/* ============================================================
   Saurya Source Pvt — premium chat UI
   ============================================================ */
:root{
  --bg:#07070d;
  --bg-2:#0c0c15;
  --card:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.09);
  --stroke-2:rgba(255,255,255,.16);
  --txt:#eef0f7;
  --muted:#9aa0b5;
  --brand:#7c5cff;
  --brand-2:#00e0c6;
  --accent-grad:linear-gradient(120deg,#7c5cff 0%,#a855f7 45%,#00e0c6 100%);
  --danger:#ff5c7a;
  --ok:#2fe08d;
  --shadow:0 24px 60px rgba(0,0,0,.55);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--txt);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.logo strong,.brand-text strong{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.02em}
button,input,textarea{font-family:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
code{font-family:'Space Grotesk',ui-monospace,monospace}
.hidden{display:none!important}
.muted{color:var(--muted)}

/* ---------------- background ---------------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(900px 600px at 12% -10%,rgba(124,92,255,.20),transparent 60%),
  radial-gradient(800px 600px at 100% 0%,rgba(0,224,198,.13),transparent 55%),
  linear-gradient(180deg,#07070d,#0a0a13 60%,#07070d);}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:float 18s ease-in-out infinite}
.b1{width:460px;height:460px;background:#7c5cff;top:-140px;left:-120px}
.b2{width:400px;height:400px;background:#00e0c6;bottom:-160px;right:-100px;animation-delay:-6s}
.b3{width:300px;height:300px;background:#ff5c9a;top:45%;left:60%;opacity:.28;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(40px,-50px,0) scale(1.12)}}
.grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%)}

/* ---------------- shared ---------------- */
.glass{background:var(--card);border:1px solid var(--stroke);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.card{border-radius:var(--r-lg);box-shadow:var(--shadow)}
.grad,.grad2{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad2{background:linear-gradient(120deg,#00e0c6,#7c5cff)}
.screen{min-height:100dvh;display:flex;flex-direction:column}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:14px;font-weight:600;font-size:15px;transition:.22s transform,.22s box-shadow,.22s background,.22s border-color;position:relative;overflow:hidden}
.btn:active{transform:scale(.975)}
.btn.primary{background:var(--accent-grad);color:#0a0a12;box-shadow:0 12px 34px rgba(124,92,255,.38)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(124,92,255,.5)}
.btn.ghost{background:rgba(255,255,255,.05);border:1px solid var(--stroke-2);color:var(--txt)}
.btn.ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn.danger{background:rgba(255,92,122,.13);border:1px solid rgba(255,92,122,.4);color:#ff8ba3}
.btn.danger:hover{background:rgba(255,92,122,.24)}
.btn.block{width:100%}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:11px}
.btn[disabled]{opacity:.6;pointer-events:none}
.icon-btn{width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--stroke);transition:.2s}
.icon-btn:hover{color:#fff;background:rgba(255,255,255,.12);border-color:var(--stroke-2)}
.note{font-size:13px;color:var(--muted);background:rgba(255,255,255,.04);border:1px dashed var(--stroke-2);padding:11px 14px;border-radius:12px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 0 rgba(47,224,141,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,224,141,.55)}70%{box-shadow:0 0 0 9px rgba(47,224,141,0)}100%{box-shadow:0 0 0 0 rgba(47,224,141,0)}}

