/* === Базовые переменные по умолчанию (Dark) ============================ */
* { box-sizing: border-box; }
:root,
[data-theme="dark"] {
  --bg: #0b0f17;
  --bg2: #121826;
  --bg3: #1a2335;
  --fg: #e6ecf3;
  --muted: #7b8aa1;
  --border: #232b3d;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --info: #38bdf8;

  --font-base: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, "JetBrains Mono", monospace;
  --radius: 8px;
  --shadow: none;
  --header-bg: linear-gradient(180deg, #0e1320 0%, var(--bg) 100%);
  --scanlines: none;
  --crt-anim: none;
  --text-glow: none;
}

/* === Light тема ========================================================= */
[data-theme="light"] {
  --bg: #f7f8fb;
  --bg2: #ffffff;
  --bg3: #eef1f6;
  --fg: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --info: #0284c7;

  --header-bg: linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
  --shadow: 0 1px 3px rgba(15,23,42,0.06);
}

/* === Terminal тема (зелёный фосфор + CRT) =============================== */
[data-theme="terminal"] {
  --bg: #000000;
  --bg2: #001100;
  --bg3: #000a00;
  --fg: #00FF41;
  --muted: #007A20;
  --border: #003300;
  --ok: #39FF14;
  --warn: #FFAA00;
  --err: #FF0040;
  --info: #00CC33;

  --font-base: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 0;
  --shadow: 0 0 18px rgba(0,255,65,0.08);
  --header-bg: var(--bg2);
  --text-glow: 0 0 6px currentColor;
}

/* === Общие стили ======================================================== */
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.4 var(--font-base);
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
}

/* CRT scanlines + flicker — только для terminal */
[data-theme="terminal"] body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.08) 2px, rgba(0,0,0,0.08) 4px);
}
@keyframes crt-flicker {
  0%,100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: .97; }
  94% { opacity: 1; }
  97% { opacity: .98; }
  98% { opacity: 1; }
}
[data-theme="terminal"] body { animation: crt-flicker 8s infinite; }
[data-theme="terminal"] h1,
[data-theme="terminal"] h2,
[data-theme="terminal"] h3 { text-shadow: var(--text-glow); letter-spacing: .06em; text-transform: uppercase; }
[data-theme="terminal"] .code.ok,
[data-theme="terminal"] .code.warn,
[data-theme="terminal"] .code.err { text-shadow: var(--text-glow); }

/* === Header ============================================================= */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: 0.2px; }
.muted { color: var(--muted); font-size: 12px; }
.actions { display: flex; align-items: center; gap: 10px; }

button {
  background: var(--bg3);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
button:hover { background: var(--bg2); border-color: var(--info); }

/* Theme switcher segmented control */
.theme-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg3);
}
.theme-switch .ts-btn {
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  border-radius: 0;
  padding: 6px 10px;
  font-size: 14px;
  line-height: 1;
  color: var(--muted);
}
.theme-switch .ts-btn:last-child { border-right: none; }
.theme-switch .ts-btn:hover { color: var(--fg); background: var(--bg2); }
.theme-switch .ts-btn.active {
  background: var(--bg2);
  color: var(--info);
  text-shadow: var(--text-glow);
}
[data-theme="terminal"] .theme-switch .ts-btn.active { color: var(--ok); }

/* === Dot pulse ========================================================== */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
[data-theme="terminal"] .dot { border-radius: 0; box-shadow: 0 0 8px var(--ok); }
.dot.pulse { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); animation: pulse 2s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.6); }
  70%  { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

main { padding: 18px 22px 80px; max-width: 1500px; margin: 0 auto; }

/* === Серверы ============================================================ */
.servers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}
.server-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.server-card .head { display: flex; justify-content: space-between; align-items: baseline; }
.server-card h3 { margin: 0 0 4px; font-size: 13px; font-weight: 600; }
.server-card .ip { color: var(--muted); font-size: 11px; font-family: var(--font-mono); }
.server-card .row { display: flex; justify-content: space-between; margin-top: 6px; font-size: 12px; color: var(--muted); }
.server-card .row b { color: var(--fg); font-weight: 500; font-family: var(--font-mono); }
.bar { display: block; height: 4px; background: var(--bg3); border-radius: 2px; margin-top: 3px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--info); transition: width 0.3s; }
.bar.warn > i { background: var(--warn); }
.bar.err  > i { background: var(--err); }
[data-theme="terminal"] .bar { border-radius: 0; }
[data-theme="terminal"] .bar > i { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
[data-theme="terminal"] .bar.warn > i { background: var(--warn); box-shadow: 0 0 6px var(--warn); }
[data-theme="terminal"] .bar.err > i { background: var(--err); box-shadow: 0 0 6px var(--err); }

.server-card.offline { opacity: 0.55; border-color: var(--err); }
.server-card.offline h3::after { content: " · offline"; color: var(--err); font-weight: 400; font-size: 11px; }

/* === Группы ============================================================= */
.groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 14px;
}
.group {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
}
.group-head {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}
.group-title { display: flex; align-items: baseline; gap: 8px; }
.group-title h2 { margin: 0; font-size: 15px; font-weight: 600; }
.group-title .pill {
  font-size: 10px; padding: 2px 6px; border-radius: 4px;
  background: var(--bg3); color: var(--muted);
  font-family: var(--font-mono);
}
[data-theme="terminal"] .group-title .pill { border-radius: 0; border: 1px solid var(--border); }
.group .descr { color: var(--muted); font-size: 11px; margin-top: 3px; }
.group .server-label { color: var(--muted); font-size: 11px; font-family: var(--font-mono); margin-top: 3px; }

.sites { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--fg);
  font-size: 13px;
  border: 1px solid transparent;
  transition: background 0.12s, border-color 0.12s;
}
[data-theme="terminal"] .site { border-radius: 0; }
.site:hover { background: var(--bg3); border-color: var(--border); }
.site .left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.site .name { font-weight: 500; }
.site .host { color: var(--muted); font-size: 11px; font-family: var(--font-mono); overflow: hidden; text-overflow: ellipsis; }
.site .right { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.site .code {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 4px;
  font-family: var(--font-mono); font-weight: 600;
  background: var(--bg3); color: var(--muted);
}
[data-theme="terminal"] .site .code { border-radius: 0; border: 1px solid var(--border); }
.site .code.ok    { background: rgba(34,197,94,0.15);  color: var(--ok); }
.site .code.warn  { background: rgba(245,158,11,0.15); color: var(--warn); }
.site .code.err   { background: rgba(239,68,68,0.15);  color: var(--err); }
.site .code.pending { background: var(--bg3); color: var(--muted); }
[data-theme="terminal"] .site .code.ok   { background: transparent; border-color: var(--ok); }
[data-theme="terminal"] .site .code.warn { background: transparent; border-color: var(--warn); }
[data-theme="terminal"] .site .code.err  { background: transparent; border-color: var(--err); }
[data-theme="light"] .site .code.ok   { background: #dcfce7; }
[data-theme="light"] .site .code.warn { background: #fef3c7; }
[data-theme="light"] .site .code.err  { background: #fee2e2; }

.local-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; }
.local-list .site .code { background: transparent; color: var(--muted); border: 1px dashed var(--border); }

footer { text-align: center; padding: 20px; color: var(--muted); font-size: 11px; font-family: var(--font-mono); }

@media (max-width: 640px) {
  .topbar { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  main { padding: 12px 14px 60px; }
  .groups { grid-template-columns: 1fr; }
  .local-list { grid-template-columns: 1fr; }
  .actions { flex-wrap: wrap; }
  #health-summary { display: none; }
}