*{box-sizing:border-box}
:root{--ink:#142038;--nav:#101827;--blue:#4f6df5;--cyan:#28c5d9;--line:#dfe5ef;--muted:#68758a;--surface:#fff;--bg:#f4f7fb}
html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,sans-serif;background:var(--bg);color:var(--ink)}
a{text-decoration:none;color:inherit;cursor:pointer}
button,input,select,textarea{font:inherit}

/* ---------- App shell ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--nav);color:#fff;padding:18px 14px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;overflow:auto}
.brand{font-weight:800;font-size:18px;padding:8px 10px 24px}
.nav{display:grid;gap:5px}
.nav a{padding:10px 12px;border-radius:8px;color:#cbd5e1;display:flex;align-items:center;gap:10px}
.nav a:hover{background:#1f2937;color:#fff}
.nav a.active{background:#1f2937;color:#fff}
.nav-icon{width:18px;text-align:center;opacity:.8}
.sidebar-foot{margin-top:auto;padding:10px;font-size:12px;color:#6b7280}
.main{margin-left:260px;width:calc(100% - 260px);padding:36px 40px;max-width:1720px}
.top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.title{font-size:28px;font-weight:750}
.muted{color:#6b7280}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.card,.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 8px 30px #23345a0a}
.stat{font-size:28px;font-weight:750;margin-top:8px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid #e5e7eb;vertical-align:middle}
.btn{border:0;border-radius:8px;padding:10px 14px;background:#111827;color:#fff;cursor:pointer;font-weight:600}
.btn.secondary{background:#e5e7eb;color:#111827}
.btn.small{padding:6px 10px;font-size:13px}
.btn.danger{background:#fee2e2;color:#991b1b}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Auth pages ---------- */
.form{max-width:440px;margin:8vh auto;background:#fff;padding:32px;border-radius:14px;border:1px solid #e5e7eb}
.form.wide{max-width:480px}
.field{display:grid;gap:6px;margin:14px 0}
.field input,.field textarea,.field select{border:1px solid #d1d5db;border-radius:8px;padding:10px}
.error{color:#b91c1c;font-size:14px}
.step-indicator{display:flex;gap:8px;justify-content:center;margin-bottom:22px}
.step-dot{width:8px;height:8px;border-radius:50%;background:#e5e7eb}
.step-dot.done{background:#111827}
.code-inputs{display:flex;gap:8px;justify-content:center;margin:18px 0}
.code-inputs input{width:44px;height:52px;text-align:center;font-size:20px;border:1px solid #d1d5db;border-radius:8px}
.qr-box{width:180px;height:180px;margin:16px auto;background:
  repeating-linear-gradient(0deg,#111827,#111827 6px,#fff 6px,#fff 12px),
  repeating-linear-gradient(90deg,#111827,#111827 6px,transparent 6px,transparent 12px);
  background-blend-mode:multiply;border-radius:8px;border:1px solid #e5e7eb}
.manual-key{font-family:ui-monospace,monospace;background:#f3f4f6;border-radius:8px;padding:10px;text-align:center;letter-spacing:2px;font-size:14px;margin:10px 0}

/* ---------- Badges / pills / chips ---------- */
.pill{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}
.pill.on{background:#dcfce7;color:#166534}
.pill.off{background:#e5e7eb;color:#374151}
.pill.locked{background:#ede9fe;color:#5b21b6}
.badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;background:#f3f4f6;color:#4b5563}
.chip{display:inline-flex;align-items:center;gap:6px;background:#f3f4f6;border-radius:999px;padding:4px 10px;font-size:12px;margin:2px 4px 2px 0}
.chip button{border:0;background:transparent;cursor:pointer;color:#9ca3af;font-size:13px;line-height:1}
.chip button:hover{color:#b91c1c}
.chip.voice{background:#e0f2fe;color:#075985}
.chip.text{background:#f0fdf4;color:#166534}

/* ---------- Toggle switch ---------- */
.switch{position:relative;display:inline-block;width:38px;height:22px;vertical-align:middle}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#d1d5db;border-radius:999px;cursor:pointer;transition:.15s}
.slider:before{content:"";position:absolute;height:16px;width:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s}
.switch input:checked + .slider{background:#111827}
.switch input:checked + .slider:before{transform:translateX(16px)}
.switch input:disabled + .slider{opacity:.4;cursor:not-allowed}
.switch-row{display:flex;align-items:center;gap:8px;font-size:13px;color:#374151}

