/* Aspen Technologies — design system (essential-canvas ethos).
   Near-black, one electric-calm blue, soft whites, fully-rounded glassy/blue pills,
   Inter Tight + JetBrains Mono, breathing dot, subtle grain. Mobile-first. */

:root{
  --radius:0.875rem;
  --background:oklch(0.14 0.005 260);
  --foreground:oklch(0.95 0.005 260);
  --card:oklch(0.17 0.006 260);
  --card-2:oklch(0.19 0.007 260);
  --secondary:oklch(0.22 0.008 260);
  --muted:oklch(0.20 0.006 260);
  --muted-foreground:oklch(0.60 0.012 260);
  --primary:oklch(0.68 0.16 245);
  --primary-foreground:oklch(0.12 0.01 260);
  --primary-glow:oklch(0.78 0.18 240);
  --border:oklch(1 0 0 / 8%);
  --hairline:oklch(1 0 0 / 6%);
  --shadow-blue:0 0 0 1px oklch(0.68 0.16 245 / 25%), 0 8px 32px -8px oklch(0.68 0.16 245 / 35%);
  --shadow-blue-hover:0 0 0 1px oklch(0.68 0.16 245 / 45%), 0 12px 40px -8px oklch(0.68 0.16 245 / 55%);
  --shadow-soft:0 18px 50px -20px oklch(0 0 0 / 0.7);
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  background:var(--background);color:var(--foreground);
  font-family:'Inter Tight',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;position:relative;overflow-x:hidden;letter-spacing:-0.005em;
}
::selection{background:oklch(0.68 0.16 245 / 35%);color:var(--foreground)}
a{color:inherit;text-decoration:none}

.mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-feature-settings:"ss01","cv11";letter-spacing:-0.01em}
.label{font-family:'JetBrains Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted-foreground)}

/* atmosphere */
.halo{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,28%), oklch(0.68 0.16 245 / .08), transparent 60%);}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.025;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");}

/* buttons — the signature pills */
.btn-blue,.btn-quiet{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.7rem 1.15rem;border-radius:999px;font-size:.82rem;font-weight:500;letter-spacing:-0.005em;cursor:pointer;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .5s cubic-bezier(.2,.8,.2,1),background .4s,border-color .4s,filter .4s;}
.btn-blue{color:var(--primary-foreground);background:linear-gradient(180deg,var(--primary-glow),var(--primary));
  border:1px solid oklch(0.78 0.18 240 / 30%);box-shadow:var(--shadow-blue);}
.btn-blue:hover{box-shadow:var(--shadow-blue-hover);filter:brightness(1.06)}
.btn-blue:active{transform:translateY(.5px)}
.btn-quiet{color:var(--foreground);background:oklch(1 0 0 / 3%);border:1px solid oklch(1 0 0 / 8%);backdrop-filter:blur(8px)}
.btn-quiet:hover{background:oklch(1 0 0 / 5%);border-color:oklch(1 0 0 / 14%)}
.btn-full{width:100%}

/* breathing live dot + spinner */
.dot-live{display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--primary);
  box-shadow:0 0 12px oklch(0.68 0.16 245 / .7);animation:breathe 3.6s ease-in-out infinite;flex:none}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.spin{width:11px;height:11px;border:1.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* entrance motion */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes riseBlur{from{opacity:0;transform:translateY(14px);filter:blur(8px)}to{opacity:1;transform:none;filter:blur(0)}}
.reveal{opacity:0;animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards}
.reveal-blur{opacity:0;animation:riseBlur 1.2s cubic-bezier(.2,.8,.2,1) forwards}
.in{animation:rise .55s cubic-bezier(.2,.8,.2,1) forwards}
.card,.tl-item{opacity:0}

/* ===================== LANDING ===================== */
.land{position:relative;z-index:2;min-height:100svh;display:flex;flex-direction:column}
.frame{position:fixed;z-index:2;pointer-events:none}
.frame.t{left:24px;right:24px;top:24px;height:1px;background:var(--hairline)}
.frame.b{left:24px;right:24px;bottom:24px;height:1px;background:var(--hairline)}
.frame.l{top:24px;bottom:24px;left:24px;width:1px;background:var(--hairline)}
.frame.r{top:24px;bottom:24px;right:24px;width:1px;background:var(--hairline)}
.land-bar{display:flex;align-items:center;justify-content:space-between;padding:34px clamp(22px,6vw,44px) 0}
.land-bar .mono{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted-foreground);display:flex;align-items:center;gap:8px}
.land-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 22px}
.land-eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:.32em;color:var(--muted-foreground)}
.land-main h1{margin-top:24px;font-size:clamp(2.3rem,8.5vw,5rem);font-weight:500;line-height:.95;letter-spacing:-0.035em}
.land-main h1 .dim{color:var(--muted-foreground)}
.land-sub{margin-top:26px;max-width:30ch;font-size:.95rem;line-height:1.6;color:var(--muted-foreground)}
.land-cta{margin-top:38px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.land-foot{display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,6vw,44px) 34px}
.land-foot .mono{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--muted-foreground)}
.land-foot .foot-link{transition:color .3s}
.land-foot .foot-link:hover{color:var(--foreground)}

