*{box-sizing:border-box;margin:0;padding:0}body{color:#e0f0ff;background:#000;font-family:Courier New,monospace;overflow:hidden}#title-screen,#game-over-screen{z-index:100;background:#000;flex-direction:column;justify-content:center;align-items:center;transition:opacity 1s;display:flex;position:fixed;inset:0}#game-over-screen{background:#140000eb;display:none}h1.title{color:#0fc;letter-spacing:8px;text-shadow:0 0 30px #00ffcc80;margin-bottom:8px;font-size:48px}h1.fatal{color:#f20;letter-spacing:8px;text-shadow:0 0 40px #f20;margin-bottom:8px;font-size:52px}h2.subtitle{color:#90c8e8;letter-spacing:4px;margin-bottom:48px;font-size:16px}p.fatal-sub{color:#f86;margin-bottom:36px;font-size:18px}.mode-select{gap:24px;margin-bottom:36px;display:flex}.mode-card{cursor:pointer;text-align:center;border-radius:10px;flex-direction:column;align-items:center;gap:10px;min-width:200px;padding:24px 28px;transition:all .25s;display:flex}.mode-card.survive{background:#ff280012;border:1px solid #ff320066}.mode-card.survive:hover{background:#ff28002e;border-color:#f20;transform:translateY(-2px);box-shadow:0 0 20px #ff220040}.mode-card.explore{background:#00c8ff12;border:1px solid #00c8ff66}.mode-card.explore:hover{background:#00c8ff2e;border-color:#0cf;transform:translateY(-2px);box-shadow:0 0 20px #00ccff40}.mode-icon{font-size:32px;line-height:1}.mode-title{letter-spacing:4px;font-size:15px;font-weight:700}.mode-card.survive .mode-title{color:#f42}.mode-card.explore .mode-title{color:#0cf}.mode-desc{color:#507090;letter-spacing:1px;font-size:10px;line-height:1.7}.btn{letter-spacing:3px;cursor:pointer;border-radius:8px;padding:14px 40px;font-family:Courier New,monospace;font-size:14px;transition:all .3s}.btn-cyan{color:#0fc;background:#00ffcc26;border:1px solid #0fc;margin-bottom:32px}.btn-cyan:hover{text-shadow:0 0 10px #0fc;background:#00ffcc4d}.btn-red{color:#f42;background:#ff320026;border:1px solid #f20}.btn-red:hover{text-shadow:0 0 10px #f20;background:#ff32004d}.instructions{color:#507090;text-align:center;letter-spacing:1px;max-width:480px;font-size:12px;line-height:2}#damage-msg{color:#f42;letter-spacing:3px;text-shadow:0 0 12px #f20;white-space:nowrap;pointer-events:none;opacity:0;z-index:50;background:#b4000026;border:1px solid #ff1e0099;border-radius:6px;padding:10px 24px;font-size:16px;transition:opacity .4s;position:fixed;top:40%;left:50%;transform:translate(-50%)}#damage-overlay{pointer-events:none;z-index:40;background:#f000;transition:background .1s ease-in;position:fixed;inset:0}#beacon-msg{color:#0f9;letter-spacing:3px;text-shadow:0 0 12px #0f6;white-space:nowrap;pointer-events:none;opacity:0;z-index:50;background:#003c2833;border:1px solid #00ff9980;border-radius:6px;padding:10px 24px;font-size:16px;transition:opacity .4s;position:fixed;top:35%;left:50%;transform:translate(-50%)}#hud-stats{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none;z-index:30;background:#000812d1;border:1px solid #00ffcc2e;border-radius:10px;min-width:210px;padding:14px 18px;display:none;position:fixed;top:16px;right:16px}#hud-stats h3{letter-spacing:3px;color:#00ffcc73;text-transform:uppercase;border-bottom:1px solid #00ffcc1a;margin-bottom:10px;padding-bottom:6px;font-size:10px}.hud-row{color:#507090;letter-spacing:1px;justify-content:space-between;align-items:center;margin-bottom:7px;font-size:11px;display:flex}.hud-row:last-child{margin-bottom:0}.hud-val{color:#0fc;letter-spacing:1px;font-size:12px;font-weight:700}.hud-val.danger{color:#f42;text-shadow:0 0 6px #ff280080}.hud-val.warn{color:#fa0}#hp-bar-wrap{border-top:1px solid #00ffcc1a;margin-top:10px;padding-top:8px}#hp-bar-label{color:#507090;letter-spacing:2px;margin-bottom:5px;font-size:10px}#hp-bar-bg{background:#ffffff0f;border-radius:3px;width:100%;height:5px;overflow:hidden}#hp-bar-fill{background:linear-gradient(90deg,#0c8,#0fc);border-radius:3px;width:100%;height:100%;transition:width .3s,background .4s}@keyframes scorePop{0%{transform:scale(1)}40%{transform:scale(1.15)}to{transform:scale(1)}}.score-pop{animation:.25s scorePop}#hud-mode-badge{letter-spacing:2px;color:#0cf;text-align:center;opacity:.7;border-top:1px solid #00ccff1f;margin-top:8px;padding-top:6px;font-size:9px;display:none}#victory-screen{z-index:100;background:#000e08f2;flex-direction:column;justify-content:center;align-items:center;animation:.7s fadeInV;display:none;position:fixed;inset:0}@keyframes fadeInV{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}#victory-screen h1{color:#0fc;letter-spacing:8px;text-shadow:0 0 40px #00ffcca6,0 0 80px #0fc3;margin-bottom:6px;font-size:52px}.v-sub{color:#507090;letter-spacing:4px;margin-bottom:36px;font-size:13px}.score-card{background:#00ffcc08;border:1px solid #00ffcc29;border-radius:10px;min-width:340px;margin-bottom:32px;padding:22px 36px}.score-line{color:#507090;letter-spacing:1px;border-bottom:1px solid #00ffcc0f;justify-content:space-between;align-items:center;padding:7px 0;font-size:12px;display:flex}.score-line:last-child{border-bottom:none}.score-line .s-val{color:#0fc;font-weight:700}.score-line .s-val.bonus{color:#fa0}.score-line.total-line{color:#90c8e8;letter-spacing:2px;border-top:1px solid #0fc3;border-bottom:none;margin-top:8px;padding-top:14px;font-size:14px}.score-line.total-line .s-val{color:#fa0;text-shadow:0 0 14px #ffaa008c;font-size:26px}body.mode-explore #hud-row-hp,body.mode-explore #hp-bar-wrap{display:none}body.mode-explore #hud-mode-badge{display:block}body.mode-explore #v-hp-row{display:none}#mute-btn{z-index:30;color:#0fc;letter-spacing:2px;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#000812d1;border:1px solid #00ffcc40;border-radius:6px;align-items:center;gap:7px;padding:8px 14px;font-family:Courier New,monospace;font-size:11px;transition:border-color .2s,background .2s;display:none;position:fixed;bottom:16px;right:16px}#mute-btn:hover{background:#00ffcc14;border-color:#00ffcc80}#mute-btn.muted{color:#507090;border-color:#5070904d}#view-msg{color:#0cf;letter-spacing:3px;text-shadow:0 0 12px #0af;white-space:nowrap;pointer-events:none;opacity:0;z-index:50;background:#00142833;border:1px solid #0cf6;border-radius:6px;padding:10px 24px;font-size:16px;transition:opacity .4s;position:fixed;top:45%;left:50%;transform:translate(-50%)}