;
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ink-deep);
}
.dialogue-stream {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 0.8rem;
  padding-right: 0.4rem;
  min-height: 100px;
  max-height: 40vh;
}
.dialogue-msg {
  margin-bottom: 0.9rem;
  padding: 0.6rem 0.8rem;
  border-radius: 2px;
  font-size: 0.98rem;
  line-height: 1.6;
}
.dialogue-msg.you {
  background: rgba(201, 164, 90, 0.15);
  border-left: 3px solid var(--gold-deep);
}
.dialogue-msg.sirus {
  background: rgba(122, 36, 24, 0.08);
  border-left: 3px solid var(--crimson);
  font-style: italic;
}
.dialogue-msg .who {
  display: block;
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  color: var(--ink-soft);
  font-style: normal;
}
.dialogue-form textarea {
  width: 100%;
  resize: vertical;
  padding: 0.7rem;
  background: rgba(255, 250, 235, 0.7);
  border: 1px solid var(--gold-deep);
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.6;
  border-radius: 2px;
}
.dialogue-form textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 2px rgba(243, 184, 107, 0.3);
}
.dialogue-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.6rem;
}
.words-meter {
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.words-meter.warn { color: var(--crimson); }

/* ── Anti-abusi: modal di blocco permanente ──────────────── */
.abuse-block-modal {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(10, 4, 2, 0.96);
  backdrop-filter: blur(4px);
  z-index: 20;
  border-radius: inherit;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.4s ease;
}
.abuse-block-modal[aria-hidden="false"] { display: flex; }
.abuse-block-inner {
  text-align: center;
  padding: 2rem 1.8rem;
  max-width: 340px;
}
.abuse-block-seal {
  font-size: 2.6rem;
  color: var(--crimson);
  margin-bottom: 1rem;
  line-height: 1;
}
.abuse-block-title {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.abuse-block-body {
  font-family: var(--serif);
  font-size: 0.88rem;
  font-style: italic;
  color: var(--parchment-3);
  line-height: 1.7;
  margin-bottom: 1.6rem;
}
.abuse-block-close {
  padding: 0.5rem 1.4rem;
  border: 1px solid var(--crimson);
  background: transparent;
  color: var(--crimson);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.abuse-block-close:hover { background: var(--crimson); color: var(--parchment); }
.send-btn {
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--crimson);
  background: linear-gradient(180deg, var(--crimson-soft), var(--crimson));
  color: var(--parchment);
  font-family: var(--display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: transform var(--t-fast) var(--ease), background var(--t-med) var(--ease);
}
.send-btn:hover { transform: translateY(-1px); background: linear-gradient(180deg, var(--amber), var(--crimson-soft)); }
.dialogue-disclaimer {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* Mobile */
@media (max-width: 640px) {
  .floating-controls { top: 0.6rem; right: 0.6rem; }
  .ctrl-label { display: none; }
  .ctrl-btn { padding: 0.5rem 0.65rem; }
  .page { padding: 1.6rem 1.1rem; }
}