:root{
  --bg:#11161d; --bg-soft:#161d26; --surface:#1b2430; --surface-2:#222d3b;
  --border:rgba(241,232,216,0.09); --border-strong:rgba(241,232,216,0.16);
  --accent:#e3a446; --accent-dim:#c78b34; --accent-ink:#2a1c04;
  --teal:#4bb6a2; --text:#f2e9da; --text-dim:#a9b1bc; --text-faint:#707986;
  --danger:#d97a63; --radius-lg:20px; --radius-md:14px; --radius-sm:9px;
}
*{box-sizing:border-box;}
body{
  margin:0;background:radial-gradient(900px 500px at 85% -10%, rgba(227,164,70,0.10), transparent 60%),
  radial-gradient(700px 400px at 10% 0%, rgba(75,182,162,0.08), transparent 55%), var(--bg);
  color:var(--text);font-family:'IBM Plex Sans Arabic','Tajawal',Tahoma,sans-serif;line-height:1.75;
}
h1,h2,h3,.brand{font-family:'Tajawal',sans-serif;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.btn{border:none;border-radius:11px;padding:10px 18px;font-size:14.5px;font-weight:700;display:inline-flex;align-items:center;gap:8px;}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border-strong);}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:9px;}
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(17,22,29,0.82);border-bottom:1px solid var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1180px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(145deg,var(--accent),var(--teal));display:flex;align-items:center;justify-content:center;color:#1a1206;font-weight:900;font-size:15px;}
nav.links{display:flex;gap:6px;font-size:14px;color:var(--text-dim);align-items:center;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.announce{background:rgba(227,164,70,0.1);border-bottom:1px solid rgba(227,164,70,0.25);padding:10px 0;font-size:13.5px;text-align:center;color:#f0cb8a;}
.section{padding:56px 0;}
.section-head{max-width:600px;margin:0 auto 34px;text-align:center;}
.section-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;margin:8px 0;}
.section-head p{color:var(--text-dim);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);font-weight:600;background:rgba(227,164,70,0.1);border:1px solid rgba(227,164,70,0.25);padding:5px 13px;border-radius:999px;}
.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;}
.room-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 16px;text-align:right;transition:.15s;}
.room-card:hover{border-color:var(--accent);transform:translateY(-3px);}
.room-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.room-flag{font-size:24px;}
.live-dot{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--teal);}
.live-dot i{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.room-name{font-weight:700;font-size:15px;}
.room-count{font-size:12px;color:var(--text-faint);}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;}
.form-box{max-width:420px;margin:60px auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;}
label{display:block;font-size:13.5px;color:var(--text-dim);margin:14px 0 6px;}
input[type=text],input[type=password],input[type=email],select,textarea{
  width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--border-strong);
  background:var(--surface-2);color:var(--text);font-size:14px;font-family:inherit;
}
.err{background:rgba(217,122,99,0.12);border:1px solid rgba(217,122,99,0.4);color:#f0b6a6;padding:10px 14px;border-radius:9px;font-size:13.5px;margin:14px 0;}
.ok-msg{background:rgba(75,182,162,0.12);border:1px solid rgba(75,182,162,0.4);color:#a3ded2;padding:10px 14px;border-radius:9px;font-size:13.5px;margin:14px 0;}
footer{border-top:1px solid var(--border);padding:32px 0;font-size:13px;color:var(--text-faint);}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;}

/* ============ CHAT ROOM — WhatsApp-inspired ============ */
:root{
  --chat-bg:#0c1015;
  --bubble-in:#1f2a37;
  --bubble-out:#1f5a4e;
  --bubble-out-2:#e3a446;
  --tick-sent:#8a95a3;
  --tick-seen:#5ac8e0;
  --chat-header-h:60px;
  --input-h:64px;
}
html{ -webkit-text-size-adjust:100%; }
.chat-shell{
  position:relative;
  display:flex;height:100vh;height:100dvh;
  background:
    radial-gradient(560px 320px at 90% 0%, rgba(227,164,70,0.06), transparent 60%),
    radial-gradient(480px 280px at 0% 100%, rgba(75,182,162,0.05), transparent 55%),
    var(--chat-bg);
  overflow:hidden;
}
.chat-side{
  width:250px;flex-shrink:0;background:var(--surface);
  border-inline-start:1px solid var(--border);
  display:flex;flex-direction:column;
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:40;
}
.chat-side-head{
  padding:16px 18px 12px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);flex-shrink:0;
}
.chat-side-head h4{font-size:12.5px;color:var(--text-faint);margin:0;letter-spacing:.02em;font-weight:600;}
.chat-side-close{display:none;background:none;border:none;color:var(--text-dim);font-size:20px;line-height:1;padding:4px;border-radius:8px;cursor:pointer;}
.chat-side-close:hover{background:var(--surface-2);color:var(--text);}
.chat-side-list{flex:1;overflow-y:auto;padding:8px 10px;}
.user-row{
  display:flex;align-items:center;gap:10px;padding:9px 10px;font-size:13.5px;
  border-radius:10px;transition:background .15s;
}
.user-row:hover{background:var(--surface-2);}
.user-row .user-avatar{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;
  justify-content:center;font-size:12.5px;font-weight:700;color:#12181f;position:relative;
}
.user-row .user-avatar::after{
  content:'';position:absolute;bottom:-1px;left:-1px;width:9px;height:9px;border-radius:50%;
  background:var(--teal);border:2px solid var(--surface);
}
.user-row .u-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chat-side-overlay{
  position:fixed;inset:0;background:rgba(6,8,11,0.55);opacity:0;pointer-events:none;
  transition:opacity .25s;z-index:35;
}
.chat-side-overlay.show{opacity:1;pointer-events:auto;}

