:root {
  --bg: #0f0f13;
  --surface: #1a1a24;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --muted: #8888aa;
  --accent: #7c6af7;
  --accent-hover: #9580ff;
  --green: #4caf8a;
  --blue: #4a9eff;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Header */
header {
  padding: 3rem 2rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

header p {
  color: var(--muted);
  font-size: 1rem;
}

.back {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.back:hover { color: var(--text); }

.version-badge {
  display: inline-block;
  background: var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-top: 0.5rem;
}

/* Main */
main {
  flex: 1;
  padding: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

/* App grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--text);
}

.card-icon {
  font-size: 2rem;
  line-height: 1;
}

.card-body h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.card-body p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.version {
  color: var(--muted);
  font-size: 0.75rem;
}

/* Badges */
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.badge-web { background: #1a2f4a; color: var(--blue); }
.badge-download { background: #1a2f2a; color: var(--green); }

/* Detail page */
.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 600px;
  margin: 2rem auto;
}

.detail-card .description {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.detail-card h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

.downloads {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.85; color: inherit; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

/* Empty state */
.empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
}

.empty code {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
  color: var(--text);
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}