/* jolved labs — Weekly Game Challenge — Challenge Hub (sci-fi HUD theme) */
:root {
  --bg: #05060a;
  --surface: #0c1018;
  --surface-2: #121826;
  --text: #eaf6ff;
  --muted: #7d8ba0;
  --cyan: #39e6ff;
  --volt: #ffd23f;
  --magenta: #ff3d81;
  --mint: #4dffb8;
  --radius: 6px;
  --notch: 9px;
  --font-display: 'Orbitron', 'Chakra Petch', system-ui, sans-serif;
  --font-ui: 'Chakra Petch', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --cut: polygon(var(--notch) 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%, 0 var(--notch));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: none; color: #8af2ff; }
b { color: var(--text); }

/* ── sci-fi backdrop: drifting grid + colour glow + CRT scanlines ── */
.bg-grid {
  position: fixed; inset: -2px; z-index: -2;
  background-image:
    linear-gradient(rgba(57, 230, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 230, 255, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% -4%, #000 26%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% -4%, #000 26%, transparent 78%);
  animation: grid-drift 26s linear infinite;
}
@keyframes grid-drift { to { background-position: 46px 46px, 46px 46px; } }

body::before {   /* corner colour glows + vignette */
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(58% 42% at 50% -8%, rgba(57, 230, 255, 0.16), transparent 70%),
    radial-gradient(40% 30% at 88% 6%, rgba(255, 61, 129, 0.08), transparent 70%),
    radial-gradient(38% 30% at 10% 14%, rgba(255, 210, 63, 0.06), transparent 70%);
}
body::after {   /* fine scanlines for a HUD/CRT sheen */
  content: ""; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0, 0, 0, 0.16) 2px 3px);
  opacity: 0.4;
}

/* ── hero ── */
.hero {
  max-width: 960px; margin: 0 auto;
  padding: clamp(48px, 12vh, 120px) 24px 28px; text-align: center;
}
.brand { display: inline-block; margin-bottom: 18px; line-height: 0; }
.brand-logo {
  height: 27px; width: auto; opacity: 0.96;
  filter: drop-shadow(0 0 12px rgba(57, 230, 255, 0.28));
  transition: opacity 0.15s ease;
}
.brand:hover .brand-logo { opacity: 1; }

.eyebrow {
  font-family: var(--font-mono); color: var(--cyan);
  letter-spacing: 0.32em; text-transform: uppercase; font-size: 12px;
}
.eyebrow::before { content: "// "; opacity: 0.55; }

.title {
  font-family: var(--font-display);
  font-size: clamp(34px, 8.4vw, 80px);
  font-weight: 800; line-height: 1.0;
  margin: 16px 0 12px; letter-spacing: 0.015em; text-transform: uppercase;
  text-shadow: 0 0 34px rgba(57, 230, 255, 0.1);
}
.title .accent { color: var(--cyan); text-shadow: 0 0 30px rgba(57, 230, 255, 0.6), 0 0 8px rgba(57, 230, 255, 0.7); }
.tagline { font-size: clamp(15px, 2.4vw, 21px); color: var(--text); letter-spacing: 0.01em; }
.rule { font-family: var(--font-mono); color: var(--muted); margin-top: 12px; font-size: 13px; max-width: 640px; margin-inline: auto; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.btn {
  font-family: var(--font-ui); font-weight: 600; letter-spacing: 0.05em;
  display: inline-block; padding: 12px 22px; font-size: 14px; color: var(--text);
  background: rgba(18, 24, 38, 0.6); clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px rgba(57, 230, 255, 0.3);
  transition: transform 0.08s ease, box-shadow 0.15s, background 0.15s, color 0.15s, filter 0.15s;
}
.btn:hover { color: var(--cyan); background: rgba(57, 230, 255, 0.1); box-shadow: inset 0 0 0 1px var(--cyan); filter: drop-shadow(0 0 10px rgba(57, 230, 255, 0.4)); }
.btn:active { transform: translateY(1px); }
.btn.primary { color: var(--cyan); background: rgba(57, 230, 255, 0.14); box-shadow: inset 0 0 0 1px var(--cyan); font-weight: 700; filter: drop-shadow(0 0 10px rgba(57, 230, 255, 0.25)); }

/* ── rule chips ── */
.rules { max-width: 960px; margin: 10px auto 0; padding: 0 24px; }
.rule-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.rule-chips li {
  font-family: var(--font-ui); font-size: 12.5px; letter-spacing: 0.02em;
  background: var(--surface); color: var(--muted); padding: 8px 15px; clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px rgba(125, 139, 160, 0.2);
}
.rule-chips li b { color: var(--cyan); font-weight: 700; }

/* ── drops ── */
.drops { max-width: 1120px; margin: 0 auto; padding: 60px 24px 24px; }
.section-title { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 20px; }
.loading { color: var(--muted); font-family: var(--font-mono); letter-spacing: 0.05em; }

