/* Notwell Arcade — hub shell */
:root{
  --bg:#0b0e17; --bg-2:#111527; --ink:#eef1ff; --muted:#9aa3c0;
  --line:rgba(255,255,255,.09); --panel:rgba(255,255,255,.055);
  --accent:#8b7cff; --accent-2:#ff6b9d; --lime:#b8f36b;
  --r:22px; --shadow:0 18px 50px rgba(0,0,0,.35);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:ui-rounded,"SF Pro Rounded","Arial Rounded MT Bold",system-ui,-apple-system,Segoe UI,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  min-height:100dvh; padding-top:calc(var(--safe-t) + 0px); overflow-x:hidden;
  touch-action:manipulation;
}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
::selection{background:rgba(139,124,255,.4)}

/* background */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(120% 80% at 50% -10%,#1a2044 0%,transparent 55%),
  linear-gradient(180deg,#0b0e17 0%,#0b0e17 55%,#090b12 100%);}
.blob{position:absolute;display:block;border-radius:50%;filter:blur(70px);opacity:.35;animation:drift 22s ease-in-out infinite alternate}
.b1{width:46vw;height:46vw;min-width:320px;min-height:320px;background:#4f3bff;left:-12vw;top:-10vw}
.b2{width:40vw;height:40vw;min-width:280px;min-height:280px;background:#ff2e73;right:-10vw;top:18vh;animation-delay:-7s}
.b3{width:36vw;height:36vw;min-width:260px;min-height:260px;background:#00c2a8;left:22vw;bottom:-18vw;animation-delay:-13s;opacity:.22}
@keyframes drift{to{transform:translate3d(4vw,3vh,0) scale(1.12)}}
.grain{position:absolute;inset:0;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
@media (prefers-reduced-motion:reduce){.blob{animation:none}}

/* top bar */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px clamp(16px,4vw,40px);
  background:linear-gradient(180deg,rgba(11,14,23,.92),rgba(11,14,23,.55) 70%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;letter-spacing:.14em;font-size:13px}
.brand-text b{color:var(--lime);font-weight:900}
.brand-mark{display:grid;grid-template-columns:1fr 1fr;gap:2px;width:26px;height:26px;padding:4px;border-radius:8px;
  background:linear-gradient(145deg,#211a4d,#151a33);box-shadow:inset 0 0 0 1px var(--line)}
.brand-mark i{border-radius:2px;background:var(--accent)}
.brand-mark i:nth-child(2){background:var(--accent-2)}
.brand-mark i:nth-child(3){background:var(--lime)}
.brand-mark i:nth-child(4){background:#4fd8ff}
.topbar-actions{display:flex;align-items:center;gap:10px}
.net{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);white-space:nowrap}
.net .dot{width:7px;height:7px;border-radius:50%;background:#48d17b;box-shadow:0 0 10px #48d17b}
.net.off .dot{background:#ffd159;box-shadow:0 0 10px #ffd159}
.icon-btn{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--panel);
  border-radius:999px;padding:9px 14px;font-size:13px;font-weight:700;color:var(--ink);transition:.18s}
.icon-btn:hover{background:rgba(255,255,255,.1)}
.icon-btn:active{transform:scale(.97)}

/* layout */
main{width:min(1180px,100%);margin:0 auto;padding:clamp(14px,3vw,32px) clamp(16px,4vw,40px) 24px}

