*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
               "Malgun Gothic", "맑은 고딕", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #0e1116; color: #e5e9f0;
  -webkit-text-size-adjust: 100%;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: #161b22; border-bottom: 1px solid #2a313c;
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-logo { font-size: 20px; }
.brand-name { font-weight: 700; font-size: 18px; letter-spacing: 0.3px; }
.brand-ver { font-size: 11px; color: #8b95a7; padding: 2px 6px; background: #222a36; border-radius: 4px; }
.health { font-size: 18px; color: #3fb950; }
.health.bad { color: #f85149; }
.health.warn { color: #d29922; }

.controls {
  background: #11161d; border-bottom: 1px solid #2a313c;
  padding: 10px 14px; display: flex; flex-direction: column; gap: 8px;
}
.ctrl-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.controls label {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: #8b95a7;
}
.controls input[type="text"], .controls input[type="number"], .controls select {
  background: #0e1116; border: 1px solid #2a313c; border-radius: 6px;
  padding: 6px 10px; color: #e5e9f0; min-width: 90px;
}
.controls input:focus, .controls select:focus { outline: none; border-color: #3081f7; }

.presets { gap: 4px; }
.preset {
  background: #1c232d; border: 1px solid #2a313c; color: #e5e9f0;
  border-radius: 6px; padding: 6px 10px; font-size: 12px;
}
.preset:hover { background: #232c38; }
.preset.active { background: #1f6feb; border-color: #1f6feb; }

.btn-primary, .btn-secondary {
  border-radius: 6px; padding: 7px 14px; font-size: 13px; font-weight: 600;
  border: 1px solid transparent;
}
.btn-primary { background: #1f6feb; color: #fff; }
.btn-primary:hover { background: #2978f0; }
.btn-secondary { background: #1c232d; color: #e5e9f0; border-color: #2a313c; }
.btn-secondary:hover { background: #232c38; }

.tabs {
  display: flex; gap: 2px; padding: 0 14px;
  background: #11161d; border-bottom: 1px solid #2a313c;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  position: sticky; top: 56px; z-index: 40;
}
.tabs::-webkit-scrollbar { height: 0; }
.tab {
  background: transparent; border: none; color: #8b95a7;
  padding: 12px 14px; font-size: 14px; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: #e5e9f0; }
.tab.active { color: #fff; border-bottom-color: #1f6feb; font-weight: 600; }

.content { padding: 14px; }
.panel { display: none; }
.panel.active { display: block; }

.card-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.card {
  background: #161b22; border: 1px solid #2a313c; border-radius: 8px;
  padding: 12px;
  max-width: 100%;
}
.card.big { grid-column: span 2; }
.card-label { font-size: 12px; color: #8b95a7; margin-bottom: 6px; }
.card-value { font-size: 18px; font-weight: 700; color: #fff; }
.card-sub { font-size: 12px; color: #8b95a7; margin-top: 4px; }
.card-value.up { color: #ff5d5d; }
.card-value.down { color: #4aa3ff; }

.chart-toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: #161b22; border: 1px solid #2a313c; border-radius: 8px;
  padding: 10px; margin-bottom: 10px;
}
.chart-toolbar label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #8b95a7; }
.chart-toolbar select, .chart-toolbar input[type="number"] {
  background: #0e1116; border: 1px solid #2a313c; border-radius: 6px;
  padding: 5px 8px; color: #e5e9f0;
}
.meta { font-size: 12px; color: #8b95a7; margin-left: auto; }

/* Period segmented control */
.seg { display: flex; gap: 2px; flex-wrap: wrap; }
.seg-btn {
  background: #1c232d; border: 1px solid #2a313c; color: #8b95a7;
  border-radius: 6px; padding: 6px 10px; font-size: 12px; min-width: 38px;
}
.seg-btn:hover { background: #232c38; color: #e5e9f0; }
.seg-btn.active { background: #1f6feb; border-color: #1f6feb; color: #fff; font-weight: 600; }

.indicator-toggle { display: flex; gap: 10px; flex-wrap: wrap; }
.indicator-toggle label {
  display: flex; align-items: center; gap: 4px; font-size: 12px; color: #8b95a7;
  background: #0e1116; border: 1px solid #2a313c; border-radius: 6px;
  padding: 4px 8px; cursor: pointer;
}
.indicator-toggle input[type="checkbox"] { accent-color: #1f6feb; }

.chart-area {
  width: 100%; height: 480px;
  background: #161b22; border: 1px solid #2a313c; border-radius: 8px;
  max-width: 100%;
}
.chart-tall { height: 720px; }
.chart-small { height: 280px; }
.chart-tiny { height: 200px; }

.masters-row { display: grid; grid-template-columns: 1fr 2fr; gap: 12px; }
.masters-card, .masters-detail {
  background: #161b22; border: 1px solid #2a313c; border-radius: 8px; padding: 12px;
}
.masters-grade {
  text-align: center; font-size: 32px; font-weight: 800;
  margin-top: 6px; letter-spacing: 1px;
}
.masters-grade.S { color: #ffd166; }
.masters-grade.A { color: #06d6a0; }
.masters-grade.B { color: #4aa3ff; }
.masters-grade.C { color: #d29922; }
.masters-grade.D { color: #f85149; }

