/* ======= VAPORWAVE / CYBERPUNK 199X ======= */
/* Dica: troque a paleta aqui em :root */
:root{
  --bg:#0a0014;
  --neon1:#ff77ff;    /* magenta neon */
  --neon2:#00f7ff;    /* ciano neon  */
  --neon3:#ffd166;    /* dourado vapor */
  --grid:#4b2a87;
  --text:#f2eaff;
  --accent:#bafff1;
  --shadow: 0 0 0.5rem var(--neon1), 0 0 1.2rem var(--neon1);
  --shadow2:0 0 0.5rem var(--neon2), 0 0 1.2rem var(--neon2);
}

/* Reset básico */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 700px at 50% 120%, rgba(255,119,255,.15), transparent 60%),
              radial-gradient(900px 500px at 10% -10%, rgba(0,247,255,.08), transparent 60%),
              var(--bg);
  color:var(--text);
  font-family: ui-rounded, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Noto Sans", sans-serif;
  overflow-x:hidden;
}

/* Background: grade neon + scanlines CRT */
.grid {
  position:fixed; inset:0; z-index:-2;
  background:
    linear-gradient(to bottom, transparent 0 49%, rgba(255,255,255,.05) 50%, transparent 51% 100%),
    repeating-linear-gradient(transparent 0 1px, rgba(255,255,255,.035) 2px 3px),
    radial-gradient(1000px 400px at 50% 110%, rgba(255,119,255,.15), transparent 60%);
  pointer-events:none;
  mix-blend-mode: screen;
}
.grid::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  opacity:.35;
  transform: perspective(900px) rotateX(60deg) translateY(35vh);
  transform-origin: top center;
  filter: drop-shadow(0 0 8px #7a4ef5);
}
.scan{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.02) 0 2px, rgba(0,0,0,.0) 3px 4px);
  mix-blend-mode: overlay; animation: flicker 2s infinite;
}
@keyframes flicker{
  0%,19%,21%,23%,100%{opacity:.25}
  20%,22%{opacity:.15}
}

/* Cabeçalho */
header{ padding: 22px 18px 6px; text-align:center; }
.logo{
  display:inline-block;
  font-size: clamp(26px, 3.5vw, 42px);
  letter-spacing: .06em;
  text-shadow: var(--shadow), 0 0 2.2rem var(--neon2);
}
.logo .jp{font-size:.7em; opacity:.9; display:block; margin-top:4px}
.marquee{
  margin:8px auto 0;
  width:min(960px, 92vw);
  border:1px solid rgba(255,255,255,.2);
  padding:6px 10px;
  overflow:hidden;
  position:relative;
  background:linear-gradient(90deg, rgba(255,119,255,.1), rgba(0,247,255,.08));
  box-shadow: inset 0 0 16px rgba(255,119,255,.25), 0 0 14px rgba(0,247,255,.25);
}
.marquee span{ display:inline-block; white-space:nowrap; animation: scroll 16s linear infinite; }
@keyframes scroll{ from{transform:translateX(0)} to{transform:translateX(-100%)} }

/* Layout principal */
main{
  max-width: 1100px;
  margin: 18px auto 80px;
  display:grid;
  grid-template-columns: 260px 1fr;
  gap:16px;
  padding: 0 14px;
}
@media (max-width: 860px){
  main{ grid-template-columns: 1fr; }
}

/* Navegação lateral */
nav{
  position:relative;
  border:1px solid rgba(255,255,255,.25);
  padding:14px;
  background: linear-gradient(180deg, rgba(0,247,255,.05), rgba(255,119,255,.05));
  box-shadow: 0 0 22px rgba(255,119,255,.2), inset 0 0 26px rgba(0,247,255,.12);
}
.btn{
  display:block;
  width:100%;
  margin:10px 0;
  padding:12px 14px;
  text-align:left;
  font-weight:700;
  letter-spacing:.04em;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(10,0,20,.4);
  color:var(--text);
  cursor:pointer;
  text-shadow: 0 0 6px var(--neon2);
  box-shadow: 0 0 14px rgba(0,247,255,.25), inset 0 0 18px rgba(255,119,255,.18);
  transition: transform .08s ease, box-shadow .2s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 0 18px rgba(0,247,255,.45), inset 0 0 22px rgba(255,119,255,.28); }
.btn.active{ outline:2px solid var(--neon2); text-shadow: 0 0 8px var(--neon1), 0 0 14px var(--neon2); }

