:root {
  --bg: #f6f7f9; --panel: #ffffff; --line: #e3e6ea; --line2: #eef0f3;
  --text: #1d2330; --muted: #677083; --faint: #98a0ae;
  --accent: #2f5bd3; --accent-bg: #eaf0ff;
  --ok: #1d7a46; --ok-bg: #e5f5ec; --warn: #9a6400; --warn-bg: #fdf3dd;
  --err: #b42318; --err-bg: #fdeceb; --info-bg: #eef1f6;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.5 -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
       background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
h2 { font-size: 16px; } h3 { font-size: 14px; } h4 { font-size: 13px; color: var(--muted); }
a { color: var(--accent); }

/* ------------------------------------------------ header / tabs */
header { display: flex; align-items: center; gap: 16px; padding: 0 20px; height: 52px;
         background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header .brand { font-weight: 700; letter-spacing: -0.2px; }
header .brand small { font-weight: 400; color: var(--muted); margin-left: 6px; }
nav.tabs { display: flex; gap: 2px; margin-left: 12px; }
nav.tabs button { border: 0; background: none; padding: 14px 12px; cursor: pointer; color: var(--muted);
                  border-bottom: 2px solid transparent; }
nav.tabs button.on { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
nav.tabs button:disabled { color: var(--faint); cursor: default; }
nav.tabs button small { font-size: 11px; margin-left: 3px; }
.status { margin-left: auto; display: flex; gap: 6px; }

main { padding: 16px 20px 40px; }
.layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } nav.tabs { overflow-x: auto; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.panel > .hd { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line2); }
.panel > .hd .sp { flex: 1; }
.panel > .bd { padding: 14px; }
.stack > * + * { margin-top: 16px; }
.muted { color: var(--muted); } .faint { color: var(--faint); } .mono { font-family: var(--mono); font-size: 12.5px; }
.small { font-size: 12.5px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row .sp { flex: 1; }
.empty { padding: 28px 14px; text-align: center; color: var(--muted); }

/* ------------------------------------------------ controls */
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
.btn:hover { border-color: #c9ced6; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { color: var(--err); }
.btn.sm { padding: 3px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }
input[type=text], input[type=search], select, textarea {
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; background: #fff; }
textarea { width: 100%; min-height: 60px; resize: vertical; }
label.field { display: block; } label.field > span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 3px; }
label.field input[type=text] { width: 100%; }
.drop { border: 1.5px dashed #c7cdd6; border-radius: var(--radius); padding: 22px; text-align: center; color: var(--muted);
        cursor: pointer; background: #fbfcfd; }
.drop.over { border-color: var(--accent); background: var(--accent-bg); }

/* ------------------------------------------------ badges / chips */
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
         background: var(--info-bg); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.err { background: var(--err-bg); color: var(--err); }
.badge.accent { background: var(--accent-bg); color: var(--accent); }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; padding: 3px 10px;
        border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); }
.chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.chip.ok i { background: #2fa565; } .chip.err i { background: #d64535; }

/* ------------------------------------------------ list items */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 10px 14px; border-bottom: 1px solid var(--line2); cursor: pointer; }
.list li:last-child { border-bottom: 0; }
.list li:hover { background: #fafbfc; }
.list li.on { background: var(--accent-bg); }
.list li .t { font-weight: 600; display: flex; gap: 6px; align-items: center; }
.list li .m { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ------------------------------------------------ stats */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.kpi { border: 1px solid var(--line2); border-radius: var(--radius); padding: 10px 12px; }
.kpi .l { font-size: 12px; color: var(--muted); }
.kpi .v { font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi .s { font-size: 12px; color: var(--faint); }
.bars { display: grid; grid-template-columns: max-content 1fr max-content; gap: 5px 10px; align-items: center; font-size: 12.5px; }
.bars .bar { height: 10px; border-radius: 3px; background: var(--accent); opacity: .75; min-width: 2px; }
.bars .n { font-variant-numeric: tabular-nums; color: var(--muted); text-align: right; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

