:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-2: #6c5ce7;
  --danger: #ff5b6e;
  --warn: #ffb84d;
  --ok: #33d69f;
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 1.05rem; margin: 0; font-weight: 600; }
.topbar .brand { display: flex; align-items: center; gap: 10px; }
.topbar .brand .emoji { font-size: 1.4rem; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 22px 60px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 14px; font-size: 1rem; font-weight: 600; }
.card .hint { color: var(--muted); font-size: .85rem; }

.btn {
  background: var(--accent); color: #fff; border: 0;
  padding: 9px 16px; border-radius: 8px; cursor: pointer;
  font-size: .9rem; font-weight: 500;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }

input, select {
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 12px; font-size: .9rem; width: 100%;
}
label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 6px; }
.field { margin-bottom: 14px; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
tbody tr:hover { background: var(--surface-2); }
.table-wrap { overflow-x: auto; }

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: .74rem; font-weight: 600;
}
.badge.ok    { background: rgba(51,214,159,.15);  color: var(--ok); }
.badge.warn  { background: rgba(255,184,77,.15);  color: var(--warn); }
.badge.danger{ background: rgba(255,91,110,.15);  color: var(--danger); }
.badge.muted { background: var(--surface-2);       color: var(--muted); }

.alert-bar {
  background: rgba(255,91,110,.12); border: 1px solid rgba(255,91,110,.35);
  color: var(--danger); padding: 12px 16px; border-radius: 10px;
  margin-bottom: 20px; font-size: .9rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat .num { font-size: 1.8rem; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .82rem; }

.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tab { padding: 8px 14px; border-radius: 8px; cursor: pointer; color: var(--muted); border: 1px solid transparent; }
.tab.active { background: var(--surface); color: var(--text); border-color: var(--border); }

.center-screen { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-box { width: 100%; max-width: 360px; }
.login-box .emoji { font-size: 2.4rem; text-align: center; display: block; margin-bottom: 8px; }
.msg { font-size: .85rem; margin-top: 10px; }
.msg.err { color: var(--danger); }
.msg.ok  { color: var(--ok); }

.hidden { display: none !important; }