/* ============================================================
   PLAYPULSE — design system
   Ticket/scoreboard aesthetic. Mobile-first. No frameworks.
   ============================================================ */

:root{
  --bg:#F4F6F5;
  --surface:#FFFFFF;
  --ink:#10131A;
  --ink-soft:#4B5262;
  --line: rgba(16,19,26,0.12);
  --line-strong: rgba(16,19,26,0.22);

  --blue:#2B5FFF;
  --blue-ink:#1A3FCC;
  --coral:#FF4D6D;
  --coral-ink:#D4324F;
  --yellow:#FFC93C;
  --lime:#22B573;

  --radius-s:10px;
  --radius-m:16px;
  --radius-l:26px;

  --shadow-card: 0 1px 0 rgba(16,19,26,0.04), 0 8px 20px -12px rgba(16,19,26,0.25);
  --shadow-pop: 0 14px 32px -14px rgba(16,19,26,0.35);

  --font-display:'Archivo Black', 'Arial Black', sans-serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --touch:48px;
  --container:1080px;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0E1116;
    --surface:#171B24;
    --ink:#F4F6F5;
    --ink-soft:#A7AFC0;
    --line: rgba(244,246,245,0.10);
    --line-strong: rgba(244,246,245,0.20);
  }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.45;
  overflow-x:hidden;
  min-height:100vh;
}
img,svg,canvas{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }
h1,h2,h3{ font-family:var(--font-display); line-height:1.05; margin:0 0 .4em; letter-spacing:-0.01em; }
p{ margin:0 0 1em; color:var(--ink-soft); }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 18px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* Focus visibility */
:focus-visible{ outline:3px solid var(--blue); outline-offset:2px; border-radius:6px; }

/* ---------------- Header ---------------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:64px; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-size:20px; }
.brand .dot{
  width:12px; height:12px; border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 4px rgba(255,77,109,0.18);
  animation:pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot{ 0%,100%{ transform:scale(1);} 50%{ transform:scale(1.3);} }
.nav-links{ display:none; gap:22px; font-weight:600; font-size:14px; }
.nav-links a:hover{ color:var(--blue); }
@media (min-width:760px){ .nav-links{ display:flex; } }
.streak-chip{
  display:flex; align-items:center; gap:6px;
  font-family:var(--font-mono); font-size:13px; font-weight:600;
  background:var(--surface); border:1px solid var(--line); border-radius:999px;
  padding:6px 12px;
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:var(--touch); padding:0 22px;
  border-radius:999px; border:2px solid var(--ink); background:var(--ink); color:var(--bg);
  font-weight:700; font-size:15px; cursor:pointer; white-space:nowrap;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:active{ transform:scale(.96); }
.btn-primary{ background:var(--coral); border-color:var(--coral); color:#fff; }
.btn-primary:hover{ box-shadow:var(--shadow-pop); }
.btn-outline{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn-block{ width:100%; }
.btn-lg{ min-height:56px; padding:0 30px; font-size:17px; }
.btn-sm{ min-height:38px; padding:0 16px; font-size:13px; }
.btn-ghost{ background:transparent; border-color:transparent; color:var(--blue); padding:0 8px; }
.icon-btn{
  width:var(--touch); height:var(--touch); border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--surface); border:1px solid var(--line); cursor:pointer;
}

/* ---------------- Hero ---------------- */
.hero{ padding:44px 0 30px; position:relative; }
.hero h1{ font-size:clamp(38px,9vw,64px); }
.hero .lede{ font-size:18px; max-width:520px; color:var(--ink-soft); }
.hero-cta{ display:flex; gap:12px; margin-top:20px; flex-wrap:wrap; }
.pulse-line{ width:100%; height:46px; margin-top:26px; }
.pulse-line path{ stroke:var(--coral); stroke-width:3; fill:none; stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray:600; stroke-dashoffset:600; animation:draw 2.2s ease forwards .2s; }
@keyframes draw{ to{ stroke-dashoffset:0; } }

/* ---------------- Sections ---------------- */
.section{ padding:30px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:14px; gap:10px; }
.section-head h2{ font-size:22px; display:flex; align-items:center; gap:8px; }
.section-head a{ font-size:13px; font-weight:700; color:var(--blue); white-space:nowrap; }
.hscroll{
  display:flex; gap:14px; overflow-x:auto; padding:4px 2px 14px;
  scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar{ height:6px; }
.hscroll::-webkit-scrollbar-thumb{ background:var(--line-strong); border-radius:4px; }
.hscroll > *{ scroll-snap-align:start; flex:0 0 auto; }

.grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
@media (min-width:600px){ .grid{ grid-template-columns:repeat(3,1fr); } }
@media (min-width:900px){ .grid{ grid-template-columns:repeat(4,1fr); } }

/* ---------------- Ticket / Game card ---------------- */
.ticket{
  position:relative; width:168px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  padding:14px 14px 16px;
}
.grid .ticket{ width:auto; }
.ticket::before,.ticket::after{
  content:""; position:absolute; width:16px; height:16px; background:var(--bg);
  border-radius:50%; top:50%; transform:translateY(-50%);
}
.ticket::before{ left:-9px; }
.ticket::after{ right:-9px; }
.ticket .glyph{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  font-size:22px; margin-bottom:10px;
}
.ticket h3{ font-size:15px; font-family:var(--font-body); font-weight:800; margin-bottom:2px; }
.ticket p{ font-size:12.5px; margin-bottom:10px; }
.ticket .tear{ border-top:2px dashed var(--line-strong); margin:10px -14px 10px; }
.ticket .meta{ display:flex; justify-content:space-between; align-items:center; font-size:11px; color:var(--ink-soft); }
.ticket .play{
  display:block; text-align:center; margin-top:10px; min-height:40px; line-height:40px;
  border-radius:999px; background:var(--ink); color:var(--bg); font-weight:700; font-size:13px;
}
.ticket:hover .play{ background:var(--coral); }
.badge{ display:inline-block; font-size:10px; font-weight:800; letter-spacing:.04em; text-transform:uppercase;
  padding:3px 8px; border-radius:999px; }
.badge-new{ background:var(--lime); color:#fff; }
.badge-hot{ background:var(--coral); color:#fff; }
.badge-daily{ background:var(--yellow); color:#3a2a00; }

