/* Haven — anonymous member community. Midnight-teal base, signal-green accent.
   App shell (feed + channels + docs + KB). Grain texture, gradient glow,
   Space Grotesk (display) + Inter (body). Distinct from every other demo. */
:root{
  --bg:#0c1a1c;
  --bg-2:#0f2326;
  --panel:#13292c;
  --panel-2:#163034;
  --green:#2bd4a8;
  --green-bright:#4fe8c0;
  --green-deep:#1a9e7d;
  --blue:#3a7ca5;
  --text:#e6f0ee;
  --mute:#7f9794;
  --line:rgba(230,240,238,.10);
  --shadow:0 22px 55px -28px rgba(0,0,0,.6);
  --shadow-sm:0 8px 24px -14px rgba(0,0,0,.5);
  --glow:0 0 60px -12px rgba(43,212,168,.5);
  --disp:'Space Grotesk','Segoe UI',sans-serif;
  --sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --r:14px; --r-sm:9px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Inter','Helvetica Neue',Arial,sans-serif;color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  background:radial-gradient(900px 500px at 80% -10%,rgba(43,212,168,.12),transparent 60%),radial-gradient(700px 460px at 0% 100%,rgba(58,124,165,.1),transparent 55%),var(--bg);
  min-height:100vh;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.4;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
img{max-width:100%;display:block}
a{color:var(--green-bright);text-decoration:none}
h1,h2,h3,h4{font-family:'Space Grotesk','Segoe UI',sans-serif;font-weight:600;line-height:1.12;letter-spacing:-.01em;color:var(--text)}
button{font-family:inherit}
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.92rem;padding:.8em 1.6em;border-radius:10px;cursor:pointer;border:1.5px solid transparent;transition:.25s var(--ease)}
.btn-green{background:linear-gradient(120deg,var(--green-bright),var(--green));color:#08201b}
.btn-green:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--green)}
.btn-sm{padding:.55em 1.1em;font-size:.84rem}
.btn-block{width:100%;justify-content:center}

/* ============ AUTH ============ */
.auth-screen{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;overflow:auto;
  background:radial-gradient(800px 500px at 70% 0,rgba(43,212,168,.18),transparent 60%),linear-gradient(180deg,var(--bg),var(--bg-2))}
.auth-screen.hidden{display:none}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);width:min(94vw,420px);padding:36px 32px}
.auth-card .brand{margin-bottom:1.2rem}
.auth-card h1{font-size:1.5rem;margin-bottom:.3rem}
.auth-card .sub{color:var(--mute);font-size:.92rem;margin-bottom:1.4rem}
.anon-explain{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--green);border-radius:var(--r-sm);padding:.9rem 1rem;margin-bottom:1.4rem;font-size:.86rem;color:var(--mute)}
.anon-explain b{color:var(--green-bright)}
.auth-tabs{display:flex;gap:.4rem;background:var(--bg-2);border-radius:10px;padding:.3rem;margin-bottom:1.4rem}
.auth-tab{flex:1;padding:.6em;border:0;background:none;border-radius:8px;font-weight:600;font-size:.88rem;cursor:pointer;color:var(--mute);transition:.2s}
.auth-tab.active{background:var(--panel);color:var(--text)}
.auth-card label{display:block;font-size:.82rem;font-weight:600;margin-bottom:.35rem}
.auth-card input{width:100%;padding:.8em 1em;border:1.5px solid var(--line);border-radius:9px;font-size:1rem;margin-bottom:1rem;background:var(--bg-2);color:var(--text);transition:border .2s}
.auth-card input:focus{outline:none;border-color:var(--green)}
.auth-err{color:#f0857a;font-size:.84rem;margin-bottom:.8rem;display:none}
.auth-err.show{display:block}
.auth-alt{text-align:center;font-size:.85rem;color:var(--mute);margin-top:1rem}
.brand{display:flex;align-items:center;gap:.55rem;font-family:var(--disp);font-weight:700;font-size:1.3rem;color:var(--text)}
.brand .mk{width:32px;height:32px;flex:none}

