:root {
  --bg: #0f1420;
  --card: #1a2233;
  --text: #eef1f6;
  --muted: #9aa5b8;
  --accent: #3ddc84;
  --accent-dark: #2bb96a;
  --border: #2a3448;
  --error: #ff6b6b;
  --danger: #d64545;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}

.brand { font-weight: 700; letter-spacing: 0.3px; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}
nav a:hover { color: var(--text); }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin: 0 auto;
}

.card.narrow { max-width: 380px; margin-top: 60px; }
.card.wide { max-width: 960px; }

h1 { margin-top: 0; }

.muted { color: var(--muted); }
.small { font-size: 13px; }

.error { color: var(--error); font-weight: 600; }
.badge {
  display: inline-block;
  background: rgba(61, 220, 132, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent-dark);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
}

label { display: block; margin-bottom: 14px; font-size: 14px; }

input[type="text"], input[type="password"], select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1420;
  color: var(--text);
  font-size: 15px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 18px 0;
  padding: 16px;
}

legend { font-weight: 600; padding: 0 6px; }

.grid.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  background: #0f1420;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.checkbox input { width: auto; margin: 0; }

.count-hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.count-hint.limit-reached { color: var(--accent); font-weight: 600; }

button, .button {
  display: inline-block;
  background: var(--accent);
  color: #08130c;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  margin-top: 8px;
}
button:hover, .button:hover { background: var(--accent-dark); }

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

button.danger { background: var(--danger); color: white; }
button.small { padding: 6px 10px; font-size: 13px; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.table-scroll { overflow-x: auto; }

.admin-top { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.admin-top a { color: var(--muted); text-decoration: none; }

details.rules { margin: 12px 0 20px; color: var(--muted); font-size: 14px; }
details.rules summary { cursor: pointer; color: var(--text); }