/* Category pill nav */
.pill-row{ display:flex; gap:8px; overflow-x:auto; padding:2px; margin:14px 0 24px; }
.pill{
  flex:0 0 auto; padding:9px 16px; border-radius:999px; border:1px solid var(--line);
  background:var(--surface); font-weight:700; font-size:13px; white-space:nowrap;
}
.pill.active{ background:var(--ink); color:var(--bg); border-color:var(--ink); }

/* Daily challenge banner */
.daily-banner{
  background:linear-gradient(135deg, var(--yellow), #ffe9a8);
  border-radius:var(--radius-l); padding:24px; color:#3a2a00; position:relative; overflow:hidden;
}
.daily-banner h2{ color:#3a2a00; font-size:24px; }
.daily-banner .id{ font-family:var(--font-mono); font-size:12px; opacity:.75; }

/* ---------------- Game page shell ---------------- */
.game-shell{ padding:10px 0 40px; }
.game-head{ margin-bottom:10px; }
.breadcrumb{ font-size:12px; color:var(--ink-soft); margin-bottom:8px; }
.breadcrumb a{ color:var(--blue); }
.hud{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m);
  padding:12px 16px; margin-bottom:12px;
}
.hud-stat{ text-align:center; min-width:64px; }
.hud-stat .num{ font-family:var(--font-mono); font-size:20px; font-weight:700; }
.hud-stat .lbl{ font-size:10px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); }
.hud-controls{ display:flex; gap:8px; }

.stage{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-l);
  min-height:min(62vh,480px); display:flex; align-items:center; justify-content:center; flex-direction:column;
  position:relative; overflow:hidden; touch-action:none; padding:16px;
}
.stage-inner{ width:100%; height:100%; display:flex; align-items:center; justify-content:center; flex-direction:column; }

.overlay{
  position:absolute; inset:0; background:color-mix(in srgb, var(--surface) 92%, transparent);
  display:flex; align-items:center; justify-content:center; flex-direction:column; text-align:center; gap:14px; padding:24px;
  backdrop-filter:blur(2px);
}
.overlay h3{ font-size:26px; }
.overlay .score-big{ font-family:var(--font-mono); font-size:56px; font-weight:700; line-height:1; }
.overlay .row-btns{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }

.instructions{
  margin-top:16px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m); padding:16px 18px;
}
.instructions h2{ font-size:16px; }
.instructions ol,.instructions ul{ padding-left:20px; margin:0; color:var(--ink-soft); font-size:14px; }
.instructions li{ margin-bottom:4px; }

.faq details{ border-top:1px solid var(--line); padding:12px 0; }
.faq summary{ cursor:pointer; font-weight:700; font-size:14px; }
.faq p{ margin-top:8px; font-size:13px; }

/* share row */
.share-row{ display:flex; gap:8px; flex-wrap:wrap; justify-content:center; }
.share-chip{
  width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--ink); color:#fff; font-weight:700; font-size:14px; cursor:pointer; border:none;
}
.share-chip.wa{ background:#25D366; } .share-chip.fb{ background:#1877F2; }
.share-chip.x{ background:#000; } .share-chip.msg{ background:#00B2FF; }
.share-chip.copy{ background:var(--blue); }

/* toast */
.toast{
  position:fixed; left:50%; bottom:22px; transform:translate(-50%,120%);
  background:var(--ink); color:var(--bg); padding:10px 18px; border-radius:999px; font-size:13px; font-weight:600;
  transition:transform .25s ease; z-index:80; box-shadow:var(--shadow-pop);
}
.toast.show{ transform:translate(-50%,0); }

/* footer */
.site-footer{ border-top:1px solid var(--line); margin-top:40px; padding:30px 0 50px; }
.site-footer .cols{ display:flex; flex-wrap:wrap; gap:30px; justify-content:space-between; }
.site-footer h4{ font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); margin-bottom:10px; }
.site-footer a{ display:block; font-size:14px; padding:4px 0; color:var(--ink-soft); }
.site-footer a:hover{ color:var(--blue); }
.fine{ font-size:12px; color:var(--ink-soft); margin-top:24px; }

/* ad slots — AdSense-ready. Never placed over game controls or between a
   button and the action it triggers (spec section 28/29). */
.ad-slot{
  margin:22px auto; max-width:100%; min-height:90px;
  display:flex; align-items:center; justify-content:center;
  border:1px dashed var(--line-strong); border-radius:12px;
  color:var(--ink-soft); font-size:11px; text-transform:uppercase; letter-spacing:.08em;
  background:var(--surface);
}

/* generic elements used by games */
.big-num{ font-family:var(--font-mono); font-weight:700; }
.flex-center{ display:flex; align-items:center; justify-content:center; }
.tag-row{ display:flex; gap:6px; flex-wrap:wrap; justify-content:center; margin-top:6px; }
.kbd{ font-family:var(--font-mono); background:var(--bg); border:1px solid var(--line); border-radius:6px; padding:1px 6px; font-size:12px; }

/* mute toggle */
.sound-toggle{ font-size:18px; }

/* utility */
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.center{ text-align:center; }
.mt-0{margin-top:0} .mb-0{margin-bottom:0}