.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;}
.chat-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:0 16px;height:var(--chat-header-h);flex-shrink:0;
  background:var(--surface);border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(0,0,0,0.15);position:relative;z-index:10;
}
.chat-head-left{display:flex;align-items:center;gap:12px;min-width:0;}
.chat-head-flag{
  width:38px;height:38px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;
}
.chat-head-titles{min-width:0;}
.chat-head-titles .t1{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-head-titles .t2{font-size:12px;color:var(--teal);display:flex;align-items:center;gap:5px;}
.chat-head-titles .t2 i{width:6px;height:6px;border-radius:50%;background:var(--teal);animation:dotpulse 1.8s infinite;}
.chat-head-actions{display:flex;align-items:center;gap:6px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:none;background:transparent;color:var(--text-dim);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,color .15s;flex-shrink:0;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text);}
.icon-btn svg{width:19px;height:19px;}
.mobile-only{display:none;}

.chat-messages{
  flex:1;overflow-y:auto;padding:18px 14px 10px;display:flex;flex-direction:column;gap:3px;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(227,164,70,0.025) 0, transparent 3%),
    radial-gradient(circle at 85% 60%, rgba(75,182,162,0.025) 0, transparent 3%),
    radial-gradient(circle at 40% 85%, rgba(227,164,70,0.02) 0, transparent 3%);
  background-size:120px 120px;
  scroll-behavior:smooth;
}
.date-sep{
  align-self:center;background:var(--surface);color:var(--text-dim);font-size:11.5px;
  padding:5px 14px;border-radius:999px;margin:14px 0 10px;border:1px solid var(--border);
  animation:msgin .3s ease both;
}
.msg{
  display:flex;gap:8px;max-width:76%;margin:3px 0;
  animation:msgin .32s cubic-bezier(.2,.7,.3,1) both;
}
.msg.me{align-self:flex-end;flex-direction:row-reverse;}
.msg.system{align-self:center;max-width:90%;}
.msg .av{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;
  justify-content:center;font-size:10.5px;font-weight:700;color:#12181f;margin-top:auto;
}
.bubble-wrap{display:flex;flex-direction:column;min-width:0;}
.bubble{
  position:relative;background:var(--bubble-in);border:1px solid var(--border);
  border-radius:16px 16px 16px 4px;padding:8px 11px 7px;font-size:14.5px;line-height:1.55;
  word-break:break-word;box-shadow:0 1px 1px rgba(0,0,0,0.15);
}
.msg.me .bubble{
  background:linear-gradient(155deg,var(--bubble-out-2),var(--accent-dim));
  color:var(--accent-ink);border-color:transparent;font-weight:500;
  border-radius:16px 16px 4px 16px;
}
.msg-name{font-size:11.5px;font-weight:700;margin-bottom:2px;}
.msg-meta{
  display:flex;align-items:center;gap:4px;justify-content:flex-end;
  font-size:10px;color:var(--text-faint);margin-top:3px;opacity:.85;
}
.msg.me .msg-meta{color:rgba(42,28,4,0.6);}
.msg-meta .ticks{display:inline-flex;}
.msg-meta .ticks svg{width:14px;height:14px;}
.msg-meta .ticks.seen svg{color:var(--tick-seen);}
.msg-meta .ticks svg{color:var(--tick-sent);}
.msg.me .msg-meta .ticks svg{color:rgba(42,28,4,0.55);}
.msg.me .msg-meta .ticks.seen svg{color:#1c6b5c;}
.bubble img{max-width:230px;border-radius:11px;display:block;cursor:zoom-in;}
.msg.system .bubble{
  background:rgba(227,164,70,0.08);border-color:rgba(227,164,70,0.25);color:var(--text-dim);
  font-size:12.5px;padding:6px 12px;border-radius:999px;
}

