:root {
  --paper: #f3f6f5;
  --surface: #ffffff;
  --ink: #14302a;
  --ink-2: #4a5f59;
  --ink-3: #7b8c87;
  --line: #d4ddda;
  --line-2: #e7eeeb;
  --ok: #157a58;
  --ok-bg: #e3f3ec;
  --late: #a96300;
  --late-bg: #fbf0dc;
  --fail: #b42318;
  --fail-bg: #fdecea;
  --focus: #1f5fd6;
  --side: #14302a;
  --side-ink: #d9e6e1;
  --radius: 6px;
  --font: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-variant-numeric: tabular-nums;
}
a { color: var(--ink); text-underline-offset: 3px; }
code { font-family: var(--mono); font-size: 0.86em; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ── 레이아웃 ── */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side {
  background: var(--side);
  color: var(--side-ink);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { font-weight: 700; font-size: 17px; color: #fff; letter-spacing: -0.01em; }
.brand small { display: block; font-weight: 400; font-size: 12.5px; color: #9fb7af; margin-top: 2px; }
.side label.picker { display: grid; gap: 6px; font-size: 12.5px; color: #9fb7af; }
.side select {
  width: 100%;
  background: #1d3f37;
  color: #fff;
  border: 1px solid #2f574d;
  border-radius: var(--radius);
  padding: 8px 10px;
  font: inherit;
}
.nav { display: grid; gap: 2px; }
.nav a {
  color: var(--side-ink);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: var(--radius);
}
.nav a:hover { background: #1d3f37; }
.nav a[aria-current] { background: #24493f; color: #fff; font-weight: 600; box-shadow: inset 3px 0 0 #6fd3a8; }
.server { margin-top: auto; font-size: 12px; color: #8ea69e; word-break: break-all; }
.server .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #8ea69e; margin-right: 6px; }
#server-state.up .dot { background: #6fd3a8; }
#server-state.down .dot { background: #ff8a7a; }
.server[hidden] + .later { margin-top: auto; }
.later { font-size: 12px; color: #8ea69e; border-top: 1px solid #2a5047; padding-top: 12px; }

.content { min-width: 0; }
main { padding: 28px 36px 64px; min-width: 0; max-width: 1280px; }

/* 데모 모드 안내 */
.demo-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap;
  padding: 10px 36px;
  background: var(--late-bg);
  border-bottom: 1px solid #ecd3a4;
  color: #5c3a00;
  font-size: 14px;
}
.demo-banner[hidden] { display: none; }
.demo-banner p { margin: 0; max-width: 80ch; }
.demo-banner .btn { border-color: #c99a4a; background: #fffaf0; color: #5c3a00; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; letter-spacing: -0.02em; }
.page-sub { margin: 4px 0 0; color: var(--ink-2); }
.crumb { margin: 0 0 4px; font-size: 13px; color: var(--ink-3); }
.crumb a { color: var(--ink-2); }
.sec-title { font-size: 15px; font-weight: 700; margin: 0 0 10px; }
.sec-row { display: flex; justify-content: space-between; align-items: baseline; margin-top: 34px; }
.sub { display: block; font-size: 12.5px; color: var(--ink-3); }
.fail-text { color: var(--fail); }
.loading { color: var(--ink-3); }
.empty { padding: 40px 0; color: var(--ink-2); }
.empty-title { font-size: 18px; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.empty-inline { color: var(--ink-3); padding: 16px 0; }

/* ── 버튼 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; font-size: 14px;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--line-2); }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:hover { background: #1f4a40; }
.btn.ghost { border-color: var(--line); }
.btn.small { padding: 4px 10px; font-size: 13px; font-weight: 500; }
.btn:disabled { opacity: 0.5; cursor: default; }

.badge { display: inline-block; font-size: 12.5px; font-weight: 600; padding: 1px 8px; border-radius: 99px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.fail { background: var(--fail-bg); color: var(--fail); }
.badge.muted { color: var(--ink-3); }

/* ── API 채널 (기관 현황) ── */
.channels { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.channel {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) minmax(220px, 1fr) 230px;
  gap: 24px;
  align-items: center;
  padding: 18px 20px;
  border-top: 1px solid var(--line-2);
  position: relative;
}
.channel:first-child { border-top: 0; }
.channel::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--line); }
.channel.state-ok::before { background: var(--ok); }
.channel.state-overdue::before { background: var(--late); }
.ch-name { display: grid; gap: 2px; }
.ch-title { font-weight: 700; font-size: 16px; text-decoration: none; }
.ch-title:hover { text-decoration: underline; }
.ch-path { color: var(--ink-3); font-size: 12px; }
.ch-cycle { font-size: 12.5px; color: var(--ink-2); }
.ch-last { display: grid; gap: 1px; }
.ch-last strong { font-size: 17px; }
.ch-actions { display: flex; gap: 8px; justify-content: flex-end; }

