/* ═══════════════════════════════════════════════════════════════════
   CoSolve UI — styles.css
   Layout: new 5-panel flex system (tab-rail + lp + kpi-panel + center + rp)
   Components: all production component styles preserved below
   ═══════════════════════════════════════════════════════════════════ */

/* ── RESET ── */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* ── DESIGN TOKENS ── */
:root {
  --bg: #f2f4f8;
  --surface: #ffffff;
  --border: #e3e7f0;
  --border-light: #eef0f7;
  --text: #14172b;
  --text-2: #4a5068;
  --text-3: #8b93ad;
  --accent: #2563eb;
  --accent-light: #eff4ff;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --top: 44px;
  --radius: 10px;
  --shadow: 0 1px 4px rgba(0,0,0,.07), 0 2px 12px rgba(0,0,0,.04);
  --panel-t: .3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Geist', system-ui, sans-serif;
  /* Production button tokens — preserved for existing component compatibility */
  --btn-standard-bg: #eff6ff;
  --btn-standard-bg-hover: #e0ecff;
  --btn-standard-border: #c7d2fe;
  --btn-standard-border-strong: #93c5fd;
  --btn-standard-text: #1e3a8a;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d0d5e8; border-radius: 2px; }

/* ── APP SHELL ── */
html, body, #app { width: 100%; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); }
body { font-size: 14px; }
#app { display: flex; flex-direction: column; }

/* ── TOP BAR ── */
#top {
  height: var(--top);
  background: #0c1020;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 14px;
  flex-shrink: 0;
  border-bottom: 1px solid #18213a;
}
.logo { display: flex; align-items: baseline; gap: 3px; }
.logo-co { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: -.5px; }
.logo-solve { font-size: 16px; font-weight: 300; color: #94a3cc; }
.logo-by { font-size: 9px; letter-spacing: 1.5px; color: #a8b8d8; margin-left: 6px; }
.top-center { flex: 1; text-align: center; font-size: 12px; color: #6b7eaa; letter-spacing: .2px; }
.sys-ready { display: flex; align-items: center; gap: 6px; }
.sys-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 8px #22c55e66; }
.sys-lbl { font-size: 11px; color: #6b7eaa; }

/* ── MAIN LAYOUT ── */
#main { flex: 1; display: flex; overflow: hidden; position: relative; }

/* ── TAB RAIL ── */
#tab-rail {
  width: 80px;
  flex-shrink: 0;
  background: #1a2540;
  border-right: 1px solid #243050;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  gap: 2px;
  z-index: 10;
}
.tab-rail-btn {
  width: 68px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px 4px;
  border-radius: 8px;
  margin: 0 6px;
  transition: background .15s;
  position: relative;
  min-height: 0;
}
.tab-rail-btn:hover { background: rgba(255,255,255,.08); }
.tab-rail-btn.active { background: rgba(255,255,255,.13); }
.tab-rail-btn.active::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 3px;
  background: #60a5fa;
  border-radius: 2px 0 0 2px;
}
.tab-rail-icon {
  color: rgba(255,255,255,.5);
  transition: color .15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tab-rail-icon svg { width: 18px; height: 18px; }
.tab-rail-btn:hover .tab-rail-icon,
.tab-rail-btn.active .tab-rail-icon { color: #ffffff; }
.tab-rail-lbl {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  transition: color .15s;
  user-select: none;
  line-height: 1;
}
.tab-rail-btn:hover .tab-rail-lbl,
.tab-rail-btn.active .tab-rail-lbl { color: rgba(255,255,255,.9); }
#tab-kpi .tab-rail-lbl { text-transform: none; }
.tab-rail-sep { width: 40px; height: 1px; background: rgba(255,255,255,.1); margin: 4px 0; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════════
   PANEL SYSTEM
   ═══════════════════════════════════════════════════════════════════ */
#lp, #kpi-panel, #center, #rp {
  transition: width var(--panel-t), flex var(--panel-t), min-width var(--panel-t);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

/* DEFAULT: board fills everything, side panels closed */
#lp        { width: 0;  background: #ffffff; border-right: 1px solid var(--border); }
#kpi-panel { width: 0;  background: var(--surface); border-right: 1px solid var(--border); }
#center    { flex: 1;   min-width: 0; flex-shrink: 1; }
#rp        { width: 0;  background: var(--surface); border-left: 1px solid var(--border); }

/* OPEN — panel slides in alongside center */
#lp.open        { width: 480px; }
#rp.open        { width: 340px; }
#kpi-panel.open { width: 320px; }

/* FULLSCREEN — panel takes over center area */
#rp.fullscreen        { flex: 1 !important; width: auto !important; min-width: 0; }
#kpi-panel.fullscreen { flex: 1 !important; width: auto !important; min-width: 0; }

/* HIDDEN — center hides when AI or KPI goes fullscreen */
#center.hidden { width: 0 !important; flex: none !important; overflow: hidden; min-width: 0; }

/* ADMIN/CASE mode visibility */
#lp.admin-mode #grp-case,
#lp.admin-mode #grp-docs { display: none; }
#lp.case-mode #grp-admin { display: none; }

/* Open group header accent */
.lp-group.open > .lp-group-header { background: var(--accent-light); }
.lp-group.open > .lp-group-header .lp-group-title { color: var(--accent); font-weight: 800; }
.lp-group.open > .lp-group-header .lp-group-title svg,
.lp-group.open > .lp-group-header .lp-group-chevron { color: var(--accent); }

/* Hide contents when panel is closed */
#lp:not(.open):not(.maximized) .lp-scroll-body { display: none; }
#rp:not(.open):not(.fullscreen) .rp-header,
#rp:not(.open):not(.fullscreen) .rp-body,
#rp:not(.open):not(.fullscreen) .rp-footer { display: none; }
#kpi-panel:not(.open):not(.fullscreen) .kpi-panel-body { display: none; }

/* ── LEFT PANEL INTERNALS ── */
.lp-scroll-body { flex: 1; overflow-y: auto; overflow-x: hidden; display: flex; flex-direction: column; }

