@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap";:root{--bg-primary: #060a14;--bg-secondary: #0c1222;--bg-card: rgba(15,23,42,.7);--bg-glass: rgba(15,23,42,.5);--border-glass: rgba(100,200,255,.08);--accent: #00d4aa;--accent-glow: rgba(0,212,170,.3);--accent-dim: rgba(0,212,170,.1);--red: #ff4757;--red-glow: rgba(255,71,87,.3);--gold: #ffd700;--gold-glow: rgba(255,215,0,.25);--blue: #3b82f6;--purple: #8b5cf6;--orange: #f59e0b;--cyan: #06b6d4;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #475569;--font-ui: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 12px;--radius-sm: 8px;--radius-xs: 4px;--shadow: 0 8px 32px rgba(0,0,0,.4);--shadow-glow: 0 0 30px 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var(--border-glass);color:var(--text-primary);z-index:1000;opacity:0;transition:all .3s ease;box-shadow:var(--shadow)}.toast-visible{opacity:1;transform:translate(-50%) translateY(0)}.toast-success{border-color:var(--accent)}.toast-error{border-color:var(--red)}.empty-state{text-align:center;padding:4rem 2rem;background:var(--bg-glass);border-radius:var(--radius);border:1px dashed var(--border-glass);color:var(--text-secondary)}.empty-state .empty-icon{font-size:3rem;margin-bottom:1rem;opacity:.7;filter:drop-shadow(0 0 10px rgba(255,255,255,.1))}.empty-state h3{font-size:1rem;font-weight:500;line-height:1.5}.app-footer{margin-top:2rem;text-align:center;font-size:.75rem;color:var(--text-muted);padding:1.5rem 0;border-top:1px solid var(--border-glass)}.range-editor.custom-mode{border:1px solid var(--gold);box-shadow:0 0 15px var(--gold-glow)}.range-nav{background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:var(--radius);padding:1.2rem;margin-bottom:1rem}.range-nav-section{margin-bottom:.8rem}.range-nav-section:last-child{margin-bottom:0}.range-nav-section .control-label{font-size:.7rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:.4rem}.range-nav-section .btn-group{gap:.3rem;flex-wrap:wrap}.range-nav-section .action-group{gap:.25rem}.range-nav-section .action-btn{font-size:.7rem;padding:.35rem .6rem;white-space:nowrap}.range-path{margin-top:.6rem;padding:.5rem .8rem;background:var(--bg-secondary);border-radius:var(--radius-xs);font-size:.75rem;font-family:var(--font-mono);color:var(--accent);display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}.range-path .path-sep{color:var(--text-muted)}.range-path .path-item{color:var(--text-primary)}.range-path .path-current{color:var(--accent);font-weight:600}.sit-btn{border-color:#ffd70026!important}.sit-btn.active{background:#ffd70026!important;border-color:var(--gold)!important;color:var(--gold)!important;box-shadow:0 0 12px var(--gold-glow)}.action-icon{margin-right:2px}@media (max-width: 900px){.ranges-section,.stats-hands-section{grid-template-columns:1fr}.range-cell{font-size:.45rem}.range-grid{gap:0}}@media (max-width: 600px){.app-header{flex-direction:column;gap:.8rem;text-align:center}.controls-bar{grid-template-columns:1fr}.sim-row{flex-direction:column}#simulate-btn,#stop-btn{width:100%}}