/* GIT PATH: css/app.css */
/* NODEX v2.3.0 — Main stylesheet */
/* Extracted from app.html inline <style> block */
/* Copyright (c) 2026 Multiplex LLC (Justin Bucci). All Rights Reserved. */

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --indigo:#6366f1;--violet:#8b5cf6;--emerald:#10b981;--amber:#f59e0b;--rose:#f43f5e;
  --dark:#0a0a0f;--dark2:#0d1117;--card:#111827;--card2:#0f1923;
  --border:#1e293b;--border2:#263248;--text:#e2e8f0;--sub:#94a3b8;--muted:#64748b;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'SF Mono',Monaco,'Cascadia Code',monospace;
  --radius:12px;--radius-lg:20px;--radius-xl:28px;
  --shadow:0 4px 24px rgba(0,0,0,.4);--shadow-lg:0 8px 48px rgba(0,0,0,.6);
  --sidebar:260px;--nav-h:60px;
}
html{height:100%;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--dark);color:var(--text);height:100%;overflow:hidden;font-size:14px;line-height:1.5}
.hidden{display:none !important}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:var(--font)}
input,textarea{font-family:var(--font)}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}

/* ── Layout ──────────────────────────────────────────────────────── */
#app{display:flex;flex-direction:column;height:100vh}
#nav{height:var(--nav-h);background:rgba(10,10,15,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 1.25rem;gap:1rem;position:relative;z-index:200;flex-shrink:0}
#main{display:flex;flex:1;overflow:hidden}
#sidebar{width:var(--sidebar);background:var(--dark2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0;transition:transform .3s}
#content{flex:1;overflow:hidden;display:flex;flex-direction:column}

/* ── Nav ─────────────────────────────────────────────────────────── */
.nav-logo{display:flex;align-items:center;gap:.6rem;flex-shrink:0}
.nav-logo-mark{width:32px;height:32px;background:linear-gradient(135deg,var(--indigo),var(--violet));border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.85rem;color:white;flex-shrink:0}
.nav-logo-text{font-size:1.1rem;font-weight:800;letter-spacing:-.5px;background:linear-gradient(135deg,#e2e8f0,var(--indigo));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-badge{font-size:.65rem;font-weight:700;padding:.2rem .5rem;border-radius:4px;background:rgba(99,102,241,.15);color:var(--indigo);border:1px solid rgba(99,102,241,.2);text-transform:uppercase;letter-spacing:.5px}
.nav-spacer{flex:1}
.nav-status{display:flex;align-items:center;gap:.4rem;font-size:.75rem;color:var(--sub)}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 8px var(--emerald);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.5}}
.nav-btn{width:34px;height:34px;border-radius:8px;background:transparent;border:1px solid var(--border);color:var(--sub);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all .2s;cursor:pointer}
.nav-btn:hover{border-color:var(--indigo);color:var(--indigo)}
.nav-avatar{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--indigo),var(--violet));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:white;cursor:pointer;flex-shrink:0}

/* ── Sidebar ─────────────────────────────────────────────────────── */
.sidebar-section{padding:.5rem .75rem}
.sidebar-section-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted);padding:.75rem .5rem .4rem}
.sidebar-item{display:flex;align-items:center;gap:.65rem;padding:.6rem .75rem;border-radius:var(--radius);color:var(--sub);cursor:pointer;transition:all .2s;position:relative;user-select:none;border:none;background:transparent;width:100%;text-align:left;font-size:.875rem;font-weight:500}
.sidebar-item:hover{background:rgba(255,255,255,.04);color:var(--text)}
.sidebar-item.active{background:rgba(99,102,241,.12);color:var(--indigo);font-weight:600}
.sidebar-item.active::before{content:'';position:absolute;left:0;top:20%;bottom:20%;width:3px;background:var(--indigo);border-radius:0 3px 3px 0}
.sidebar-icon{font-size:1rem;width:20px;text-align:center;flex-shrink:0}
.sidebar-badge{margin-left:auto;background:var(--indigo);color:white;font-size:.65rem;font-weight:700;padding:.15rem .45rem;border-radius:10px;min-width:18px;text-align:center}
.sidebar-badge.green{background:var(--emerald)}
.sidebar-divider{border:none;border-top:1px solid var(--border);margin:.5rem .75rem}
.sidebar-footer{margin-top:auto;padding:1rem .75rem;border-top:1px solid var(--border)}
.sidebar-user{display:flex;align-items:center;gap:.65rem;padding:.5rem;border-radius:var(--radius);cursor:pointer;transition:background .2s}
.sidebar-user:hover{background:rgba(255,255,255,.04)}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{font-size:.8rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-plan{font-size:.7rem;color:var(--muted)}

