:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #262b36;
  --text: #e6e8ec;
  --muted: #8b93a3;
  --accent: #4f8cff;
  --success: #2fbf71;
  --error: #ef5350;
  --warn: #e0a92d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 14px;
}

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

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  flex-shrink: 0;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 16px;
  padding: 0 8px 20px;
}

.sidebar nav a {
  display: block;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--text);
  margin-bottom: 2px;
}

.sidebar nav a:hover { background: #1f2430; text-decoration: none; }
.sidebar nav a.active { background: var(--accent); color: #fff; }

.main { flex: 1; padding: 28px 32px; max-width: 1100px; }

h1 { font-size: 20px; margin: 0 0 20px; }
h2 { font-size: 16px; margin: 24px 0 12px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 18px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-ok { background: rgba(47,191,113,.15); color: var(--success); }
.badge-err { background: rgba(239,83,80,.15); color: var(--error); }
.badge-warn { background: rgba(224,169,45,.15); color: var(--warn); }
.badge-muted { background: rgba(139,147,163,.15); color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
}
.btn:hover { opacity: .9; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-danger { background: var(--error); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }

input, select, textarea {
  width: 100%;
  background: #10131a;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}

label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.field { margin-bottom: 14px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.flash-ok { background: rgba(47,191,113,.12); border: 1px solid rgba(47,191,113,.4); }
.flash-err { background: rgba(239,83,80,.12); border: 1px solid rgba(239,83,80,.4); }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box { width: 320px; }

.text-muted { color: var(--muted); }
.actions { display: flex; gap: 8px; }