:root{
  --bg:#eef2f7; --surface:#ffffff; --surface2:#f5f8fb; --line:#dde5ee; --line2:#ccd7e3;
  --primary:#0b5d9a; --primary-dark:#084780; --primary-hi:#0e6fb8;
  --text:#16222f; --muted:#5c6b7d; --gold:#c98a00; --medal:#e3a008;
  --green:#15924f; --green-bg:#e7f6ee; --red:#d23b3f; --amber:#8a6d00; --amber-bg:#fdf5e1;
  --shadow:0 1px 2px rgba(20,40,70,.05),0 8px 24px rgba(20,40,70,.07);
  --shadow-sm:0 1px 2px rgba(20,40,70,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased;
  min-height:100vh;display:flex;flex-direction:column}
/* sticky footer: the main content grows so the brand footer stays at the bottom */
.wrap{flex:1 0 auto}
.adminwrap{flex:1 0 auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hi);text-decoration:underline}
.mono{font-family:'JetBrains Mono',Consolas,monospace}

/* ---------- brand logo chip (white gov logo sits on a blue chip) ---------- */
.logo-chip{display:inline-flex;align-items:center;justify-content:center;background:var(--primary-dark);
  border-radius:10px;padding:7px 10px;flex:none}
.logo-chip img{display:block;height:34px;width:auto}

/* ---------- buttons / inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:600;font-size:15px;padding:11px 20px;border-radius:10px;background:var(--primary);color:#fff;white-space:nowrap}
.btn:hover{background:var(--primary-hi)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:#fff;border:1px solid var(--line2);color:var(--text)}
.btn.ghost:hover{border-color:var(--primary);background:var(--surface2)}
.btn.sm{padding:8px 14px;font-size:14px}
.btn.danger{background:#fff;border:1px solid #e7b4b6;color:var(--red)}
.btn.danger:hover{background:#fdecec;border-color:var(--red)}
input[type=text],input[type=password]{width:100%;padding:11px 13px;border:1px solid var(--line2);
  border-radius:10px;font-size:15px;background:#fff;color:var(--text)}
input::placeholder{color:#9fb0c0}
input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,93,154,.15)}

/* ---------- landing ---------- */
.landing{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px 20px;text-align:center}
.brandrow{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.eyebrow{font-family:'JetBrains Mono',monospace;color:var(--primary);letter-spacing:3px;font-size:13px;
  text-transform:uppercase;margin:0 0 6px;font-weight:700}
.landing h1{font-size:52px;font-weight:800;margin:0 0 10px;letter-spacing:-1px;max-width:900px;color:var(--text)}
.landing .lead{color:var(--muted);font-size:19px;max-width:620px;margin:0 0 30px}
.timerbox{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px 40px;
  box-shadow:var(--shadow);margin-bottom:30px;min-width:360px}
.timerbox .tlabel{font-family:'JetBrains Mono',monospace;color:var(--muted);text-transform:uppercase;
  letter-spacing:2px;font-size:12px;margin-bottom:10px}
.clock{font-family:'JetBrains Mono',monospace;font-size:54px;font-weight:700;color:var(--primary);
  letter-spacing:2px;line-height:1}
.clock.ended{color:var(--red)} .clock.live{color:var(--green)}
.regcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;
  width:100%;max-width:440px;box-shadow:var(--shadow);text-align:left}
.regcard h2{margin:0 0 4px;font-size:21px}
.regcard p{color:var(--muted);margin:0 0 16px;font-size:14px}
.regrow{display:flex;gap:10px}
.regcard .rlbl{display:block;font-size:13px;color:var(--muted);font-weight:600;margin:14px 0 5px}
.regcard select{width:100%;padding:11px 13px;border:1px solid var(--line2);border-radius:10px;
  font-size:15px;background:#fff;color:var(--text)}
.regcard select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,93,154,.15)}
.err{color:var(--red);font-size:14px;min-height:18px;margin-top:10px}
.foot{color:var(--muted);font-size:13px;margin-top:34px}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;
  padding:11px 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.topbar .logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;color:var(--text)}
.topbar .sp{flex:1}
.topbar .pill{font-family:'JetBrains Mono',monospace;font-size:14px;padding:6px 13px;border-radius:999px;
  background:var(--surface2);border:1px solid var(--line);color:var(--text)}
.topbar .clockmini{color:var(--primary);font-weight:700}
.topbar .clockmini.ended{color:var(--red)}
.topbar .score{color:var(--primary);font-weight:700}
.topbar a.navlink,.topbar .navlink{color:var(--muted);font-weight:600;font-size:14px}
.topbar a.navlink:hover,.topbar .navlink:hover{color:var(--text)}

