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

:root{
  --bg:#06050c;
  --panel:rgba(8,7,18,.88);
  --panel-soft:rgba(19,15,37,.76);
  --purple:#a55cff;
  --purple-2:#7b5cff;
  --yellow:#ffd719;
  --text:#fff;
  --muted:rgba(255,255,255,.62);
  --line:rgba(181,108,255,.28);
}

html,body{width:100%;min-height:100%;overflow-x:hidden}

body{
  min-height:100svh;
  color:var(--text);
  background-color:var(--bg);
  background-position:center;
  background-size:cover;
  background-attachment:fixed;
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(circle at 50% 34%,rgba(25,18,54,.16),rgba(4,3,10,.7) 82%),
    rgba(3,2,8,.35);
}

button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit}

/* Navegación superior */
.arcade-nav{
  position:relative;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  padding:14px max(30px,7vw);
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(4,3,11,.38);
  backdrop-filter:blur(8px);
}

.arcade-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
  text-decoration:none;
  font-size:20px;
  font-weight:900;
  letter-spacing:.035em;
  white-space:nowrap;
}

.brand-code{color:var(--purple);font-size:28px;letter-spacing:-.12em}

.arcade-nav-links{
  display:flex;
  align-items:center;
  gap:3px;
  padding:6px;
  border:1px solid rgba(255,255,255,.11);
  border-radius:999px;
  background:rgba(15,12,29,.78);
}

.arcade-nav-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 15px;
  color:rgba(255,255,255,.78);
  border-radius:999px;
  text-decoration:none;
  font-size:12px;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}

.arcade-nav-links a:hover{color:#fff;background:rgba(123,92,255,.18);transform:translateY(-1px)}
.arcade-nav-links svg{width:17px;height:17px;fill:var(--purple);flex:0 0 auto}

/* Página y barra secundaria */
.pacman-page{width:min(1400px,94vw);margin:0 auto;padding:0 0 26px}

.game-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 4px;
}

.toolbar-link{
  color:var(--purple);
  text-decoration:none;
  font-size:13px;
  font-weight:850;
  letter-spacing:.06em;
}

.toolbar-button{border:0;background:none;cursor:pointer}
.toolbar-link:hover{color:#d3a7ff}

/* Carcasa principal */
.arcade-shell{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(330px,.95fr);
  min-height:calc(100svh - 160px);
  overflow:hidden;
  border:1px solid rgba(181,108,255,.48);
  border-radius:28px;
  background:linear-gradient(135deg,rgba(11,8,25,.9),rgba(5,4,14,.88));
  box-shadow:0 35px 100px rgba(0,0,0,.62),inset 0 1px rgba(255,255,255,.04);
  backdrop-filter:blur(9px);
}

.board-column{display:flex;min-width:0;flex-direction:column;padding:18px 26px 22px;border-right:1px solid rgba(255,255,255,.08)}

.pacman-logo{
  margin:0 auto 12px;
  color:var(--yellow);
  font-size:clamp(46px,5vw,78px);
  font-weight:950;
  line-height:.95;
  letter-spacing:.035em;
  text-shadow:0 0 2px #201300,0 4px 0 #4d2300,0 0 24px rgba(165,92,255,.52);
}

.pacman-logo img{
  display:block;
  width:min(360px,100%);
  height:auto;
  max-height:90px;
  margin:0 auto;
  object-fit:contain;
}

.canvas-shell{
  position:relative;
  display:grid;
  place-items:center;
  width:100%;
  min-height:0;
  flex:1;
  overflow:hidden;
  border:2px solid rgba(29,88,255,.88);
  border-radius:16px;
  background:#01030a;
  box-shadow:0 0 28px rgba(32,70,255,.22),inset 0 0 28px rgba(0,0,0,.85);
  touch-action:none;
}

#gameCanvas{display:block;width:100%;height:100%;background:#02040b}

.overlay{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:20px;
  color:#fff;
  border-radius:14px;
  background:rgba(0,0,0,.35);
  text-align:center;
  pointer-events:none;
  backdrop-filter:blur(2px);
}

.overlay-start{font-size:clamp(20px,2.2vw,34px);font-weight:900;text-shadow:0 8px 24px #000}
.overlay-gameover{display:none;background:rgba(1,2,8,.72)}
.go-title{margin-bottom:8px;color:#ff4c64;font-size:clamp(28px,4vw,48px);font-weight:950}
.go-sub{font-size:16px;color:rgba(255,255,255,.86)}

/* Panel derecho */
.control-column{display:flex;min-width:0;flex-direction:column;padding:24px 28px 22px}

.desktop-stats,.mobile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mobile-stats{display:none}

.stat-card{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-width:0;
  padding:12px 9px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  background:rgba(255,255,255,.035);
  box-shadow:inset 0 1px rgba(255,255,255,.04);
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
}

.stat-card span:last-child{display:flex;min-width:0;flex-direction:column;gap:2px}
.stat-card b{color:var(--yellow);font-size:19px;line-height:1}
.stat-icon{color:var(--yellow);font-size:22px;line-height:1}
.stat-icon.purple{color:var(--purple)}
.stat-icon.red{color:#ff5264}

.controls-block{display:grid;grid-template-columns:1fr 190px;align-items:center;gap:18px;margin:26px 0 20px}
.keyboard-help h2,.score-preview h2{margin-bottom:17px;color:var(--purple);font-size:15px;font-weight:900;letter-spacing:.045em}
.keyboard-help p{margin:12px 0;color:rgba(255,255,255,.78);font-size:13px}
.keyboard-help strong{color:var(--yellow)}

