:root{--bg:#080a12;--panel:rgba(18,22,38,.9);--panel-soft:rgba(255,255,255,.055);--panel-strong:rgba(255,255,255,.105);--line:rgba(255,255,255,.1);--text:#f7f8ff;--muted:#9aa3bc;--accent:#7c5cff;--accent2:#00d4ff;--good:#55e6a5;--warn:#ffd166;--danger:#ff6b7a;--shadow:0 24px 80px rgba(0,0,0,.35)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(124,92,255,.28),transparent 35%),radial-gradient(circle at bottom right,rgba(0,212,255,.15),transparent 35%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif}button,input,select{font:inherit}button{border:0;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48;filter:saturate(.4)}.hidden{display:none!important}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(1120px,100%);display:grid;grid-template-columns:1.05fr .95fr;gap:22px;padding:18px;border:1px solid var(--line);border-radius:34px;background:rgba(12,15,27,.72);box-shadow:var(--shadow);backdrop-filter:blur(24px)}.auth-copy,.auth-panel{border-radius:28px;padding:36px}.auth-copy{background:linear-gradient(145deg,rgba(124,92,255,.25),rgba(0,212,255,.08));display:flex;flex-direction:column;justify-content:space-between;min-height:590px}.auth-copy h1{font-size:clamp(36px,6vw,68px);line-height:.95;letter-spacing:-.06em;margin:18px 0}.auth-copy p{max-width:560px;color:#c6cce0;font-size:17px}.auth-panel{background:rgba(255,255,255,.06);border:1px solid var(--line)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px;margin-bottom:24px;border-radius:18px;background:rgba(0,0,0,.22)}.auth-tab{padding:12px;border-radius:14px;background:transparent;color:var(--muted);font-weight:800}.auth-tab.active{background:linear-gradient(135deg,var(--accent),#3658ff);color:white}.auth-form{display:grid;gap:16px}.auth-form h2{font-size:30px;margin:0 0 8px}.auth-form label,.select-label{display:grid;gap:8px;color:#c9d0e6;font-weight:750}.auth-form input,.select-label select{width:100%;padding:14px 15px;border-radius:16px;border:1px solid var(--line);background:rgba(0,0,0,.25);color:var(--text);outline:0}.primary-btn,.send-btn,.logout-btn,.mini-btn,.full-btn{border-radius:16px;font-weight:850;transition:.18s ease}.primary-btn,.send-btn{padding:14px 18px;background:linear-gradient(135deg,var(--accent),#3658ff);box-shadow:0 16px 35px rgba(124,92,255,.25)}.primary-btn.compact{padding:11px 14px}.logout-btn,.mini-btn.ghost{padding:11px 14px;background:var(--panel-soft);border:1px solid var(--line)}.mini-btn{padding:8px 11px;background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.28);white-space:nowrap}.full-btn{width:100%;padding:12px 14px;margin-top:10px;background:var(--panel-soft);border:1px solid var(--line);text-align:left}.form-message{min-height:22px;margin:2px 0;color:var(--muted)}.form-message.error{color:var(--danger)}.form-message.success{color:var(--good)}.trust-list{display:grid;gap:12px}.trust-list span{width:max-content;max-width:100%;padding:11px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line)}.app-shell{height:100vh;display:grid;grid-template-columns:86px 1fr;overflow:hidden}.rail{padding:18px 10px;background:rgba(0,0,0,.28);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:14px}.brand{width:50px;height:50px;border-radius:18px;display:grid;place-items:center;font-weight:950;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 18px 45px rgba(124,92,255,.35)}.brand.big{width:64px;height:64px;font-size:22px}.rail-btn,.icon-btn{width:54px;min-height:54px;border-radius:18px;background:var(--panel-soft);display:grid;place-items:center;border:1px solid transparent}.rail-btn small{display:none;font-size:10px;color:var(--muted);font-weight:800}.rail-btn.active,.rail-btn:hover,.icon-btn:hover{background:var(--panel-strong);border-color:var(--line)}.rail-btn.active{box-shadow:inset 3px 0 0 var(--accent2)}.page{min-width:0;height:100vh;display:none;overflow:hidden}.page.active{display:grid}.page[data-page-panel=messages]{grid-template-columns:330px 1fr 320px}.sidebar,.details{padding:22px;background:rgba(12,15,27,.78);border-right:1px solid var(--line);overflow-y:auto}.details{border-right:0;border-left:1px solid var(--line)}.sidebar-header,.conversation-header,.profile-card,.header-actions,.stat,.section-head,.card-title,.person-row,.request-actions,.call-row,.toggle-row{display:flex;align-items:center}.sidebar-header,.conversation-header,.section-head,.card-title,.request-actions,.toggle-row{justify-content:space-between;gap:16px}.eyebrow,.section-title{margin:0;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:850}h1,h2,h3{margin:4px 0 0;letter-spacing:-.03em}small,.muted{color:var(--muted)}.search{margin:24px 0;padding:12px 