/* ---------------- entry ---------------- */
.entry{align-items:center;padding:38px 22px 30px;gap:30px}
.brand{display:flex;align-items:center;gap:13px;animation:rise .7s .05s both}
.logo{width:46px;height:46px;border-radius:14px;background:var(--accent-grad);display:grid;place-items:center;font-weight:800;font-size:22px;color:#0a0a12;box-shadow:0 10px 30px rgba(124,92,255,.45);font-family:'Space Grotesk',sans-serif}
.logo span{color:#fff}
.logo.small{width:38px;height:38px;font-size:18px;border-radius:12px}
.brand-text strong{display:block;font-size:17px}
.brand-text strong em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-text small{color:var(--muted);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase}
.hero{text-align:center;max-width:760px;animation:rise .7s .15s both}
.badge{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:#cdd2e4;background:rgba(255,255,255,.05);border:1px solid var(--stroke);padding:8px 15px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,6.4vw,60px);line-height:1.05;font-weight:700}
.hero p{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.65;max-width:560px;margin-inline:auto}
.join-card{width:min(560px,100%);padding:22px;animation:rise .7s .28s both}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:rgba(255,255,255,.04);padding:6px;border-radius:14px;margin-bottom:20px;border:1px solid var(--stroke)}
.tab{padding:11px;border-radius:10px;font-weight:600;font-size:14.5px;color:var(--muted);transition:.25s}
.tab.active{background:var(--accent-grad);color:#0a0a12;box-shadow:0 8px 22px rgba(124,92,255,.35)}
.pane{display:none;flex-direction:column;gap:15px}
.pane.active{display:flex;animation:fade .35s both}
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:12.5px;color:#b9bfd4;font-weight:600;letter-spacing:.03em}
.field span i{font-style:normal;font-size:10.5px;color:#0a0a12;background:var(--accent-grad);padding:2px 7px;border-radius:6px;margin-left:6px;text-transform:uppercase;letter-spacing:.08em}
.field input{background:rgba(255,255,255,.045);border:1px solid var(--stroke);border-radius:13px;padding:14px 15px;font-size:15.5px;outline:none;transition:.2s;letter-spacing:.02em}
.field input::placeholder{color:#6d7290;letter-spacing:normal}
.field input:focus{border-color:rgba(124,92,255,.75);background:rgba(124,92,255,.08);box-shadow:0 0 0 4px rgba(124,92,255,.14)}
.field input.bad{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,92,122,.14)}
.err{font-style:normal;font-size:12.5px;color:var(--danger);min-height:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.foot{margin-top:auto;color:#6d7290;font-size:12.5px;text-align:center;padding-top:10px}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------------- key reveal ---------------- */
.center{align-items:center;justify-content:center;padding:22px}
.key-card{width:min(520px,100%);padding:34px 28px;text-align:center;animation:rise .55s both}
.tick{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;background:rgba(47,224,141,.13);border:1px solid rgba(47,224,141,.45);color:var(--ok);animation:pop .5s .15s both}
@keyframes pop{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
.key-card h2{font-size:27px;margin-bottom:8px}
.key-card .muted{font-size:14.5px;line-height:1.6}
.cred{margin-top:24px;display:flex;flex-direction:column;gap:11px;text-align:left}
.cred-row{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.045);border:1px solid var(--stroke);border-radius:14px;padding:13px 15px;transition:.2s}
.cred-row:hover{border-color:var(--stroke-2);background:rgba(255,255,255,.07)}
.cred-label{font-size:11.5px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted);width:88px;flex:none}
.cred-row code{flex:1;font-size:19px;font-weight:700;letter-spacing:.14em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cred-row code.key{color:#00e0c6}
.cred-row code.link{font-size:12.5px;letter-spacing:0;color:#b9bfd4}
.key-actions{display:flex;gap:12px;margin-top:22px}
.key-actions .btn{flex:1}
.center-note{margin-top:16px}

