*{box-sizing:border-box}
:root{
  --bg:#0b0d10;--surface:#111419;--surface-2:#161a20;--border:#262c35;--muted:#8d98a8;
  --text:#f5f7fa;--green:#28c76f;--green-dim:rgba(40,199,111,.12);--danger:#ff5d68;
  --shadow:0 24px 80px rgba(0,0,0,.34)
}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
.auth-body{min-height:100vh;min-height:100dvh;background:
radial-gradient(circle at 20% 15%,rgba(255,255,255,.055),transparent 30%),
radial-gradient(circle at 80% 85%,rgba(255,255,255,.035),transparent 28%),var(--bg)}
.auth-shell{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px}
.auth-card{width:min(480px,100%);border:1px solid var(--border);background:rgba(17,20,25,.96);border-radius:26px;padding:36px;box-shadow:var(--shadow)}
.brand-row{display:flex;align-items:center;gap:12px}
.brand-mark{width:52px;height:52px;border:1px solid #39414d;border-radius:15px;display:grid;place-items:center;font-weight:900;letter-spacing:-.05em}
.brand-mark.small{width:42px;height:42px;border-radius:12px}
.brand-label{font-weight:900;letter-spacing:.15em;font-size:12px;color:#a7b0be}
.auth-copy{margin:34px 0 26px}
.eyebrow,.topbar-kicker{font-size:11px;letter-spacing:.18em;font-weight:800;color:#8f9aaa;margin:0 0 10px}
.auth-copy h1{font-size:38px;line-height:1;margin:0 0 12px;letter-spacing:-.04em}
.auth-copy p:not(.eyebrow){color:var(--muted);margin:0;line-height:1.55}
.auth-form{display:grid;gap:18px}
.auth-form label{display:grid;gap:8px;color:#b7c0cc;font-size:13px;font-weight:700}
.auth-form input{width:100%;border:1px solid #303743;background:#0e1115;color:var(--text);border-radius:14px;padding:14px 15px;outline:none}
.auth-form input:focus{border-color:#586575;box-shadow:0 0 0 4px rgba(120,140,165,.08)}
.password-field{position:relative}
.password-field input{padding-right:52px}
.icon-button{position:absolute;right:7px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#9ca6b4;padding:8px;border-radius:10px}
.primary-button{border:0;border-radius:14px;padding:14px 16px;font-weight:800;background:#f4f6f8;color:#101318}
.primary-button:hover{background:#fff}
.auth-footnote{font-size:11px;line-height:1.5;color:#657080;margin:20px 0 0}
.alert,.success{border-radius:14px;padding:12px 14px;margin-bottom:18px;font-size:13px;line-height:1.45}
.alert{background:rgba(255,93,104,.08);border:1px solid rgba(255,93,104,.25);color:#ffadb3}
.success{background:var(--green-dim);border:1px solid rgba(40,199,111,.25);color:#9ce3bb}
.back-link{display:inline-block;text-decoration:none;color:#9ba6b4;font-size:13px}
.app-body{min-height:100vh;min-height:100dvh;overflow-x:hidden}
.app-layout{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:#0e1115;border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;z-index:30}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 8px 24px}
.sidebar-brand strong{display:block;font-size:17px}
.sidebar-brand span{display:block;font-size:11px;color:#738091;margin-top:2px}
.nav-list{display:grid;gap:5px}
.nav-item{display:flex;align-items:center;gap:12px;width:100%;border:0;background:transparent;color:#8793a3;padding:12px 13px;border-radius:12px;text-align:left;font-weight:700}
.nav-item:hover,.nav-item.active{background:#171b21;color:#f5f7fa}
.sidebar-footer{margin-top:auto;border-top:1px solid var(--border);padding:18px 8px 0;display:grid;gap:10px}
.secondary-link{font-size:12px;color:#8f9baa;text-decoration:none}
.logout-button{width:100%;border:1px solid #2d343f;background:transparent;color:#d8dde4;padding:10px 12px;border-radius:11px;text-align:left}
.app-main{min-width:0}
.topbar{height:86px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:18px;padding:0 28px;background:rgba(11,13,16,.88);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}
.topbar h1{margin:0;font-size:24px;letter-spacing:-.03em}
.topbar-kicker{margin-bottom:4px}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:8px;color:#a7b0bc;font-size:13px}
.status-dot{width:8px;height:8px;background:var(--green);border-radius:50%;box-shadow:0 0 0 5px rgba(40,199,111,.08)}
.menu-button{display:none;border:1px solid var(--border);background:#14181e;color:#fff;border-radius:11px;padding:9px 11px}
.content{padding:28px;max-width:1500px;margin:0 auto}
.page-section{display:none}
.page-section.active{display:block}
.notice-card{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;border:1px solid var(--border);background:linear-gradient(135deg,#111419,#141920);border-radius:22px;padding:28px}
.notice-card h2{font-size:32px;letter-spacing:-.04em;margin:10px 0 8px}
.notice-card p{margin:0;color:var(--muted);max-width:760px;line-height:1.55}
.notice-badge,.coming-soon{display:inline-flex;padding:6px 9px;border:1px solid #323a45;border-radius:999px;font-size:10px;letter-spacing:.12em;font-weight:900;color:#aab4c1}
.system-pill{white-space:nowrap;border:1px solid #2b333d;background:#0d1115;border-radius:999px;padding:9px 12px;font-size:12px;font-weight:800}
.system-pill span{display:inline-block;width:8px;height:8px;background:var(--green);border-radius:50%;margin-right:7px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.metric-card,.panel-card{border:1px solid var(--border);background:var(--surface);border-radius:18px}
.metric-card{padding:20px}
.metric-card span{display:block;color:#8c97a6;font-size:12px;font-weight:700}
.metric-card strong{display:block;font-size:36px;letter-spacing:-.05em;margin:10px 0 2px}
