:root{
  /* backgrounds */
  --bg-app:#f8f9fb; --bg-surface:#ffffff; --bg-input:#f9fafb; --bg-muted:#f3f4f6;
  /* text (gray scale) */
  --txt:#111827; --txt-2:#374151; --muted:#6b7280; --faint:#9ca3af; --ghost:#d1d5db;
  /* borders */
  --line:#f3f4f6; --line-2:#e5e7eb;
  /* accent — amber-400, the single highlight */
  --accent:#fbbf24; --accent-soft:#fef3c7; --accent-faint:#fffbeb;
  /* semantic */
  --success:#10b981; --success-700:#047857; --success-soft:#ecfdf5;
  --danger:#ef4444; --danger-600:#dc2626; --danger-700:#b91c1c; --danger-soft:#fef2f2;
  --warning:#d97706; --warning-700:#b45309; --warning-soft:#fffbeb;
  --info:#2563eb; --info-700:#4338ca; --info-soft:#eef2ff;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg-app);color:var(--txt);font-family:'Assistant',ui-sans-serif,system-ui,sans-serif;font-size:14px;font-weight:700}
.hidden{display:none!important}
code{font-family:var(--mono);font-weight:500}
button{cursor:pointer;font-family:inherit}
.dot{color:var(--accent);font-weight:800}
.mono{font-family:var(--mono);font-weight:500}

/* ===== auth ===== */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 600px at 50% -10%,#fef3c7 0%,#f8f9fb 45%)}
.login-card{background:var(--bg-surface);border:1px solid var(--line);border-radius:2.5rem;
  padding:40px 36px;width:100%;max-width:400px;display:flex;flex-direction:column;
  box-shadow:0 30px 60px rgba(17,24,39,.08)}
.auth-emoji{font-size:48px;line-height:1;text-align:center;margin-bottom:12px}
.login-card .brand{font-size:30px;font-weight:800;letter-spacing:-.03em;text-align:center;color:var(--txt)}
.login-card .sub{color:var(--faint);font-weight:700;text-align:center;margin:6px 0 20px}
.login-card label{display:block;font-size:14px;font-weight:800;color:var(--txt-2);margin:14px 4px 8px;text-align:right}
.login-card input{width:100%;padding:16px;background:var(--bg-input);border:2px solid transparent;border-radius:1rem;
  color:var(--txt);font-family:inherit;font-size:15px;font-weight:700;outline:none;transition:all .2s}
.login-card input::placeholder{color:var(--faint);font-weight:600}
.login-card input:focus{border-color:var(--accent);background:#fff}
.login-card button[type=submit],.login-card #noaccess-logout,.login-card button:not(.ghost){
  margin-top:22px;background:#111827;border:0;color:#fff;padding:17px;border-radius:1rem;font-weight:800;font-size:16px;
  box-shadow:0 12px 24px rgba(17,24,39,.18);transition:all .2s}
.login-card button:hover{background:#000}
.login-card button:active{transform:scale(.97)}
.err{color:var(--danger);font-size:13px;font-weight:700;min-height:18px;margin-top:10px;text-align:center}
.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:18px;flex-wrap:wrap}
.auth-links.center{justify-content:center}
.auth-links a{color:var(--muted);font-size:13px;font-weight:700;text-decoration:none;transition:all .2s}
.auth-links a:hover{color:var(--txt)}
.auth-note{background:var(--bg-input);border:1px solid var(--line-2);border-radius:1rem;padding:14px 16px;
  color:var(--txt-2);font-size:13px;font-weight:700;line-height:1.65;margin:6px 0 4px;text-align:center}
.auth-note.ok{background:var(--success-soft);border-color:#a7f3d0;color:var(--success-700)}
.auth-note.err{background:var(--danger-soft);border-color:#fecaca;color:var(--danger-700)}
.code-input{letter-spacing:10px;text-align:center;font-family:var(--mono)!important;font-size:24px!important;font-weight:700}

