:root{--bg: #08020f;--primary: #00f5ff;--accent: #ff006e;--yellow: #ffbe0b;--green: #39ff14;--wall-color: #1a102f;--destructible-wall: #bf360c}body{background:var(--bg);color:#fff;font-family:Courier New,Courier,monospace;margin:0;padding:0;overflow:hidden;-webkit-user-select:none;user-select:none}.game-wrapper{width:840px;margin:20px auto;display:flex;flex-direction:column;gap:12px}.game-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#1a102f99;border:1px solid rgba(0,245,255,.2);border-radius:8px;box-shadow:0 0 15px #00f5ff0d}.game-title{font-size:20px;font-weight:900;letter-spacing:2px;margin:0;background:linear-gradient(45deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 10px rgba(0,245,255,.3)}.cloud-indicator{font-size:11px;color:#fff9}.score-container{display:flex;gap:16px}.score-item{display:flex;align-items:center;gap:6px;font-weight:700;font-size:14px}.game-screen{width:840px;height:420px;position:relative;background:#0d061a;border:3px solid #1e123a;border-radius:12px;overflow:hidden;box-shadow:0 0 30px #000c;display:flex;justify-content:center;align-items:center}.grid-container{width:504px;height:420px;position:relative;background:#0d061a;border-left:1px solid rgba(255,255,255,.05);border-right:1px solid rgba(255,255,255,.05)}.cell{position:absolute;box-sizing:border-box}.cell-wall{background-color:var(--wall-color);border:1px solid rgba(255,255,255,.03);box-shadow:inset 0 0 8px #000c}.cell-wall-destructible{background:repeating-linear-gradient(45deg,var(--destructible-wall),var(--destructible-wall) 4px,#d84315 4px,#d84315 8px);border:1px solid rgba(255,87,34,.3);box-shadow:inset 0 0 6px #0009}.entity{position:absolute;transition:transform .08s ease-out;z-index:10}.player-tank{width:18px;height:18px}.player-tank .tank-body{width:14px;height:14px;background:var(--primary);border-radius:3px;position:absolute;top:2px;left:2px;box-shadow:0 0 10px var(--primary)}.player-tank .tank-turret{width:4px;height:10px;background:#fff;position:absolute;top:-5px;left:7px;border-radius:2px;box-shadow:0 0 6px #fff}.player-hp-bar-container{position:absolute;width:22px;height:3px;background:#0009;bottom:-9px;left:-2px;border-radius:2px;overflow:hidden}.player-hp-bar-fill{height:100%;background-color:var(--primary);box-shadow:0 0 5px var(--primary);transition:width .2s ease}.enemy-ship{width:18px;height:18px;border:2px solid var(--accent);border-radius:50%;box-shadow:0 0 10px #ff006e66}.enemy-wing-l,.enemy-wing-r{width:4px;height:8px;position:absolute;top:5px;border-radius:1px}.enemy-wing-l{left:-5px}.enemy-wing-r{right:-5px}.enemy-core{width:6px;height:6px;background:#fff;border-radius:50%;position:absolute;top:6px;left:6px;box-shadow:0 0 6px #fff}.hp-bar-container{position:absolute;width:22px;height:3px;background:#0009;bottom:-9px;left:-2px;border-radius:2px;overflow:hidden}.hp-bar-fill{height:100%;transition:width .2s ease}.bullet{width:8px;height:8px;border-radius:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center}.bullet.player{background:var(--yellow);box-shadow:0 0 10px var(--yellow)}.bullet.enemy{background:var(--accent);box-shadow:0 0 10px var(--accent)}.bounce-count{font-size:6px;color:#000;font-weight:900;pointer-events:none}.particle{position:absolute;border-radius:50%;pointer-events:none;transform:translate(-50%,-50%)}.hud-overlay{position:absolute;bottom:12px;left:12px;right:12px;display:flex;justify-content:space-between;pointer-events:none;z-index:20}.hud-group{display:flex;align-items:center;gap:8px;background:#08020fe6;padding:6px 12px;border-radius:20px;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 10px #00000080}.lives-indicator{display:flex;gap:6px}.heart-dot{width:10px;height:10px;border-radius:50%;background:#331a40;transition:background .3s ease,transform .3s ease}.heart-dot.active{background:var(--accent);box-shadow:0 0 8px var(--accent);transform:scale(1.1)}.hud-text{font-size:12px;font-weight:700;letter-spacing:1px}.screen-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#08020ff2;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:30;gap:16px}.gameover-bg{background:radial-gradient(circle,#280014fa,#08020ffc)}.victory-bg{background:radial-gradient(circle,#00231efa,#08020ffc)}.neon-text-blue{font-size:32px;font-weight:900;color:#fff;text-shadow:0 0 15px var(--primary);margin:0}.neon-text-pink{font-size:32px;font-weight:900;color:#fff;text-shadow:0 0 15px var(--accent);margin:0}.neon-text-green{font-size:32px;font-weight:900;color:#fff;text-shadow:0 0 15px var(--green);margin:0}.subtitle{color:#fff9;font-size:13px;margin:0}.controls-guide{background:#ffffff08;border:1px solid rgba(255,255,255,.08);padding:12px 24px;border-radius:8px;font-size:12px;display:flex;flex-direction:column;gap:6px;color:#fffc}.controls-guide span{color:var(--primary);font-weight:700;margin-right:8px}.final-score{font-size:18px;font-weight:700;color:var(--yellow)}.action-btn{display:flex;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:700;color:#000;background:var(--primary);border:none;border-radius:30px;cursor:pointer;box-shadow:0 0 15px var(--primary);transition:transform .1s ease,box-shadow .2s ease}.action-btn:hover{transform:scale(1.05);box-shadow:0 0 25px var(--primary)}.action-btn.restart{background:var(--accent);color:#fff;box-shadow:0 0 15px var(--accent)}.action-btn.restart:hover{box-shadow:0 0 25px var(--accent)}.action-btn.victory{background:var(--green);box-shadow:0 0 15px var(--green)}.action-btn.victory:hover{box-shadow:0 0 25px var(--green)}.text-primary{color:var(--primary)}.text-accent{color:var(--accent)}.text-yellow{color:var(--yellow)}.fill-accent{fill:var(--accent)}.mb-2{margin-bottom:8px}