14px;display:flex;gap:10px;align-items:center;background:var(--panel-soft);border:1px solid var(--line);border-radius:18px}.search input,.composer input{width:100%;color:var(--text);background:transparent;border:0;outline:0}.section{margin-bottom:24px}.section-head{margin-bottom:10px}.section-head span{color:var(--muted);font-size:12px}.chat-row{width:100%;padding:12px;margin-bottom:8px;display:grid;grid-template-columns:44px 1fr auto;gap:12px;text-align:left;align-items:center;border-radius:18px;background:transparent}.chat-row:hover,.chat-row.active{background:var(--panel-soft)}.chat-row small,.profile-card small,.person-row small{display:block;margin-top:3px}.chat-row em{min-width:22px;height:22px;padding:0 7px;border-radius:999px;display:grid;place-items:center;font-size:12px;font-style:normal;background:var(--accent)}.locked-row{opacity:.75}.avatar{width:44px;height:44px;display:grid;place-items:center;border-radius:16px;font-weight:900;flex:0 0 auto}.avatar.xl{width:66px;height:66px;border-radius:22px;font-size:21px}.gradient-a{background:linear-gradient(135deg,#7c5cff,#00d4ff)}.gradient-b{background:linear-gradient(135deg,#ff8a00,#ff4ecd)}.gradient-c{background:linear-gradient(135deg,#55e6a5,#00a3ff)}.user-a{background:#2d68ff}.user-b{background:#de4cff}.user-c{background:#0fbf89}.user-d{background:#ff8a00}.profile-card,.card,.feature-card{padding:16px;gap:12px;border-radius:22px;background:var(--panel-soft);border:1px solid var(--line)}.conversation{display:grid;grid-template-rows:auto auto 1fr auto;min-width:0}.conversation-header{padding:22px 26px;border-bottom:1px solid var(--line);background:rgba(8,10,18,.55)}.header-actions{gap:10px;flex-wrap:wrap}.security-pill,.pill{padding:9px 12px;border-radius:999px;background:rgba(85,230,165,.14);color:var(--good);font-weight:850;font-size:12px;white-space:nowrap}.pill.amber{background:rgba(255,209,102,.13);color:var(--warn)}.notice{margin:18px 26px 0;padding:14px 16px;border:1px solid rgba(85,230,165,.25);background:rgba(85,230,165,.08);color:#dfffee;border-radius:18px}.messages{padding:26px;overflow-y:auto}.day-divider{display:flex;justify-content:center;margin-bottom:20px}.day-divider span{padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}.message{display:flex;gap:12px;margin-bottom:18px}.message.outgoing{justify-content:flex-end}.bubble{max-width:680px;padding:14px 16px;border-radius:22px;background:var(--panel-soft);border:1px solid var(--line)}.outgoing .bubble{background:linear-gradient(135deg,rgba(124,92,255,.95),rgba(54,88,255,.95));border-color:transparent}.meta{display:flex;gap:10px;align-items:center;margin-bottom:6px}.meta time{font-size:12px;color:rgba(255,255,255,.62)}.bubble p{margin:0;line-height:1.55}.reaction-bar{margin-top:10px;color:#dce2ff;font-size:13px}.composer{margin:0 22px 22px;padding:12px;display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center;background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:22px}.card{margin-bottom:16px}.security-card{text-align:center}.score-ring{width:96px;height:96px;margin:12px auto 18px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--good) 0 86%,rgba(255,255,255,.1) 86%);font-weight:950}.stat{justify-content:space-between;padding:11px 0;border-top:1px solid var(--line);text-align:left}.stat span{color:var(--muted)}.activity{display:flex;gap:10px;align-items:center;margin:12px 0;color:#d7dcf0}.activity span{width:9px;height:9px;border-radius:50%;background:var(--good);box-shadow:0 0 18px var(--good)}.feature-page{grid-template-rows:auto 1fr;padding:28px;overflow-y:auto}.page-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px;padding:20px;border:1px solid var(--line);background:rgba(12,15,27,.72);border-radius:26px}.page-header h2{font-size:34px}.dashboard-grid{display:grid;gap:18px}.people-layout,.calls-layout,.settings-layout{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-card.large{grid-row:span 2}.feature-card.wide{grid-column:span 2}.person-row,.call-row{gap:13px;padding:12px;border-radius:16px;background:rgba(0,0,0,.18);margin-top:10px}.person-row div,.call-row div{flex:1}.group-card{padding:14px;border-radius:16px;background:rgba(0,0,0,.18);margin-top:10px}.group-card small{display:block;margin-top:4px}.group-card.locked{border:1px solid rgba(255,209,102,.2)}.permission-strip{display:flex;gap:10px;flex-wrap:wrap}.permission-strip span{padding:10px 12px;border-radius:14px;background:rgba(0,0,0,.2);border:1px solid var(--line);color:#dce2ff}.hero-call{grid-column:span 2;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,rgba(124,92,255,.22),rgba(0,212,255,.1));min-height:220px}.call-icon{font-size:44px}.toggle-row{padding:13px 0;border-bottom:1px solid