.typing-row{display:flex;align-items:center;gap:10px;padding:2px 0 8px;animation:msgin .25s ease both;}
.typing-bubble{
  background:var(--bubble-in);border:1px solid var(--border);border-radius:16px 16px 16px 4px;
  padding:10px 14px;display:flex;gap:4px;
}
.typing-bubble span{width:6px;height:6px;border-radius:50%;background:var(--text-faint);animation:tbounce 1.2s infinite;}
.typing-bubble span:nth-child(2){animation-delay:.15s;}
.typing-bubble span:nth-child(3){animation-delay:.3s;}

.scroll-fab{
  position:absolute;bottom:86px;left:50%;transform:translateX(-50%) translateY(12px);
  background:var(--surface);border:1px solid var(--border-strong);color:var(--text);
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,0.35);opacity:0;pointer-events:none;transition:all .22s;cursor:pointer;z-index:8;
}
.scroll-fab.show{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.scroll-fab .badge{
  position:absolute;top:-4px;left:-4px;background:var(--accent);color:var(--accent-ink);
  font-size:10px;font-weight:800;min-width:16px;height:16px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;padding:0 3px;
}

.chat-input-row{
  display:flex;align-items:flex-end;gap:8px;padding:10px 14px;
  padding-bottom:calc(10px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;
}
.chat-input-pill{
  flex:1;display:flex;align-items:center;background:var(--surface-2);
  border:1px solid var(--border-strong);border-radius:24px;padding:4px 6px 4px 6px;transition:border-color .15s;
}
.chat-input-pill:focus-within{border-color:var(--accent);}
.chat-input-pill input[type=text]{
  flex:1;border:none;background:transparent;padding:9px 10px;font-size:14.5px;box-shadow:none;
}
.chat-input-pill input[type=text]:focus{outline:none;}
.attach-label{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--text-dim);cursor:pointer;flex-shrink:0;transition:background .15s,color .15s;
}
.attach-label:hover{background:var(--surface);color:var(--accent);}
.attach-label svg{width:19px;height:19px;}
.send-fab{
  width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--accent-ink);
  border:none;display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;
  transition:transform .15s, background .15s;box-shadow:0 4px 14px rgba(227,164,70,0.3);
}
.send-fab:active{transform:scale(0.88);}
.send-fab svg{width:20px;height:20px;transform:translateX(-1px);}
.send-fab.pop{animation:sendpop .35s ease;}

@keyframes msgin{ from{opacity:0;transform:translateY(10px) scale(.97);} to{opacity:1;transform:translateY(0) scale(1);} }
@keyframes dotpulse{ 0%,100%{opacity:1;} 50%{opacity:.3;} }
@keyframes tbounce{ 0%,60%,100%{transform:translateY(0);opacity:.5;} 30%{transform:translateY(-4px);opacity:1;} }
@keyframes sendpop{ 0%{transform:scale(1);} 40%{transform:scale(.8) rotate(-8deg);} 100%{transform:scale(1);} }
@keyframes drawerin{ from{transform:translateX(102%);} to{transform:translateX(0);} }
@keyframes ringpulse{ 0%{box-shadow:0 0 0 0 rgba(227,164,70,0.4);} 100%{box-shadow:0 0 0 12px rgba(227,164,70,0);} }
.new-msg-ring{animation:ringpulse .9s ease-out;}

@media (prefers-reduced-motion: reduce){
  .msg, .date-sep, .typing-row, .send-fab.pop, .new-msg-ring{ animation:none !important; }
}

/* ===== Responsive ===== */
@media (max-width:860px){
  .chat-side{
    position:fixed;inset-inline-end:0;top:0;bottom:0;width:82%;max-width:320px;
    transform:translateX(102%);box-shadow:-10px 0 40px rgba(0,0,0,0.4);
  }
  html[dir="rtl"] .chat-side{ transform:translateX(-102%); }
  .chat-side.open{transform:translateX(0);}
  .chat-side-close{display:flex;}
  .mobile-only{display:flex;}
  .msg{max-width:85%;}
}
@media (max-width:520px){
  .chat-head{padding:0 10px;}
  .chat-head-flag{width:34px;height:34px;font-size:17px;}
  .chat-head-titles .t1{font-size:14px;}
  .chat-messages{padding:14px 8px 6px;}
  .msg{max-width:88%;}
  .chat-input-row{padding:8px 8px calc(8px + env(safe-area-inset-bottom));}
  .send-fab{width:40px;height:40px;}
  .attach-label{width:32px;height:32px;}
}
@media (max-width:360px){
  .msg{max-width:92%;}
  .bubble{font-size:14px;}
}


