:root{--bg-primary:#07070f;--bg-secondary:#0d0d1a;--bg-card:#0f0f1ed9;--bg-card-hover:#141428f2;--bg-glass:#ffffff08;--bg-glass-border:#ffffff0f;--text-primary:#e8e8f0;--text-secondary:#8888a8;--text-muted:#555570;--accent-1:#ff6b6b;--accent-2:#4ecdc4;--accent-glow:#6c5ce7;--border-subtle:#ffffff0f;--border-active:#ffffff26;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display:"Outfit", "Inter", sans-serif;--shadow-card:0 4px 24px #0006, 0 1px 4px #0000004d;--shadow-glow:0 0 40px #6c5ce726;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{width:100%;height:100%;position:relative}.lobby-screen{background:radial-gradient(ellipse at 20% 50%, #ff6b6b0f 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, #4ecdc40f 0%, transparent 50%), var(--bg-primary);flex-direction:column;align-items:center;width:100%;height:100%;display:flex;position:relative;overflow:auto}.lobby-bg-effects{pointer-events:none;z-index:0;position:absolute;inset:0}.floating-dot{opacity:.15;filter:blur(1px);border-radius:50%;width:6px;height:6px;position:absolute}.lobby-content{z-index:1;width:100%;max-width:520px;padding:80px var(--space-xl) var(--space-2xl);align-items:center;gap:var(--space-xl);flex-direction:column;margin:auto 0;display:flex;position:relative}.lobby-header{text-align:center;align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.logo-dots{margin-bottom:var(--space-sm);grid-template-columns:1fr 1fr;gap:8px;display:grid}.logo-dot{border-radius:50%;width:16px;height:16px;box-shadow:0 0 12px}.lobby-title{font-family:var(--font-display);letter-spacing:.2em;background:linear-gradient(135deg, var(--accent-1), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:4rem;font-weight:800;line-height:1}.lobby-subtitle{color:var(--text-secondary);letter-spacing:.15em;text-transform:uppercase;font-size:.9rem;font-weight:500}.lobby-players{align-items:center;gap:var(--space-md);flex-direction:column;width:100%;display:flex}.player-input-group{align-items:center;gap:var(--space-md);width:100%;padding:var(--space-md) var(--space-lg);background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:border-color var(--transition-normal);display:flex}.player-input-group:hover{border-color:var(--border-active)}.input-dot{border-radius:50%;flex-shrink:0;width:12px;height:12px;box-shadow:0 0 8px}.player-name-input{font-family:var(--font-body);color:var(--text-primary);padding:var(--space-sm) 0;background:0 0;border:none;outline:none;flex:1;font-size:1rem;font-weight:500}.player-name-input::placeholder{color:var(--text-muted)}.vs-divider{align-items:center;gap:var(--space-md);color:var(--text-muted);font-family:var(--font-display);letter-spacing:.2em;font-size:.8rem;font-weight:700;display:flex}.vs-divider:before,.vs-divider:after{content:"";background:var(--border-subtle);width:60px;height:1px}.grid-selection{width:100%}.section-label{text-transform:uppercase;letter-spacing:.15em;color:var(--text-secondary);margin-bottom:var(--space-md);font-size:.75rem;font-weight:600}.grid-presets{gap:var(--space-sm);grid-template-columns:repeat(4,1fr);display:grid}.grid-preset-btn{padding:var(--space-md) var(--space-sm);background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:all var(--transition-normal);font-family:var(--font-body);flex-direction:column;align-items:center;gap:2px;display:flex}.grid-preset-btn:hover{border-color:var(--border-active);background:var(--bg-card-hover)}.grid-preset-btn.selected{border-color:var(--accent-2);color:var(--text-primary);background:#4ecdc414}.preset-size{font-size:.95rem;font-weight:700;font-family:var(--font-display)}.preset-desc{text-transform:uppercase;letter-spacing:.1em;opacity:.6;font-size:.65rem}.how-to-play{width:100%}.rules-summary-card{align-items:center;gap:var(--space-lg);padding:var(--space-md) var(--space-xl);background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex}.rules-summary-icons{gap:var(--space-sm);flex-shrink:0;display:flex}.rules-summary-icons .rule-icon{color:var(--accent-2);width:auto;font-size:1.1rem}.rules-summary-card p{color:var(--text-secondary);margin:0;font-size:.85rem;line-height:1.4}@media (width<=480px){.rules-summary-card{gap:var(--space-sm);text-align:center;padding:var(--space-md);flex-direction:column}}.btn{font-family:var(--font-display);cursor:pointer;transition:all var(--transition-normal);border:none;outline:none;font-weight:700}.btn-start{width:100%;padding:var(--space-lg) var(--space-xl);letter-spacing:.1em;text-transform:uppercase;color:var(--bg-primary);background:linear-gradient(135deg, var(--accent-2), #45b7aa);border-radius:var(--radius-lg);font-size:1.1rem;box-shadow:0 