/* Pinger — minimal UI */
:root {
  --bg: #0f1117;
  --surface: #161922;
  --surface-2: #1d212d;
  --border: #262b3a;
  --text: #e6e9f2;
  --muted: #8a93a8;
  --accent: #4f8cff;
  --accent-2: #6aa1ff;
  --ok: #2ecc71;
  --warn: #f5b041;
  --bad: #e74c3c;
  --off: #5a607a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: grid; grid-template-columns: 220px 1fr; min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--surface); border-right: 1px solid var(--border);
  padding: 24px 16px; position: sticky; top: 0; height: 100vh;
}
.brand { font-size: 20px; font-weight: 700; margin-bottom: 24px; letter-spacing: 0.5px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
  color: var(--text); text-decoration: none; padding: 8px 12px;
  border-radius: 6px; font-size: 14px;
}
.sidebar nav a:hover { background: var(--surface-2); }
.sidebar nav a.active { background: var(--accent); color: white; }

/* Main */
.main { padding: 24px 32px; max-width: 100%; overflow-x: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.topbar h1 { margin: 0; font-size: 24px; font-weight: 600; }
.topbar .user { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.topbar .user button.link { background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; }
.topbar .user button.link:hover { color: var(--accent-2); }

.muted { color: var(--muted); font-size: 12px; }
.empty-state { color: var(--muted); padding: 24px; text-align: center; }

/* Buttons */
.btn {
  display: inline-block; padding: 8px 14px; border-radius: 6px;
  background: var(--surface-2); color: var(--text); text-decoration: none;
  border: 1px solid var(--border); font: inherit; cursor: pointer;
}
.btn:hover { background: var(--border); }
.btn.primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); }
button.link {
  background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; padding: 0;
}
button.link.danger { color: var(--bad); }
button.link:hover { text-decoration: underline; }

.page-actions { margin-bottom: 16px; display: flex; gap: 8px; }

/* Tables */
table.data, table.matrix {
  width: 100%; border-collapse: collapse; background: var(--surface); border-radius: 8px;
  overflow: hidden; border: 1px solid var(--border);
}
table.data th, table.data td, table.matrix th, table.matrix td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.data thead th, table.matrix thead th { background: var(--surface-2); font-weight: 600; }
table.data tr:last-child td, table.matrix tr:last-child td { border-bottom: none; }
table.data td.actions { display: flex; gap: 12px; align-items: center; }
table.data td.actions form { display: inline; }
.group-head td { background: var(--surface-2); font-weight: 600; color: var(--muted); }

/* Matrix cells */
.cell {
  display: inline-block; min-width: 80px; padding: 6px 10px; border-radius: 4px;
  text-align: center; font-variant-numeric: tabular-nums; font-size: 13px;
}
.cell.ok { background: rgba(46, 204, 113, 0.18); color: var(--ok); }
.cell.warn { background: rgba(245, 176, 65, 0.18); color: var(--warn); }
.cell.bad { background: rgba(231, 76, 60, 0.18); color: var(--bad); }
.cell.pending { background: var(--surface-2); color: var(--muted); }
.cell.empty { background: transparent; color: var(--muted); }

/* Tags */
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px;
}
.tag-vps      { background: rgba(79,140,255,.2); color: var(--accent-2); }
.tag-mikrotik { background: rgba(155,89,182,.2); color: #b389ff; }
.tag-ok       { background: rgba(46,204,113,.2); color: var(--ok); }
.tag-bad      { background: rgba(231,76,60,.2);  color: var(--bad); }
.tag-warn     { background: rgba(245,176,65,.2); color: var(--warn); }
.tag-pending  { background: rgba(138,147,168,.2); color: var(--muted); }
.tag-off      { background: rgba(90,96,122,.3);  color: var(--off); }
.tag-admin    { background: rgba(245,176,65,.2); color: var(--warn); }
.tag-user     { background: rgba(79,140,255,.2); color: var(--accent-2); }

/* Forms */
.form-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 24px; max-width: 560px; display: flex; flex-direction: column; gap: 16px;
}
.form-card label { display: flex; flex-direction: column; gap: 6px; }
.form-card label.check { flex-direction: row; gap: 8px; align-items: center; }
.form-card label > span { font-size: 13px; color: var(--muted); }
.form-card input[type=text], .form-card input[type=password], .form-card input[type=number],
.form-card select {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 10px; border-radius: 6px; font: inherit;
}
.form-card input:focus, .form-card select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.form-card fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.form-card legend { padding: 0 6px; color: var(--muted); font-size: 13px; }
.form-card .actions { display: flex; gap: 8px; justify-content: flex-end; }
.form-card .row { display: flex; gap: 12px; align-items: flex-end; }
.form-card .row .grow { flex: 1; }
.form-card .row .port { width: 110px; flex: none; }
.error {
  background: rgba(231,76,60,.15); color: var(--bad);
  border: 1px solid rgba(231,76,60,.4); padding: 10px 14px; border-radius: 6px;
}

.error-box { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 32px; max-width: 560px; }
.error-box a { color: var(--accent); }

/* Login page */
body.login-page { display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 340px; display: flex; flex-direction: column; gap: 16px; }
.brand-big { font-size: 28px; font-weight: 700; text-align: center; }
.login-card label { display: flex; flex-direction: column; gap: 6px; }
.login-card label > span { font-size: 13px; color: var(--muted); }
.login-card input { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); padding: 10px 12px; border-radius: 6px; font: inherit; }
.login-card button { background: var(--accent); color: white; border: none; padding: 12px; border-radius: 6px; font: inherit; font-weight: 600; cursor: pointer; }
.login-card button:hover { background: var(--accent-2); }

/* Matrix table specifics */
table.matrix .srv, table.matrix .res { line-height: 1.3; }
table.matrix th { white-space: nowrap; }

code { background: var(--surface-2); padding: 1px 6px; border-radius: 3px; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12px; }

/* Dashboard toolbar */
.dashboard-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 16px;
}
.dashboard-actions { display: flex; gap: 12px; align-items: center; }
.kick-msg {
  color: var(--accent-2); background: rgba(79,140,255,.12);
  border: 1px solid rgba(79,140,255,.3); padding: 4px 10px; border-radius: 4px;
  font-size: 12px; animation: kickfade .25s ease-out;
}
@keyframes kickfade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* Small "ping ▸" link inside headers/resource cells */
.link-mini {
  background: none; border: 1px solid var(--border); color: var(--accent-2);
  padding: 1px 6px; border-radius: 4px; font-size: 11px; cursor: pointer;
  margin-left: 6px; display: inline-block; vertical-align: middle;
}
.link-mini:hover { background: var(--surface-2); border-color: var(--accent); }

/* Per-cell "▸" button (appears on hover) */
.cell-wrap { position: relative; display: inline-flex; align-items: center; gap: 4px; }
.cell-ping {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
  width: 22px; height: 22px; border-radius: 4px; font-size: 12px; line-height: 1;
  cursor: pointer; opacity: 0; transition: opacity .15s, background .15s;
  display: inline-flex; align-items: center; justify-content: center;
}
table.matrix tr:hover .cell-ping { opacity: 1; }
.cell-ping:hover { background: var(--accent); color: white; border-color: var(--accent); }

/* Flash animation on cell update */
.cell.flash { animation: cellflash .7s ease-out; }
@keyframes cellflash {
  0%   { box-shadow: 0 0 0 2px var(--accent); }
  100% { box-shadow: 0 0 0 0 transparent; }
}