:root{
  --bg0:#03111E; --bg1:#071827; --panel:#0A1D2F; --panel2:#0c2337;
  --border:rgba(76,201,240,0.28); --border-soft:rgba(76,201,240,0.14);
  --cyan:#32D6F4; --cyan-bright:#56E7FF; --white:#F3F0E9; --muted:#89A4B8;
  --lime:#B7F34A; --amber:#F6B737; --yt:#FF4D45;
  --serif:'Instrument Serif',Georgia,serif; --ui:'Inter',system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1200px 700px at 50% -10%,#0a2237 0%,var(--bg1) 45%,var(--bg0) 100%);
  color:var(--white);font-family:var(--ui);line-height:1.55;-webkit-font-smoothing:antialiased;
  min-height:100vh;overflow-x:hidden;position:relative;
  padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan-bright)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--cyan);color:#00131f;padding:8px 14px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--cyan-bright);outline-offset:2px;border-radius:4px}

/* background layers */
.bg-layer{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
#wave-canvas{position:absolute;bottom:0;left:0;width:100%;height:55%;opacity:.55}
.grid-overlay{position:absolute;inset:0;
  background-image:linear-gradient(rgba(76,201,240,0.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(76,201,240,0.045) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(1000px 600px at 50% 30%,#000 30%,transparent 80%)}
.molecule{position:absolute;top:70px;right:2%;width:min(360px,32vw);opacity:.6;filter:drop-shadow(0 0 18px rgba(50,214,244,.25))}
@media(max-width:820px){.molecule{display:none}}

/* header */
.site-header{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;padding:20px 22px;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 0 8px rgba(50,214,244,.4))}
.brand-text{display:flex;flex-direction:column;line-height:1;letter-spacing:.22em}
.brand-text b{font-weight:700;font-size:15px;color:var(--white)}
.brand-text i{font-style:normal;font-weight:500;font-size:10.5px;color:var(--cyan);letter-spacing:.34em;margin-top:3px}
.site-nav{display:flex;gap:26px;align-items:center}
.site-nav a{color:var(--muted);font-size:14px;font-weight:500;padding:6px 2px;position:relative}
.site-nav a:hover{color:var(--white)}
.site-nav a.active{color:var(--white)}
.site-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--cyan);border-radius:2px}
@media(max-width:640px){
  .site-header{flex-direction:column;gap:12px;padding:16px}
  .site-nav{gap:18px}
}

/* hero */
.hero{max-width:var(--maxw);margin:0 auto;padding:38px 22px 10px;text-align:center}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,7vw,5.2rem);
  line-height:1.02;margin:.2em 0 .1em;letter-spacing:-.01em}
.hero h1 .cy{color:var(--cyan)}
.promise{color:var(--muted);font-size:clamp(1rem,2.4vw,1.25rem);margin:0 auto 30px;max-width:640px}

/* conversational input */
.ask{max-width:900px;margin:0 auto;position:relative}
.ask-box{background:linear-gradient(180deg,rgba(12,35,55,.92),rgba(8,24,39,.92));
  border:1.5px solid var(--border);border-radius:20px;padding:18px 18px 14px;
  box-shadow:0 0 0 1px rgba(86,231,255,.05),0 22px 60px -22px rgba(0,0,0,.8),
    0 0 46px -14px rgba(50,214,244,.35);position:relative;backdrop-filter:blur(6px)}
.ask-box:focus-within{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),
    0 22px 60px -20px rgba(0,0,0,.8),0 0 60px -12px rgba(50,214,244,.5)}
.ask-row{display:flex;align-items:flex-start;gap:14px}
.ask-icon{flex:0 0 auto;color:var(--cyan);margin-top:6px}
.ask-field{flex:1;position:relative;min-height:34px}
#ask-input{width:100%;background:transparent;border:0;color:var(--white);
  font-family:var(--ui);font-size:clamp(1.05rem,2.4vw,1.35rem);resize:none;outline:none;
  line-height:1.4;overflow:hidden;min-height:34px}
#ask-input::placeholder{color:transparent}
.ghost{position:absolute;top:0;left:0;right:0;pointer-events:none;color:var(--muted);
  font-size:clamp(1.05rem,2.4vw,1.35rem);line-height:1.4;white-space:pre-wrap;
  opacity:.75;cursor:text}
.ghost .caret{display:inline-block;width:2px;height:1.1em;background:var(--cyan);
  vertical-align:-2px;margin-left:1px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.ask-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.icon-btn{background:transparent;border:0;color:var(--muted);cursor:pointer;padding:8px;
  border-radius:10px;display:grid;place-items:center;min-width:40px;min-height:40px}
.icon-btn:hover{color:var(--cyan-bright);background:rgba(50,214,244,.08)}
.send-btn{background:var(--cyan);color:#00131f;border-radius:50%;width:46px;height:46px;
  display:grid;place-items:center;border:0;cursor:pointer;box-shadow:0 0 20px -4px var(--cyan)}
.send-btn:hover{background:var(--cyan-bright)}
.ask-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;
  margin-top:10px;padding-left:2px}
.ask-label .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 8px var(--lime);flex:0 0 auto}
.hidden-file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.attach-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;padding-left:2px}
.chip-file{background:rgba(50,214,244,.1);border:1px solid var(--border-soft);border-radius:20px;
  padding:5px 12px;font-size:12.5px;color:var(--white);display:flex;gap:8px;align-items:center}
.chip-file button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:14px}