/* ── Panels ──────────────────────────────────────────────────────── */
.panel{display:none;flex:1;overflow-y:auto;padding:1.5rem}
.panel.active{display:flex;flex-direction:column;gap:1.25rem}
.panel-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.panel-title{font-size:1.25rem;font-weight:800;letter-spacing:-.5px}
.panel-subtitle{font-size:.8rem;color:var(--sub);margin-top:.15rem}

/* ── Cards ───────────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.card-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border-radius:var(--radius);font-weight:600;font-size:.8rem;cursor:pointer;border:none;transition:all .2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--violet));color:white;box-shadow:0 2px 12px rgba(99,102,241,.3)}
.btn-primary:hover{box-shadow:0 4px 20px rgba(99,102,241,.5);transform:translateY(-1px)}
.btn-secondary{background:rgba(99,102,241,.1);color:var(--indigo);border:1px solid rgba(99,102,241,.2)}
.btn-ghost{background:transparent;color:var(--sub);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--indigo);color:var(--indigo)}
.btn-danger{background:rgba(244,63,94,.1);color:var(--rose);border:1px solid rgba(244,63,94,.2)}
.btn-sm{padding:.35rem .75rem;font-size:.75rem}
.btn-lg{padding:.75rem 1.5rem;font-size:.9rem}
.btn-icon{width:32px;height:32px;padding:0;justify-content:center;border-radius:8px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}

/* ── Forms ───────────────────────────────────────────────────────── */
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-label{font-size:.75rem;font-weight:600;color:var(--sub);text-transform:uppercase;letter-spacing:.4px}
.form-input{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:.65rem .9rem;color:var(--text);font-size:.875rem;transition:border-color .2s;outline:none;width:100%}
.form-input:focus{border-color:var(--indigo);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.form-input::placeholder{color:var(--muted)}
.form-hint{font-size:.72rem;color:var(--muted)}

/* ── Badges ──────────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:6px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.badge-indigo{background:rgba(99,102,241,.12);color:var(--indigo);border:1px solid rgba(99,102,241,.2)}
.badge-green{background:rgba(16,185,129,.1);color:var(--emerald);border:1px solid rgba(16,185,129,.2)}
.badge-amber{background:rgba(245,158,11,.1);color:var(--amber);border:1px solid rgba(245,158,11,.2)}
.badge-gray{background:rgba(100,116,139,.1);color:var(--muted);border:1px solid rgba(100,116,139,.2)}

/* ── Stats grid ──────────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--indigo),var(--violet))}
.stat-icon{font-size:1.5rem;margin-bottom:.5rem}
.stat-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:.25rem}
.stat-value{font-size:1.75rem;font-weight:800;letter-spacing:-1px}
.stat-sub{font-size:.72rem;color:var(--sub);margin-top:.25rem}

