:root {
  --charter-blue: #7fa8d9;
  --charter-blue-soft: #b7cce6;
  --charter-green: #8bc5a6;
  --charter-green-soft: #cfe6d6;
  --charter-dark: #2e3a46;
  --bg: #f3f7fb;
  --bg-elevated: #ffffff;
  --bg-hover: #e8f0f8;
  --text: #2e3a46;
  --text-muted: #5f6d7d;
  --border: #d5e2ef;
  --accent: #7fa8d9;
  --accent-strong: #5f8fc8;
  --accent-soft: #b7cce6;
  --accent-green: #8bc5a6;
  --positive: #8bc5a6;
  --negative: #c45c5c;
  --badge-bg: #cfe6d6;
  --badge-text: #2e5a40;
  --shadow: 0 8px 24px rgba(46, 58, 70, 0.08);
  --header-bg: #f8fafc;
  --table-stripe: #f8fbfe;
  --hero-gradient: linear-gradient(135deg, rgba(127, 168, 217, 0.14), rgba(139, 197, 166, 0.18));
}

[hidden] {
  display: none !important;
}

[data-theme="dark"] {
  --bg: #24303b;
  --bg-elevated: #2e3a46;
  --bg-hover: #364554;
  --text: #eef3f8;
  --text-muted: #b7cce6;
  --border: #3d4d5d;
  --accent: #7fa8d9;
  --accent-strong: #9bc0e4;
  --accent-soft: #3d5570;
  --accent-green: #8bc5a6;
  --positive: #8bc5a6;
  --negative: #f08a8a;
  --badge-bg: #355246;
  --badge-text: #cfe6d6;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  --header-bg: #2e3a46;
  --table-stripe: #28343f;
  --hero-gradient: linear-gradient(135deg, rgba(127, 168, 217, 0.12), rgba(139, 197, 166, 0.1));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--header-bg) 94%, var(--charter-blue-soft));
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark-wrap {
  position: relative;
  display: block;
  width: min(240px, 54vw);
  aspect-ratio: 924 / 333;
  flex: 0 0 auto;
}

.brand-mark {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left top;
}

.brand-mark--dark {
  visibility: hidden;
  opacity: 0;
}

[data-theme="dark"] .brand-mark--light {
  visibility: hidden;
  opacity: 0;
}

[data-theme="dark"] .brand-mark--dark {
  visibility: visible;
  opacity: 1;
}

[data-theme="dark"] .site-header {
  background: var(--header-bg);
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-icon--dark {
  display: none;
}

[data-theme="dark"] .theme-toggle-icon--light {
  display: none;
}

[data-theme="dark"] .theme-toggle-icon--dark {
  display: inline-flex;
}

.theme-toggle {
  color: var(--text-muted);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--accent-soft);
}

.brand-copy,
.brand-tagline,
.brand-bolt {
  display: none;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.brand-logo {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--charter-blue), var(--charter-green));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  font-size: 0.75rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--bg-hover);
}

.btn-icon {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  display: grid;
  place-items: center;
}

.badge-active {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.hero {
  padding: 1.75rem 0 1rem;
  background: var(--hero-gradient);
  border-radius: 1rem;
  margin-top: 1rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

.hero-lead {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  max-width: 70ch;
  font-size: 0.95rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.breakdown-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.breakdown-chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.breakdown-chip--active {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-elevated));
  border-color: var(--accent);
  color: var(--text);
}

.breakdown-chip strong {
  color: var(--text);
}

.view-tabs {
  display: flex;
  gap: 0.35rem;
  margin-top: 1.25rem;
  margin-bottom: 0.85rem;
  padding: 0.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  width: fit-content;
}

.view-tab {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 0.45rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.view-tab:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.view-tab.active {
  background: linear-gradient(90deg, var(--charter-blue), var(--charter-green));
  color: #fff;
}

.stat-value--largest {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  line-height: 1.2;
}

.stat-largest-aum {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-largest-name {
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-muted);
}

.provider-row,
.fund-row {
  cursor: pointer;
}

.provider-row:hover .etf-name,
.fund-row:hover .etf-name {
  color: var(--accent);
}

.drill-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.drill-crumb {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: 0.45rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.drill-crumb:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.fund-recap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem 1.5rem;
  margin-bottom: 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: var(--bg-elevated);
}

.fund-recap-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.fund-recap-name {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.35;
}

.fund-recap-meta {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.fund-recap-aum {
  font-weight: 700;
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.share-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: flex-end;
}

.share-bar-track {
  width: 4rem;
  height: 0.35rem;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.share-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--charter-blue), var(--charter-green));
  border-radius: 999px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: start;
}

@media (max-width: 900px) {
  .controls {
    grid-template-columns: 1fr;
  }
}

.search-wrap {
  position: relative;
}

.search-wrap input {
  width: 100%;
  padding: 0.65rem 0.85rem 0.65rem 2.35rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.95rem;
}

.search-wrap input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filters select {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.85rem;
  min-width: 140px;
}

.table-wrap {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border);
}

th {
  text-align: left;
  padding: 0.75rem 0.85rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
  user-select: none;
}

th.sortable {
  cursor: pointer;
}

th.sortable:hover {
  color: var(--text);
}

th .sort-indicator {
  margin-left: 0.25rem;
  opacity: 0.45;
}

th.sorted .sort-indicator {
  opacity: 1;
  color: var(--accent);
}

td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody tr:nth-child(even) {
  background: var(--table-stripe);
}

tbody tr:nth-child(even):hover {
  background: var(--bg-hover);
}

.rank {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  width: 3rem;
}

.provider-largest {
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  max-width: 14rem;
}

.provider-largest small {
  display: block;
  font-weight: 600;
  color: var(--text);
  font-size: 0.72rem;
  margin-top: 0.2rem;
}

.etf-name {
  font-weight: 600;
  max-width: 320px;
}

.etf-name small {
  display: block;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 0.1rem;
}

.mono {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", monospace;
  font-size: 0.82rem;
}

.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.text-right {
  text-align: right;
}

.empty-state,
.loading-state,
.error-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}

.footer {
  padding: 2rem 0 2.5rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer p {
  margin: 0.35rem 0;
}

.results-meta {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }

  .etf-name {
    max-width: 200px;
  }
}