.state-dot { font-size: 12.5px; font-weight: 600; color: var(--ink-3); }
.state-dot::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: currentColor; margin-right: 6px; vertical-align: 1px; }
.state-ok .state-dot { color: var(--ok); }
.state-overdue .state-dot { color: var(--late); }

/* ── 표 ── */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 14px; border-top: 1px solid var(--line-2); vertical-align: top; }
.table thead th { border-top: 0; font-size: 12.5px; font-weight: 600; color: var(--ink-2); background: #f8faf9; white-space: nowrap; }
.table tbody th { font-weight: 600; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: #f6f9f8; }
.nowrap { white-space: nowrap; }
.table td, .table tbody th { white-space: nowrap; }
.table td.msg-col { color: var(--ink-2); white-space: normal; min-width: 260px; max-width: 420px; }
.matrix .cell-state { min-width: 120px; }
.matrix .cell-state span { display: block; }

.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; margin-bottom: 14px; }
.filter { display: grid; gap: 3px; font-size: 12.5px; color: var(--ink-2); }
.filter select, .filter input { min-width: 130px; }
.pager { display: flex; gap: 14px; align-items: center; justify-content: center; margin-top: 14px; font-size: 13.5px; color: var(--ink-2); }

/* ── 입력 ── */
input[type="text"], input[type="number"], input[type="date"], input:not([type]), select, textarea {
  font: inherit; font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 10px;
  width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--ink-2); }

.origin { margin: -8px 0 18px; color: var(--ink-2); font-size: 14px; }
.send-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 24px; align-items: start; }
.send-side { position: sticky; top: 16px; }
.side-box { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.side-title { font-weight: 700; margin: 0 0 4px; }
.side-actions { display: flex; gap: 8px; margin: 12px 0 0; }
.side-actions .primary { flex: 1; }

.json {
  font-family: var(--mono); font-size: 12px; line-height: 1.5;
  background: #f7faf9; border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 10px 12px; margin: 10px 0 0; max-height: 46vh; overflow: auto; white-space: pre;
}
.j-key { color: #2a5a8c; }
.j-str { color: #1d6b45; }
.j-num { color: #8a4b08; }
.j-lit { color: #7a2e8e; }

.result { margin-top: 12px; padding: 10px 12px; border-radius: var(--radius); font-size: 13.5px; }
.result:empty { display: none; }
.result p { margin: 0 0 4px; }
.result.ok { background: var(--ok-bg); }
.result.fail { background: var(--fail-bg); }
.result-title { font-weight: 700; }
.msg-list { margin: 6px 0; padding-left: 18px; font-size: 13px; }
.msg-list.warn { color: var(--late); }

.form { display: grid; gap: 18px; }
.form-section { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; }
.form-section > h3 { font-size: 15px; margin-bottom: 14px; }
.form-section > .section-help { margin: -8px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px 16px; }
.wide { grid-column: 1 / -1; }
.field { display: grid; gap: 4px; align-content: start; min-width: 0; }
.field input, .field select { min-width: 0; }
.field-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 6px; }
.field-head > label { display: flex; flex-direction: column; font-size: 13.5px; font-weight: 600; min-width: 0; }
.field-head > label .key { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.key { font-weight: 400; color: var(--ink-3); font-size: 11.5px; }
.req { color: var(--fail); }
.help { margin: 0; font-size: 12.5px; color: var(--ink-3); }
.err { margin: 0; font-size: 12.5px; color: var(--fail); }
.err:empty { display: none; }
.has-err > input, .has-err > select, .has-err > textarea, .has-err .seg, .has-err > div > input { border-color: var(--fail); }