var(--line)}.toggle-row strong{color:var(--good)}.toggle-row strong.danger{color:var(--warn)}.profile-settings{display:flex;align-items:center}.permission-matrix{display:grid;gap:8px;margin-top:12px}.perm-row{display:grid;grid-template-columns:1.2fr repeat(5,1fr);gap:8px;align-items:center}.perm-cell,.perm-head{padding:10px;border-radius:12px;background:rgba(0,0,0,.19);text-align:center;font-size:13px}.perm-head{font-weight:900;color:var(--muted)}.perm-name{text-align:left;color:#e8ecff}.allowed{color:var(--good)}.denied{color:var(--danger)}.permission-denied{position:relative}.permission-denied:after{content:'Locked';position:absolute;right:8px;top:-8px;padding:3px 7px;border-radius:999px;background:rgba(255,107,122,.95);font-size:10px;font-weight:950}.toast{position:fixed;right:22px;bottom:22px;max-width:360px;padding:14px 16px;border-radius:18px;background:#171b2e;border:1px solid var(--line);box-shadow:var(--shadow);z-index:20}@media(max-width:1180px){.page[data-page-panel=messages]{grid-template-columns:300px 1fr}.details{display:none}.people-layout,.calls-layout,.settings-layout{grid-template-columns:1fr 1fr}.feature-card.wide,.hero-call{grid-column:span 2}}@media(max-width:820px){.auth-card{grid-template-columns:1fr}.auth-copy{min-height:auto}.app-shell{grid-template-columns:1fr;grid-template-rows:1fr 76px}.rail{grid-row:2;flex-direction:row;justify-content:space-around;padding:8px}.brand{display:none}.rail-btn{width:68px}.rail-btn small{display:block}.page{height:calc(100vh - 76px)}.page[data-page-panel=messages]{grid-template-columns:1fr}.sidebar{display:none}.conversation-header,.page-header{align-items:flex-start;flex-direction:column}.composer{grid-template-columns:auto 1fr auto}.composer .icon-btn:nth-of-type(2){display:none}.people-layout,.calls-layout,.settings-layout{grid-template-columns:1fr}.feature-card.wide,.hero-call{grid-column:auto}.perm-row{grid-template-columns:1.4fr repeat(5,42px);overflow-x:auto}.auth-copy,.auth-panel{padding:24px}}

/* NexChat brand assets */
.brand-logo{display:block;max-width:100%;height:auto;object-fit:contain}.hero-logo{width:min(390px,100%);margin-bottom:20px;filter:drop-shadow(0 28px 60px rgba(0,132,255,.2))}.brand.icon-brand{padding:0;background:rgba(255,255,255,.06);overflow:hidden;border:1px solid rgba(255,255,255,.08)}.brand.icon-brand img{width:70px;height:70px;object-fit:contain}.workspace-brand{display:flex;align-items:center;gap:12px}.workspace-brand img{width:50px;height:50px;object-fit:contain;filter:drop-shadow(0 12px 30px rgba(0,212,255,.2))}.brand-assets-card{display:grid;gap:12px}.asset-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:16px;background:rgba(0,0,0,.18);border:1px solid var(--line)}.asset-row img{width:56px;height:56px;object-fit:contain}.asset-row.wide-asset img{width:132px;height:44px}.asset-row span{color:#dce2ff;font-weight:800}code{padding:2px 6px;border-radius:7px;background:rgba(0,0,0,.28);border:1px solid var(--line);color:#dfe6ff}.auth-copy{position:relative;overflow:hidden}.auth-copy:after{content:'';position:absolute;inset:auto -120px -150px auto;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.16),transparent 65%);pointer-events:none}.auth-copy>*{position:relative;z-index:1}
@media(max-width:820px){.hero-logo{width:270px}.workspace-brand img{display:none}}
.big-logo{width:76px;height:76px;border-radius:24px;filter:drop-shadow(0 18px 40px rgba(0,132,255,.24))}.rail-logo{width:58px;height:58px;border-radius:19px;object-fit:contain}.stack-list{display:grid;gap:8px}.empty-state{padding:14px;border-radius:16px;background:rgba(0,0,0,.18);border:1px dashed var(--line);color:var(--muted);font-size:13px}.select-label input{width:100%;padding:14px 15px;border-radius:16px;border:1px solid var(--line);background:rgba(0,0,0,.25);color:var(--text);outline:0}.chat-row .role-badge,.person-row .role-badge{padding:4px 8px;border-radius:999px;background:rgba(124,92,255,.18);color:#dfe3ff;font-size:11px;font-weight:900;text-transform:uppercase}.channel-locked{opacity:.72}.api-note{padding:10px 12px;border-radius:14px;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.18);color:#dff7ff;font-size:13px}.brand-logo.big-logo{background:rgba(255,255,255,.05)}
.audit-list{display:grid;gap:10px;margin-top:12px;max-height:360px;overflow:auto}.audit-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px;border-radius:16px;background:rgba(0,0,0,.18);border:1px solid var(--line)}.audit-row strong{display:block;color:#f4f7ff}.audit-row small{display:block;margin-top:4px}.audit-row em{display:block;margin-top:6px;color:var(--muted);font-style:normal;font-size:12px;word-break:break-word}.audit-row .pill{flex:0 0 auto}