:root {
  --bg: #0f172a; --panel: #1e293b; --panel2: #273449; --text: #e2e8f0;
  --muted: #94a3b8; --line: #334155; --accent: #38bdf8;
  --up: #22c55e; --down: #ef4444; --unknown: #64748b; --warn: #f59e0b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.topbar { display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 18px; }
nav a { margin-left: 16px; color: var(--text); }
nav a.logout { color: var(--muted); }
nav .who { margin-left: 16px; color: var(--muted); font-size: 12px; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
h2, h3 { font-weight: 600; }
.muted { color: var(--muted); font-size: 13px; }

.cards { display: flex; gap: 14px; margin: 16px 0; flex-wrap: wrap; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 20px; min-width: 120px; display: flex; flex-direction: column; color: var(--muted); }
.card .big { font-size: 28px; font-weight: 700; color: var(--text); }
.card.ok .big { color: var(--up); } .card.bad .big { color: var(--down); }

table.grid { width: 100%; border-collapse: collapse; margin: 12px 0; background: var(--panel);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.grid th { background: var(--panel2); color: var(--muted); font-size: 12px; text-transform: uppercase; }
.grid tr:last-child td { border-bottom: none; }

.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  margin-right: 7px; background: var(--unknown); vertical-align: middle; }
.dot.up { background: var(--up); } .dot.down { background: var(--down); }
.dot.unknown { background: var(--unknown); }

.form { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px; margin: 12px 0; max-width: 820px; }
.form .row { display: flex; gap: 14px; flex-wrap: wrap; }
.form label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted);
  gap: 5px; margin-bottom: 12px; flex: 1; min-width: 180px; }
.form label.chk { flex-direction: row; align-items: center; gap: 8px; }
input, select { background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 8px 10px; border-radius: 7px; font-size: 14px; }
button { background: var(--accent); color: #07202b; border: none; padding: 9px 16px;
  border-radius: 7px; font-weight: 600; cursor: pointer; font-size: 14px; }
button:hover { filter: brightness(1.08); }
.btn-sm { background: var(--panel2); color: var(--text); padding: 5px 10px; font-size: 12px;
  border: 1px solid var(--line); display: inline-block; }
.btn-sm.danger { background: transparent; color: var(--down); border-color: var(--down); }
form { display: inline; }

.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 32px; width: 320px; display: flex; flex-direction: column; }
.login-card h1 { text-align: center; margin-top: 0; font-size: 22px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px;
  font-size: 13px; color: var(--muted); }
.error { color: var(--down); font-size: 14px; text-align: center; }
.result { background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; color: var(--muted); font-size: 12px; white-space: pre-wrap; margin-top: 10px; }

.fs { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin: 6px 0 14px; }
.fs legend { color: var(--muted); font-size: 12px; text-transform: uppercase; padding: 0 6px; }
.chart-controls { display: flex; gap: 14px; margin: 10px 0; }
.chart-controls label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.chart-box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin: 12px 0; }
.chart-box h3 { margin: 0 0 8px; font-size: 14px; }
.pop-head { margin: 22px 0 4px; font-size: 15px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.inline-form { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.inline-form input, .inline-form select { padding: 5px 7px; font-size: 12px; }
.inline-form .chk { flex-direction: row; gap: 4px; margin: 0; }

.dot.warn { background: var(--warn); }
.rx-bad { color: var(--down); font-weight: 600; }
.rx-warn { color: var(--warn); }
.pon-cards { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0 18px; }
.pon-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px; min-width: 200px; font-size: 13px; color: var(--muted); }
.pon-card b { color: var(--text); font-size: 15px; }
.filter-bar { display: flex; gap: 10px; align-items: center; margin: 8px 0; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { padding: 6px 9px; font-size: 13px; }