/* LP Group card */
.lp-group {
  margin: 6px 7px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.lp-group:last-child { margin-bottom: 7px; }

/* Group header */
.lp-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  cursor: pointer;
  user-select: none;
  transition: background .12s;
}
.lp-group-header:hover { background: #f8f9fc; }
.lp-group-title {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 5px;
}
.lp-group-title svg { color: var(--text-3); }
.lp-group-right { display: flex; align-items: center; gap: 4px; }
.lp-group-chevron { transition: transform .2s; color: var(--text-3); }
.lp-group.open .lp-group-chevron { transform: rotate(90deg); }

/* Group body — slides open */
.lp-group-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height .28s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 0px solid var(--border);
}
.lp-group.open .lp-group-body { max-height: 9999px; border-top-width: 1px; }

/* LP Sub-rows */
.lp-sub-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px 2px;
}
.lp-sub-row .spacer { flex: 1; }
.lp-sub-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-2);
}

/* Icon button — override global button styles */
.btn-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: transparent;
  color: var(--text-3);
  transition: all .15s;
  padding: 0;
  min-height: 0;
  font-weight: normal;
  border-left: none;
}
.btn-icon:hover { background: var(--accent-light); color: var(--accent); transform: scale(1.15); }
.btn-icon:disabled { opacity: .4; cursor: default; transform: none; }

/* Blue round action button — for Create / Search triggers */
.btn-icon-action {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .15s; padding: 0;
  min-height: 0; font-weight: normal; border-left: none;
}
.btn-icon-action:hover { background: #1d4ed8; transform: scale(1.1); }
.btn-icon-action:disabled { opacity: .4; cursor: default; transform: none; }

/* Create case in LP */
.create-case-wrap { padding: 2px 10px 8px; display: flex; flex-direction: column; gap: 4px; }
.case-id-row { display: flex; align-items: center; gap: 5px; }
.case-id-input {
  flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px; font-size: 11px;
  font-family: 'Geist Mono', monospace; color: var(--text); outline: none;
}
.case-id-input:focus { border-color: var(--accent); background: #fff; }
.case-id-hint { font-size: 10px; color: var(--text-2); font-family: 'Geist Mono', monospace; }
.case-id-hint span {
  background: var(--accent-light); color: var(--accent);
  padding: 0 4px; border-radius: 3px; font-weight: 600;
  border: 1px solid #c7d9ff; font-size: 8px;
}

/* Evidence section */
.evidence-wrap { padding: 2px 10px 8px; }
.evidence-empty {
  font-size: 9px;
  color: var(--text-3);
  font-style: italic;
  padding: 5px 8px;
  background: var(--bg);
  border-radius: 5px;
  border: 1px dashed var(--border);
  text-align: center;
}

/* Case search in LP */
.case-search-wrap { padding: 2px 10px 8px; display: flex; flex-direction: column; gap: 6px; }
.case-id-row .lp-search { width: auto; flex: 1; }

.lp-search {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 11px;
  font-family: 'Geist', sans-serif;
  color: var(--text);
  outline: none;
}
.lp-search:focus { border-color: var(--accent); background: #fff; }

/* Case results in LP (overrides old .case-results) */
.lp-group-body .case-results {
  min-height: 60px;
  max-height: 240px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 6px;
  overflow-y: auto;
  background: #fff;
}

/* Doc list in LP */
.lp-doc-list {
  min-height: 40px !important;
  max-height: 260px !important;
  border: 1px dashed var(--border) !important;
  border-radius: 8px !important;
  padding: 6px 10px !important;
}

/* LP buttons full-width */
.lp-group-body .btn-standard {
  margin: 4px 10px 8px;
  width: calc(100% - 20px);
  display: block;
}

/* ── KPI PANEL ── */
.kpi-panel-body {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  padding: 10px;
  background: #e9ecf4;   /* panel canvas — cards sit on top of this */
}
.kpi-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,40,.06);
  overflow: hidden;
  flex-shrink: 0;
}
/* LLM section card — slightly cooler tint to distinguish at a glance */
.kpi-section-llm-bg { background: #f6f8fd; }
.kpi-section-llm-bg .kpi-sec-header-llm { background: #edf0f8; border-bottom: 1px solid #dce2f0; }
.kpi-section-llm-bg .kpi-llm-body { background: #f6f8fd; }
.kpi-sec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  cursor: pointer;
  user-select: none;
  background: #f8f9fc;
  border-bottom: 1px solid var(--border-light);
  transition: background .12s;
}
.kpi-sec-header:hover { background: #f0f2f8; }
.kpi-sec-header-llm { cursor: default; background: #edf0f8; }
.kpi-sec-header-llm:hover { background: #edf0f8; }
.kpi-sec-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-2);
}
.kpi-sec-title svg { color: var(--text-3); flex-shrink: 0; }
.kpi-sec-chevron { color: var(--text-3); transition: transform .2s; flex-shrink: 0; }
.kpi-section.collapsed .kpi-sec-chevron { transform: rotate(-90deg); }
.kpi-section.collapsed .kpi-sec-body { display: none; }

/* KPI filter row */
.kpi-filter-row { padding: 8px 14px 6px; display: flex; flex-direction: column; gap: 6px; }
.kpi-search-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 5px 9px;
}
.kpi-search-wrap:focus-within { border-color: var(--accent); background: #fff; }
.kpi-search-icon { color: var(--text-3); flex-shrink: 0; }
.kpi-search-input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  font-size: 11px;
  font-family: 'Geist', sans-serif;
  color: var(--text);
  padding: 0;
  min-height: 0;
}
.kpi-search-input::placeholder { color: var(--text-3); }

/* KPI search pill — compact pill input with fused round trigger button */
.kpi-search-pill {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #d0d5dd;
  border-radius: 999px;
  overflow: hidden;
  max-width: 220px;
  height: 32px;
}
.kpi-search-pill .kpi-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 0 0 0 12px;
  font-size: 13px;
  color: #1a1a2e;
  min-width: 0;
}
.kpi-search-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin: 2px;
  border-radius: 50%;
  background: #1a1a2e;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.kpi-search-btn:hover { background: #2d2d4e; }