/* hero */
.hero{padding:clamp(26px,6vw,64px) 0 clamp(20px,4vw,34px);max-width:820px}
.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 18px;font-size:11.5px;font-weight:800;letter-spacing:.22em;color:#c8c2ff}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 0 rgba(184,243,107,.5);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(184,243,107,0)}100%{box-shadow:0 0 0 0 rgba(184,243,107,0)}}
h1{font-size:clamp(40px,8.5vw,78px);line-height:.98;letter-spacing:-.045em;margin:0 0 20px;font-weight:900}
.grad{background:linear-gradient(100deg,#a99bff 0%,#ff8ab4 52%,#ffd479 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(15px,1.7vw,18px);line-height:1.55;color:#b9c0d8;max-width:56ch;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:15px;padding:14px 22px;
  font-weight:800;font-size:15px;text-decoration:none;border:1px solid transparent;transition:.18s;white-space:nowrap}
.btn.primary{background:linear-gradient(135deg,#8b7cff,#ff5f96);color:#fff;box-shadow:0 12px 34px rgba(139,124,255,.35)}
.btn.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn.primary:active{transform:scale(.98)}
.btn.ghost{background:var(--panel);border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.hero-stats{display:flex;gap:clamp(22px,5vw,48px);list-style:none;margin:0;padding:0}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:clamp(22px,3vw,30px);letter-spacing:-.03em}
.hero-stats span{font-size:12px;color:var(--muted);letter-spacing:.02em}

/* shelf */
.shelf{scroll-margin-top:80px}
.shelf-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.03em;margin:0 0 3px}
.muted{color:var(--muted);font-size:13.5px;margin:0}
.search{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);
  border-radius:999px;padding:10px 15px;min-width:min(280px,100%);transition:.18s}
.search:focus-within{border-color:rgba(139,124,255,.7);box-shadow:0 0 0 4px rgba(139,124,255,.14)}
.search span{color:var(--muted);font-size:19px;line-height:1;transform:translateY(-1px)}
.search input{border:0;background:transparent;outline:0;font-size:14px;width:100%;min-width:0}
.search input::placeholder{color:#7e87a3}
.search input::-webkit-search-cancel-button{filter:invert(1);opacity:.5}

.control-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:13px 15px;margin:0 0 14px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
.diff-control{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.control-label{font-size:11.5px;font-weight:800;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.seg{display:flex;background:#0a0d17;border:1px solid var(--line);border-radius:12px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;border-radius:9px;padding:8px 14px;font-size:13px;font-weight:800;color:#9ca5c2;transition:.16s}
.seg button:hover{color:#dfe4ff}
.seg button[aria-pressed="true"]{background:linear-gradient(135deg,#7b6cf0,#e85b8e);color:#fff;box-shadow:0 4px 14px rgba(123,108,240,.4)}
.seg button[data-diff="easy"][aria-pressed="true"]{background:linear-gradient(135deg,#22b573,#7bd88f);box-shadow:0 4px 14px rgba(34,181,115,.35)}
.seg button[data-diff="hard"][aria-pressed="true"]{background:linear-gradient(135deg,#e8434f,#ff8a3d);box-shadow:0 4px 14px rgba(232,67,79,.35)}
.diff-note{margin:0;font-size:12.5px;color:var(--muted);flex:1;text-align:right;min-width:180px}

.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 14px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;border:1px solid var(--line);background:transparent;color:#aab2cc;border-radius:999px;
  padding:8px 15px;font-size:13px;font-weight:700;transition:.16s}
.chip:hover{border-color:rgba(255,255,255,.24);color:#fff}
.chip[aria-pressed="true"]{background:#eef1ff;color:#0b0e17;border-color:#eef1ff}
.chip-n{font-size:11px;opacity:.55;margin-left:2px}

/* recent */
.recent{margin:2px 0 20px;padding:14px 16px;border:1px dashed rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.022)}
.recent h3{margin:0 0 10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.recent-list{display:flex;gap:8px;flex-wrap:wrap}
.recent-pill{display:flex;align-items:center;gap:8px;text-decoration:none;background:var(--panel);border:1px solid var(--line);
  border-radius:999px;padding:7px 13px 7px 8px;font-size:13px;font-weight:700;transition:.16s}
.recent-pill:hover{background:rgba(255,255,255,.1)}
.recent-pill .e{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font-size:14px;background:#1a1f36}