/* suggestion chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:22px auto 0;max-width:820px}
.chip{background:rgba(10,29,47,.7);border:1px solid var(--border-soft);border-radius:30px;
  padding:11px 20px;color:var(--white);font-size:14px;font-weight:500;cursor:pointer;
  display:flex;align-items:center;gap:10px;transition:.15s;min-height:44px}
.chip:hover{border-color:var(--cyan);background:rgba(50,214,244,.1);color:var(--cyan-bright)}
.chip svg{color:var(--cyan)}

/* section header */
.section-head{max-width:var(--maxw);margin:56px auto 20px;padding:0 22px;display:flex;
  align-items:center;gap:18px}
.section-head h2{font-size:14px;letter-spacing:.28em;color:var(--white);font-weight:600;margin:0;white-space:nowrap}
.section-head .rule{height:1px;flex:1;background:linear-gradient(90deg,var(--border),transparent)}
.section-head .tag{color:var(--muted);font-size:11px;letter-spacing:.18em;white-space:nowrap}

/* discoveries */
.discoveries{max-width:var(--maxw);margin:0 auto;padding:0 22px;display:grid;
  grid-template-columns:1.35fr 1fr;gap:18px}
.disc-card{background:linear-gradient(160deg,var(--panel2),var(--panel));
  border:1px solid var(--border-soft);border-radius:16px;padding:24px;position:relative;
  overflow:hidden;transition:.18s;display:flex;flex-direction:column;min-height:180px}
.disc-card:hover{border-color:var(--border);transform:translateY(-2px);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9)}
.disc-featured{grid-row:span 2;background:
  radial-gradient(600px 300px at 90% 10%,rgba(50,214,244,.1),transparent 60%),
  linear-gradient(160deg,var(--panel2),var(--panel))}
.secondary-col{display:grid;gap:18px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;
  letter-spacing:.14em;padding:5px 11px;border-radius:20px;border:1px solid;width:fit-content}
.badge.research{color:var(--lime);border-color:rgba(183,243,74,.5)}
.badge.youtube{color:var(--yt);border-color:rgba(255,77,69,.5)}
.badge.community{color:var(--cyan-bright);border-color:rgba(86,231,255,.5)}
.badge.price{color:var(--amber);border-color:rgba(246,183,55,.5)}
.badge.signal{color:#00131f;background:var(--lime);border-color:var(--lime)}
.disc-card h3{font-family:var(--serif);font-weight:400;font-size:1.55rem;line-height:1.1;
  margin:14px 0 8px}
.disc-featured h3{font-size:2.1rem}
.disc-card p{color:var(--muted);font-size:14px;margin:0 0 16px;flex:1}
.disc-featured p{font-size:15.5px;max-width:90%}
.disc-link{color:var(--cyan);font-weight:600;font-size:14px;display:inline-flex;
  align-items:center;gap:8px;margin-top:auto;background:none;border:0;cursor:pointer;padding:0;font-family:inherit}
.disc-link:hover{color:var(--cyan-bright);gap:11px}
@media(max-width:820px){
  .discoveries{grid-template-columns:1fr}
  .disc-featured{grid-row:auto}
  .disc-featured h3{font-size:1.7rem}
}

/* status bar */
.status-bar{max-width:var(--maxw);margin:26px auto 40px;padding:14px 22px;
  background:rgba(10,29,47,.6);border:1px solid var(--border-soft);border-radius:14px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.status-bar .live{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--white)}
.status-bar .live .dot{width:11px;height:11px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 10px var(--lime)}
.status-bar .live.idle .dot{background:var(--muted);box-shadow:none}
.status-bar .detail{color:var(--muted);font-size:13.5px}

/* pulse banner (returning users) */
.pulse-banner{max-width:var(--maxw);margin:24px auto 0;padding:0 22px}
.pulse-inner{background:linear-gradient(120deg,rgba(50,214,244,.12),rgba(10,29,47,.7));
  border:1px solid var(--border);border-radius:16px;padding:20px 24px}
.pulse-inner h3{font-family:var(--serif);font-weight:400;font-size:1.4rem;margin:0 0 6px}
.pulse-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* generic content pages */
.page{max-width:820px;margin:20px auto 60px;padding:0 22px}
.page h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,5vw,3.4rem);margin:.3em 0}
.page h2{font-size:1.15rem;color:var(--cyan);margin:1.8em 0 .5em;letter-spacing:.02em}
.page h3{font-size:1rem;color:var(--white);margin:1.3em 0 .4em}
.page p,.page li{color:#c4d4de;font-size:15.5px}
.page ul{padding-left:20px}
.page .lead{font-size:18px;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--border-soft);border-radius:14px;padding:22px;margin:16px 0}

