:root {
  --bg: #0e1117;
  --bg2: #161b24;
  --bg3: #1d2430;
  --border: #2a3343;
  --text: #dce3ee;
  --muted: #8593a8;
  --accent: #4f8ef7;
  --up: #2ecc71;
  --down: #e74c3c;
  --warn: #f1c40f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--bg3); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
code.block { display: block; padding: 10px 12px; overflow-x: auto; margin: 8px 0; white-space: pre-wrap; word-break: break-all; }

nav {
  display: flex; align-items: center; gap: 18px;
  padding: 0 22px; height: 54px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 700; color: var(--text); margin-right: 10px; }
nav a { color: var(--muted); }
nav a.active, nav a:hover { color: var(--text); text-decoration: none; }
.spacer { flex: 1; }

main { max-width: 760px; margin: 28px auto; padding: 0 18px; }
main.wide { max-width: 1000px; }

h1 { font-size: 1.5em; margin: 0 0 4px; }
h2 { font-size: 1.2em; }
h3 { font-size: 1.02em; margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.86em; }

.page-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h1 { margin: 0; }
.chips { display: flex; gap: 8px; }
.chip { background: var(--bg3); border: 1px solid var(--border); border-radius: 99px; padding: 2px 12px; font-size: 0.85em; color: var(--muted); }
.chip-up { color: var(--up); }
.chip-down { color: var(--down); }

.btn {
  display: inline-block; background: var(--bg3); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 7px 14px; font-size: 0.92em; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); border-color: var(--accent); }
.btn-danger { color: var(--down); border-color: #5c2a26; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-sm { padding: 3px 10px; font-size: 0.85em; }
form.inline { display: inline; }
.actions { display: flex; gap: 10px; margin-top: 14px; }
.actions-cell { white-space: nowrap; text-align: right; }
.actions-cell form, .actions-cell a { margin-left: 6px; }

.badge {
  display: inline-block; border-radius: 5px; padding: 1px 9px;
  font-size: 0.78em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge-up { background: #16351f; color: var(--up); }
.badge-down { background: #3d1715; color: var(--down); }
.badge-pending { background: var(--bg3); color: var(--muted); }
.badge-paused { background: #33301a; color: var(--warn); }

.table { width: 100%; border-collapse: collapse; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.05em; }
.table tr:last-child td { border-bottom: none; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table.small td, .table.small th { padding: 6px 10px; font-size: 0.88em; }

.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; margin: 16px 0; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }

.empty { background: var(--bg2); border: 1px dashed var(--border); border-radius: 10px; padding: 36px; text-align: center; color: var(--muted); }

.form label { display: block; margin: 10px 0; font-size: 0.92em; color: var(--muted); }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 4px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px; font-size: 1em;
  font-family: inherit;
}
.form textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); }
.input-sm {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 8px; font-size: 0.85em; width: 140px;
}
.form .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 14px; }
label.check { display: flex; align-items: center; gap: 8px; margin: 6px 0; color: var(--text); }
label.check input { width: auto; display: inline; margin: 0; }

.flash { border-radius: 8px; padding: 10px 14px; margin: 0 0 16px; font-size: 0.93em; }
.flash-ok { background: #16351f; color: var(--up); }
.flash-err { background: #3d1715; color: #f0a8a0; }

.stats { display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0; }
.stat { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 18px; min-width: 120px; }
.stat-v { font-size: 1.3em; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-v.bad { color: var(--down); }
.stat-l { color: var(--muted); font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.05em; }

.bars { display: flex; gap: 2px; align-items: stretch; height: 30px; margin-top: 8px; }
.bar { flex: 1; border-radius: 2px; min-width: 3px; }
.bar.ok { background: var(--up); }
.bar.warn { background: var(--warn); }
.bar.bad { background: var(--down); }
.bar.na { background: var(--bg3); }

.events { list-style: none; padding: 0; margin: 0; }
.events li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.events li:last-child { border-bottom: none; }

.auth-card { max-width: 360px; margin: 10vh auto 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 28px 30px; }
.auth-card h1 { text-align: center; }
.auth-card h2 { color: var(--muted); font-size: 1em; font-weight: 400; text-align: center; margin-top: -4px; }
.auth-card label { display: block; margin: 12px 0; color: var(--muted); font-size: 0.9em; }
.auth-card input { display: block; width: 100%; margin-top: 4px; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 7px; padding: 9px 11px; font-size: 1em; }
.auth-card button { width: 100%; margin-top: 14px; }

/* dashboard summary + tiles */
.summary { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.sum-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 22px; text-align: center; min-width: 90px;
}
.sum-v { font-size: 1.6em; font-weight: 700; font-variant-numeric: tabular-nums; }
.sum-l { color: var(--muted); font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.05em; }
.sum-up .sum-v { color: var(--up); }
.sum-down .sum-v { color: var(--down); }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.tile {
  display: block; background: var(--bg2); border: 1px solid var(--border);
  border-left: 4px solid var(--muted); border-radius: 10px; padding: 14px 16px;
  color: var(--text); text-decoration: none; transition: border-color 0.15s, transform 0.1s;
}
.tile:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.tile-up { border-left-color: var(--up); }
.tile-down { border-left-color: var(--down); background: linear-gradient(180deg, rgba(231, 76, 60, 0.08), transparent 60%), var(--bg2); }
.tile-paused { border-left-color: var(--warn); opacity: 0.75; }
.tile-pending { border-left-color: var(--muted); }
.tile-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tile-sub { margin: 3px 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile-foot { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; }
.tile .spark { color: var(--accent); }
.tile-down .spark { color: var(--down); }

/* charts */
.spark { display: block; width: 100%; height: 34px; }
.spark-empty { height: 34px; }
.chart { margin: 10px 0; }
.chart svg { display: block; width: 100%; height: 150px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; }
.chart-meta { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; font-size: 0.92em; }
.chart-empty { padding: 24px; text-align: center; background: var(--bg); border: 1px dashed var(--border); border-radius: 8px; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 18px; }
@media (max-width: 760px) { .chart-grid { grid-template-columns: 1fr; } }

/* public status page */
.ps-body { background: var(--bg); }
.ps-main { max-width: 720px; margin: 6vh auto; padding: 0 18px; }
.ps-banner { border-radius: 10px; padding: 14px 18px; font-weight: 600; margin: 18px 0 26px; }
.ps-up { background: #16351f; color: var(--up); }
.ps-down { background: #3d1715; color: var(--down); }
.ps-na { background: var(--bg3); color: var(--muted); }
.ps-monitor { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; margin: 12px 0; }
.ps-row { display: flex; align-items: center; gap: 10px; }
.ps-name { font-weight: 600; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-up { background: var(--up); box-shadow: 0 0 8px var(--up); }
.dot-down { background: var(--down); box-shadow: 0 0 8px var(--down); }
.dot-na { background: var(--muted); }
footer { margin-top: 34px; text-align: center; }