:root {
  --paper: #EDF0F3;
  --surface: #FFFFFF;
  --ink: #151922;
  --ink-2: #4B5260;
  --ink-3: #6E7582;
  --line: #D3D8DF;

  --l3: #A01C1C;
  --l3-ink: #FFF1EF;
  --l2: #E2483B;
  --l2-ink: #FFFFFF;
  --l1: #F4A79D;
  --l1-ink: #5A1410;
  --sus: #F6D98E;
  --sus-ink: #5C3B00;
  --sus-line: #B7851B;
  --none: #DDE2E8;
  --none-ink: #7A818D;

  --display: 'Black Han Sans', 'IBM Plex Sans KR', sans-serif;
  --text: 'IBM Plex Sans KR', -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0F1216;
    --surface: #171B21;
    --ink: #E9ECF0;
    --ink-2: #AAB1BC;
    --ink-3: #828A97;
    --line: #2A3038;
    --none: #20252D;
    --none-ink: #6C7480;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px 48px; }

a { color: inherit; }

button { font: inherit; color: inherit; }

/* 머리말 */
.top { padding: 32px 0 8px; }

h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 8vw, 72px);
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 0;
}

.lede { max-width: 34em; color: var(--ink-2); margin: 14px 0 0; }

.headline {
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 600;
  line-height: 1.45;
  max-width: 30em;
  margin: 22px 0 0;
}

.stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  padding: 0;
  margin: 10px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}
.stats b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 20px;
  color: var(--ink);
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}

.ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  padding: 10px 12px;
  background: var(--surface);
  border-radius: 8px;
  font-size: 14px;
}
.ticker-tag {
  flex: none;
  background: var(--l2);
  color: var(--l2-ink);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.ticker-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 맵과 패널 */
.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 20px;
}
@media (min-width: 960px) {
  .grid { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
  .panel { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
}

.map { position: relative; width: 100%; min-height: 320px; }

.sector { position: absolute; background: var(--surface); border-radius: 8px; }
.sector-name {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 9px;
  border: 0;
  border-radius: 5px;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: background-color 0.35s ease, color 0.35s ease;
}
.tile:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; z-index: 2; }
.tile.selected { outline: 3px solid var(--ink); outline-offset: -3px; }

.l3 { background: var(--l3); color: var(--l3-ink); }
.l2 { background: var(--l2); color: var(--l2-ink); }
.l1 { background: var(--l1); color: var(--l1-ink); }
.sus { background: var(--sus); color: var(--sus-ink); border: 1.5px dashed var(--sus-line); }
.next { background: transparent; color: var(--ink); border: 1.5px dashed var(--ink-3); }
.none { background: var(--none); color: var(--none-ink); }

.t-head { display: block; min-width: 0; font-size: 14px; line-height: 1.3; }
.t-name { display: block; font-size: 14px; font-weight: 600; line-height: 1.3; overflow-wrap: normal; }
.t-items { display: block; margin-top: 4px; font-size: 12px; font-weight: 500; line-height: 1.4; opacity: 0.9; }
.t-items .it { display: block; overflow-wrap: normal; }
.map.static .tile { transition: none; }
.tile.flow .t-items .it { display: inline; white-space: normal; }
.tile.flow .t-items .it + .it::before { content: ', '; }
.tile.flow .t-items .it.more::before { content: ' '; }
.tile.inline .t-name { display: inline; }
.tile.inline .t-items { display: inline; margin: 0 0 0 6px; }
.tile.no-lv .t-lv, .tile.no-items .t-items { display: none; }
.t-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 4px; }
.t-ico, .ico {
  flex: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.t-num { display: block; font-family: var(--display); font-size: 30px; line-height: 1; white-space: nowrap; font-variant-numeric: tabular-nums; }
.t-num small { font-family: var(--text); font-size: 13px; font-weight: 600; margin-left: 3px; }
.t-lv { display: block; font-size: 12px; font-weight: 500; margin-top: 4px; }

.tile.sm .t-name { font-size: 13px; }
.tile.sm .t-num { font-size: 24px; }
.tile.xs { padding: 6px 7px; }
.tile.xs .t-ico, .tile.xs .t-lv { display: none; }
.tile.xs .t-name { font-size: 12px; }
.tile.xs .t-num { font-size: 20px; }

.controls { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px 7px 10px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.play svg { width: 16px; height: 16px; fill: currentColor; }
.play:focus-visible, .chip-btn:focus-visible, .share:focus-visible, input[type="range"]:focus-visible {
  outline: 3px solid var(--l2);
  outline-offset: 2px;
}
input[type="range"] { flex: 1; min-width: 0; accent-color: var(--l2); }
.month { min-width: 92px; text-align: right; font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }

.legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 0;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-2);
}
.sw { display: inline-block; width: 14px; height: 14px; border-radius: 3px; vertical-align: -2px; margin-right: 6px; }

.panel { background: var(--surface); border-radius: 12px; padding: 18px 18px 10px; }
.chip { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 4px; }
.chip.next { border-width: 1px; }
.panel h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.15;
  margin: 10px 0 2px;
}
.panel .meta { color: var(--ink-2); font-size: 14px; margin: 0 0 10px; }
.panel .empty { color: var(--ink-2); font-size: 14px; border-top: 1px solid var(--line); padding: 12px 0; margin: 0; }

.case { border-top: 1px solid var(--line); padding: 12px 0; }
.case .when { font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.case h3 { font-size: 15px; font-weight: 600; line-height: 1.45; margin: 2px 0 4px; }
.case p { font-size: 14px; color: var(--ink-2); margin: 0 0 6px; }
.tag-sus { font-size: 12px; font-weight: 600; color: var(--sus-ink); background: var(--sus); padding: 1px 6px; border-radius: 3px; margin-right: 6px; }
.src { display: flex; flex-wrap: wrap; gap: 2px 12px; font-size: 13px; }
.src a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.src a:hover { text-decoration-color: currentColor; }

.share {
  display: block;
  width: 100%;
  margin: 6px 0 8px;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.share:hover { border-color: var(--ink-3); }

/* 모든 사례 */
.log, .guide { margin-top: 56px; }
.log h2, .guide h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.15;
  margin: 0;
}
.section-sub { color: var(--ink-2); font-size: 14px; margin: 6px 0 0; }

.log-month { font-size: 14px; font-weight: 600; color: var(--ink-3); margin: 28px 0 0; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.entry { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) {
  .entry { grid-template-columns: 150px minmax(0, 1fr); }
}
.entry .when { font-size: 13px; color: var(--ink-3); padding-top: 3px; }
.entry h4 { font-size: 16px; font-weight: 600; line-height: 1.45; margin: 0; max-width: 40em; }
.entry p { font-size: 14px; color: var(--ink-2); margin: 4px 0 6px; max-width: 46em; }
.entry .row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 9px 2px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: 13px;
  cursor: pointer;
}
.chip-btn:hover { border-color: var(--ink-3); }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.sus { border: 1px dashed var(--sus-line); }

/* 읽는 법 */
.guide dl { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px 20px; margin: 16px 0 0; max-width: 760px; }
@media (min-width: 720px) {
  .guide dl { grid-template-columns: 150px minmax(0, 1fr); }
}
.guide dt { font-weight: 600; padding-top: 10px; }
.guide dd { margin: 0; color: var(--ink-2); padding: 10px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 719px) {
  .guide dt { padding-top: 14px; }
  .guide dd { padding-top: 2px; }
}

.foot { margin-top: 40px; font-size: 13px; color: var(--ink-3); }

@media (prefers-reduced-motion: reduce) {
  .tile { transition: none; }
}