:root{--blue:#036;--gold:#ffc72c;--light-bg:#f5f7fa;--white:#fff;--text-main:#333;--text-muted:#666;--border:#e1e4e8;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 4px 6px #0000001a;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--light-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{background-color:var(--blue);color:var(--white);text-align:center;border-bottom:4px solid var(--gold);padding:1.5rem 2rem}.app-header h1{margin-bottom:.5rem;font-size:2rem;font-weight:700}.app-header p{color:#e2e8f0;font-size:1rem}.main-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem}.desktop-grid{grid-template-columns:repeat(3,1fr);gap:2rem;display:grid}.ring-column{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.ring-title{color:var(--blue);border-bottom:2px solid var(--gold);margin-bottom:1rem;padding-bottom:.5rem;font-size:1.5rem}.empty-ring{color:var(--text-muted);text-align:center;padding:2rem 0;font-style:italic}.event-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--white);transition:transform .2s,box-shadow .2s;overflow:hidden}.event-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.event-card.finished .event-header{opacity:.8;background-color:#e2e8f0}.event-header{cursor:pointer;background-color:var(--white);justify-content:space-between;align-items:flex-start;padding:1rem;display:flex}.event-info h3{min-height:2.8rem;color:var(--blue);margin-bottom:0;font-size:1.1rem;line-height:1.4}.event-code{background:var(--light-bg);color:var(--text-muted);border-radius:4px;padding:.25rem .5rem;font-size:.85rem;font-weight:500;display:inline-block}.competitor-list{border-top:1px solid var(--border);background:#fdfdfd}.competitor-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:.75rem 1rem;display:flex}.competitor-row:last-child{border-bottom:none}.competitor-name{font-weight:500}.competitor-score{color:var(--blue);font-weight:700}.no-competitors{text-align:center;color:var(--text-muted);padding:1rem;font-size:.9rem;font-style:italic}.tabs{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:1.5rem;display:flex;overflow:hidden}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex:1;padding:1rem;font-size:1rem;font-weight:600;transition:all .2s}.tab-btn.active{background:var(--blue);color:var(--gold)}@media (width<=768px){.main-content{padding:1rem}}