:root{--bg-dark: #0a0e17;--panel-bg: rgba(15, 23, 42, .82);--panel-border: rgba(56, 189, 248, .35);--cyan-glow: #06b6d4;--cyan-bright: #38bdf8;--red-alert: #ef4444;--red-glow: #f87171;--amber-warn: #fbbf24;--font-main: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Courier New", monospace}*{margin:0;padding:0;box-sizing:border-box;-webkit-user-select:none;user-select:none}body,html{width:100%;height:100%;overflow:hidden;background-color:var(--bg-dark);color:#f1f5f9;font-family:var(--font-main)}#game-container{width:100%;height:100%;position:absolute;top:0;left:0;z-index:1}canvas{display:block;width:100%;height:100%}#damage-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:5;box-shadow:inset 0 0 100px 30px #ef4444a6;opacity:0;transition:opacity .1s ease-out}#low-hp-warning{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:4;box-shadow:inset 0 0 120px 40px #dc262680;opacity:0;transition:opacity .3s ease-in-out}#low-hp-warning.visible{opacity:1;animation:pulse-low-hp 1.2s infinite alternate}@keyframes pulse-low-hp{0%{opacity:.35}to{opacity:.85}}#hud-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:20px}.hud-panel{background:var(--panel-bg);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:8px;box-shadow:0 4px 20px #00000080,inset 0 0 12px #06b6d41a;pointer-events:auto}.hud-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.player-status{padding:12px 18px;min-width:250px;display:flex;flex-direction:column;gap:8px}.status-row{display:flex;align-items:center;gap:10px}.status-label{font-family:var(--font-mono);font-size:11px;font-weight:700;width:50px;color:var(--cyan-bright);letter-spacing:1px}.bar-container{flex:1;height:12px;background:#0f172ae6;border:1px solid rgba(255,255,255,.15);border-radius:4px;overflow:hidden;position:relative}.bar-fill{height:100%;transition:width .15s ease-out}.hp-fill{background:linear-gradient(90deg,#10b981,#06b6d4);box-shadow:0 0 10px #06b6d480}.shield-fill{background:linear-gradient(90deg,#2563eb,#60a5fa);box-shadow:0 0 10px #60a5fa80}.status-num{font-family:var(--font-mono);font-size:12px;font-weight:700;color:#fff;min-width:65px;text-align:right}.enemy-boss-status{padding:12px 24px;min-width:360px;max-width:480px;flex:1;display:flex;flex-direction:column;gap:6px;border-color:#ef444466;background:#140f19d9}.enemy-header{display:flex;justify-content:space-between;align-items:center}.enemy-title{font-family:var(--font-mono);font-size:12px;font-weight:800;color:#f87171;letter-spacing:1.5px}.badge{font-family:var(--font-mono);font-size:10px;font-weight:700;padding:2px 8px;border:1px solid var(--amber-warn);color:var(--amber-warn);border-radius:4px;letter-spacing:.5px}.enemy-bar-bg{height:14px}.enemy-fill{background:linear-gradient(90deg,#b91c1c,#ef4444);box-shadow:0 0 12px #ef4444b3}.enemy-footer{display:flex;justify-content:space-between;align-items:center}.timer-text{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--cyan-bright)}.radar-panel{padding:10px;display:flex;align-items:center;gap:12px}.radar-box{position:relative;width:130px;height:130px}#radar-canvas{width:130px;height:130px;border-radius:50%}.radar-info{position:absolute;bottom:6px;left:0;right:0;display:flex;justify-content:space-between;padding:0 14px;font-family:var(--font-mono);font-size:10px;color:var(--cyan-bright);font-weight:700}.top-quick-actions{display:flex;flex-direction:column;gap:8px}.hud-btn{background:#1e293bcc;border:1px solid rgba(56,189,248,.4);color:#fff;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:15px;transition:all .2s ease}.hud-btn:hover{background:#38bdf840;border-color:var(--cyan-bright);transform:scale(1.05)}#crosshair-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;pointer-events:none;z-index:12}#hud-crosshair{position:relative;width:100%;height:100%}.ch-dot{position:absolute;top:50%;left:50%;width:4px;height:4px;background:#fff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 6px var(--cyan-bright)}.ch-line{position:absolute;background:#38bdf8d9;box-shadow:0 0 4px var(--cyan-bright)}.ch-top{top:4px;left:50%;width:2px;height:10px;transform:translate(-50%)}.ch-bottom{bottom:4px;left:50%;width:2px;height:10px;transform:translate(-50%)}.ch-left{top:50%;left:4px;width:10px;height:2px;transform:translateY(-50%)}.ch-right{top:50%;right:4px;width:10px;height:2px;transform:translateY(-50%)}#hud-hitmarker{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transform:scale(.7);transition:opacity .1s,transform .1s}#hud-hitmarker.active{opacity:1;transform:scale(1.1)}.hm-tick{position:absolute;width:10px;height:2.5px;background:#f34;box-shadow:0 0 6px #f03}.hm-tl{top:10px;left:10px;transform:rotate(45deg)}.hm-tr{top:10px;right:10px;transform:rotate(-45deg)}.hm-bl{bottom:10px;left:10px;transform:rotate(-45deg)}.hm-br{bottom:10px;right:10px;transform:rotate(45deg)}.hud-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.controls-guide{padding:12px 18px;display:flex;gap:16px;align-items:center}.guide-item{display:flex;align-items:center;gap:8px}.key-badge{background:#1e293b;border:1px