/* investigate / chat */
.chat-wrap{max-width:860px;margin:0 auto;padding:16px 18px 40px;min-height:60vh}
.chat-intro{text-align:center;padding:20px 0 6px}
.chat-intro h1{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,5vw,3.2rem);margin:.2em 0}
.chat-intro h1 .cy{color:var(--cyan)}
.messages{display:flex;flex-direction:column;gap:18px;margin:18px 0}
.msg{max-width:100%;border-radius:14px;padding:16px 18px;font-size:15.5px}
.msg.user{background:rgba(50,214,244,.1);border:1px solid var(--border-soft);align-self:flex-end;
  max-width:85%}
.msg.assistant{background:var(--panel);border:1px solid var(--border-soft)}
.msg.assistant h3{font-family:var(--ui);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);margin:18px 0 6px;font-weight:700}
.msg.assistant h3:first-child{margin-top:0}
.msg.assistant p{margin:.5em 0}
.msg.assistant ul,.msg.assistant ol{margin:.4em 0;padding-left:22px}
.msg.assistant a{word-break:break-word}
.msg.assistant code{background:rgba(0,0,0,.3);padding:1px 5px;border-radius:5px;font-size:13px}
.progress-line{color:var(--muted);font-size:13.5px;display:flex;align-items:center;gap:9px;font-style:italic}
.progress-line .spin{width:13px;height:13px;border:2px solid var(--border);border-top-color:var(--cyan);
  border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.moves{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.move-btn{background:rgba(10,29,47,.8);border:1px solid var(--border-soft);border-radius:24px;
  padding:9px 16px;color:var(--white);font-size:13.5px;cursor:pointer;min-height:40px}
.move-btn:hover{border-color:var(--cyan);color:var(--cyan-bright)}
.brief-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.mini-btn{background:transparent;border:1px solid var(--border);border-radius:8px;padding:8px 13px;
  color:var(--cyan);font-size:13px;cursor:pointer;font-family:inherit;min-height:40px}
.mini-btn:hover{background:rgba(50,214,244,.1);color:var(--cyan-bright)}
.mini-btn.primary{background:var(--cyan);color:#00131f;border-color:var(--cyan);font-weight:600}

/* chat composer sticky */
.composer{position:sticky;bottom:0;background:linear-gradient(180deg,transparent,var(--bg0) 30%);
  padding-top:16px}

/* admin */
.admin-wrap{max-width:1200px;margin:20px auto;padding:0 20px 60px}
.admin-wrap h1{font-family:var(--serif);font-weight:400;font-size:2rem}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:16px 0}
.stat{background:var(--panel);border:1px solid var(--border-soft);border-radius:12px;padding:14px}
.stat b{font-size:1.6rem;color:var(--cyan);display:block}
.stat span{font-size:12px;color:var(--muted)}
table.admin{width:100%;border-collapse:collapse;font-size:13px;margin:10px 0 30px}
table.admin th,table.admin td{border-bottom:1px solid var(--border-soft);padding:9px 8px;text-align:left;vertical-align:top}
table.admin th{color:var(--muted);font-weight:600;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
table.admin form{display:inline}
.badge-sm{font-size:10px;padding:2px 7px;border-radius:10px;border:1px solid var(--border-soft)}
.st-pending{color:var(--amber)}.st-approved{color:var(--lime)}.st-archived{color:var(--muted)}.st-hidden{color:var(--yt)}
.admin-btn{background:rgba(50,214,244,.1);border:1px solid var(--border-soft);color:var(--cyan);
  border-radius:6px;padding:4px 9px;font-size:12px;cursor:pointer;margin:1px}
.admin-btn:hover{background:rgba(50,214,244,.2)}
.login-card{max-width:400px;margin:80px auto;background:var(--panel);border:1px solid var(--border);
  border-radius:16px;padding:32px;text-align:center}
.login-card input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg1);color:var(--white);margin:14px 0;font-size:15px}

/* footer */
.site-footer{max-width:var(--maxw);margin:40px auto 0;padding:28px 22px 40px;
  border-top:1px solid var(--border-soft);text-align:center}
.site-footer .trust{color:var(--muted);font-size:13px;max-width:640px;margin:0 auto 8px}
.site-footer .disclaimer{color:var(--muted);font-size:12.5px;max-width:640px;margin:0 auto 16px;opacity:.85}
.foot-nav{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.foot-nav a{color:var(--muted);font-size:13px}
.foot-nav a:hover{color:var(--cyan)}

/* utility */
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);border:0}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--panel2);
  border:1px solid var(--cyan);color:var(--white);padding:12px 20px;border-radius:12px;
  z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.5);font-size:14px;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}
dialog{background:var(--panel);color:var(--white);border:1px solid var(--border);border-radius:16px;
  padding:24px;max-width:460px;width:92%}
dialog::backdrop{background:rgba(0,8,16,.7)}
dialog h3{font-family:var(--serif);font-weight:400;font-size:1.5rem;margin:0 0 8px}
dialog input,dialog textarea{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);
  background:var(--bg1);color:var(--white);margin:8px 0;font-family:inherit}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  #wave-canvas{display:none}
}