:root {
  --bg: #edf2f4;
  --bg-grad-a: #d7eef2;
  --bg-grad-b: #dcebf0;
  --surface: #ffffff;
  --card-surface: #ffffff;
  --surface-muted: #f6fafb;
  --ink: #14222d;
  --summary-ink: #203340;
  --ink-muted: #4f6170;
  --border: #cdd8df;
  --accent: #0b7285;
  --accent-strong: #0a5f71;
  --relation-bg: #eaf6f8;
  --header-grad-start: #f6fdff;
  --header-grad-end: #f3faf8;
  --code-bg: #0f2730;
  --code-ink: #dceff5;
  --code-border: #294b57;
  --good: #2f9e44;
  --brand-violet: #5b21b6;
  --brand-violet-strong: #4c1d95;
  --brand-violet-soft: #ede9fe;
  --brand-violet-softer: #f5f3ff;
  --brand-violet-border: #d8ccff;
  --brand-violet-ink: #3b148a;
  --radius: 14px;
  --shadow: 0 12px 28px rgba(20, 34, 45, 0.08);
}

:root[data-theme="dark"] {
  --bg: #081017;
  --bg-grad-a: #102532;
  --bg-grad-b: #122936;
  --surface: #0f1b24;
  --card-surface: #12212b;
  --surface-muted: #162732;
  --ink: #e8f3f8;
  --summary-ink: #d4e8f2;
  --ink-muted: #95acbc;
  --border: #2b4655;
  --accent: #52b9ca;
  --accent-strong: #74d6e4;
  --relation-bg: #18313d;
  --header-grad-start: #10202b;
  --header-grad-end: #132831;
  --code-bg: #09141a;
  --code-ink: #d6edf5;
  --code-border: #274553;
  --brand-violet: #8b5cf6;
  --brand-violet-strong: #a78bfa;
  --brand-violet-soft: #1b1430;
  --brand-violet-softer: #151022;
  --brand-violet-border: #3d2f66;
  --brand-violet-ink: #d7c9ff;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #081017;
    --bg-grad-a: #102532;
    --bg-grad-b: #122936;
    --surface: #0f1b24;
    --card-surface: #12212b;
    --surface-muted: #162732;
    --ink: #e8f3f8;
    --summary-ink: #d4e8f2;
    --ink-muted: #95acbc;
    --border: #2b4655;
    --accent: #52b9ca;
    --accent-strong: #74d6e4;
    --relation-bg: #18313d;
    --header-grad-start: #10202b;
    --header-grad-end: #132831;
    --code-bg: #09141a;
    --code-ink: #d6edf5;
    --code-border: #274553;
    --brand-violet: #8b5cf6;
    --brand-violet-strong: #a78bfa;
    --brand-violet-soft: #1b1430;
    --brand-violet-softer: #151022;
    --brand-violet-border: #3d2f66;
    --brand-violet-ink: #d7c9ff;
    --shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "IBM Plex Sans JP", "Noto Sans JP", "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, var(--bg-grad-a), transparent 42%),
    radial-gradient(circle at 100% 10%, var(--bg-grad-b), transparent 38%),
    var(--bg);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-strong);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.header {
  background: linear-gradient(148deg, var(--header-grad-start) 0%, var(--header-grad-end) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.locale-select {
  width: auto;
  min-width: 160px;
  border-radius: 999px;
  background: var(--card-surface);
  color: var(--ink);
  border: 1px solid var(--border);
  padding: 8px 12px;
}

.header-admin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--card-surface));
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  transition: transform 140ms ease, background-color 140ms ease;
}

.header-admin-link:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--accent) 18%, var(--card-surface));
}

.header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.3vw, 2.1rem);
  letter-spacing: 0.02em;
}

.header p {
  margin: 10px 0 0;
  color: var(--ink-muted);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.meta-chip {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card-surface);
  font-size: 0.86rem;
}

.admin-gateway {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 16px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 92%, var(--accent) 8%), var(--surface)),
    var(--surface);
  box-shadow: var(--shadow);
}

.admin-gateway::before {
  content: "";
  position: absolute;
  inset: -120px;
  z-index: -1;
  opacity: 0.28;
  background: conic-gradient(from 80deg, transparent 0deg, var(--accent) 60deg, transparent 140deg);
  filter: blur(48px);
  animation: adminHaloSpin 14s linear infinite;
}

.admin-kicker {
  margin: 0;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}

.admin-gateway-head h2 {
  margin: 6px 0 0;
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
}