/* ------------------------------------------------ tables */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line2); vertical-align: top; }
.tbl th { font-size: 12px; color: var(--muted); font-weight: 600; background: #fafbfc; position: sticky; top: 0; }
.tbl tr.click { cursor: pointer; } .tbl tr.click:hover td { background: #fafbfc; }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl td.wrap { white-space: pre-wrap; word-break: break-word; }

/* ------------------------------------------------ sub tabs */
.subtabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line2); padding: 0 10px; overflow-x: auto; }
.subtabs button { border: 0; background: none; padding: 10px 10px; cursor: pointer; color: var(--muted);
                  border-bottom: 2px solid transparent; white-space: nowrap; }
.subtabs button.on { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

/* ------------------------------------------------ reports */
.rec { border: 1px solid var(--line2); border-radius: var(--radius); }
.rec + .rec { margin-top: 10px; }
.rec .rh { display: flex; gap: 10px; align-items: center; padding: 8px 12px; background: #fafbfc;
           border-bottom: 1px solid var(--line2); font-size: 12.5px; flex-wrap: wrap; }
.rec .rh b { font-size: 13px; }
.rec pre { margin: 0; padding: 10px 12px; white-space: pre-wrap; word-break: break-word; font-family: var(--mono);
           font-size: 12.5px; line-height: 1.55; max-height: 420px; overflow: auto; }
mark { background: #ffe58a; padding: 0 1px; border-radius: 2px; }
pre.code { margin: 0; padding: 12px; background: #f7f8fa; border: 1px solid var(--line2); border-radius: 6px;
           font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; word-break: break-word; max-height: 560px; overflow: auto; }

.note { padding: 10px 12px; border-radius: 6px; background: var(--info-bg); font-size: 13px; }
.note.warn { background: var(--warn-bg); color: #6e4700; }
.note.err { background: var(--err-bg); color: var(--err); }
.note.ok { background: var(--ok-bg); color: var(--ok); }
.note ul { margin: 4px 0 0; padding-left: 18px; }

.diff-a { background: #fdeceb; text-decoration: line-through; text-decoration-color: #d9a3a0; }
.diff-b { background: #e5f5ec; }

.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 10px 14px; font-size: 12.5px; color: var(--muted); }

#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #1d2330; color: #fff;
         padding: 9px 16px; border-radius: 8px; font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 20; max-width: 90vw; }
#toast.show { opacity: 1; } #toast.err { background: var(--err); }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--accent);
        border-radius: 50%; animation: sp 0.8s linear infinite; vertical-align: -2px; }
@keyframes sp { to { transform: rotate(360deg); } }
details > summary { cursor: pointer; color: var(--muted); font-size: 12.5px; }

/* ------------------------------------------------ 2단계: 차트·진행·결과 */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.chart { border: 1px solid var(--line2); border-radius: var(--radius); padding: 8px 10px 4px; position: relative; }
.ch-hd { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.ch-hd b { color: var(--text); font-weight: 650; font-variant-numeric: tabular-nums; }
.ch-wrap { position: relative; }
.chart svg { width: 100%; height: 110px; display: block; overflow: visible; }
.ch-grid { stroke: var(--line2); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ch-ax { font-size: 9.5px; fill: var(--faint); }
.ch-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.ch-area { fill: var(--accent); opacity: .1; }
.ch-dot { fill: var(--accent); stroke: var(--panel); stroke-width: 2; }
.ch-cross { stroke: var(--muted); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ch-tip { position: absolute; top: 0; background: #1d2330; color: #fff; font-size: 11.5px; padding: 2px 7px; border-radius: 4px; white-space: nowrap; pointer-events: none; }
.ch-empty { height: 110px; display: flex; align-items: center; justify-content: center; color: var(--faint); font-size: 12.5px; }

.meter { height: 10px; border-radius: 5px; background: var(--accent-bg); overflow: hidden; }
.meter > div { height: 100%; background: var(--accent); border-radius: 5px; transition: width .6s; }
.meter.err > div { background: var(--err); }

