:root {
  --bg: #f4f6f8; --fg: #1c2530; --muted: #5b6773;
  --card-bg: #ffffff; --border: #e2e7ec; --border-strong: #c9d2da;
  --hover: #f6f8fa;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .07);
  --shadow-lg: 0 4px 12px rgba(15, 23, 42, .08), 0 1px 3px rgba(15, 23, 42, .06);
  --accent: #33608c; --accent-hover: #2a4f74; --ring: rgba(51, 96, 140, .22);
  --red: #a33a2e; --red-bg: #fbeeec;
  --blue: #2d5f8a; --blue-bg: #edf3f9;
  --green: #2e7d4f; --green-bg: #edf6f0;
  --purple: #6d4a9e; --purple-bg: #f4effa;
  --sev-hi: #b3392b; --sev-hi-bg: #fdf0ee;
  --sev-mod: #8f6400; --sev-lo: #7a8591;
  --warn: #8a6116; --warn-bg: #fdf6e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161b; --fg: #e6eaef; --muted: #98a4b0;
    --card-bg: #1a2027; --border: #2c343d; --border-strong: #3b454f;
    --hover: #20262e;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-lg: 0 4px 14px rgba(0, 0, 0, .4);
    --accent: #5c8fbf; --accent-hover: #6f9fcb; --ring: rgba(92, 143, 191, .3);
    --red: #e2867a; --red-bg: #33201c;
    --blue: #85b4e0; --blue-bg: #1b2b3c;
    --green: #7cc99c; --green-bg: #1a2f22;
    --purple: #b795e3; --purple-bg: #2a2138;
    --sev-hi: #e2867a; --sev-hi-bg: #3a201b;
    --sev-mod: #d4a94f; --sev-lo: #7f8a96;
    --warn: #d4a94f; --warn-bg: #322a17;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 1rem 1.25rem 1.5rem;
  background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
header h1 { margin: 0 0 .2rem; font-size: 1.3rem; font-weight: 650; letter-spacing: -.01em; }
.tagline { margin: 0; font-size: .9rem; color: var(--muted); }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  flex-wrap: wrap; padding-bottom: .75rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
main { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.2fr); gap: 1.75rem; }
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }
label, .pane-label { font-weight: 600; font-size: .85rem; display: block; margin-bottom: .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
textarea {
  width: 100%; min-height: max(20rem, calc(100vh - 19rem)); resize: vertical; padding: .9rem 1rem;
  border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow);
  background: var(--card-bg); color: var(--fg); font: 13.5px/1.55 ui-monospace, "SF Mono", Menlo, monospace;
  transition: border-color .15s, box-shadow .15s;
}
textarea:focus, input:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring);
}
.controls { display: flex; gap: .6rem; align-items: center; margin-top: .9rem; flex-wrap: wrap; }
select, button {
  font: inherit; font-size: .9rem; padding: .5rem .9rem; border-radius: 8px;
  border: 1px solid var(--border-strong); background: var(--card-bg); color: var(--fg);
}
button {
  cursor: pointer; font-weight: 600;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
}
button:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); }
#parse, button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
#parse:hover, button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
#parse[disabled] { opacity: .6; cursor: wait; }
.secondary { color: var(--muted); }
.secondary:hover { background: var(--hover); color: var(--fg); }
button.danger { background: transparent; border-color: var(--sev-hi); color: var(--sev-hi); }
button.danger:hover { background: var(--sev-hi); color: #fff; }
.error {
  margin-top: .75rem; padding: .6rem .9rem; border-radius: 8px; font-size: .9rem;
  background: var(--red-bg); color: var(--red); border: 1px solid var(--red);
}
.phi-warning {
  margin-top: .75rem; padding: .8rem 1rem; border-radius: 10px;
  background: var(--warn-bg); border: 1px solid var(--warn); box-shadow: var(--shadow);
}
.phi-warning p { margin: 0 0 .5rem; }
.phi-warning strong { color: var(--warn); }
.phi-warning ul { margin: 0 0 .75rem; padding-left: 1.2rem; }
.phi-warning li { margin: .15rem 0; font-size: .9rem; }
.phi-warning code { background: var(--card-bg); padding: .05rem .3rem; border-radius: 4px; }
.phi-actions { display: flex; gap: .6rem; }
.no-providers { color: var(--red); }
.price-note { margin: .6rem 0 0; font-size: .8rem; color: var(--muted); }
select { max-width: 100%; }
.output-pane { display: flex; flex-direction: column; gap: 1rem; }
.output-pane[hidden] { display: none; }
.output-placeholder {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: max(20rem, calc(100vh - 19rem)); padding: 2rem;
  border: 1.5px dashed var(--border-strong); border-radius: 12px; color: var(--muted);
}
.output-placeholder[hidden] { display: none; }
.output-placeholder .ph-title { margin: 0 0 .4rem; font-weight: 650; font-size: 1rem; }
.output-placeholder .ph-hint { margin: 0 auto; max-width: 26rem; font-size: .9rem; }
.card {
  border-radius: 12px; padding: 1.1rem 1.35rem;
