/* ==========================================================================
   SLOTLAB.MY — shared design system
   Every page loads this. Page-specific CSS goes in that page's <style>.
   ========================================================================== */

:root{
  /* surfaces */
  --ink:#060B12;
  --ink-2:#0B1220;
  --ink-3:#111C2E;
  --line:#1B2A3F;
  --glass:rgba(17,28,46,.62);

  /* accent */
  --cyan:#00E5FF;
  --cyan-dim:#0B7C8C;
  --cyan-deep:#063C47;
  --cyan-glow:rgba(0,229,255,.14);

  /* semantic */
  --amber:#FF9E4D;
  --red:#FF5C6E;
  --green:#3DDC97;
  --violet:#8B7CFF;

  /* text */
  --paper:#E6F2F7;
  --muted:#7590A8;
  --faint:#4A6076;

  /* type */
  --display:'Chakra Petch',system-ui,sans-serif;
  --body:'Noto Sans SC','Chakra Petch',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --wrap:1180px;
  --r:7px;
  --shadow:0 12px 40px rgba(0,0,0,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);color:var(--paper);font-family:var(--body);
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  /* room for the mobile tab bar */
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:inherit;text-decoration:none}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
img{max-width:100%;display:block}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sp-t{padding-top:76px}
.sp-b{padding-bottom:76px}
.divider-t{border-top:1px solid var(--line)}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);flex-shrink:0}
.eyebrow.center{justify-content:center}
.eyebrow.live::before{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  box-shadow:0 0 10px var(--green);animation:blip 1.6s ease-in-out infinite;
}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.25}}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08}
.h-xl{font-size:clamp(32px,5.4vw,58px)}
.h-lg{font-size:clamp(27px,4vw,42px)}
.h-md{font-size:clamp(21px,2.8vw,28px)}
.accent{color:var(--cyan)}
.lede{color:var(--muted);font-size:15.5px;max-width:64ch;margin-top:16px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}

.c-cyan{color:var(--cyan)}
.c-amber{color:var(--amber)}
.c-red{color:var(--red)}
.c-green{color:var(--green)}
.c-violet{color:var(--violet)}

/* ---------- nav (rendered by js/site.js) ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--ink) 82%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;gap:26px}
.logo{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.05em;display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--cyan-dim),var(--cyan));
  box-shadow:0 0 18px var(--cyan-glow);
}
.logo-mark svg{width:16px;height:16px;fill:var(--ink)}
.nav-links{display:flex;gap:24px;margin-right:auto;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.nav-links a{color:var(--muted);transition:color .18s;white-space:nowrap}
.nav-links a:hover{color:var(--paper)}
.nav-links a[aria-current="page"]{color:var(--cyan)}
.locale{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;flex-shrink:0}
.locale button{
  background:none;border:0;color:var(--muted);padding:11px 14px;cursor:pointer;
  font-family:var(--mono);font-size:12px;letter-spacing:.04em;transition:.18s;min-height:44px;
}
.locale button:hover{color:var(--paper)}
.locale button[aria-pressed="true"]{background:var(--cyan);color:var(--ink);font-weight:700}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:6px;color:var(--paper);padding:8px 11px;cursor:pointer}
.nav-drop{display:none;flex-direction:column;padding:10px 24px 18px;gap:4px;border-top:1px solid var(--line);background:var(--ink-2)}
.nav-drop.on{display:flex}
.nav-drop a{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:9px 0}
.nav-drop a[aria-current="page"]{color:var(--cyan)}

/* ---------- surfaces ---------- */
.card{border:1px solid var(--line);border-radius:var(--r);background:var(--ink-2)}
.card-glass{
  border:1px solid var(--line);border-radius:12px;background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.card-pad{padding:26px}
.kicker{font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}

/* hairline grid — 1px gaps rendered by the parent background */
.hair{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.hair > *{background:var(--ink-2)}
.hair-2{grid-template-columns:repeat(2,1fr)}
.hair-3{grid-template-columns:repeat(3,1fr)}
.hair-4{grid-template-columns:repeat(4,1fr)}

/* stat cell */
.stat{padding:20px 18px}
.stat b{font-family:var(--mono);font-size:25px;font-weight:700;display:block;line-height:1}
.stat span{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-top:9px}

/* ---------- controls ---------- */
.btn{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
  border:1px solid transparent;border-radius:8px;padding:17px 26px;cursor:pointer;transition:.2s;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;white-space:nowrap;
  min-height:52px;
}
.btn-p{background:var(--cyan);color:var(--ink)}
.btn-p:hover{box-shadow:0 0 28px var(--cyan-glow);transform:translateY(-1px)}
.btn-g{background:none;border-color:var(--line);color:var(--paper)}
.btn-g:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:9px 15px;font-size:10.5px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.field{margin-bottom:20px}
.field:last-child{margin-bottom:0}
.field label{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px;margin-bottom:9px;
}
.field label b{color:var(--cyan);font-size:13px;font-weight:700}
.input,input[type=text],input[type=number],input[type=password],select,textarea{
  width:100%;background:var(--ink);border:1px solid var(--line);border-radius:8px;
  color:var(--paper);font-family:var(--mono);font-size:16px;padding:14px 16px;min-height:50px;
}
input[type=range]{height:38px}
input[type=range]::-webkit-slider-thumb{width:26px;height:26px}
textarea{font-family:var(--body);resize:vertical;min-height:76px;line-height:1.55}
select{cursor:pointer}
input[type=range]{width:100%;accent-color:var(--cyan);cursor:pointer}

