/* Cortex — "the chart, opened". Paper-forward, chart-tab color system. */

:root {
  --paper: #FAFAF7;        /* chart paper */
  --sheet: #FFFFFF;
  --ink: #1C2B33;
  --ink-soft: #5C6C75;
  --line: #E4E1D6;         /* warm hairline */
  --blue: #2456A6;         /* records blue */
  --blue-soft: #EAF0FA;
  --marker: #FFE23F;       /* highlighter */
  --marker-soft: rgba(255, 226, 63, 0.42);
  --bad: #B23A48;

  /* chart-tab divider colors, one per document type */
  --tab-face: #2456A6;
  --tab-hp: #0E7C66;
  --tab-discharge: #C05621;
  --tab-meds: #7A3E9D;
  --tab-labs: #B08900;
  --tab-pt: #147D9E;
  --tab-wound: #B23A48;
  --tab-ins: #4A6B2A;
  --tab-other: #6B7280;

  --sans: 'Libre Franklin', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 14px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: var(--mono); }
.tiny { font-size: 11px; color: var(--ink-soft); }
button, select, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 2px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-mark { font-weight: 800; font-size: 17px; letter-spacing: 0.22em; }
.brand-sub {
  font-family: var(--mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink-soft);
}
.top-controls { display: flex; align-items: center; gap: 16px; }
.ctl { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--ink-soft); }
.health { display: inline-flex; gap: 5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.ok { background: #2E9E6B; }
.dot.bad { background: var(--bad); }

.cost { display: flex; align-items: center; gap: 8px; }
.cost-bar { width: 90px; height: 6px; border-radius: 3px; background: #ECEAE0; overflow: hidden; }
#costFill { height: 100%; width: 0; background: var(--blue); transition: width 0.4s ease; }
#costFill.warn { background: #C7A008; }
#costFill.stop { background: var(--bad); }
#costLabel { font-size: 11.5px; color: var(--ink-soft); }

select {
  background: var(--sheet); border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 8px; font-size: 12px;
}
.ghost-btn {
  background: transparent; border: 1px solid var(--line); border-radius: 6px;
  padding: 5px 12px; font-size: 12.5px; font-weight: 500; cursor: pointer; color: var(--ink);
}
.ghost-btn:hover { border-color: var(--blue); color: var(--blue); }
.ghost-btn.small { padding: 2px 9px; font-size: 11.5px; }

/* ---------- app grid ---------- */
.app {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) clamp(340px, 32vw, 520px);
  height: calc(100vh - 54px);
}
.pane-label {
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-soft);
  padding: 14px 16px 8px;
}
.pane-label.row { display: flex; align-items: center; justify-content: space-between; }

/* ---------- census ---------- */
.census {
  border-right: 1px solid var(--line); display: flex; flex-direction: column;
  min-height: 0; background: var(--paper);
}
.patient-list { padding: 0 10px; }
.patient {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: 1px solid transparent; border-left: 4px solid var(--line);
  border-radius: 0 8px 8px 0; padding: 9px 12px; margin-bottom: 6px;
}
.patient:hover { background: var(--sheet); }
.patient.active {
  background: var(--sheet); border-color: var(--line); border-left-color: var(--blue);
  box-shadow: 0 1px 3px rgba(28, 43, 51, 0.06);
}
.patient .p-name { font-weight: 600; font-size: 13.5px; }
.patient .p-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft); margin-top: 2px; }
.stamp {
  display: inline-block; font-family: var(--mono); font-size: 9px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--tab-discharge);
  border: 1px solid currentColor; border-radius: 3px; padding: 0 4px; margin-left: 6px;
  transform: rotate(-2deg);
}

.convo-list { flex: 1; overflow-y: auto; padding: 0 10px; min-height: 0; }
.convo-item {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: none; border-radius: 6px; padding: 7px 10px; margin-bottom: 2px;
}
.convo-item:hover { background: var(--sheet); }
.convo-item.active { background: var(--blue-soft); }
.convo-item .c-title {
  font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.convo-item .c-meta { font-family: var(--mono); font-size: 10px; color: var(--ink-soft); }
.convo-empty { padding: 4px 12px; font-size: 12px; color: var(--ink-soft); }
.census-foot {
  border-top: 1px solid var(--line); padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
}

/* ---------- conversation ---------- */
.convo { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.messages { flex: 1; overflow-y: auto; padding: 20px clamp(16px, 4vw, 48px); min-height: 0; }

