:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:1.5rem;gap:1.5rem}.header{text-align:center}.header h1{margin:0;font-size:2rem;font-weight:700;letter-spacing:-.02em;color:#e53e3e;text-shadow:0 0 20px rgba(229,62,62,.4)}.header p{margin:.25rem 0 0;color:#ffffff80;font-size:.9rem}.stats-bar{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}.stat{display:flex;flex-direction:column;align-items:center;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:.5rem;padding:.5rem 1.25rem;min-width:100px}.stat-label{font-size:.65rem;text-transform:uppercase;letter-spacing:.15em;color:#fff6;margin-bottom:.15rem}.stat-value{font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums}.stat-value.zombie{color:#e53e3e}.stat-value.survivor{color:#38a169}.stat-value.hiding{color:#d69e2e}.stat-value.dead{color:#ffffff4d}.stat-value.time{color:#63b3ed}.controls{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.btn{font-family:inherit;font-size:.85rem;font-weight:600;padding:.5rem 1.25rem;border-radius:.4rem;border:1px solid rgba(255,255,255,.15);background:#ffffff0f;color:#fafafa;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:#ffffff1f;border-color:#ffffff40}.btn-primary{background:#e53e3e;border-color:#e53e3e;color:#fff}.btn-primary:hover{background:#c53030;border-color:#c53030}.btn-running{background:#2f855a;border-color:#2f855a;color:#fff}.btn-running:hover{background:#276749;border-color:#276749}.city-container{position:relative;border:2px solid rgba(255,255,255,.08);border-radius:.5rem;overflow:hidden;background:#111}.city-grid{display:grid;gap:0;position:relative}.cell{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;position:relative;transition:background .3s}.cell-road{background:#1a1a1a}.cell-building{background:#2d3748;border:1px solid rgba(255,255,255,.05)}.cell-building.safe{background:#2d3748;box-shadow:inset 0 0 8px #38a16926}.entity{position:absolute;display:flex;align-items:center;justify-content:center;font-size:1.2rem;z-index:10;transition:left .4s ease,top .4s ease;pointer-events:none}.entity-zombie{animation:zombie-bob .6s ease-in-out infinite alternate;filter:drop-shadow(0 0 4px rgba(229,62,62,.6))}.entity-person{animation:person-panic .3s ease-in-out infinite alternate;filter:drop-shadow(0 0 3px rgba(56,161,105,.5))}.entity-hiding{animation:none;opacity:.7;filter:drop-shadow(0 0 3px rgba(214,158,46,.5))}.entity-dead{animation:none;opacity:.4;filter:grayscale(1)}@keyframes zombie-bob{0%{transform:translateY(-1px) rotate(-3deg)}to{transform:translateY(1px) rotate(3deg)}}@keyframes person-panic{0%{transform:translate(-1px)}to{transform:translate(1px)}}.legend{display:flex;gap:1.25rem;flex-wrap:wrap;justify-content:center;font-size:.8rem;color:#ffffff80}.legend-item{display:flex;align-items:center;gap:.35rem}.log-panel{max-width:600px;width:100%;max-height:140px;overflow-y:auto;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:.5rem;padding:.75rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem;color:#ffffff73;line-height:1.6}.log-entry{border-bottom:1px solid rgba(255,255,255,.03);padding:.15rem 0}.log-entry:last-child{border-bottom:none}.log-time{color:#ffffff40;margin-right:.5rem}.log-danger{color:#fc8181}.log-safe{color:#68d391}.log-hide{color:#f6e05e}.log-info{color:#ffffff73}.speed-control{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:#ffffff80}.speed-control input[type=range]{width:80px;accent-color:#e53e3e}.game-over-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .5s ease}.game-over-card{text-align:center;background:#1a1a1a;border:2px solid #e53e3e;border-radius:1rem;padding:2.5rem 3rem;box-shadow:0 0 60px #e53e3e33}.game-over-card h2{margin:0 0 .5rem;font-size:2rem;color:#e53e3e;text-shadow:0 0 20px rgba(229,62,62,.5)}.game-over-card p{color:#fff9;margin-bottom:1.5rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}