:root {
  --bg: #0b0b10;
  --surface: #12121a;
  --surface-2: #191923;
  --border: #292936;
  --text: #f4f4f6;
  --muted: #9999aa;
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  --good: #5ee6b0;
  --warning: #f2c56d;
  --danger: #ff837a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; }
button, select, textarea, input, .button { font: inherit; }
button, .button {
  color: var(--text); background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 9px; padding: .65rem .8rem; cursor: pointer; text-decoration: none;
}
button:hover, .button:hover { border-color: var(--accent-2); }
button:focus-visible, .button:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent-2); outline-offset: 3px;
}
button:disabled { cursor: not-allowed; opacity: .58; }
.primary { background: var(--accent); border-color: var(--accent); font-weight: 650; }
header {
  height: 60px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.1rem; border-bottom: 1px solid var(--border); background: #0d0d13;
}
.demo-banner { padding: .55rem 1rem; text-align: center; background: #3b2508; color: #f8d79a; font-size: .84rem; }
.demo main { height: calc(100vh - 96px); }
.brand { display: flex; align-items: center; gap: .65rem; font-weight: 700; }
.mark {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #4f46e5); color: white;
}
.mark.large { width: 54px; height: 54px; border-radius: 16px; font-size: 1.4rem; }
.identity { display: flex; align-items: center; gap: .6rem; color: var(--muted); font-size: .85rem; }
.role { border: 1px solid var(--border); border-radius: 99px; padding: .25rem .5rem; }
main { height: calc(100vh - 60px); display: grid; grid-template-columns: 240px 1fr auto; }
.sidebar { border-right: 1px solid var(--border); padding: .9rem; display: flex; flex-direction: column; gap: 1rem; }
#conversations { display: flex; flex-direction: column; gap: .3rem; overflow-y: auto; }
.conversation-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .25rem; }
.conversation-row button { text-align: left; border-color: transparent; background: transparent; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-row button.active { background: var(--surface-2); border-color: var(--border); }
.conversation-row .conversation-edit { color: var(--muted); font-size: .75rem; padding-inline: .45rem; }
.sidebar-actions { margin-top: auto; display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
.workspace { min-width: 0; display: flex; justify-content: center; }
.empty-state { max-width: 540px; margin: auto; padding: 2rem; text-align: center; }
.empty-state .mark { margin: 0 auto; }
.empty-state h1 { font-size: clamp(2rem, 5vw, 3.7rem); letter-spacing: -.055em; margin: 1.2rem 0 .6rem; }
.empty-state p, .muted { color: var(--muted); line-height: 1.6; }
#chat { width: min(860px, 100%); padding: 1rem; display: flex; flex-direction: column; min-height: 0; }
#messages { flex: 1; overflow-y: auto; padding: .5rem 0 1.2rem; }
.title-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .5rem; margin-bottom: .5rem; }
.message { margin: .8rem 0; padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 14px; line-height: 1.55; white-space: pre-wrap; }
.message.user { margin-left: 15%; background: var(--surface-2); }
.message.assistant { margin-right: 8%; background: var(--surface); }
.message small { color: var(--muted); display: block; margin-top: .6rem; }
.message-investigate { margin-top: .8rem; padding: .45rem .65rem; font-size: .8rem; }
#composer { border: 1px solid var(--border); background: var(--surface); border-radius: 15px; padding: .7rem; }
textarea, input, select {
  width: 100%; color: var(--text); background: #0f0f16; border: 1px solid var(--border);
  border-radius: 8px; padding: .7rem; outline: none;
}
textarea:focus, input:focus, select:focus { border-color: var(--accent); }
#composer textarea { resize: none; border: 0; background: transparent; }
.composer-controls, .row { display: flex; align-items: center; gap: .6rem; }
