:root{--font-main:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-heading:'Outfit',-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:'JetBrains Mono',monospace;--space-bg:#05070e;--space-surface:#0b0f1a;--space-surface-2:#131b2e;--space-border:#1e293b;--space-border-glow:#38bdf840;--neon-cyan:#38bdf8;--neon-blue:#3b82f6;--neon-yellow:#facc15;--neon-red:#ef4444;--neon-purple:#c084fc;--neon-green:#10b981;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px}[data-theme="light"]{--space-bg:#f8fafc;--space-surface:#ffffff;--space-surface-2:#f1f5f9;--space-border:#e2e8f0;--space-border-glow:#0284c730;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8}*,*::before,*::after{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--font-main);background-color:var(--space-bg);color:var(--text-primary);line-height:1.5;overflow-x:clip;width:100%;max-width:100%;min-height:100vh}body{display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6,.brand-title,.section-title,.hero-title,.faq-section-title{font-family:var(--font-heading);letter-spacing:-0.02em}.text-mono,.mono,code,pre,kbd{font-family:var(--font-mono)}button,input,select,textarea{font-family:inherit}.tool-layout{max-width:1200px;margin:1.5rem auto 3rem;padding:0 1rem;box-sizing:border-box;flex:1 0 auto;width:100%}.tool-with-sidebar{display:flex;gap:2rem;align-items:flex-start;width:100%}.tool-main-content{flex:1 1 0%;min-width:0;width:100%}.game-viewport-card{position:relative;background:radial-gradient(circle at 50% 35%,#0f172a 0%,#04060c 100%);border:1px solid var(--space-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 16px 42px rgba(0,0,0,0.6),0 0 0 1px rgba(56,189,248,0.18);display:flex;flex-direction:column;transition:box-shadow .2s ease}.game-viewport-card.is-hit-flash{box-shadow:0 0 45px rgba(239,68,68,0.75),inset 0 0 35px rgba(239,68,68,0.45)}#galaga-canvas-container{width:100%;height:clamp(520px,68vh,760px);position:relative;cursor:crosshair;touch-action:none;user-select:none}@media (min-width:1024px){#galaga-canvas-container{height:clamp(680px,76vh,900px)}}@media (min-width:1400px){#galaga-canvas-container{height:clamp(740px,80vh,960px)}}#galaga-canvas-container canvas{display:block;width:100%!important;height:100%!important}.game-hud-top{position:absolute;top:0;left:0;right:0;z-index:12;display:flex;justify-content:space-between;align-items:center;padding:.85rem 1.25rem;background:linear-gradient(180deg,rgba(4,6,12,0.9) 0%,rgba(4,6,12,0) 100%);pointer-events:none}.hud-score-block{display:flex;flex-direction:column}.hud-label{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--neon-cyan)}.hud-score-value{font-size:1.5rem;font-weight:800;color:#ffffff;text-shadow:0 0 12px rgba(56,189,248,0.65);line-height:1.1}.hud-score-value.is-high{color:var(--neon-yellow);text-shadow:0 0 12px rgba(250,204,21,0.65)}.hud-center-pill{display:flex;align-items:center;gap:.5rem;background:rgba(15,23,42,0.82);backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,0.28);padding:.35rem .85rem;border-radius:var(--radius-full);box-shadow:0 4px 16px rgba(0,0,0,0.4)}.hud-badge{font-size:.75rem;font-weight:600;color:var(--neon-cyan)}.hud-stage-badge{background:var(--neon-cyan);color:#04060c;font-size:.72rem;font-weight:800;padding:.15rem .55rem;border-radius:var(--radius-sm)}.hud-combo-badge{background:linear-gradient(135deg,#f59e0b,#ef4444);color:#ffffff;font-size:.72rem;font-weight:800;padding:.15rem .55rem;border-radius:var(--radius-sm);box-shadow:0 0 10px rgba(245,158,11,0.55);animation:hudPulse .4s infinite alternate}.hud-challenging-badge{background:var(--neon-purple);color:#04060c;font-size:.72rem;font-weight:800;padding:.15rem .55rem;border-radius:var(--radius-sm)}@keyframes hudPulse{0%{transform:scale(1)}100%{transform:scale(1.08)}}.hud-floating-layer{position:absolute;inset:0;z-index:11;pointer-events:none;overflow:hidden}.hud-float-item{position:absolute;transform:translate(-50%,-50%);font-family:var(--font-mono);font-weight:800;font-size:.95rem;text-shadow:0 0 10px currentColor,0 2px 4px rgba(0,0,0,0.9);white-space:nowrap;pointer-events:none;will-change:transform,opacity}.game-hud-bottom{position:absolute;bottom:0;left:0;right:0;z-index:12;display:flex;justify-content:space-between;align-items:flex-end;padding:.85rem 1.25rem;background:linear-gradient(0deg,rgba(4,6,12,0.9) 0%,rgba(4,6,12,0) 100%);pointer-events:none}.hud-lives-wrap{display:flex;align-items:center;gap:.45rem}.hud-life-ship{display:inline-flex;filter:drop-shadow(0 0 6px var(--neon-cyan))}.hud-stats-pill{display:flex;align-items:center;gap:.6rem;font-size:.82rem;color:var(--text-secondary)}.hud-dual-tag{background:rgba(16,185,129,0.2);border:1px solid var(--neon-green);color:var(--neon-green);font-weight:800;font-size:.72rem;padding:.15rem .55rem;border-radius:var(--radius-full);box-shadow:0 0 10px rgba(16,185,129,0.35)}.hud-status-banner{position:absolute;top:44%;left:50%;transform:translate(-50%,-50%) scale(0.9);z-index:20;background:rgba(11,15,26,0.92);border:2px solid var(--neon-cyan);box-shadow:0 0 36px rgba(56,189,248,0.5),inset 0 0 18px rgba(56,189,248,0.2);padding:1.25rem 2.5rem;border-radius:var(--radius-md);text-align:center;opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease}.hud-status-banner.is-visible{opacity:1;transform:translate(-50%,-50%) scale(1)}.hud-status-text{font-family:var(--font-heading);font-size:1.65rem;font-weight:900;color:#ffffff;letter-spacing:.05em;text-shadow:0 0 14px var(--neon-cyan)}.hud-status-sub{font-family:var(--font-mono);font-size:.88rem;font-weight:700;color:var(--neon-yellow);margin-top:.35rem;letter-spacing:.04em}.game-controls-deck{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;background:var(--space-surface);border:1px solid var(--space-border);border-radius:var(--radius-md);padding:.85rem 1.25rem;margin-top:1rem}.deck-group{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.deck-title{font-size:.8rem;font-weight:600;color:var(--text-muted);margin-right:.2rem}.btn-deck-sm{min-height:40px;padding:0 .85rem;font-size:.82rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid var(--space-border);background:var(--space-surface-2);color:var(--text-primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;transition:all .18s ease}.btn-deck-sm:hover{border-color:var(--neon-cyan);background:rgba(56,189,248,0.12);color:var(--neon-cyan)}.btn-deck-sm.is-active{background:var(--neon-cyan);border-color:var(--neon-cyan);color:#060810;box-shadow:0 0 12px rgba(56,189,248,0.4)}.btn-deck-primary{background:linear-gradient(135deg,var(--neon-blue) 0%,var(--neon-cyan) 100%);border-color:transparent;color:#ffffff;font-weight:700}.btn-deck-primary:hover{filter:brightness(1.15);box-shadow:0 0 16px rgba(56,189,248,0.5)}.mobile-touch-deck{display:none;margin-top:.85rem;gap:.85rem;align-items:center}@media (max-width:900px){.mobile-touch-deck{display:flex}}.touch-slider-track{flex:1;min-height:52px;background:var(--space-surface-2);border:1px solid var(--space-border);border-radius:var(--radius-md);position:relative;display:flex;align-items:center;justify-content:center;user-select:none;touch-action:none}.touch-slider-label{font-size:.8rem;font-weight:600;color:var(--text-muted);pointer-events:none}.btn-touch-fire{min-width:96px;min-height:52px;background:linear-gradient(135deg,var(--neon-red) 0%,#f97316 100%);border:none;border-radius:var(--radius-md);color:#ffffff;font-size:.98rem;font-weight:800;cursor:pointer;box-shadow:0 4px 16px rgba(239,68,68,0.45);user-select:none;touch-action:none}.btn-touch-fire:active{transform:scale(0.96);filter:brightness(1.2)}.galaga-modal-overlay{position:fixed;inset:0;background:rgba(4,6,12,0.8);backdrop-filter:blur(6px);z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;pointer-events:none;transition:opacity .25s ease}.galaga-modal-overlay.is-open{opacity:1;pointer-events:auto}.galaga-modal-card{background:var(--space-surface);border:1px solid var(--space-border);box-shadow:0 20px 45px rgba(0,0,0,0.65),0 0 0 1px var(--space-border-glow);border-radius:var(--radius-lg);max-width:500px;width:100%;padding:1.5rem;position:relative;max-height:90vh;overflow-y:auto}.galaga-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--space-border)}.galaga-modal-title{font-size:1.2rem;font-weight:700;color:#ffffff;margin:0}.galaga-modal-close{background:transparent;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;line-height:1;padding:.2rem}.galaga-modal-close:hover{color:#ffffff}.galaga-form-group{margin-bottom:1rem}.galaga-form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:.4rem}.galaga-select{width:100%;max-width:100%;min-width:0;min-height:42px;background:var(--space-surface-2);border:1px solid var(--space-border);color:var(--text-primary);border-radius:var(--radius-sm);padding:0 40px 0 .85rem;font-size:.88rem;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer}.stats-grid-modal{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem;margin:1.25rem 0}.stats-box-item{background:var(--space-surface-2);border:1px solid var(--space-border);border-radius:var(--radius-sm);padding:.85rem;text-align:center}.stats-box-val{font-size:1.5rem;font-weight:800;color:var(--neon-cyan)}.stats-box-lbl{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase}.seo-game-guide{margin-top:2.5rem;background:var(--space-surface);border:1px solid var(--space-border);border-radius:var(--radius-lg);padding:2rem}.seo-guide-title{font-size:1.5rem;font-weight:800;color:#ffffff;margin-top:0;margin-bottom:1rem}.seo-guide-text{font-size:.95rem;color:var(--text-secondary);line-height:1.7;margin-bottom:1.25rem}