.admin-gateway-head p {
  margin: 8px 0 0;
  color: var(--ink-muted);
}

.admin-gateway-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.admin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 700;
  transition: transform 130ms ease, background-color 130ms ease, color 130ms ease;
}

.admin-link.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.admin-link.primary:hover {
  background: var(--accent-strong);
  color: #ffffff;
  transform: translateY(-1px);
}

.admin-link.secondary {
  background: color-mix(in srgb, var(--surface-muted) 88%, white 12%);
  color: var(--ink);
}

.admin-link.secondary:hover {
  background: var(--surface-muted);
  color: var(--ink);
  transform: translateY(-1px);
}

.admin-gateway-meta {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-gateway-meta li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--ink-muted);
  background: color-mix(in srgb, var(--surface-muted) 84%, white 16%);
}

.podcast-preview {
  margin-top: 16px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--brand-violet) 32%, var(--border));
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand-violet-soft) 70%, transparent), transparent 44%),
    linear-gradient(140deg, color-mix(in srgb, var(--surface) 92%, var(--brand-violet-soft) 8%), var(--surface));
  box-shadow: var(--shadow);
}

.podcast-preview-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.podcast-preview-kicker {
  margin: 0;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--brand-violet-ink);
}

.podcast-preview-head h2 {
  margin: 6px 0 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.podcast-preview-head p:last-child {
  margin-top: 8px;
  color: var(--ink-muted);
  max-width: 780px;
}

.podcast-preview-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.podcast-preview-grid {
  margin-top: 18px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.podcast-preview-empty {
  display: grid;
  place-items: center;
  min-height: 148px;
  border: 1px dashed color-mix(in srgb, var(--brand-violet) 28%, var(--border));
  border-radius: 18px;
  background: color-mix(in srgb, var(--brand-violet-soft) 32%, var(--surface));
  color: var(--ink-muted);
}

.podcast-home-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--brand-violet) 18%, var(--border));
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 95%, var(--brand-violet-softer) 5%), var(--surface));
  box-shadow: 0 14px 30px rgba(20, 34, 45, 0.08);
}

.podcast-home-meta,
.podcast-home-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.podcast-home-badge,
.podcast-home-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.podcast-home-badge {
  background: color-mix(in srgb, var(--brand-violet) 12%, var(--surface));
  color: var(--brand-violet-ink);
  border: 1px solid color-mix(in srgb, var(--brand-violet) 22%, var(--border));
}

.podcast-home-chip {
  background: color-mix(in srgb, var(--surface-muted) 90%, white 10%);
  color: var(--ink-muted);
  border: 1px solid var(--border);
}

.podcast-home-title {
  margin: 0;
  font-size: 1.08rem;
}

.podcast-home-summary,
.podcast-home-published {
  margin: 0;
  color: var(--ink-muted);
}

.podcast-home-player {
  width: 100%;
  min-height: 46px;
}

.layout {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  grid-template-columns: 280px 1fr;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel h2,
.panel h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.controls {
  display: grid;
  gap: 10px;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0.03em;
}

input,
select,
button,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  color: inherit;
  background: var(--card-surface);
  padding: 10px 12px;
}

input:focus,
select:focus,
button:focus,
textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, white);
  outline-offset: 1px;
}

button {
  cursor: pointer;
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  transition: background-color 120ms ease;
}

button:hover {
  background: var(--accent-strong);
}

button.secondary {
  background: var(--card-surface);
  color: var(--accent);
}

button.secondary:hover {
  background: var(--surface-muted);
}

.result-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.result-count {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.concept-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.concept-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: var(--card-surface);
}

.card-top {
  display: grid;
  gap: 8px;
  grid-template-columns: auto 1fr;
  align-items: flex-start;
}

.card-main {
  min-width: 0;
}

.card-main h3 {
  margin: 0;
  font-size: 1rem;
}

.subtitle {
  margin-top: 3px;
  font-size: 0.87rem;
  color: var(--ink-muted);
  word-break: break-word;
}

.summary {
  margin: 10px 0 0;
  color: var(--summary-ink);
}

.tags,
.relations {
  margin-top: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag,
.rel {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.78rem;
  background: var(--surface-muted);
}

.rel {
  background: var(--relation-bg);
}

.tiny {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.code-block {
  margin-top: 10px;
  font-family: "IBM Plex Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  background: var(--code-bg);
  color: var(--code-ink);
  border-radius: 12px;
  border: 1px solid var(--code-border);
  padding: 11px;
  min-height: 150px;
  white-space: pre-wrap;
}

.theme-toggle {
  width: auto;
  min-width: 150px;
  border-color: var(--border);
  background: var(--card-surface);
  color: var(--ink);
  font-weight: 650;
  border-radius: 999px;
  padding: 8px 14px;
}