/* ---------------- chat layout ---------------- */
.chat{flex-direction:row;height:100dvh;overflow:hidden}
.sidebar{width:290px;flex:none;padding:20px 18px;display:flex;flex-direction:column;gap:16px;border-right:1px solid var(--stroke);background:rgba(10,10,18,.72);z-index:40}
.side-head{display:flex;align-items:center;gap:12px}
.side-head>div{flex:1;min-width:0}
.side-head strong{display:block;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-head small{color:var(--muted);font-size:12px;letter-spacing:.1em}
.key-box{background:rgba(124,92,255,.09);border:1px solid rgba(124,92,255,.32);border-radius:15px;padding:13px}
.kb-row{display:flex;align-items:center;gap:9px;font-size:12px;color:#b9bfd4}
.kb-row span{flex:none}
.kb-row code{flex:1;font-size:14.5px;font-weight:700;letter-spacing:.14em;color:#00e0c6;text-align:center;overflow:hidden}
.kb-actions{display:flex;gap:8px;margin-top:11px}
.mini{flex:1;font-size:12.5px;font-weight:600;padding:8px;border-radius:9px;background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--txt);transition:.2s}
.mini:hover{background:rgba(255,255,255,.14)}
.mini.danger{color:#ff8ba3;border-color:rgba(255,92,122,.35)}
.mini.danger:hover{background:rgba(255,92,122,.18)}
.mini-note{font-size:11px;color:var(--muted);margin-top:9px;line-height:1.5}
.side-label{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.members{list-style:none;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1;min-height:60px;padding-right:2px}
.members li{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid transparent;animation:fade .3s both}
.members li:hover{border-color:var(--stroke);background:rgba(255,255,255,.07)}
.avatar{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;font-weight:700;font-size:13px;color:#0a0a12}
.members .m-name{flex:1;min-width:0;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.members .m-name em{font-style:normal;font-size:10px;color:#00e0c6;background:rgba(0,224,198,.12);border:1px solid rgba(0,224,198,.3);padding:2px 6px;border-radius:6px;margin-left:6px;text-transform:uppercase}
.members .m-name em.you{color:#c5b6ff;background:rgba(124,92,255,.15);border-color:rgba(124,92,255,.4)}
.side-foot{font-size:11px;color:#5a5f78;text-align:center;letter-spacing:.1em;text-transform:uppercase}
.only-mobile{display:none}
.scrim{display:none}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 20px;border-bottom:1px solid var(--stroke);background:rgba(10,10,18,.6);z-index:20}
.tb-info{flex:1;min-width:0}
.tb-info strong{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill{font-size:11.5px;color:var(--muted);display:inline-flex;align-items:center;gap:7px;margin-top:3px}
.pill.off i{background:var(--danger);animation:none}
.tb-right{display:flex;align-items:center;gap:12px}
.avatars{display:flex}
.avatars .avatar{width:30px;height:30px;border-radius:50%;border:2px solid #0b0b13;margin-left:-9px;font-size:12px}
.avatars .avatar:first-child{margin-left:0}

/* ---------------- messages ---------------- */
.messages{flex:1;overflow-y:auto;padding:26px clamp(16px,4vw,44px) 12px;display:flex;flex-direction:column;gap:15px;scroll-behavior:smooth}
.messages::-webkit-scrollbar,.members::-webkit-scrollbar{width:8px}
.messages::-webkit-scrollbar-thumb,.members::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px}
.day-sep{display:flex;align-items:center;gap:14px;color:#6d7290;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;margin:6px 0}
.day-sep::before,.day-sep::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--stroke),transparent)}
.sys{text-align:center;font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);border:1px dashed var(--stroke);padding:7px 16px;border-radius:999px;align-self:center;max-width:80%}
.msg{display:flex;gap:11px;max-width:min(680px,86%);animation:msgIn .32s cubic-bezier(.2,.8,.3,1) both}
@keyframes msgIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.msg .avatar{width:34px;height:34px;border-radius:11px;margin-top:2px}
.bubble{background:rgba(255,255,255,.055);border:1px solid var(--stroke);border-radius:4px 16px 16px 16px;padding:11px 15px 9px;min-width:0}
.bubble .meta{display:flex;align-items:baseline;gap:9px;margin-bottom:5px}
.bubble .meta b{font-size:13.5px}
.bubble .meta time{font-size:10.5px;color:#6d7290}
.bubble .text{font-size:15px;line-height:1.6;word-wrap:break-word;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .bubble{background:linear-gradient(135deg,rgba(124,92,255,.9),rgba(168,85,247,.82));border-color:transparent;border-radius:16px 4px 16px 16px;box-shadow:0 12px 30px rgba(124,92,255,.28)}
.msg.me .meta time{color:rgba(255,255,255,.72)}
.msg.me .avatar{border-radius:11px}
.empty-state{margin:auto;text-align:center;color:var(--muted);max-width:360px}
.empty-state .big{font-size:46px;margin-bottom:12px}
.empty-state h3{color:var(--txt);font-size:20px;margin-bottom:8px}
.empty-state p{font-size:14px;line-height:1.65}

