:root {
  color-scheme: dark;
  --bg: #081320;
  --bg-2: #0c1d31;
  --panel: rgba(10, 22, 39, 0.8);
  --panel-strong: rgba(14, 29, 48, 0.92);
  --line: rgba(126, 176, 213, 0.22);
  --text: #edf5ff;
  --muted: #8fa7bf;
  --accent: #5fd1ff;
  --accent-2: #ffd27a;
  --success: #92e4b6;
  --shadow: 0 24px 80px rgba(2, 10, 22, 0.45);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1220px;
  --font-sans: "IBM Plex Sans", "Segoe UI Variable", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(95, 209, 255, 0.16), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(255, 210, 122, 0.12), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(84, 152, 255, 0.16), transparent 32%),
    linear-gradient(180deg, #06111c 0%, #081320 44%, #091a2b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

code,
input,
button {
  font: inherit;
}

code {
  font-family: var(--font-mono);
}

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

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.backdrop::before,
.backdrop::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(14px);
  opacity: 0.7;
  animation: drift 14s ease-in-out infinite;
}

.backdrop::before {
  width: 280px;
  height: 280px;
  top: 9%;
  right: 12%;
  background: radial-gradient(circle, rgba(95, 209, 255, 0.28), transparent 72%);
}

.backdrop::after {
  width: 340px;
  height: 340px;
  bottom: 8%;
  left: 10%;
  animation-delay: -5s;
  background: radial-gradient(circle, rgba(255, 210, 122, 0.2), transparent 70%);
}

.shell,
.fallback-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 44px;
}

.fallback-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(95, 209, 255, 0.22), rgba(255, 210, 122, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 600;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a,
.text-link {
  color: var(--muted);
  transition: color 160ms ease, transform 160ms ease;
}

.nav a:hover,
.text-link:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.panel {
  background: linear-gradient(180deg, rgba(12, 25, 43, 0.88), rgba(8, 18, 32, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero,
.controls,
.release-panel,
.board,
.references {
  margin-bottom: 20px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.95fr);
  gap: 20px;
  padding: 30px;
}

.eyebrow,
.section-tag {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 600;
}

.hero h1,
.controls h2,
.section-head h2,
.fallback-panel h1 {
  margin: 0;
  font-size: clamp(2rem, 4.8vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.controls h2,
.section-head h2 {
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.lede,
.fallback-panel p {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button,
.copy-button,
.filter {
  border: 0;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
}

.button:hover,
.copy-button:hover,
.filter:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #79e7e1);
  color: #03233d;
}

.button.secondary,
.button.tertiary,
.copy-button,
.filter {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.button.tertiary {
  min-height: 40px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.hero-pills li {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-metrics {
  display: grid;
  gap: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  min-height: 108px;
}

.metric-card.compact {
  min-height: 0;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.6rem;
  letter-spacing: -0.04em;
}

.metric-label,
.metric-meta {
  color: var(--muted);
}

.metric-meta {
  display: inline-block;
  margin-top: 8px;
}

.controls {
  padding: 24px 26px;
}

.control-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-top: 18px;
}

.search input {
  width: 100%;
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 0 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  outline: none;
}

.search input:focus {
  border-color: rgba(95, 209, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(95, 209, 255, 0.12);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
}

.filter.active {
  background: rgba(95, 209, 255, 0.12);
  border-color: rgba(95, 209, 255, 0.34);
  color: var(--accent);
}

.release-panel,
.board,
.references {
  padding: 24px 26px 28px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.result-count {
  color: var(--muted);
}

.release-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.release-card,
.reference-card,
.checksum-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
}

.release-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  min-height: 100%;
  animation: reveal 380ms ease both;
}

.card-head,
.card-actions,
.reference-card,
.checksum-item {
  display: flex;
  align-items: center;
}

.card-head {
  justify-content: space-between;
  gap: 12px;
}

.card-category,
.status-pill,
.reference-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-category {
  background: rgba(255, 210, 122, 0.1);
  color: var(--accent-2);
}

.status-pill {
  background: rgba(146, 228, 182, 0.1);
  color: var(--success);
}

.card-title {
  margin: 0;
  font-size: 1.18rem;
}

.card-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.card-tags li {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.83rem;
}

.card-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.card-meta div {
  margin: 0;
}

.card-meta dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-meta dd {
  margin: 0;
}

.card-path {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(4, 11, 20, 0.55);
  overflow: hidden;
}

.path-code {
  display: block;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-actions {
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.copy-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
}

.checksum-list {
  display: grid;
  gap: 12px;
}

.checksum-item {
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

.checksum-copy {
  min-width: 118px;
}

.checksum-copy.copied,
.copy-button.copied {
  background: rgba(146, 228, 182, 0.14);
  border-color: rgba(146, 228, 182, 0.28);
  color: var(--success);
}

.checksum-text {
  overflow: hidden;
}

.checksum-text strong,
.reference-card strong {
  display: block;
  margin-bottom: 4px;
}

.checksum-text code {
  display: block;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.reference-card {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 18px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.reference-card:hover {
  transform: translateY(-2px);
  border-color: rgba(95, 209, 255, 0.3);
  background: rgba(255, 255, 255, 0.045);
}

.reference-card span:last-child {
  color: var(--muted);
}

.reference-card code {
  color: var(--accent);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
  padding: 0 4px;
  color: var(--muted);
  font-size: 0.94rem;
}

.fallback-panel {
  max-width: 720px;
  padding: 34px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 220px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -14px, 0);
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .control-row {
    grid-template-columns: 1fr;
  }

  .section-head,
  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .shell,
  .fallback-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 18px;
  }

  .hero,
  .controls,
  .release-panel,
  .board,
  .references,
  .fallback-panel {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: 2.36rem;
  }

  .card-meta,
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .checksum-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .card-meta,
  .metric-grid {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}