.dpad{position:relative;width:190px;aspect-ratio:1;user-select:none;touch-action:none}
.dpad-btn,.dpad-center{
  position:absolute;
  width:32%;
  height:32%;
  cursor:pointer;
  border:1px solid rgba(181,108,255,.42);
  border-radius:15px;
  color:var(--purple);
  background:linear-gradient(145deg,rgba(42,33,70,.96),rgba(13,10,25,.98));
  box-shadow:0 10px 24px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.08);
  font-size:20px;
  font-weight:900;
  transition:transform .1s ease,filter .15s ease;
  touch-action:none;
}

.dpad-btn:active,.dpad-center:active{transform:scale(.94);filter:brightness(1.2)}
.dpad-btn.up{top:0;left:34%}.dpad-btn.down{bottom:0;left:34%}.dpad-btn.left{top:34%;left:0}.dpad-btn.right{top:34%;right:0}
.dpad-center{top:34%;left:34%;color:#17100b;border-color:#ffe158;border-radius:50%;background:linear-gradient(145deg,#ffe45b,#ffc400);font-size:25px}

.action-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.arcade-action,.mobile-pause-label,.btn-start{
  min-height:48px;
  cursor:pointer;
  border:1px solid rgba(181,108,255,.45);
  border-radius:13px;
  color:var(--purple);
  background:rgba(123,92,255,.08);
  font-size:12px;
  font-weight:900;
  letter-spacing:.035em;
  transition:background .2s ease,color .2s ease,transform .1s ease;
}

.arcade-action:hover,.mobile-pause-label:hover{color:#fff;background:rgba(123,92,255,.19)}
.arcade-action:active,.mobile-pause-label:active,.btn-start:active{transform:scale(.98)}
.mobile-pause-label{display:none}
.btn-start{display:none;color:#17100b;border-color:var(--yellow);background:var(--yellow)}

.score-preview{margin-top:25px}
.ranking-preview{overflow:hidden;list-style:none;border:1px solid rgba(255,255,255,.13);border-radius:13px;background:rgba(255,255,255,.025)}
.ranking-preview li{display:grid;grid-template-columns:30px 1fr auto;gap:8px;padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px}
.ranking-preview li:last-child{border-bottom:0}
.rank-position{color:var(--purple);font-weight:900}.ranking-preview li:first-child .rank-position{color:var(--yellow)}
.rank-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-score{color:var(--yellow);font-weight:900}
.ranking-loading,.ranking-empty{display:block!important;color:var(--muted);text-align:center}

/* Tablet */
@media(max-width:1050px){
  .pacman-page{width:min(96vw,850px)}
  .arcade-shell{grid-template-columns:1fr;overflow:visible}
  .board-column{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .canvas-shell{height:min(72vw,650px);flex:none}
  .control-column{padding:22px 30px 28px}
  .controls-block{grid-template-columns:1fr 190px;max-width:560px;width:100%;margin:24px auto 20px}
}

/* Móvil */
@media(max-width:700px){
  body{background-attachment:scroll}
  .arcade-nav{min-height:76px;padding:12px 16px}
  .arcade-brand{gap:8px;font-size:15px}.brand-code{font-size:22px}
  .arcade-nav-links{gap:0;padding:5px}.arcade-nav-links a{padding:9px 10px}.arcade-nav-links a span{display:none}.arcade-nav-links svg{width:16px;height:16px}
  .pacman-page{width:100%;padding-bottom:0}
  .game-toolbar{min-height:58px;padding:0 20px}
  .arcade-shell{min-height:0;border-right:0;border-left:0;border-radius:0;background:rgba(7,5,17,.83)}
  .board-column{padding:20px 14px 16px}
  .pacman-logo{margin-bottom:20px;font-size:clamp(44px,16vw,64px)}
  .desktop-stats{display:none}.mobile-stats{display:grid;gap:7px;margin-bottom:18px}
  .stat-card{gap:5px;padding:10px 5px;border-radius:13px;font-size:9px}.stat-card b{font-size:15px}.stat-icon{font-size:17px}
  .canvas-shell{height:auto;aspect-ratio:28/27;border-radius:13px}
  .overlay-start{font-size:21px}
  .control-column{align-items:center;padding:20px 16px 34px}
  .controls-block{display:block;width:auto;margin:0}.keyboard-help{display:none}
  .dpad{width:min(210px,56vw)}
  .mobile-pause-label{display:block;min-height:42px;margin-top:16px;padding:0 28px;color:var(--yellow)}
  .action-row,.score-preview{display:none}
  .btn-start{display:block;width:min(310px,100%);margin-top:17px}
}

@media(max-width:390px){
  .arcade-nav{padding-inline:11px}.arcade-brand{font-size:14px}.arcade-nav-links a{padding:8px}
  .game-toolbar{padding-inline:15px}.board-column{padding-inline:10px}
  .mobile-stats{gap:5px}.stat-card{font-size:8px}.stat-card b{font-size:14px}.stat-icon{display:none}
}

@media(max-height:800px) and (min-width:1051px){
  .arcade-nav{min-height:68px;padding-block:9px}.game-toolbar{min-height:46px}
  .pacman-page{width:min(1280px,93vw)}.arcade-shell{min-height:calc(100svh - 128px)}
  .board-column{padding-top:12px}.pacman-logo{font-size:52px;margin-bottom:8px}
  .control-column{padding-block:18px}.controls-block{margin:18px 0 14px}.score-preview{margin-top:17px}
}