.typing{height:26px;padding:0 clamp(16px,4vw,44px);font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:9px;opacity:0;transition:.2s}
.typing.show{opacity:1}
.dots{display:inline-flex;gap:3px}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--brand-2);animation:bounce 1.2s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}

/* ---------------- composer ---------------- */
.composer{display:flex;align-items:flex-end;gap:11px;padding:14px clamp(14px,3vw,26px);border-top:1px solid var(--stroke);background:rgba(10,10,18,.65);position:relative}
.composer textarea{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--stroke);border-radius:15px;padding:13px 15px;font-size:15px;resize:none;max-height:150px;outline:none;transition:.2s;line-height:1.5}
.composer textarea:focus{border-color:rgba(124,92,255,.7);box-shadow:0 0 0 4px rgba(124,92,255,.13)}
.composer textarea::placeholder{color:#6d7290}
.send{width:48px;height:48px;flex:none;border-radius:15px;background:var(--accent-grad);color:#0a0a12;display:grid;place-items:center;transition:.2s;box-shadow:0 10px 26px rgba(124,92,255,.4)}
.send:hover{transform:translateY(-2px) scale(1.03)}
.send:active{transform:scale(.94)}
.emoji-wrap{position:relative}
.emoji-picker{position:absolute;bottom:56px;left:0;width:296px;background:rgba(15,15,26,.97);border:1px solid var(--stroke-2);border-radius:16px;padding:12px;display:grid;grid-template-columns:repeat(8,1fr);gap:4px;box-shadow:var(--shadow);z-index:60;animation:fade .2s both}
.emoji-picker button{font-size:19px;padding:5px;border-radius:8px;transition:.15s}
.emoji-picker button:hover{background:rgba(255,255,255,.12);transform:scale(1.18)}

/* ---------------- toasts ---------------- */
.toasts{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:9px;align-items:center;pointer-events:none}
.toast{background:rgba(16,16,28,.96);border:1px solid var(--stroke-2);color:var(--txt);padding:12px 18px;border-radius:13px;font-size:14px;box-shadow:var(--shadow);animation:toastIn .35s cubic-bezier(.2,.8,.3,1) both;max-width:92vw;text-align:center}
.toast.ok{border-color:rgba(47,224,141,.45)}
.toast.err{border-color:rgba(255,92,122,.5)}
.toast.out{animation:toastOut .3s both}
@keyframes toastIn{from{opacity:0;transform:translateY(-16px) scale(.95)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-14px) scale(.96)}}

/* ---------------- responsive ---------------- */
@media(max-width:900px){
  .sidebar{position:fixed;inset:0 auto 0 0;transform:translateX(-105%);transition:transform .3s cubic-bezier(.2,.8,.3,1);width:min(320px,86vw)}
  .sidebar.open{transform:none;box-shadow:40px 0 90px rgba(0,0,0,.6)}
  .scrim{display:block;position:fixed;inset:0;background:rgba(4,4,10,.6);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:.3s;z-index:35}
  .scrim.show{opacity:1;pointer-events:auto}
  .only-mobile{display:inline-flex}
  .two{grid-template-columns:1fr}
  .avatars{display:none}
  .key-card{padding:26px 20px}
  .cred-row{flex-wrap:wrap}
  .cred-label{width:100%}
}
@media(max-width:520px){
  .entry{padding:24px 16px}
  .hero h1{font-size:33px}
  .join-card{padding:17px}
  .msg{max-width:94%}
  .messages{padding:18px 14px 8px}
}