/* assigned-handle reveal */
.handle-reveal{display:none;text-align:center}
.handle-reveal.show{display:block}
.handle-card{background:var(--panel-2);border:1px solid var(--green);border-radius:var(--r);padding:2rem;margin-bottom:1.4rem}
.handle-card .ava{width:72px;height:72px;margin:0 auto 1rem;border-radius:16px}
.handle-card .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;color:var(--mute)}
.handle-card .handle{font-family:var(--disp);font-size:1.6rem;font-weight:700;color:var(--green-bright);margin:.3rem 0}

/* ============ APP ============ */
.app{display:none;min-height:100vh;grid-template-columns:240px 1fr}
.app.active{display:grid}
.side{position:fixed;top:0;left:0;bottom:0;width:240px;background:linear-gradient(180deg,var(--bg-2),var(--bg));border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:40;transition:transform .3s var(--ease)}
.side-head{padding:20px;border-bottom:1px solid var(--line)}
.side-nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:.2rem;overflow-y:auto}
.side-nav .lbl{font-family:var(--disp);font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--mute);padding:1rem .8rem .4rem}
.side-nav a{display:flex;align-items:center;gap:.6rem;padding:.62em .8em;border-radius:9px;color:var(--mute);font-size:.92rem;font-weight:500;cursor:pointer;transition:.2s}
.side-nav a svg{width:18px;height:18px;stroke:currentColor;fill:none}
.side-nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.side-nav a.active{background:linear-gradient(120deg,rgba(43,212,168,.18),rgba(43,212,168,.08));color:var(--green-bright)}
.side-foot{padding:14px 16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:.6rem}
.side-foot .ava{width:34px;height:34px;border-radius:9px;flex:none}
.side-foot .who{flex:1;min-width:0}
.side-foot .who b{display:block;font-size:.82rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot .who span{font-size:.7rem;color:var(--mute)}
.side-foot .out{background:none;border:0;color:var(--mute);cursor:pointer;font-size:.74rem;text-decoration:underline}
.amain{grid-column:2;display:flex;flex-direction:column;min-height:100vh}
.atop{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:1rem;padding:14px 28px;background:rgba(12,26,28,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.atop .burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.atop .burger span{width:24px;height:2px;background:var(--text);border-radius:2px}
.atop h2{font-size:1.2rem}
.atop .youtag{margin-left:auto;display:flex;align-items:center;gap:.5rem;font-size:.82rem;color:var(--mute)}
.atop .youtag .ava{width:26px;height:26px;border-radius:7px}
.acontent{flex:1;padding:28px;max-width:760px;width:100%}
.aview{display:none;animation:fade .35s var(--ease)}
.aview.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* composer + feed */
.composer{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem;margin-bottom:1.4rem}
.composer textarea{width:100%;background:var(--bg-2);border:1.5px solid var(--line);border-radius:9px;padding:.8em 1em;color:var(--text);font-family:inherit;font-size:.95rem;resize:vertical;min-height:70px;transition:border .2s}
.composer textarea:focus{outline:none;border-color:var(--green)}
.composer-foot{display:flex;align-items:center;justify-content:space-between;margin-top:.8rem}
.composer-foot .as{font-size:.82rem;color:var(--mute);display:flex;align-items:center;gap:.5rem}
.composer-foot .as .ava{width:24px;height:24px;border-radius:6px}
.post{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;margin-bottom:1rem;animation:fade .35s var(--ease);box-shadow:0 8px 24px -16px rgba(0,0,0,.5)}
.post-head{display:flex;align-items:center;gap:.7rem;margin-bottom:.6rem}
.post-head .ava{width:36px;height:36px;border-radius:9px;flex:none}
.post-head b{font-family:var(--disp);font-size:.92rem}
.post-head .t{font-size:.76rem;color:var(--mute);margin-left:auto}
.post-body{font-size:.95rem;color:var(--text);line-height:1.6}
.post-foot{display:flex;gap:1.2rem;margin-top:.8rem;font-size:.82rem;color:var(--mute)}
.post-foot button{background:none;border:0;color:var(--mute);cursor:pointer;display:flex;align-items:center;gap:.35rem;font-size:.82rem;transition:color .2s}
.post-foot button:hover{color:var(--green-bright)}
.post-foot svg{width:16px;height:16px;stroke:currentColor;fill:none}