  border: 1px solid var(--border); background: var(--card-bg); box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 .7rem; font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
}
.card ul { margin: 0; padding-left: 1.2rem; }
.card li { margin: .3rem 0; }
/* Triage rows: severity carries the color inside a neutral card */
.card.graded ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.card.graded li { margin: 0; padding: .45rem .7rem; border-radius: 6px; border-left: 3px solid transparent; }
.card.graded li.sev-high { background: var(--sev-hi-bg); border-left-color: var(--sev-hi); font-weight: 650; }
.card.graded li.sev-moderate { background: var(--hover); border-left-color: var(--sev-mod); }
.card.graded li.sev-low { color: var(--sev-lo); }
.card.graded li.empty { margin: 0; padding: .2rem 0; }
.narrative { margin: 0; line-height: 1.7; }
.narrative.empty { color: var(--muted); font-style: italic; }
.legend { margin: 0; font-size: .78rem; color: var(--muted); }
.swatch { display: inline-block; width: .9em; height: .9em; border-radius: 3px; vertical-align: -.1em; }
.swatch.hi { background: var(--sev-hi-bg); border-left: 3px solid var(--sev-hi); }
.swatch.mod { background: var(--hover); border: 1px solid var(--border); border-left: 3px solid var(--sev-mod); }
.card li.empty { list-style: none; margin-left: -1.2rem; color: var(--muted); font-style: italic; }
/* Section accents: a colored edge + heading, on an otherwise neutral card */
.positives { border-left: 3px solid var(--red); }
.positives h2 { color: var(--red); }
.impression { border-left: 3px solid var(--blue); }
.impression h2 { color: var(--blue); }
.recommendations { border-left: 3px solid var(--green); }
.recommendations h2 { color: var(--green); }
.measurements { border-left: 3px solid var(--purple); }
.measurements h2 { color: var(--purple); }
/* auth + admin */
.userbar { display: flex; align-items: center; gap: .8rem; font-size: .85rem; }
.userbar span { color: var(--muted); }
.userbar form { margin: 0; }
/* mode toggle: a button-shaped link whose color signals the destination */
.nav-btn {
  display: inline-block; padding: .45rem .85rem; border-radius: 8px; font-size: .9rem;
  font-weight: 600; text-decoration: none; border: 1px solid;
  transition: background .15s, color .15s;
}
.nav-btn.to-admin { color: var(--purple); border-color: var(--purple); }
.nav-btn.to-admin:hover { background: var(--purple-bg); }
.nav-btn.to-parser { color: var(--blue); border-color: var(--blue); }
.nav-btn.to-parser:hover { background: var(--blue-bg); }
input:not([type="checkbox"]) {
  font: inherit; font-size: .9rem; padding: .5rem .8rem; border-radius: 8px;
  border: 1px solid var(--border-strong); background: var(--card-bg); color: var(--fg);
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: var(--muted); opacity: .7; }
.auth-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; max-width: none; }
.auth-card { display: block; width: min(24rem, 100%); padding: 2rem; box-shadow: var(--shadow-lg); }
.auth-card h1 { margin: 0 0 .25rem; font-size: 1.15rem; font-weight: 650; letter-spacing: -.01em; }
.auth-card .tagline { margin-bottom: 1.25rem; }
.auth-card form { display: flex; flex-direction: column; gap: .35rem; }
.auth-card label { text-transform: none; letter-spacing: 0; font-size: .85rem; color: var(--fg); }
.auth-card input { margin-bottom: .75rem; }
.auth-card button { margin-top: .4rem; padding: .6rem; }
.auth-card .error { margin: 0 0 .9rem; }
.admin-main { display: flex; flex-direction: column; gap: 1.5rem; max-width: 60rem; margin: 0 auto; width: 100%; }
.admin-main .card { padding: 1.35rem 1.5rem; }
.admin-main h2 { font-size: .85rem; }
.admin-main h3 { margin: 1.25rem 0 .6rem; font-size: .95rem; font-weight: 650; }
.admin-table { border-collapse: collapse; width: 100%; }
.admin-table th, .admin-table td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--border); }
.admin-table th { font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.admin-table tbody tr:hover { background: var(--hover); }
.admin-table code { font-size: .85rem; }
form.inline { display: inline-flex; gap: .4rem; margin: 0; align-items: center; }
.actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.admin-table input { padding: .35rem .6rem; max-width: 11rem; }
.admin-table select, .admin-table button { padding: .35rem .6rem; font-size: .85rem; }
button[disabled] { opacity: .4; cursor: not-allowed; }
.add-user { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .25rem; }
.flash { padding: .6rem .9rem; border-radius: 8px; font-size: .9rem; }
.flash-ok { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }
@media print {
  .input-pane, header .tagline, .userbar { display: none; }
  main { grid-template-columns: 1fr; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; }
}