.composer-controls select { width: auto; max-width: 220px; }
.composer-controls label { display: flex; gap: .35rem; color: var(--muted); font-size: .85rem; }
.composer-controls input { width: auto; }
.composer-controls button { margin-left: auto; }
.panel { width: min(560px, 48vw); border-left: 1px solid var(--border); background: var(--surface); padding: 1.2rem; overflow-y: auto; }
.panel h2 { margin-top: .5rem; }
.panel form { display: grid; gap: .7rem; margin: 1rem 0 1.6rem; }
.panel label { display: grid; gap: .35rem; }
.close { float: right; border: 0; font-size: 1.4rem; padding: .2rem .5rem; }
.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; }
.metric { padding: .8rem; border: 1px solid var(--border); border-radius: 10px; }
.metric strong { display: block; font-size: 1.4rem; }
.metric span { color: var(--muted); font-size: .8rem; }
.model-row { padding: .65rem 0; border-bottom: 1px solid var(--border); font-size: .86rem; }
.context-items { display: grid; gap: .55rem; }
.context-item { padding: .75rem; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2); }
.context-item small { display: block; color: var(--muted); margin-top: .2rem; }
.context-item p { margin: .55rem 0 0; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.admin-actions { display: flex; gap: .5rem; margin: 1rem 0; }
.status, #replay-result { color: var(--muted); white-space: pre-wrap; }
.operations-evidence { border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; padding-bottom: 1.5rem; }
.operations-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.operations-heading h3 { font-size: 1.08rem; margin: 0; }
.section-kicker { color: var(--accent-2); font: .68rem ui-monospace, monospace; letter-spacing: .13em; margin: 0 0 .35rem; text-transform: uppercase; }
.capacity-scope { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: .7rem; margin-top: 1rem; }
.capacity-scope label { color: var(--muted); font-size: .82rem; }
.capacity-scope select { width: auto; }
.operations-notice { color: var(--warning); font-size: .82rem; line-height: 1.5; min-height: 1.25rem; }
.capacity-assessment { border: 1px solid var(--border); border-left: 4px solid var(--warning); border-radius: 12px; background: linear-gradient(135deg, #211c2e, var(--surface-2)); padding: 1rem; }
.capacity-assessment.capacity-capacity_exceeded { border-left-color: var(--danger); background: linear-gradient(135deg, #321b22, var(--surface-2)); }
.capacity-assessment.capacity-within_observed_capacity { border-left-color: var(--good); background: linear-gradient(135deg, #132b25, var(--surface-2)); }
.capacity-assessment h3 { font-size: 1.25rem; line-height: 1.2; margin: .25rem 0 .4rem; overflow-wrap: anywhere; }
.capacity-state { color: var(--warning); font: 700 .68rem ui-monospace, monospace; letter-spacing: .11em; margin: 0; text-transform: uppercase; }
.capacity-capacity_exceeded .capacity-state { color: var(--danger); }
.capacity-within_observed_capacity .capacity-state { color: var(--good); }
.capacity-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; margin: 1rem 0 0; }
.capacity-facts div { border-top: 1px solid var(--border); min-width: 0; padding-top: .55rem; }
.capacity-facts dt, .technical-list dt { color: var(--muted); font-size: .72rem; }
.capacity-facts dd, .technical-list dd { margin: .2rem 0 0; overflow-wrap: anywhere; }
.evidence-guidance { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.1rem; }
.evidence-guidance > div { min-width: 0; }
.evidence-guidance h3, .recent-investigations h3 { margin: 0; }
.evidence-list, .action-list { margin: .55rem 0 0; padding-left: 1.25rem; }
.evidence-list li, .action-list li { border-top: 1px solid var(--border); color: var(--muted); font-size: .82rem; overflow-wrap: anywhere; padding: .5rem 0; }
.recent-investigations { margin-top: 1.4rem; }
.recent-investigations > .muted { font-size: .82rem; }
.candidate-list { display: grid; gap: .45rem; }
