:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2a3548;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3d8bfd;
  --accent2: #2dd4a8;
  --danger: #f07178;
  --ok: #7fd962;
  --warn: #e6c07b;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2a44 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 1.25rem; }
.nav {
  display: flex; flex-wrap: wrap; gap: .75rem 1rem;
  align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.1rem; }
.nav-links { display: flex; flex-wrap: wrap; gap: .65rem; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: .9rem;
}
.nav-links a:hover { color: var(--accent2); }

h1 { font-size: 1.45rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .75rem; color: var(--muted); font-weight: 600; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.stat { text-align: center; }
.stat .n { font-size: 1.75rem; font-weight: 700; color: var(--accent2); }
.stat .l { color: var(--muted); font-size: .85rem; }

label { display: block; margin: .65rem 0 .25rem; color: var(--muted); font-size: .85rem; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: .6rem .75rem;
  border-radius: 8px; border: 1px solid var(--border);
  background: #121a26; color: var(--text); font: inherit;
}
textarea { min-height: 120px; resize: vertical; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.row > * { flex: 1; min-width: 140px; }

button, .btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--accent); color: #fff; font: inherit;
  padding: .55rem 1rem; border-radius: 8px; text-decoration: none;
}
button.secondary, .btn.secondary { background: #2a3548; }
button.danger, .btn.danger { background: var(--danger); }
button:hover, .btn:hover { filter: brightness(1.08); }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.actions form { display: inline; }

.flash {
  padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem;
  border: 1px solid var(--border);
}
.flash-ok { background: rgba(127,217,98,.12); color: var(--ok); }
.flash-err { background: rgba(240,113,120,.12); color: var(--danger); }
.flash-info { background: rgba(61,139,253,.12); color: var(--accent); }

.auth-box { max-width: 380px; margin: 4rem auto; }
.muted { color: var(--muted); font-size: .9rem; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { padding: .35rem 0; }
.check-list label { display: inline; color: var(--text); margin: 0; }