.dummy-btn {
  font: inherit; font-size: 11px; line-height: 1;
  padding: 3px 6px; border-radius: 4px;
  border: 1px dashed transparent; background: none; color: var(--ink-3);
  cursor: pointer; opacity: 0;
}
.field:hover .dummy-btn, .field:focus-within .dummy-btn, .dummy-btn:focus-visible { opacity: 1; border-color: var(--line); }
.dummy-btn.on { opacity: 1; border: 1px dashed var(--late); color: var(--late); background: var(--late-bg); }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); width: max-content; }
.seg-opt { position: relative; }
.seg-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg-opt span { display: block; padding: 6px 14px; font-size: 13.5px; font-weight: 500; border-left: 1px solid var(--line); }
.seg-opt:first-child span { border-left: 0; }
.seg-opt input:checked + span { background: var(--ink); color: #fff; }
.seg-opt input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: -2px; }

.group { border: 1px solid var(--line-2); border-radius: var(--radius); padding: 10px 14px 14px; margin: 0; display: grid; gap: 10px; }
.group legend { font-size: 13.5px; font-weight: 600; padding: 0 4px; display: flex; gap: 6px; align-items: baseline; }
.group > .btn { justify-self: start; }

.array { display: grid; gap: 8px; }
.array > .btn { justify-self: start; }
.item { border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfc; }
.item[open] { background: var(--surface); }
.item > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px;
}
.item > summary::-webkit-details-marker { display: none; }
.item > summary::before { content: "▸"; color: var(--ink-3); font-size: 12px; width: 10px; }
.item[open] > summary::before { content: "▾"; }
.item > summary.has-err .item-title { color: var(--fail); }
.item-title { font-weight: 600; }
.item-sum { color: var(--ink-2); font-size: 13px; }
.item-err { color: var(--fail); font-size: 12.5px; }
.item-actions { margin-left: auto; display: flex; gap: 2px; }
.icon-btn { font: inherit; border: 0; background: none; color: var(--ink-3); padding: 2px 7px; border-radius: 4px; cursor: pointer; }
.icon-btn:hover { background: var(--line-2); color: var(--ink); }
.icon-btn.danger:hover { color: var(--fail); background: var(--fail-bg); }
.icon-btn:disabled { visibility: hidden; }
.item > .grid { padding: 6px 14px 16px; border-top: 1px solid var(--line-2); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 99px; padding: 3px 12px 3px 8px; font-size: 13.5px; background: var(--surface); }
.chip:has(input:checked) { border-color: var(--ink); background: var(--line-2); }
.chip-add { max-width: 200px; }
.check { display: flex; gap: 8px; align-items: center; margin-top: 12px; font-size: 14px; }

/* 운영 플래그 */
.flag-row { display: grid; grid-template-columns: 1fr auto 80px; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line-2); }
.flag-row .label-text { font-weight: 600; margin-right: 6px; }
.flag-cur { display: block; font-size: 12.5px; color: var(--ink-3); }
.flag-row.changed .flag-cur { color: var(--late); }
.flag-row.changed .flag-cur::after { content: " → 바뀜"; }
.flags .field { margin-top: 14px; }
.deprecated > summary { cursor: pointer; font-weight: 600; color: var(--ink-2); }
.deprecated[open] > summary { margin-bottom: 8px; }

/* 대화상자 */
dialog {
  border: 0; border-radius: 10px; padding: 0;
  width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 48px);
  color: var(--ink); box-shadow: 0 20px 60px rgba(20, 48, 42, 0.25);
}
dialog::backdrop { background: rgba(20, 48, 42, 0.35); }
.dlg-inner { position: relative; padding: 22px 24px; }
.dlg-close { position: absolute; top: 12px; right: 12px; font-size: 18px; }
.dlg-head h2 { font-size: 19px; display: flex; gap: 10px; align-items: center; }
.dlg-head { margin-bottom: 14px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0 0 16px; font-size: 14px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
.dlg-actions { margin-top: 14px; display: flex; justify-content: flex-end; }

#toasts { position: fixed; bottom: 20px; right: 20px; display: grid; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius); font-size: 14px; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15); }
.toast.ok { background: var(--ok); }

/* ── 반응형 ── */
@media (max-width: 1100px) {
  .send-layout { grid-template-columns: 1fr; }
  .send-side { position: static; }
  .channel { grid-template-columns: 1fr 1fr; }
  .ch-actions { grid-column: 1 / -1; justify-content: flex-start; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; padding: 14px 16px; gap: 12px; }
  .nav { grid-auto-flow: column; overflow-x: auto; }
  .server, .later { display: none; }
  main { padding: 20px 16px 48px; }
  .demo-banner { padding: 10px 16px; }
  .channel { grid-template-columns: 1fr; gap: 12px; }
  .flag-row { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }