:root{--bg:#0F0A1A;--bg-card:#1a1230;--bg-input:#221940;--border:#352b52;--text:#e8e4f0;--text-sec:#a098b8;--text-muted:#6e6490;--primary:#8B5CF6;--secondary:#A78BFA;--accent:#F472B6;--primary-bg:rgba(139,92,246,0.1);--accent-bg:rgba(244,114,182,0.1);--green:#4ade80;--radius:16px;--radius-sm:8px;--font:'Inter',-apple-system,sans-serif;--transition:200ms ease}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}
.header{background:rgba(15,10,26,0.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:800px;margin:0 auto;padding:.55rem 1rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.3rem}
.logo{display:flex;align-items:center;gap:.35rem}.logo-icon{font-size:1.1rem}.logo-text{font-size:.95rem;font-weight:800;color:var(--primary)}
.header-actions{display:flex;gap:.25rem}
.btn{display:inline-flex;align-items:center;gap:.2rem;padding:.38rem .7rem;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:.78rem;font-weight:600;cursor:pointer;transition:all var(--transition)}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{filter:brightness(1.15)}
.btn-ghost{background:transparent;color:var(--text-sec);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-input)}
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(120%);background:var(--bg-card);color:var(--text);padding:.5rem .8rem;border-radius:var(--radius);border:1px solid var(--border);font-size:.78rem;z-index:1000;opacity:0;transition:all 300ms ease}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.winner-banner{position:fixed;top:60px;left:0;right:0;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;text-align:center;padding:.5rem;font-size:1.1rem;font-weight:800;z-index:99;animation:pulse 0.6s ease infinite alternate}
@keyframes pulse{from{opacity:.8}to{opacity:1}}
.main{max-width:800px;margin:0 auto;padding:1rem}
.layout{display:flex;flex-direction:column;gap:.65rem}
.config-panel{display:flex;gap:.5rem;flex-wrap:wrap}
.section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:.6rem;flex:1;min-width:200px}
.label{font-size:.7rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem}
.input{width:100%;padding:.38rem .5rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.78rem;color:var(--text)}.input:focus{outline:none;border-color:var(--primary)}
.editor{width:100%;padding:.4rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.78rem;color:var(--text);resize:vertical;outline:none}
.bingo-area{display:flex;justify-content:center}
.bingo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;max-width:500px;width:100%}
.bingo-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:.3rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.68rem;font-weight:500;color:var(--text-sec);cursor:pointer;transition:all var(--transition);line-height:1.2;word-break:break-word;user-select:none}
.bingo-cell:hover{border-color:var(--primary);background:var(--primary-bg)}
.bingo-cell.marked{background:linear-gradient(135deg,rgba(139,92,246,0.3),rgba(244,114,182,0.3));border-color:var(--accent);color:#fff;font-weight:700;transform:scale(0.95)}
.bingo-cell.free{background:var(--accent-bg);color:var(--accent);font-weight:700;border-color:var(--accent)}
.bingo-cell.win{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;animation:winPop .3s ease}
@keyframes winPop{0%{transform:scale(1)}50%{transform:scale(1.08)}100%{transform:scale(1)}}
@media print{.header,.config-panel,.toast,.winner-banner{display:none!important}.bingo-cell{border:1px solid #333;color:#000;background:#fff}.bingo-cell.marked{background:#ddd}}