/* ===================== SECURE LOADER ===================== */
.secure{position:fixed;inset:0;z-index:90;background:var(--background);display:grid;place-items:center;transition:opacity .6s ease}
.secure.gone{opacity:0;pointer-events:none}
.secure .si{display:flex;flex-direction:column;align-items:center;gap:16px}
.secure .sl{font-family:'JetBrains Mono',monospace;font-size:12px;text-transform:uppercase;letter-spacing:.28em;color:var(--muted-foreground);display:flex;align-items:center;gap:9px}
.secure .sbar{width:128px;height:2px;background:var(--hairline);border-radius:2px;overflow:hidden}
.secure .sbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary-glow),var(--primary));box-shadow:0 0 10px oklch(0.68 0.16 245 / .6);animation:fillbar 1.1s cubic-bezier(.4,0,.2,1) forwards}
@keyframes fillbar{to{width:100%}}

/* ===================== GATE ===================== */
.gate{position:relative;z-index:3;min-height:100svh;display:grid;place-items:center;text-align:center;padding:40px}
.gate h2{font-size:clamp(1.8rem,6vw,2.6rem);font-weight:500;letter-spacing:-0.03em;margin:14px 0 10px}
.gate p{color:var(--muted-foreground);max-width:40ch;margin:0 auto;line-height:1.6;font-size:.95rem}

/* ===================== PORTAL ===================== */
.portal{position:relative;z-index:3;min-height:100svh;display:flex;flex-direction:column}
.pbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,26px);background:oklch(0.14 0.005 260 / .82);backdrop-filter:blur(14px);border-bottom:1px solid var(--hairline)}
.brand{display:flex;align-items:center;gap:10px}
.brand b{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.sess{display:flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted-foreground)}
.sess b{color:var(--foreground);font-weight:500}

.stage{display:flex;flex-direction:column;flex:1;min-height:0}

/* correspondence */
.corr{padding:20px clamp(16px,4vw,26px) 4px}
.corr .label{margin-bottom:12px}
.rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.msg{min-width:82%;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 17px;box-shadow:var(--shadow-soft)}
.msg .from{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.msg .from b{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;font-family:'JetBrains Mono',monospace}
.msg .from time{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-foreground);font-family:'JetBrains Mono',monospace}
.msg p{font-size:14px;line-height:1.55;color:var(--foreground)}
.msg p+p{margin-top:8px;color:var(--muted-foreground)}
.awaiting{display:inline-flex;align-items:center;align-self:flex-start;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-foreground);border:1px dashed var(--border);border-radius:999px;padding:8px 14px;white-space:nowrap}

/* inbox (half 1) — embedded video object + link-boxes */
.inbox{padding:18px clamp(16px,4vw,26px) 8px;display:flex;flex-direction:column;gap:14px}
.vid-embed{width:100%;height:clamp(300px,52vh,560px);border:1px solid var(--border);border-radius:var(--radius);background:#04101d;display:block;box-shadow:var(--shadow-soft)}
.inbox-list{display:flex;gap:12px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.inbox-list::-webkit-scrollbar{display:none}
.link-box{flex:none;min-width:78%;scroll-snap-align:start;display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--foreground);
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow-soft);
  transition:border-color .3s,background .3s,transform .3s}
.link-box:hover{border-color:oklch(0.68 0.16 245 / .4);background:var(--card-2)}
.link-box:active{transform:translateY(.5px)}
.link-box .lb-ic{width:30px;height:30px;flex:none;border-radius:999px;display:grid;place-items:center;font-size:10px;color:var(--primary-foreground);background:linear-gradient(180deg,var(--primary-glow),var(--primary));box-shadow:var(--shadow-blue)}
.link-box .lb-tx{flex:1;font-size:14px;font-weight:500;letter-spacing:-0.01em}
.link-box .lb-ar{color:var(--muted-foreground);font-size:13px}

