:root {
  --bg: #100c09;
  --bg2: #1b140e;
  --panel: #241a12;
  --line: #3b2c1d;
  --gold: #ffd45e;
  --gold-dim: #c99a23;
  --sand: #d3a24d;
  --text: #f0e3cd;
  --muted: #b09a78;
  --accent: #b07cff;
  --danger: #e8553f;
  --ok: #8bd47c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(120% 90% at 50% -10%, #2d2013 0%, var(--bg) 65%),
    var(--bg);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  min-height: 100%;
  -webkit-tap-highlight-color: transparent;
}

.screen { display: none; min-height: 100vh; padding-bottom: env(safe-area-inset-bottom); }
.screen.active { display: block; }
.hidden { display: none !important; }

/* ------------------------------------------------------------ bottoni */
button {
  font: inherit;
  color: var(--text);
  background: linear-gradient(#3a2a1b, #241a12);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: transform .06s ease, border-color .15s, background .15s, opacity .15s;
}
button:hover:not(:disabled) { border-color: var(--gold-dim); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: .38; cursor: default; }
button.big { padding: 14px 22px; font-size: 1.1rem; }
button.ghost { background: transparent; color: var(--muted); }
button.accent {
  background: linear-gradient(#7a4fd0, #4d2f8f);
  border-color: #8f6adf;
  color: #fff;
}
button.selected { outline: 2px solid var(--gold); outline-offset: 1px; }

/* ------------------------------------------------------------- titolo */
.titlebox { max-width: 640px; margin: 0 auto; padding: 6vh 20px 40px; text-align: center; }
.crest { display: flex; justify-content: center; margin-bottom: 6px; }
.crest canvas { filter: drop-shadow(0 0 14px rgba(180, 120, 255, .5)); }
h1 {
  margin: 0;
  font-size: clamp(2.3rem, 8.5vw, 4rem);
  letter-spacing: .12em;
  background: linear-gradient(#ffe9a8, var(--gold) 45%, #a76b16);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 6px 26px rgba(255, 180, 60, .16);
}
.tagline { color: var(--muted); margin: 6px 0 26px; }
.menu { display: grid; gap: 12px; }
.menu .row { display: flex; gap: 10px; justify-content: center; }
.foot { color: var(--muted); margin-top: 26px; font-size: .88rem; }
.foot b { color: var(--gold); }

/* ---------------------------------------------------------------- bar */
.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(#241a12, #1a130d);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
}
.bar h2 { font-size: 1.05rem; margin: 0; flex: 1; letter-spacing: .04em; }
.hud .hud-item { font-size: .88rem; color: var(--muted); white-space: nowrap; }
.hud .hud-item b { color: var(--text); }
.hud .keys i { font-style: normal; margin-left: 2px; }
#hud-name { flex: 1; color: var(--gold); font-weight: bold; min-width: 8ch; }
#btn-restart { color: var(--danger); }
#btn-undo, #btn-pause { color: var(--muted); }

/* -------------------------------------------------------- lista livelli */
.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 12px;
  padding: 16px;
  max-width: 1000px;
  margin: 0 auto;
}
.level-card {
  display: grid;
  gap: 6px;
  padding: 10px;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: linear-gradient(#33261a, #221910);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.level-card:hover { border-color: var(--gold-dim); transform: translateY(-1px); }
.level-card:focus-visible { outline: 2px solid var(--gold); }
.level-card .thumb {
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  border-radius: 6px;
  border: 1px solid #17110b;
  display: block;
}
.level-card .n { color: var(--gold); font-weight: bold; font-size: .95rem; }
.level-card .meta { color: var(--muted); font-size: .78rem; display: block; }
.level-card.locked { opacity: .5; cursor: not-allowed; }
.mini-stars { display: block; letter-spacing: 2px; font-size: .9rem; }
.mini-stars i { font-style: normal; color: #4b3a26; }
.mini-stars i.on { color: var(--gold); }
.card-tools { display: flex; gap: 6px; }
.card-tools button { font-size: .76rem; padding: 4px 8px; }
.card-tools .del { color: var(--danger); }
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }

/* --------------------------------------------------------------- stage */
.stage { position: relative; display: grid; place-items: center; padding: 14px; }
canvas {
  background: #0d0a07;
  border: 2px solid var(--line);
  /* La misura impostata da JS è quella del disegno: il bordo sta fuori,
     altrimenti rosicchierebbe 4px e le proporzioni si falserebbero. */
  box-sizing: content-box;
  border-radius: 6px;
  max-width: 100%;
  box-shadow: 0 14px 46px rgba(0, 0, 0, .6), inset 0 0 60px rgba(0, 0, 0, .5);
  touch-action: none;
}
/* La misura a schermo è calcolata in JS (fitCanvas): il canvas riempie lo
   spazio disponibile mantenendo le proporzioni, e viene ridisegnato alla
   risoluzione reale invece di essere stirato. */
.stage { width: 100%; }
.hint { text-align: center; color: var(--muted); margin: 0 20px 14px; font-size: .9rem; }

/* cartello di apertura livello */
.level-card-intro {
  position: absolute;
  inset: auto;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 18px 34px;
  background: rgba(20, 14, 9, .86);
  border: 1px solid var(--gold-dim);
  border-radius: 12px;
  animation: cardIn .35s ease-out;
  pointer-events: none;
}
.level-card-intro .num { color: var(--muted); font-size: .85rem; letter-spacing: .18em; }
.level-card-intro .ttl { color: var(--gold); font-size: 1.5rem; font-weight: bold; }
.level-card-intro .cod { color: var(--muted); font-size: .78rem; letter-spacing: .1em; }
@keyframes cardIn {
  from { opacity: 0; transform: translate(-50%, -58%) scale(.94); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.solving-badge {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: rgba(20, 14, 9, .9);
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: .82rem;
  color: #e6d6ff;
  z-index: 3;
}
.solving-badge button { padding: 3px 10px; font-size: .76rem; }

.overlay {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  background: rgba(10, 7, 5, .8);
  border-radius: 8px;
  backdrop-filter: blur(2px);
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 30px;
  text-align: center;
  max-width: 92%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
}
.panel h3 { margin: 0 0 8px; color: var(--gold); font-size: 1.45rem; }
.panel p { margin: 0 0 16px; color: var(--muted); }
.row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.stars { font-size: 2rem; letter-spacing: 6px; margin-bottom: 10px; }
.stars span { color: #4b3a26; }
.stars span.on { color: var(--gold); text-shadow: 0 0 14px rgba(255, 212, 94, .55); }
.ov-code { font-size: .82rem; color: var(--gold-dim) !important; letter-spacing: .08em; }

/* --------------------------------------------------------- touch pad */
.touch {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 6px 22px 22px;
}
.dpad { display: grid; justify-items: center; gap: 6px; }
.dpad > div { display: flex; gap: 6px; }
.dpad button { width: 62px; height: 50px; font-size: 1.05rem; }
.touch-right { display: grid; gap: 8px; justify-items: center; }
.dig { width: 104px; height: 104px; border-radius: 50%; font-weight: bold; letter-spacing: .08em; }
.undo-touch { font-size: .8rem; }
/* I comandi a sfioramento compaiono sui dispositivi senza mouse e comunque su
 * schermi stretti, dove la tastiera spesso non c'è. */
@media (hover: none) and (pointer: coarse), (max-width: 820px) {
  .touch { display: flex; }
  .hint { font-size: .82rem; }
}
@media (max-width: 560px) {
  .bar { gap: 6px; padding: 8px 10px; }
  .hud .hud-item { font-size: .78rem; }
  #hud-name { font-size: .9rem; width: 100%; }
  .stage { padding: 8px; }
  .touch { padding: 4px 12px 16px; gap: 10px; }
  .dpad button { width: 54px; height: 46px; }
  .dig { width: 88px; height: 88px; }
  .level-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; padding: 10px; }
  .panel { padding: 18px 20px; }
  .titlebox { padding: 4vh 16px 30px; }
}