/* ===== app shell ===== */
.app{height:100vh;display:flex;flex-direction:column}
.topbar{border-bottom:1px solid var(--line);background:var(--bg-surface);box-shadow:0 2px 20px rgba(17,24,39,.04)}
.logo{padding:14px 20px 0;font-weight:800;font-size:19px;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.toolbar{display:flex;align-items:center;gap:8px;padding:12px 20px 14px;flex-wrap:wrap}
.toolbar input,.toolbar select{background:var(--bg-input);border:2px solid transparent;border-radius:.75rem;
  padding:9px 12px;color:var(--txt);font-family:inherit;font-size:13px;font-weight:700;outline:none;transition:all .2s}
.toolbar input::placeholder{color:var(--faint)}
.toolbar input#search{min-width:220px;flex:0 1 300px}
.toolbar input:focus,.toolbar select:focus{border-color:var(--accent);background:#fff}
.toolbar .spacer{flex:1}
.toolbar button{background:var(--bg-muted);border:0;color:var(--txt-2);border-radius:.75rem;padding:9px 14px;font-size:13px;font-weight:800;transition:all .2s}
.toolbar button:active{transform:scale(.95)}
.toolbar button.ghost:hover{background:#e5e7eb}
.toolbar .tgl.on{background:var(--success-soft);color:var(--success-700)}
.toolbar .tgl.off{background:var(--bg-muted);color:var(--faint)}
.stat{color:var(--muted);font-size:12px;font-weight:700;font-family:var(--mono)}

/* split */
.split{flex:1;display:flex;min-height:0}
.list-pane{flex:1.1;min-width:0;overflow:auto;background:var(--bg-app)}
.detail-pane{flex:1;min-width:0;border-inline-start:1px solid var(--line-2);background:var(--bg-surface);overflow:auto;display:flex;flex-direction:column}
.detail-empty{margin:auto;text-align:center;padding:32px}

/* empty states */
.empty,.detail-empty{color:var(--faint)}
.empty{padding:56px 24px;text-align:center}
.empty-emoji{font-size:48px;opacity:.6;margin-bottom:10px}
.empty-title{font-size:16px;font-weight:800;color:var(--txt-2)}
.empty-sub{font-size:13px;font-weight:700;color:var(--faint);margin-top:6px}
.empty-sub code{background:var(--bg-muted);padding:2px 8px;border-radius:8px;color:var(--txt-2)}

/* flow table */
table.flows{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;background:var(--bg-surface)}
table.flows thead th{position:sticky;top:0;background:var(--bg-surface);text-align:start;color:var(--faint);
  font-weight:800;font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:12px 12px;border-bottom:1px solid var(--line-2);z-index:1}
table.flows td{padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:0;font-weight:700}
table.flows tr{cursor:pointer;transition:background .15s}
table.flows tbody tr:hover{background:var(--bg-input)}
table.flows tr.sel{background:var(--accent-faint);box-shadow:inset 3px 0 0 var(--accent)}
.c-m{width:78px}.c-s{width:64px}.c-sz{width:76px}.c-t{width:66px}
td.path,td.host{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--txt-2)}
.badge{display:inline-block;padding:3px 10px;border-radius:9999px;font-size:11px;font-weight:800;font-family:inherit}
.m-GET{background:var(--success-soft);color:var(--success-700)}
.m-POST{background:var(--warning-soft);color:var(--warning-700)}
.m-PUT,.m-PATCH{background:var(--info-soft);color:var(--info-700)}
.m-DELETE{background:var(--danger-soft);color:var(--danger-700)}
.m-OPTIONS,.m-HEAD{background:var(--bg-muted);color:var(--txt-2)}
.st-2{color:var(--success-700)}.st-3{color:var(--info)}.st-4{color:var(--warning)}.st-5{color:var(--danger-600)}.st-0{color:var(--faint)}

/* detail */
.d-head{padding:16px 20px;border-bottom:1px solid var(--line)}
.d-url{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--txt);word-break:break-all}
.d-meta{color:var(--muted);font-size:12px;font-weight:700;margin-top:8px;display:flex;gap:14px;flex-wrap:wrap}
.tabs{display:flex;gap:4px;padding:10px 14px 0;border-bottom:1px solid var(--line)}
.tabs button{background:transparent;border:0;border-bottom:2px solid transparent;color:var(--faint);padding:9px 14px;font-size:13px;font-weight:800;transition:all .2s}
.tabs button:hover{color:var(--txt-2)}
.tabs button.active{color:var(--txt);border-bottom-color:var(--accent)}
.tabpane{padding:16px 20px;overflow:auto}
.kv{font-family:var(--mono);font-size:12px;font-weight:500;line-height:1.8}
.kv .k{color:var(--warning-700)}.kv .v{color:var(--txt);word-break:break-all}
h4.sec{margin:16px 0 6px;font-size:11px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
pre.body{background:var(--bg-input);border:1px solid var(--line-2);border-radius:1rem;padding:14px;overflow:auto;
  font-family:var(--mono);font-size:12px;font-weight:500;line-height:1.7;white-space:pre-wrap;word-break:break-word;max-height:52vh;color:var(--txt-2)}
.note{color:var(--warning);font-size:12px;font-weight:700;margin:8px 0}
.dl{color:var(--txt);font-size:12px;font-weight:800;text-decoration:underline}

