:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --ok: #10b981;
  --warn: #f59e0b;
  --err: #ef4444;
  --border: #374151;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header { display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { color: var(--text); font-weight: 600; text-decoration: none; font-size: 16px; }
nav { display: flex; align-items: center; gap: 12px; }
nav .user { color: var(--muted); }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
h1 { margin: 0 0 16px; font-size: 22px; }
h2 { margin: 24px 0 12px; font-size: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 20px; margin-bottom: 20px; }
.card.narrow { max-width: 380px; margin: 60px auto; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.actions { display: flex; gap: 8px; }
form label { display: block; margin: 12px 0 4px; font-weight: 500; }
form label.checkbox { display: flex; align-items: center; gap: 8px; font-weight: 400; }
input[type=text], input[type=url], input[type=password], input[type=number],
input:not([type]), textarea {
  width: 100%; padding: 8px 10px; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; font: inherit;
}
textarea { font-family: ui-monospace, SFMono-Regular, monospace; }
button, .btn, .btn-secondary {
  padding: 8px 14px; border: 1px solid var(--accent); background: var(--accent);
  color: white; border-radius: 6px; cursor: pointer; font: inherit; text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger { background: var(--err); border-color: var(--err); }
button.link { background: transparent; border: none; color: var(--muted); padding: 0; cursor: pointer; }
.form-actions { display: flex; gap: 8px; align-items: center; margin-top: 20px; }
.inline { display: inline; }
.danger-form { margin-left: auto; }
.hint { color: var(--muted); font-size: 12px; margin: 4px 0 0; }
.error { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--err);
  padding: 10px; border-radius: 6px; margin-bottom: 12px; }
.empty { color: var(--muted); text-align: center; padding: 40px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--border);
  vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; color: var(--muted); font-weight: 600; }
td.detail { color: var(--muted); font-size: 12px; max-width: 300px; word-break: break-word; }
td.row-actions { width: 280px; text-align: right; white-space: nowrap; }
td.row-actions form.inline, td.row-actions a { margin-left: 4px; }
.btn-sm { padding: 4px 8px; font-size: 12px; }
table a { color: var(--accent); text-decoration: none; }
table a:hover { text-decoration: underline; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.tag-change { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.tag-keyword { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.status { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px;
  font-weight: 600; text-transform: uppercase; }
.status-ok { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.status-alert { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.status-error { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 12px; }

/* Schedule picker */
fieldset.schedule { border: 1px solid var(--border); border-radius: 6px; padding: 12px 16px; margin: 16px 0; }
fieldset.schedule legend { padding: 0 6px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
fieldset.schedule .sched-row { margin: 8px 0; display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
fieldset.schedule .sched-row label { margin: 0; }
fieldset.schedule input[type=date], fieldset.schedule input[type=time], fieldset.schedule select { min-width: 140px; }
fieldset.dow { border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
fieldset.dow legend { padding: 0 6px; color: var(--muted); font-size: 11px; }
label.checkbox.inline { display: inline-flex; margin: 0 10px 0 0; }
.muted { color: var(--muted); font-size: 11px; }

/* Horizontally scrollable tables (mobile) */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 720px; }

/* Mobile layout */
@media (max-width: 720px) {
  body { font-size: 15px; }
  header { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .brand { font-size: 15px; }
  main { margin: 14px auto; padding: 0 12px; }
  h1 { font-size: 19px; }
  h2 { font-size: 16px; }
  .card { padding: 14px; border-radius: 6px; }
  .card.narrow { margin: 24px auto; max-width: 100%; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .toolbar .actions { flex-direction: column; }
  .toolbar .actions .btn { text-align: center; }
  button, .btn, .btn-secondary { padding: 10px 14px; font-size: 15px; }
  .btn-sm { padding: 8px 10px; font-size: 13px; }
  input[type=text], input[type=url], input[type=password], input[type=number],
  input:not([type]), textarea, select { font-size: 16px; } /* prevent iOS zoom */
  .form-actions { flex-wrap: wrap; }
  .danger-form { margin-left: 0; }
  td.row-actions { width: auto; white-space: normal; text-align: left; }
  td.row-actions form.inline, td.row-actions a { display: inline-block; margin: 2px 4px 2px 0; }
  fieldset.schedule .sched-row { gap: 10px; }
  fieldset.schedule .sched-row > * { flex: 1 1 100%; }
  fieldset.schedule input[type=date], fieldset.schedule input[type=time],
  fieldset.schedule select, fieldset.schedule input[type=number] { min-width: 0; width: 100%; }
}