:root{
  --bg:#0f0a2e; --bg2:#1a0f3d; --card:rgba(255,255,255,.07); --card2:rgba(255,255,255,.12);
  --txt:#f3efff; --muted:#a89dd6; --line:rgba(255,255,255,.12);
  --p1:#ff6b9d; --p2:#7c5cff; --p3:#36d3ff; --good:#36d399; --warn:#ffb454; --bad:#ff5d7a;
  --grad:linear-gradient(135deg,#ff6b9d 0%,#7c5cff 50%,#36d3ff 100%);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;max-width:100%;overflow-x:hidden}
body{
  margin:0;font-family:'Baloo 2',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--txt);background:radial-gradient(1200px 800px at 10% -10%,#2a1a5e 0,transparent 50%),
  radial-gradient(900px 700px at 110% 10%,#3d1a5e 0,transparent 45%),var(--bg);
  overflow:hidden;-webkit-user-select:none;user-select:none;
}
/* privacy shield: blur everything when app loses focus (best-effort screenshot/recording deterrent) */
body.shield #app{filter:blur(22px);transition:filter .12s}
#shieldMsg{position:fixed;inset:0;z-index:200;display:none;place-items:center;text-align:center;
  background:rgba(15,10,46,.86);backdrop-filter:blur(8px);padding:30px;flex-direction:column;gap:10px}
body.shield #shieldMsg{display:flex}
#shieldMsg .big{font-size:60px}
#shieldMsg h2{margin:0;font-size:22px}
#shieldMsg p{color:var(--muted);max-width:320px}

#app{height:100%;height:100dvh;display:flex;flex-direction:column;max-width:520px;margin:0 auto;position:relative}
.hidden{display:none!important}
button{font-family:inherit;cursor:pointer;border:none;color:inherit}

/* ---------- auth ---------- */
.auth{height:100%;display:flex;flex-direction:column;justify-content:center;padding:28px;gap:18px;animation:pop .4s}
.brand{text-align:center}
.logo{font-size:74px;line-height:1;filter:drop-shadow(0 8px 24px rgba(124,92,255,.6));animation:float 3s ease-in-out infinite}
.brand h1{font-size:40px;margin:6px 0 0;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.brand p{color:var(--muted);margin:4px 0 0}
.tabs{display:flex;background:var(--card);border-radius:16px;padding:5px;gap:5px}
.tabs button{flex:1;padding:12px;border-radius:12px;background:transparent;color:var(--muted);font-weight:700;font-size:15px}
.tabs button.on{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(124,92,255,.45)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--muted);padding-left:6px}
input,textarea{font-family:inherit;background:var(--card);border:2px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--txt);font-size:16px;outline:none;width:100%}
input:focus,textarea:focus{border-color:var(--p2)}
.btn{background:var(--grad);color:#fff;font-weight:800;font-size:17px;padding:15px;border-radius:16px;box-shadow:0 8px 22px rgba(124,92,255,.45);transition:transform .1s}
.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--card);box-shadow:none;color:var(--txt)}
.err{color:var(--bad);font-size:14px;text-align:center;min-height:18px}
.hint{font-size:12px;color:var(--muted);text-align:center;line-height:1.6;background:var(--card);padding:10px;border-radius:12px}

/* ---------- top bar ---------- */
.top{display:flex;align-items:center;gap:12px;padding:14px 16px;padding-top:max(14px,env(safe-area-inset-top));background:rgba(15,10,46,.7);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:5}
.top .av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:22px;background:var(--card2)}
.top .who{flex:1;min-width:0}
.top .who b{display:block;font-size:16px}
.top .who span{font-size:12px;color:var(--muted)}
.iconbtn{width:40px;height:40px;border-radius:12px;background:var(--card);display:grid;place-items:center;font-size:18px}

/* ---------- list ---------- */
.screen{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.listhdr{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 8px}
.listhdr h2{margin:0;font-size:22px}
.chat-card{display:flex;align-items:center;gap:14px;padding:14px 16px;margin:8px 12px;border-radius:18px;background:var(--card);transition:transform .1s,background .2s;animation:pop .3s}
.chat-card:active{transform:scale(.98);background:var(--card2)}
.chat-card .ava{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:26px;background:linear-gradient(135deg,rgba(255,107,157,.3),rgba(124,92,255,.3));position:relative;flex-shrink:0}
.chat-card .ava .grp{position:absolute;right:-4px;bottom:-4px;font-size:14px;background:var(--bg2);border-radius:8px;padding:1px 3px}
.chat-card .body{flex:1;min-width:0}
.chat-card .body .row1{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.chat-card .body b{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-card .body .t{font-size:11px;color:var(--muted);flex-shrink:0}
.chat-card .body .prev{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.quota-pill{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:700;flex-shrink:0}