/* repeater */
.rep{display:flex;flex-direction:column;gap:12px}
.rep-row{display:flex;gap:8px}
.rep select,.rep input,.rep textarea{background:var(--bg-input);border:2px solid transparent;border-radius:.75rem;
  color:var(--txt);font-family:var(--mono);font-size:12px;font-weight:500;padding:11px;outline:none;transition:all .2s}
.rep select:focus,.rep input:focus,.rep textarea:focus{border-color:var(--accent);background:#fff}
.rep input.url{flex:1}
.rep textarea{width:100%;min-height:120px;resize:vertical}
.rep .lbl{font-size:11px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
.rep button.send{align-self:flex-start;background:#111827;border:0;color:#fff;padding:12px 24px;border-radius:1rem;font-weight:800;box-shadow:0 10px 20px rgba(17,24,39,.18);transition:all .2s}
.rep button.send:hover{background:#000}
.rep button.send:active{transform:scale(.95)}
.rep-resp .st{font-family:var(--mono);font-weight:700;margin-bottom:8px}

/* ===== admin users modal ===== */
.modal-wrap{position:fixed;inset:0;background:rgba(17,24,39,.4);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:50;padding:16px}
.modal{background:var(--bg-surface);border-radius:1.5rem;width:560px;max-width:92vw;max-height:82vh;display:flex;flex-direction:column;
  box-shadow:0 40px 80px rgba(17,24,39,.28)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);
  font-size:19px;font-weight:800;color:var(--txt)}
.modal-x{width:36px;height:36px;background:transparent;border:0;color:var(--muted);border-radius:.75rem;font-size:15px;transition:all .2s}
.modal-x:hover{background:var(--bg-muted)}
.modal-body{padding:14px 18px 18px;overflow:auto}
table.utable{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}
table.utable td{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:middle;font-weight:700}
table.utable tr:last-child td{border-bottom:0}
table.utable td.email{font-family:var(--mono);font-size:12px;font-weight:500;word-break:break-all}
table.utable td.actions{text-align:end;white-space:nowrap}
.utag{display:inline-block;padding:3px 11px;border-radius:9999px;font-size:11px;font-weight:800}
.utag.admin{background:#111827;color:#fff}
.utag.ok{background:var(--success-soft);color:var(--success-700)}
.utag.wait{background:var(--warning-soft);color:var(--warning-700)}
.ubtn{background:var(--bg-muted);border:0;color:var(--txt-2);border-radius:.75rem;padding:7px 13px;font-size:12px;font-weight:800;margin-inline-start:6px;transition:all .2s}
.ubtn:active{transform:scale(.95)}
.ubtn:hover{background:#e5e7eb}
.ubtn.ok{background:var(--success-soft);color:var(--success-700)}
.ubtn.ok:hover{background:#d1fae5}
.ubtn.del{background:var(--danger-soft);color:var(--danger-600)}
.ubtn.del:hover{background:#fee2e2}

/* ===== toolbar extras ===== */
.toolbar button.primary{background:#111827;color:#fff;box-shadow:0 8px 18px rgba(17,24,39,.16)}
.toolbar button.primary:hover{background:#000}

