/* PC Monitor — console operativa compatta, con variante chiara/scura. */

:root {
  --bg: #f5f6fa;
  --panel: #ffffff;
  --panel-alt: #fafbfd;
  --border: #e2e5ed;
  --text: #14161f;
  --muted: #6b7280;
  --accent: #5850ec;
  --accent-soft: #eeedfe;
  --ok: #0f8a5f;
  --ok-bg: #e3f7ed;
  --warn: #b5650a;
  --warn-bg: #fcf0dc;
  --danger: #c42b1c;
  --danger-bg: #fbeae8;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --font-ui: -apple-system, "Segoe UI", "Inter", Roboto, sans-serif;
  --font-mono: "Cascadia Code", "JetBrains Mono", Consolas, "SF Mono", monospace;
  --series-cpu: #2a78d6;
  --series-ram: #eb6834;
  --series-disk: #1baf7a;
  --chart-grid: #e1e0d9;
  --chart-axis: #c3c2b7;
}

html[data-theme="dark"] {
  --bg: #0a0b10;
  --panel: #13151c;
  --panel-alt: #171a22;
  --border: #242733;
  --text: #e7e9f0;
  --muted: #8a90a3;
  --accent: #8a85ff;
  --accent-soft: #1d1a3d;
  --ok: #3ddc97;
  --ok-bg: #0f2a20;
  --warn: #f0b24c;
  --warn-bg: #332510;
  --danger: #ff6b5e;
  --danger-bg: #3a1512;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  --series-cpu: #3987e5;
  --series-ram: #d95926;
  --series-disk: #199e70;
  --chart-grid: #2c2c2a;
  --chart-axis: #383835;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar .brand {
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.topbar nav a { margin-right: 14px; color: var(--muted); font-size: 0.84rem; font-weight: 600; }
.topbar nav a:hover { color: var(--text); text-decoration: none; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar .user { color: var(--muted); font-size: 0.8rem; }

.theme-switcher {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
  gap: 2px;
  background: var(--panel-alt);
}
.theme-switcher a {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 600;
}
.theme-switcher a:hover { text-decoration: none; color: var(--text); }
.theme-switcher a.active { background: var(--accent); color: #fff; }

.container {
  max-width: 1080px;
  margin: 20px auto;
  padding: 0 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.panel h2 {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }

.mono { font-family: var(--font-mono); font-size: 0.86em; }

.badge {
  display: inline-block;
  padding: 1px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.muted { background: var(--panel-alt); color: var(--muted); }

.badge.online-badge { position: relative; padding-left: 16px; }
.badge.online-badge::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent);
  animation: pcm-pulse 2s ease-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .badge.online-badge::before { animation: none; }
}
@keyframes pcm-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent); }
  70%  { box-shadow: 0 0 0 6px color-mix(in srgb, var(--ok) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 0%, transparent); }
}

.btn {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-bg); }
.btn.small { padding: 3px 9px; font-size: 0.74rem; }

form.inline { display: inline; }

input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.84rem;
  font-family: inherit;
  background: var(--panel);
  color: var(--text);
}

.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 3px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }

.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}
.stat { background: var(--panel-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.stat .label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-family: var(--font-mono); font-size: 1.2rem; font-weight: 600; margin-top: 3px; }

.donut-stat { position: relative; width: 60px; height: 60px; margin: 6px auto 8px; }
.donut-svg { display: block; }
.donut-label { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.84rem; font-weight: 700; color: var(--text); }
.stat-caption { font-size: 0.68rem; color: var(--muted); margin-top: 6px; font-family: var(--font-mono); }

.icon-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
  border-radius: 50%;
}

dialog.modal {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  padding: 18px 20px;
  width: min(420px, 92vw);
  background: var(--panel);
  color: var(--text);
}
dialog.modal::backdrop {
  background: rgba(0, 0, 0, 0.4);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.modal-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.login-wrap {
  max-width: 320px;
  margin: 100px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
}
.login-wrap h1 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

.flash-error {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 8px 12px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-size: 0.84rem;
}
.flash-ok {
  background: var(--ok-bg);
  color: var(--ok);
  padding: 8px 12px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-size: 0.84rem;
}

.muted { color: var(--muted); }
.text-right { text-align: right; }

details.panel > summary { cursor: pointer; list-style: none; display: flex; align-items: center; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary h2 { display: flex; align-items: center; gap: 6px; flex: 1; }
details.panel > summary h2::before { content: "▸"; display: inline-block; font-size: 0.9em; transition: transform 0.15s; }
details.panel[open] > summary h2::before { transform: rotate(90deg); }
details.panel:not([open]) > summary h2 { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }

.panel-drag-handle {
  cursor: grab;
  color: var(--muted);
  margin-right: 8px;
  font-size: 1rem;
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}
.panel-drag-handle:active { cursor: grabbing; }
[data-panel-container] > [data-panel-id] { transition: opacity 0.15s; }
[data-panel-container] > [data-panel-id].dragging { opacity: 0.35; }

.prog-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 6px;
  color: #fff;
  font-size: 0.64rem;
  font-weight: 700;
  margin-right: 7px;
  vertical-align: middle;
  flex-shrink: 0;
}

.prog-icon-img {
  width: 19px;
  height: 19px;
  object-fit: contain;
  margin-right: 7px;
  vertical-align: middle;
  flex-shrink: 0;
  background: #fff;
  border-radius: 6px;
  padding: 3px;
}

.trend-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.trend-legend { display: flex; gap: 14px; flex-wrap: wrap; }
.trend-legend-item { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--muted); }
.trend-legend-key { width: 14px; height: 2px; border-radius: 1px; display: inline-block; }
.trend-wrap { position: relative; }
.trend-svg { display: block; }
.trend-tooltip {
  position: absolute;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  padding: 8px 10px;
  font-size: 0.76rem;
  pointer-events: none;
  white-space: nowrap;
  z-index: 5;
}
.trend-tooltip-time { color: var(--muted); font-size: 0.7rem; margin-bottom: 4px; }
.trend-tooltip-row { display: flex; align-items: center; gap: 6px; }
.trend-tooltip-key { width: 10px; height: 2px; display: inline-block; }
.trend-tooltip-name { color: var(--muted); margin-right: 10px; }
.trend-tooltip-value { margin-left: auto; font-family: var(--font-mono); }
.trend-table { margin-top: 10px; }