.fab{position:absolute;right:18px;bottom:max(24px,calc(env(safe-area-inset-bottom) + 16px));width:62px;height:62px;border-radius:22px;background:var(--grad);font-size:30px;display:grid;place-items:center;box-shadow:0 10px 28px rgba(124,92,255,.55);z-index:6}
.fab:active{transform:scale(.93)}

/* ---------- chat view ---------- */
.msgs{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:4px}
.msg{max-width:78%;padding:10px 14px;border-radius:20px;font-size:15px;line-height:1.35;position:relative;animation:pop .25s;word-wrap:break-word;overflow-wrap:anywhere}
.msg.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:6px}
.msg.them{align-self:flex-start;background:var(--card2);border-bottom-left-radius:6px}
.msg .nm{font-size:11px;font-weight:800;margin-bottom:2px}
.msg .tm{font-size:9px;opacity:.65;margin-top:3px;text-align:right}
.msg img{max-width:200px;border-radius:14px;display:block;pointer-events:none}
.msg .del{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background:var(--bad);font-size:13px;display:none;place-items:center;box-shadow:0 3px 8px rgba(0,0,0,.4)}
.msg.me:active .del,.msg.me.show .del{display:grid}
.daydiv{align-self:center;font-size:11px;color:var(--muted);background:var(--card);padding:3px 12px;border-radius:20px;margin:8px 0}

.quotabar{padding:6px 14px;background:rgba(15,10,46,.6)}
.quotabar .track{height:6px;border-radius:6px;background:var(--card);overflow:hidden}
.quotabar .fill{height:100%;border-radius:6px;background:var(--good);transition:width .3s,background .3s}
.quotabar .lbl{font-size:11px;color:var(--muted);margin-top:3px;display:flex;justify-content:space-between}

.composer{display:flex;gap:8px;padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom));align-items:flex-end;background:rgba(15,10,46,.8);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.composer textarea{flex:1;resize:none;max-height:110px;border-radius:22px;padding:11px 16px}
.composer .send{width:48px;height:48px;border-radius:50%;background:var(--grad);font-size:20px;display:grid;place-items:center;flex-shrink:0}
.composer .tool{width:44px;height:44px;border-radius:50%;background:var(--card);font-size:20px;display:grid;place-items:center;flex-shrink:0}

/* picker tray (emoji / gif) */
.tray{background:var(--bg2);border-top:1px solid var(--line);height:230px;display:flex;flex-direction:column}
.tray .tt{display:flex;gap:6px;padding:8px}
.tray .tt button{flex:1;padding:8px;border-radius:10px;background:var(--card);color:var(--muted);font-weight:700}
.tray .tt button.on{background:var(--grad);color:#fff}
.tray .grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(8,1fr);gap:4px;padding:8px}
.tray .grid.gifs{grid-template-columns:repeat(3,1fr)}
.tray .grid span{font-size:26px;text-align:center;padding:4px;border-radius:8px;cursor:pointer}
.tray .grid span:active{background:var(--card2)}
.tray .grid img{width:100%;height:80px;object-fit:cover;border-radius:10px;cursor:pointer}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(8,5,24,.7);backdrop-filter:blur(6px);display:flex;align-items:flex-end;justify-content:center}
.sheet{background:var(--bg2);width:100%;max-width:520px;border-radius:26px 26px 0 0;padding:20px;padding-bottom:max(20px,calc(env(safe-area-inset-bottom) + 12px));max-height:85%;overflow-y:auto;animation:slideup .3s}
.sheet h3{margin:2px 0 14px;font-size:20px}
.seg{display:flex;gap:6px;background:var(--card);border-radius:14px;padding:5px;margin-bottom:14px}
.seg button{flex:1;padding:10px;border-radius:10px;background:transparent;color:var(--muted);font-weight:700}
.seg button.on{background:var(--grad);color:#fff}
.person{display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;margin:4px 0;background:var(--card)}
.person.sel{background:linear-gradient(135deg,rgba(255,107,157,.25),rgba(124,92,255,.25));outline:2px solid var(--p2)}
.person .ava{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--card2)}
.person .info{flex:1}.person .info b{display:block}.person .info span{font-size:12px;color:var(--muted)}
.person .chk{font-size:20px}
.sheet .row{display:flex;gap:8px;margin-top:14px}.sheet .row .btn{flex:1}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@keyframes slideup{from{transform:translateY(100%)}to{transform:none}}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:var(--bg2);border:1px solid var(--line);padding:12px 18px;border-radius:14px;font-size:14px;z-index:300;animation:pop .2s;max-width:90%;text-align:center}
.toast.bad{border-color:var(--bad);color:#ffd6de}

/* scrollbars */
::-webkit-scrollbar{width:0;height:0}