/* ---------- Integration grid ---------- */
.int-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.int-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px}
.int-card .head{display:flex;justify-content:space-between;align-items:flex-start}
.int-card .name{font-weight:700;font-size:15px}
.int-card .flags{display:flex;gap:14px;margin-top:6px}
.int-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:#f3f4f6}
.add-card{border:2px dashed #d1d5db;background:transparent;display:flex;align-items:center;justify-content:center;color:#6b7280;font-weight:600;cursor:pointer;min-height:140px}
.add-card:hover{border-color:#9ca3af;color:#111827}
.category-select{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.category-select button{border:1px solid #e5e7eb;background:#fff;padding:8px 14px;border-radius:999px;cursor:pointer;font-size:13px}
.category-select button.active{background:#111827;color:#fff;border-color:#111827}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:#00000066;display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.overlay.open{display:flex}
.modal{background:#fff;border-radius:14px;max-width:520px;width:100%;max-height:86vh;overflow-y:auto;padding:26px}
.modal .top{margin-bottom:10px}
.modal-close{background:none;border:0;font-size:20px;cursor:pointer;color:#6b7280}
.note{background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:20px}
.note.warn{background:#fff7ed;border-color:#fed7aa;color:#9a3412}

/* ---------- Knowledge base ---------- */
.kb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.kb-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}
.kb-card .count{font-size:24px;font-weight:750;margin:6px 0}

@media(max-width:1000px){.grid,.int-grid,.kb-grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.sidebar{width:200px}.main{margin-left:200px;width:calc(100% - 200px)}}
@media(max-width:650px){.sidebar{position:static;width:100%;min-height:auto}.shell{display:block}.main{margin-left:0;width:100%;padding:20px}.grid,.int-grid,.kb-grid{grid-template-columns:1fr}}