.kpi-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.kpi-chip {
  padding: 3px 9px;
  font-size: 9px;
  font-weight: 600;
  font-family: 'Geist', sans-serif;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-3);
  cursor: pointer;
  transition: all .15s;
  min-height: 0;
  border-left: 1px solid var(--border);
}
.kpi-chip:hover { border-color: var(--accent); color: var(--accent); }
.kpi-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* KPI charts */
.kpi-chart-block { padding: 4px 14px 10px; }
.kpi-chart-title {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}
.kpi-chart-block canvas { width: 100% !important; max-height: 160px !important; display: block; }
.kpi-llm-body { display: flex; flex-direction: column; }

/* KPI stat strip */
.kpi-summary-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
  gap: 4px;
  padding: 2px 14px 6px;
}
.kpi-stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 7px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.kpi-stat-val { font-family: 'Geist Mono', monospace; font-size: 13px; font-weight: 700; color: var(--text); line-height: 1.1; }
.kpi-stat-lbl { font-size: 7.5px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
.kpi-stat.accent .kpi-stat-val { color: var(--accent); }
.kpi-stat.green  .kpi-stat-val { color: var(--green); }
.kpi-stat.amber  .kpi-stat-val { color: var(--amber); }

/* Stage timeline (case scope) */
#kpi-stage-timeline { padding: 4px 14px 8px; display: flex; flex-direction: column; gap: 3px; }
#kpi-stage-timeline.hidden { display: none !important; }
.stage-tl-row { display: flex; align-items: center; gap: 8px; font-size: 10px; padding: 3px 6px; border-radius: 4px; }
.stage-tl-row.completed { background: var(--bg); color: var(--text); }
.stage-tl-row.pending { background: transparent; color: var(--text-3); }
.stage-tl-key { font-family: 'Geist Mono', monospace; font-size: 9px; font-weight: 600; min-width: 32px; }
.stage-tl-days { flex: 1; font-family: 'Geist Mono', monospace; }
.stage-tl-icon { font-size: 10px; }
.stage-tl-row.completed .stage-tl-icon { color: var(--green); }

/* KPI 2-col cell grid (LLM section) */
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; padding: 0 14px 8px; }
.kpi-cell {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kpi-cell-label { font-size: 7.5px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: var(--text-3); }
.kpi-cell-val { font-family: 'Geist Mono', monospace; font-size: 12px; font-weight: 700; color: var(--text); line-height: 1; }
.kpi-cell-sub { font-size: 8px; color: var(--text-3); }
.kpi-cell-bar { height: 2px; background: var(--border); border-radius: 1px; overflow: hidden; margin-top: 3px; }
.kpi-cell-fill { height: 100%; border-radius: 1px; }
.kpi-cell-fill.blue  { background: var(--accent); }
.kpi-cell-fill.green { background: var(--green); }
.kpi-cell-fill.amber { background: var(--amber); }
.kpi-cell-fill.teal  { background: #0891b2; }

.admin-note { font-size: 8.5px; color: var(--text-3); padding: 4px 14px 8px; font-style: italic; border-top: 1px solid var(--border-light); }

/* KPI fullscreen 2-column layout */
#kpi-panel.fullscreen .kpi-panel-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  overflow-y: auto;
  gap: 10px;
  padding: 14px;
  background: #e9ecf4;
}
/* cards keep their own background in fullscreen */
#kpi-panel.fullscreen .kpi-section { border-bottom: 1px solid var(--border-light); }
#kpi-panel.fullscreen .kpi-section-divider { display: none; }
#kpi-panel.fullscreen .kpi-sec-header { cursor: default; pointer-events: none; }
#kpi-panel.fullscreen .kpi-sec-chevron { display: none; }

/* AI fullscreen layout */
#rp.fullscreen { display: flex; flex-direction: column; }
#rp.fullscreen .rp-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  padding: 20px 28px;
  align-content: start;
}
#rp.fullscreen .rp-header { padding: 12px 28px 10px; }
#rp.fullscreen .rp-footer { padding: 12px 28px; }

/* Agent status in KPI panel */
.agent-status { display: flex; align-items: center; gap: 7px; padding: 6px 14px 0; }
.agent-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: #94a3b8;
  transition: background .4s;
}
.agent-dot.active {
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(22,163,74,.4);
  animation: pulse-ring 1.6s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(22,163,74,.4); }
  70%  { box-shadow: 0 0 0 5px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
.agent-lbl { font-size: 9.5px; color: var(--text-2); }
.agent-lbl strong { font-weight: 600; }
.agent-lbl .idle { color: var(--text-3); font-style: italic; }
.agent-insight {
  margin: 6px 14px;
  background: #f0f4ff;
  border: 1px solid #d6e0ff;
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 9.5px;
  color: #3a52b0;
  line-height: 1.6;
  transition: all .3s;
}
.agent-insight.hidden { opacity: 0; max-height: 0; padding: 0 10px; margin-bottom: 0; overflow: hidden; }
.agent-insight-title { font-size: 8px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }

/* ── CENTER PANEL ── */
#center { display: flex; flex-direction: column; overflow: hidden; }
.center-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* Let center-body handle scrolling; remove inner scroll from phase-detail-panel */
.center-body .phase-detail-panel {
  max-height: none;
  overflow-y: visible;
}

/* ── RIGHT PANEL ── */
.rp-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background: var(--surface);
}
.rp-title { font-size: 13px; font-weight: 700; letter-spacing: -.2px; color: var(--text); }
.rp-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}
/* AI response area fills rp-body without double padding/border */
.rp-body .ai-response-area {
  flex: 1;
  border: none;
  border-radius: 0;
  padding: 0;
  background: transparent;
  overflow-y: visible;
  min-height: 0;
  white-space: normal;
}
.rp-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface);
}

/* Fade-in animation (used by JS-appended elements) */
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }


/* ═══════════════════════════════════════════════════════════════════
   COMPONENT STYLES — preserved from production
   ═══════════════════════════════════════════════════════════════════ */

