:root {
  --bg: #050616;
  --panel: rgba(10, 13, 38, .78);
  --cyan: #37f6ff;
  --pink: #ff37d1;
  --violet: #8b5cff;
  --text: #ecfaff;
  --muted: #8ca7bd;
  --line: rgba(55, 246, 255, .24);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(139, 92, 255, .18), transparent 35%),
    radial-gradient(circle at 80% 20%, rgba(255, 55, 209, .12), transparent 30%),
    linear-gradient(180deg, #060719 0%, #02030b 100%);
  font-family: "Share Tech Mono", monospace;
  overflow-x: hidden;
}

.grid-floor {
  position: fixed;
  inset: 45% -30% -30%;
  background-image:
    linear-gradient(rgba(55,246,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,246,255,.16) 1px, transparent 1px);
  background-size: 52px 52px;
  transform: perspective(420px) rotateX(58deg);
  transform-origin: center top;
  mask-image: linear-gradient(to bottom, transparent, black 22%, black 75%, transparent);
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .18;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.05) 4px);
}

.shell { width: min(1180px, calc(100% - 28px)); margin: 22px auto 48px; position: relative; z-index: 2; }
.panel {
  background: linear-gradient(135deg, rgba(12,16,48,.92), rgba(5,7,25,.76));
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(139,92,255,.08) inset, 0 0 28px rgba(55,246,255,.08);
  backdrop-filter: blur(14px);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.hero { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 26px 30px; }
.eyebrow { margin: 0 0 8px; color: var(--cyan); letter-spacing: .18em; font-size: .78rem; }
h1, h2, strong, button { font-family: "Orbitron", sans-serif; }
h1 { margin: 0; font-size: clamp(2.4rem, 7vw, 5.6rem); line-height: .9; letter-spacing: -.06em; text-shadow: 0 0 20px rgba(55,246,255,.45); }
h1 span { color: var(--pink); text-shadow: 0 0 22px rgba(255,55,209,.55); }
.subtitle { margin: 14px 0 0; color: var(--muted); }
.signal { display: flex; align-items: center; gap: 10px; color: var(--cyan); }
.signal i { width: 11px; height: 11px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); animation: pulse 1.4s infinite; }

.layout { display: grid; grid-template-columns: 300px 1fr; gap: 18px; margin-top: 18px; }
.roster { padding: 22px; }
.roster h2 { margin: 0 0 15px; font-size: 1rem; letter-spacing: .12em; color: var(--cyan); }
.player-card { display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: center; padding: 13px; margin-bottom: 12px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.025); }
.symbol { display: grid; place-items: center; width: 60px; height: 60px; font: 800 2.2rem Orbitron; }
.o-symbol { color: var(--cyan); border: 4px solid currentColor; border-radius: 50%; box-shadow: 0 0 14px currentColor, 0 0 14px currentColor inset; font-size: 0; }
.x-symbol { color: var(--pink); text-shadow: 0 0 15px var(--pink); }
.player-card small { display: block; color: var(--muted); margin-bottom: 5px; }
.player-card strong { font-size: .86rem; overflow-wrap: anywhere; }
.queue-title { margin-top: 28px !important; }
.queue { margin: 0; padding-left: 28px; color: var(--muted); }
.queue li { padding: 8px 0; border-bottom: 1px dashed rgba(255,255,255,.08); }
.queue .empty { list-style: none; margin-left: -28px; color: #5d6f83; }

.game-zone { display: grid; gap: 16px; }
.status, .controls { padding: 15px 18px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.role-badge { padding: 7px 10px; border: 1px solid var(--violet); color: #cbbcff; background: rgba(139,92,255,.1); font-family: Orbitron; font-size: .72rem; }