.empty-state { max-width: 520px; margin: 12vh auto 0; text-align: center; }
.empty-state .eyebrow {
  font-family: var(--mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--ink-soft);
}
.empty-state h2 { font-weight: 700; font-size: 22px; margin: 8px 0 6px; }
.empty-state p { color: var(--ink-soft); font-size: 13.5px; }

.msg { margin-bottom: 18px; }
.msg.user { padding: 2px 0 2px 14px; border-left: 3px solid var(--blue); }
.msg.user .u-text { font-weight: 600; font-size: 14.5px; }
.msg.user .u-time { font-family: var(--mono); font-size: 10px; color: var(--ink-soft); }

.card {
  background: var(--sheet); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 1px 3px rgba(28, 43, 51, 0.05); overflow: hidden;
}
.card.na { border-left: 4px solid var(--tab-labs); }
.card-status {
  font-family: var(--mono); font-size: 11px; color: var(--ink-soft);
  padding: 10px 16px 0;
}
.answer { padding: 12px 16px; font-size: 14px; white-space: pre-wrap; overflow-wrap: break-word; }
.answer:empty { display: none; }
.answer.streaming::after {
  content: '▍'; color: var(--blue);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.cite {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 17px; padding: 0 4px; margin: 0 1px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 600; line-height: 1;
  border: 1px solid currentColor; border-radius: 4px; background: var(--sheet);
  cursor: pointer; vertical-align: 2px;
}
.cite:hover { background: var(--marker-soft); }
.cite.flash { animation: markerflash 1.1s ease-out; }
@keyframes markerflash {
  0% { background: var(--marker); box-shadow: 0 0 0 3px var(--marker-soft); }
  100% { background: var(--sheet); box-shadow: none; }
}

.card-meta {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft);
  padding: 0 16px 10px; display: flex; flex-wrap: wrap; gap: 4px 14px;
}

/* evidence strip — chart-tab cards */
.evidence { border-top: 1px dashed var(--line); padding: 10px 16px 14px; }
.evidence-label {
  font-family: var(--mono); font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-soft); margin-bottom: 8px;
}
.ev-scroll { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.ev-card {
  flex: 0 0 218px; text-align: left; cursor: pointer;
  background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--tab-other);
  border-radius: 6px; padding: 8px 10px;
}
.ev-card:hover { border-color: currentColor; }
.ev-type {
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.ev-head {
  font-size: 12px; font-weight: 600; margin: 3px 0 2px; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.ev-pages { font-family: var(--mono); font-size: 10px; color: var(--ink-soft); }
.ev-preview {
  font-family: var(--mono); font-size: 10px; line-height: 1.5; color: var(--ink-soft);
  margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.ev-score { height: 3px; border-radius: 2px; background: #ECEAE0; margin-top: 7px; overflow: hidden; }
.ev-score i { display: block; height: 100%; background: currentColor; }

.err { color: var(--bad); font-size: 13px; padding: 12px 16px; }

/* ---------- composer ---------- */
.composer { border-top: 1px solid var(--line); padding: 10px clamp(16px, 4vw, 48px) 12px; background: var(--paper); }
.samples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.samples:empty { display: none; }
.sampleChip {
  background: var(--sheet); border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 12px; font-size: 11.5px; color: var(--ink-soft); cursor: pointer;
}
.sampleChip:hover { color: var(--blue); border-color: var(--blue); }
.composer-row { display: flex; gap: 10px; align-items: stretch; }
#question {
  flex: 1; resize: none; background: var(--sheet); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 12px; font-size: 14px; line-height: 1.45;
}
#question:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px var(--blue-soft); }
.composer-side { display: flex; flex-direction: column; gap: 6px; justify-content: flex-end; }
#chatPromptSelect { font-family: var(--mono); font-size: 11px; max-width: 170px; }
#askBtn {
  background: var(--blue); color: #fff; border: none; border-radius: 8px;
  padding: 8px 22px; font-weight: 600; font-size: 13.5px; cursor: pointer;
}
#askBtn:hover { background: #1C458A; }
#askBtn:disabled { opacity: 0.45; cursor: default; }
.composer-hint { font-size: 10px; color: var(--ink-soft); margin-top: 6px; }

