*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #8b5cf6;--color-accent: #f59e0b;--color-accent-hover: #d97706;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--bg-hover: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-color-hover: #cbd5e1;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-glow: 0 0 40px rgba(99, 102, 241, .15);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-size-5xl: 3.5rem;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-modal: 200;--z-tooltip: 300;--cell-orange: #fed7aa;--cell-pink: #fbcfe8;--cell-blue: #bfdbfe;--cell-purple: #ddd6fe;--cell-green: #bbf7d0;--cell-yellow: #fef08a;--cell-default: #f1f5f9}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-hover: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-tertiary: #64748b;--border-color: 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64px);color:var(--text-secondary)}.confetti-container{position:fixed;inset:0;pointer-events:none;z-index:100;overflow:hidden}.confetti-piece{position:absolute;width:10px;height:10px;top:-20px;animation:confettiFall linear forwards}@keyframes confettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}.win-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:150;animation:fadeIn .3s ease}.win-content{background:var(--bg-card);border-radius:var(--radius-2xl);padding:var(--space-3xl);text-align:center;box-shadow:var(--shadow-xl),var(--shadow-glow)}.win-title{font-size:var(--font-size-4xl);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-xl)}.win-actions{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}.play-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);margin-bottom:var(--space-lg);flex-wrap:wrap}.play-header-left{display:flex;align-items:center;gap:var(--space-lg);flex-wrap:wrap}.play-title{font-size:var(--font-size-2xl);font-weight:600}.play-header-right{display:flex;gap:var(--space-sm);flex-wrap:wrap}.multiplayer-badge{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);background:#6366f11a;border:1px solid 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var(--transition-fast);font-size:clamp(10px,2vw,14px);font-weight:500;text-align:center;overflow:hidden;color:var(--text-primary)}.play-cell:hover{transform:scale(1.03);border-color:var(--color-primary)}.play-cell:active{transform:scale(.97)}.play-cell.marked{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary))!important;border-color:var(--color-primary);color:#fff}.play-cell.winning{box-shadow:0 0 20px var(--color-primary);border-color:var(--color-accent)}.play-cell.free-space{background:var(--cell-yellow)!important}.play-cell.free-space.marked{background:linear-gradient(135deg,#f59e0b,#d97706)!important}.play-cell-text{line-height:1.2;word-break:break-word;z-index:1}.cell-marker{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0000001a}.cell-marker 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1fr;gap:var(--space-sm)}.sidebar-stat{text-align:center;padding:var(--space-md);background:var(--bg-tertiary);border-radius:var(--radius-lg)}.sidebar-stat.highlight{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary))}.sidebar-stat.highlight .stat-value,.sidebar-stat.highlight .stat-label{color:#fff}.stat-value{display:block;font-size:var(--font-size-2xl);font-weight:700;color:var(--text-primary)}.stat-label{font-size:var(--font-size-xs);color:var(--text-tertiary)}.connection-dot{width:8px;height:8px;border-radius:50%;background:var(--color-error);transition:background var(--transition-base)}.connection-dot.connected{background:var(--color-success);animation:pulse 2s infinite}.toast{position:fixed;bottom:var(--space-xl);left:50%;transform:translate(-50%);display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);background:var(--color-success);color:#fff;border-radius:var(--radius-full);font-weight:500;box-shadow:var(--shadow-lg);z-index:200}.play-cell.animate-line{animation:lineComplete .6s ease}@keyframes lineComplete{0%{transform:scale(1);box-shadow:none}50%{transform:scale(1.15);box-shadow:0 0 30px var(--color-primary)}to{transform:scale(1);box-shadow:0 0 20px var(--color-primary)}}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--space-xl);width:90%;max-width:400px;animation:slideUp .2s ease}.modal-title{font-size:var(--font-size-xl);margin-bottom:var(--space-lg)}.modal-actions{display:flex;gap:var(--space-md);justify-content:flex-end;margin-top:var(--space-lg)}.loading-spinner-small{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:968px){.play-layout.with-sidebar{grid-template-columns:1fr}.play-sidebar{position:static;order:-1;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md)}.sidebar-card{padding:var(--space-md)}}@media(max-width:768px){.play-header{flex-direction:column;align-items:flex-start}.play-header-right{width:100%}.play-header-right .btn{flex:1;justify-content:center}.play-board{padding:var(--space-sm);gap:6px}.play-cell{border-width:2px;border-radius:var(--radius-md)}.progress-value{font-size:var(--font-size-xl)}.win-content{margin:var(--space-lg);padding:var(--space-xl)}.win-title{font-size:var(--font-size-2xl)}.play-sidebar{grid-template-columns:1fr}}@media(max-width:480px){.play-cell{padding:2px;font-size:9px}.cell-marker svg{width:30%;height:30%}}