@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700&family=Spline+Sans+Mono:wght@400;500;600;700&display=swap');
:root { --font-sans: 'Noto Sans KR'; --font-mono: 'Spline Sans Mono'; }

:root {
  --paper: #fbfbfa;
  --surface: #ffffff;
  --ink: #23262b;
  --ink-soft: #565b63;
  --muted: #8a8f98;
  --line: #e7e7e3;
  --line-soft: #f0f0ec;
  --blue: #2f6fce; /* 변경 */
  --amber: #c2882a; /* 주의 */
  --green: #2f8f5b; /* 유지 */
  --blue-wash: #eef3fc;
  --amber-wash: #f9f1e2;
  --green-wash: #ebf5ef;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 0 var(--line), 0 14px 36px rgba(35, 38, 43, 0.05);
  --shadow-soft: 0 1px 0 var(--line);
}

/* status tone mapping: any descendant reads var(--tone) */
.row-change,
.chip-change,
.legend-change {
  --tone: var(--blue);
  --tone-wash: var(--blue-wash);
}
.row-watch,
.chip-watch,
.legend-watch {
  --tone: var(--amber);
  --tone-wash: var(--amber-wash);
}
.row-steady,
.chip-steady,
.legend-steady {
  --tone: var(--green);
  --tone-wash: var(--green-wash);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans), ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: -0.003em;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 50;
}
.skip-link:focus {
  left: 0;
}

/* ===== slim dashboard header ===== */
.board-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 251, 250, 0.92);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--line);
}
.board-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.board-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-glyph {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
}
.glyph-bar {
  width: 5px;
  border-radius: 2px;
}
.glyph-bar.bar-change {
  height: 22px;
  background: var(--blue);
}
.glyph-bar.bar-watch {
  height: 15px;
  background: var(--amber);
}
.glyph-bar.bar-steady {
  height: 18px;
  background: var(--green);
}
.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-accent {
  color: var(--blue);
}
.brand-text small {
  margin-top: 2px;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

.status-chips {
  display: inline-flex;
  align-items: stretch;
  gap: 8px;
  margin: 0;
}
.status-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  min-width: 58px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.status-chip dt {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tone);
}
.status-chip dd {
  margin: 0;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tone);
  line-height: 1;
}

/* ===== home: status board ===== */
.board {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 28px 72px;
}

.board-lead {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 30px;
  align-items: center;
  color: var(--paper);
  background-image: linear-gradient(115deg, rgba(35, 38, 43, 0.86), rgba(47, 111, 206, 0.62)),
    image-set(url("/images/tidysignal-lead.jpg") 1x);
  background-size: cover;
  background-position: center;
}
.board-lead::before {
  /* gradient fallback before the jpg exists */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, #23262b 0%, #2f3a4e 48%, #2f6fce 100%);
}
.board-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(251, 251, 250, 0.82);
}
.board-lead h1 {
  margin: 0 0 14px;
  font-size: 1.92rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.board-lede {
  margin: 0;
  max-width: 40ch;
  color: rgba(251, 251, 250, 0.9);
  font-size: 0.98rem;
}
.board-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.legend-item {
  display: grid;
  grid-template-columns: 4px auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
}
.legend-bar {
  align-self: stretch;
  width: 4px;
  border-radius: 3px;
  background: var(--tone);
}
.legend-label {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--tone);
}
.legend-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.board-panel {
  margin-top: 34px;
}
.board-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.board-panel-head h2 {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.board-panel-head p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.board-columns {
  display: grid;
  grid-template-columns: 6px 84px 116px 150px 1fr;
  gap: 16px;
  align-items: center;
  padding: 8px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.board-columns .board-column:first-child {
  visibility: hidden;
}

.board-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.board-row + .board-row {
  border-top: 1px solid var(--line-soft);
}
.board-row-link {
  display: grid;
  grid-template-columns: 6px 84px 116px 150px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  transition: background 0.15s ease;
}
.board-row-link:hover,
.board-row-link:focus-visible {
  background: var(--tone-wash);
  outline: none;
}
.row-bar {
  align-self: stretch;
  min-height: 38px;
  width: 6px;
  border-radius: 3px;
  background: var(--tone);
}
.row-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--tone);
}
.row-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tone);
}
.row-date {
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.row-category {
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.row-summary {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.row-summary strong {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.row-summary small {
  font-size: 0.84rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.board-method {
  margin-top: 48px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.board-method h2 {
  margin: 0 0 14px;
  font-size: 1.04rem;
  font-weight: 700;
}
.method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.method-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.method-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--blue);
}

