:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#f4f6f8;background:#10151d;color-scheme:dark}*{box-sizing:border-box}body{margin:0}.shell{max-width:720px;margin:auto;padding:30px 16px 60px}header{display:flex;align-items:center;gap:15px;margin-bottom:28px}.logo{font-size:35px;background:#232e3b;border-radius:14px;padding:12px}h1{font-size:25px;margin:0}h2{margin:0 0 16px;font-size:22px}h3{margin-top:28px}p{margin:5px 0}.muted,header p{color:#a7b3c1;font-size:14px}.panel{background:#1b2430;border:1px solid #354253;border-radius:17px;padding:24px;margin-bottom:18px;box-shadow:0 8px 28px #0002}nav{display:flex;gap:8px;margin-bottom:24px}button{border:1px solid #506174;background:#2a3646;color:white;border-radius:9px;padding:11px 16px;cursor:pointer;font-weight:650}nav button{flex:1}nav button.active,.primary{background:#ed5038;border-color:#ed5038;color:#fff}.primary{width:100%;margin-top:8px;padding:13px}button:hover{filter:brightness(1.12)}label{display:block;margin:14px 0;font-size:14px;font-weight:600}input{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #516073;border-radius:9px;background:#121a24;color:white;font:inherit}.cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.between{display:flex;justify-content:space-between;align-items:start;gap:12px}.notice{padding:15px;background:#263646;border-radius:10px;margin:16px 0;overflow-wrap:anywhere}.list>div{padding:12px 0;border-bottom:1px solid #394555}.list small{color:#a7b3c1}#message:not(:empty){background:#49342e;border:1px solid #9d594a;padding:12px 15px;border-radius:10px;margin-bottom:15px}#message.success{background:#1e463c;border-color:#427a65}[hidden]{display:none!important}@media(max-width:480px){.panel{padding:18px}.cols{grid-template-columns:1fr}h1{font-size:21px}}

select{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #516073;border-radius:9px;background:#121a24;color:white;font:inherit} .window-row{border:1px solid #394555;border-radius:12px;padding:12px;margin:12px 0}.window-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}.window-grid label:last-child{grid-column:1/-1}.arena-list{max-height:360px;overflow:auto;margin:12px 0;border:1px solid #394555;border-radius:10px}.arena-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px;border-bottom:1px solid #394555}.arena-row:last-child{border-bottom:0}.arena-row strong{display:block;font-size:14px}.arena-row small{display:block;color:#a7b3c1;font-size:12px;margin-top:3px}.arena-row select{width:145px;flex-shrink:0;margin:0}@media(max-width:480px){.window-grid{grid-template-columns:1fr}.arena-row select{width:120px}}

/* Compact day list and edit panel */
.day-list{display:grid;gap:8px;margin:14px 0}.day-item{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:8px;text-align:left;width:100%;padding:14px;background:#202d3b;border:1px solid #46576b}.day-item span{font-size:13px;color:#c2cedb}.day-item span:last-child{text-align:right;color:#ffad9f}.add-day{width:100%;margin-bottom:6px}.day-editor{border:1px solid #506174;border-radius:12px;padding:16px;margin:16px 0;background:#16202b}.day-editor h3{margin:0 0 12px}.editor-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.editor-actions .primary{width:auto;margin:0}.danger{border-color:#b85454;color:#ffc1c1}@media(max-width:480px){.day-item{grid-template-columns:1fr auto}.day-item strong{grid-column:1}.day-item span:nth-child(2){grid-column:1;grid-row:2}.day-item span:last-child{grid-column:2;grid-row:1/3}}

/* Inline day editor validation */
.field-error{margin:8px 0 14px;padding:11px 12px;border-radius:9px;border:1px solid #df7777;background:#42272b;color:#ffcece;font-size:14px;font-weight:600}
input.invalid{border:2px solid #f28a8a;outline:2px solid #f28a8a33}
button:disabled{opacity:.48;cursor:not-allowed;filter:none}