/* Painel do jogo */
.panel{
  border:1px solid rgba(255,255,255,.25);
  padding:14px;
  min-height: 520px;
  background: linear-gradient(180deg, rgba(255,119,255,.05), rgba(0,247,255,.05));
  box-shadow: inset 0 0 28px rgba(0,247,255,.15), inset 0 0 40px rgba(255,119,255,.12);
  position:relative;
}
.title{ margin:6px 0 10px; font-weight:900; text-shadow: var(--shadow2); letter-spacing:.06em; }
.subtitle{ margin:0 0 10px; opacity:.9; font-size:.95rem }

/* Canvas wrapper (proporção 16:10) */
.screen-wrap{
  position:relative;
  aspect-ratio: 16/10;
  width:100%;
  max-width: 920px;
  margin-inline:auto;
  border:1px solid rgba(255,255,255,.35);
  background: radial-gradient(120% 160% at 50% 50%, rgba(255,255,255,.04), rgba(0,0,0,.25));
  box-shadow: 0 0 22px rgba(255,119,255,.25), inset 0 0 26px rgba(0,247,255,.15);
}
canvas{ width:100%; height:100%; display:block; image-rendering: pixeladed; }

/* HUD */
.hud{ margin-top:10px; display:flex; gap:8px; flex-wrap:wrap; align-items:center; justify-content:space-between; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.hud .left, .hud .right{display:flex; gap:8px; align-items:center; flex-wrap:wrap}
.chip{ border:1px solid rgba(255,255,255,.35); padding:6px 10px; background:rgba(10,0,20,.5); box-shadow: inset 0 0 18px rgba(255,119,255,.18); }
.neon-link{ color:var(--accent); text-decoration:none; border-bottom:1px dashed rgba(186,255,241,.6) }
.neon-link:hover{ text-shadow: 0 0 8px var(--accent) }

/* Rodapé */
footer{ text-align:center; padding:28px 12px 40px; opacity:.85; font-size:.92rem; }
footer small{display:block; opacity:.8; margin-top:6px}

/* ======= 404 PAGE (glitch + layout central) ======= */
.center404{
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
}

.glitch{
  position: relative;
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
  letter-spacing: .06em;
  font-size: clamp(56px, 14vw, 160px);
  line-height: 1;
  color: var(--text);
  text-shadow: var(--shadow), 0 0 2rem var(--neon2);
  margin: 8px 0 4px;
}

.glitch::before,
.glitch::after{
  content: attr(data-text);
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* deslocamentos coloridos (magenta/ciano) */
.glitch::before{
  color: var(--neon1);
  transform: translate(2px, 0);
  clip-path: inset(0 0 55% 0);
  animation: glitchTop 2.2s infinite linear alternate-reverse;
  text-shadow: 0 0 12px var(--neon1);
}
.glitch::after{
  color: var(--neon2);
  transform: translate(-2px, 0);
  clip-path: inset(45% 0 0 0);
  animation: glitchBottom 1.9s infinite linear alternate-reverse;
  text-shadow: 0 0 12px var(--neon2);
}

@keyframes glitchTop{
  0%   { transform: translate(2px,-1px); }
  20%  { transform: translate(3px, 1px); clip-path: inset(0 0 40% 0); }
  40%  { transform: translate(1px, 0);   clip-path: inset(0 0 60% 0); }
  60%  { transform: translate(4px,-2px); clip-path: inset(0 0 35% 0); }
  80%  { transform: translate(2px, 1px); clip-path: inset(0 0 55% 0); }
  100% { transform: translate(3px, 0);   clip-path: inset(0 0 50% 0); }
}
@keyframes glitchBottom{
  0%   { transform: translate(-2px, 1px); }
  20%  { transform: translate(-3px,-1px); clip-path: inset(55% 0 0 0); }
  40%  { transform: translate(-1px, 0);   clip-path: inset(35% 0 0 0); }
  60%  { transform: translate(-4px, 2px); clip-path: inset(60% 0 0 0); }
  80%  { transform: translate(-2px,-1px); clip-path: inset(45% 0 0 0); }
  100% { transform: translate(-3px, 0);   clip-path: inset(50% 0 0 0); }
}