*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI",Tahoma,Leelawadee,Prompt,sans-serif;background:#f1f5f9;color:#0f172a}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;background:#0f172a;color:#fff;flex-wrap:wrap}
.brand{display:flex;gap:12px;align-items:center}.logo{font-size:34px;background:#fff;border-radius:12px;width:52px;height:52px;display:flex;align-items:center;justify-content:center}
.topbar h1{margin:0;font-size:18px}.sub{margin:2px 0 0;opacity:.75;font-size:13px}
.dbbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pill{background:#1e293b;border:1px solid #334155;padding:6px 12px;border-radius:999px;font-size:13px;color:#e2e8f0}
.tabs{display:flex;gap:8px;padding:10px 14px;background:#fff;border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:5;flex-wrap:wrap}
.tab{border:1px solid #e2e8f0;background:#f8fafc;padding:9px 14px;border-radius:10px;cursor:pointer;font-size:14px}
.tab.active{background:#0f172a;color:#fff;border-color:#0f172a}.badge{background:#22c55e;color:#fff;border-radius:999px;padding:1px 8px;font-size:12px;margin-left:4px}
main{padding:16px;max-width:1150px;margin:0 auto}
.panel{display:none}.panel.active{display:block}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:850px){.grid2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h2{margin:0 0 12px;font-size:17px}.card h3{margin:14px 0 6px;font-size:14px}
label{display:block;font-size:14px;margin:8px 0}input,select{width:100%;padding:9px 10px;border:1px solid #cbd5e1;border-radius:9px;font-size:14px;margin-top:4px;background:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:600px){.row{grid-template-columns:1fr}}
.btn{border:1px solid #0f172a;background:#0f172a;color:#fff;padding:9px 14px;border-radius:9px;cursor:pointer;font-size:14px}
.btn.primary{background:#16a34a;border-color:#16a34a}.btn.outline{background:#fff;color:#0f172a}.btn.danger{background:#dc2626;border-color:#dc2626}.btn.danger.outline{background:#fff;color:#dc2626;border-color:#dc2626}.btn.small{padding:6px 10px;font-size:13px}.filebtn{display:inline-block}
.hint{font-size:12.5px;color:#64748b}.toolbar{display:flex;gap:8px;align-items:center;margin:10px 0;flex-wrap:wrap}.toolbar input,.toolbar select{width:auto;flex:1;min-width:160px}
.catlist{display:flex;flex-direction:column;gap:6px;margin-top:10px}.catitem{display:flex;justify-content:space-between;align-items:center;border:1px solid #e2e8f0;border-radius:9px;padding:8px 10px;background:#f8fafc;font-size:14px}.catitem button{border:1px solid #fecaca;background:#fff;color:#dc2626;border-radius:7px;cursor:pointer;padding:4px 8px}
.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{border-bottom:1px solid #e2e8f0;padding:8px;text-align:left;white-space:nowrap}th{background:#f8fafc}
.del{border:1px solid #fecaca;background:#fff;color:#dc2626;border-radius:7px;cursor:pointer;padding:4px 8px}
.matchlist{display:grid;gap:8px;margin-top:10px}.matchrow{border:1px solid #e2e8f0;border-radius:10px;padding:10px;background:#f8fafc;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.bye{color:#b45309;font-weight:700}
.bracket{display:flex;gap:14px;overflow:auto;padding:10px 2px}.round{min-width:250px;flex:1}.round h3{text-align:center;background:#0f172a;color:#fff;border-radius:9px;padding:7px;font-size:14px;margin:0 0 10px}
.mcard{border:1px solid #e2e8f0;border-radius:11px;padding:10px;margin-bottom:10px;background:#fff}.mcard .players{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.pbtn{border:1px solid #cbd5e1;background:#f8fafc;border-radius:8px;padding:7px 9px;cursor:pointer;text-align:left;font-size:13.5px;display:flex;justify-content:space-between;gap:6px;align-items:center}.pbtn.win{background:#dcfce7;border-color:#16a34a;font-weight:700}.pbtn.bye{opacity:.7}
.mcard input{padding:6px 8px;font-size:13px}.mfoot{display:flex;gap:6px}.mfoot button{flex:1;font-size:12.5px;padding:6px;border-radius:7px;cursor:pointer;border:1px solid #cbd5e1;background:#fff}
.champion{background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:12px;padding:14px;text-align:center;font-size:18px;font-weight:800;margin-bottom:12px}
.hidden{display:none}code{background:#f1f5f9;padding:1px 6px;border-radius:6px}.howto{font-size:14px;line-height:1.8}footer{text-align:center;color:#64748b;font-size:12.5px;padding:18px}
@media print{.topbar,.tabs,footer,#tab-bracket .toolbar button{display:none}body{background:#fff}main{max-width:none}}