/* ---------- viewer ---------- */
.viewer {
  border-left: 1px solid var(--line); display: flex; flex-direction: column;
  min-height: 0; background: var(--paper);
}
.viewer-hint { font-size: 10.5px; max-width: 60%; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-wrap { flex: 1; overflow: auto; padding: 6px 14px 14px; min-height: 0; }
.page-sheet {
  position: relative; background: var(--sheet); border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(28, 43, 51, 0.07);
}
#pageImg { display: block; width: 100%; }
.overlay { position: absolute; inset: 0; pointer-events: none; }
.hl {
  position: absolute; background: var(--marker-soft);
  outline: 1px solid rgba(28, 43, 51, 0.22); border-radius: 2px;
  animation: sweep 0.55s ease-out both;
}
@keyframes sweep {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}
.hl .tag {
  position: absolute; left: -22px; top: -3px;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  background: var(--ink); color: var(--marker); border-radius: 3px; padding: 0 4px;
}
.pager {
  border-top: 1px solid var(--line); padding: 8px 16px;
  display: flex; align-items: center; justify-content: space-between;
}

/* ---------- prompt drawer ---------- */
.scrim { position: fixed; inset: 0; background: rgba(28, 43, 51, 0.3); z-index: 40; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 92vw); z-index: 50;
  background: var(--paper); border-left: 1px solid var(--line);
  box-shadow: -8px 0 30px rgba(28, 43, 51, 0.15);
  display: flex; flex-direction: column;
  animation: slidein 0.22s ease-out;
}
@keyframes slidein { from { transform: translateX(24px); opacity: 0; } }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--line); padding-right: 14px;
}
.drawer-body { flex: 1; overflow-y: auto; padding: 14px 18px; display: flex; flex-direction: column; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--ink-soft); }
.field input {
  background: var(--sheet); border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; font-size: 12.5px;
}
#promptText {
  min-height: 260px; background: var(--sheet); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; font-family: var(--mono); font-size: 12px; line-height: 1.6; resize: vertical;
}
.drawer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-actions { display: flex; align-items: center; gap: 12px; }
#savePrompt {
  background: var(--blue); color: #fff; border: none; border-radius: 7px;
  padding: 7px 16px; font-weight: 600; font-size: 12.5px; cursor: pointer;
}
.versions { display: flex; flex-direction: column; gap: 2px; }
.ver {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft);
  padding: 5px 8px; border-radius: 5px; cursor: pointer;
}
.ver:hover { background: var(--sheet); color: var(--ink); }

/* ---------- responsive & motion ---------- */
@media (max-width: 1100px) {
  .app { grid-template-columns: 240px minmax(0, 1fr); }
  .viewer { display: none; }
}
@media (max-width: 760px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .census { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.drawer[hidden], .scrim[hidden] { display: none; }

/* ---------- drawer tabs (medical vs system prompts) ---------- */
.drawer-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); }
.dtab {
  appearance: none; border: none; background: none; cursor: pointer;
  padding: 6px 14px 8px; font-weight: 600; font-size: 13px; color: var(--ink-soft);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.dtab:hover { color: var(--ink); }
.dtab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ---------- intent chip: the router's visible choice ---------- */
.intent-chip {
  display: inline-block; font-size: 10.5px; letter-spacing: 0.02em;
  padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--ink-soft); background: var(--paper); margin: 10px 16px 0;
}
.intent-chip.i-packet { color: var(--blue); border-color: var(--blue-soft); background: var(--blue-soft); }
.intent-chip.i-knowledge { color: #7A3E9D; border-color: #EFE6F6; background: #F6F0FB; }
.intent-chip.i-both { color: var(--tab-hp); border-color: #E0F0EC; background: #EDF7F4; }

/* ---------- Login with Google gate (auth.js) ---------- */
.login-gate {
  position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center;
  background: rgba(28, 43, 51, 0.55); backdrop-filter: blur(3px);
}
/* auth.js toggles the gate with the `hidden` attribute. The display:flex above outranks the browser's
 * own [hidden]{display:none}, so without this rule the gate stays painted over the signed-in page. */
.login-gate[hidden] { display: none; }
.login-card {
  background: var(--sheet); border: 1px solid var(--line); border-radius: 10px; padding: 32px 36px;
  width: min(360px, 90vw); text-align: center; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.login-card p { color: var(--ink-soft); font-size: 13px; margin: 10px 0 18px; }
.login-btn {
  background: var(--blue); color: #fff; border: 0; border-radius: 6px; padding: 10px 18px;
  font-size: 14px; font-weight: 600; cursor: pointer; width: 100%;
}
.login-btn:hover { filter: brightness(1.08); }
.login-msg { min-height: 1.2em; color: var(--bad); font-size: 12px; margin-top: 12px; }
.whoami { color: var(--ink-soft); font-size: 11.5px; }
.whoami:empty, .whoami:empty + #logoutBtn { display: none; }