/* ── platform tabs ── */
.tabs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; }
.tab {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.07em; text-transform: uppercase; cursor: pointer;
  padding: 10px 17px; background: var(--surface); color: var(--muted); clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px rgba(125, 139, 160, 0.2);
  transition: transform 0.08s ease, box-shadow 0.15s, color 0.15s, background 0.15s, filter 0.15s;
}
.tab:hover { color: var(--text); box-shadow: inset 0 0 0 1px var(--cyan); filter: drop-shadow(0 0 8px rgba(57, 230, 255, 0.3)); }
.tab:active { transform: translateY(1px); }
.tab.active { color: var(--bg); background: var(--cyan); box-shadow: none; font-weight: 700; filter: drop-shadow(0 0 12px rgba(57, 230, 255, 0.55)); }
.tab.soon { opacity: 0.7; }
.tab .soon-tag { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; margin-left: 6px; color: var(--muted); }
.tab.active .soon-tag { color: rgba(5, 6, 10, 0.7); }

/* ── coming-soon panel ── */
.coming {
  grid-column: 1 / -1; text-align: center; padding: 60px 24px;
  border: 1px dashed rgba(57, 230, 255, 0.22); border-radius: var(--radius); background: rgba(18, 24, 38, 0.3);
}
.coming-emoji { font-size: 42px; margin-bottom: 10px; filter: drop-shadow(0 0 14px rgba(57, 230, 255, 0.3)); }
.coming h3 { font-family: var(--font-display); font-size: 22px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; margin-bottom: 8px; }
.coming .blurb { color: var(--muted); max-width: 480px; margin: 0 auto; }

/* ── game cards as HUD panels ── */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid rgba(57, 230, 255, 0.13);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  overflow: hidden;
  transition: transform 0.12s ease, border-color 0.15s, box-shadow 0.15s;
}
.card::before {   /* colour-coded accent rail */
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--card-accent, var(--cyan)); box-shadow: 0 0 16px var(--card-accent, var(--cyan));
}
.card::after {   /* HUD corner brackets (top-left + bottom-right) */
  content: ""; position: absolute; inset: 9px; pointer-events: none; opacity: 0.5;
  background:
    linear-gradient(var(--card-accent, var(--cyan)), var(--card-accent, var(--cyan))) top left / 16px 2px no-repeat,
    linear-gradient(var(--card-accent, var(--cyan)), var(--card-accent, var(--cyan))) top left / 2px 16px no-repeat,
    linear-gradient(var(--card-accent, var(--cyan)), var(--card-accent, var(--cyan))) bottom right / 16px 2px no-repeat,
    linear-gradient(var(--card-accent, var(--cyan)), var(--card-accent, var(--cyan))) bottom right / 2px 16px no-repeat;
}
.card:hover { transform: translateY(-3px); border-color: rgba(57, 230, 255, 0.5); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45), 0 0 26px rgba(57, 230, 255, 0.12); }

.card-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.card .drop-no { font-family: var(--font-mono); font-size: 11px; color: var(--cyan); letter-spacing: 0.16em; }
.card .week { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.04em; }
.card h3 { font-family: var(--font-display); font-size: 25px; font-weight: 800; margin: 8px 0 3px; letter-spacing: 0.01em; text-transform: uppercase; line-height: 1.06; }
.card .meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); margin-bottom: 12px; letter-spacing: 0.05em; }
.card .blurb { font-size: 14px; color: var(--text); opacity: 0.9; min-height: 42px; line-height: 1.55; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 16px; }
.badge { font-family: var(--font-mono); font-size: 10.5px; padding: 4px 10px; border: 1px solid rgba(125, 139, 160, 0.28); color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.badge.engine { color: var(--cyan); border-color: rgba(57, 230, 255, 0.4); }

.status { font-family: var(--font-mono); font-size: 10.5px; padding: 4px 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.status.shipped   { color: var(--mint);    background: rgba(77, 255, 184, 0.12);  border: 1px solid rgba(77, 255, 184, 0.45); }
.status.ready     { color: var(--mint);    background: rgba(77, 255, 184, 0.16);  border: 1px solid rgba(77, 255, 184, 0.55); }
.status.in-design { color: var(--volt);    background: rgba(255, 210, 63, 0.12);  border: 1px solid rgba(255, 210, 63, 0.45); }
.status.backlog   { color: var(--muted);   background: rgba(125, 139, 160, 0.1);  border: 1px solid rgba(125, 139, 160, 0.32); }
.status.slipped   { color: var(--magenta); background: rgba(255, 61, 129, 0.12);  border: 1px solid rgba(255, 61, 129, 0.45); }

.card-actions { display: flex; gap: 10px; }
.play {
  flex: 1; text-align: center; font-family: var(--font-ui); font-weight: 700; letter-spacing: 0.05em;
  padding: 11px; font-size: 14px; color: var(--bg); background: var(--card-accent, var(--cyan)); clip-path: var(--cut);
  transition: filter 0.15s;
}
.play:hover { filter: brightness(1.1) drop-shadow(0 0 12px var(--card-accent, var(--cyan))); }
.play.disabled { background: var(--surface); color: var(--muted); pointer-events: none; box-shadow: inset 0 0 0 1px rgba(125, 139, 160, 0.25); }
.src {
  padding: 11px 14px; color: var(--muted); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em;
  background: rgba(18, 24, 38, 0.5); clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px rgba(125, 139, 160, 0.25);
  transition: color 0.15s, box-shadow 0.15s;
}
.src:hover { color: var(--cyan); box-shadow: inset 0 0 0 1px var(--cyan); }

/* ── footer ── */
.foot { text-align: center; color: var(--muted); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; padding: 52px 24px 44px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .btn, .tab, .play, .src { transition: none; }
  .bg-grid { animation: none; }
}