/* ============================================================
   Seen / read receipts
   ============================================================ */
.bubble .status{display:block;margin-top:5px;font-size:10.5px;letter-spacing:.06em;color:#7f86a3;text-align:right;text-transform:uppercase}
.msg.me .bubble .status{color:rgba(255,255,255,.68)}
.msg.me .bubble .status.seen{color:#7ef7d6;font-weight:600}
.msg.me .bubble .status.partial{color:#cbb9ff}

/* ============================================================
   Calls
   ============================================================ */
.call-wrap{position:relative}
.call-open{width:38px;height:38px;background:rgba(0,224,198,.1);border-color:rgba(0,224,198,.3);color:#00e0c6}
.call-open:hover{background:rgba(0,224,198,.2);color:#5ff5e0}
.call-picker{position:absolute;top:46px;right:0;width:262px;background:rgba(15,15,26,.97);border:1px solid var(--stroke-2);border-radius:16px;padding:9px;box-shadow:var(--shadow);z-index:70;animation:fade .2s both}
.call-picker h4{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:7px 9px 9px}
.cp-row{display:flex;align-items:center;gap:9px;padding:8px 9px;border-radius:11px;transition:.18s}
.cp-row:hover{background:rgba(255,255,255,.08)}
.cp-row .m-name{flex:1;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cp-row .icon-btn{width:31px;height:31px}
.cp-row .icon-btn.av{color:#00e0c6;background:rgba(0,224,198,.1);border-color:rgba(0,224,198,.28)}
.cp-empty{padding:14px 10px;font-size:13px;color:var(--muted);text-align:center}

.call-modal{position:fixed;inset:0;z-index:150;display:grid;place-items:center;background:rgba(4,4,10,.7);backdrop-filter:blur(8px);animation:fade .25s both}
.cm-card{width:min(340px,92vw);padding:34px 26px 26px;border-radius:26px;text-align:center;position:relative;background:rgba(16,16,28,.96);border:1px solid var(--stroke-2);box-shadow:var(--shadow);animation:pop .35s both}
.cm-card .avatar.big{width:88px;height:88px;border-radius:50%;font-size:32px;margin:0 auto 16px;display:grid;place-items:center;position:relative;z-index:2}
.pulse-ring{position:absolute;left:50%;top:34px;width:88px;height:88px;margin-left:-44px;border-radius:50%;border:2px solid rgba(0,224,198,.6);animation:ring 1.6s ease-out infinite;z-index:1}
.pulse-ring.slow{animation-duration:2.4s}
@keyframes ring{0%{transform:scale(1);opacity:.85}100%{transform:scale(2.1);opacity:0}}
.cm-kind{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#00e0c6;margin-bottom:6px}
.cm-card h3{font-size:23px}
.cm-card .muted{font-size:13.5px;margin-top:5px}
.cm-actions{display:flex;justify-content:center;gap:34px;margin-top:26px}
.pill-btn{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;transition:.22s;animation:callShake 1s ease-in-out infinite}
.pill-btn:hover{transform:scale(1.08)}
.pill-btn:active{transform:scale(.94)}
.pill-btn.accept{background:linear-gradient(135deg,#2fe08d,#00c2a8);color:#04120c;box-shadow:0 12px 30px rgba(47,224,141,.4)}
.pill-btn.decline{background:linear-gradient(135deg,#ff5c7a,#ff3d68);color:#fff;box-shadow:0 12px 30px rgba(255,92,122,.4)}
.cm-labels{display:flex;justify-content:center;gap:34px;margin-top:11px;font-size:11.5px;color:var(--muted)}
.cm-labels span{width:62px}
@keyframes callShake{0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.14)}50%{box-shadow:0 0 0 12px rgba(255,255,255,0)}}