/* generic panels / tables */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.5rem 1.6rem;margin-bottom:1.2rem;box-shadow:0 10px 30px -20px rgba(0,0,0,.55)}
.panel h3{font-size:1.05rem;margin-bottom:1rem}
.dtable{width:100%;border-collapse:collapse}
.dtable th,.dtable td{text-align:left;padding:.7em .8em;border-bottom:1px solid var(--line);font-size:.9rem}
.dtable th{font-family:var(--disp);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mute)}
.badge{font-size:.72rem;font-weight:600;padding:.22em .7em;border-radius:20px}
.badge.pending{background:rgba(240,180,80,.16);color:#f0b450}
.badge.reviewed{background:rgba(43,212,168,.16);color:var(--green-bright)}
.upload-zone{border:1.5px dashed var(--line);border-radius:var(--r);padding:1.6rem;text-align:center;color:var(--mute);cursor:pointer;transition:.2s;margin-bottom:1.2rem}
.upload-zone:hover{border-color:var(--green);color:var(--text)}
.kb-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.kb-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.3rem;cursor:pointer;transition:transform .25s,border-color .25s,box-shadow .25s;box-shadow:0 6px 20px -16px rgba(0,0,0,.5)}
.kb-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:0 16px 40px -22px rgba(0,0,0,.6)}
.kb-card .ic{width:40px;height:40px;border-radius:10px;background:rgba(43,212,168,.12);display:grid;place-items:center;margin-bottom:.7rem}
.kb-card .ic svg{width:22px;height:22px;stroke:var(--green-bright);fill:none}
.kb-card h4{margin-bottom:.2rem}
.kb-card p{font-size:.85rem;color:var(--mute);margin:0}
.chan-list{display:flex;flex-direction:column;gap:.5rem}
.chan-list .c{display:flex;align-items:center;gap:.6rem;padding:.7em .9em;background:var(--panel);border:1px solid var(--line);border-radius:9px;cursor:pointer;transition:.2s}
.chan-list .c:hover{border-color:var(--green)}
.chan-list .c .hash{color:var(--green);font-weight:700}
.note{padding:.7em 1em;border-radius:9px;font-size:.86rem;display:none;margin-bottom:1rem}
.note.ok{display:block;background:rgba(43,212,168,.12);color:var(--green-bright);border:1px solid rgba(43,212,168,.3)}
.msg-thread{display:flex;flex-direction:column;gap:.7rem}
.bubble{max-width:80%;padding:.7em 1em;border-radius:14px;font-size:.92rem}
.bubble.them{background:var(--panel-2);align-self:flex-start;border-bottom-left-radius:4px}
.bubble.you{background:linear-gradient(120deg,var(--green-deep),var(--green));color:#08201b;align-self:flex-end;border-bottom-right-radius:4px}

.sb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:39;opacity:0;visibility:hidden;transition:opacity .3s}
.sb-overlay.open{opacity:1;visibility:visible}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){ .kb-grid{grid-template-columns:1fr} }
@media(max-width:768px){
  .app.active{grid-template-columns:1fr}
  .side{transform:translateX(-100%);box-shadow:20px 0 60px rgba(0,0,0,.4)}
  .side.open{transform:translateX(0)}
  .amain{grid-column:1}
  .atop .burger{display:flex}
  .acontent{padding:20px}
}
@media(max-width:480px){ body{font-size:15px} .auth-card{padding:30px 22px} .bubble{max-width:90%} }