.wrap{max-width:1140px;margin:0 auto;padding:26px 22px 90px}
.tabs{display:flex;gap:6px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.tab{padding:11px 18px;cursor:pointer;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}

.banner{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;
  margin-bottom:18px;display:flex;align-items:center;gap:12px;font-size:15px;box-shadow:var(--shadow-sm)}
.banner.warn{border-color:#ecd9a6;background:var(--amber-bg);color:var(--amber)}
.banner.live{border-color:#bfe6cf;background:var(--green-bg);color:var(--green)}
.announce{background:#0b2a44;color:#eaf4ff;border-radius:12px;padding:13px 18px;margin-bottom:18px;
  display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}
.announce .tag{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
  background:var(--medal);color:#1a1200;padding:3px 9px;border-radius:6px;flex:none}

/* ---------- challenges ---------- */
.cathead{display:flex;align-items:baseline;gap:12px;margin:26px 2px 12px}
.cathead h2{font-size:20px;margin:0;color:var(--text)} .cathead span{color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;
  display:flex;flex-direction:column;gap:11px;box-shadow:var(--shadow-sm);transition:box-shadow .12s,border-color .12s}
.card:hover{border-color:var(--line2);box-shadow:var(--shadow)}
.card.solved{border-color:#bfe6cf;background:#f4fbf7}
.card .ctop{display:flex;align-items:center;gap:9px}
.card h3{margin:0;font-size:17px;flex:1;color:var(--text)}
.pts{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--primary);font-size:14px;
  background:var(--surface2);border:1px solid var(--line);padding:3px 10px;border-radius:999px;white-space:nowrap}
.card .blurb{color:var(--muted);font-size:14px;margin:0}
.card .links{display:flex;gap:14px;font-size:14px;flex-wrap:wrap}
.card .links a{font-weight:600}
.card .flagrow{display:flex;gap:8px;margin-top:2px}
.card .flagrow input{font-family:'JetBrains Mono',monospace;font-size:14px}
.card .msg{font-size:13px;min-height:16px}
.msg.good{color:var(--green)} .msg.bad{color:var(--red)}
.solvedtag{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700;font-size:14px}

/* hints */
.hints{border-top:1px dashed var(--line);padding-top:11px;margin-top:1px}
.hints .hhead{display:flex;align-items:center;justify-content:space-between;font-size:12px;
  text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:700;margin-bottom:8px}
.hintrow{display:flex;flex-direction:column;gap:7px}
.hintbtn{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;cursor:pointer;
  font-size:13px;font-weight:600;color:var(--amber);background:var(--amber-bg);border:1px solid #ecd9a6;
  border-radius:8px;padding:6px 11px}
.hintbtn:hover{background:#fbefcf}
.hintbtn:disabled{opacity:.5;cursor:not-allowed}
.hintbtn .cost{font-family:'JetBrains Mono',monospace;color:var(--amber)}
.hinttext{font-size:13.5px;color:var(--text);background:var(--surface2);border:1px solid var(--line);
  border-left:3px solid var(--medal);border-radius:8px;padding:9px 12px}
.hintsoff{font-size:13px;color:var(--muted);font-style:italic}

/* ---------- scoreboard table ---------- */
table.sb{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;font-size:15px;box-shadow:var(--shadow-sm)}
table.sb th{text-align:left;background:var(--surface2);color:var(--muted);padding:12px 18px;font-size:13px;font-weight:700}
table.sb td{padding:12px 18px;border-top:1px solid var(--line)}
table.sb tr.you td{background:#eaf3fb}
table.sb .rk{font-family:'JetBrains Mono',monospace;color:var(--muted);width:50px;font-weight:700}
table.sb .scorecell{font-family:'JetBrains Mono',monospace;color:var(--primary);font-weight:700}
table.sb .actcell{width:1%;white-space:nowrap}

