:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6b6964;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.12);
  --wash: #f0efec;
  /* 한국 시세 관례: 빨강 = 0보다 큼(긍정·상승), 파랑 = 0보다 작음(부정·하락) */
  --pos: #e34948;
  --neg: #2a78d6;
  --zero: #a3a19a;
  --series: #6250d6;
  --prior: #b5b3ab;
  --focus: #6250d6;
  --notice-bg: #fff4d6;
  --notice-ink: #5a4300;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #a09e97;
    --grid: #2c2c2a;
    --axis: #4a4a46;
    --border: rgba(255, 255, 255, 0.12);
    --wash: #262624;
    --pos: #e66767;
    --neg: #3987e5;
    --zero: #6b6a65;
    --series: #9085e9;
    --prior: #6b6a65;
    --focus: #9085e9;
    --notice-bg: #3a2f0c;
    --notice-ink: #f5dd9a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #a09e97;
  --grid: #2c2c2a;
  --axis: #4a4a46;
  --border: rgba(255, 255, 255, 0.12);
  --wash: #262624;
  --pos: #e66767;
  --neg: #3987e5;
  --zero: #6b6a65;
  --series: #9085e9;
  --prior: #6b6a65;
  --focus: #9085e9;
  --notice-bg: #3a2f0c;
  --notice-ink: #f5dd9a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

header.site { border-bottom: 1px solid var(--border); background: var(--surface); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; }
.brand { font-weight: 700; text-decoration: none; }
header.site nav a { color: var(--ink-2); font-size: 14px; }

.notice { margin: 16px 0 0; padding: 10px 14px; border-radius: 8px; background: var(--notice-bg); color: var(--notice-ink); font-size: 14px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 16px 0 10px; }
.tabs button {
  font: inherit; text-align: left; padding: 8px 12px; min-height: 44px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); display: grid; gap: 2px;
}
.tabs button[aria-pressed="true"] { border: 2px solid var(--ink); color: var(--ink); padding: 7px 11px; }
.tabs .mk { font-weight: 700; font-size: 15px; color: var(--ink); }
.tabs .mk small { display: block; font-weight: 400; font-size: 12px; color: var(--muted); }
.tabs .ml { font-size: 15px; display: flex; align-items: center; gap: 6px; }
.tabs .ml .dot { width: 10px; height: 10px; }
.tabs .mc { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.jump { display: flex; gap: 14px; overflow-x: auto; white-space: nowrap; font-size: 14px; color: var(--ink-2); margin: 0 0 12px; padding-bottom: 4px; scrollbar-width: none; }

section.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin: 0 0 16px; scroll-margin-top: 12px; }
section.card > h2 { font-size: 18px; margin: 0 0 4px; }
.sub { color: var(--ink-2); font-size: 14px; margin: 0 0 12px; }
.small { font-size: 13px; color: var(--muted); }

/* 오늘 */
.eyebrow { color: var(--ink-2); font-size: 14px; margin: 0; }
.hero { display: flex; align-items: center; gap: 10px; margin: 6px 0 2px; }
.hero strong { font-size: 40px; line-height: 1.2; }
.dot { width: 14px; height: 14px; border-radius: 50%; flex: none; background: var(--zero); }
.dot.pos { background: var(--pos); }
.dot.neg { background: var(--neg); }
.gauge { position: relative; margin: 10px 0 6px; }
.gbar { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; font-size: 11px; color: var(--ink-2); text-align: center; }
.gbar span { padding-top: 10px; border-top: 6px solid var(--zero); white-space: nowrap; }
.gbar .g0 { border-color: var(--neg); }
.gbar .g1 { border-color: color-mix(in srgb, var(--neg) 50%, var(--surface)); }
.gbar .g3 { border-color: color-mix(in srgb, var(--pos) 50%, var(--surface)); }
.gbar .g4 { border-color: var(--pos); }
.gmark { position: absolute; top: -4px; width: 4px; height: 14px; margin-left: -2px; border-radius: 2px; background: var(--ink); box-shadow: 0 0 0 2px var(--surface); }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
@media (min-width: 640px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.tile { background: var(--wash); border-radius: 8px; padding: 10px 12px; }
.tile .label { font-size: 13px; color: var(--ink-2); }
.tile .value { font-size: 20px; font-weight: 600; }
.tile .note { font-size: 13px; color: var(--muted); }

/* AI 해설 */
.ai-head { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.badge { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--ink-2); }
.badge.test { background: var(--notice-bg); color: var(--notice-ink); border-color: transparent; }
.ai h3 { font-size: 20px; margin: 0 0 8px; }
.ai ul { margin: 0 0 10px; padding-left: 20px; }
.ai .watch { margin: 0 0 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 12px; }
.chip {
  display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--wash); text-decoration: none; color: var(--ink-2);
}
.chip:hover { color: var(--ink); }
.disclaimer { font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 10px; margin: 0; }

