/* Mappa 3D — token Calicchia Design (tokens.css). Il tema scuro è una traduzione dichiarata. */
:root {
  --bg: #FAFAF7;
  --bg-elev: #FFFFFF;
  --line: #E6E4DC;
  --line-strong: #C9C5B7;
  --ink: #111111;
  --ink-muted: #5C5C58;
  --ink-subtle: #8C8C86;
  --accent: #F57F44;
  --font-display: 'Funnel Display', ui-sans-serif, system-ui, sans-serif;
  --font-sans: 'Funnel Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
:root[data-tema="scuro"] {
  --bg: #111111;
  --bg-elev: #1F1F1F;
  --line: #2D2D2C;
  --line-strong: #4A4A48;
  --ink: #FAFAF7;
  --ink-muted: #A8A8A6;
  --ink-subtle: #7A7A78;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
}
#scena { position: fixed; inset: 0; }
#scena canvas { display: block; }

.etichetta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 10px;
}

/* Pannello dei flussi */
#pannello {
  position: fixed;
  top: 16px;
  left: 16px;
  width: min(320px, calc(100vw - 32px));
  max-height: calc(100vh - 96px);
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 16px;
}
#flussi { display: flex; flex-direction: column; }
#flussi button {
  all: unset;
  box-sizing: border-box;
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  min-height: 36px;
  padding: 7px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
  color: var(--ink-muted);
  transition: color 180ms var(--ease);
}
#flussi button::before {
  content: attr(data-n);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-subtle);
  min-width: 1.6em;
}
#flussi button:hover,
#flussi button:focus-visible { color: var(--ink); }
#flussi button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
#flussi button[aria-selected="true"] { color: var(--ink); font-weight: 600; }
#flussi button[aria-selected="true"]::after {
  content: '';
  width: 7px;
  height: 7px;
  margin-left: auto;
  align-self: center;
  background: var(--accent);
}
#racconto { border-top: 1px solid var(--ink); margin-top: 4px; padding-top: 12px; }
#intro { margin: 0 0 10px; font-family: var(--font-display); font-size: 17px; line-height: 1.25; font-weight: 600; }
#passi { margin: 0; padding: 0; list-style: none; counter-reset: p; }
#passi li {
  counter-increment: p;
  display: grid;
  grid-template-columns: 1.8em 1fr;
  padding: 7px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-subtle);
  font-size: 14px;
  transition: color 320ms var(--ease);
}
#passi li::before { content: counter(p, decimal-leading-zero); font-family: var(--font-mono); font-size: 11px; padding-top: 3px; }
#passi li.fatto { color: var(--ink-muted); }
#passi li.attivo { color: var(--ink); }

/* Scheda del nodo */
#scheda {
  position: fixed;
  top: 16px;
  right: 16px;
  width: min(300px, calc(100vw - 32px));
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 16px;
}
#scheda h2 { font-family: var(--font-display); font-size: 22px; line-height: 1.1; margin: 0 0 10px; font-weight: 600; }
#scheda p { margin: 0 0 10px; }
#scheda { max-height: calc(100vh - 32px); overflow: auto; width: min(360px, calc(100vw - 32px)); }
#scheda-ruolo { font-family: var(--font-display); font-weight: 600; font-size: 16px; line-height: 1.25; }
#scheda-ruolo:empty { display: none; }
#scheda h3 { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-muted); margin: 18px 0 0; padding-top: 10px; border-top: 1px solid var(--ink); }
#scheda dl { margin: 6px 0 0; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); column-gap: 12px; }
#scheda dt, #scheda dd { margin: 0; padding: 6px 0; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.35; }
#scheda dt { font-weight: 600; }
#scheda dd { color: var(--ink-muted); }
#scheda dt.scelto, #scheda dd.scelto { border-top-color: var(--ink); color: var(--ink); }
#scheda dt.scelto::before { content: ''; display: inline-block; width: 7px; height: 7px; margin-right: 7px; background: var(--accent); }
#chiudi {
  all: unset;
  position: absolute;
  top: 6px;
  right: 8px;
  width: 32px;
  height: 32px;
  text-align: center;
  font-size: 22px;
  line-height: 32px;
  cursor: pointer;
  color: var(--ink-muted);
}
#chiudi:hover, #chiudi:focus-visible { color: var(--ink); }
#chiudi:focus-visible { outline: 2px solid var(--ink); }

/* Comandi */
#comandi {
  position: fixed;
  left: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  max-width: calc(100vw - 32px);
}
#comandi button {
  all: unset;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink-muted);
  padding: 8px 2px;
}
#comandi button:hover, #comandi button:focus-visible, #comandi button[aria-pressed="true"] { color: var(--ink); }
#comandi button[aria-pressed="true"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
#comandi button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.legenda { font-size: 12px; color: var(--ink-muted); display: inline-flex; align-items: center; gap: 6px; }
.legenda i { display: inline-block; width: 22px; height: 0; border-top: 2px solid var(--ink); margin-left: 8px; }
.legenda i.l-controllo { border-top-style: dashed; border-top-color: var(--ink-subtle); }
.legenda i.l-vpn { border-top-width: 5px; }

#aiuto {
  position: fixed;
  right: 16px;
  bottom: 16px;
  margin: 0;
  font-size: 12px;
  color: var(--ink-subtle);
  max-width: 40vw;
  text-align: right;
}

/* Etichette nella scena */
.nome {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  background: var(--bg);
  padding: 1px 5px;
  border: 1px solid var(--line);
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 320ms var(--ease);
}
.nome.spento { opacity: 0.35; }
.nome.acceso { border-color: var(--ink); }
.luogo {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  pointer-events: none;
}

#suggerimento {
  position: fixed;
  z-index: 5;
  max-width: 280px;
  background: var(--bg);
  border: 1px solid var(--ink);
  padding: 6px 10px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--ink-muted);
  pointer-events: none;
}
#suggerimento strong { color: var(--ink); font-weight: 600; }
.luogo.fascia, .luogo.distanza { color: var(--ink-subtle); }
.luogo.distanza { background: var(--bg); padding: 0 6px; }
/* nell'elenco dei flussi il quadratino ha il colore della linea nella scena */
#flussi button[data-id]:not([data-id="tutti"])::before { content: ''; min-width: 10px; width: 10px; height: 10px; background: var(--colore); align-self: center; }
#flussi button[aria-selected="true"]::after { display: none; }
#flussi button[aria-selected="true"] { text-decoration: underline; text-decoration-color: var(--colore, var(--accent)); text-decoration-thickness: 2px; text-underline-offset: 5px; }

@media (max-width: 760px) {
  body { font-size: 14px; }
  /* in alto i comandi, in una riga che scorre */
  #comandi { top: 8px; bottom: auto; left: 8px; right: 8px; flex-wrap: nowrap; overflow-x: auto; gap: 16px; padding: 2px 12px; scrollbar-width: none; }
  #comandi::-webkit-scrollbar { display: none; }
  #comandi button { white-space: nowrap; padding: 12px 2px; }
  /* in basso i flussi: una riga di nomi e solo il passo in corso */
  #pannello { top: auto; bottom: 8px; left: 8px; right: 8px; width: auto; max-height: 34vh; padding: 10px 12px 12px; }
  #pannello > .etichetta { display: none; }
  #flussi { flex-direction: row; overflow-x: auto; gap: 18px; padding-bottom: 4px; scrollbar-width: none; }
  #flussi::-webkit-scrollbar { display: none; }
  #flussi button { width: auto; white-space: nowrap; border-top: 0; min-height: 44px; gap: 7px; }
  #racconto { margin-top: 0; padding-top: 10px; }
  #intro { font-size: 15px; margin-bottom: 6px; }
  #passi li { display: none; border-top: 0; padding: 0; font-size: 13.5px; }
  #passi li.attivo { display: grid; }
  /* la scheda dell'apparecchio prende il posto dei flussi */
  #scheda { top: auto; bottom: 8px; left: 8px; right: 8px; width: auto; max-height: 52vh; padding: 14px; }
  body.scheda-aperta #pannello { display: none; }
  #scheda h2 { font-size: 19px; }
  #chiudi { width: 44px; height: 44px; line-height: 44px; top: 0; right: 0; }
  #aiuto, .legenda, .luogo.distanza, .luogo.fascia { display: none; }
  .nome { font-size: 10px; padding: 0 3px; }
  /* su telefono solo i nomi che servono: macchine principali, flusso scelto, apparecchio aperto */
  .nome:not(.principale):not(.acceso) { display: none; }
  .nome.spento { display: none; }
  .luogo { font-size: 9px; letter-spacing: 0.1em; }
}

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