/* ── VARIABLES ── */
:root {
  --bg: #000000;
  --bg2: #04000a;
  --surface: rgba(255,0,100,.022);
  --border: rgba(255,0,100,.14);
  --border-hi: rgba(255,0,100,.32);
  --primary: #ff006e;
  --glow: rgba(255,0,110,.5);
  --accent: #ff80b3;
  --text: #ece0e8;
  --muted: #5a4558;
  --cyber: #00e5ff;
  --online: #00ff88;
  --idle: #ffaa00;
  --dnd: #ff2244;
  --offline: #333344;
  --streaming: #aa00ff;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Cyber grid */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,0,100,.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,100,.016) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none; z-index: 0;
}

/* Scanlines */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,.06) 3px, rgba(0,0,0,.06) 4px
  );
  pointer-events: none; z-index: 9990;
}

/* ── LOADER ── */
#poo-loader {
  position: fixed; inset: 0; z-index: 99999;
  background: #000;
  display: flex; align-items: center; justify-content: center;
}
.ld-inner {
  display: flex; flex-direction: column; align-items: center; gap: 2rem;
  text-align: center; padding: 2rem;
}
.ld-logo {
  font-family: 'Orbitron', monospace;
  font-size: clamp(4rem, 16vw, 9rem);
  font-weight: 900; letter-spacing: 18px;
  color: var(--primary);
  text-shadow: 0 0 40px var(--glow), 0 0 90px rgba(255,0,110,.25);
  animation: ld-glitch 1.8s steps(2) infinite;
}
@keyframes ld-glitch {
  0%,85%,100% { text-shadow: 0 0 40px var(--glow), 0 0 90px rgba(255,0,110,.25); transform: none; }
  88%  { text-shadow: -4px 0 0 var(--cyber), 4px 0 0 var(--primary); transform: translate(-2px); }
  91%  { text-shadow: 4px 0 0 var(--cyber), -4px 0 0 var(--primary); transform: translate(3px); }
  94%  { text-shadow: 0 0 50px var(--glow), 0 0 100px rgba(255,0,110,.3); transform: none; }
}
.ld-bar-wrap {
  width: min(300px, 65vw); height: 2px;
  background: rgba(255,0,110,.08);
  position: relative;
}
.ld-bar-wrap::before {
  content: '';
  position: absolute; left: 0; right: 0; top: -4px; bottom: -4px;
  box-shadow: 0 0 0 1px rgba(255,0,110,.1);
}
.ld-bar {
  height: 100%; width: 0;
  background: linear-gradient(90deg, #ff006e, #ff80b3);
  box-shadow: 0 0 12px var(--glow);
  transition: width .12s linear;
}
.ld-status {
  font-family: 'Orbitron', monospace;
  font-size: .58rem; letter-spacing: 5px;
  color: rgba(255,0,110,.35);
  min-height: 1em;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--primary); box-shadow: 0 0 6px var(--glow); }
::selection { background: var(--primary); color: #fff; }

/* ── CANVAS ── */
#bg-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200; height: 54px;
  padding: 0 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(0,0,0,.94);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255,0,100,.3);
  box-shadow: 0 0 28px rgba(255,0,110,.12), 0 1px 0 rgba(255,0,100,.08);
}
.nav-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem; font-weight: 900; letter-spacing: 6px;
  color: var(--primary); text-decoration: none;
  text-shadow: 0 0 14px var(--glow);
  flex-shrink: 0;
  transition: text-shadow .3s, letter-spacing .3s;
}
.nav-logo:hover {
  text-shadow: 0 0 24px var(--glow), 0 0 50px rgba(255,0,110,.3);
  letter-spacing: 8px;
}

/* Desktop: inline links */
.nav-links {
  display: flex; align-items: center; gap: 2.2rem; list-style: none;
}
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .68rem; letter-spacing: 2.5px; text-transform: uppercase;
  transition: color .2s, text-shadow .2s;
  font-family: 'Orbitron', monospace;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--primary);
  transform: scaleX(0); transform-origin: center;
  transition: transform .25s ease;
  box-shadow: 0 0 6px var(--glow);
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  text-shadow: 0 0 10px var(--glow);
}

/* Hamburger: mobile only */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; background: none; border: none; z-index: 1;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--primary); box-shadow: 0 0 5px var(--glow); transition: .3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed; top: 54px; left: 0; right: 0;
    background: rgba(0,0,0,.97);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    flex-direction: column; align-items: flex-start;
    padding: 1.5rem 2.5rem; gap: .9rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0,0,0,.8);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: .75rem; letter-spacing: 3px; padding: .3rem 0; }
}