/* ===== Inbox (contact list, WhatsApp-like) ===== */
.inbox-list{display:flex;flex-direction:column;gap:2px;}
.inbox-row{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;
  background:var(--surface);border:1px solid var(--border);margin-bottom:8px;
  transition:background .15s, transform .15s;
}
.inbox-row:hover{background:var(--surface-2);transform:translateY(-1px);}
.inbox-row .ib-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:15px;color:#12181f;position:relative;
}
.inbox-row .ib-avatar::after{
  content:'';position:absolute;bottom:0;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--teal);border:2px solid var(--surface);
}
.inbox-row .ib-body{flex:1;min-width:0;}
.inbox-row .ib-top{display:flex;justify-content:space-between;align-items:center;gap:8px;}
.inbox-row .ib-name{font-weight:700;font-size:14.5px;}
.inbox-row .ib-time{font-size:11.5px;color:var(--text-faint);flex-shrink:0;}
.inbox-row .ib-preview{font-size:13px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;}
.inbox-row .ib-unread{
  background:var(--accent);color:var(--accent-ink);font-size:11px;font-weight:800;
  min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  padding:0 5px;flex-shrink:0;
}
.inbox-empty{text-align:center;padding:60px 20px;color:var(--text-faint);}
.inbox-empty svg{width:56px;height:56px;margin:0 auto 14px;opacity:.5;}

/* PM conversation reuses .chat-shell / .chat-messages / .msg / .bubble */
.pm-shell{max-width:640px;margin:0 auto;}

/* ===== Top nav (icons + kebab) ===== */
.nav-link{
  display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:9px;
  transition:background .15s,color .15s;font-weight:500;position:relative;
}
.nav-link:hover{background:var(--surface-2);color:var(--text);}
.nav-link.active{color:var(--accent);}
.nav-link svg{width:17px;height:17px;flex-shrink:0;}
.nav-link .nb{
  position:absolute;top:2px;left:2px;background:var(--accent);color:var(--accent-ink);
  font-size:10px;font-weight:800;min-width:16px;height:16px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.kebab-btn{display:none;}
.mobile-sheet{
  position:fixed;top:60px;left:12px;z-index:120;background:var(--surface-2);
  border:1px solid var(--border-strong);border-radius:14px;min-width:220px;
  box-shadow:0 20px 50px rgba(0,0,0,0.5);overflow:hidden;opacity:0;transform:translateY(-8px);
  pointer-events:none;transition:opacity .18s,transform .18s;
}
html[dir="rtl"] .mobile-sheet{left:auto;right:12px;}
.mobile-sheet.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-sheet a, .mobile-sheet .ms-item{
  display:flex;align-items:center;gap:10px;padding:12px 16px;font-size:14px;color:var(--text);
  border-bottom:1px solid var(--border);text-decoration:none;
}
.mobile-sheet a:last-child{border-bottom:none;}
.mobile-sheet a:hover{background:var(--surface);}
.mobile-sheet svg{width:17px;height:17px;color:var(--text-dim);flex-shrink:0;}
.sheet-overlay{position:fixed;inset:0;background:rgba(6,8,11,0.5);z-index:110;opacity:0;pointer-events:none;transition:opacity .18s;}
.sheet-overlay.show{opacity:1;pointer-events:auto;}

/* ===== Bottom tab bar (mobile) ===== */
.bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:rgba(23,31,42,0.92);backdrop-filter:blur(16px);
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
}
.bottom-nav-inner{display:flex;align-items:stretch;justify-content:space-around;height:58px;}
.bn-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--text-faint);text-decoration:none;position:relative;transition:color .15s;
}
.bn-item svg{width:22px;height:22px;transition:transform .15s;}
.bn-item span{font-size:10.5px;font-weight:600;}
.bn-item.active{color:var(--accent);}
.bn-item.active svg{transform:translateY(-1px);}
.bn-item .bn-badge{
  position:absolute;top:2px;right:calc(50% - 20px);background:var(--accent);color:var(--accent-ink);
  font-size:10px;font-weight:800;min-width:16px;height:16px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
  box-shadow:0 0 0 2px var(--surface);
}
.has-bottom-nav{padding-bottom:calc(58px + env(safe-area-inset-bottom));}

@media (max-width:860px){
  nav.links{display:none;}
  .kebab-btn{display:flex;}
  .bottom-nav{display:block;}
  .mobile-only-hide{display:none;}
  .nav-cta .btn{display:none;}
}