.section {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.section-title {
  font-weight: 600;
  color: #111827;
}

.phase-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #ffffff;
}

.phase-card {
  display: none;
}

.phase-card.is-active {
  display: flex;
}

/* ══════════════════════════════════════════════════════════════════
   WORKFLOW TRACK — new d-tab design
   ══════════════════════════════════════════════════════════════════ */
#workflow {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  padding: 10px 16px 0;
}

.wf-label {
  font-size: 9px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 8px;
}

.wf-track {
  display: flex; align-items: center; gap: 0; overflow-x: auto;
}
.wf-track::-webkit-scrollbar { height: 0; }

/* The d-tab divs also carry .d-state-btn class for JS compat */
.d-tab {
  display: flex; flex-direction: column; position: relative;
  flex-shrink: 0; min-width: 90px; cursor: pointer;
  padding: 8px 14px 12px; border-bottom: 3px solid transparent;
  transition: border-color .2s, background .15s; user-select: none;
}
.d-tab:hover { background: #f8f9fc; }
.d-tab.is-active { border-bottom-color: var(--accent); background: var(--accent-light); }
.d-tab.done      { border-bottom-color: transparent; }

.d-tab-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.d-tab-id  { font-size: 8px; font-weight: 600; color: var(--text-3); letter-spacing: .4px; text-transform: uppercase; }

/* Status circle in top-right of each card (after D-label) */
.d-tab-top::after {
  content: '';
  display: block;
  width: 13px; height: 13px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid #cbd5e1;
  background: transparent;
  transition: background .2s, border-color .2s;
}
.d-tab.is-active:not(.done) .d-tab-top::after { border-color: var(--accent); background: var(--accent-light); }
/* done always wins — explicit green check circle */
.d-tab.done .d-tab-top::after,
.d-tab.is-active.done .d-tab-top::after {
  background-color: var(--green); border-color: var(--green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9.5l3.5 3.5 6.5-7.5' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-size: contain; background-repeat: no-repeat; background-position: center;
  box-shadow: 0 1px 4px rgba(22,163,74,.35);
}

.d-tab-label { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 4px; }
.d-tab.is-active .d-tab-label { color: var(--text); }

.d-status-row  { display: flex; align-items: center; gap: 5px; }
.d-dot         { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot-done      { background: var(--green); }
.dot-active    { background: var(--amber); box-shadow: 0 0 5px #d97706aa; }
.dot-pending   { background: #d1d5e0; }

/* .d-status keeps class name for JS (updateNavStatusForPhase queries it) */
.d-status {
  font-size: 9px; color: var(--text-3);
}
.d-tab.is-active .d-status { color: var(--accent); }
.d-tab.done      .d-status { color: var(--green); }

.d-duration {
  font-family: 'Geist Mono', monospace; font-size: 9px;
  color: var(--text-2); margin-top: 3px; display: flex; align-items: center; gap: 3px;
}
.d-duration svg { opacity: .6; }
.d-tab.is-active .d-duration { color: var(--accent); opacity: 1; }
.d-tab.done      .d-duration { color: var(--green); opacity: 1; }

.wf-connector {
  width: 18px; height: 2px; background: var(--border);
  flex-shrink: 0; align-self: center; margin-bottom: 12px;
}
.wf-connector.done { background: #bbf7d0; }

.wf-total {
  display: flex; flex-direction: column; justify-content: center;
  padding: 8px 14px 12px; flex-shrink: 0; align-self: stretch;
  border-left: 1px dashed var(--border); margin-left: 4px;
}
.wf-total-lbl { font-size: 8px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-3); font-weight: 600; margin-bottom: 4px; }
.wf-total-val { font-family: 'Geist Mono', monospace; font-size: 16px; font-weight: 600; color: var(--text); line-height: 1; }
.wf-total-sub { font-size: 9px; color: var(--text-3); margin-top: 2px; }

/* Closed-case dim */
#d-nav-bar.is-closed .d-tab { opacity: 0.55; }

/* Status badge colours (kept — JS sets these on .d-status) */
.status-not-started { color: var(--text-3); }
.status-in-progress { color: var(--amber); }
.status-completed   { color: var(--green); }

/* ── Closed case banner ── */
.case-closed-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 12px;
  color: #334155;
  line-height: 1.4;
  margin-bottom: 8px;
}

.case-closed-banner[hidden] { display: none; }

.phase-detail-panel {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.phase-body {
  display: flex;
  flex-direction: column;
  align-items: start;
}

/* Seamless inline guidance text (new style) */
.guidance {
  padding: 8px 18px 10px;
  font-size: 11px; color: var(--text-3); line-height: 1.65;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(to bottom, #fafbfe, var(--surface));
  font-style: italic; letter-spacing: .1px;
}
.guidance strong { font-weight: 600; color: var(--text-2); font-style: normal; }

/* Legacy guidance panel (kept for backward compat, no longer used in HTML) */
.guidance-panel {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 16px;
  max-height: 640px;
  overflow-y: auto;
}

.guidance-title {
  font-weight: 700;
  font-size: 15px;
  color: #111827;
  margin-bottom: 8px;
}

.guidance-list {
  margin: 0;
  padding-left: 18px;
  color: #374151;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  line-height: 1.5;
}

.phase-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* Problem Definition: case details left, description+team right */
.d1-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: start;
}
.d1-right-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.d1-right-col .section { flex: 1; }
.d1-right-col .section textarea { min-height: 90px; resize: vertical; }

/* ── Phase card new header — sec-head ── */
.sec-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px 10px; border-bottom: 1px solid var(--border-light);
}
.sec-head-left { display: flex; flex-direction: column; gap: 3px; }
.sec-title-row { display: flex; align-items: center; gap: 8px; }
.sec-title     { font-size: 14px; font-weight: 600; letter-spacing: -.2px; color: var(--text); }
.sec-subtitle  { font-size: 10px; color: var(--text-3); font-style: italic; }

