:root{
  --bg:#eef3f8;
  --muted:#64748b;
  --accent:#e4572e;
  --button-bg:#e4572e;
  --panel-bg:#ffffff;
  --panel-border:rgba(15,23,42,0.09);
  --shadow:0 18px 45px rgba(15,23,42,0.08);
}

*{box-sizing:border-box;font-family:"Aptos","Trebuchet MS",sans-serif}
body{min-height:100vh;margin:0;background:radial-gradient(circle at 10% 0%,rgba(228,87,46,0.12),transparent 32%),var(--bg);color:var(--text,#172033)}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(16px,4vw,56px);background:color-mix(in srgb,var(--panel-bg) 92%,transparent);border-bottom:1px solid var(--panel-border);box-shadow:0 8px 24px rgba(15,23,42,0.05);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-logo{width:46px;height:46px;border-radius:14px;object-fit:cover;box-shadow:0 7px 14px rgba(15,23,42,0.14)}
.brand-title{font-size:18px;letter-spacing:.04em;font-weight:800;color:var(--text)}
.brand-sub{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.tabs{display:flex;gap:4px;padding:4px;background:rgba(100,116,139,0.1);border-radius:12px}
.tab{padding:9px 13px;text-decoration:none;color:var(--muted);font-size:13px;font-weight:700;border-radius:9px;transition:background .2s,color .2s,transform .2s}
.tab:hover{background:rgba(255,255,255,0.72);color:var(--text);transform:translateY(-1px)}
.tab.active{background:var(--button-bg);color:#fff;box-shadow:0 5px 12px color-mix(in srgb,var(--button-bg) 24%,transparent)}
.container{display:flex;gap:24px;min-height:calc(100vh - 75px);padding:clamp(18px,4vw,48px);max-width:1500px;margin:0 auto}
.sidebar,.main{background:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--shadow)}
.sidebar{width:320px;padding:22px;border-radius:20px;align-self:flex-start}
.sidebar .theme-option{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px;white-space:nowrap}
.sidebar .theme-option:first-of-type{margin-top:0}
.sidebar .theme-option input[type="color"]{flex:none;width:42px;padding:3px}
.sidebar .theme-option select{min-width:0;max-width:155px}
.color-picker{position:relative;display:inline-flex;flex:none}
.color-swatch{width:42px;height:32px;min-height:32px;padding:3px;border:2px solid rgba(255,255,255,.85);border-radius:9px;background:var(--button-bg);box-shadow:0 0 0 1px var(--panel-border),0 3px 8px rgba(15,23,42,.14);cursor:pointer}
.color-swatch:hover{transform:scale(1.04)}
.color-popover{position:absolute;right:0;top:calc(100% + 10px);z-index:30;width:246px;padding:14px;border:1px solid var(--panel-border);border-radius:14px;background:var(--panel-bg);box-shadow:0 18px 40px rgba(15,23,42,.24)}
.color-area{position:relative;height:142px;border-radius:9px;background:linear-gradient(to top,#000,transparent),linear-gradient(to right,#fff,transparent),#f00;cursor:crosshair;touch-action:none}
.color-area-cursor{position:absolute;width:16px;height:16px;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 1px rgba(15,23,42,.7);transform:translate(-50%,-50%);pointer-events:none}
.color-hue{width:100%;height:18px;margin:12px 0 8px;padding:0;appearance:none;border:0;border-radius:9px;background:linear-gradient(to right,#f00,#ff0,#0f0,#0ff,#00f,#f0f,#f00)}
.color-hue::-webkit-slider-thumb{width:18px;height:18px;appearance:none;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px rgba(15,23,42,.7);cursor:pointer}
.color-hue::-moz-range-thumb{width:14px;height:14px;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px rgba(15,23,42,.7);cursor:pointer}
.color-popover-footer{display:flex;align-items:center;justify-content:space-between;gap:8px}
.color-value{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase}
.color-done{padding:7px 10px;border-radius:8px;box-shadow:none}
.main{flex:1;min-width:0;padding:clamp(22px,4vw,42px);border-radius:24px}
.main h1{margin:0 0 24px;font-size:clamp(26px,3vw,38px);letter-spacing:-.03em}
.sidebar h2{margin:0 0 16px;font-size:18px}
.panel{margin-bottom:22px;padding:18px;border:1px solid var(--panel-border);border-radius:16px;background:var(--panel-bg)}
.count{color:var(--muted);margin-bottom:12px;font-size:13px}
#playersList{list-style:none;padding:0;margin:0}
#playersList li{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:10px;margin-bottom:7px;background:var(--panel-bg);border:1px solid var(--panel-border)}
.player-item{white-space:nowrap}
.player-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.player-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--panel-border)}
.player-item span{flex:1}
form#addPlayerForm{display:flex;gap:10px}
input,select{min-height:40px;padding:9px 12px;border:1px solid var(--panel-border);border-radius:10px;background:var(--panel-bg);color:var(--text);font:inherit}
input:focus,select:focus{outline:3px solid color-mix(in srgb,var(--button-bg) 22%,transparent);border-color:var(--button-bg)}
#playerName{flex:1}
button{padding:10px 15px;border:0;border-radius:10px;background:var(--button-bg);color:#fff;font:inherit;font-weight:700;cursor:pointer;box-shadow:0 5px 12px color-mix(in srgb,var(--button-bg) 20%,transparent);transition:transform .2s,filter .2s}
button:hover{filter:brightness(1.06);transform:translateY(-1px)}
button.secondary{background:#64748b}
.remove-btn,.removeBtn{background:#dc3545;color:#fff;border-radius:999px;padding:5px 10px;border:none;margin-left:8px;cursor:pointer;box-shadow:none}
.settings label{display:block;margin-bottom:10px}
.actions button{margin:0 8px 8px 0}
.match-row{display:flex;align-items:center;gap:12px;padding:12px 8px;border-bottom:1px solid var(--panel-border)}
.match-row .player{flex:1;text-align:center;font-weight:600}
.match-row .score{width:64px;padding:8px;border:1px solid var(--panel-border);border-radius:9px}
.validate-btn{background:var(--button-bg);color:#fff;border:none;padding:8px 12px;border-radius:9px;cursor:pointer;box-shadow:none}
.validate-btn[disabled]{background:#94a3b8;cursor:default;opacity:.9}
.match-label{min-width:0;color:var(--muted)}
.match-row.locked{background:rgba(16,185,129,0.08)}
.match-row.locked .player{color:#087f5b;font-weight:700}
.match-row.locked .score{background:rgba(148,163,184,0.12);color:var(--muted);border-color:var(--panel-border)}
.match-row.locked .validate-btn{background:var(--button-bg)}
.match-row.locked .validate-btn[disabled]{background:var(--button-bg);opacity:.85}
@media(max-width:800px){.topbar{align-items:flex-start;flex-direction:column;gap:12px}.tabs{width:100%;overflow-x:auto}.tab{white-space:nowrap}.container{flex-direction:column;padding:18px 12px}.sidebar{width:100%}.main{width:100%}}
@media(max-width:520px){.main{padding:20px 16px}.main h1{font-size:28px}form#addPlayerForm{flex-direction:column}.panel{padding:14px}}