:root {
  --ink: #12302f; --ink-soft: #4a5f5d; --paper: #f5f6f1; --card: #ffffff; --line: #d9ded6;
  --teal: #0f6b66; --teal-soft: #e3f1ef; --amber: #a35b00; --amber-soft: #fff1dc;
  --red: #b42318; --red-soft: #fdecea; --green: #1f7a3a; --green-soft: #e6f4ea;
  --radius: 10px; --mono: ui-monospace, "SFMono-Regular", Consolas, "D2Coding", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; font-size: 16px;
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
header.top { background: var(--ink); color: #fff; }
header.top .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding-top: 14px; padding-bottom: 14px; }
header.top h1 { font-size: 1.05rem; margin: 0; letter-spacing: -0.01em; }
header.top h1 small { display: block; font-weight: 400; font-size: .78rem; opacity: .75; }
nav { display: flex; flex-wrap: wrap; gap: 4px; }
nav a { color: #d6e7e5; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: .92rem; }
nav a[aria-current="page"], nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
main.wrap { padding-top: 20px; padding-bottom: 60px; }
h2 { font-size: 1.25rem; margin: 28px 0 10px; }
h3 { font-size: 1.02rem; margin: 18px 0 8px; }
p { margin: 6px 0; }
.muted { color: var(--ink-soft); font-size: .9rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 12px 0; }
.banner { background: var(--amber-soft); border: 1px solid #f0c98a; color: #5c3300; border-radius: var(--radius); padding: 10px 14px; font-size: .92rem; }
.banner strong { color: var(--amber); }
.grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.two { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }
button, .btn {
  font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--teal); background: var(--teal); color: #fff;
  padding: 8px 14px; min-height: 40px;
}
button.ghost { background: #fff; color: var(--teal); }
button.danger { background: #fff; color: var(--red); border-color: var(--red); }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, a:focus-visible, textarea:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid #f2b347; outline-offset: 2px; }
.scn { text-align: left; background: #fff; color: var(--ink); border: 1px solid var(--line); padding: 12px; min-height: 92px; }
.scn b { display: block; font-size: 1.15rem; color: var(--teal); }
.scn[aria-pressed="true"] { border: 2px solid var(--teal); background: var(--teal-soft); }
.tag { display: inline-block; font-size: .75rem; padding: 1px 8px; border-radius: 999px; background: var(--teal-soft); color: var(--teal); margin: 2px 4px 2px 0; }
.tag.virtual { background: var(--amber-soft); color: var(--amber); }
.tag.bad { background: var(--red-soft); color: var(--red); }
.tag.good { background: var(--green-soft); color: var(--green); }
.order { font-family: var(--mono); background: #10302f; color: #e9f5f3; padding: 10px 12px; border-radius: 8px; overflow-wrap: anywhere; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 8px 0; }
dl.kv dt { color: var(--ink-soft); font-size: .88rem; }
dl.kv dd { margin: 0; }
textarea, input[type=text], input[type=number], select {
  font: inherit; width: 100%; padding: 8px 10px; border: 1px solid #b9c2b8; border-radius: 8px; background: #fff; color: var(--ink);
}
textarea { min-height: 120px; resize: vertical; }
label.inline { display: inline-flex; align-items: center; gap: 6px; margin-right: 14px; font-size: .92rem; }
label.inline input { width: auto; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }
.prompt { border-left: 4px solid var(--teal); background: var(--teal-soft); padding: 10px 12px; border-radius: 0 8px 8px 0; }
.timer { font-family: var(--mono); font-size: .9rem; color: var(--ink-soft); }
.score-big { font-size: 2.6rem; font-weight: 700; line-height: 1; color: var(--teal); }
.score-big small { font-size: 1rem; color: var(--ink-soft); font-weight: 400; }
.bar { height: 10px; background: #e7ebe4; border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--teal); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; background: #fff; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; }
th { background: #eef1ec; font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.chat { display: flex; flex-direction: column; gap: 8px; max-height: 420px; overflow-y: auto; padding: 4px; }
.msg { max-width: 85%; padding: 8px 12px; border-radius: 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.patient { background: #fff; border: 1px solid var(--line); align-self: flex-start; }
.msg.nurse { background: var(--teal); color: #fff; align-self: flex-end; }
.msg.error { background: var(--red-soft); color: var(--red); border: 1px solid #f3b7b0; align-self: stretch; max-width: 100%; }
.msg .meta { display: block; font-size: .75rem; opacity: .75; margin-top: 4px; font-family: var(--mono); }
.err { color: var(--red); }
.ai-box { border: 1px dashed var(--teal); background: #fbfefd; padding: 10px 12px; border-radius: 8px; white-space: pre-wrap; }
pre.code { font-family: var(--mono); background: #10302f; color: #e9f5f3; padding: 10px; border-radius: 8px; overflow-x: auto; font-size: .8rem; }
.stat-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.stat b { display: block; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.stat span { font-size: .8rem; color: var(--ink-soft); }
footer { font-size: .8rem; color: var(--ink-soft); padding: 20px 16px 40px; text-align: center; }
.hidden { display: none !important; }
audio { width: 100%; max-width: 420px; }
label { display: block; margin-top: 8px; font-size: .9rem; }