.metric-card small{color:#5f6b7a}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.panel-card{padding:22px}
.panel-card.full{margin-top:18px}
.panel-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}
.panel-heading h3{margin:0;font-size:16px}
.panel-heading span{font-size:10px;color:#768292;text-transform:uppercase;letter-spacing:.12em}
.empty-state{display:grid;place-items:center;min-height:170px;margin-top:16px;border:1px dashed #2b333e;border-radius:14px;color:#6f7b8a;text-align:center;padding:20px}
.empty-state.large{min-height:340px;gap:10px}
.empty-state.large strong{color:#c9d0d9;font-size:20px}
.empty-state.large span{max-width:580px;line-height:1.6}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px}
.section-head h2{font-size:34px;letter-spacing:-.04em;margin:0 0 8px}
.section-head p:not(.eyebrow){margin:0;color:var(--muted)}
.sidebar-backdrop{display:none}

@media (max-width:1050px){
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .app-layout{display:block}
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-105%);transition:transform .22s ease;width:min(300px,86vw);box-shadow:var(--shadow)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:25}
  .sidebar-backdrop.show{display:block}
  .menu-button{display:inline-block}
  .topbar{padding:0 18px;height:78px}
  .topbar h1{font-size:21px}
  .content{padding:18px}
  .notice-card{align-items:flex-start;flex-direction:column}
  .panel-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .auth-shell{padding:14px}
  .auth-card{padding:26px 20px;border-radius:22px}
  .auth-copy h1{font-size:32px}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:10px}
  .metric-card{padding:17px}
  .metric-card strong{font-size:30px}
  .notice-card{padding:22px}
  .notice-card h2{font-size:27px}
  .topbar-user span:last-child{display:none}
  .section-head{align-items:flex-start;flex-direction:column}
}

.status-dot.offline{background:#657080;box-shadow:0 0 0 5px rgba(101,112,128,.08)}
.system-pill.connected span{background:var(--green)}
.connection-summary{display:flex;align-items:center;gap:14px;margin-top:20px;min-height:118px;padding:18px;border:1px dashed #2b333e;border-radius:14px}
.connection-icon{width:42px;height:42px;border:1px solid #343c48;border-radius:12px;display:grid;place-items:center;color:#7f8b9a;font-weight:900;flex:0 0 auto}
.connection-icon.ok{border-color:rgba(40,199,111,.35);background:var(--green-dim);color:#7fe0a8}
.connection-summary strong{display:block;font-size:15px}
.connection-summary span{display:block;color:#718091;font-size:12px;margin-top:4px;line-height:1.45}
.status-ok{border-color:rgba(40,199,111,.25);color:#87dba9;background:rgba(40,199,111,.06)}
.settings-flash{margin-top:18px;margin-bottom:0}
.settings-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr);gap:14px;margin-top:18px}
.integration-card{min-width:0}
.settings-help{color:var(--muted);font-size:13px;line-height:1.6;margin:18px 0}
.settings-form{display:grid;gap:16px}
.settings-form label{display:grid;gap:8px}
.settings-form label>span{font-size:12px;color:#aab4c1;font-weight:800}
.settings-form input{width:100%;border:1px solid #303743;background:#0e1115;color:var(--text);border-radius:13px;padding:13px 14px;outline:none}
.settings-form input:focus{border-color:#586575;box-shadow:0 0 0 4px rgba(120,140,165,.08)}
.settings-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.secondary-button{border:1px solid #303743;border-radius:13px;padding:12px 15px;font-weight:800;background:#12161b;color:#c7ced7}
.primary-button.compact{padding:12px 15px}
.status-list{display:grid;margin-top:16px}
.status-list>div{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid #20262e}
.status-list>div:last-child{border-bottom:0}
.status-list span{color:#788493;font-size:12px}
.status-list strong{font-size:12px;text-align:right;max-width:62%;overflow-wrap:anywhere}
.ok-text{color:#7edfa6}
.muted-text{color:#7c8795}
.diagnostics-card{margin-top:14px}
.diagnostics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.diagnostics-grid>div{border:1px solid #252c35;background:#0e1115;border-radius:14px;padding:16px}
.diag-label{display:block;color:#718091;font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.diagnostics-grid strong{display:block;font-size:22px;margin:8px 0 3px}
.diagnostics-grid small{color:#647080}
.diagnostics-details{margin-top:14px;border:1px solid #252c35;border-radius:14px;background:#0e1115;overflow:hidden}
.diagnostics-details summary{cursor:pointer;padding:15px 16px;font-weight:800;font-size:13px;color:#c9d1db}
.diagnostics-details pre{margin:0;border-top:1px solid #252c35;padding:16px;max-height:520px;overflow:auto;font-size:11px;line-height:1.55;color:#91a0b2;white-space:pre-wrap;overflow-wrap:anywhere}
.candidate-list{display:grid;border-top:1px solid #252c35}
.candidate-item{display:grid;gap:4px;padding:14px 16px;border-bottom:1px solid #20262e}
.candidate-item:last-child{border-bottom:0}
.candidate-item strong{font-size:13px}
.candidate-item span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#7a8797}
.candidate-item small{color:#778596;line-height:1.5}
.empty-inline{padding:16px;border-top:1px solid #252c35;color:#718091;font-size:12px;line-height:1.6}
@media (max-width:1050px){
  .settings-grid{grid-template-columns:1fr}
  .diagnostics-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .diagnostics-grid{grid-template-columns:1fr 1fr}
  .settings-actions{display:grid}
  .settings-actions button{width:100%}
}