:root {
  --bg: #0f1720;
  --panel: #18222e;
  --panel-2: #1f2c3a;
  --line: #2a3a4c;
  --text: #e8eef4;
  --muted: #93a4b5;
  --accent: #2ea6ff;
  --accent-2: #1b7fd1;
  --good: #34c759;
  --warn: #ffb020;
  --bad: #ff5c5c;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  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: 12px 22px; background: var(--panel); border-bottom: 1px solid var(--line);
  flex-wrap: wrap; gap: 10px;
}
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: .3px; }
.logo { color: var(--accent); margin-right: 4px; }
.topbar nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); font-weight: 500; }
.topbar nav a:hover { color: var(--text); text-decoration: none; }
.who { color: var(--muted); font-size: .85rem; }
.btn-link { color: var(--accent) !important; }

.container { max-width: 960px; margin: 0 auto; padding: 26px 22px 60px; }

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 26px 0 12px; }
.subtitle { color: var(--muted); margin: 0 0 22px; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px 22px; margin-bottom: 18px;
}

.flash { padding: 11px 15px; border-radius: 9px; margin-bottom: 14px; font-size: .93rem; border: 1px solid transparent; }
.flash-success { background: rgba(52,199,89,.12); border-color: rgba(52,199,89,.4); color: #b8f0c6; }
.flash-danger  { background: rgba(255,92,92,.12); border-color: rgba(255,92,92,.4); color: #ffc9c9; }
.flash-warning { background: rgba(255,176,32,.12); border-color: rgba(255,176,32,.4); color: #ffe0a8; }
.flash-info    { background: rgba(46,166,255,.12); border-color: rgba(46,166,255,.4); color: #bfe2ff; }

label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .4px; }
input[type=text], input[type=email], input[type=password], input[type=number] {
  width: 100%; padding: 10px 12px; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; color: var(--text); font-size: .95rem;
}
input:focus { outline: none; border-color: var(--accent); }
.field { margin-bottom: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }
.checkbox label { margin: 0; text-transform: none; letter-spacing: 0; font-size: .92rem; color: var(--text); }

.btn {
  display: inline-block; padding: 10px 18px; border: none; border-radius: 8px;
  background: var(--accent); color: #041018; font-weight: 600; font-size: .95rem;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--accent-2); color: #fff; text-decoration: none; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { background: var(--panel-2); }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-danger { background: var(--bad); color: #fff; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; }
td.mono, .mono { font-family: var(--mono); }
tr:last-child td { border-bottom: none; }

.pill { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .74rem; font-weight: 600; }
.pill-on  { background: rgba(52,199,89,.16); color: var(--good); }
.pill-off { background: rgba(255,92,92,.16); color: var(--bad); }

.stat-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; flex: 1; min-width: 150px; }
.stat .n { font-size: 1.7rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .82rem; }

.bignum {
  font-family: var(--mono); font-size: 1.9rem; letter-spacing: 2px;
  background: var(--panel-2); border: 1px dashed var(--accent);
  border-radius: 10px; padding: 18px; text-align: center; word-break: break-all;
}
.muted { color: var(--muted); }
.right { text-align: right; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline-form { display: inline; }
.mt { margin-top: 16px; }
.divider { height: 1px; background: var(--line); margin: 22px 0; border: none; }

.login-wrap { max-width: 380px; margin: 8vh auto; }
.login-wrap .brand-lg { text-align: center; font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.login-wrap .brand-lg .logo { font-size: 1.6rem; }

.card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.card-chip { font-family: var(--mono); background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 1.05rem; letter-spacing: 1px; }

@media (max-width: 620px) { .grid-2 { grid-template-columns: 1fr; } }