/* ---------------------------------------------------------------------------
   Event CTF — one self-contained stylesheet.

   Kept apart from the marketing site's CSS on purpose: on event day nobody
   should be able to break the scoreboard by editing a homepage style.
   Mobile first. Most entrants will be on a phone for the scoreboard even if
   they solve on a laptop.
   ------------------------------------------------------------------------ */

:root {
  --bg:        #080b10;
  --bg-2:      #0d131b;
  --panel:     #111924;
  --panel-2:   #16202d;
  --line:      #1f2c3c;
  --ink:       #e6edf5;
  --ink-dim:   #8a9ab0;
  --ink-faint: #5d6b7e;
  --acc:       #00ff88;
  --acc-dark:  #04130c;
  --warn:      #ffc24b;
  --bad:       #ff5c6c;
  --gold:      #ffd25f;
  --silver:    #c8d2de;
  --bronze:    #d79b5c;
  --radius:    12px;
  --mono:      ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans:      system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -200px, #0f2a20 0%, transparent 70%),
    var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-text-size-adjust: 100%;
}

a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── top bar ─────────────────────────────────────────────────────────── */
.cq-top {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem;
  padding: .8rem 1rem;
  background: rgba(8, 11, 16, .9);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(8px);
}
.cq-brand {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 700 1.05rem/1 var(--sans); color: var(--ink); letter-spacing: .02em;
}
.cq-brand i { color: var(--acc); }
.cq-brand:hover { text-decoration: none; }

.cq-nav { display: flex; gap: .25rem; flex: 1 1 auto; overflow-x: auto; }
.cq-nav a {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .7rem; border-radius: 8px;
  color: var(--ink-dim); font-size: .92rem; white-space: nowrap;
}
.cq-nav a:hover { background: var(--panel); color: var(--ink); text-decoration: none; }
.cq-nav a.is-on { background: var(--panel-2); color: var(--acc); }

.cq-who { display: flex; align-items: center; gap: .5rem; }
.cq-handle { font: 600 .9rem var(--mono); color: var(--acc); }

/* ── buttons ─────────────────────────────────────────────────────────── */
.cq-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .55rem 1rem; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--acc); color: var(--acc-dark);
  font: 600 .92rem var(--sans); text-decoration: none;
}
.cq-btn:hover { filter: brightness(1.1); text-decoration: none; }
.cq-btn:disabled { opacity: .5; cursor: not-allowed; }
.cq-btn--ghost { background: transparent; color: var(--ink-dim); border: 1px solid var(--line); }
.cq-btn--ghost:hover { color: var(--ink); border-color: var(--ink-faint); }
.cq-btn--wide { width: 100%; padding: .75rem 1rem; }

/* ── layout ──────────────────────────────────────────────────────────── */
.cq-wrap { max-width: 1040px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

.cq-strip {
  padding: .7rem 1rem; text-align: center; font-size: .92rem;
  background: var(--panel-2); border-bottom: 1px solid var(--line); color: var(--ink-dim);
}
.cq-strip--warn { background: #2a2208; color: var(--warn); border-color: #4a3c10; }

.cq-alert {
  padding: .8rem 1rem; border-radius: var(--radius); margin-bottom: 1.2rem;
  border: 1px solid var(--line); background: var(--panel); font-size: .94rem;
}
.cq-alert--success { border-color: #11603f; background: #082016; color: #8cf0c0; }
.cq-alert--error   { border-color: #6b2630; background: #220e11; color: #ffb3bb; }

.cq-panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem;
}
.cq-panel + .cq-panel { margin-top: 1rem; }

h1 { font-size: clamp(1.6rem, 5vw, 2.3rem); line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .8rem; }
h2:first-child { margin-top: 0; }
.cq-lede { color: var(--ink-dim); font-size: 1.05rem; margin: 0 0 1.5rem; max-width: 62ch; }