/* game grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{
  position:relative;display:flex;flex-direction:column;gap:14px;text-decoration:none;
  background:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--line);border-radius:var(--r);padding:16px;overflow:hidden;
  transition:transform .18s,border-color .18s,box-shadow .18s;min-height:200px;
}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(90% 70% at 15% 0%,color-mix(in srgb,var(--a) 22%,transparent),transparent 70%);opacity:.75}
.card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.22);box-shadow:var(--shadow)}
.card:active{transform:scale(.99)}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;position:relative;z-index:1}
.game-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:17px;font-size:29px;
  background:linear-gradient(145deg,var(--a),var(--b));box-shadow:0 10px 24px color-mix(in srgb,var(--a) 35%,transparent),inset 0 1px 0 rgba(255,255,255,.4)}
.badge{font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;padding:5px 9px;border-radius:999px;
  background:rgba(184,243,107,.14);color:var(--lime);border:1px solid rgba(184,243,107,.28)}
.badge.hot{background:rgba(255,107,157,.14);color:#ff9dbb;border-color:rgba(255,107,157,.3)}
.card-body{display:flex;flex-direction:column;gap:6px;flex:1;position:relative;z-index:1}
.card h3{margin:0;font-size:20px;letter-spacing:-.02em;line-height:1.15}
.card p{margin:0;font-size:13.5px;line-height:1.45;color:#aab2cc}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px}
.tag{font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#c5cbe2;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:4px 8px;border-radius:7px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;position:relative;z-index:1;
  padding-top:11px;border-top:1px solid rgba(255,255,255,.08);font-size:11.5px;color:var(--muted)}
.diff-dots{display:flex;gap:3px;align-items:center}
.diff-dots i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.18)}
.diff-dots i.on{background:var(--lime)}
.card .go{font-weight:800;color:#dfe4ff;display:flex;align-items:center;gap:5px;white-space:nowrap}
.card .go span{transition:transform .18s}
.card:hover .go span{transform:translateX(3px)}
.best{color:#cdd4ea;font-weight:700}

/* empty + pitch */
.empty{text-align:center;color:var(--muted);padding:50px 10px;font-size:15px}
.link{background:none;border:0;color:#c0b8ff;text-decoration:underline;padding:0;font-weight:700}
.pitch{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin:38px 0 12px}
.pitch-card{display:flex;gap:15px;align-items:flex-start;background:rgba(255,255,255,.035);border:1px solid var(--line);
  border-radius:20px;padding:20px}
.pitch-emoji{display:grid;place-items:center;width:44px;height:44px;flex:0 0 auto;border-radius:13px;background:rgba(139,124,255,.16);font-size:22px}
.pitch-card h3{margin:1px 0 5px;font-size:16px}
.pitch-card p{margin:0;font-size:13px;line-height:1.5;color:var(--muted)}

.site-footer{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;padding:26px 20px calc(26px + var(--safe-b));
  color:#6f7896;font-size:12px;letter-spacing:.04em}

/* dialog */
.modal{border:1px solid var(--line);border-radius:20px;background:#141931;color:var(--ink);padding:26px;max-width:min(420px,90vw);box-shadow:var(--shadow)}
.modal::backdrop{background:rgba(4,6,12,.7);backdrop-filter:blur(6px)}
.modal h2{margin:0 0 10px;font-size:21px}
.modal p{color:#b9c0d8;line-height:1.55;font-size:14px;margin:0 0 18px}
.modal .btn{width:100%}

@media (max-width:560px){
  .topbar{padding:12px 16px}
  .brand{letter-spacing:.08em;font-size:11.5px}
  .net{display:none}
  .hero-stats{gap:20px}
  .diff-note{text-align:left;min-width:0;flex:1 1 100%}
  .grid{grid-template-columns:1fr 1fr;gap:10px}
  .card{padding:12px;min-height:0;gap:10px;border-radius:18px}
  .game-icon{width:44px;height:44px;font-size:22px;border-radius:13px}
  .card h3{font-size:15px}
  .card p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .tags{display:none}
  .card-foot{font-size:10.5px;padding-top:8px}
  .diff-dots{display:none}
  .badge{font-size:8px;padding:4px 6px}
  .hero-actions .btn{flex:1}
}
@media (max-width:360px){
  .grid{grid-template-columns:1fr}
}