:root{
  --bg:#07090f;
  --bg-elev:#0d1018;
  --panel:rgba(14,17,26,.82);
  --panel-2:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#f4f7ff;
  --text-soft:#e5ebfb;
  --muted:#9ea7bf;
  --accent:#ff385c;
  --accent-2:#7a5cff;
  --success:#34d399;
  --warning:#fbbf24;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --radius:22px;
  --radius-sm:16px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(255,56,92,.10), transparent 28%),
    radial-gradient(circle at bottom right, rgba(122,92,255,.10), transparent 30%),
    linear-gradient(180deg,#06070c,#090b12 35%,#05060b 100%);
  min-height:100vh;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button,input,select,textarea{font:inherit}
p,li{line-height:1.72}
p{max-width:74ch}
.noise{
  position:fixed; inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:4px 4px; opacity:.028; pointer-events:none; z-index:-1;
}
.mesh{
  position:fixed;border-radius:999px;filter:blur(110px);opacity:.17;pointer-events:none;z-index:-1;
  animation:floatMesh 18s ease-in-out infinite;
}
.mesh-a{width:420px;height:420px;background:#ff385c;top:-80px;right:-90px}
.mesh-b{width:460px;height:460px;background:#675cff;bottom:-130px;left:-100px;animation-delay:-8s}
@keyframes floatMesh{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(18px,-12px,0) scale(1.06)}
}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 28px;position:sticky;top:0;backdrop-filter:blur(18px);
  background:rgba(6,8,13,.62);border-bottom:1px solid var(--line);z-index:40
}
.topbar-left{display:flex;align-items:center;gap:14px}
.topbar nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.topbar nav a{
  padding:10px 14px;border-radius:999px;color:var(--muted);transition:all .22s ease;position:relative
}
.topbar nav a:hover,.topbar nav a:focus-visible{background:rgba(255,255,255,.05);color:var(--text);outline:none}
.brand{display:flex;align-items:center;gap:12px;font-weight:780;letter-spacing:.02em}
.brand-mark{
  width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#fff);
  box-shadow:0 0 34px rgba(255,56,92,.55)
}
.nav-badge{
  display:inline-grid;place-items:center;margin-left:8px;min-width:20px;height:20px;padding:0 6px;border-radius:999px;
  font-size:.74rem;background:rgba(255,56,92,.14);border:1px solid rgba(255,56,92,.35);color:#fff
}
.page-shell{max-width:1380px;margin:0 auto;padding:28px 24px 48px}
.hero{display:grid;grid-template-columns:1.16fr .84fr;gap:28px;align-items:center;padding:48px 0 30px}
.hero-card,.panel,.metric,.feature,.list-card,.auth-card,.message-shell,.feed-card,.room-card,.glass-card,.drawer-card{
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(24px);border-radius:var(--radius)
}
.hero-card{padding:42px}
.badge,.tag,.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);color:#dfe5f7;font-size:.92rem
}
.hero h1{
  font-size:clamp(2.85rem,6vw,5.8rem);line-height:.92;margin:20px 0 18px;letter-spacing:-.055em;
  max-width:11ch
}
.text-gradient{
  background:linear-gradient(135deg,#fff,var(--accent-2),#9d7cff 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent
}
.lead{font-size:1.06rem;line-height:1.84;color:var(--muted);max-width:66ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.button{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:760;border:none;cursor:pointer;
  box-shadow:0 12px 34px rgba(255,56,92,.22);transition:transform .18s ease, box-shadow .18s ease, opacity .18s ease
}
.button:hover,.button:focus-visible{transform:translateY(-1px);box-shadow:0 16px 36px rgba(255,56,92,.30);outline:none}
.button.secondary{background:rgba(255,255,255,.05);border:1px solid var(--line);box-shadow:none}
.button.small{padding:10px 14px;border-radius:12px}
.icon-button{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;cursor:pointer
}
.mobile-only{display:none}
.hero-side{padding:24px;display:grid;gap:14px}
.metric{padding:18px 20px}
.metric .value{font-size:2rem;font-weight:800}
.metric .label,.muted{color:var(--muted)}
.section-title{font-size:2rem;letter-spacing:-.03em;margin:10px 0 18px}