.candidate { display: grid; gap: .15rem; text-align: left; width: 100%; }
.candidate strong, .candidate span { overflow-wrap: anywhere; }
.candidate span { color: var(--muted); font-size: .75rem; }
.selected-investigation { border-top: 1px solid var(--border); margin-top: 1.25rem; padding-top: 1.25rem; }
.selected-investigation > h3 { font-size: 1.2rem; line-height: 1.25; margin: .3rem 0 .4rem; overflow-wrap: anywhere; }
.evidence-path { counter-reset: none; list-style: none; margin: 1rem 0 0; padding: 0; }
.evidence-path li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .2rem .65rem; border-left: 3px solid var(--border); padding: .55rem 0 .55rem .75rem; }
.evidence-path li.path-exact, .evidence-path li.path-configured { border-left-color: var(--good); }
.evidence-path li.path-multi_mapped, .evidence-path li.path-unmapped { border-left-color: var(--warning); }
.evidence-path strong, .evidence-path p { overflow-wrap: anywhere; }
.evidence-path span { color: var(--muted); font: .68rem ui-monospace, monospace; text-transform: uppercase; }
.evidence-path p { color: var(--muted); font-size: .8rem; grid-column: 1 / -1; margin: 0; }
.technical-disclosure, .legacy-admin-details { border: 1px solid var(--border); border-radius: 9px; margin-top: 1rem; }
.technical-disclosure > summary, .legacy-admin-details > summary { cursor: pointer; padding: .75rem; }
.technical-disclosure > :not(summary), .legacy-admin-details > :not(summary) { margin-left: .75rem; margin-right: .75rem; }
.technical-list { display: grid; gap: .65rem; }
.technical-list div { min-width: 0; }
.technical-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; padding-bottom: .75rem; }
.technical-columns h3 { margin-bottom: .4rem; }
.technical-columns ul { list-style: none; margin: 0; padding: 0; }
.technical-columns li { border-top: 1px solid var(--border); color: var(--muted); font-size: .75rem; overflow-wrap: anywhere; padding: .45rem 0; }
.legacy-admin-details { margin-bottom: 1.5rem; }
.legacy-admin-details .metrics { padding-top: .25rem; }
#toast { position: fixed; right: 1rem; bottom: 1rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: .7rem 1rem; opacity: 0; pointer-events: none; transition: opacity .2s; }
#toast.show { opacity: 1; }
.hidden { display: none !important; }
.login-page { display: grid; place-items: center; padding: 1.5rem; }
.login-page main { display: block; width: min(430px, 100%); height: auto; min-height: 0; }
.login-page .brand { margin-bottom: 1.2rem; }
.login-card { padding: 2rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: 0 24px 70px rgb(0 0 0 / 35%); }
.login-card h1 { margin: 0 0 .5rem; font-size: 1.8rem; letter-spacing: -.025em; }
.login-card p { margin: 0 0 1.4rem; color: var(--muted); line-height: 1.55; }
.login-form { display: grid; gap: 1rem; }
.login-form label { display: grid; gap: .4rem; color: #d8d8e2; font-size: .9rem; }
.login-form button { background: var(--accent); border-color: var(--accent); font-weight: 700; }
.login-notice { margin-top: 1.25rem; padding: .9rem; border: 1px solid #684b20; border-radius: 10px; background: #261b0d; color: #f4ce8b; font-size: .82rem; }
.login-error { margin-bottom: 1rem; color: #fecaca; }
@media (max-width: 760px) {
  header .identity .role { display: none; }
  main { grid-template-columns: 1fr; height: auto; min-height: calc(100vh - 60px); }
  .demo main { min-height: calc(100vh - 96px); }
  .sidebar { border: 0; border-bottom: 1px solid var(--border); flex-direction: row; overflow-x: auto; }
  #conversations { flex-direction: row; }
  .sidebar-actions { margin: 0 0 0 auto; display: flex; }
  .panel { position: fixed; inset: 60px 0 0 0; width: 100%; z-index: 3; }
  .workspace { min-height: calc(100vh - 130px); }
  .composer-controls { flex-wrap: wrap; }
  .composer-controls button { margin-left: 0; }
  .message.user, .message.assistant { margin-left: 0; margin-right: 0; }
  .evidence-guidance, .technical-columns, .capacity-facts { grid-template-columns: 1fr; }
}