.logbox { font-family: var(--mono); font-size: 12px; line-height: 1.5; max-height: 340px; overflow: auto; background: #fafbfc;
          border: 1px solid var(--line2); border-radius: 6px; padding: 6px 8px; }
.logbox div { white-space: pre-wrap; word-break: break-word; }
.logbox .t { color: var(--faint); margin-right: 6px; }
.logbox .warn { color: var(--warn); } .logbox .error { color: var(--err); } .logbox .debug { color: var(--faint); }

.st-yes { background: var(--ok-bg); color: var(--ok); }
.st-no { background: var(--info-bg); color: var(--muted); }
.st-unk { background: var(--err-bg); color: var(--err); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 3px 11px; cursor: pointer; font-size: 12.5px; }
.chips button.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.recard { border: 1px solid var(--line2); border-radius: var(--radius); }
.recard + .recard { margin-top: 10px; }
.recard.rep { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.recard .rh { display: flex; gap: 10px; align-items: center; padding: 8px 12px; background: #fafbfc; cursor: pointer;
              border-radius: var(--radius); flex-wrap: wrap; font-size: 12.5px; }
.recard .rb { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 12px; padding: 12px; border-top: 1px solid var(--line2); }
@media (max-width: 1100px) { .recard .rb { grid-template-columns: 1fr; } }
.recard pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 12px; line-height: 1.55;
              max-height: 620px; overflow: auto; background: #fafbfc; border: 1px solid var(--line2); border-radius: 6px; padding: 8px 10px; }
.recard mark { background: #fff1b8; } .recard mark.hot { background: #ffc53d; }
.items td { font-size: 12.5px; }
.items tr:hover td { background: #f4f7ff; }
.v { font-weight: 650; }
.evok { color: var(--ok); } .evno { color: var(--err); }
.decision { display: flex; gap: 14px; flex-wrap: wrap; align-items: baseline; }
.decision .tnm { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.sumgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
.sumgrid .sec { border: 1px solid var(--line2); border-radius: var(--radius); padding: 10px 12px; }
.sumgrid .sec h4 { margin-bottom: 6px; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 3px 10px; font-size: 12.5px; }
.kv span:nth-child(odd) { color: var(--muted); } .kv span:nth-child(even) { text-align: right; font-variant-numeric: tabular-nums; }
.itemdist { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.itemdist .box { border: 1px solid var(--line2); border-radius: var(--radius); padding: 8px 10px; }
.itemdist h4 { margin-bottom: 6px; color: var(--text); font-size: 12.5px; }
[hidden] { display: none !important; }

/* ------------------------------------------------ 전문의 검증: 왼쪽 환자 목록 고정 */
.rv-layout { grid-template-columns: 300px minmax(0, 1fr); }
.rv-side { position: sticky; top: 64px; max-height: calc(100vh - 80px); display: flex; flex-direction: column; }
.rv-side .rv-filters { display: flex; flex-direction: column; gap: 8px; border-bottom: 1px solid var(--line2); padding: 10px; }
.rv-side .chips button { padding: 2px 9px; font-size: 12px; }
.rv-side .rv-scroll { overflow: auto; flex: 1; min-height: 120px; }
.rv-side .pager { border-top: 1px solid var(--line2); padding: 8px 10px; font-size: 12px; }
.rv-list li { padding: 8px 12px; }
.rv-list li .t { font-size: 12.5px; }
.rv-list li .m { font-size: 11.5px; }
.rv-list li .badge { font-size: 11px; padding: 0 6px; }
@media (max-width: 900px) { .rv-side { position: static; max-height: 420px; } }
.rv-dhd { position: sticky; top: 52px; z-index: 3; background: var(--panel); border-radius: var(--radius) var(--radius) 0 0; flex-wrap: wrap; }
#rv-recs .items td { padding: 4px 8px; vertical-align: middle; }
#rv-recs .items select, #rv-recs .items input[type=text] { padding: 3px 6px; }