/* Inline round confirm button */
.btn-confirm-inline {
  width: 26px; height: 26px; border-radius: 50%; cursor: pointer;
  flex-shrink: 0; min-height: 0; border: none;
  background-repeat: no-repeat; background-position: center; background-size: 65%;
  transition: all .22s cubic-bezier(.34, 1.56, .64, 1);
}
/* hide inline SVG — background-image drives the checkmark */
.btn-confirm-inline svg { display: none; }
.btn-confirm-inline.unconfirmed {
  background-color: transparent; border: 1.5px solid #c8d5e8;
}
.btn-confirm-inline.unconfirmed:hover {
  border-color: var(--green); background-color: #f0fdf4; transform: scale(1.12);
}
.btn-confirm-inline.confirmed {
  background-color: var(--green); border: 1.5px solid var(--green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l3 3 5-6' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  box-shadow: 0 2px 8px rgba(22,163,74,.35);
}
.btn-confirm-inline.confirmed:hover { background-color: #15803d; transform: scale(1.06); }

.confirm-label {
  font-size: 10px; font-weight: 500; color: var(--text-3);
  white-space: nowrap; transition: color .2s; cursor: pointer;
}
.confirm-label.confirmed-lbl { color: var(--green); }

input:disabled { background: #f3f4f6; color: #6b7280; }

input,
textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  font-family: 'Geist', system-ui, sans-serif;
}

input[type="checkbox"] { width: auto; padding: 0; }

textarea { min-height: 80px; }

button {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--btn-standard-border);
  border-left: 4px solid var(--btn-standard-border-strong);
  background: var(--btn-standard-bg);
  color: var(--btn-standard-text);
  font-weight: 600;
  min-height: 34px;
  font-family: 'Geist', system-ui, sans-serif;
  cursor: pointer;
}

button:hover {
  background: var(--btn-standard-bg-hover);
  border-color: var(--btn-standard-border);
}

.btn-standard {
  background: var(--btn-standard-bg);
  color: var(--btn-standard-text);
  border: 1px solid var(--btn-standard-border);
  border-left: 4px solid var(--btn-standard-border-strong);
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 600;
}

.btn-standard:hover {
  background: var(--btn-standard-bg-hover);
  border-color: var(--btn-standard-border);
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
  border: 1px solid #1d4ed8;
  border-left: 4px solid #1d4ed8;
}

.btn-primary:hover {
  background: #1d4ed8;
  border-color: #1e40af;
  border-left-color: #1e40af;
  color: #ffffff;
}

.content .section button,
.add-row-btn,
.push-to-talk-btn,
.ai-intents .intent-btn,
.case-details button {
  align-self: flex-start;
  width: auto;
}

/* Round add-row button (new style — btn-add-row wraps add-row-btn for JS compat) */
.add-row-wrap { display: flex; align-items: center; gap: 7px; padding: 8px 0 4px; }
.btn-add-row {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent-light); border: 1.5px solid #c7d9ff;
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .15s; flex-shrink: 0; padding: 0;
  min-height: 0; font-weight: normal; border-left-width: 1.5px;
}
.btn-add-row:hover { background: #dce9ff; transform: scale(1.1); }
.add-row-lbl { font-size: 11px; color: var(--text-3); cursor: pointer; }
.add-row-lbl:hover { color: var(--accent); }
/* Neutralise the old bulky styles on add-row-btn when inside add-row-wrap */
.add-row-wrap .add-row-btn { margin-top: 0; }
.add-row-wrap .add-row-btn:hover { background: #dce9ff; }

.action-input { min-width: 280px; }

.action-text {
  width: 100%;
  min-height: 60px;
  resize: vertical;
  overflow-y: auto;
  overflow-x: hidden;
  max-width: 100%;
  box-sizing: border-box;
}

.d7-text {
  width: 100%;
  min-height: 96px;
  resize: both;
  max-width: 100%;
  box-sizing: border-box;
}

.two-col   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px; vertical-align: top; }
.w-action  { width: 72%; }
.w-owner   { width: 15%; }
.w-date    { width: 6.5%; }
.w-comment { width: 20%; }

.fishbone { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.fish {
  background: #f1f5f9;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.fish-row { display: grid; grid-template-columns: 1fr; align-items: start; gap: 10px; }
.fish-row input { min-height: 36px; font-size: 14px; }

/* ── D5 PCA QUAD GRID ─────────────────────────────────────────── */
.pca-quad-wrapper {
  display: grid;
  grid-template-rows: auto auto;
  gap: 8px;
  padding: 8px;
  background: var(--bg, #f0f2f5);
}

.pca-quad-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.pca-quad-panel {
  background: var(--cell-bg, #f7f9fb);
  border: 1px solid var(--border, #d1d9e0);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Inputs and textareas inside panels stay white */
.pca-quad-panel input,
.pca-quad-panel textarea {
  background: #ffffff;
}

/* Table header slightly darker than panel bg */
.pca-quad-panel thead th {
  background: var(--header-bg, #eef0f3);
}

.pca-quad-panel table {
  font-size: 13px;
}

.pca-quad-panel .two-col-d5 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  flex: 1;
}

.pca-quad-panel .two-col-d5 > div {
  padding: 10px 12px;
  border-right: 1px solid var(--border-light, #eaecf0);
}

.pca-quad-panel .two-col-d5 > div:last-child {
  border-right: none;
}

@media (max-width: 900px) {
  .pca-quad-row {
    grid-template-columns: 1fr;
  }
}
/* ────────────────────────────────────────────────────────────────── */

/* Fishbone cell add-row button */
.fish-add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border, #d1d9e0);
  background: white;
  color: var(--accent, #2563eb);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  margin: 6px auto 4px;
  transition: background .15s, border-color .15s;
}
.fish-add-btn:hover {
  background: var(--accent-light, #eff6ff);
  border-color: var(--accent, #2563eb);
}

/* Fishbone key factor highlight — toggled by double-click */
.fish-row input.fish-key-factor {
  border-color: #f59e0b;
  background: #fffbeb;
  box-shadow: 0 0 0 2px #fde68a;
  font-weight: 600;
  color: #92400e;
}

