:root {
  --bg: #0b1020;
  --panel: #121a2d;
  --panel-2: #17213a;
  --muted: #8ea0c0;
  --text: #edf3ff;
  --accent: #5dd4ff;
  --accent-2: #7df7c4;
  --border: #273552;
  --danger: #ff7b93;
  --warning: #ffcc66;
  --success: #57d9a3;
  --info: #8cc8ff;
  --restricted: #d4a5ff;
  --insecure: #ffb86b;
  --shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
  --tag: #213150;
  --match: #fff0a8;
  --focus: #ffffff;
}

body.light {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-2: #f6f9ff;
  --muted: #5a6f92;
  --text: #12203a;
  --accent: #0069c2;
  --accent-2: #008a5c;
  --border: #d9e3f3;
  --danger: #b42318;
  --warning: #9a6700;
  --success: #05603a;
  --info: #0b5cab;
  --restricted: #7a39b6;
  --insecure: #a15a00;
  --shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
  --tag: #edf3ff;
  --match: #ffe96b;
  --focus: #12203a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 80%, black));
  color: var(--text);
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input[type="search"] {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 0.85rem 1rem;
}

.page-shell {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: var(--panel);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--accent);
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
}

.hero,
.toolbar,
.stats-grid,
.content-stack,
.footer {
  margin-bottom: 1rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  padding: 1.3rem;
  background: color-mix(in srgb, var(--panel) 95%, transparent);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0.3rem 0;
  font-size: clamp(1.9rem, 5vw, 3rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-text {
  margin: 0.2rem 0 0;
  max-width: 70ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.build-theme-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.4rem;
}

.build-badge-inline {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.55rem 0.75rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  min-width: 170px;
}

.build-badge__version {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent);
  text-align: right;
}

.build-badge__time {
  font-size: 0.76rem;
  color: var(--muted);
  text-align: right;
  line-height: 1.35;
  word-break: break-word;
}

.build-badge__source {
  font-size: 0.74rem;
  color: var(--accent-2);
  text-align: right;
  line-height: 1.35;
  word-break: break-word;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.search-wrap {
  flex: 1 1 340px;
  min-width: 260px;
}

.checkbox-wrap {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 1rem 1.1rem;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.stat-card strong {
  font-size: 1.6rem;
}

.content-stack {
  display: grid;
  gap: 1rem;
}

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

.panel-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.subtle {
  color: var(--muted);
  font-size: 0.92rem;
}

.details-panel-horizontal .panel-header {
  padding-bottom: 0.6rem;
}

.details-panel-horizontal .details-card {
  padding-top: 0;
  padding-bottom: 0.9rem;
}

.tree-panel .tree-container {
  padding-top: 0.6rem;
}

.tree-container {
  padding: 0.6rem 1rem 1rem;
  min-height: 60vh;
  overflow: auto;
}

.details-card {
  padding: 0.75rem 1rem 1rem;
}

.tree-root,
.tree-root ul {
  list-style: none;
  margin: 0;
  padding-left: 1rem;
}

.tree-root {
  padding-left: 0;
}

.tree-node {
  margin: 0.3rem 0;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2rem;
  padding: 0.12rem 0.2rem;
  border-radius: 10px;
  flex-wrap: wrap;
}

.tree-row:hover {
  background: color-mix(in srgb, var(--panel-2) 75%, transparent);
}

.tree-row.selected {
  outline: 1px solid var(--accent);
  background: color-mix(in srgb, var(--panel-2) 90%, transparent);
}

.toggle-btn {
  width: 1.7rem;
  height: 1.7rem;
  padding: 0;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
}

.toggle-placeholder {
  display: inline-block;
  width: 1.7rem;
  height: 1.7rem;
}

.node-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  background: transparent;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  border-radius: 8px;
}

.node-label[aria-current="true"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.node-label:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}

.tree-open-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.25rem;
  padding: 0.35rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--accent);
  text-decoration: none;
  margin-left: auto;
}

.tree-open-btn:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.inline-node-details {
  margin: 0.35rem 0 0.5rem 2.25rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  padding: 0.85rem 0.95rem;
}

.inline-node-details__body {
  display: grid;
  gap: 0.7rem;
}

.inline-node-details__description {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.inline-node-details__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.inline-node-details__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.node-icon {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
}

.node-icon.folder {
  background: var(--accent-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-size: 0.74rem;
  border: 1px solid var(--border);
  background: var(--tag);
  color: var(--text);
}

.badge.account {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  color: var(--danger);
}

.badge.category-meta {
  border-color: color-mix(in srgb, var(--info) 55%, var(--border));
  color: var(--info);
}

.badge.verify-fresh {
  border-color: color-mix(in srgb, var(--success) 55%, var(--border));
  color: var(--success);
}

.badge.verify-aging {
  border-color: color-mix(in srgb, var(--warning) 55%, var(--border));
  color: var(--warning);
}

.badge.verify-stale {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  color: var(--danger);
}

.badge.verify-unknown {
  border-color: color-mix(in srgb, var(--muted) 50%, var(--border));
  color: var(--muted);
}

.badge.restricted-badge {
  border-color: color-mix(in srgb, var(--restricted) 55%, var(--border));
  color: var(--restricted);
}

.badge.insecure-link {
  border-color: color-mix(in srgb, var(--insecure) 55%, var(--border));
  color: var(--insecure);
}

.badge.invalid-link {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  color: var(--danger);
}

.children.collapsed {
  display: none;
}

.hidden {
  display: none !important;
}

mark {
  background: var(--match);
  color: #111;
  border-radius: 0.25rem;
  padding: 0 0.15rem;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8.5rem;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, white));
  color: #071220;
  font-weight: 700;
  text-decoration: none;
}

.primary-link:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

.secondary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8.5rem;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
}

.secondary-btn:hover,
.ghost-btn:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.secondary-btn--disabled {
  opacity: 0.7;
  cursor: not-allowed;
  user-select: none;
}

#copy-share-btn.copied {
  border-color: color-mix(in srgb, var(--success) 55%, var(--border));
  color: var(--success);
}

#copy-share-btn.copy-failed {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  color: var(--danger);
}

.legend-card {
  margin-top: 0;
  padding: 0.75rem 1rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
}

.legend-title {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.legend-grid {
  display: grid;
  gap: 0.65rem;
}

.legend-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 0.85rem;
  align-items: start;
}

.legend-item span:last-child {
  color: var(--muted);
  line-height: 1.45;
}

.footer {
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  color: var(--muted);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 980px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions {
    align-items: stretch;
  }

  .build-theme-stack {
    width: 100%;
  }

  .build-badge-inline {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, 1400px);
  }

  .legend-item {
    grid-template-columns: 1fr;
  }

  .build-theme-stack {
    width: 100%;
  }

  .build-badge-inline {
    width: 100%;
    min-width: 0;
  }

  .inline-node-details {
    margin-left: 0.5rem;
  }

  .tree-open-btn {
    margin-left: 0;
  }
}