/* ---------- admin ---------- */
.adminwrap{max-width:980px;margin:0 auto;padding:30px 22px 80px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:18px;
  box-shadow:var(--shadow-sm)}
.panel h2{margin:0 0 6px;font-size:19px}
.panel .sub{color:var(--muted);margin:0 0 16px;font-size:14px}
.ctrls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toggle{display:inline-flex;align-items:center;gap:10px;font-weight:600}
.switch{position:relative;width:46px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#c5d0dc;border-radius:999px;transition:.15s;cursor:pointer}
.slider:before{content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s;box-shadow:var(--shadow-sm)}
.switch input:checked+.slider{background:var(--green)}
.switch input:checked+.slider:before{transform:translateX(20px)}
.statewrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.statrow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 13px;
  background:var(--surface2);border:1px solid var(--line);border-radius:9px;font-size:14px}
.statrow b{font-family:'JetBrains Mono',monospace;color:var(--primary)}
.statrow .cat{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}

/* ---------- big-screen board ---------- */
.board{min-height:100vh;display:flex;flex-direction:column;padding:clamp(18px,2.4vw,40px)}
.board-head{display:flex;align-items:center;gap:clamp(14px,1.6vw,26px)}
.board-head .logo-chip{padding:clamp(8px,0.8vw,12px) clamp(10px,1vw,15px)}
.board-head .logo-chip img{height:clamp(34px,3.2vw,58px)}
.board-title{font-size:clamp(22px,2.4vw,44px);font-weight:800;letter-spacing:-.5px;line-height:1.05}
.board-title small{display:block;font-family:'JetBrains Mono',monospace;font-weight:700;
  font-size:clamp(11px,0.9vw,16px);letter-spacing:3px;text-transform:uppercase;color:var(--primary);margin-bottom:4px}
.board-head .sp{flex:1}
.statuspill{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:clamp(13px,1vw,20px);
  padding:clamp(6px,0.6vw,12px) clamp(12px,1.1vw,22px);border-radius:999px;border:2px solid var(--line2);color:var(--muted)}
.statuspill.live{color:#fff;background:var(--green);border-color:var(--green)}
.statuspill.ended{color:#fff;background:var(--red);border-color:var(--red)}
.statuspill.scheduled{color:var(--primary);border-color:var(--primary)}
.board-timer{text-align:center;margin:clamp(5px,0.9vh,14px) 0}
.board-timer .lab{font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:4px;
  color:var(--muted);font-size:clamp(11px,0.95vw,18px);margin-bottom:4px}
.board-timer .big{font-family:'JetBrains Mono',monospace;font-weight:700;letter-spacing:3px;line-height:1;
  font-size:clamp(56px,8.5vw,138px);color:var(--primary)}
.board-timer .big.ended{color:var(--red)} .board-timer .big.live{color:var(--green)}
.board-announce{background:#0b2a44;color:#eaf4ff;border-radius:14px;padding:clamp(10px,1vw,18px) clamp(16px,1.4vw,26px);
  margin:0 auto clamp(10px,1.2vh,20px);font-weight:700;font-size:clamp(15px,1.3vw,26px);display:flex;gap:16px;align-items:center;max-width:1600px;width:100%}
.board-announce .tag{font-family:'JetBrains Mono',monospace;font-size:clamp(10px,0.8vw,15px);letter-spacing:2px;
  background:var(--medal);color:#1a1200;padding:4px 11px;border-radius:7px;flex:none}
.board-lb{flex:1;max-width:1600px;width:100%;margin:0 auto;display:flex;flex-direction:column;min-height:0}
.lb-head,.lb-row{display:grid;grid-template-columns:clamp(60px,6vw,110px) 1fr clamp(90px,9vw,180px) clamp(110px,11vw,220px);
  align-items:center;gap:clamp(8px,1vw,20px)}
.lb-head{font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:2px;color:var(--muted);
  font-size:clamp(11px,0.9vw,17px);padding:0 clamp(14px,1.4vw,28px) 8px;flex:none}
.lb-head .r-score,.lb-row .r-score{text-align:right}
.lb-head .r-solved,.lb-row .r-solved{text-align:center}
#rows{flex:1;display:flex;flex-direction:column;gap:clamp(5px,0.6vh,8px);min-height:0}
.lb-row{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);
  padding:clamp(6px,0.7vw,11px) clamp(14px,1.3vw,24px);flex:1 1 0;min-height:0;max-height:94px}
.lb-rank{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:clamp(18px,1.8vw,32px);color:var(--muted)}
.lb-name{font-weight:800;font-size:clamp(16px,1.5vw,28px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-solved{font-family:'JetBrains Mono',monospace;font-size:clamp(14px,1.2vw,22px);color:var(--muted)}
.lb-score{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:clamp(18px,1.8vw,32px);color:var(--primary);text-align:right}
.lb-row.top1{border-color:var(--medal);background:#fffbe9}
.lb-row.top1 .lb-rank{color:var(--medal)}
.lb-row.top2{border-color:#c3ccd6;background:#fbfcfe}
.lb-row.top2 .lb-rank{color:#8795a3}
.lb-row.top3{border-color:#e3c3a0;background:#fdf8f2}
.lb-row.top3 .lb-rank{color:#b9712e}
.lb-empty{text-align:center;color:var(--muted);font-size:clamp(18px,1.8vw,34px);margin-top:12vh}
.board-foot{display:flex;flex-direction:column;align-items:center;gap:clamp(6px,0.8vh,12px);padding-top:clamp(8px,1vh,16px)}
.board-foot .stats{color:var(--muted);font-size:clamp(11px,0.85vw,16px)}
.board-foot .brandfoot{border:0;background:none;padding:0;margin:0;gap:clamp(16px,1.6vw,30px)}
.board-foot .brandfoot .l-cyberhub{height:clamp(22px,1.9vw,36px)}
.board-foot .brandfoot .l-ncsa{height:clamp(30px,2.6vw,50px)}
.board-foot .brandfoot .pipe{height:clamp(26px,2.3vw,44px)}

