:root {
  --bg: #f4f5f2; --card: #ffffff; --ink: #1c2321; --muted: #6b7470; --line: #e2e5e0;
  --acc: #0f6e62; --acc-soft: #e3f1ee; --yes: #0f6e62; --no: #8a4b2a; --no-soft: #f6ebe4;
  --warn: #9a6a00; --warn-soft: #fbf3dc; --red: #b3261e; --radius: 10px;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111514; --card: #1a1f1d; --ink: #e6ebe8; --muted: #8f9a95; --line: #2b3330;
    --acc: #4fc2b0; --acc-soft: #173430; --yes: #4fc2b0; --no: #e0a27e; --no-soft: #3a2a20;
    --warn: #e6c062; --warn-soft: #3a3220; --red: #f08a82; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 "IBM Plex Sans", system-ui, sans-serif; }
a { color: var(--acc); }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.n { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--acc-soft); color: var(--acc); font-size: 12px; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); } .small { font-size: 12px; }
.hidden { display: none !important; }
.mt { margin-top: 12px; }
kbd { font-family: var(--mono); font-size: 10px; border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; color: var(--muted); }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 3px; background: var(--acc); }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { text-decoration: none; color: var(--ink); padding: 6px 10px; border-radius: 8px; }
.topbar nav a.on, .topbar nav a:hover { background: var(--acc-soft); color: var(--acc); }
.logout { color: var(--muted); text-decoration: none; }

main { max-width: 1400px; margin: 0 auto; padding: 18px; }
main.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr); gap: 18px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.sticky { position: sticky; top: 66px; }

/* forms */
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.lbl { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--acc); outline-offset: -1px; }
label.chk { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); font-size: 13px; }
label.chk input { width: auto; }
.grid { display: grid; gap: 10px; } .g6 { grid-template-columns: repeat(6, 1fr); }
.c1 { grid-column: span 1; } .c2 { grid-column: span 2; } .c3 { grid-column: span 3; } .c4 { grid-column: span 4; } .c6 { grid-column: span 6; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; } .row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 160px; }
.sub { font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }

/* buttons */
.btn { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 7px 12px; border-radius: 8px; text-decoration: none; display: inline-block; }
.btn:hover { border-color: var(--acc); }
.btn.primary { background: var(--acc); border-color: var(--acc); color: #fff; font-weight: 500; }
.btn.ghost { background: transparent; color: var(--acc); border-color: transparent; }
.btn.ghost.on { background: var(--acc-soft); }
.btn.tiny { padding: 3px 8px; font-size: 12px; }
.btn.danger { color: var(--red); }
.btn.wide { width: 100%; margin-top: 10px; padding: 10px; }
.btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.x { border: none; background: none; color: var(--muted); cursor: pointer; font-size: 16px; padding: 0 4px; }
form.inline { display: inline; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { font: inherit; border: none; background: var(--bg); color: var(--ink); padding: 7px 12px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--acc); color: #fff; }

/* symptoms */
.sym { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 12px; }
.symrow { display: flex; justify-content: space-between; align-items: center; padding: 5px 8px; border-radius: 8px; background: var(--bg); }
.symrow.red .symlbl::after { content: " ●"; color: var(--red); font-size: 9px; vertical-align: middle; }
.yn { display: flex; gap: 4px; }
.yn button { font: inherit; font-size: 12px; border: 1px solid var(--line); background: var(--card); color: var(--muted); border-radius: 6px; padding: 3px 10px; cursor: pointer; }
.yn button.on.y { background: var(--yes); border-color: var(--yes); color: #fff; }
.yn button.on.n { background: var(--no-soft); border-color: var(--no); color: var(--no); }

/* motor */
.motor { display: flex; flex-direction: column; gap: 6px; }
.mrow { display: flex; align-items: center; gap: 10px; }
.mname { width: 46px; font-weight: 500; }
.grades { display: flex; gap: 3px; flex-wrap: wrap; }
.grades button { font: 12px var(--mono); width: 34px; padding: 4px 0; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 6px; cursor: pointer; }
.grades button.on { background: var(--acc); color: #fff; border-color: var(--acc); }