4px 24px #4ecdc440}.btn-start:hover{box-shadow:0 8px 40px #4ecdc459}.game-page{background:var(--bg-primary);width:100%;height:100%;display:flex;position:relative}.game-board-area{background:radial-gradient(circle at center, #6c5ce708 0%, transparent 60%), var(--bg-primary);margin:var(--space-md);border-radius:var(--radius-xl);border:1px solid #ffffff14;flex:1;position:relative;overflow:hidden;box-shadow:0 0 0 1px #ffffff05,0 10px 40px #00000080,inset 0 0 80px #6c5ce70d}.game-board-container{width:100%;height:100%}.game-sidebar{background:var(--bg-secondary);border-left:1px solid var(--border-subtle);width:280px;height:100%;padding:var(--space-lg);gap:var(--space-lg);flex-direction:column;display:flex;overflow-y:auto}.sidebar-header{text-align:center;padding-bottom:var(--space-md);border-bottom:1px solid var(--border-subtle)}.sidebar-title{font-family:var(--font-display);letter-spacing:.15em;background:linear-gradient(135deg, var(--accent-1), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.4rem;font-weight:800}.player-hud{gap:var(--space-md);flex-direction:column;display:flex}.player-card{padding:var(--space-md) var(--space-lg);background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all var(--transition-normal);flex-direction:column;justify-content:space-between;min-height:125px;display:flex}.player-card.active{box-shadow:0 0 20px var(--player-glow)}.player-indicator-row{align-items:center;gap:var(--space-md);margin-bottom:var(--space-sm);display:flex}.player-dot{border-radius:50%;flex-shrink:0;width:14px;height:14px}.player-info{flex-direction:column;gap:2px;min-width:0;display:flex}.player-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:600;overflow:hidden}.turn-badge{letter-spacing:.1em;border-radius:var(--radius-full);text-transform:uppercase;width:fit-content;padding:2px 8px;font-size:.6rem;font-weight:800;display:inline-block}.player-turn-info{height:25px}.player-score-section{align-items:baseline;gap:var(--space-sm);display:flex}.player-score{font-family:var(--font-display);font-size:2rem;font-weight:800;line-height:1}.score-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem}.move-counter{align-items:baseline;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);display:flex}.move-count{font-family:var(--font-display);color:var(--text-primary);font-size:1.4rem;font-weight:700}.move-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.game-controls{gap:var(--space-sm);flex-direction:column;display:flex}.control-btn{align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-body);cursor:pointer;transition:all var(--transition-normal);font-size:.85rem;font-weight:500;display:flex}.control-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-active)}.control-btn:disabled{opacity:.3;cursor:not-allowed}.control-btn:disabled:hover{background:var(--bg-glass);color:var(--text-secondary);border-color:var(--bg-glass-border)}.reset-btn:hover{color:var(--accent-1);border-color:#ff6b6b4d}.sidebar-footer{padding-top:var(--space-md);border-top:1px solid var(--border-subtle);margin-top:auto}.sidebar-hint{color:var(--text-muted);text-align:center;font-size:.7rem;line-height:1.6}.game-over-overlay{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#07070fd9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.game-over-card{width:100%;max-width:420px;padding:var(--space-2xl) var(--space-xl);background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-xl);text-align:center;align-items:center;gap:var(--space-lg);box-shadow:var(--shadow-card), var(--shadow-glow);flex-direction:column;display:flex;position:relative;overflow:hidden}.victory-glow{pointer-events:none;z-index:0;position:absolute;inset:-50%}.trophy-icon{z-index:1;position:relative}.game-over-title{z-index:1;font-family:var(--font-display);letter-spacing:.05em;color:var(--text-primary);font-size:2.4rem;font-weight:800;position:relative}.winner-name{z-index:1;font-family:var(--font-display);font-size:1.2rem;font-weight:600;position:relative}.draw-text{color:var(--text-secondary)}.final-scores{z-index:1;gap:var(--space-sm);flex-direction:column;width:100%;display:flex;position:relative}.final-score-item{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);display:flex}.final-score-dot{border-radius:50%;flex-shrink:0;width:12px;height:12px}.final-score-name{color:var(--text-secondary);text-align:left;flex:1;font-size:.9rem}.final-score-value{font-family:var(--font-display);font-size:1.6rem;font-weight:800}.game-over-actions{z-index:1;gap:var(--space-sm);flex-direction:column;width:100%;display:flex;position:relative}.btn-primary{width:100%;padding:var(--space-md) var(--space-lg);letter-spacing:.05em;text-transform:uppercase;color:var(--bg-primary);background:linear-gradient(135deg, var(--accent-2), #45b7aa);border-radius:var(--radius-md);font-size:.95rem;box-shadow:0 