/* 전문의 검증 표: AI(모델) 칸과 전문의 칸 색 구분, 항목 묶음(초진·T·위치크기·N·M) */
.rvt th.ai-h { background: #eaf1fb; color: #1f4e8c; }
.rvt th.sp-h { background: #fff4de; color: #8a5a00; }
.rvt td.ai-cell { background: #f5f8fd; }
.rvt td.sp-cell { background: #fffaf0; }
.rvt td.sp-cell.chg { background: #dff3e6; box-shadow: inset 3px 0 0 #2fa565; }
.rvt .aiv { font-weight: 650; }
.rvt .aiev { font-size: 11.5px; color: #3d4b5c; font-style: italic; margin-top: 2px; word-break: break-word; }
.rvt .aiwhy { font-size: 11.5px; color: var(--muted); margin-top: 1px; word-break: break-word; }
.rvt tr.grp td { padding: 5px 8px; font-size: 12px; font-weight: 650; border-top: 2px solid var(--line); }
.rvt tr.grp .gfin { float: right; font-weight: 400; }
.rvt tr.g-init td.gk, .rvt tr.grp.g-init td { box-shadow: inset 4px 0 0 #7b61ff; }
.rvt tr.g-t td.gk, .rvt tr.grp.g-t td { box-shadow: inset 4px 0 0 #2f80ed; }
.rvt tr.g-loc td.gk, .rvt tr.grp.g-loc td { box-shadow: inset 4px 0 0 #9aa4b2; }
.rvt tr.g-n td.gk, .rvt tr.grp.g-n td { box-shadow: inset 4px 0 0 #27ae60; }
.rvt tr.g-m td.gk, .rvt tr.grp.g-m td { box-shadow: inset 4px 0 0 #e67e22; }
.rvt tr.grp.g-init td { background: #f1eeff; } .rvt tr.grp.g-t td { background: #e8f1fd; }
.rvt tr.grp.g-loc td { background: #f1f3f6; } .rvt tr.grp.g-n td { background: #e6f6ec; } .rvt tr.grp.g-m td { background: #fdf0e3; }

/* ------------------------------------------------ 오류 분석 */
.tbl tr.sel td { background: var(--accent-bg); }
.ex-card { border-left: 3px solid var(--line); padding: 6px 10px; margin-top: 8px; background: #fbfbfc; border-radius: 0 6px 6px 0; }
.ex-card.click { cursor: pointer; } .ex-card.click:hover { border-left-color: var(--accent); }
#view-errors .panel .panel > .hd { padding: 8px 12px; }
#view-errors .panel .panel > .bd { padding: 8px 12px; }

/* ------------------------------------------------ 검증 프로젝트 · 정답 버튼 */
.pj-form { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px 16px; align-items: start; }
.pj-form > label { padding-top: 6px; color: var(--muted); font-size: 13px; }
@media (max-width: 700px) { .pj-form { grid-template-columns: 1fr; } .pj-form select, .pj-form input { min-width: 0 !important; width: 100% !important; } }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--panel); padding: 6px 16px; cursor: pointer; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--accent); color: #fff; font-weight: 600; }
.ans { display: inline-flex; flex-wrap: wrap; gap: 3px; }
.ab { position: relative; border: 1px solid #d5dae1; background: #fff; border-radius: 5px; padding: 2px 8px; min-width: 30px;
      font-size: 12px; line-height: 1.5; cursor: pointer; color: var(--text); }
.ab:hover { border-color: var(--accent); }
.ab.on { background: #8a5a00; border-color: #8a5a00; color: #fff; font-weight: 650; }
.sp-cell.chg .ab.on { background: #1d7a46; border-color: #1d7a46; }
.ab.ai::after { content: ""; position: absolute; top: 2px; right: 2px; width: 5px; height: 5px; border-radius: 50%; background: #2f80ed; }
.ab.on.ai::after { background: #fff; }
.ans-txt { display: flex; gap: 4px; align-items: center; }
.ans-txt input { flex: 1; min-width: 60px; }
.rh .ans .ab { padding: 1px 9px; }