/* chips & plan */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: inherit; font-size: 12.5px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); padding: 4px 10px; border-radius: 999px; cursor: pointer; }
.chip.on { background: var(--acc-soft); border-color: var(--acc); color: var(--acc); }
.planlist { display: flex; flex-direction: column; gap: 4px; }
.pitem { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-size: 13px; padding: 6px 8px; border-radius: 8px; background: var(--bg); }
.pitem input { width: auto; } .pitem span { flex: 1; } .pitem.on { background: var(--acc-soft); }
.reminders { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.rem { display: flex; justify-content: space-between; align-items: center; gap: 8px; background: var(--warn-soft); color: var(--warn); padding: 6px 10px; border-radius: 8px; font-size: 13px; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.supports { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; align-items: center; }
.sup { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--bg); color: var(--muted); }
.sup.ok { background: var(--acc-soft); color: var(--acc); }

/* note */
.note { font: 12.5px/1.5 var(--mono); min-height: 55vh; resize: vertical; white-space: pre-wrap; }
.small-note { min-height: 200px; }
.note-view { font: 12.5px/1.5 var(--mono); white-space: pre-wrap; background: var(--bg); padding: 12px; border-radius: 8px; max-height: 420px; overflow: auto; margin: 0; }
.icd { color: var(--acc); font-weight: 500; }
.resrow { border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 8px; display: flex; flex-direction: column; gap: 6px; }
.resrow select { width: auto; }
.timeline { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--acc-soft); color: var(--acc); font-family: var(--mono); }

/* tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-weight: 500; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--line); padding: 6px; }
.tbl td { border-bottom: 1px solid var(--line); padding: 8px 6px; vertical-align: top; }
.tbl tbody tr { cursor: pointer; } .tbl tbody tr:hover { background: var(--bg); }

/* home */
.hero { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 4px; }
.tile:hover { border-color: var(--acc); } .tile b { font-size: 17px; } .tile span { color: var(--muted); }

/* login */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login { width: min(360px, 92vw); display: flex; flex-direction: column; gap: 12px; }
.err { color: var(--red); margin: 0; }

#toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0; background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 8px; transition: .2s; pointer-events: none; z-index: 50; }
#toast.on { opacity: 1; transform: translateX(-50%); }

@media (max-width: 900px) {
  main.split { grid-template-columns: 1fr; }
  .sticky { position: static; }
  .sym, .checklist, .hero { grid-template-columns: 1fr; }
  .g6 { grid-template-columns: repeat(2, 1fr); }
  .c3, .c4, .c6 { grid-column: span 2; }
  .topbar { gap: 8px; padding: 8px 12px; } .topbar kbd { display: none; }
  main { padding: 12px 16px; }
}

.symrow.wide { grid-column: 1 / -1; flex-wrap: wrap; gap: 6px; }
.yn.wrap { flex-wrap: wrap; justify-content: flex-end; }
.syminp { width: 140px; padding: 4px 8px; font-size: 13px; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; z-index: 40; padding: 16px; }
.modal-card { width: min(760px, 100%); max-height: 90vh; overflow: auto; margin: 0; }
.ai-out { min-height: 120px; max-height: 55vh; margin-top: 12px; }
.ai-out:empty { display: none; }
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }
.okmsg { color: var(--acc); margin: 0 0 8px; }
.topbar .logout.on { color: var(--acc); }
.btn.ai { color: #7a4fc2; border-color: transparent; background: transparent; }
@media (prefers-color-scheme: dark) { .btn.ai { color: #b99cf0; } }

.dxlist { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.dxitem { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; background: var(--acc-soft); }
.dxitem .mono { color: var(--acc); font-weight: 500; }
.dxitem .tag { font-size: 11px; color: var(--muted); margin-left: auto; }
.symhead { grid-column: 1 / -1; font-size: 12px; font-weight: 600; color: var(--acc); margin-top: 6px; }
.assess-block + .assess-block { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }

.chips.inv .chip { font-size: 12px; max-width: 100%; text-align: left; }
.mb { margin-bottom: 10px; }
.login-form { display: flex; flex-direction: column; gap: 12px; margin: 0; }
.login-form[hidden] { display: none; }