*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0a0a12;--bg-secondary:#12121f;--bg-tertiary:#1a1a2e;--text-primary:#f0f0f5;--text-secondary:#a0a0b8;--accent-cyan:#00f5ff;--accent-magenta:#f0a;--accent-purple:#bf00ff;--accent-blue:#0af;--accent-blue-hover:#00d4ff;--accent-green:#0f8;--accent-red:#f36;--accent-yellow:#fd0;--cell-empty:#1a1a2e;--cell-ship:#2d2d4a;--cell-hit:#f36;--cell-sunk:#00f5ff;--cell-miss:#4a4a6a;--cell-hover:#0af;--glow-cyan:0 0 20px rgba(0,245,255,.4);--glow-magenta:0 0 20px rgba(255,0,170,.3);--bg:var(--bg-secondary);--text:var(--text-primary);--border:var(--bg-tertiary)}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;position:relative}body:before{content:"";position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 0,rgba(0,0,0,.03) 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.5rem;border-radius:.25rem}.status-joining{background:var(--accent-yellow);color:#000}.status-ready{background:var(--accent-green);color:#fff}.status-playing{background:var(--accent-blue);color:#fff}.status-eliminated{background:var(--accent-red);color:#fff}.status-disconnected{opacity:.5}.timer{font-size:2rem;font-weight:700;text-align:center;padding:1rem}.timer-warning{color:var(--accent-yellow)}.timer-critical{color:var(--accent-red);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.phase-header{text-align:center;margin-bottom:2rem}.phase-header h1{font-size:2rem;margin-bottom:.5rem}.phase-header 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