:root {
  --bg: #0a0a0a;
  --surface: #161616;
  --surface-elevated: #1c1c1e;
  --text: #f5f5f7;
  --text-secondary: #8e8e93;
  --accent: #64d2ff;
  --border: #2c2c2e;
  --max-width: 960px;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: linear-gradient(145deg, #0f1724 0%, #1a2a3d 45%, #0a0a0a 100%);
  color: #fff;
  padding: 2.25rem 0 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-header .lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 36rem;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-top: 1.25rem;
  font-size: 0.95rem;
}

.top-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.top-nav a:hover {
  color: var(--accent);
}

.lang-switch button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

.lang-switch button.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.page-main {
  padding: 1.75rem 0 3rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  align-items: center;
}

.filter-chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.15s, background 0.15s;
}

.filter-chip:hover {
  border-color: #444;
}

.filter-chip.active {
  background: var(--surface-elevated);
  border-color: var(--accent);
  color: var(--text);
  font-weight: 600;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 100%;
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--app-accent, var(--accent)), transparent);
  opacity: 0.85;
}

.app-card-top {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.app-icon--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--app-accent, #555), #222);
}

.app-meta {
  min-width: 0;
}

.app-name {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
  line-height: 1.25;
}

.app-tagline {
  margin: 0 0 0.5rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.app-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.badge {
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.badge-platform {
  background: rgba(255, 255, 255, 0.04);
}

.badge-released {
  border-color: rgba(52, 199, 89, 0.35);
  color: #34c759;
}

.badge-beta {
  border-color: rgba(255, 159, 10, 0.35);
  color: #ff9f0a;
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.app-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text) !important;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none !important;
}

.app-link:hover {
  border-color: #555;
  background: rgba(255, 255, 255, 0.04);
}

.app-link--primary {
  background: var(--app-accent, var(--accent));
  border-color: transparent;
  color: #000 !important;
}

.app-link--primary:hover {
  filter: brightness(1.05);
  background: var(--app-accent, var(--accent));
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem 1rem;
}

.about-card {
  margin-top: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

.about-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.about-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

[data-lang] {
  display: none;
}

[data-lang].active {
  display: block;
}

.top-nav [data-lang].active,
.about-card [data-lang].active {
  display: inline;
}

.about-card [data-lang].active {
  display: block;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f2f2f7;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --text: #1c1c1e;
    --text-secondary: #636366;
    --border: #d1d1d6;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }

  .site-header {
    background: linear-gradient(145deg, #e8eef5 0%, #f5f5f7 60%, #f2f2f7 100%);
    color: #1c1c1e;
  }

  .site-header .lead {
    color: #48484a;
  }

  .top-nav a {
    color: #3a3a3c;
  }

  .lang-switch button {
    color: #1c1c1e;
  }
}