:root {
  --bg: #14161f;
  --card-bg: #1d2029;
  --text: #e8e9ed;
  --text-muted: #9aa0ad;
  --border: #2b2f3a;
  --accent: #4361ee;
  --accent-2: #3a86ff;
  --accent-3: #06d6a0;
  --accent-4: #ffb703;
  --accent-5: #ef476f;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
  padding: 14px;
  min-height: 100vh;
}

#app {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 1400px;
  margin: 0 auto;
}
[hidden] { display: none !important; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  flex: 0 0 auto;
}

.header h1 {
  margin: 0;
  font-size: 1.3rem;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.filter-bar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  box-shadow: var(--shadow);
}

.filter-title {
  font-size: 0.85rem;
  font-weight: 600;
  padding-right: 16px;
  border-right: 1px solid var(--border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.filter-select {
  font: inherit;
  font-size: 0.82rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  min-width: 150px;
  cursor: pointer;
}

.filter-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.kpi-row {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: minmax(300px, auto);
  gap: 10px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card-wide {
  grid-column: span 2;
}

.card h2 {
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 600;
  flex: 0 0 auto;
}

.chart-wrap {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
}

.footer {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  .filter-title {
    border-right: 0;
    padding-right: 0;
    width: 100%;
  }
  .filter-group {
    flex: 1 1 100%;
  }
  .filter-select {
    flex: 1;
  }
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }
  .card-wide {
    grid-column: auto;
  }
  .card {
    min-height: 260px;
  }
}

.empty-notice {
  margin: 0 auto 12px;
  max-width: 1200px;
  padding: 10px 16px;
  border-radius: 8px;
  background: rgba(255, 183, 3, 0.12);
  color: #ffcf66;
  font-size: 14px;
}
.empty-notice[hidden] { display: none; }

.seg {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.seg-btn {
  font: inherit;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: 6px;
  padding: 5px 14px;
  cursor: pointer;
}
.seg-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.seg-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
@media (max-width: 900px) {
  .seg { flex: 1; }
  .seg-btn { flex: 1; }
}

.card-hint {
  margin: -4px 0 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== v2: 탭 / 앞장 / 인사이트 / 표 ===== */
.panel { display: flex; flex-direction: column; gap: 10px; }
.card-full { grid-column: 1 / -1; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { font: inherit; font-size: 0.8rem; color: var(--text); background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; padding: 10px 18px; font-size: 0.95rem; }
.btn-sm { font-size: 0.72rem; padding: 3px 8px; margin-left: 8px; }
.notice { margin: 0; padding: 8px 14px; border-radius: 8px; background: rgba(67, 97, 238, 0.1); color: var(--text); font-size: 0.8rem; border: 1px solid rgba(67, 97, 238, 0.3); }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.tabs a { padding: 8px 14px; font-size: 0.86rem; color: var(--text-muted); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.filter-bar { position: sticky; top: 0; z-index: 20; }
.badge { font-size: 0.72rem; color: var(--text-muted); min-height: 1em; }
.badge.up { color: #0a9d6e; } .badge.down { color: #d6335a; }
.sub { font-size: 0.7rem; color: var(--text-muted); }
.growth-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.growth-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 8px 14px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.growth-card b { font-size: 1.15rem; }
.insight { margin: 0; padding: 10px 14px; border-left: 4px solid var(--accent); background: var(--card-bg); border-radius: 0 8px 8px 0; font-size: 0.86rem; line-height: 1.55; box-shadow: var(--shadow); }
.insight.small { margin-top: 8px; font-size: 0.8rem; box-shadow: none; background: var(--bg); }
.warn { margin: 0; padding: 10px 14px; border-radius: 8px; background: rgba(255, 183, 3, 0.12); color: #ffcf66; font-size: 0.82rem; line-height: 1.5; }
.tag { display: inline-block; font-size: 0.66rem; font-weight: 500; color: var(--text-muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; margin-left: 6px; }
.tag-block { margin: 0; padding: 4px 12px; font-size: 0.76rem; align-self: flex-start; }
.chart-wrap.short { min-height: 150px; flex: 1 1 150px; }
.chart-wrap.tall { min-height: 300px; }
.card { min-height: 300px; }
.card-full, .card:has(.table-wrap) { min-height: 0; }
.table-wrap { overflow: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.tbl th { text-align: left; padding: 6px 8px; border-bottom: 2px solid var(--border); color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.tbl td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
.tbl .pos { color: #0a9d6e; } .tbl .neg { color: #d6335a; }
.heat td.hc { text-align: center; min-width: 64px; }
.heat td.other { color: var(--text-muted); background: var(--bg); }
.heat tbody tr { cursor: pointer; }
.heat tr.sel td:first-child { box-shadow: inset 3px 0 0 var(--accent-5); }
.seg-inline { align-self: flex-start; margin-bottom: 6px; }
.rfm-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; }
.rfm-card { min-height: 0; border-top: 4px solid var(--accent); gap: 2px; }
.rfm-card.g-B { border-top-color: var(--accent-2); } .rfm-card.g-C { border-top-color: var(--accent-4); } .rfm-card.g-D { border-top-color: var(--accent-5); }
.rfm-card h3 { margin: 0; font-size: 0.9rem; } .rfm-card b { font-size: 1.3rem; } .rfm-card p { margin: 2px 0; font-size: 0.78rem; } .rfm-card .act { color: var(--text-muted); }
.strategy { display: flex; flex-direction: column; gap: 10px; }
.strategy .card { min-height: 0; } .strategy li { margin: 6px 0; font-size: 0.88rem; line-height: 1.5; }
.act-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.act-card { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; position: relative; }
.act-card h3 { margin: 0 0 4px 28px; font-size: 0.9rem; } .act-card p { margin: 4px 0; font-size: 0.8rem; line-height: 1.5; }
.act-card .why { color: var(--text-muted); }
.num { position: absolute; left: 10px; top: 10px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 0.72rem; display: grid; place-items: center; }
.footnote { margin: 8px 0 0; font-size: 0.72rem; color: var(--text-muted); line-height: 1.5; }

/* 앞장 */
.cover-inner { max-width: 1100px; margin: 0 auto; padding: 10px 0 30px; display: flex; flex-direction: column; gap: 14px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 600; font-size: 0.85rem; }
.cover h1 { margin: 0; font-size: 2rem; }
.cover-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.cover-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cover-grid .card { min-height: 260px; }
.cover-insights ul { margin: 6px 0 0; padding-left: 18px; } .cover-insights li { margin: 10px 0; font-size: 0.9rem; line-height: 1.55; }
.cover-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
@media (max-width: 900px) { .cover-grid { grid-template-columns: 1fr; } .cover h1 { font-size: 1.5rem; } }

@media print {
  :root { --bg: #fff; --card-bg: #fff; --text: #1f2430; --text-muted: #6b7280; --border: #e5e7eb; --shadow: none; }
  body { background: #fff; padding: 0; }
  .tabs, .filter-bar, .header-actions, .cover-actions, .btn, .seg-inline { display: none !important; }
  .card, .kpi-card { box-shadow: none; break-inside: avoid; }
  .grid { grid-auto-rows: auto; }
  .panel[hidden] { display: none !important; }
  .cover-inner { max-width: none; }
  @page { size: A4; margin: 12mm; }
}