/* ── Messages ────────────────────────────────────────────────────── */
#messages-panel{padding:0;overflow:hidden}
.messages-layout{display:grid;grid-template-columns:280px 1fr;height:100%;overflow:hidden}
.conv-list{border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}
.conv-search{padding:.75rem;border-bottom:1px solid var(--border);flex-shrink:0}
.conv-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;cursor:pointer;transition:background .2s;border-bottom:1px solid rgba(30,41,59,.5)}
.conv-item:hover{background:rgba(255,255,255,.03)}
.conv-avatar{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--violet));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:white;flex-shrink:0;position:relative}
.conv-online{position:absolute;bottom:-2px;right:-2px;width:10px;height:10px;background:var(--emerald);border-radius:50%;border:2px solid var(--dark2)}
.conv-info{flex:1;min-width:0}
.conv-name{font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-preview{font-size:.72rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:.1rem}
.conv-meta{display:flex;flex-direction:column;align-items:flex-end;gap:.25rem;flex-shrink:0}
.conv-time{font-size:.65rem;color:var(--muted)}
.chat-area{display:flex;flex-direction:column;overflow:hidden}
.chat-header{padding:.75rem 1rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.75rem;flex-shrink:0;background:var(--dark2)}
.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem}
.msg{display:flex;gap:.5rem;max-width:72%}
.msg.sent{align-self:flex-end;flex-direction:row-reverse}
.msg-avatar{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--border2),var(--muted));display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;flex-shrink:0;margin-top:auto}
.msg-bubble{padding:.6rem .875rem;border-radius:var(--radius);font-size:.8rem;line-height:1.5;word-break:break-word}
.msg.recv .msg-bubble{background:var(--card);border:1px solid var(--border)}
.msg.sent .msg-bubble{background:linear-gradient(135deg,var(--indigo),var(--violet));color:white}
.msg-time{font-size:.6rem;color:var(--muted);margin-top:.25rem;text-align:right}
.chat-input-area{padding:.75rem 1rem;border-top:1px solid var(--border);display:flex;gap:.5rem;align-items:flex-end;flex-shrink:0;background:var(--dark2)}
.chat-input{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.6rem .875rem;color:var(--text);font-size:.8rem;outline:none;resize:none;max-height:120px;transition:border-color .2s}
.chat-input:focus{border-color:var(--indigo)}

/* ── Mesh ────────────────────────────────────────────────────────── */
.mesh-container{position:relative;background:var(--card2);border:1px solid var(--border);border-radius:var(--radius-lg);height:300px;overflow:hidden}
.mesh-canvas{width:100%;height:100%}
.node-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .2s;margin-bottom:.5rem}
.node-indicator{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.node-indicator.online{background:var(--emerald);box-shadow:0 0 8px var(--emerald)}
.node-indicator.offline{background:var(--muted)}
.node-info{flex:1;min-width:0}
.node-name{font-size:.8rem;font-weight:600}
.node-meta{font-size:.7rem;color:var(--muted)}

/* ── Security ────────────────────────────────────────────────────── */
.security-meter{background:var(--dark2);border-radius:8px;height:8px;overflow:hidden;margin:.5rem 0}
.security-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--indigo),var(--emerald));transition:width .8s ease}
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border)}
.toggle-row:last-child{border-bottom:none}
.toggle-info h4{font-size:.8rem;font-weight:600;margin-bottom:.15rem}
.toggle-info p{font-size:.72rem;color:var(--muted)}
.toggle{position:relative;width:40px;height:22px;flex-shrink:0}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:var(--border2);border-radius:22px;cursor:pointer;transition:.3s}
.toggle-slider::before{content:'';position:absolute;width:16px;height:16px;left:3px;top:3px;background:white;border-radius:50%;transition:.3s}
.toggle input:checked+.toggle-slider{background:var(--indigo)}
.toggle input:checked+.toggle-slider::before{transform:translateX(18px)}

/* ── Modals ──────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);z-index:1000;display:none;align-items:center;justify-content:center;padding:1rem}
.modal-overlay.open{display:flex}
.modal{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:2rem;width:100%;max-width:480px;box-shadow:var(--shadow-lg);animation:modal-in .2s ease}
@keyframes modal-in{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1.5rem}
.modal-title{font-size:1.1rem;font-weight:800;letter-spacing:-.3px}
.modal-subtitle{font-size:.78rem;color:var(--sub);margin-top:.25rem}
.modal-close{width:28px;height:28px;border-radius:7px;background:var(--dark2);border:1px solid var(--border);color:var(--sub);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;font-size:1rem;transition:all .2s}
.modal-close:hover{border-color:var(--rose);color:var(--rose)}
.modal-body{display:flex;flex-direction:column;gap:1rem}
.modal-footer{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--border)}

