:root {
  --bg: #0f1115; --bg2: #151821; --panel: #1a1e29; --panel2: #202533; --border: #2a3040;
  --text: #e6e9ef; --muted: #8b93a7; --accent: #3b82f6; --accent2: #2563eb;
  --ok: #22c55e; --warn: #f59e0b; --crit: #ef4444; --major: #f97316; --info: #64748b;
  --user-bg: #1e3a5f; --code-bg: #0b0d12; --radius: 10px;
  --font: -apple-system, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
}
:root[data-theme="light"] {
  --bg: #f6f7f9; --bg2: #eef0f4; --panel: #ffffff; --panel2: #f3f4f7; --border: #dfe3ea;
  --text: #121826; --muted: #5f6b7d; --user-bg: #dbeafe; --code-bg: #f1f3f7;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 var(--font); }
a { color: var(--accent); text-decoration: none; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
.hidden { display: none !important; }
/* local read-only accounts (body.viewer): no controls that would change anything */
body.viewer .write-only { display: none !important; }
body:not(.viewer) .viewer-only { display: none !important; }
body.viewer #case-title { pointer-events: none; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; align-items: center; }
.gap { gap: 8px; }
.end { justify-content: flex-end; }
.grow { flex: 1; }
.block { width: 100%; }

.layout { display: grid; grid-template-columns: 270px 1fr; height: 100vh; }
.layout.no-sidebar { grid-template-columns: 1fr; }
.layout.no-sidebar .sidebar { display: none; }

/* sidebar */
.sidebar { background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 12px; gap: 10px; min-height: 0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.badge { font-size: 10px; border: 1px solid var(--border); border-radius: 99px; padding: 1px 7px; font-weight: 500; }
.case-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; min-height: 80px; }
.case-item { padding: 8px 10px; border-radius: 8px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.case-item:hover { background: var(--panel); }
.case-item.active { background: var(--panel2); outline: 1px solid var(--border); }
.case-item .t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.case-item .m { font-size: 11px; color: var(--muted); display: flex; gap: 6px; }
.pill { font-size: 10px; padding: 0 6px; border-radius: 99px; border: 1px solid var(--border); }
.pill.resolve { color: var(--warn); border-color: var(--warn); }
.pill.resolved { color: var(--ok); border-color: var(--ok); }
.nav { display: flex; flex-direction: column; gap: 2px; border-top: 1px solid var(--border); padding-top: 8px; }
.nav a { color: var(--text); padding: 6px 10px; border-radius: 8px; }
.nav a:hover, .nav a.active { background: var(--panel); }
.sidebar-foot { display: flex; justify-content: space-between; align-items: center; }

/* controls */
.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer; font: inherit; white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent2); }
.btn.danger { background: var(--crit); border-color: var(--crit); color: #fff; }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn { background: none; border: none; color: var(--text); font-size: 17px; cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.icon-btn:hover { background: var(--panel2); }
.input, .select, textarea { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font: inherit; }
.input:focus, .select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.select.small { padding: 4px 6px; font-size: 12px; }
.link { color: var(--accent); cursor: pointer; }
.chip { background: var(--panel); border: 1px solid var(--border); color: var(--text); border-radius: 99px; padding: 6px 12px; cursor: pointer; font: inherit; }
.chip:hover { border-color: var(--accent); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--crit); }

/* main */
.main { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.view { flex: 1; min-height: 0; display: flex; flex-direction: column; }
#view-knowledge, #view-devices, #view-analyze, #view-integrations, #view-audit { padding: 20px 28px; overflow-y: auto; gap: 12px; }
.page-head { display: flex; justify-content: space-between; align-items: center; }
.page-head h2 { margin: 0; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 10px; }

