* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; color: #f5f7ff;
  font-family: Inter, system-ui, Arial, sans-serif;
  background: radial-gradient(circle at top, #1e2450, #080a12 55%);
}
.container { width: min(1000px, 92%); margin: 0 auto; padding: 70px 0; }
.card, .topbar, .filters, .item {
  background: rgba(18, 22, 40, .88);
  border: 1px solid #2b3154; border-radius: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.hero { text-align: center; padding: 70px 30px; }
h1 { font-size: clamp(42px, 8vw, 80px); margin: 12px 0; }
h2 { margin: 8px 0 10px; font-size: 30px; }
p { color: #aeb6d0; line-height: 1.6; }
.badge { display: inline-block; font-size: 12px; letter-spacing: .14em; color: #9daaff; }
.warning { color: #ffd27d; }
.button {
  display: inline-block; border: 0; border-radius: 12px; padding: 13px 18px;
  margin: 8px 5px 0 0; color: white; background: #5865f2;
  text-decoration: none; font-weight: 700; cursor: pointer;
}
.button:hover { filter: brightness(1.1); }
.secondary { background: #242a44; }
.small { padding: 9px 12px; font-size: 12px; }
.hidden { display: none !important; }
#joinView { padding: 45px; text-align: center; }
.topbar { padding: 22px 26px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.userBox { display: flex; align-items: center; gap: 10px; color: #c9d0e7; }
.filters { padding: 10px; margin: 20px 0; display: flex; gap: 8px; flex-wrap: wrap; }
.filter {
  border: 0; background: transparent; color: #aeb6d0; padding: 10px 14px;
  border-radius: 10px; cursor: pointer;
}
.filter.active { background: #5865f2; color: white; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.item { padding: 22px; }
.item h3 { margin: 7px 0; }
.status { color: #7ee2a8; font-size: 13px; }
.message { min-height: 24px; }