.chip{
  font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;
  background:none;border:1px solid var(--line);color:var(--muted);padding:11px 18px;border-radius:7px;
  cursor:pointer;transition:.18s;min-height:44px;display:inline-flex;align-items:center;
}
.chip:hover{border-color:var(--cyan-dim);color:var(--paper)}
.chip[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700}

.tag{
  display:inline-flex;align-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;padding:5px 10px;border-radius:4px;border:1px solid var(--line);color:var(--muted);
}
.tag-accent{border-color:var(--cyan-dim);color:var(--cyan);background:rgba(0,229,255,.07)}

/* ---------- volatility meter ---------- */
.vol{display:inline-flex;gap:3px;align-items:center}
.vol i{width:5px;height:14px;border-radius:1px;background:var(--line);display:block}

/* ---------- note bar ---------- */
.note{
  padding:16px 20px;border:1px solid var(--cyan-dim);border-radius:6px;
  background:rgba(0,229,255,.05);font-size:13.5px;display:flex;gap:14px;line-height:1.7;
}
.note b{color:var(--cyan);font-family:var(--mono);font-size:10px;letter-spacing:.12em;white-space:nowrap;padding-top:3px}

/* ---------- ambient grid backdrop ---------- */
.gridbg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.gridbg.top{
  mask-image:radial-gradient(ellipse 78% 70% at 30% 0%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse 78% 70% at 30% 0%,#000,transparent 76%);
}
.gridbg.centre{
  mask-image:radial-gradient(ellipse 78% 62% at 50% 32%,#000 12%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 32%,#000 12%,transparent 78%);
}
.aurora{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 480px at 78% -6%,rgba(0,229,255,.13),transparent 70%),
    radial-gradient(700px 420px at 6% 6%,rgba(11,124,140,.16),transparent 66%);
}

/* ---------- reveal animation ---------- */
.reveal{animation:reveal .7s cubic-bezier(.2,.7,.3,1) both}
@keyframes reveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.9s ease-out .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);margin-top:80px}
.foot-top{
  max-width:var(--wrap);margin:0 auto;padding:46px 24px 30px;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;
}
.foot h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot a{color:var(--muted);font-size:13.5px;transition:.16s}
.foot a:hover{color:var(--cyan)}
.foot-blurb{color:var(--muted);font-size:13px;max-width:38ch;margin-top:12px;line-height:1.65}
.foot-badges{display:flex;gap:7px;margin-top:14px;flex-wrap:wrap}
.foot-legal{
  max-width:var(--wrap);margin:0 auto;padding:20px 24px 34px;border-top:1px solid var(--line);
  color:var(--faint);font-size:11.5px;line-height:1.75;
}
.foot-legal a{color:var(--cyan-dim)}
.foot-legal a:hover{color:var(--cyan)}

/* ---------- mobile tab bar ----------
   Bottom navigation is the norm on phones here, and it keeps the four main
   destinations reachable with one thumb. Hidden on desktop. */
.tabbar{display:none}
@media(max-width:900px){
  .tabbar{
    display:grid;grid-template-columns:repeat(4,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:color-mix(in srgb,var(--ink-2) 94%,transparent);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tabbar a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    padding:11px 4px 12px;color:var(--muted);transition:color .16s;min-height:62px;
  }
  .tabbar a svg{width:22px;height:22px;fill:currentColor;display:block}
  .tabbar a span{font-family:var(--mono);font-size:9.5px;letter-spacing:.09em;text-transform:uppercase}
  .tabbar a[aria-current="page"]{color:var(--cyan)}
  .tabbar a[aria-current="page"] svg{filter:drop-shadow(0 0 8px var(--cyan-glow))}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .foot{margin-bottom:14px}
}

/* ---------- toast ---------- */
.toast{
  position:fixed;bottom:22px;right:22px;z-index:200;background:var(--ink-3);
  border:1px solid var(--cyan-dim);border-radius:7px;padding:13px 19px;
  font-family:var(--mono);font-size:12px;box-shadow:var(--shadow);
  opacity:0;transform:translateY(10px);transition:.24s;pointer-events:none;max-width:340px;
}
.toast.on{opacity:1;transform:none}
.toast.err{border-color:var(--red);color:var(--red)}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hair-3,.hair-4{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .burger{display:block;margin-left:auto}
  .foot-top{grid-template-columns:1fr 1fr}
  .sp-t{padding-top:52px}.sp-b{padding-bottom:52px}
}
@media(max-width:560px){
  .hair-2,.hair-3,.hair-4{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .wrap{padding:0 20px}
  body{font-size:17.5px}
  .lede{font-size:16.5px;line-height:1.75}
  .h-lg{font-size:30px}
  .h-md{font-size:23px}
  .stat b{font-size:29px}
  .btn{width:100%}
  .card-pad{padding:22px}
  .sp-t{padding-top:44px}.sp-b{padding-bottom:44px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}