4px 16px #4ecdc433}.btn-secondary{width:100%;padding:var(--space-md) var(--space-lg);letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);font-size:.85rem}.btn-secondary:hover{background:var(--bg-card-hover);color:var(--text-primary)}.home-page{background:var(--bg-primary);width:100%;height:100%;position:relative;overflow:hidden auto}.home-bg{pointer-events:none;z-index:0;position:fixed;inset:0}.home-gradient-orb{filter:blur(80px);opacity:.4;border-radius:50%;position:absolute}.home-orb-1{background:radial-gradient(circle,#ff6b6b1f 0%,#0000 70%);width:500px;height:500px;top:-15%;left:-10%}.home-orb-2{background:radial-gradient(circle,#4ecdc41f 0%,#0000 70%);width:400px;height:400px;bottom:-10%;right:-5%}.home-orb-3{background:radial-gradient(circle,#6c5ce714 0%,#0000 70%);width:300px;height:300px;top:40%;left:50%;transform:translate(-50%)}.home-content{z-index:1;max-width:960px;padding:var(--space-2xl) var(--space-xl) var(--space-xl);align-items:center;gap:var(--space-2xl);flex-direction:column;min-height:100%;margin:0 auto;display:flex;position:relative}.home-header{text-align:center;align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.home-logo{align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.home-logo-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.home-logo-dot{border-radius:50%;width:12px;height:12px;box-shadow:0 0 10px}.home-title{font-family:var(--font-display);letter-spacing:.15em;background:linear-gradient(135deg,#ff6b6b,#a78bfa,#4ecdc4) 0 0/200% 200%;-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2.6rem;font-weight:800;line-height:1;animation:6s infinite gradient-shift}@keyframes gradient-shift{0%,to{background-position:0%}50%{background-position:100%}}.home-subtitle{color:var(--text-secondary);font-size:1rem;font-weight:400}.games-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));width:100%;display:grid}.game-card{gap:var(--space-md);padding:var(--space-xl);background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);flex-direction:column;display:flex;position:relative;overflow:hidden}.game-card:not(.coming-soon):hover{border-color:var(--card-accent,var(--border-active));box-shadow:0 8px 32px #0000004d, 0 0 24px color-mix(in srgb, var(--card-accent) 15%, transparent)}.game-card.coming-soon{opacity:.5}.game-card-glow{pointer-events:none;z-index:0;position:absolute;inset:0}.game-card-header{z-index:1;justify-content:space-between;align-items:flex-start;display:flex;position:relative}.game-card-icon{background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);justify-content:center;align-items:center;width:56px;height:56px;display:flex}.game-card-meta{align-items:flex-end;gap:var(--space-xs);flex-direction:column;display:flex}.game-card-players{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);font-size:.7rem;font-weight:600}.game-card-badge{text-transform:uppercase;letter-spacing:.08em;border-radius:var(--radius-full);color:var(--text-muted);border:1px solid var(--bg-glass-border);background:#ffffff0d;padding:3px 8px;font-size:.6rem;font-weight:700}.game-card-body{z-index:1;gap:var(--space-xs);flex-direction:column;display:flex;position:relative}.game-card-title{font-family:var(--font-display);color:var(--text-primary);letter-spacing:.02em;font-size:1.5rem;font-weight:800}.game-card-subtitle{text-transform:uppercase;letter-spacing:.1em;color:var(--card-accent,var(--text-secondary));opacity:.8;font-size:.8rem;font-weight:600}.game-card-desc{color:var(--text-secondary);margin-top:var(--space-xs);font-size:.85rem;line-height:1.55}.game-card-action{z-index:1;margin-top:var(--space-sm);position:relative}.game-card-play-btn{padding:var(--space-sm) var(--space-lg);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;color:var(--bg-primary);border-radius:var(--radius-md);transition:box-shadow var(--transition-normal);font-size:.8rem;font-weight:700;display:inline-block;box-shadow:0 2px 12px #0003}.game-card:not(.coming-soon):hover .game-card-play-btn{box-shadow:0 4px 20px color-mix(in srgb, var(--card-accent) 35%, transparent)}.lobby-back-link{top:var(--space-lg);left:var(--space-xl);z-index:10;align-items:center;gap:var(--space-sm);color:var(--text-secondary);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:all var(--transition-normal);font-size:.85rem;font-weight:500;text-decoration:none;display:flex;position:absolute}.lobby-back-link:hover{color:var(--text-primary);background:var(--bg-glass)}.home-footer{padding-top:var(--space-lg);border-top:1px