/* ── Auth screen ─────────────────────────────────────────────────── */
#auth-screen{position:fixed;inset:0;background:var(--dark);display:flex;align-items:center;justify-content:center;z-index:2000;padding:1rem}
.auth-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.5rem;width:100%;max-width:420px;box-shadow:var(--shadow-lg);max-height:90vh;overflow-y:auto}
.auth-logo{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;justify-content:center}
.auth-title{font-size:1.4rem;font-weight:800;text-align:center;margin-bottom:.4rem}
.auth-sub{font-size:.85rem;color:var(--sub);text-align:center;margin-bottom:1rem}
.auth-tabs{display:flex;background:var(--dark2);border-radius:var(--radius);padding:.25rem;gap:.25rem;margin-bottom:1.5rem}
.auth-tab{flex:1;padding:.5rem;text-align:center;font-size:.8rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;color:var(--sub);border:none;background:transparent}
.auth-tab.active{background:var(--card);color:var(--text)}
.auth-divider{display:flex;align-items:center;gap:.75rem;margin:.75rem 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.auth-divider span{font-size:.72rem;color:var(--muted)}
.auth-security-note{background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.15);border-radius:var(--radius);padding:.75rem 1rem;display:flex;gap:.5rem;align-items:flex-start;margin-top:.75rem}
.auth-security-note p{font-size:.72rem;color:var(--sub);line-height:1.5}

/* ── Toast ───────────────────────────────────────────────────────── */
#toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1rem;display:flex;align-items:center;gap:.6rem;font-size:.8rem;font-weight:500;box-shadow:var(--shadow);animation:toast-in .3s ease;pointer-events:all;max-width:320px}
@keyframes toast-in{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.success{border-color:rgba(16,185,129,.3);background:rgba(16,185,129,.05)}
.toast.error{border-color:rgba(244,63,94,.3);background:rgba(244,63,94,.05)}
.toast.warning{border-color:rgba(245,158,11,.3);background:rgba(245,158,11,.05)}

/* ── Loading screen ──────────────────────────────────────────────── */
#loading-screen{position:fixed;inset:0;background:var(--dark);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:3000;gap:1.5rem}
.loading-logo{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--indigo),var(--violet));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}
.loading-bar{width:200px;height:3px;background:var(--border);border-radius:3px;overflow:hidden}
.loading-fill{height:100%;background:linear-gradient(90deg,var(--indigo),var(--violet));border-radius:3px;animation:loading 1.5s ease infinite}
@keyframes loading{0%{width:0%;margin-left:0}50%{width:60%;margin-left:20%}100%{width:0%;margin-left:100%}}
.loading-text{font-size:.78rem;color:var(--muted);font-family:var(--mono)}

/* ── Misc components ─────────────────────────────────────────────── */
.sub-banner{background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(139,92,246,.08));border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-lg);padding:1.25rem;display:flex;align-items:center;gap:1rem}
.compliance-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--card2);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.5rem}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;text-align:center;gap:.75rem;color:var(--muted)}
.empty-state-icon{font-size:3rem;opacity:.4}
.empty-state h3{font-size:.9rem;font-weight:600;color:var(--sub)}
.empty-state p{font-size:.78rem;max-width:280px;line-height:1.6}
.rtc-badge{font-size:.68rem;font-weight:600;padding:.15rem .4rem;border-radius:4px}
.rtc-badge.p2p{background:rgba(16,185,129,.12);color:var(--emerald)}
.rtc-badge.relay{background:rgba(99,102,241,.12);color:var(--indigo)}
.rtc-badge.connecting{background:rgba(245,158,11,.12);color:var(--amber)}

/* ── SVG Icon System ─────────────────────────────────────────────── */
.si{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;flex-shrink:0;opacity:.75}
.sidebar-item.active .si,.sidebar-item:hover .si{opacity:1}
.stat-icon-wrap{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:.6rem;background:rgba(99,102,241,.1)}
.stat-icon-wrap svg{width:18px;height:18px;stroke:var(--indigo);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.si svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ci{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(99,102,241,.1)}
.ci svg{width:18px;height:18px;stroke:var(--indigo);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin:0 auto .75rem;background:rgba(99,102,241,.08)}
.empty-icon svg{width:20px;height:20px;stroke:var(--muted);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ── Responsive ──────────────────────────────────────────────────── */
@media(max-width:768px){
  :root{--sidebar:100%}
  #sidebar{position:fixed;top:var(--nav-h);left:0;bottom:0;z-index:100;transform:translateX(-100%)}
  #sidebar.open{transform:translateX(0)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .messages-layout{grid-template-columns:1fr}
  .conv-list{display:none}
  .conv-list.active{display:flex}
}