*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #1a1a1a;
  color: #f2ebe0;
  min-height: 100vh;
}
a { color: #e8ff00; }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px 20px 48px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 28px; padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.topbar h1 { font-size: 1.25rem; letter-spacing: 0.08em; text-transform: uppercase; }
.topbar nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.85rem; }
.card {
  background: #242424; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; padding: 20px; margin-bottom: 20px;
}
.card h2 { font-size: 1rem; margin-bottom: 14px; color: #e8ff00; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: block; font-size: 0.78rem; margin-bottom: 5px; opacity: 0.8; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
  background: #111; color: #fff; font: inherit;
}
textarea { min-height: 90px; resize: vertical; }
.btn {
  display: inline-block; padding: 10px 18px; border: 0; border-radius: 4px;
  background: #e8ff00; color: #111; font-weight: 700; cursor: pointer;
  text-decoration: none; font-size: 0.85rem;
}
.btn:hover { filter: brightness(1.05); }
.btn-danger { background: #8b0000; color: #fff; }
.btn-small { padding: 6px 10px; font-size: 0.75rem; }
.flash { padding: 12px 14px; border-radius: 4px; margin-bottom: 16px; font-size: 0.9rem; }
.flash-ok { background: rgba(29,185,84,0.2); border: 1px solid #1DB954; }
.flash-err { background: rgba(139,0,0,0.25); border: 1px solid #8b0000; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { padding: 10px 8px; border-bottom: 1px solid rgba(255,255,255,0.08); text-align: left; }
th { color: #e8ff00; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 140px; background: #111; padding: 16px; border-radius: 6px; }
.stat strong { display: block; font-size: 1.6rem; color: #e8ff00; }
.login-box { max-width: 380px; margin: 12vh auto 0; }
@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}