/* ── Expandable textarea for table fields ─────────────────────── */
.field-textarea {
  width: 100%;
  min-height: 28px;
  padding: 4px 7px;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--border-light, #eaecf0);
  border-radius: 4px;
  resize: vertical;
  overflow: hidden;
  line-height: 1.45;
  box-sizing: border-box;
  transition: border-color .15s, background .15s;
}

.field-textarea:focus {
  outline: none;
  border-color: var(--accent, #2563eb);
  background: #fff;
  overflow: auto;
}

.field-textarea:hover:not(:focus) {
  border-color: var(--border, #d1d9e0);
}

/* Overdue date highlight */
input.date-overdue {
  color: #dc2626;
  border-color: #fca5a5;
  background: #fff5f5;
}

/* Investigation Tasks + Factor Tree panels grow with content */
.pca-quad-panel.panel-tasks,
.pca-quad-panel.panel-factors {
  height: auto;
  overflow: visible;
}

/* Row 2 panels take their own natural height */
.pca-quad-row.row-bottom {
  align-items: start;
}

.col-left, .col-middle, .col-right { width: 100%; }

.muted { color: #6b7280; }

.phase-status {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #374151;
  text-transform: capitalize;
}

.phase-card[data-status="not_started"] .phase-status { background: #e5e7eb; color: #374151; }
.phase-card[data-status="in_progress"] .phase-status { background: #dbeafe; color: #1d4ed8; }
.phase-card[data-status="completed"]   .phase-status { background: #dcfce7; color: #166534; }
.phase-card[data-status="reopened"]    .phase-status { background: #ffedd5; color: #9a3412; }

/* .confirm-phase-btn is now .btn-confirm-inline — no block-button styles needed */

#load-incident-btn {
  background: var(--btn-standard-bg);
  color: var(--btn-standard-text);
  border-color: var(--btn-standard-border);
  border-left-color: var(--btn-standard-border-strong);
}
#load-incident-btn:hover {
  background: var(--btn-standard-bg-hover);
  border-color: var(--btn-standard-border);
}

#case-id-input:focus, #case-id-input:focus-visible {
  box-shadow: 0 0 0 2px rgba(71, 85, 105, 0.2);
}

.case-id-attention {
  animation: casePulse 3.6s ease-in-out infinite;
  border-color: rgba(59, 130, 246, 0.55);
}

@keyframes casePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.18); border-color: rgba(59, 130, 246, 0.45); }
  50%       { box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.22); border-color: rgba(59, 130, 246, 0.7); }
}

.evidence-link { color: #2563eb; text-decoration: underline; cursor: pointer; font-size: 11px; font-weight: 500; }
.evidence-link:hover { text-decoration: none; }
.knowledge-cite-link { color: #1a73e8; text-decoration: underline; font-weight: 500; cursor: pointer; }
.knowledge-cite-link:hover { color: #1558b0; }

.evidence-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
}
.evidence-row:last-child { border-bottom: none; }

.evidence-download {
  background: var(--btn-standard-bg);
  color: var(--btn-standard-text);
  border: 1px solid var(--btn-standard-border);
  border-left: 4px solid var(--btn-standard-border-strong);
  padding: 4px 8px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
}
.evidence-download:hover { background: var(--btn-standard-bg-hover); }

.error { color: #b91c1c; }

/* Overdue date — due_date is past today with no actual completion */
input.date-overdue {
  border-color: #ef4444 !important;
  background: #fff5f5 !important;
  color: #b91c1c !important;
  box-shadow: 0 0 0 2px rgba(239,68,68,.15);
}

.kpi-output {
  min-height: 120px;
  resize: none;
  overflow-y: auto;
  background: #f8fafc;
  color: #374151;
}

.case-results {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 10px;
  min-height: 220px;
  max-height: 320px;
  overflow-y: auto;
  background: #ffffff;
}

.ai-intents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }

.intent-btn {
  background: var(--btn-standard-bg);
  border: 1px solid var(--btn-standard-border);
  border-left: 4px solid var(--btn-standard-border-strong);
  color: var(--btn-standard-text);
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 600;
}
.intent-btn:hover { background: var(--btn-standard-bg-hover); border-color: var(--btn-standard-border); }

.push-to-talk-btn {
  background: var(--btn-standard-bg);
  border: 1px solid var(--btn-standard-border);
  border-left: 4px solid var(--btn-standard-border-strong);
  color: var(--btn-standard-text);
  padding: 6px 12px;
  min-height: 34px;
  border-radius: 10px;
}
.push-to-talk-btn:hover { background: var(--btn-standard-bg-hover); border-color: var(--btn-standard-border); }

/* AI response area (used standalone) */
.ai-response-area {
  border: 1px solid var(--accent-border, #e2e8f0);
  border-radius: 10px;
  padding: 16px;
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  background: #f6f9ff;
  color: #111827;
  white-space: pre-wrap;
}

.ai-input-wrapper {
  position: relative;
  display: flex;
  align-items: flex-end;
}

.ai-question-input {
  width: 100%;
  border: 1px solid var(--accent-border, #e2e8f0);
  border-radius: 10px;
  padding: 10px 48px 10px 12px;
  height: 44px;
  min-height: 44px;
  max-height: 160px;
  resize: vertical;
  box-sizing: border-box;
  font-family: 'Geist', system-ui, sans-serif;
}

.ai-send-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #3b82f6;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.1s;
  animation: ai-btn-pulse 2s ease-in-out infinite;
  min-height: 0;
  border-left: none;
  padding: 0;
}
.ai-send-btn:hover { background: #2563eb; animation-play-state: paused; }
.ai-send-btn:active { transform: scale(0.92); }
.ai-send-btn svg { width: 18px; height: 18px; stroke: #ffffff; fill: #ffffff; }
.ai-send-btn svg path { fill: #ffffff; stroke: #ffffff; }
.ai-send-btn:disabled { background: #9ca3af; cursor: not-allowed; transform: none; }

.ai-input-error {
  font-size: 11px;
  color: #dc2626;
  margin-top: 4px;
  min-height: 16px;
  padding: 0 4px;
}