.board { aspect-ratio: 1; width: min(620px, 100%); margin: auto; padding: 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cell {
  border: 1px solid rgba(55,246,255,.28);
  background: linear-gradient(145deg, rgba(55,246,255,.045), rgba(139,92,255,.04));
  cursor: pointer;
  position: relative;
  min-width: 0;
  transition: .18s ease;
}
.cell:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--cyan); box-shadow: 0 0 22px rgba(55,246,255,.2) inset, 0 0 18px rgba(55,246,255,.18); }
.cell:disabled { cursor: default; }
.cell.o::before { content: ""; position: absolute; inset: 22%; border: clamp(5px, 1vw, 10px) solid var(--cyan); border-radius: 50%; box-shadow: 0 0 16px var(--cyan), 0 0 18px var(--cyan) inset; }
.cell.x::before, .cell.x::after { content: ""; position: absolute; left: 48%; top: 17%; width: clamp(6px, 1vw, 10px); height: 66%; background: var(--pink); border-radius: 10px; box-shadow: 0 0 14px var(--pink); }
.cell.x::before { transform: rotate(45deg); }
.cell.x::after { transform: rotate(-45deg); }
.cell.win { animation: winPulse .75s infinite alternate; }

.neon-button {
  border: 1px solid var(--cyan);
  background: rgba(55,246,255,.06);
  color: var(--cyan);
  padding: 12px 18px;
  cursor: pointer;
  letter-spacing: .08em;
  box-shadow: 0 0 14px rgba(55,246,255,.18) inset;
}
.neon-button:hover:not(:disabled) { background: var(--cyan); color: #041016; box-shadow: 0 0 24px var(--cyan); }
.neon-button:disabled { opacity: .35; cursor: not-allowed; }
.controls p { margin: 0; color: var(--muted); text-align: right; }

.modal { position: fixed; inset: 0; z-index: 50; display: none; place-items: center; padding: 20px; background: rgba(1,2,10,.82); backdrop-filter: blur(9px); }
.modal.active { display: grid; }
.join-card { width: min(500px, 100%); padding: 32px; }
.join-card h2 { margin: 0 0 24px; font-size: 1.7rem; }
.join-card label { display: block; color: var(--muted); margin-bottom: 8px; }
.join-card input { width: 100%; margin-bottom: 16px; padding: 14px; color: white; background: #050719; border: 1px solid var(--violet); outline: none; font: 1rem Share Tech Mono; box-shadow: 0 0 14px rgba(139,92,255,.15) inset; }
.join-card input:focus { border-color: var(--cyan); }
.join-card small { display: block; margin-top: 18px; color: var(--muted); line-height: 1.5; }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 60; max-width: 340px; padding: 13px 16px; opacity: 0; transform: translateY(12px); pointer-events: none; background: #15091e; border: 1px solid var(--pink); color: #ffdafa; transition: .2s; }
.toast.show { opacity: 1; transform: translateY(0); }

@keyframes pulse { 50% { opacity: .35; } }
@keyframes winPulse { from { box-shadow: 0 0 10px rgba(255,255,255,.05); } to { box-shadow: 0 0 30px var(--cyan) inset, 0 0 24px var(--pink); } }

@media (max-width: 850px) {
  .layout { grid-template-columns: 1fr; }
  .roster { order: 2; }
  .hero { align-items: flex-start; }
  .signal { margin-top: 6px; }
}
@media (max-width: 560px) {
  .shell { width: min(100% - 16px, 1180px); margin-top: 8px; }
  .hero { padding: 20px; flex-direction: column; }
  .board { padding: 10px; gap: 7px; }
  .status, .controls { align-items: flex-start; flex-direction: column; }
  .controls p { text-align: left; }
}

.score {
  display: inline-block;
  margin-top: 7px;
  padding: 3px 7px;
  border: 1px solid rgba(55,246,255,.28);
  color: var(--cyan);
  font-family: Orbitron, sans-serif;
  font-size: .68rem;
  letter-spacing: .08em;
  box-shadow: 0 0 10px rgba(55,246,255,.12) inset;
}
.x-card .score { color: var(--pink); border-color: rgba(255,55,209,.28); }
.queue li:not(.empty) { display: flex; justify-content: space-between; gap: 10px; }
.queue li b { color: var(--violet); font: 600 .68rem Orbitron, sans-serif; white-space: nowrap; }