:root{--blue:#4261b0;--orange:#d9883e;--bg:#f4f6fa;--text:#202637;--border:#dce1eb}*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,sans-serif;color:var(--text);background:var(--bg)}header{min-height:64px;padding:12px max(20px,calc((100% - 1120px)/2));background:#fff;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--border)}.brand{font-weight:800;color:var(--blue);text-decoration:none}nav{display:flex;gap:18px;flex:1}nav a,a{color:var(--blue)}.logout{margin-left:auto}main{max-width:1120px;margin:32px auto;padding:0 20px;min-height:calc(100vh - 150px)}footer{text-align:center;padding:20px;color:#687086}.club-logo-wrap{text-align:center;margin:0 auto 24px}.club-logo{display:block;width:min(100%,560px);height:auto;margin:0 auto;border-radius:12px}.login-logo-wrap{text-align:center;margin:0 auto 20px}.login-logo{display:block;width:min(100%,320px);height:auto;margin:0 auto;border-radius:10px}.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:0 3px 12px #25345c0d}.narrow{max-width:480px;margin:8vh auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.heading{display:flex;justify-content:space-between;align-items:center}label{display:block;margin:0 0 16px;font-weight:650}input,select,textarea{width:100%;padding:11px;border:1px solid #b9c1d1;border-radius:7px;font:inherit;margin-top:5px;background:#fff}.check{font-weight:400}.check input{width:auto;margin-right:7px}fieldset{border:1px solid var(--border);border-radius:8px;margin:16px 0;padding:14px}button,.button{display:inline-block;border:1px solid var(--border);background:#fff;padding:9px 14px;border-radius:7px;font:inherit;text-decoration:none;cursor:pointer}.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.alert{padding:12px 15px;border-radius:8px;margin:0 0 18px}.error{background:#ffe4e4;color:#8b1c1c}.success{background:#e3f6e9;color:#176b36}.table-wrap{overflow:auto;background:#fff;border-radius:10px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--border)}code{font-size:.85em;background:#eef1f6;padding:2px 5px;border-radius:4px}.course-list{display:grid;gap:18px}.course-items{list-style:none;padding:0;margin:12px 0}.course-items li{padding:9px 0;border-bottom:1px solid var(--border)}.course-items li:last-child{border-bottom:0}.done{color:#176b36}.pending,.meta{color:#687086}.meta{font-size:.9em}.actions,.row-actions,.course-group-heading{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.actions{margin:0 0 20px}.row-actions form{margin:0}.link-danger{border:0;padding:0;background:transparent;color:#a32626;text-decoration:underline}.course-group-editor,.course-content-group{background:#fff;border:1px solid var(--border);border-left:6px solid var(--blue);border-radius:10px;padding:16px;margin:16px 0}.course-group-editor:nth-child(even),.course-content-group:nth-of-type(even){border-left-color:var(--orange)}.course-group-heading{justify-content:space-between}.course-group-heading h2,.course-content-group h4{margin:0}.remove-group{color:#a32626}@media(max-width:700px){header{align-items:flex-start;flex-wrap:wrap}nav{width:100%;order:3;overflow:auto}.heading{align-items:flex-start;gap:12px}.club-logo{width:min(100%,420px)}.login-logo{width:min(100%,280px)}}
 .course-section{margin:0 0 22px}.course-section h2{margin-top:0}.course-entry{padding:18px;border:1px solid var(--border);border-left:6px solid var(--blue);border-radius:10px}.course-entry:nth-child(even){border-left-color:var(--orange)}.course-entry h3{margin-top:0}