/* 기사 묶음 */
.cols { display: grid; gap: 16px; }
@media (min-width: 720px) { .cols { grid-template-columns: 1fr 1fr; } }
.cols h3 { font-size: 15px; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.cols ol { margin: 0; padding-left: 22px; }
.cols li { margin: 0 0 10px; padding: 4px 6px; border-radius: 6px; scroll-margin-top: 12px; }
.cols li:target { background: var(--wash); outline: 2px solid var(--focus); }
.meta { font-size: 13px; color: var(--muted); }

/* 섹터 */
.sgrid { display: grid; gap: 10px; }
@media (min-width: 640px) { .sgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 900px) { .sgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.scard { background: var(--wash); border-radius: 8px; padding: 10px 12px; min-width: 0; }
.shead { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.shead .ml { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.shead .dot { width: 10px; height: 10px; }
.spark { display: block; width: 100%; height: 28px; margin: 6px 0 2px; }
.scard .meta { margin: 2px 0; }
.sline { font-size: 14px; margin: 6px 0 2px; }
.smove { font-size: 13px; color: var(--ink-2); margin: 2px 0; font-variant-numeric: tabular-nums; }
#s-sectors h2 .badge { vertical-align: 2px; }
.stitles { list-style: none; margin: 6px 0 0; padding: 0; font-size: 13px; }
.stitles li { display: flex; gap: 6px; align-items: baseline; margin: 2px 0; overflow: hidden; }
.stitles li a, .stitles li { min-width: 0; }
.stitles .dot { width: 8px; height: 8px; flex: none; transform: translateY(-1px); }
.stitles a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }

/* 차트 */
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--ink-2); margin: 0 0 8px; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.chart { position: relative; touch-action: pan-y; }
.chart:focus-visible { outline-offset: 4px; }
.panel-title { font-size: 13px; color: var(--ink-2); margin: 8px 0 0; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart svg text { font-size: 11px; fill: var(--muted); font-variant-numeric: tabular-nums; }
.grid-line { stroke: var(--grid); stroke-width: 1; }
.base-line { stroke: var(--axis); stroke-width: 1; }
.bar-pos { fill: var(--pos); }
.bar-neg { fill: var(--neg); }
.data-line { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.xhair { stroke: var(--ink-2); stroke-width: 1; }
.hover-dot { fill: var(--series); stroke: var(--surface); stroke-width: 2; }
.market-line { stroke: var(--ink-2); stroke-width: 1.5; }
.market-dot { fill: var(--ink-2); }
.axis2 { fill: var(--series); }
.tip {
  position: absolute; top: 0; pointer-events: none; z-index: 2; min-width: 150px;
  background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12); padding: 8px 10px; font-size: 13px; line-height: 1.5;
}
.tip b { display: block; }
.tip span { color: var(--ink-2); }
details { margin-top: 10px; font-size: 14px; }
summary { cursor: pointer; color: var(--ink-2); min-height: 32px; }
.table-scroll { max-height: 320px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; margin-top: 6px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--grid); white-space: nowrap; font-variant-numeric: tabular-nums; }
th:first-child, td:first-child { text-align: left; }
thead th { position: sticky; top: 0; background: var(--surface); color: var(--ink-2); font-weight: 600; }
#s-method td { white-space: normal; min-width: 72px; }
#s-method .table-scroll { max-height: none; }

/* 주제 비중 */
.topic { margin: 0 0 12px; }
.topic .name { font-size: 14px; display: flex; justify-content: space-between; gap: 8px; }
.topic .name span { color: var(--muted); font-size: 13px; }
.hbar { display: flex; align-items: center; gap: 6px; margin-top: 3px; font-size: 12px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.hbar i { display: block; height: 10px; border-radius: 0 4px 4px 0; min-width: 2px; }
.hbar.now i { background: var(--series); }
.hbar.prior i { background: var(--prior); }

/* 지수 산출 */
.formula { background: var(--wash); border-radius: 8px; padding: 10px 12px; font-size: 14px; margin: 12px 0; }
.formula p { margin: 0 0 4px; }
.formula code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.facts { margin: 0; padding-left: 20px; font-size: 14px; }

footer { color: var(--muted); font-size: 13px; padding: 8px 0 32px; }
footer p { margin: 4px 0; }

/* about */
.prose h1 { font-size: 24px; margin: 16px 0 8px; }
.prose h2 { font-size: 18px; margin: 0 0 6px; }
.prose p, .prose li { font-size: 15px; }
.shead .badge { margin-left: 6px; vertical-align: 1px; }
.weekend { margin: 12px 0; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; }
.weekend p { margin: 4px 0; }
.card.live { border-color: var(--notice-ink, #b58900); }