/* ===== Nuts — styles ===== */
:root{
  --green-1:#0b1a08;
  --green-2:#123a10;
  --lime:#9ede2c;
  --lime-dark:#5c8f13;
  --shadow:0 10px 30px rgba(0,0,0,.55);
}

*{box-sizing:border-box;margin:0;padding:0}

html,body{
  height:100%;
  width:100%;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 15%, #1d5417 0%, var(--green-1) 60%),
    var(--green-1);
  color:#eafbe0;
  font-family:"Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  -webkit-tap-highlight-color:transparent;
  -webkit-user-select:none;
  user-select:none;
  touch-action:manipulation;
}

/* subtle animated vignette */
body::after{
  content:"";
  position:fixed; inset:0; pointer-events:none;
  background:radial-gradient(circle at center, transparent 55%, rgba(0,0,0,.55) 100%);
}

.screen{
  position:fixed; inset:0;
  display:none;
  align-items:center; justify-content:center;
  padding:16px;
  z-index:20;
  overflow:auto;
}
.screen.active{display:flex}
.screen.overlay{background:rgba(4,14,3,.82);backdrop-filter:blur(3px);z-index:40}

.hidden{display:none !important}

/* ===== Menu box ===== */
.menu-box{
  position:relative;
  z-index:1;
  width:min(560px, 94vw);
  padding:26px 24px 30px;
  text-align:center;
  background:linear-gradient(180deg, rgba(28,74,20,.92), rgba(9,28,7,.95));
  border:2px solid rgba(158,222,44,.35);
  border-radius:22px;
  box-shadow:var(--shadow);
  animation:pop .28s ease-out;
}
.menu-box.small{width:min(400px,92vw); padding:22px}

@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}

.logo{
  width:min(78%, 380px);
  height:auto;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.6));
  animation:bob 3.2s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-8px) rotate(1deg)}}

.tagline{
  margin:10px 0 22px;
  font-size:clamp(12px,3.4vw,16px);
  letter-spacing:.5px;
  color:#cbe9a4;
  opacity:.9;
}

.menu-nav{display:flex;flex-direction:column;align-items:center;gap:14px}

.menu-btn{
  display:block;
  border:0; padding:0; margin:0;
  background:transparent;
  cursor:pointer;
  line-height:0;
  border-radius:12px;
  transition:transform .12s ease, filter .12s ease;
  filter:drop-shadow(0 5px 8px rgba(0,0,0,.5));
}
.menu-btn img{
  height:clamp(30px,7.5vw,46px);
  width:auto;
  max-width:min(74vw, 300px);
  object-fit:contain;
  display:block;
}
.menu-btn:hover{transform:scale(1.06) translateY(-2px);filter:drop-shadow(0 8px 14px rgba(158,222,44,.35)) brightness(1.08)}
.menu-btn:active{transform:scale(.95)}
.menu-btn:focus-visible{outline:3px solid var(--lime);outline-offset:6px}

.txt-btn{
  display:flex; align-items:center; justify-content:center;
  width:52px;height:52px;
  border-radius:50%;
  background:linear-gradient(180deg,var(--lime),var(--lime-dark));
  color:#123a10;
  font:bold 30px/1 "Trebuchet MS",sans-serif;
  box-shadow:0 5px 0 #3c5f0c, 0 8px 14px rgba(0,0,0,.45);
}

/* ===== Text panels ===== */
.panel-title{
  font-size:clamp(22px,6vw,34px);
  color:var(--lime);
  text-shadow:0 3px 0 #2d4f08, 0 6px 14px rgba(0,0,0,.6);
  margin-bottom:18px;
  letter-spacing:1px;
}

.help-list{
  list-style:none;
  text-align:left;
  font-size:clamp(12px,3.2vw,15px);
  line-height:1.5;
  margin-bottom:20px;
  max-height:52vh;
  overflow:auto;
  padding-right:4px;
}
.help-list li{padding:7px 0;border-bottom:1px dashed rgba(158,222,44,.2)}
.help-list li:last-child{border-bottom:0}
.help-list b{color:var(--lime)}

.score-list{
  list-style:none;
  counter-reset:rank;
  max-height:52vh; overflow:auto;
  margin-bottom:20px;
}
.score-list li{
  counter-increment:rank;
  display:flex; align-items:center; gap:10px;
  padding:9px 12px;
  margin-bottom:6px;
  border-radius:10px;
  background:rgba(0,0,0,.28);
  font-size:clamp(13px,3.2vw,16px);
}
.score-list li::before{
  content:counter(rank);
  flex:0 0 28px;
  text-align:center;
  font-weight:bold;
  color:#123a10;
  background:var(--lime);
  border-radius:6px;
  padding:2px 0;
}
.score-list li:nth-child(1)::before{background:#ffd83d}
.score-list li:nth-child(2)::before{background:#d8d8d8}
.score-list li:nth-child(3)::before{background:#e0a06a}
.score-list .rank-name{font-weight:bold;color:var(--lime);letter-spacing:2px}
.score-list .rank-meta{margin-left:auto;opacity:.75;font-size:.85em}
.score-list .empty{justify-content:center;background:none;opacity:.7}
.score-list .empty::before{display:none}

.btn-plain{
  display:block;
  width:100%;
  margin-top:10px;
  padding:12px 18px;
  font:bold clamp(14px,3.6vw,18px)/1 inherit;
  color:#123a10;
  background:linear-gradient(180deg,var(--lime),var(--lime-dark));
  border:0; border-radius:12px;
  cursor:pointer;
  box-shadow:0 5px 0 #33550a, 0 8px 16px rgba(0,0,0,.4);
  transition:transform .1s ease, box-shadow .1s ease;
}
.btn-plain:hover{filter:brightness(1.08)}
.btn-plain:active{transform:translateY(4px);box-shadow:0 1px 0 #33550a}