/* ── hero ────────────────────────────────────────────────────────────── */
.cq-hero { text-align: center; padding: 2rem 0 1rem; }
.cq-kicker {
  display: inline-block; padding: .3rem .8rem; border-radius: 999px;
  background: rgba(0, 255, 136, .1); border: 1px solid rgba(0, 255, 136, .3);
  color: var(--acc); font: 600 .78rem/1.4 var(--mono); letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.cq-free {
  display: inline-block; margin-left: .4rem; padding: .3rem .7rem; border-radius: 999px;
  background: var(--acc); color: var(--acc-dark); font: 700 .78rem var(--sans);
}

/* countdown */
.cq-clock { display: flex; justify-content: center; gap: .6rem; margin: 1.5rem 0; }
.cq-clock div {
  min-width: 72px; padding: .7rem .4rem; border-radius: 10px;
  background: var(--panel); border: 1px solid var(--line);
}
.cq-clock b { display: block; font: 700 1.7rem/1 var(--mono); color: var(--acc); }
.cq-clock span { font-size: .7rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; }

/* ── stat row ────────────────────────────────────────────────────────── */
.cq-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin: 1.5rem 0; }
.cq-stats div {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem; text-align: center;
}
.cq-stats b { display: block; font: 700 1.6rem/1.2 var(--mono); color: var(--ink); }
.cq-stats span { font-size: .8rem; color: var(--ink-faint); }

/* prizes */
.cq-prizes { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.cq-prizes div {
  text-align: center; padding: 1rem .5rem; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
}
.cq-prizes b { display: block; font: 700 1.3rem var(--mono); }
.cq-prizes i { font-size: 1.4rem; display: block; margin-bottom: .4rem; }
.cq-prizes .p1 { color: var(--gold); }
.cq-prizes .p2 { color: var(--silver); }
.cq-prizes .p3 { color: var(--bronze); }
.cq-prizes small { color: var(--ink-faint); font-size: .75rem; }

/* ── forms ───────────────────────────────────────────────────────────── */
.cq-form { max-width: 460px; margin: 0 auto; }
.cq-field { margin-bottom: 1rem; }
.cq-field label { display: block; font-size: .85rem; color: var(--ink-dim); margin-bottom: .35rem; }
.cq-field .cq-hint { display: block; font-size: .78rem; color: var(--ink-faint); margin-top: .3rem; }
.cq-field input[type=text], .cq-field input[type=email],
.cq-field input[type=password], .cq-field input[type=tel],
.cq-field input[type=number], .cq-field select, .cq-field textarea {
  width: 100%; padding: .65rem .8rem; border-radius: 8px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink);
  font: 400 .95rem var(--sans);
}
.cq-field input:focus, .cq-field select:focus, .cq-field textarea:focus {
  outline: 0; border-color: var(--acc); box-shadow: 0 0 0 3px rgba(0, 255, 136, .12);
}
.cq-check { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; color: var(--ink-dim); }
.cq-check input { margin-top: .25rem; }
.cq-errors { margin: 0 0 1rem; padding-left: 1.2rem; color: #ffb3bb; font-size: .9rem; }

/* ── challenge cards ─────────────────────────────────────────────────── */
.cq-chals { display: grid; gap: .9rem; }
.cq-chal {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.cq-chal.is-solved { border-color: #11603f; }
.cq-chal__head {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem;
  padding: 1rem 1.1rem;
}
.cq-chal__name { font: 600 1.05rem var(--sans); margin: 0; flex: 1 1 auto; }
.cq-chal__name small { display: block; font: 400 .78rem var(--mono); color: var(--ink-faint); }
.cq-tag {
  padding: .22rem .55rem; border-radius: 6px; font: 600 .72rem var(--mono);
  background: var(--panel-2); color: var(--ink-dim); text-transform: uppercase; letter-spacing: .05em;
}
.cq-tag--warmup { color: #8cf0c0; }
.cq-tag--medium { color: var(--warn); }
.cq-tag--hard   { color: var(--bad); }
.cq-worth { font: 700 1.1rem var(--mono); color: var(--acc); white-space: nowrap; }
.cq-worth small { display: block; font: 400 .7rem var(--sans); color: var(--ink-faint); text-align: right; }