.board-footer {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.footer-mark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.footer-desc {
  margin: 8px 0 4px;
  font-size: 0.86rem;
  color: var(--ink-soft);
  max-width: 60ch;
}
.footer-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ===== article: status detail ===== */
.detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 34px 28px 80px;
}
.status-detail {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0 38px 38px;
  overflow: hidden;
}
.detail-bar {
  display: block;
  height: 6px;
  margin: 0 -38px 30px;
  background: var(--tone);
}
.detail-head {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 22px;
}
.detail-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--tone-wash);
  color: var(--tone);
  font-size: 0.82rem;
  font-weight: 700;
}
.detail-category {
  font-size: 0.84rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.detail-date {
  margin-left: auto;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--muted);
}
.detail-head h1 {
  margin: 0 0 10px;
  font-size: 1.74rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.32;
}
.detail-note {
  margin: 0 0 18px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.detail-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin: 0;
}
.detail-dates div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.detail-dates dt {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.detail-dates dd {
  margin: 0;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.86rem;
  color: var(--ink);
}

.detail-summary {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--tone);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--tone-wash);
}
.detail-summary h2 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--tone);
}
.detail-summary p {
  margin: 0;
  font-size: 0.96rem;
  color: var(--ink);
}

/* injected content */
.article-content {
  margin-top: 28px;
  font-size: 1rem;
  color: #2c3038;
}
.article-content h2 {
  margin: 32px 0 12px;
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-left: 14px;
  border-left: 4px solid var(--tone);
}
.article-content h3 {
  margin: 24px 0 10px;
  font-size: 1.02rem;
  font-weight: 700;
}
.article-content p {
  margin: 0 0 16px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 18px;
  padding-left: 4px;
  list-style: none;
}
.article-content ul li,
.article-content ol li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
}
.article-content ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--tone);
}
.article-content ol {
  counter-reset: tidy;
}
.article-content ol li {
  counter-increment: tidy;
}
.article-content ol li::before {
  content: counter(tidy);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--tone);
  font-weight: 600;
}
.article-content blockquote {
  margin: 22px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--tone);
  background: var(--line-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.02rem;
  color: var(--ink);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-content thead th {
  background: #f4f5f3;
  text-align: left;
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
}
.article-content tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
.article-content tbody tr:last-child td {
  border-bottom: none;
}
.article-content a {
  color: var(--blue);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(47, 111, 206, 0.4);
}
.article-content a:hover {
  text-decoration-color: var(--blue);
}

.detail-faq {
  margin-top: 36px;
  border-top: 1px solid var(--line-soft);
  padding-top: 24px;
}
.detail-faq h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  font-weight: 700;
}
.detail-faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 4px 16px;
  margin-bottom: 10px;
  background: var(--surface);
}
.detail-faq summary {
  cursor: pointer;
  padding: 11px 0;
  font-weight: 600;
  font-size: 0.94rem;
  list-style: none;
  position: relative;
  padding-right: 26px;
}
.detail-faq summary::-webkit-details-marker {
  display: none;
}
.detail-faq summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.15s ease;
  font-family: var(--font-mono), ui-monospace, monospace;
  color: var(--muted);
}
.detail-faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.detail-faq details[open] summary {
  border-bottom: 1px solid var(--line-soft);
}
.detail-faq details p {
  margin: 10px 0 12px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.detail-sources {
  margin-top: 32px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f6f7f5;
}
.detail-sources h2 {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.detail-sources p {
  margin: 0 0 16px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
}
.detail-back::before {
  content: "";
  width: 6px;
  height: 6px;
  border-left: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
}

/* ===== narrow collapse ===== */
@media (max-width: 880px) {
  .board-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .board-lead {
    grid-template-columns: 1fr;
    padding: 26px 22px;
  }
  .board-columns {
    display: none;
  }
  .board-row-link {
    grid-template-columns: 6px 1fr;
    grid-template-areas:
      "bar meta"
      "bar summary";
    row-gap: 8px;
    column-gap: 14px;
  }
  .row-bar {
    grid-area: bar;
  }
  .row-status {
    grid-area: meta;
  }
  .row-date,
  .row-category {
    display: none;
  }
  .row-summary {
    grid-area: summary;
  }
  .detail {
    padding: 24px 16px 64px;
  }
  .status-detail {
    padding: 0 20px 28px;
  }
  .detail-bar {
    margin: 0 -20px 24px;
  }
  .detail-date {
    margin-left: 0;
  }
}