/* -------------------------------------------------------------- editor */
.editor-wrap {
  display: grid;
  grid-template-columns: 152px 1fr;
  gap: 14px;
  padding: 14px;
  align-items: start;
}
.palette {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  position: sticky;
  top: 62px;
}
.palette button {
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 6px 2px;
  font-size: .68rem;
  line-height: 1.1;
  color: var(--muted);
}
.palette canvas { border: none; box-shadow: none; background: none; border-radius: 3px; }
.editor-main { min-width: 0; }
.ed-tools {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px 10px;
  color: var(--muted);
  font-size: .85rem;
}
.ed-tools .lbl { margin-right: 4px; }
.ed-tools .tool { width: 40px; }
.ed-tools .sep { flex: 1; }
.ed-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 0 14px 12px;
  color: var(--muted);
  font-size: .85rem;
}
.ed-fields label { display: flex; align-items: center; gap: 6px; }
.ed-fields input[type="text"], .ed-fields input[type="number"] {
  font: inherit;
  color: var(--text);
  background: #17110c;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 8px;
  width: 78px;
}
.ed-fields input[type="text"] { width: 150px; }
.ed-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 14px; }
.ed-status { padding: 12px 14px; color: var(--muted); font-size: .85rem; min-height: 1.4em; }
.ed-status.err { color: var(--danger); }
.ed-status.ok { color: var(--ok); }

@media (max-width: 760px) {
  .editor-wrap { grid-template-columns: 1fr; }
  .palette { position: static; grid-template-columns: repeat(auto-fill, minmax(66px, 1fr)); }
}

/* --------------------------------------------------------------- aiuto */
.help { max-width: 720px; margin: 0 auto; padding: 20px; line-height: 1.55; }
.help h3 { color: var(--gold); margin: 22px 0 6px; }
.help ul { padding-left: 22px; }
.help li { margin: 4px 0; }
.help .note { color: var(--muted); font-size: .85rem; margin-top: 30px; }
.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.switch input { width: 18px; height: 18px; accent-color: var(--accent); }

/* ------------------------------------------------- scelta della versione */
.modebox { max-width: 900px; margin: 0 auto; padding: 6vh 20px 40px; text-align: center; }
.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.mode-card {
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 16px;
  text-align: center;
  border-radius: 14px;
}
.mode-card .mc-badge { font-size: 1.15rem; font-weight: bold; letter-spacing: .06em; }
.mode-card .mc-badge i { font-style: normal; color: var(--gold); }
.mode-card .mc-shot {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #17110b;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .5);
}
.mode-card .mc-desc { font-size: .86rem; color: var(--muted); line-height: 1.45; }
.mode-card.accent .mc-desc { color: #e6d6ff; }

/* i due canvas di gioco si sovrappongono: se ne mostra uno alla volta */
#cv-gl { display: block; }
#cv-gl.hidden, #cv.hidden { display: none !important; }

.switch select {
  font: inherit;
  color: var(--text);
  background: #17110c;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 8px;
}

/* ------------------------------------------------------------- verticale
   In verticale il campo è limitato dalla larghezza, quindi lo spazio in
   altezza avanza: lo si usa per comandi più grandi e comodi da colpire. */
@media (orientation: portrait) and (pointer: coarse) {
  .touch { flex-direction: row; justify-content: space-around; padding: 12px 12px 24px; }
  .dpad button { width: 72px; height: 60px; font-size: 1.2rem; }
  .dig { width: 118px; height: 118px; }
  .hint { margin-bottom: 8px; }
  .bar.hud { padding: 6px 10px; }
}