/* ---------- v3: grouped sidebar nav ---------- */
.nav-section{font-size:11px;font-weight:700;letter-spacing:.05em;color:#6b7280;text-transform:uppercase;padding:16px 12px 4px}
.brand-mark{display:flex;align-items:center;gap:10px;padding:4px 8px 18px}.brand-mark>span{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));font-weight:900}.brand-mark div{display:grid}.brand-mark small,.tenant-switch small{font-size:10px;color:#8190aa;font-weight:500}.tenant-switch{border:1px solid #263247;background:#172135;border-radius:10px;padding:9px;color:#dbe4f3;margin-bottom:8px;display:flex;align-items:center;gap:8px;text-align:left}.tenant-switch>span:nth-child(2){display:grid;flex:1}.tenant-avatar{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:#273550;font-size:10px;font-weight:800}
.nav{gap:2px}.nav a{padding:8px 10px;font-size:13px}.nav-section{padding:15px 10px 4px;color:#53617a}.live-nav{color:#fb7185}.sidebar-foot{display:flex;align-items:center;gap:7px;color:#8d9ab0}
.eyebrow{font-size:11px;letter-spacing:.13em;color:var(--blue);font-weight:800;margin-bottom:7px}.top-actions{display:flex;gap:8px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;min-height:138px}.metric-label{font-size:12px;color:var(--muted);font-weight:650}.metric-main{display:flex;align-items:baseline;justify-content:space-between;margin-top:8px}.metric-main strong{font-size:26px}.delta{font-size:11px;background:#edf1f7;padding:4px 7px;border-radius:999px}.delta.good{background:#dcfce7;color:#14733a}.metric-foot{font-size:11px;color:var(--muted);margin-top:10px}.spark{height:36px;display:flex;align-items:end;gap:5px;margin-top:8px}.spark i{width:12%;background:linear-gradient(var(--blue),#91a3ff);border-radius:3px 3px 0 0}.capacity{height:7px;background:#e9edf5;border-radius:9px;margin-top:18px;overflow:hidden}.capacity span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan))}.dashboard-columns{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-bottom:16px}.panel-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid #edf0f5}.panel-head a{font-size:12px;color:var(--blue)}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#fb4f69;margin-right:7px;box-shadow:0 0 0 4px #ffe5e9}.live-call{display:grid;grid-template-columns:auto 1fr 70px auto auto;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid #edf0f5}.avatar{width:34px;height:34px;border-radius:10px;background:#dce7ff;color:#3b5bdb;display:grid;place-items:center;font-size:11px;font-weight:800}.avatar.violet{background:#eee7ff;color:#7145c7}.wave{display:flex;gap:3px;align-items:center;height:22px}.wave i{display:block;width:3px;border-radius:4px;background:#66a2ff;height:40%}.wave i:nth-child(2),.wave i:nth-child(4){height:85%}.wave i:nth-child(3){height:60%}.timer{font-variant-numeric:tabular-nums;font-size:12px}.node-mini{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid #edf0f5;font-size:12px}.node-mini div{display:grid}.node-mini small,.app-identity small,td small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot.ok{background:#22c55e}.status-dot.warn{background:#f59e0b}.architecture-note{margin-top:4px}
.data-table-wrap{overflow:auto}.app-identity{display:flex;align-items:center;gap:10px}.platform-icon{width:30px;height:30px;border-radius:9px;background:#e6edff;color:#405dd8;display:grid;place-items:center;font-weight:800}.platform-icon.android{background:#dcfce7;color:#15803d}.platform-icon.ios{background:#eef0f4;color:#303744}.meter{width:76px;height:6px;background:#e8edf5;border-radius:9px;overflow:hidden}.meter span{display:block;height:100%;background:#5575f6}.meter.ram span{background:#25b9cb}.pill.warn-pill{background:#fff2cc;color:#8a5a00}.infra-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.summary-tile{background:#fff;border:1px solid var(--line);padding:16px;border-radius:13px}.summary-tile strong{font-size:24px;display:block;margin-top:6px}.scale-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;margin-top:18px}.policy-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #edf0f5}.event-card{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:14px;border-radius:10px;background:#f7f9fd}.event-card small{display:block;color:var(--muted);margin-top:4px}.architecture-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:center}.flow-node{padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;text-align:center;font-size:12px}.flow-node b{display:block;margin-bottom:4px}.flow-arrow{text-align:center;color:#8a98ad}.ai-choice{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}.ai-choice.recommended{border-color:#6f86f8;box-shadow:0 0 0 3px #e7ebff}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.command-modal{padding:0;overflow:hidden}.command-input{display:flex;gap:10px;align-items:center;padding:14px;border-bottom:1px solid var(--line)}.command-input input{border:0;outline:0;flex:1;font-size:15px}.command-input kbd{font-size:10px;color:var(--muted)}.command-results{display:grid;padding:8px}.command-results a{display:grid;padding:11px;border-radius:8px}.command-results a:hover{background:#f2f5fb}.command-results small{color:var(--muted);font-size:11px}

/* ---------- Connections & nested resources ---------- */
.conn-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin-bottom:14px}
.conn-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.conn-head .left{display:flex;gap:12px}
.resource-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid #f3f4f6}
.resource-row:first-of-type{border-top:1px solid #e5e7eb;margin-top:10px}
.resource-label{font-weight:600;font-size:14px}
.resource-meta{font-size:12px;color:#6b7280;margin-top:2px}

/* ---------- Tabs (call center detail, team) ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid #e5e7eb;margin-bottom:20px}
.tabs button{border:0;background:none;padding:10px 16px;font-weight:600;color:#6b7280;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.active{color:#111827;border-bottom-color:#111827}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* ---------- Overview stat rows ---------- */
.stat-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #f3f4f6;font-size:14px}
.stat-row:last-child{border-bottom:0}
.cc-summary-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}
.cc-summary-card .name{font-weight:700;font-size:16px}
.cc-summary-card ul{margin:10px 0 0;padding:0;list-style:none;font-size:13px;color:#374151}
.cc-summary-card li{padding:3px 0}

/* ---------- Conversation transcript modal ---------- */
.transcript{max-height:320px;overflow-y:auto;margin:14px 0;padding:4px}
.msg-row{margin:8px 0}
.msg-row.customer .bubble{background:#e5e7eb;color:#111827}
.msg-row.agent{text-align:right}
.msg-row.agent .bubble{background:#111827;color:#fff}
.bubble{display:inline-block;padding:8px 12px;border-radius:10px;max-width:75%;font-size:14px}