@keyframes ai-btn-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(30, 58, 138, 0.5); }
  70%  { box-shadow: 0 0 0 10px rgba(30, 58, 138, 0); }
  100% { box-shadow: 0 0 0 0 rgba(30, 58, 138, 0); }
}

@keyframes ai-spin { to { transform: rotate(360deg); } }
.ai-send-btn .ai-spinner { animation: ai-spin 0.8s linear infinite; }

#knowledge_upload_list { min-height: 40px; max-height: 300px; overflow-y: auto; }

.doc-section {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #ffffff;
}
.doc-section-title { font-weight: 600; color: #111827; }

.doc-list {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 10px;
  min-height: 60px;
  max-height: 300px;
  overflow-y: auto;
  background: #ffffff;
}

.doc-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #e5e7eb;
}
.doc-row:last-child { border-bottom: none; }
.doc-meta { font-size: 12px; color: #6b7280; }

.status-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #374151;
  text-transform: capitalize;
}
.status-pending { background: #ffedd5; color: #9a3412; }

/* ── Knowledge document library rows ── */
.kb-doc-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 6px 4px;
  border-bottom: 1px solid #e5e7eb;
  font-size: 13px;
}
.kb-doc-row:last-child { border-bottom: none; }
.kb-doc-row.kb-uploading { opacity: 0.6; }

.kb-doc-name {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #111827;
  min-width: 0;
}
.kb-file-icon { flex-shrink: 0; font-size: 14px; }
.kb-doc-date { font-size: 11px; color: #9ca3af; white-space: nowrap; }
.kb-doc-controls { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

.kb-status-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.kb-status-indexed  { background: #dcfce7; color: #15803d; }
.kb-status-no-text  { background: #fef3c7; color: #92400e; }

.kb-trash-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  color: #9ca3af;
  line-height: 1;
  transition: color 150ms ease, background 150ms ease;
  min-height: 0;
  border-left: none;
}
.kb-trash-btn:hover { color: #dc2626; background: #fee2e2; }

.voice-btn, .apply-btn, .run-ai-btn, .submit-ai-question-btn,
.run-kpi-btn, .run-search-btn, .run-strategy-btn {
  background: var(--btn-standard-bg);
  color: var(--btn-standard-text);
  border-color: var(--btn-standard-border);
  border-left-color: var(--btn-standard-border-strong);
}
.voice-btn:hover, .apply-btn:hover, .run-ai-btn:hover,
.submit-ai-question-btn:hover, .run-kpi-btn:hover,
.run-search-btn:hover, .run-strategy-btn:hover {
  background: var(--btn-standard-bg-hover);
  border-color: var(--btn-standard-border);
}

.ai-response {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px;
  background: #ffffff;
  min-height: 80px;
}
.ai-panel { display: grid; gap: 12px; }
.ai-section {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px;
  background: #ffffff;
}
.ai-title { font-size: 12px; color: #64748b; margin-bottom: 6px; }
.ai-block { min-height: 60px; }
.ai-recommendations { min-height: 160px; max-height: 420px; overflow-y: auto; overflow-x: hidden; }

.strategy-block {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 10px;
  background: #ffffff;
  min-height: 60px;
}

.empty-state { background: #f3f4f6; color: #6b7280; border-radius: 8px; padding: 6px 8px; }
.strategy-large { min-height: 200px; max-height: 420px; overflow-y: auto; overflow-x: hidden; }
.strategy-hint { font-size: 12px; line-height: 1.4; margin-top: -4px; }

/* ===== Case search result cards ===== */
.case-result-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.45;
}
.case-result-card:last-child { margin-bottom: 0; }

.case-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.case-id-tag { font-weight: 600; font-family: monospace; color: #1a56db; font-size: 12px; }

.case-status-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  background: #e5e7eb;
  color: #374151;
  text-transform: capitalize;
}
.case-status-badge.status-closed { background: #d1fae5; color: #065f46; }
.case-status-badge.status-open   { background: #fef3c7; color: #92400e; }

.case-result-title   { color: #374151; margin-bottom: 5px; font-size: 12px; }
.case-result-meta    { display: flex; gap: 10px; color: #6b7280; font-size: 11px; margin-bottom: 5px; flex-wrap: wrap; }
.case-result-summary { color: #6b7280; font-style: italic; font-size: 11px; margin-bottom: 7px; border-left: 3px solid #e5e7eb; padding-left: 7px; }

.open-case-btn {
  background: #1a56db;
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 5px 12px;
  font-size: 11px;
  cursor: pointer;
  transition: background 0.15s;
  min-height: 0;
  border-left: none;
}
.open-case-btn:hover { background: #1e40af; }

/* ═══════════════════════════════════════════════════════════════════
   FOCUS RINGS & FORM POLISH
   ═══════════════════════════════════════════════════════════════════ */
input:focus, input:focus-visible,
textarea:focus, textarea:focus-visible,
select:focus, select:focus-visible {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.ai-question-input:focus, .ai-question-input:focus-visible {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px #2563eb;
}

/* ── Collapsible section styles (kept for backward compat) ── */
.section-collapsible > .section-title {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-collapsible > .section-title::after {
  content: "\25BE";
  font-size: 12px;
  color: #9ca3af;
  flex-shrink: 0;
  transition: transform 200ms ease;
  margin-left: 8px;
}
.section-collapsible.is-collapsed > .section-title::after { transform: rotate(-90deg); }
.section-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  max-height: 600px;
  opacity: 1;
  transition: max-height 320ms ease, opacity 200ms ease;
}
.section-collapsible.is-collapsed .section-body { max-height: 0; opacity: 0; }

/* ── AI Welcome Screen ── */
.ai-empty-state { width: 100%; }

.ai-welcome {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 8px 16px;
}
.ai-welcome-title   { font-size: 16px; font-weight: 600; color: #1e3a8a; line-height: 1.3; }
.ai-welcome-subtitle { font-size: 12px; color: #9ca3af; font-style: italic; margin-top: -12px; }