solid var(--border-subtle);text-align:center;width:100%}.home-footer p{color:var(--text-muted);font-size:.8rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff26}@media (width<=768px){.game-page{flex-direction:column}.game-sidebar{border-left:none;border-top:1px solid var(--border-subtle);width:100%;height:auto;padding:var(--space-md);gap:var(--space-sm);flex-direction:column}.sidebar-header{display:none}.player-hud{gap:var(--space-sm);grid-template-columns:1fr 1fr;width:100%;display:grid}.player-card{padding:var(--space-sm) var(--space-md)}.move-counter{grid-column:1/-1;justify-content:center}.game-controls{gap:var(--space-sm);flex-direction:row;width:100%}.game-controls .control-btn{flex:1}.sidebar-footer{display:none}.lobby-title{font-size:2.8rem}.grid-presets{grid-template-columns:repeat(2,1fr)}.home-title{font-size:1.8rem}.games-grid{grid-template-columns:1fr}.home-content{padding:var(--space-xl) var(--space-md)}}.mode-select-grid{gap:var(--space-lg);width:100%;max-width:700px;margin-top:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.mode-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;cursor:pointer;transition:all var(--transition-normal);color:var(--text-primary);outline:none;flex-direction:column;align-items:center;display:flex}.mode-card:focus-visible,.mode-card:hover{background:var(--bg-card-hover);border-color:#ffffff26;box-shadow:0 10px 30px #0003}.mode-card-icon{width:80px;height:80px;margin-bottom:var(--space-lg);background:#ffffff08;border-radius:50%;justify-content:center;align-items:center;display:flex}.mode-card-title{font-family:var(--font-heading);margin:0 0 var(--space-sm);letter-spacing:.02em;font-size:1.5rem;font-weight:700}.mode-card-desc{color:var(--text-secondary);margin:0;font-size:.95rem;line-height:1.5}.online-tabs{border-radius:var(--radius-md);margin-bottom:var(--space-xl);background:#0000004d;width:100%;padding:4px;display:flex}.online-tab{color:var(--text-secondary);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex:1;font-size:.95rem;font-weight:600;transition:all .2s}.online-tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:0 2px 10px #0003}.online-tab-content{gap:var(--space-xl);flex-direction:column;width:100%;display:flex}.room-code-input-group{gap:var(--space-sm);flex-direction:column;display:flex}.room-code-input{border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-lg);font-size:1.5rem;font-family:var(--font-mono);color:var(--text-primary);text-align:center;letter-spacing:.2em;text-transform:uppercase;background:#0003;outline:none;font-weight:700;transition:all .2s}.room-code-input:focus{border-color:#4ecdc4;box-shadow:0 0 0 2px #4ecdc433}.room-code-input::placeholder{color:#ffffff1a}.waiting-spinner{margin-bottom:var(--space-xl);justify-content:center;display:flex}.waiting-title{font-family:var(--font-heading);margin:0 0 var(--space-sm);text-align:center;font-size:1.8rem}.waiting-subtitle{color:var(--text-secondary);text-align:center;margin:0 0 var(--space-2xl)}.room-code-display-group{border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-xl);background:#0000004d;align-items:center;display:flex}.room-code-display{color:var(--text-primary);font-size:1.5rem;font-family:var(--font-mono);letter-spacing:.15em;text-align:center;background:0 0;border:none;outline:none;width:100%;font-weight:700}.copy-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);width:48px;height:48px;color:var(--text-secondary);cursor:pointer;background:#ffffff0d;justify-content:center;align-items:center;transition:all .2s;display:flex}.copy-btn:hover{color:var(--text-primary);background:#ffffff1a}.waiting-cancel-btn{width:auto;min-width:160px;margin:0 auto}.online-error{color:#ff6b6b;padding:var(--space-md);border-radius:var(--radius-sm);text-align:center;width:100%;margin-bottom:var(--space-lg);cursor:pointer;background:#ff6b6b26;border:1px solid #ff6b6b4d;font-weight:500}.online-status-banner{margin:0 var(--space-md) var(--space-md);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);text-align:center;font-size:.9rem;font-weight:500}.online-status-banner.warning{color:#fbbf24;background:#fbbf2426;border:1px solid #fbbf244d}.online-status-banner.error{color:#ff6b6b;background:#ff6b6b26;border:1px solid #ff6b6b4d}.sidebar-room-code{font-family:var(--font-mono);color:var(--text-secondary);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);margin-top:var(--space-xs);background:#0000004d;padding:4px 8px;font-size:.85rem}.sidebar-room-code span{color:var(--text-primary);letter-spacing:.05em;font-weight:700}