/* ---------- v-core: platform shell tweaks ---------- */
.nav{max-height:none}
.nav-section{padding:14px 12px 4px}

/* ---------- Kanban (Tasks) ---------- */
.kanban{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kanban-col{background:#f3f4f6;border-radius:12px;padding:12px}
.kanban-col h4{margin:4px 8px 10px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:#6b7280}
.kanban-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:12px;margin-bottom:10px;font-size:14px}
.kanban-card .meta{font-size:12px;color:#6b7280;margin-top:6px}

/* ---------- Live room ---------- */
.live-room{background:#0b1220;color:#fff;border-radius:16px;padding:26px}
.participants{display:flex;gap:20px;margin:20px 0}
.participant{flex:1;background:#111827;border-radius:12px;padding:18px;text-align:center}
.participant .dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px}
.dot.live{background:#22c55e}
.dot.off{background:#6b7280}
.live-controls{display:flex;gap:10px;margin-top:20px}
.live-controls .btn{flex:1}

/* ---------- Workflow builder ---------- */
.wf-step{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:14px 18px;margin-bottom:10px}
.wf-step .wf-num{width:28px;height:28px;border-radius:50%;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.wf-arrow{text-align:center;color:#9ca3af;margin:2px 0}

/* ---------- Wizard (future-app example: Birthday Calls) ---------- */
.wizard-steps{display:flex;justify-content:space-between;margin-bottom:26px}
.wizard-steps .ws{flex:1;text-align:center;font-size:12px;color:#9ca3af;position:relative;padding-bottom:10px;border-bottom:3px solid #e5e7eb}
.wizard-steps .ws.done{color:#111827;border-color:#111827;font-weight:600}
.wizard-steps .ws.current{color:#111827;border-color:#6366f1;font-weight:700}
.audio-row{display:flex;align-items:center;gap:10px;background:#f3f4f6;border-radius:8px;padding:10px 14px;margin:8px 0}
.audio-row .play{width:28px;height:28px;border-radius:50%;background:#111827;color:#fff;border:0;cursor:pointer}

/* ---------- App marketplace ---------- */
.app-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:8px}
.app-card .app-icon{font-size:26px}
.app-card .name{font-weight:700}

/* ---------- Event log ---------- */
.event-row{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #f3f4f6;font-size:13px;align-items:baseline}
.event-name{font-family:ui-monospace,monospace;background:#f3f4f6;padding:2px 8px;border-radius:6px;font-size:12px}

@media(max-width:1000px){.dashboard-columns,.scale-layout,.choice-grid{grid-template-columns:1fr}.infra-summary{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.kanban{grid-template-columns:1fr}.participants{flex-direction:column}.main{margin-left:220px;width:calc(100% - 220px);padding:24px}.sidebar{width:220px}}
@media(max-width:650px){.sidebar{position:static;width:100%;max-height:420px}.main{margin-left:0;width:100%;padding:18px}.dashboard-columns,.infra-summary{grid-template-columns:1fr}.live-call{grid-template-columns:auto 1fr auto}.wave,.timer{display:none}.architecture-flow{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg)}}

/* ---------- Tenant isolation explorer ---------- */
.tenant-demo-head{display:flex;align-items:center;gap:14px}.tenant-large{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:850}.tenant-tabs{display:flex;gap:8px;margin-bottom:18px}.tenant-tabs button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:650}.tenant-tabs button.active{background:var(--ink);border-color:var(--ink);color:#fff}.tenant-scope{font-family:ui-monospace,monospace;font-size:10px;color:#65738a;background:#eef2f7;padding:4px 7px;border-radius:6px}.isolation-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.isolation-group{border:1px solid var(--line);border-radius:13px;padding:14px;background:#fff}.isolated-row{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid #edf0f5;font-size:12px}.isolated-row:last-child{border-bottom:0}.isolated-row code{font-size:9px;color:#7a8799}.access-result.denied{background:#fff1f2;color:#9f1239}.deny-icon{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#fb7185;color:#fff;font-weight:800}.isolation-principles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.principle{padding:14px;background:#f7f9fd;border-radius:10px;font-size:11px}.principle b{display:block;font-size:12px;margin-bottom:5px}
@media(max-width:900px){.isolation-grid,.isolation-principles{grid-template-columns:1fr}}