:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: rgba(17,24,39,.12);
  --shadow: 0 8px 24px rgba(17,24,39,.08);
  --radius: 14px;
  --page-width: 1566px;
}

*{ box-sizing: border-box; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
}

.header{
  padding: 24px 18px 12px;
  max-width: var(--page-width);
  margin: 0 auto;
}
.header h1{
  margin: 0 0 6px;
  font-size: 20px;
}
.sub{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.controls{
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 18px 12px;
}
.control-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}
.controls label{
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.controls input{
  height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}
.controls button{
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}
.controls button:hover{ filter: brightness(0.98); }

.grid{
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 12px 18px 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.card-head{
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
}
.card-head h2{
  margin: 0;
  font-size: 16px;
}
.meta{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: end;
}
.pill{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 999px;
}

.timeline{
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(17,24,39,.02);
}
.timeline-top{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}
.timeline input[type=range]{
  width: 100%;
}

canvas{
  width: 100%;
  min-width: 1566px;
  height: auto;
  margin-top: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.chart-scroll{
  width: 100%;
  overflow-x: auto;
  padding-bottom: 6px; /* 스크롤바 영역 확보 */
}
.chart-scroll canvas{
  margin-top: 12px;
}