:root {
  --bg: #0b0d12;
  --bg-panel: #12151d;
  --text: #e8edf7;
  --muted: #8b95a8;
  --accent: #ff4d6d;
  --accent-soft: rgba(255, 77, 109, 0.18);
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --font-sans: "Noto Sans JP", "Noto Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(124, 156, 255, 0.12), transparent 35%),
    radial-gradient(circle at 80% 20%, rgba(255, 77, 109, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

body {
  position: relative;
  padding: 24px 20px 48px;
}

a {
  color: #9ec5ff;
}

.scanlines,
.vhs-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
}

.scanlines {
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.25;
}

.vhs-noise {
  opacity: 0.05;
  background-image:
    radial-gradient(circle at 20% 20%, white 0.6px, transparent 0.7px),
    radial-gradient(circle at 70% 60%, white 0.6px, transparent 0.7px);
  background-size: 3px 3px, 4px 4px;
  animation: drift 8s linear infinite;
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(4px); }
}

.site-header,
.filter-nav,
main,
.site-footer {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
}

.site-header {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--bg-panel);
  box-shadow: var(--shadow);
}

.rec-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.rec-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: blink 1.2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.1;
}

.title-sub {
  display: block;
  margin-top: 4px;
  color: #b8c7ff;
  font-size: 0.62em;
}

.tagline {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.header-meta-updates {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: min(100%, 280px);
}

.update-notice {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 1.5;
}

.timestamp {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
}

.btn-ghost {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.filter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.filter-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
}

.filter-btn.is-active {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.panel {
  margin-bottom: 28px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(18, 21, 29, 0.92);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 22px;
}

.live-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.count-badge {
  min-width: 28px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 12px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.stream-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.stream-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #1a1f2b;
}

.thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-chip {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.status-chip.is-live {
  background: var(--accent-soft);
  color: #ffb3c1;
}

.card-body {
  padding: 14px;
}

.group-label {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.group-label[data-group-id='aogiri'] {
  color: #7db8ff;
}

.group-label[data-group-id='yugiri'] {
  color: #ffb070;
}

.group-label[data-group-id='bebop'] {
  color: #6ee7aa;
}

.group-label[data-group-id='goraku'] {
  color: #c49bff;
}

.group-label[data-group-id='partner'] {
  color: #f5db6e;
}

.group-label[data-group-id='official'] {
  color: #9ed8df;
}

.member-name {
  margin: 0 0 8px;
  font-size: 18px;
}

.stream-title {
  margin: 0 0 8px;
  color: #d7deea;
  font-size: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stream-time {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 28px 18px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.site-footer {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}

.seo-page .seo-article,
.seo-page .seo-group-block {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.seo-page h2,
.seo-page h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.seo-page p {
  color: #c5cedd;
  line-height: 1.7;
  font-size: 14px;
}

.seo-directory-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.seo-member-list {
  margin: 0;
  padding-left: 1.2em;
  columns: 2;
  column-gap: 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.seo-member-list a {
  color: #b8d4ff;
}

.seo-page {
  max-width: 900px;
  margin: 0 auto 28px;
}

.seo-page-header {
  margin-bottom: 18px;
}

.seo-home-link {
  color: inherit;
  text-decoration: none;
}

.seo-breadcrumb {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 13px;
}

.seo-breadcrumb a {
  color: #9ec5ff;
}

.seo-links {
  margin: 16px 0 0;
  padding-left: 1.2em;
  line-height: 1.9;
}

.seo-cta {
  display: inline-block;
  margin-top: 8px;
  text-decoration: none;
}

.seo-group-block + .seo-group-block {
  margin-top: 0;
}

@media (max-width: 640px) {
  body {
    padding: 16px 14px 36px;
  }

  .site-header,
  .panel {
    padding: 16px;
  }
}