:root {
  color-scheme: light;
  --bg: #eef2f8;
  --surface: #ffffff;
  --surface-strong: #eef4ff;
  --panel: rgba(255, 255, 255, 0.92);
  --text: #152238;
  --muted: #58677b;
  --border: #d3dbe6;
  --shadow: 0 28px 60px rgba(15, 23, 42, 0.12);
  --header-bg: rgba(238, 242, 248, 0.88);
  --link: #0f5bd7;
  --nation-state: linear-gradient(135deg, #173d8f, #d5a33b);
  --ransomware: linear-gradient(135deg, #7f1d1d, #dc2626);
  --financial: linear-gradient(135deg, #14532d, #14b8a6);
  --hacktivist: linear-gradient(135deg, #4c1d95, #8b5cf6);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07101c;
  --surface: #101a2b;
  --surface-strong: #142338;
  --panel: rgba(16, 26, 43, 0.92);
  --text: #edf3fb;
  --muted: #b3c0d1;
  --border: #2b3a52;
  --shadow: 0 28px 70px rgba(2, 8, 23, 0.55);
  --header-bg: rgba(7, 16, 28, 0.88);
  --link: #91b7ff;
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #07101c;
    --surface: #101a2b;
    --surface-strong: #142338;
    --panel: rgba(16, 26, 43, 0.92);
    --text: #edf3fb;
    --muted: #b3c0d1;
    --border: #2b3a52;
    --shadow: 0 28px 70px rgba(2, 8, 23, 0.55);
    --header-bg: rgba(7, 16, 28, 0.88);
    --link: #91b7ff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, color-mix(in srgb, var(--surface-strong) 90%, transparent), var(--bg) 55%);
  color: var(--text);
}

button,
input,
a {
  font: inherit;
}

a {
  color: var(--link);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 30;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: min(1240px, calc(100% - 1.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem 0 1.2rem;
}

.eyebrow,
.section-kicker {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.header-copy h1 {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

.lede,
.section-note,
.result-summary,
.hero-panel p {
  margin: 0;
  line-height: 1.65;
  color: var(--muted);
}

.theme-toggle,
.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.theme-toggle {
  padding: 0.8rem 1.1rem;
  box-shadow: var(--shadow);
}

.page-content {
  padding: 1.5rem 0 4rem;
}

.hero-panel,
.controls-panel,
.grid-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.controls-panel,
.grid-panel {
  margin-top: 1.25rem;
}

.hero-grid,
.section-heading {
  display: grid;
  gap: 1rem;
}

.hero-grid h2,
.section-heading h2 {
  margin: 0.3rem 0 0.5rem;
  line-height: 1.18;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.stat-card {
  padding: 1rem;
  border-radius: 1rem;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  text-align: center;
}

.stat-value {
  display: block;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
}

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

.search-row {
  display: grid;
  gap: 1rem;
}

.search-field {
  display: grid;
  gap: 0.45rem;
}

.search-field span {
  font-weight: 600;
}

.search-field input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.95rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chip {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.7rem 0.95rem;
}

.chip small {
  color: var(--muted);
}

.chip.is-active {
  background: var(--text);
  color: var(--bg);
}

.chip.is-active small {
  color: inherit;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.actor-card {
  display: block;
  border: 0;
  padding: 0;
  background: transparent;
  text-align: left;
  perspective: 1600px;
  min-height: 24rem;
  cursor: pointer;
}

.card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 24rem;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

.actor-card.is-flipped .card-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  display: grid;
  gap: 0.95rem;
  padding: 1.1rem;
  border-radius: 1.2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 92%, transparent), var(--surface));
  backface-visibility: hidden;
  overflow: hidden;
}

.card-face::before,
.card-face::after {
  content: "";
  position: absolute;
  width: 1.2rem;
  height: 1.2rem;
  border-color: rgba(255, 255, 255, 0.35);
}

.card-face::before {
  top: 0.7rem;
  left: 0.7rem;
  border-top: 2px solid;
  border-left: 2px solid;
}

.card-face::after {
  right: 0.7rem;
  bottom: 0.7rem;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.card-front {
  justify-content: start;
}

.card-back {
  transform: rotateY(180deg);
  align-content: start;
}

.actor-card[data-rarity="nation-state"] .card-face {
  background-image: linear-gradient(160deg, rgba(23, 61, 143, 0.92), rgba(213, 163, 59, 0.18)), linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.actor-card[data-rarity="ransomware"] .card-face {
  background-image: linear-gradient(160deg, rgba(127, 29, 29, 0.92), rgba(220, 38, 38, 0.22)), linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.actor-card[data-rarity="financial"] .card-face {
  background-image: linear-gradient(160deg, rgba(20, 83, 45, 0.9), rgba(20, 184, 166, 0.22)), linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.actor-card[data-rarity="hacktivist"] .card-face {
  background-image: linear-gradient(160deg, rgba(76, 29, 149, 0.92), rgba(139, 92, 246, 0.25)), linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.rarity-pill,
.origin,
.aliases,
.front-note,
.back-section,
.source-row {
  position: relative;
  z-index: 1;
}

.rarity-pill {
  display: inline-flex;
  width: fit-content;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.codename-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.codename {
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 800;
  line-height: 1.05;
}

.origin {
  font-size: 0.95rem;
  text-align: right;
}

.aliases {
  color: rgba(255, 255, 255, 0.85);
}

.stat-block {
  display: grid;
  gap: 0.8rem;
  padding: 0.95rem;
  border-radius: 1rem;
  background: rgba(7, 16, 28, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
}

.stat-block span {
  display: grid;
  gap: 0.2rem;
}

.stat-block strong,
.back-section strong {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.front-note {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.88);
}

.back-section ul {
  margin: 0.45rem 0 0;
  padding-left: 1rem;
}

.back-section li + li {
  margin-top: 0.32rem;
}

.source-row {
  margin-top: auto;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.88);
}

.source-row a,
.card-back a {
  color: #ffffff;
}

.empty-state {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px dashed var(--border);
  background: var(--surface-strong);
}

.site-footer {
  padding: 0 0 2.5rem;
  text-align: center;
  color: var(--muted);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--link) 60%, white);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .hero-grid,
  .section-heading,
  .search-row {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}