/* workspace */
.work{position:relative;padding:14px clamp(16px,4vw,26px) 30px;flex:1;min-height:0}
.note{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:16px;box-shadow:var(--shadow-soft)}
.note .vhead{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-bottom:1px solid var(--hairline)}
.note .vhead .l{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);display:flex;align-items:center;gap:8px}
.note .vhead .x{cursor:pointer;color:var(--muted-foreground);font-size:18px;line-height:1;padding:0 4px}
.note .vbody{position:relative;aspect-ratio:16/9;display:grid;place-items:center;background:radial-gradient(360px 180px at 50% 30%, oklch(0.68 0.16 245 / .18), transparent),oklch(0.12 0.01 260)}
.note .play{width:54px;height:54px;border-radius:999px;display:grid;place-items:center;cursor:pointer;color:var(--primary-foreground);
  background:linear-gradient(180deg,var(--primary-glow),var(--primary));box-shadow:var(--shadow-blue);font-size:15px;transition:transform .35s,box-shadow .4s}
.note .play:hover{transform:scale(1.06);box-shadow:var(--shadow-blue-hover)}
.note .vchip{position:absolute;left:11px;bottom:11px;font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-foreground);background:oklch(0.14 0.005 260 / .7);padding:4px 9px;border-radius:999px;border:1px solid var(--hairline)}
.note .vcap{padding:13px 14px 4px;font-size:14px;color:var(--foreground)}
.note .vlinks{display:flex;gap:8px;padding:12px 14px 14px;flex-wrap:wrap}
.note .vlinks a{font-size:.78rem;padding:.55rem .9rem}

.tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-foreground);
  background:oklch(1 0 0 / 3%);border:1px solid var(--border);border-radius:999px;padding:8px 15px;cursor:pointer;transition:color .3s,background .3s,border-color .3s}
.tab:hover{color:var(--foreground)}
.tab.active{color:var(--primary-foreground);background:linear-gradient(180deg,var(--primary-glow),var(--primary));border-color:transparent;box-shadow:var(--shadow-blue)}

.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:6px}
.panel-head h3{font-size:1.45rem;font-weight:500;letter-spacing:-0.025em}
.status{display:flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-foreground);text-align:right}
.pp{font-size:13.5px;line-height:1.6;color:var(--muted-foreground);margin-bottom:20px;max-width:64ch}

.view{display:none}
.view.active{display:block}
.cards{display:grid;grid-template-columns:1fr;gap:12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 17px}
.card.in{animation:rise .55s cubic-bezier(.2,.8,.2,1) forwards}
.card .role{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.card .nm{font-size:1.12rem;font-weight:500;letter-spacing:-0.02em;margin-bottom:7px}
.card .desc{font-size:13px;line-height:1.55;color:var(--muted-foreground)}

.tl{position:relative;padding-left:24px}
.tl::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--hairline)}
.tl-item{position:relative;margin-bottom:20px}
.tl-item.in{animation:rise .55s cubic-bezier(.2,.8,.2,1) forwards}
.tl-item::before{content:"";position:absolute;left:-23px;top:4px;width:9px;height:9px;border-radius:999px;background:var(--background);border:1.5px solid var(--primary);box-shadow:0 0 10px oklch(0.68 0.16 245 / .5)}
.tl-item time{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);display:block;margin-bottom:5px}
.tl-item .t{font-size:1.05rem;font-weight:500;letter-spacing:-0.02em;margin-bottom:4px}
.tl-item .d{font-size:13px;color:var(--muted-foreground);line-height:1.55;max-width:64ch}

/* return-login (inline on mobile) */
.return{margin:8px clamp(16px,4vw,26px) 26px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft)}
.return .rh{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;border-bottom:1px solid var(--hairline)}
.return .rh b{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary)}
.return .rh .min{cursor:pointer;color:var(--muted-foreground);font-size:18px;line-height:1;padding:0 4px}
.return .rb{padding:15px}
.return .rb p{font-size:13px;color:var(--muted-foreground);line-height:1.5;margin-bottom:13px}
.return input{width:100%;background:oklch(1 0 0 / 4%);border:1px solid var(--border);border-radius:10px;padding:11px 13px;color:var(--foreground);font-family:inherit;font-size:14px;margin-bottom:9px}
.return input::placeholder{color:var(--muted-foreground)}
.return input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px oklch(0.68 0.16 245 / .15)}
.return .or{text-align:center;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-foreground);margin-top:12px}
.return.collapsed .rb{display:none}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--card);border:1px solid var(--border);color:var(--foreground);
  padding:12px 18px;border-radius:999px;font-size:.8rem;z-index:99;box-shadow:var(--shadow-soft);max-width:90vw;text-align:center}

/* ===================== DESKTOP ===================== */
@media(min-width:900px){
  .stage{display:grid;grid-template-columns:minmax(330px,1fr) 2.3fr;min-height:calc(100svh - 58px)}
  .inbox{border-right:1px solid var(--hairline);overflow-y:auto;padding:24px 22px}
  .vid-embed{height:clamp(380px,64vh,660px)}
  .inbox-list{flex-direction:column;overflow:visible}
  .link-box{min-width:0}
  .work{padding:24px 30px 40px;overflow-y:auto}
  .cards{grid-template-columns:repeat(auto-fill,minmax(244px,1fr))}
  .panel-head h3{font-size:1.9rem}
  .return{position:fixed;right:22px;bottom:22px;width:330px;margin:0;z-index:60}
}
@media(min-width:1200px){
  .cards{grid-template-columns:repeat(auto-fill,minmax(248px,1fr))}
}