.section-title { margin: 14px 0 8px; font-size: 14px; color: #8b95a7; font-weight: 600; }

.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li {
  background: #161b22; border: 1px solid #2a313c; border-radius: 8px;
  padding: 10px 12px; margin-bottom: 8px;
}
.news-empty { color: #8b95a7; text-align: center; }

.meta-row { font-size: 12px; color: #8b95a7; margin-top: 8px; }

.footer {
  text-align: center; padding: 10px; color: #8b95a7; font-size: 12px;
  border-top: 1px solid #2a313c; background: #11161d;
}
.footer-sep { margin: 0 6px; opacity: 0.5; }

.loading-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(14, 17, 22, 0.7);
  display: flex; align-items: center; justify-content: center;
}
.loading-overlay.hidden { display: none; }
.loading-box {
  background: #161b22; border: 1px solid #2a313c; border-radius: 12px;
  padding: 24px 32px; display: flex; flex-direction: column; align-items: center; gap: 14px;
  min-width: 180px;
}
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid #2a313c; border-top-color: #1f6feb;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 13px; color: #e5e9f0; }

@media (max-width: 768px) {
  .topbar { padding: 8px 10px; }
  .brand-name { font-size: 16px; }
  .controls { padding: 8px 10px; }
  .controls input[type="text"], .controls input[type="number"], .controls select { min-width: 0; flex: 1; }
  .tabs { padding: 0 10px; top: 50px; }
  .tab { padding: 10px 12px; font-size: 13px; }
  .content { padding: 10px; }
  .card.big { grid-column: span 1; }
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card-value { font-size: 16px; }
  .chart-area { height: 400px; }
  .chart-tall { height: 620px; }
  .chart-small { height: 220px; }
  .chart-tiny { height: 180px; }
  .masters-row { grid-template-columns: 1fr; }
  .meta { margin-left: 0; flex-basis: 100%; }
  .chart-toolbar { gap: 6px; padding: 8px; }
  .seg-btn { min-width: 32px; padding: 5px 8px; font-size: 11px; }
}

@media (min-width: 1200px) {
  .content { max-width: 1400px; margin: 0 auto; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .chart-area { height: 560px; }
  .chart-tall { height: 820px; }
}

.badge{
  display:inline-block; margin-left:6px; padding:2px 8px;
  border-radius:10px; font-size:11px; font-weight:600;
  background:#1f2937; color:#cbd5e1; border:1px solid #334155;
  vertical-align:middle;
}
.badge-krx{ background:#0b3a2b; color:#34d399; border-color:#065f46; }
.badge-nxt{ background:#3a2b0b; color:#fbbf24; border-color:#92400e; }
.badge-sor{ background:#0b2b3a; color:#38bdf8; border-color:#075985; }
.badge-all{ background:#2b0b3a; color:#c084fc; border-color:#6b21a8; }

.warning-card{
  margin: 0 0 10px 0; padding:10px 14px;
  background:#3a1f1f; color:#fca5a5; border:1px solid #7f1d1d;
  border-radius:8px; font-size:13px; line-height:1.5;
}
.warning-card.info{ background:#1e293b; color:#93c5fd; border-color:#1d4ed8; }
.warning-card.hidden{ display:none; }

.muted.small{ color:#8b95a7; font-size:11px; padding:4px 0 8px 0; }

.news-panel { padding: 12px; }
.news-meta { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-bottom:10px; font-size:12px; color:#666; }
.news-warning { margin:8px 0 12px; padding:10px 12px; border-radius:10px; background:#fff4e5; color:#8a5200; font-size:13px; }
.news-list { display:flex; flex-direction:column; gap:10px; }
.news-item { padding:12px; border:1px solid #e9e9e9; border-radius:12px; background:#fff; }
.news-item-title { font-size:14px; line-height:1.45; color:#111; font-weight:600; }
.news-item-meta { margin-top:6px; display:flex; gap:8px; flex-wrap:wrap; font-size:12px; color:#777; }
.news-empty { padding:20px 12px; text-align:center; color:#777; }
.news-empty-title { font-weight:700; color:#333; margin-bottom:6px; }
.news-badge { display:inline-block; padding:3px 8px; border-radius:999px; font-size:11px; font-weight:700; }
.news-badge-kis { background:#e8f1ff; color:#1f5fbf; }
.news-badge-fallback { background:#fff1f1; color:#c23b3b; }
.news-badge-muted { background:#f1f1f1; color:#666; }

.news-link{
  color: inherit;
  text-decoration: none;
}
.news-link:hover{
  text-decoration: underline;
}

/* 퀀트 검색 탭 그리드 레이아웃 */
.qs-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 768px) {
  /* 좁은 화면(모바일 등)에서는 1열 세로 배치로 변경 */
  .qs-grid {
    grid-template-columns: 1fr;
  }
}