/* ===== connect device panel ===== */
.modal.modal-lg{width:680px}
.cx-loading{padding:40px;text-align:center;color:var(--faint);font-weight:800}
.cx{display:flex;flex-direction:column;gap:14px}
.cx-status{border-radius:1rem;padding:14px 16px;font-weight:800;font-size:13px;display:flex;align-items:center;gap:10px;line-height:1.6}
.cx-status.wait{background:var(--warning-soft);color:var(--warning-700);border:1px solid #fde68a}
.cx-status.ok{background:var(--success-soft);color:var(--success-700);border:1px solid #a7f3d0}
.cx-status.idle{background:var(--info-soft);color:var(--info-700);border:1px solid #c7d2fe}
.cx-dot{width:10px;height:10px;border-radius:9999px;flex:none}
.cx-dot.wait{background:var(--warning);animation:cx-pulse 1.2s infinite}
.cx-dot.ok{background:var(--success)}
.cx-dot.idle{background:var(--info)}
@keyframes cx-pulse{0%,100%{opacity:1}50%{opacity:.3}}
.cx-step{border:1px solid var(--line-2);border-radius:1.25rem;overflow:hidden;background:var(--bg-surface)}
.cx-step-h{display:flex;align-items:center;gap:10px;padding:13px 16px;background:var(--bg-input);font-weight:800;font-size:14px;color:var(--txt);border-bottom:1px solid var(--line-2)}
.cx-num{display:grid;place-items:center;width:24px;height:24px;border-radius:9999px;background:var(--accent);color:#111827;font-size:13px;font-weight:800;flex:none}
.cx-step-b{padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.cx-os{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.cx-os-t{font-weight:800;font-size:13px;color:var(--txt-2)}
.cx-btn{display:inline-block;background:#111827;color:#fff;text-decoration:none;padding:11px 18px;border:0;border-radius:.85rem;font-weight:800;font-size:13px;box-shadow:0 8px 18px rgba(17,24,39,.16);transition:all .2s}
.cx-btn:hover{background:#000}
.cx-btn:active{transform:scale(.97)}
.cx-btn.ghost{background:var(--bg-muted);color:var(--txt-2);box-shadow:none}
.cx-btn.ghost:hover{background:#e5e7eb}
.cx-btn.small{font-size:12px;padding:9px 14px}
.cx-btn.big{font-size:15px;padding:14px 22px;background:var(--accent);color:#111827;box-shadow:0 10px 22px rgba(251,191,36,.35)}
.cx-btn.big:hover{background:#f59e0b}
.cx-vpn{border:2px solid var(--accent);border-radius:1.25rem;overflow:hidden;background:var(--accent-faint)}
.cx-vpn-h{display:flex;align-items:center;gap:10px;padding:13px 16px;font-weight:800;font-size:15px;color:var(--txt);background:var(--accent-soft);border-bottom:1px solid var(--accent)}
.cx-vpn-b{padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.cx-badge{background:#111827;color:#fff;font-size:11px;font-weight:800;border-radius:9999px;padding:3px 10px;margin-inline-start:auto}
.cx-alt{text-align:center;font-size:12px;font-weight:800;color:var(--faint);margin:2px 0}
.cx-hint{font-size:12px;font-weight:700;color:var(--muted);line-height:1.7;background:var(--bg-input);border-radius:.75rem;padding:10px 12px}
.cx-hint b{color:var(--txt-2)}
.cx-fp{font-size:11px;font-weight:700;color:var(--faint);word-break:break-all}
.cx-fp code{font-size:11px}
.cx-field{display:flex;align-items:center;gap:10px;background:var(--bg-input);border:1px solid var(--line-2);border-radius:.85rem;padding:8px 8px 8px 12px}
.cx-k{font-size:12px;font-weight:800;color:var(--muted);min-width:82px}
.cx-v{flex:1;font-family:var(--mono);font-size:13px;font-weight:500;color:var(--txt);word-break:break-all}
.cx-copy{background:var(--bg-muted);border:0;color:var(--txt-2);border-radius:.6rem;padding:7px 13px;font-size:12px;font-weight:800;flex:none;transition:all .2s}
.cx-copy:hover{background:#e5e7eb}
.cx-copy:active{transform:scale(.94)}
.cx-copy.done{background:var(--success-soft);color:var(--success-700)}
.cx-qr-row{flex-direction:row;align-items:center;gap:16px;font-size:13px;font-weight:700;color:var(--txt-2);line-height:1.6}
.cx-qr{width:150px;height:150px;border-radius:1rem;border:1px solid var(--line-2);background:#fff;padding:6px;flex:none}
.cx-foot{display:flex;justify-content:flex-start;padding-top:2px}