/* ---------- brand footer (both org logos, centered, pipe-separated) ---------- */
.brandfoot{display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap;
  padding:22px 20px;border-top:1px solid var(--line);background:var(--surface);margin-top:40px}
.brandfoot img{display:block;width:auto}
.brandfoot .l-cyberhub{height:32px}
.brandfoot .l-ncsa{height:46px}
.brandfoot .pipe{width:2px;height:42px;background:var(--line2);border-radius:2px}
.landing .brandfoot{margin-top:0}

/* ---------- pagination ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:16px;margin:24px 0 4px}
.pager .pageind{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--muted);min-width:130px;text-align:center}
.pager .btn[disabled]{opacity:.4;cursor:not-allowed}

/* locked-challenges placeholder (shown before the event starts) */
.waitbox{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);
  padding:48px 24px;text-align:center;max-width:520px;margin:30px auto}
.waitbox .waiticon{font-size:38px;margin-bottom:8px}
.waitbox h3{margin:0 0 6px;font-size:20px}
.waitbox p{margin:0;color:var(--muted)}

/* modal (sequential-challenges notice) */
.modal-backdrop{position:fixed;inset:0;background:rgba(16,32,54,.55);display:flex;align-items:center;
  justify-content:center;z-index:100;padding:20px}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  max-width:460px;width:100%;padding:28px}
.modal h3{margin:0 0 10px;font-size:21px}
.modal p{margin:0 0 12px;color:var(--text)}
.modal .modal-note{color:var(--muted);font-size:14px}
.modal .btn{margin-top:6px}

/* category badge on challenge cards */
.catbadge{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.5px;
  text-transform:uppercase;color:var(--primary);background:#eaf1f8;border:1px solid #d3e3f2;padding:3px 9px;border-radius:999px}

/* per-challenge solve count + first blood (CTFd-style) */
.cstats{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;margin-top:-3px}
.cstats .solvecount{color:var(--muted);font-family:'JetBrains Mono',monospace}
.cstats .firstblood{align-items:center;gap:5px;color:#b43b2e;background:#fdece8;border:1px solid #f3c5bc;
  border-radius:999px;padding:2px 9px;font-weight:600}
.cstats .firstblood b{font-weight:700}

/* landing split so the brand footer sits at the bottom */
.landing{justify-content:flex-start;align-items:stretch;padding:0;text-align:left}
.landing-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 20px}

@media(max-width:680px){
  .landing h1{font-size:34px} .clock{font-size:40px} .timerbox{min-width:0;width:100%}
  .grid{grid-template-columns:1fr} .topbar{flex-wrap:wrap;gap:10px}
  .regrow{flex-direction:column}
  .brandfoot{gap:16px} .brandfoot .l-ncsa{height:38px} .brandfoot .l-cyberhub{height:26px}
}