.theme-toggle:hover {
  background: color-mix(in srgb, var(--accent) 13%, var(--card-surface));
}

.path-nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.theme-toggle-label {
  white-space: nowrap;
}

.footer-note {
  margin-top: 16px;
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.path-nav {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.concept-detail h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.concept-detail .lead {
  margin: 10px 0 0;
  color: var(--ink-muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.kv {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: var(--surface-muted);
}

.kv dt {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.kv dd {
  margin: 4px 0 0;
}

ul.clean {
  margin: 8px 0 0;
  padding-left: 17px;
}

.empty {
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  text-align: center;
  color: var(--ink-muted);
}

/* Home top page (index.html) redesign inspired by dashboard-like catalog UIs */
body.home-index {
  background:
    radial-gradient(circle at 12% -4%, color-mix(in srgb, var(--brand-violet) 12%, transparent), transparent 46%),
    radial-gradient(circle at 92% 3%, color-mix(in srgb, var(--brand-violet) 10%, transparent), transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-soft) 34%, var(--bg)) 0%, var(--bg) 36%);
}

.home-index .page.home-shell {
  max-width: 1380px;
  padding-top: 18px;
  padding-bottom: 56px;
}

.home-index .header {
  padding: 0;
  overflow: hidden;
  border-radius: 22px;
  border-color: color-mix(in srgb, var(--brand-violet-border) 50%, var(--border));
  background: color-mix(in srgb, var(--surface) 93%, var(--brand-violet-softer));
  box-shadow: 0 18px 40px rgba(29, 22, 56, 0.10), var(--shadow);
}

.home-index .header-top {
  position: relative;
  padding: 16px 18px;
  align-items: center;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.16), transparent 44%),
    linear-gradient(135deg, var(--brand-violet-strong) 0%, var(--brand-violet) 58%, #6d28d9 100%);
  color: #fff;
}

.home-index .header-top h1 {
  color: #fff;
  font-size: clamp(1.4rem, 2.2vw, 2.05rem);
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.home-index .header-top h1::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(145deg, #ffffff 0%, rgba(255, 255, 255, 0.55) 100%);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.home-index .header-actions {
  gap: 10px;
  justify-content: flex-end;
}

.home-index .header-admin-link,
.home-index .locale-select,
.home-index .theme-toggle {
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.home-index .header-admin-link {
  border-radius: 12px;
  font-weight: 700;
  padding: 9px 12px;
}

.home-index .header-admin-link:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.home-index .locale-select {
  min-width: 150px;
  border-radius: 12px;
}

.home-index .theme-toggle {
  min-width: 136px;
  border-radius: 12px;
}

.home-index .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.home-index .hero-body {
  padding: 18px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-softer) 36%, var(--surface)) 0%, var(--surface) 100%);
}

.home-index .header p {
  margin-top: 0;
  color: var(--ink-muted);
  max-width: 78ch;
  font-size: 1rem;
}

.home-index .meta-row {
  margin-top: 14px;
  gap: 8px;
}

.home-index .meta-chip {
  border-radius: 999px;
  border-color: color-mix(in srgb, var(--brand-violet-border) 60%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-soft) 38%, var(--card-surface));
  color: color-mix(in srgb, var(--brand-violet-ink) 75%, var(--ink));
  font-weight: 600;
  padding: 7px 11px;
}

.home-index .home-nav-tabs {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-muted) 88%, var(--surface));
}

.home-index .home-nav-tab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 10px 14px;
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 700;
  border-right: 1px solid var(--border);
  transition: background-color 140ms ease, color 140ms ease;
}

.home-index .home-nav-tab:last-child {
  border-right: 0;
}

.home-index .home-nav-tab:hover {
  background: color-mix(in srgb, var(--brand-violet-soft) 24%, var(--surface));
  color: var(--ink);
}

.home-index .home-nav-tab.is-active {
  background: color-mix(in srgb, var(--brand-violet-soft) 34%, var(--surface));
  color: color-mix(in srgb, var(--brand-violet-ink) 90%, var(--ink));
}

.home-index .home-nav-tab.is-active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 0;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg, var(--brand-violet-strong), var(--brand-violet));
}

.home-index .admin-gateway {
  margin-top: 18px;
  padding: 20px;
  border-radius: 22px;
  border-color: color-mix(in srgb, var(--brand-violet-border) 70%, var(--border));
  background:
    radial-gradient(circle at 95% 0%, rgba(124, 58, 237, 0.12), transparent 52%),
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-softer) 45%, var(--surface)) 0%, color-mix(in srgb, var(--brand-violet-soft) 26%, var(--surface)) 100%);
  box-shadow: 0 18px 36px rgba(58, 33, 120, 0.08), var(--shadow);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px 18px;
  align-items: start;
}