/* ── MAIN ── */
main { position: relative; z-index: 10; padding-top: 54px; }

/* ── FOOTER ── */
footer {
  position: relative; z-index: 10;
  text-align: center; padding: 2rem 1rem;
  color: var(--muted); font-size: .7rem; letter-spacing: 1px;
  border-top: 1px solid var(--border);
}
footer a { color: var(--primary); text-decoration: none; }
footer a:hover { text-shadow: 0 0 8px var(--glow); }

/* ── BUTTONS ── */
.btn {
  padding: .6rem 1.4rem; border-radius: 3px; border: none;
  cursor: pointer; font-family: 'Orbitron', 'Inter', sans-serif;
  font-size: .72rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; transition: all .25s;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 0 14px rgba(255,0,110,.4);
}
.btn-primary::after {
  content: '';
  position: absolute; top: 0; left: -80%;
  width: 55%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  transform: skewX(-18deg);
  animation: btn-shimmer 2.8s ease-in-out infinite;
}
@keyframes btn-shimmer {
  0%, 55% { left: -80%; }
  100% { left: 160%; }
}
.btn-primary:hover {
  box-shadow: 0 0 26px var(--glow), 0 0 52px rgba(255,0,110,.18);
  transform: translateY(-2px);
}
.btn-primary:disabled { opacity: .35; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-outline {
  background: transparent; border: 1px solid var(--border); color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: 0 0 10px rgba(255,0,110,.12); }
.btn-sm { padding: .38rem .85rem; font-size: .65rem; letter-spacing: 1.5px; }

/* ── GLASS CARDS ── */
.card {
  position: relative; overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 1px solid rgba(255,0,100,.28);
  border-radius: 4px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: inset 0 1px 0 rgba(255,0,100,.08), 0 4px 24px rgba(0,0,0,.4);
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.card:hover {
  border-color: rgba(255,0,100,.35);
  box-shadow: inset 0 1px 0 rgba(255,0,100,.12), 0 0 22px rgba(255,0,110,.16), 0 8px 32px rgba(0,0,0,.5);
  transform: translateY(-2px);
}

/* ── SECTION TITLE ── */
.sec-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem; color: var(--primary);
  letter-spacing: 6px; text-align: center;
  text-shadow: 0 0 16px var(--glow);
  margin-bottom: 2rem;
}

/* ── RESULT BOX ── */
.result-box {
  padding: 1rem; margin-top: 1rem;
  background: rgba(255,0,100,.018); border: 1px solid var(--border);
  border-radius: 3px; font-size: .9rem; line-height: 1.8;
  min-height: 60px; color: var(--text); word-break: break-word; white-space: pre-wrap;
}

/* ── CHIP / TAG ── */
.chip {
  padding: .3rem .8rem; border-radius: 3px;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); font-size: .72rem; cursor: pointer;
  transition: all .22s; font-family: 'Noto Sans JP', sans-serif; letter-spacing: .5px;
}
.chip:hover, .chip.active {
  border-color: rgba(255,0,100,.35); color: var(--accent);
  box-shadow: 0 0 10px rgba(255,0,110,.14); background: rgba(255,0,110,.04);
}

/* ── ANIMATIONS ── */
@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,136,.6); }
  50%       { box-shadow: 0 0 0 6px rgba(0,255,136,0); }
}
@keyframes glitch-a {
  0%,88%,100% { opacity: 0; transform: none; }
  90% { opacity: .85; transform: translate(-4px,-1px) skewX(-8deg); }
  94% { opacity: .5;  transform: translate(4px,1px) skewX(6deg); }
}
@keyframes glitch-b {
  0%,88%,100% { opacity: 0; transform: none; }
  90% { opacity: .6;  transform: translate(4px,1px); }
  94% { opacity: .85; transform: translate(-4px,-1px); }
}

/* ── SCROLL REVEAL ── */
.fade { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.fade.in { opacity: 1; transform: none; }

/* ── SPINNER ── */
.spinner {
  width: 32px; height: 32px;
  border: 2px solid rgba(255,0,110,.12);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 1rem;
  box-shadow: 0 0 12px rgba(255,0,110,.3);
}

/* staggered fade delays */
.fade[data-delay="1"] { transition-delay: 80ms; }
.fade[data-delay="2"] { transition-delay: 160ms; }
.fade[data-delay="3"] { transition-delay: 240ms; }
.fade[data-delay="4"] { transition-delay: 320ms; }
.fade[data-delay="5"] { transition-delay: 400ms; }
.fade[data-delay="6"] { transition-delay: 480ms; }
.fade[data-delay="7"] { transition-delay: 560ms; }