:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --gray: #6e7681;
}

* { box-sizing: border-box; }

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

.hidden { display: none !important; }

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
.spacer { flex: 1; }

.summary { display: flex; gap: 8px; }
.summary .chip { font-variant-numeric: tabular-nums; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-dim);
  font-size: 12px;
}
.chip.up   { color: var(--green); border-color: var(--green); }
.chip.down { color: var(--red);   border-color: var(--red); }

.btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}
.btn:hover { border-color: var(--text-dim); }
.btn.primary { background: #1f6feb; border-color: #1f6feb; color: #fff; }
.btn.primary:hover { background: #388bfd; }
.btn.danger { color: var(--red); }
.btn.small { padding: 3px 10px; font-size: 12px; }

.layout {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 51px);
}

.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 51px;
  height: calc(100vh - 51px);
}
.side-title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.view-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  overflow-y: auto;
}
.view-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  margin-bottom: 2px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
}
.view-item:hover { background: var(--bg); color: var(--text); }
.view-item.active {
  color: var(--accent);
  background: rgba(56, 139, 253, 0.12);
  border-left-color: var(--accent);
}
.view-item .v-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.view-count {
  flex-shrink: 0;
  font-size: 11px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-variant-numeric: tabular-nums;
}
.views-empty { color: var(--text-dim); font-size: 12px; padding: 4px 10px; }
.side-foot {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.content { flex: 1; min-width: 0; }

.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.filters input[type="search"] {
  width: 240px;
}
input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.tag-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-chip {
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
}
.tag-chip.on { border-color: var(--accent); color: var(--accent); }

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  background: rgba(56, 139, 253, 0.15);
  color: var(--accent);
  font-size: 11px;
  margin-right: 4px;
}

main { padding: 12px 20px 40px; }

.entry {
  display: grid;
  grid-template-columns: 14px 1fr auto auto;
  gap: 4px 16px;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-alt);
  margin-bottom: 8px;
}
.entry.down { border-left: 3px solid var(--red); }
.entry.up { border-left: 3px solid var(--green); }
.entry.unknown { border-left: 3px solid var(--gray); }

.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gray);
}
.dot.up { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.down { background: var(--red); box-shadow: 0 0 6px var(--red); }

.e-main { min-width: 0; }
.e-name { font-weight: 600; }
.e-target { color: var(--text-dim); font-size: 12px; word-break: break-all; }
.e-tags { margin-top: 3px; }

.e-meta {
  text-align: right;
  color: var(--text-dim);
  font-size: 12px;
  white-space: nowrap;
}
.e-meta .status-line { color: var(--text); }

.bars { display: flex; gap: 2px; grid-column: 1 / -1; margin-top: 6px; }
.bars i {
  flex: 0 0 6px;
  height: 14px;
  border-radius: 2px;
  background: var(--gray);
  opacity: 0.9;
}
.bars i.ok { background: var(--green); }
.bars i.fail { background: var(--red); }

.e-actions { display: flex; gap: 6px; }

.empty { color: var(--text-dim); text-align: center; padding: 60px 0; grid-column: 1 / -1; }

.mode-toggle { display: flex; gap: 4px; }
.mode-btn.active { border-color: var(--accent); color: var(--accent); }

main.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.card {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gray);
  border-radius: 8px;
  background: var(--bg-alt);
}
.card.up { border-left-color: var(--green); }
.card.down { border-left-color: var(--red); }
.c-head { display: flex; align-items: center; gap: 8px; }
.c-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.c-target {
  color: var(--text-dim);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.c-meta { color: var(--text-dim); font-size: 12px; margin-top: 3px; }
.card .e-tags { margin-top: 4px; min-height: 16px; }
.bars.small { margin-top: 6px; }
.bars.small i { height: 10px; flex-basis: 5px; }
.card .e-actions { margin-top: 8px; }

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 420px;
  max-width: 95vw;
}
.modal h2 { margin: 0 0 16px; font-size: 16px; }
.modal label { display: block; margin-bottom: 12px; color: var(--text-dim); font-size: 12px; }
.modal label input, .modal label select {
  display: block; width: 100%; margin-top: 4px;
}
.modal label.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.modal label.check input { width: auto; margin: 0; }
.modal .row { display: flex; gap: 12px; }
.modal .row label { flex: 1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

body.readonly .admin-only { display: none !important; }

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-box { width: 340px; }
.login-box .brand { text-align: center; margin-bottom: 12px; }
.login-box h2 { text-align: center; }
.hint { color: var(--text-dim); font-size: 12px; text-align: center; }
.btn.wide { width: 100%; margin-top: 4px; }
.error { color: var(--red); font-size: 12px; margin: 8px 0; }

.wide-modal { width: 520px; }
.modal h3 { margin: 16px 0 8px; font-size: 13px; color: var(--text-dim); }
.inline-form { display: flex; gap: 8px; }
.inline-form input { flex: 1; }
.urow {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.urow .u-name { font-weight: 600; }
.urow .u-role { color: var(--text-dim); font-size: 12px; }
.urow .spacer { flex: 1; }
.utags {
  padding: 8px 12px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}
.utags .check { display: inline-flex; align-items: center; gap: 6px; margin: 4px 12px 4px 0; color: var(--text); font-size: 12px; }
.u-taglist { margin: 6px 0; }

@media (max-width: 700px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .view-list { display: flex; flex-wrap: wrap; gap: 4px; }
  .view-item { margin-bottom: 0; }
}

@media (max-width: 640px) {
  .entry { grid-template-columns: 14px 1fr; }
  .e-meta { text-align: left; grid-column: 2; }
  .e-actions { grid-column: 2; }
}