.final-score{
  margin:6px 0 10px;
  display:flex;flex-direction:column;gap:4px;align-items:center;
}
.final-score #final-score{
  font-size:clamp(38px,12vw,62px);
  font-weight:bold;
  color:var(--lime);
  text-shadow:0 4px 0 #2d4f08;
}
.hud-label{font-size:12px;letter-spacing:2px;text-transform:uppercase;opacity:.7}

.best-note{
  margin-bottom:12px;
  color:#ffd83d;
  font-weight:bold;
  animation:blink 1s steps(2) infinite;
}
@keyframes blink{50%{opacity:.35}}

.initials-row{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin:6px 0 18px;
}
.initials-row label{font-size:14px;opacity:.85}
#initials{
  width:96px; padding:9px;
  text-align:center;
  font:bold 22px/1 inherit;
  letter-spacing:6px;
  text-transform:uppercase;
  color:var(--lime);
  background:rgba(0,0,0,.4);
  border:2px solid rgba(158,222,44,.4);
  border-radius:10px;
}
#initials:focus{outline:none;border-color:var(--lime)}

/* ===== Canvas ===== */
.canvas{
  position:fixed; inset:0;
  width:100%;height:100%;
  z-index:10;
  display:block;
  touch-action:none;
  cursor:none;
}

/* ===== HUD ===== */
.hud{
  position:fixed;
  top:0;left:0;right:0;
  z-index:30;
  padding:8px 8px 10px;
  padding-top:max(8px, env(safe-area-inset-top));
  background:linear-gradient(180deg, rgba(3,12,2,.85), rgba(3,12,2,0));
  pointer-events:none;
}
.hud-row{display:flex;align-items:center;gap:6px}
.hud-box{
  flex:1 1 0;
  min-width:0;
  overflow:hidden;
  display:flex;flex-direction:column;align-items:center;
  padding:5px 2px;
  background:rgba(0,0,0,.3);
  border-radius:9px;
  border:1px solid rgba(158,222,44,.2);
}
.hud-label{font-size:clamp(8px,2.4vw,11px);letter-spacing:.8px;opacity:.65;white-space:nowrap}
.hud-value{
  font-size:clamp(13px,3.6vw,20px);
  font-weight:bold;
  color:var(--lime);
  text-shadow:0 2px 4px rgba(0,0,0,.7);
  line-height:1.15;
}
#hud-combo.hot{color:#ffd83d;animation:blink .5s steps(2) infinite}

.hud-btn{
  pointer-events:auto;
  flex:0 0 auto;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(158,222,44,.3);
  border-radius:9px;
  background:rgba(0,0,0,.35);
  color:var(--lime);
  cursor:pointer;
  padding:0;
}
.hud-btn:active{background:rgba(158,222,44,.25)}
.hud-btn.off{color:#ff8b6b;opacity:.75}
.hud-btn svg{display:block}
#btn-sound .snd-off{display:none}
#btn-sound.off .snd-on{display:none}
#btn-sound.off .snd-off{display:block}

.time-bar{
  margin-top:7px;
  height:7px;
  border-radius:6px;
  background:rgba(0,0,0,.45);
  overflow:hidden;
  border:1px solid rgba(0,0,0,.4);
}
.time-fill{
  height:100%; width:100%;
  border-radius:6px;
  background:linear-gradient(90deg,#7fd11c,#c3f04a);
  transition:width .25s linear, background .4s ease;
}
.time-fill.warn{background:linear-gradient(90deg,#e2862b,#ffcf5c)}
.time-fill.crit{background:linear-gradient(90deg,#d13b28,#ff7a5c);animation:blink .45s steps(2) infinite}

/* ===== Center popup (vague) ===== */
.center-pop{
  position:fixed;
  top:38%; left:50%;
  transform:translate(-50%,-50%);
  z-index:35;
  pointer-events:none;
  text-align:center;
  font-size:clamp(30px,10vw,72px);
  font-weight:bold;
  color:var(--lime);
  text-shadow:0 5px 0 #2d4f08, 0 10px 24px rgba(0,0,0,.7);
  letter-spacing:2px;
}
.center-pop small{
  display:block;
  margin-top:6px;
  font-size:.36em;
  letter-spacing:3px;
  opacity:.85;
  text-transform:uppercase;
}
.center-pop.anim{animation:popUp 1.4s ease-out forwards}
@keyframes popUp{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}
  18%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}
  30%{transform:translate(-50%,-50%) scale(1)}
  80%{opacity:1}
  100%{opacity:0;transform:translate(-50%,-90%) scale(1)}
}

@media (max-height:430px){
  .menu-box{padding:16px}
  .tagline{margin:6px 0 14px}
  .menu-nav{gap:9px}
  .help-list{max-height:38vh}
}

/* ===== Message "tourne ton appareil" (portrait sur mobile) ===== */
#rotate-hint{
  display:none;
  position:fixed; inset:0;
  z-index:99;
  background:
    radial-gradient(circle at 50% 15%, #1d5417 0%, var(--green-1) 60%),
    var(--green-1);
  color:#c3f04a;
  flex-direction:column;
  align-items:center; justify-content:center;
  gap:18px;
  text-align:center;
  font-size:20px;
  padding:24px;
}
#rotate-hint .rotate-phone{ font-size:60px; animation:rotateHint 1.6s ease-in-out infinite; }
@keyframes rotateHint{
  0%,20%{transform:rotate(0)}
  50%,70%{transform:rotate(90deg)}
  100%{transform:rotate(0)}
}
@media (orientation: portrait) and (pointer: coarse){
  #rotate-hint{display:flex}
}