.ai-welcome-section { display: flex; flex-direction: column; gap: 8px; }
.ai-welcome-section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #374151;
}
.ai-welcome-section-hint {
  font-size: 11px;
  color: #9ca3af;
  margin-bottom: 4px;
  font-style: italic;
  white-space: nowrap;
}
.ai-welcome-suggestions { display: flex; flex-direction: row; flex-wrap: wrap; gap: 8px; }

.ai-suggestion-chip {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px solid #c7d2fe;
  background: #f8faff;
  font-size: 12px;
  color: #1e3a8a;
  cursor: pointer;
  line-height: 1.4;
  white-space: nowrap;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
  user-select: none;
}
.ai-suggestion-chip:hover { background: #eff6ff; border-color: #93c5fd; color: #1e40af; }
.ai-suggestion-chip:active { background: #dbeafe; }

/* Post-response suggestion chips */
.ai-chip-team  { background: #f0fdf4; border-color: #86efac; color: #166534; }
.ai-chip-team:hover  { background: #dcfce7; border-color: #4ade80; color: #14532d; }
.ai-chip-cosolve { background: #eff6ff; border-color: #93c5fd; color: #1d4ed8; }
.ai-chip-cosolve:hover { background: #dbeafe; border-color: #60a5fa; color: #1e40af; }

.ai-suggestions-bar    { margin-top: 16px; padding-top: 12px; border-top: 1px solid #e5e7eb; }
.ai-suggestions-label  { font-size: 11px; font-weight: 600; color: #6b7280; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.ai-suggestions-chips  { display: flex; flex-direction: column; gap: 8px; }
.ai-suggestions-group  { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.ai-suggestions-group-label { font-size: 10px; color: #9ca3af; font-style: italic; margin-right: 4px; white-space: nowrap; }

.ai-welcome-hint {
  font-size: 11px;
  font-style: italic;
  color: #94a3b8;
  border-top: 1px solid #e2e8f0;
  padding-top: 12px;
  margin-top: 4px;
  line-height: 1.6;
}

.ai-refresh-btn {
  background: none;
  border: none;
  padding: 0;
  margin-right: 6px;
  font-size: 11px;
  font-style: italic;
  color: #94a3b8;
  cursor: pointer;
  min-height: 0;
  border-left: none;
}
.ai-refresh-btn:hover { text-decoration: underline; color: #64748b; }

/* AI conversation exchange blocks */
.ai-exchange {
  padding-bottom: 16px;
  margin-bottom: 14px;
  border-bottom: 1px solid #e2e8f0;
}
.ai-exchange:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 4px; }

.ai-question-header { display: flex; flex-direction: column; gap: 3px; margin-bottom: 10px; }
.ai-case-ref        { font-size: 11px; font-weight: 400; color: #9ca3af; letter-spacing: 0.2px; }
.ai-question-text   { font-size: 13px; font-weight: 600; color: #1e3a8a; line-height: 1.45; word-break: break-word; }
.ai-answer-body     { font-size: 13.5px; line-height: 1.6; color: #111827; }
.ai-answer-body.error {
  color: #92400e;
  background: #fffbeb;
  border-left: 3px solid #f59e0b;
  padding: 8px 12px;
  border-radius: 6px;
  font-style: italic;
}

.ai-answer-body .ai-section { margin-bottom: 20px; }
.ai-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #1e3a8a;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 2px solid #e5e7eb;
}
.ai-section-body { font-size: 13px; line-height: 1.6; color: #374151; }
.ai-section-body ul { margin: 8px 0; padding-left: 20px; }
.ai-section-body li { margin-bottom: 4px; }
.ai-section-body li p { margin: 0; }
.ai-section-body li p:last-child { margin-bottom: 0; }

ul.sub-bullet-list { margin: 2px 0 4px 16px; padding-left: 0; list-style: none; }
ul.sub-bullet-list li { margin-bottom: 1px; margin-top: 0; padding: 0; }

.ai-section-callout {
  background: #fffbeb;
  border-left: 3px solid #f59e0b;
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 12px;
  color: #78350f;
  margin-bottom: 20px;
}
.ai-section-body p { margin: 0 0 8px 0; }

/* Strategy chip */
.strategy-chip       { background: #ede9fe; color: #5b21b6; border: 1px solid #c4b5fd; }
.strategy-chip:hover { background: #ddd6fe; border-color: #a78bfa; }

/* AI Clear button */
.ai-clear-btn {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  color: #64748b;
  background: transparent;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
  line-height: 1.4;
  min-height: 0;
  border-left: 1px solid #cbd5e1;
}
.ai-clear-btn:hover  { background: #f1f5f9; color: #0f172a; border-color: #94a3b8; }
.ai-clear-btn:active { background: #e2e8f0; }

/* ═══════════════════════════════════════════════════════════════════
   KPI RENDERING COMPONENTS (production telemetry views)
   ═══════════════════════════════════════════════════════════════════ */
.kpi-table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin: 4px 0 8px; }
.kpi-table th, .kpi-table td { padding: 5px 8px; text-align: left; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
.kpi-table thead th { font-weight: 600; color: #1e3a8a; font-size: 11px; text-transform: uppercase; letter-spacing: 0.4px; border-bottom: 2px solid #e2e8f0; }
.kpi-table tbody tr:last-child td { border-bottom: none; }
.kpi-label { color: #6b7280; width: 60%; }
.kpi-value { color: #111827; font-weight: 600; text-align: right; }

.kpi-chart-container { position: relative; width: 100%; max-height: 220px; margin: 8px 0 4px; }
.kpi-chart-container canvas { max-height: 220px; }

.kpi-gauge-container { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px 0; }
.kpi-gauge-svg { display: block; }
.kpi-gauge-legend { display: flex; gap: 16px; font-size: 11px; color: #6b7280; }

/* Knowledge reference score badge */
.kb-score-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 6px;
  border-radius: 10px;
  background: #e8f0fe;
  color: #1a56db;
  font-size: 0.72em;
  font-weight: 600;
  vertical-align: middle;
}

/* Knowledge empty state */
.knowledge-empty {
  color: #64748b;
  font-style: italic;
  font-size: 0.875rem;
}

.scroll-y { overflow-y: visible; }