.home-index .admin-gateway::before {
  display: none;
}

.home-index .admin-kicker {
  color: color-mix(in srgb, var(--brand-violet-ink) 68%, var(--ink-muted));
  font-weight: 800;
  letter-spacing: 0.16em;
}

.home-index .admin-gateway-head h2 {
  margin-top: 8px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.18;
}

.home-index .admin-gateway-head p:last-child {
  margin-top: 10px;
  max-width: 54ch;
}

.home-index .admin-gateway-actions {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-content: start;
}

.home-index .admin-link {
  min-height: 50px;
  justify-content: space-between;
  border-radius: 14px;
  padding: 11px 14px;
  background: var(--card-surface);
}

.home-index .admin-link::after {
  content: "→";
  font-size: 1rem;
  opacity: 0.85;
}

.home-index .admin-link.primary {
  background: linear-gradient(135deg, var(--brand-violet-strong), var(--brand-violet));
  border-color: color-mix(in srgb, var(--brand-violet) 75%, #fff);
}

.home-index .admin-link.primary:hover {
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand-violet-strong) 92%, #fff 8%), var(--brand-violet));
}

.home-index .admin-link.secondary {
  border-color: color-mix(in srgb, var(--brand-violet-border) 65%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-soft) 18%, var(--card-surface));
}

.home-index .admin-gateway-meta {
  grid-column: 1 / -1;
  margin-top: 0;
  gap: 10px;
}

.home-index .admin-gateway-meta li {
  padding: 6px 11px;
  border-radius: 999px;
  border-color: color-mix(in srgb, var(--brand-violet-border) 55%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-soft) 24%, var(--surface));
  color: var(--ink-muted);
  font-weight: 600;
}

.home-index .layout {
  margin-top: 18px;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.home-index .layout:first-of-type .panel-filter {
  position: sticky;
  top: 16px;
}

.home-index .panel {
  border-radius: 22px;
  border-color: color-mix(in srgb, var(--brand-violet-soft) 22%, var(--border));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-softer) 16%, var(--surface)) 0%, var(--surface) 100%);
  box-shadow: 0 14px 28px rgba(26, 21, 50, 0.06), var(--shadow);
  padding: 18px;
}

.home-index .panel h2,
.home-index .panel h3 {
  margin-bottom: 12px;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.home-index .panel-filter h2 {
  font-size: 1.1rem;
}

.home-index label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--brand-violet-ink) 30%, var(--ink-muted));
}

.home-index input,
.home-index select,
.home-index button,
.home-index textarea {
  border-radius: 14px;
  padding: 11px 13px;
  border-color: color-mix(in srgb, var(--brand-violet-soft) 32%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-softer) 15%, var(--card-surface));
}

.home-index input:focus,
.home-index select:focus,
.home-index button:focus,
.home-index textarea:focus {
  outline-color: color-mix(in srgb, var(--brand-violet) 45%, #fff);
}

.home-index button {
  background: linear-gradient(135deg, var(--brand-violet-strong), var(--brand-violet));
  border-color: color-mix(in srgb, var(--brand-violet) 75%, #fff);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.home-index button:hover {
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand-violet-strong) 92%, #fff 8%), var(--brand-violet));
}

.home-index button.secondary {
  background: var(--card-surface);
  color: var(--brand-violet-ink);
  border-color: color-mix(in srgb, var(--brand-violet-border) 70%, var(--border));
}

.home-index button.secondary:hover {
  background: color-mix(in srgb, var(--brand-violet-soft) 20%, var(--card-surface));
}

.home-index .panel-filter ul.clean {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.home-index .panel-filter ul.clean li a {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--brand-violet-soft) 28%, var(--border));
  border-radius: 14px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--brand-violet-softer) 16%, var(--card-surface));
  color: var(--brand-violet-ink);
  text-decoration: none;
}

.home-index .panel-filter ul.clean li a::before {
  content: "◈";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--brand-violet);
  font-size: 0.9rem;
}

.home-index .panel-filter ul.clean li a:hover {
  background: color-mix(in srgb, var(--brand-violet-soft) 24%, var(--card-surface));
}

.home-index .result-head {
  margin: -2px -2px 14px;
  padding: 2px;
  align-items: center;
}

.home-index .result-head h2 {
  font-size: 1.08rem;
}

.home-index .result-count {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand-violet-soft) 28%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-softer) 16%, var(--surface));
  font-weight: 700;
}

