/* 국내 관행대로 상승=빨강, 하락=파랑 */
:root {
  --bg: #f5f6f8;
  --card: #fff;
  --line: #e6e8ec;
  --text: #14161a;
  --dim: #6b7280;
  --faint: #9aa1ad;
  --up: #e4442f;
  --down: #1263e2;
  --accent: #14161a;
  --star: #f5a623;
  --shadow: 0 1px 2px rgba(0, 0, 0, .05);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --card: #181b20;
    --line: #262a31;
    --text: #e8eaee;
    --dim: #9aa1ad;
    --faint: #6b7280;
    --up: #ff5b47;
    --down: #4d93ff;
    --accent: #e8eaee;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo",
        "Malgun Gothic", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

main { max-width: 760px; margin: 0 auto; padding: 0 12px 48px; }

/* ── 상단 ─────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  /* color-mix()는 Chrome 111(2023) 이상. 구형에서는 아래 줄이 무시되므로
     앞줄의 불투명 배경이 남아 헤더가 투명해지지 않는다. */
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  padding: env(safe-area-inset-top) 12px 10px;
}
.topbar-inner {
  max-width: 736px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0 8px;
}
.topbar h1 { font-size: 17px; font-weight: 700; margin: 0; letter-spacing: -.02em; white-space: nowrap; }

.title-wrap { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.stamp {
  font-size: 11.5px; color: var(--dim); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}
/* 장중이면 시각 앞에 점이 뛴다 — 지금 움직이는 값이라는 표시 */
.stamp.live::before {
  content: ''; display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--up); margin-right: 5px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .stamp.live::before { animation: none; } }

.icon-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--dim);
  width: 34px; height: 34px; border-radius: 10px; font-size: 16px;
  cursor: pointer; transition: transform .3s;
}
.icon-btn:active { transform: rotate(180deg); }
.icon-btn.spin { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.search-wrap { position: relative; max-width: 736px; margin: 0 auto; }
#search {
  width: 100%; padding: 11px 14px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 11px;
  background: var(--card); color: var(--text);
}
#search:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 40;
  margin: 0; padding: 4px; list-style: none;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
  max-height: 55vh; overflow-y: auto;
}
.suggest li {
  padding: 10px 12px; border-radius: 8px; cursor: pointer;
  display: flex; gap: 8px; align-items: baseline;
}
.suggest li:hover, .suggest li[aria-selected="true"] { background: var(--bg); }
.suggest .mk { font-size: 11px; color: var(--faint); }

/* ── 지수 ─────────────────────────────────────── */
.indices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 14px 0; }
.idx {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow);
}
.idx .nm { font-size: 12px; color: var(--dim); }
.idx .pv { font-size: 21px; font-weight: 700; letter-spacing: -.03em; margin-top: 2px; }
.idx .ch { font-size: 12.5px; font-weight: 600; }

/* ── 블록/탭 ───────────────────────────────────── */
.block { margin-bottom: 18px; }
.block > h2 {
  font-size: 13px; color: var(--dim); font-weight: 600;
  margin: 0 0 8px 4px; letter-spacing: -.01em;
}

.tabs {
  display: flex; gap: 4px; margin-bottom: 10px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 4px;
}
.tabs button {
  flex: 1; padding: 9px 0; border: 0; border-radius: 9px;
  background: transparent; color: var(--dim);
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit;
}
.tabs button.on { background: var(--accent); color: var(--card); }

/* ── 목록 ─────────────────────────────────────── */
.list {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.row {
  display: grid;
  grid-template-columns: 22px 1fr 62px auto;
  align-items: center; gap: 10px;
  padding: 11px 13px; cursor: pointer;
  border-top: 1px solid var(--line);
}
.list > .row:first-child, .row:first-child { border-top: 0; }
.row:active { background: var(--bg); }
.row .rank { font-size: 12px; color: var(--faint); text-align: center; font-variant-numeric: tabular-nums; }
.row .nm { font-weight: 600; letter-spacing: -.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .mk { font-size: 11px; color: var(--faint); font-weight: 400; margin-left: 5px; }
.row .spark { width: 62px; height: 26px; display: block; }
.row .right { text-align: right; min-width: 96px; }
.row .pv { font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.row .ch { font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.row.open { background: var(--bg); }

.tag {
  font-size: 10px; font-weight: 700; padding: 1px 5px;
  border-radius: 4px; margin-left: 5px; vertical-align: 1px;
}
.tag.up { background: var(--up); color: #fff; }
.tag.down { background: var(--down); color: #fff; }

.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--dim); }

/* ── 상세 ─────────────────────────────────────── */
.detail { border-top: 1px solid var(--line); background: var(--bg); padding: 14px 13px 16px; }
.detail-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.ranges { display: flex; gap: 5px; }
.ranges button {
  padding: 5px 11px; font-size: 12.5px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--dim); font-family: inherit;
}
.ranges button.on { background: var(--accent); color: var(--card); border-color: var(--accent); }

.star { border: 0; background: none; font-size: 21px; cursor: pointer; color: var(--faint); line-height: 1; padding: 0 2px; }
.star.on { color: var(--star); }

.chart-box { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 4px 4px; }
.chart-box svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
.readout {
  position: absolute; top: 8px; left: 12px; font-size: 11.5px;
  color: var(--dim); font-variant-numeric: tabular-nums; pointer-events: none;
  background: var(--card);
  background: color-mix(in srgb, var(--card) 85%, transparent); padding: 2px 5px; border-radius: 5px;
}

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin-top: 10px; }
.stats > div { background: var(--card); border: 1px solid var(--line); border-radius: 9px; padding: 7px 9px; }
.stats .k { font-size: 10.5px; color: var(--faint); }
.stats .v { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }

.rel { margin-top: 14px; }
.rel h3 {
  font-size: 12px; color: var(--dim); font-weight: 600; margin: 0 0 7px;
  display: flex; align-items: baseline; gap: 6px;
}
.rel h3 small { font-weight: 400; color: var(--faint); font-size: 11px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: baseline; gap: 6px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 11px; font-size: 13px; cursor: pointer;
  font-family: inherit; color: var(--text);
}
.chip:active { background: var(--bg); }
.chip .r { font-size: 11px; font-variant-numeric: tabular-nums; }
.chip .c { font-size: 10.5px; color: var(--faint); font-variant-numeric: tabular-nums; }

.muted { color: var(--faint); font-size: 12.5px; padding: 4px 0; }
.foot { text-align: center; color: var(--faint); font-size: 11.5px; line-height: 1.7; margin-top: 24px; }
.skel { padding: 34px 0; text-align: center; color: var(--faint); font-size: 13px; }

/* 스크립트가 죽었을 때 빈 화면 대신 이유를 보여준다 */
.fatal {
  margin: 14px 0; padding: 14px 16px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--up);
  color: var(--up); font-size: 13px; line-height: 1.6; word-break: break-all;
}
.err { padding: 20px; text-align: center; color: var(--up); font-size: 13px; }

/* 폰 폭에서도 스파크라인은 살린다 — 한눈에 흐름을 보는 게 이 화면의 목적. */
@media (max-width: 430px) {
  .row { grid-template-columns: 18px 1fr 44px auto; gap: 8px; padding: 11px 11px; }
  .row .spark { width: 44px; }
  .row .right { min-width: 86px; }
  .row .mk { display: none; }
}

@media (max-width: 330px) {
  .row { grid-template-columns: 18px 1fr auto; }
  .row .spark { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}