solid rgba(56,189,248,.4);color:var(--cyan-bright);font-family:var(--font-mono);font-size:11px;font-weight:700;padding:4px 8px;border-radius:4px}.key-label{font-size:12px;color:#94a3b8}.weapon-ammo-display{padding:12px 22px;min-width:220px;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.weapon-info{display:flex;justify-content:space-between;width:100%;align-items:center}.weapon-name{font-family:var(--font-mono);font-size:11px;color:#94a3b8;letter-spacing:1px}.diff-tag{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--cyan-bright)}.ammo-counter{margin-top:2px}.ammo-num{font-family:var(--font-mono);font-size:28px;font-weight:800;color:#fff;letter-spacing:2px;text-shadow:0 0 10px rgba(6,182,212,.6)}.ammo-num.reloading{font-size:16px;color:var(--amber-warn);animation:pulse-reload .6s infinite alternate}@keyframes pulse-reload{0%{opacity:.5}to{opacity:1}}.reload-wrapper{width:100%;margin-top:4px}.reload-bg{width:100%;height:6px;background:#0f172ae6;border-radius:3px;overflow:hidden;border:1px solid rgba(251,191,36,.3)}.reload-fill{height:100%;background:var(--amber-warn);box-shadow:0 0 8px var(--amber-warn)}.reload-label{font-family:var(--font-mono);font-size:9px;color:var(--amber-warn);font-weight:700;letter-spacing:1px;display:block;text-align:right;margin-top:2px}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:#050810e0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}.modal-backdrop.visible{display:flex}.modal-card{background:#0f172af2;border:1px solid rgba(56,189,248,.4);border-radius:12px;max-width:860px;width:100%;padding:32px;box-shadow:0 10px 40px #000c,0 0 30px #06b6d426;display:flex;flex-direction:column;gap:22px;max-height:92vh;overflow-y:auto}.modal-header{text-align:center}.game-logo{font-size:32px;font-weight:900;letter-spacing:3px;color:#fff;text-shadow:0 0 15px rgba(6,182,212,.6)}.logo-accent{color:var(--cyan-bright)}.game-tagline{color:#94a3b8;font-size:14px;margin-top:6px}.section-title{font-size:15px;font-family:var(--font-mono);font-weight:700;color:var(--cyan-bright);letter-spacing:1px}.section-subtitle{font-size:13px;color:#64748b;margin-bottom:14px}.diff-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.diff-grid.compact{grid-template-columns:repeat(2,1fr)}.diff-card{background:#1e293b99;border:2px solid rgba(255,255,255,.1);border-radius:8px;padding:14px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;justify-content:space-between}.diff-card:hover{border-color:#38bdf880;background:#1e293be6;transform:translateY(-2px)}.diff-card.selected{border-color:var(--cyan-bright);background:#06b6d41f;box-shadow:0 0 15px #06b6d459}.diff-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.diff-title{font-weight:800;font-size:15px}.diff-badge{font-family:var(--font-mono);font-size:9px;font-weight:700;padding:2px 6px;border:1px solid;border-radius:4px}.diff-desc{font-size:11px;color:#94a3b8;line-height:1.4;margin-bottom:12px}.diff-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#0f172ab3;padding:8px;border-radius:6px}.diff-stat-item{display:flex;flex-direction:column}.stat-label{font-size:9px;color:#64748b;text-transform:uppercase}.stat-val{font-size:10px;font-family:var(--font-mono);font-weight:700;color:#e2e8f0}.modal-controls-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;background:#0f172acc;padding:14px;border-radius:8px;border:1px solid rgba(255,255,255,.08)}.ctrl-box{display:flex;flex-direction:column;gap:4px}.ctrl-keys{font-family:var(--font-mono);font-weight:700;font-size:12px;color:var(--cyan-bright)}.ctrl-action{font-size:11px;color:#94a3b8}.modal-actions{display:flex;gap:14px;justify-content:center}.action-btn{font-family:var(--font-mono);font-size:14px;font-weight:700;padding:14px 28px;border-radius:8px;cursor:pointer;letter-spacing:1px;transition:all .2s ease;border:none}.primary-btn{background:linear-gradient(135deg,#06b6d4,#0284c7);color:#fff;box-shadow:0 4px 15px #06b6d466}.primary-btn:hover{background:linear-gradient(135deg,#22d3ee,#0369a1);box-shadow:0 6px 20px #06b6d499;transform:translateY(-2px)}.secondary-btn{background:#1e293bcc;border:1px solid rgba(56,189,248,.4);color:#e2e8f0}.secondary-btn:hover{background:#38bdf833;border-color:var(--cyan-bright)}.game-over-card{max-width:560px;text-align:center}.modal-title{font-size:28px;font-weight:900;letter-spacing:2px}.modal-title.victory{color:#10b981;text-shadow:0 0 15px rgba(16,185,129,.6)}.modal-title.defeat{color:#ef4444;text-shadow:0 0 15px rgba(239,68,68,.6)}.modal-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:12px 0}.modal-stat-card{background:#1e293bb3;border:1px solid rgba(255,255,255,.1);padding:12px;border-radius:8px;display:flex;flex-direction:column;gap:4px}.modal-stat-card .label{font-size:11px;color:#94a3b8;text-transform:uppercase}.modal-stat-card .value{font-family:var(--font-mono);font-size:16px;font-weight:700;color:#fff}@media(max-width:768px){#hud-overlay{padding:10px}.controls-guide{display:none}.player-status{min-width:180px}.enemy-boss-status{min-width:220px}}