.home-index .concept-list {
  gap: 12px;
}

.home-index .concept-card {
  border-radius: 18px;
  border-color: color-mix(in srgb, var(--brand-violet-soft) 24%, var(--border));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-softer) 12%, var(--card-surface)) 0%, var(--card-surface) 100%);
  box-shadow: 0 10px 20px rgba(27, 21, 52, 0.04);
  padding: 14px;
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.home-index .concept-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand-violet-border) 78%, var(--border));
  box-shadow: 0 16px 28px rgba(32, 22, 64, 0.10);
}

.home-index .card-top {
  gap: 12px;
  grid-template-columns: 22px 1fr;
}

.home-index .card-top input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  accent-color: var(--brand-violet);
}

.home-index .card-main h3 {
  font-size: 1.02rem;
}

.home-index .card-main h3 a {
  color: color-mix(in srgb, var(--brand-violet-ink) 72%, var(--ink));
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.home-index .card-main h3 a:hover {
  color: var(--brand-violet);
  border-bottom-color: color-mix(in srgb, var(--brand-violet) 60%, transparent);
}

.home-index .subtitle {
  margin-top: 4px;
  color: var(--ink-muted);
}

.home-index .summary {
  margin-top: 10px;
  color: var(--summary-ink);
  line-height: 1.55;
}

.home-index .tiny {
  margin-top: 8px;
  color: var(--ink-muted);
}

.home-index .tags,
.home-index .relations {
  margin-top: 10px;
  gap: 7px;
}

.home-index .tag,
.home-index .rel {
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 650;
  border-color: color-mix(in srgb, var(--brand-violet-border) 60%, var(--border));
}

.home-index .tag {
  background: color-mix(in srgb, var(--brand-violet-soft) 22%, var(--surface-muted));
  color: color-mix(in srgb, var(--brand-violet-ink) 74%, var(--ink));
}

.home-index .rel {
  background: color-mix(in srgb, #dbeafe 60%, var(--relation-bg));
  color: color-mix(in srgb, #3730a3 62%, var(--accent));
  text-decoration: none;
}

.home-index .rel:hover {
  background: color-mix(in srgb, #c7d2fe 65%, var(--relation-bg));
}

.home-index .panel-context-actions {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--brand-violet-softer) 18%, var(--surface)) 0%, color-mix(in srgb, var(--brand-violet-soft) 10%, var(--surface)) 100%);
}

.home-index .panel-context-output h2 {
  font-size: 1.05rem;
}

.home-index .code-block {
  min-height: 260px;
  border-radius: 16px;
  border-color: color-mix(in srgb, var(--brand-violet) 18%, var(--code-border));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.home-index .footer-note {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--brand-violet-soft) 28%, var(--border));
  background: color-mix(in srgb, var(--brand-violet-softer) 12%, var(--surface-muted));
}

@keyframes adminHaloSpin {
  to {
    transform: rotate(1turn);
  }
}

@media (prefers-reduced-motion: reduce) {
  .admin-gateway::before {
    animation: none;
  }
}

@media (max-width: 960px) {
  .podcast-preview-head {
    flex-direction: column;
  }

  .podcast-preview-actions {
    justify-content: flex-start;
  }

  .home-index .header-top {
    align-items: flex-start;
  }

  .home-index .hero-body {
    padding: 14px;
  }

  .home-index .home-nav-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-index .admin-gateway {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .home-index .layout:first-of-type .panel-filter {
    position: static;
    top: auto;
  }

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

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .header-admin-link {
    flex: 1 1 auto;
  }

  .locale-select {
    flex: 1 1 auto;
    width: 100%;
  }

  .theme-toggle {
    width: 100%;
  }

  .path-nav-flex {
    align-items: stretch;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .home-index .page.home-shell {
    padding: 10px 10px 44px;
  }

  .home-index .header-top {
    padding: 14px;
  }

  .home-index .header-top h1 {
    font-size: 1.28rem;
  }

  .home-index .header-actions {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
    width: 100%;
  }

  .home-index .header-admin-link,
  .home-index .locale-select,
  .home-index .theme-toggle {
    width: 100%;
  }

  .home-index .home-nav-tabs {
    grid-template-columns: 1fr;
  }

  .home-index .home-nav-tab {
    min-height: 46px;
    justify-content: flex-start;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .home-index .home-nav-tab:last-child {
    border-bottom: 0;
  }

  .home-index .card-top {
    grid-template-columns: 20px 1fr;
    gap: 10px;
  }

  .podcast-home-actions .admin-link {
    width: 100%;
  }
}