.chat-head { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--bg2); flex-wrap: wrap; }
.title-input { flex: 1; min-width: 160px; background: transparent; border: 1px solid transparent; color: var(--text); font: 600 15px var(--font); padding: 5px 8px; border-radius: 6px; }
.title-input:hover:not(:disabled), .title-input:focus { border-color: var(--border); outline: none; }
.mode-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.mode-switch button { background: var(--panel); color: var(--muted); border: none; padding: 6px 10px; cursor: pointer; font: inherit; }
.mode-switch button.active[data-mode="diagnose"] { background: var(--accent); color: #fff; }
.mode-switch button.active[data-mode="resolve"] { background: var(--warn); color: #111; }
.head-actions { display: flex; gap: 6px; align-items: center; }
#model-select { max-width: 220px; }

.chat-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 1fr 340px; }
.chat-body.no-evidence { grid-template-columns: 1fr 0; }
.chat-body.no-evidence .evidence { display: none; }
.chat-col { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.messages { flex: 1; overflow-y: auto; padding: 20px max(16px, calc((100% - 860px) / 2)); display: flex; flex-direction: column; gap: 14px; }
.empty { margin: auto; max-width: 640px; text-align: center; }
.empty h1 { font-size: 28px; margin-bottom: 4px; }
.suggestions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }

.msg { display: flex; flex-direction: column; gap: 4px; max-width: 100%; }
.msg .who { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.msg.user { align-items: flex-end; }
.msg.user .bubble { background: var(--user-bg); border-radius: 14px 14px 2px 14px; padding: 8px 14px; max-width: 85%; white-space: pre-wrap; word-break: break-word; }
.msg.assistant .bubble { padding: 2px 0; }
.md h1, .md h2, .md h3 { margin: .8em 0 .3em; line-height: 1.25; }
.md h1 { font-size: 20px; } .md h2 { font-size: 17px; } .md h3 { font-size: 15px; }
.md p { margin: .4em 0; } .md ul, .md ol { margin: .3em 0; padding-left: 1.4em; } .md li.sub { margin-left: 1.2em; }
.md code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border); }
.md pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; overflow-x: auto; margin: 0; }
.md pre code { background: none; border: none; padding: 0; }
.md table { border-collapse: collapse; margin: .5em 0; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--border); padding: 4px 8px; text-align: left; }
.md blockquote { border-left: 3px solid var(--accent); margin: .4em 0; padding: 2px 12px; color: var(--muted); }
.codewrap { position: relative; margin: .5em 0; }
.codewrap .copy { position: absolute; right: 6px; top: 6px; font-size: 11px; background: var(--panel2); color: var(--muted); border: 1px solid var(--border); border-radius: 5px; cursor: pointer; padding: 1px 7px; }
.cursor::after { content: "▍"; animation: blink 1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

.tool { border: 1px solid var(--border); border-radius: 8px; background: var(--panel); font-size: 12.5px; }
.tool summary { cursor: pointer; padding: 6px 10px; list-style: none; display: flex; gap: 8px; align-items: center; }
.tool summary::-webkit-details-marker { display: none; }
.tool .args { color: var(--muted); font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.tool pre { margin: 0; padding: 8px 10px; border-top: 1px solid var(--border); max-height: 360px; overflow: auto; white-space: pre-wrap; background: var(--code-bg); }
.spin { width: 12px; height: 12px; border: 2px solid var(--muted); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.reasoning { font-size: 12px; color: var(--muted); border-left: 2px solid var(--border); padding-left: 10px; white-space: pre-wrap; max-height: 160px; overflow-y: auto; }
.status-line { font-size: 12px; color: var(--muted); font-style: italic; }
.err { color: var(--crit); border: 1px solid var(--crit); border-radius: 8px; padding: 8px 12px; }

.approval { border: 2px solid var(--warn); border-radius: 10px; padding: 12px; background: var(--panel); display: flex; flex-direction: column; gap: 8px; }
.approval h4 { margin: 0; color: var(--warn); }
.approval textarea { width: 100%; font-family: var(--mono); font-size: 12.5px; }
.approval .risk { color: var(--major); font-size: 12px; }
.approval.done { border-color: var(--border); opacity: .8; }

.composer { border-top: 1px solid var(--border); padding: 10px max(16px, calc((100% - 860px) / 2)) 8px; background: var(--bg); }
.composer-row { display: flex; gap: 8px; align-items: flex-end; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 6px 8px; }
.composer-row:focus-within { border-color: var(--accent); }
.composer textarea { flex: 1; border: none; background: transparent; resize: none; max-height: 240px; padding: 6px 4px; }
.composer textarea:focus { outline: none; }
.composer-hint { padding: 4px 6px 0; }
.pending-files { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.file-chip { background: var(--panel2); border: 1px solid var(--border); border-radius: 99px; padding: 2px 10px; font-size: 12px; display: inline-flex; gap: 6px; align-items: center; }
.file-chip button { background: none; border: none; color: var(--muted); cursor: pointer; }

.evidence { border-left: 1px solid var(--border); background: var(--bg2); padding: 12px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.dropzone { border: 2px dashed var(--border); border-radius: 10px; padding: 16px; text-align: center; color: var(--muted); font-size: 13px; }
.dropzone.over, body.dragging .dropzone { border-color: var(--accent); color: var(--text); }
.paste summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.paste[open] { display: flex; flex-direction: column; gap: 6px; }
.att { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12.5px; display: flex; flex-direction: column; gap: 4px; }
.att .name { font-weight: 600; word-break: break-all; display: flex; justify-content: space-between; gap: 6px; }
.att .kind { font-size: 10px; text-transform: uppercase; color: var(--muted); }
.att ul { margin: 0; padding-left: 16px; }
.sev { font-size: 10px; font-weight: 700; padding: 0 5px; border-radius: 4px; color: #fff; text-transform: uppercase; }
.sev.critical { background: var(--crit); } .sev.major { background: var(--major); } .sev.minor { background: var(--warn); color: #111; } .sev.info { background: var(--info); }

.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; font-size: 13px; }
.table th, .table td { padding: 7px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { background: var(--panel2); font-weight: 600; font-size: 12px; color: var(--muted); }
.table td .btn { padding: 3px 8px; font-size: 12px; }
.output { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px; max-height: 500px; overflow: auto; white-space: pre-wrap; margin: 0; }
.finding { border-left: 3px solid var(--border); padding: 4px 10px; margin: 6px 0; }
.finding.critical { border-color: var(--crit); } .finding.major { border-color: var(--major); } .finding.minor { border-color: var(--warn); } .finding.info { border-color: var(--info); }
.hit { border-bottom: 1px solid var(--border); padding: 8px 0; }
.hit pre { white-space: pre-wrap; max-height: 160px; overflow: auto; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 12px; padding: 0; width: min(560px, 92vw); }
dialog::backdrop { background: rgba(0,0,0,.55); }
.form { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.form h3 { margin: 0; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); flex: 1; }
.form label.check { flex-direction: row; align-items: center; gap: 8px; }
#dlg-summary { width: min(860px, 94vw); }
#summary-body { max-height: 70vh; overflow-y: auto; }

.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--panel2); border: 1px solid var(--border); padding: 8px 16px; border-radius: 8px; z-index: 50; box-shadow: 0 6px 24px rgba(0,0,0,.35); }
.toast.error { border-color: var(--crit); }

/* embedded (inside NetManager) */
body.embed .brand .badge { display: none; }
@media (max-width: 1100px) { .chat-body { grid-template-columns: 1fr 0; } .evidence { display: none; } .chat-body.show-evidence .evidence { display: flex; position: fixed; right: 0; top: 50px; bottom: 0; width: 340px; z-index: 5; } }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; } .sidebar { display: none; }
  .layout.show-sidebar .sidebar { display: flex; position: fixed; inset: 0 auto 0 0; width: 270px; z-index: 20; }
  .chat-head { gap: 6px; padding: 6px 8px; }
  .title-input { min-width: 0; flex-basis: calc(100% - 90px); }
  #provider-select, #status-select, #btn-report, #llm-dot { display: none; }
  #model-select { max-width: 150px; }
  .mode-switch button { padding: 5px 8px; }
  .messages { padding: 14px 12px; }
  .composer { padding: 8px 10px; }
}

/* accounts */
.form-error { color: var(--crit); }
.status-on { color: var(--ok); }
.status-off { color: var(--muted); }
.table td .row { gap: 4px; flex-wrap: wrap; }