.grid-3,.grid-2,.stats-grid,.cards-grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(4,1fr)}
.cards-grid{grid-template-columns:repeat(3,1fr)}
.feature{padding:22px;position:relative;overflow:hidden}
.feature::after{
  content:"";position:absolute;inset:auto -20% -55% auto;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,56,92,.18),transparent 60%);pointer-events:none
}
.feature h3{margin:8px 0 10px;font-size:1.08rem}
.icon-pill{width:46px;height:46px;border-radius:15px;background:rgba(255,255,255,.05);display:grid;place-items:center;border:1px solid var(--line);font-size:1.2rem}
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.price-card{padding:28px}
.price-big{font-size:2.8rem;font-weight:820}
.auth-wrap{display:grid;place-items:center;min-height:75vh}
.auth-card{width:min(600px,100%);padding:28px}
label{display:block;margin:12px 0 8px;color:#d7def2;font-weight:650}
input,select,textarea{
  width:100%;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.04);color:var(--text);
  border:1px solid rgba(255,255,255,.08);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease
}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{
  border-color:rgba(255,56,92,.6);box-shadow:0 0 0 4px rgba(255,56,92,.12);background:rgba(255,255,255,.055)
}
.notice{padding:14px 18px;border-radius:14px;margin-bottom:18px;border:1px solid var(--line)}
.notice.success{background:rgba(61,220,151,.12);color:#d9fff0}
.notice.error{background:rgba(255,56,92,.12);color:#ffe1e6}
.dashboard{display:grid;grid-template-columns:300px 1fr;gap:20px}
.sidebar,.content{min-width:0}
.sidebar .panel,.content .panel,.glass-card{padding:20px}
.sidebar-stack{display:grid;gap:16px}
.avatar{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font-weight:820;color:#fff;
  background:linear-gradient(135deg,#31364c,var(--accent));border:1px solid rgba(255,255,255,.1)
}
.profile-head{display:flex;gap:14px;align-items:center}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kpi{padding:18px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.kpi .num{font-size:1.75rem;font-weight:820}
.list{display:grid;gap:12px}
.list-row{
  display:flex;justify-content:space-between;gap:16px;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.03);
  border:1px solid transparent;transition:border-color .18s ease, transform .18s ease
}
.list-row:hover{border-color:var(--line);transform:translateY(-1px)}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tab{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted)}
.tab.active{background:rgba(255,56,92,.12);color:#fff;border-color:rgba(255,56,92,.35)}
.chat-layout{
  display:grid;grid-template-columns:320px minmax(0,1fr);gap:18px;min-height:76vh;align-items:stretch
}
.conversation-list,.chat-pane{padding:18px;min-height:0}
.conversation-toolbar{display:grid;gap:12px;margin-bottom:14px}
.conv-list-scroll{max-height:62vh;overflow:auto;padding-right:6px}
.conv-item{
  display:grid;grid-template-columns:1fr auto;gap:10px;padding:14px;border-radius:18px;border:1px solid transparent;
  background:rgba(255,255,255,.03);margin-bottom:10px;transition:all .18s ease
}
.conv-item.active,.conv-item:hover{border-color:var(--line-strong);background:rgba(255,255,255,.055)}
.conv-main{display:grid;gap:3px}
.chat-pane{display:grid;grid-template-rows:auto auto 1fr auto}
.chat-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)
}
.chat-log{
  display:grid;gap:14px;max-height:60vh;overflow:auto;padding:18px 8px 6px 0;scroll-behavior:smooth
}
.msg{
  max-width:min(880px,88%);padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)
}
.msg.mine{margin-left:auto;background:linear-gradient(180deg,rgba(255,56,92,.14),rgba(255,56,92,.07));border-color:rgba(255,56,92,.25)}
.msg-meta{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:.88rem;margin-bottom:8px}
.msg-body{line-height:1.82;font-size:1rem;color:var(--text-soft);overflow-wrap:anywhere}
.msg-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.msg-actions button,.pill{
  background:rgba(255,255,255,.05);border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:#e9efff;cursor:pointer