.callscreen{position:fixed;inset:0;z-index:160;display:flex;flex-direction:column;background:
  radial-gradient(900px 500px at 50% -10%,rgba(124,92,255,.35),transparent 60%),
  radial-gradient(700px 500px at 90% 110%,rgba(0,224,198,.22),transparent 60%),
  #07070d;animation:fade .3s both}
.cs-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;border-bottom:1px solid var(--stroke);background:rgba(10,10,18,.55)}
.cs-id{display:flex;align-items:center;gap:12px;min-width:0}
.cs-id .avatar{width:42px;height:42px;border-radius:50%;font-size:16px;display:grid;place-items:center}
.cs-id strong{display:block;font-size:16px}
.cs-status{font-size:12.5px;color:#00e0c6}
.cs-timer{font-family:'Space Grotesk',monospace;font-size:17px;letter-spacing:.1em;color:var(--muted);background:rgba(255,255,255,.06);border:1px solid var(--stroke);padding:7px 14px;border-radius:11px}
.cs-stage{flex:1;position:relative;display:grid;place-items:center;overflow:hidden;min-height:0}
.cs-stage video#remoteVideo{width:100%;height:100%;object-fit:cover;background:#05050a}
.cs-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.cs-fallback .avatar.huge{width:130px;height:130px;border-radius:50%;font-size:48px;display:grid;place-items:center;position:relative;z-index:2;border:2px solid rgba(255,255,255,.16)}
.cs-fallback .pulse-ring{top:calc(50% - 65px);width:130px;height:130px;margin-left:-65px}
.cs-fallback p{font-size:17px;color:#cdd2e4;letter-spacing:.04em}
.cs-self{position:absolute;right:20px;bottom:20px;width:clamp(120px,18vw,190px);aspect-ratio:3/4;border-radius:18px;overflow:hidden;border:2px solid rgba(255,255,255,.22);box-shadow:0 18px 44px rgba(0,0,0,.6);background:#0c0c15;transform:rotate(1.5deg)}
.cs-self video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.cs-quality{position:absolute;left:20px;top:16px;font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.72);background:rgba(8,8,16,.6);border:1px solid var(--stroke);padding:7px 13px;border-radius:999px;backdrop-filter:blur(8px)}
.cs-controls{display:flex;justify-content:center;gap:clamp(16px,5vw,42px);padding:22px 16px calc(22px + env(safe-area-inset-bottom));background:rgba(8,8,14,.7);border-top:1px solid var(--stroke);backdrop-filter:blur(14px)}
.cbtn{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11.5px;color:#cdd2e4;letter-spacing:.05em}
.cbtn svg{width:56px;height:56px;padding:17px;border-radius:50%;background:rgba(255,255,255,.09);border:1px solid var(--stroke-2);transition:.2s;box-sizing:border-box}
.cbtn:hover svg{background:rgba(255,255,255,.18);transform:translateY(-3px)}
.cbtn.off svg{background:rgba(255,92,122,.2);border-color:rgba(255,92,122,.5);color:#ff8ba3}
.cbtn.end svg{background:linear-gradient(135deg,#ff5c7a,#ff3d68);border-color:transparent;color:#fff;box-shadow:0 12px 30px rgba(255,61,104,.42);transform:rotate(135deg)}
.cbtn.end:hover svg{transform:rotate(135deg) scale(1.08)}
.cbtn[disabled]{opacity:.4;pointer-events:none}

@media(max-width:560px){
  .cs-self{width:104px;right:12px;bottom:12px}
  .cs-fallback .avatar.huge{width:104px;height:104px;font-size:38px}
  .cs-fallback .pulse-ring{top:calc(50% - 52px);width:104px;height:104px;margin-left:-52px}
  .cs-quality{left:12px;top:12px;font-size:10.5px}
  .cm-card{padding:28px 20px 22px}
}