.cq-chal__body { padding: 0 1.1rem 1.1rem; }
/* No white-space:pre-line here. ctfe_desc_html() already turns the newlines
   into <br>, and doing both renders every paragraph break twice. */
.cq-chal__desc { color: var(--ink-dim); font-size: .94rem; margin: 0 0 1rem; }
.cq-chal__desc code { font-family: var(--mono); font-size: .88em; color: var(--acc);
  background: var(--bg-2); padding: .1em .35em; border-radius: 4px; }
.cq-chal__meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }

.cq-submit { display: flex; gap: .5rem; }
.cq-submit input {
  flex: 1 1 auto; min-width: 0; padding: .6rem .8rem; border-radius: 8px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink);
  font: 400 .9rem var(--mono);
}
.cq-submit input:focus { outline: 0; border-color: var(--acc); }
.cq-result { font-size: .88rem; margin-top: .6rem; min-height: 1.2em; }
.cq-result.ok  { color: #8cf0c0; }
.cq-result.no  { color: #ffb3bb; }
.cq-result.hmm { color: var(--warn); }

.cq-done {
  display: flex; align-items: center; gap: .5rem;
  padding: .6rem .8rem; border-radius: 8px;
  background: #082016; color: #8cf0c0; font-size: .9rem;
}

/* ── scoreboard ──────────────────────────────────────────────────────── */
.cq-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cq-table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.cq-table th {
  text-align: left; padding: .6rem .7rem; font: 600 .78rem var(--sans);
  color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.cq-table td { padding: .7rem; border-bottom: 1px solid var(--line); }
.cq-table tbody tr:hover { background: var(--panel-2); }
.cq-table tr.is-me { background: rgba(0, 255, 136, .07); }
.cq-table tr.is-me td { border-color: #11603f; }
.cq-rank { font: 700 1rem var(--mono); width: 3.2rem; }
.cq-rank.r1 { color: var(--gold); }
.cq-rank.r2 { color: var(--silver); }
.cq-rank.r3 { color: var(--bronze); }
.cq-score { font: 700 1rem var(--mono); color: var(--acc); text-align: right; }
.cq-num { font: 400 .95rem var(--mono); color: var(--ink-dim); text-align: right; }
.cq-empty { text-align: center; padding: 2.5rem 1rem; color: var(--ink-faint); }

/* ── rules ───────────────────────────────────────────────────────────── */
.cq-rules { counter-reset: r; list-style: none; padding: 0; margin: 0; }
.cq-rules li {
  position: relative; padding: 0 0 1rem 2.4rem; color: var(--ink-dim); font-size: .95rem;
}
.cq-rules li::before {
  counter-increment: r; content: counter(r);
  position: absolute; left: 0; top: 0;
  width: 1.7rem; height: 1.7rem; border-radius: 6px;
  display: grid; place-items: center;
  background: var(--panel-2); color: var(--acc); font: 600 .8rem var(--mono);
}
.cq-rules strong { color: var(--ink); }

/* ── misc ────────────────────────────────────────────────────────────── */
.cq-foot {
  border-top: 1px solid var(--line); padding: 1.5rem 1rem 2.5rem;
  text-align: center; color: var(--ink-faint); font-size: .88rem;
}
.cq-foot p { margin: .3rem 0; }
.cq-foot__small { font-size: .8rem; }
.cq-cta-row { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; }

@media (min-width: 640px) {
  .cq-stats  { grid-template-columns: repeat(4, 1fr); }
  .cq-wrap   { padding: 2rem 1.5rem 4rem; }
}
@media (max-width: 420px) {
  .cq-nav a span { display: none; }
  .cq-clock div { min-width: 60px; }
  .cq-clock b { font-size: 1.35rem; }
}