}
.msg-actions button:hover,.pill:hover{border-color:var(--line-strong)}
.chat-form{display:grid;gap:12px;margin-top:14px}
.compose-shell{padding-top:12px;border-top:1px solid var(--line)}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.room-grid,.feed-grid{display:grid;gap:18px}
.room-grid{grid-template-columns:repeat(2,1fr)}
.feed-grid{grid-template-columns:1.24fr .76fr}
.feed-card,.room-card{padding:18px}
.post{
  padding:18px;border-radius:20px;background:rgba(255,255,255,.03);border:1px solid var(--line);margin-bottom:14px
}
.post-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.post-body{line-height:1.82;color:var(--text-soft)}
.post-actions,.comment-list{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.comment{
  padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid var(--line);margin-top:10px
}
.footer-mini{margin-top:22px;color:var(--muted);font-size:.92rem;text-align:center}
.landing-section{padding:20px 0 10px}
.security-band{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-chip{padding:16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.hidden-mobile{display:block}
.typing{color:var(--warning);font-size:.9rem;min-height:1.2rem;padding-top:8px}
hr.separator{border:none;border-top:1px solid var(--line);margin:22px 0}
.notification-drawer{
  position:fixed;inset:82px 18px auto auto;z-index:55;width:min(420px,calc(100vw - 36px))
}
.drawer-card{padding:18px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.drawer-list{display:grid;gap:10px;max-height:56vh;overflow:auto}
.alert-item{
  display:grid;gap:6px;padding:14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line)
}
.alert-item.unread{border-color:rgba(255,56,92,.35);box-shadow:inset 0 0 0 1px rgba(255,56,92,.18)}
.alert-meta{display:flex;justify-content:space-between;gap:10px;font-size:.86rem;color:var(--muted)}
.drawer-actions{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:12px}
.toast-stack{
  position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:60;width:min(380px,calc(100vw - 36px))
}
.toast{
  padding:14px 16px;border-radius:16px;background:rgba(11,14,22,.92);border:1px solid var(--line-strong);
  box-shadow:var(--shadow);animation:toastIn .28s ease both
}
.toast-title{font-weight:700;margin-bottom:4px}
.toast-body{color:var(--muted);font-size:.95rem;line-height:1.55}
.toast-actions{display:flex;justify-content:flex-end;margin-top:10px}
@keyframes toastIn{
  from{opacity:0;transform:translateY(12px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.settings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.switch{
  display:inline-flex;align-items:center;gap:10px;padding:8px 0;cursor:pointer;color:var(--text-soft)
}
.switch input{width:auto}
.search-input{padding-right:42px}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.hero-marketing{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px
}
.hero-marketing .stat-chip{min-height:112px}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease, transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (max-width:1100px){
  .hero,.dashboard,.chat-layout,.feed-grid{grid-template-columns:1fr}
  .grid-3,.cards-grid,.stats-grid,.room-grid,.security-band,.settings-grid,.hero-marketing{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr}
  .sidebar{order:2}
}
@media (max-width:760px){
  .page-shell{padding:20px 14px 40px}
  .topbar{padding:16px 14px}
  .topbar nav[data-sidebar-nav]{
    position:fixed;left:14px;right:14px;top:72px;display:none;flex-direction:column;align-items:stretch;
    padding:14px;border:1px solid var(--line);background:rgba(9,11,17,.94);border-radius:20px;box-shadow:var(--shadow)
  }
  .topbar nav[data-sidebar-nav].open{display:flex}
  .mobile-only{display:inline-grid;place-items:center}
  .grid-3,.grid-2,.cards-grid,.stats-grid,.room-grid,.security-band,.kpis,.settings-grid,.hero-marketing{grid-template-columns:1fr}
  .hero-card{padding:28px}
  .hero h1{font-size:2.7rem}
  .hidden-mobile{display:none}
  .msg{max-width:100%}
}