/* SRV-UI: палитра Terminal Dark */
:root {
  --bg: #0e1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --line: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #26a69a;
  --red: #ef5350;
  --radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; margin: 10px 0 0; line-height: 1.5; }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 12px; }
.center { text-align: center; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* верхняя панель */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: .3px; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--muted); padding: 4px 0; }
.topbar nav a.on { color: var(--text); box-shadow: inset 0 -2px 0 var(--accent); }

main { max-width: 1200px; margin: 0 auto; padding: 20px; }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.page-head h1 { font-size: 20px; margin: 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .6px;
     color: var(--muted); margin: 20px 0 10px; }

/* карточки и формы */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}
.card.danger { border-color: #4a2326; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.cols .narrow { max-width: 200px; }
label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
label small { display: block; margin-top: 4px; }
input, select, textarea {
  width: 100%; margin-top: 5px; padding: 8px 10px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 6px;
  font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input:disabled, input[readonly], textarea[readonly] { color: var(--muted); }
textarea { resize: vertical; }
.checks { display: flex; flex-direction: column; gap: 8px; margin: 12px 0 16px; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); margin: 0; }
label.check input { width: auto; margin: 0; }
form.inline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0; }
form.inline input, form.inline select { width: auto; margin: 0; }

/* кнопки */
.btn, .btn-ghost, .btn-danger {
  padding: 8px 14px; border-radius: 6px; cursor: pointer;
  font: inherit; border: 1px solid transparent; white-space: nowrap;
}
.btn { background: var(--accent); color: #06121f; font-weight: 600; }
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel-2); }
.btn-danger { background: transparent; color: var(--red); border-color: var(--red); }
.btn-danger:hover { background: rgba(239, 83, 80, .12); }

/* таблицы */
table.grid { width: 100%; border-collapse: collapse; background: var(--panel);
             border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.grid th, table.grid td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; }
table.grid th { background: var(--panel-2); color: var(--muted); font-weight: 600;
                font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
table.grid tbody tr:hover { background: var(--panel-2); }
table.grid tbody tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; }

/* метки и сообщения */
.tag { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.tag.green { background: rgba(38, 166, 154, .16); color: var(--green); }
.tag.red { background: rgba(239, 83, 80, .16); color: var(--red); }
.tag.blue { background: rgba(88, 166, 255, .16); color: var(--accent); }
.alert { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid; }
.alert.ok { border-color: var(--green); background: rgba(38, 166, 154, .1); }
.alert.err { border-color: var(--red); background: rgba(239, 83, 80, .1); }

/* вход */
.login-card {
  max-width: 340px; margin: 8vh auto; padding: 28px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 4px 0 20px; }
.login-card .btn { width: 100%; margin-top: 6px; }