:root {
  color-scheme: dark;
  --bg: #0f1218;
  --panel: #181f2a;
  --muted: #9aa8b8;
  --text: #edf3fb;
  --accent: #64d2ff;
  --green: #65d68a;
  --yellow: #ffd166;
  --orange: #ff9f43;
  --red: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #193146, var(--bg) 42rem);
  color: var(--text);
}

body.dashboard-page { overflow: hidden; }

main { width: 100%; max-width: none; margin: 0; padding: 6px; }
.dashboard-page main { height: 100dvh; display: grid; grid-template-rows: auto auto minmax(0, 1fr); gap: 4px; padding: 4px; overflow: hidden; }
header { display: flex; flex-wrap: wrap; gap: 6px; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.dashboard-page header { margin: 0; }
h1 { margin: 0; font-size: clamp(1.15rem, 2.4vw, 1.9rem); line-height: 0.9; letter-spacing: -0.06em; }
h2 { margin: 0; font-size: 0.88rem; }
a { color: var(--accent); }
code { color: #b7e4ff; }
.meta, .status, .hint { color: var(--muted); line-height: 1.25; }
.warning { color: var(--orange); }
.hint { font-size: 0.78rem; }
.menu { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.menu a { display: inline-flex; align-items: center; padding: 4px 7px; border: 1px solid #334155; border-radius: 999px; background: #0d1118; color: var(--text); text-decoration: none; font-weight: 650; font-size: 0.78rem; }
.menu a.active { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, #0d1118); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(105px, 1fr)); gap: 5px; }
.dashboard-page .grid { grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 4px; min-height: 0; }
.card, .panel {
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid #2a3545;
  border-radius: 10px;
  box-shadow: 0 8px 24px #0005;
}
.card { padding: 6px 7px; min-height: 58px; position: relative; overflow: visible; }
.card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--level-color, var(--muted)); }
.card::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% - 1px);
  left: 6px;
  z-index: 20;
  width: min(260px, calc(100vw - 16px));
  padding: 7px 8px;
  border: 1px solid #334155;
  border-radius: 8px;
  background: #050812f5;
  box-shadow: 0 12px 34px #000b;
  color: var(--text);
  font-size: 0.64rem;
  line-height: 1.25;
  letter-spacing: normal;
  text-transform: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-3px);
  transition: opacity 120ms ease, transform 120ms ease, visibility 120ms ease;
  pointer-events: none;
}
.card:hover, .card:focus { z-index: 30; outline: 1px solid color-mix(in srgb, var(--level-color) 70%, white); outline-offset: 1px; }
.card:hover::after, .card:focus::after { opacity: 1; visibility: visible; transform: translateY(0); }
.dashboard-page .grid .card:nth-child(n+8)::after { left: auto; right: 6px; }
.label { color: var(--muted); font-size: 0.57rem; text-transform: uppercase; letter-spacing: 0.055em; padding-right: 42px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.value-row { display: flex; align-items: baseline; gap: 3px; min-width: 0; }
.value { font-size: clamp(0.92rem, 1.6vw, 1.16rem); font-weight: 760; margin-top: 2px; letter-spacing: -0.04em; }
.unit, .limit, .avg { color: var(--muted); }
.unit { font-size: 0.62rem; overflow: hidden; text-overflow: ellipsis; }
.limit { margin-top: 2px; font-size: 0.61rem; line-height: 1.1; }
.avg { margin-top: 1px; font-size: 0.6rem; white-space: nowrap; }
.avg strong { color: var(--text); }
.badge { position: absolute; top: 5px; right: 5px; display: inline-flex; align-items: center; gap: 3px; margin: 0; padding: 1px 5px; border-radius: 999px; background: color-mix(in srgb, var(--level-color) 20%, transparent); color: var(--level-color); font-weight: 720; font-size: 0.57rem; }
.dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }

.panel { padding: 6px; margin-top: 6px; }
.dashboard-page .panel { min-height: 0; margin: 0; display: grid; grid-template-rows: auto auto auto minmax(0, 1fr) auto; gap: 3px; position: relative; overflow: hidden; }
.chart-wrap { position: relative; min-height: 0; }
#chart { width: 100%; height: 100%; min-height: 0; max-height: none; display: block; background: #0d1118; border-radius: 8px; overflow: hidden; }
.chart-toolbar { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; margin: 0; }
.chart-toolbar label { min-width: 148px; font-size: 0.68rem; }
.chart-controls { display: flex; gap: 3px; flex-wrap: wrap; margin: 0; }
.metric-toggle { display: inline-flex; align-items: center; gap: 3px; padding: 2px 5px; border: 1px solid #334155; border-radius: 999px; background: #0d1118; cursor: pointer; user-select: none; font-size: 0.66rem; }
.metric-toggle input { width: auto; accent-color: var(--accent); }
.chart-fallback { display: grid; place-items: center; min-height: 280px; padding: 18px; color: var(--muted); text-align: center; }
.apex-tooltip { padding: 8px; min-width: 230px; background: #050812ee; border: 1px solid #334155; border-radius: 10px; box-shadow: 0 12px 40px #000b; }
.apex-tooltip strong { display: block; margin-bottom: 4px; color: var(--text); }
.apex-tooltip-row { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); }
.apex-tooltip-row span:last-child { color: var(--text); }
.apexcharts-tooltip { background: transparent !important; border: 0 !important; box-shadow: none !important; }
.apexcharts-menu { background: #0d1118 !important; border-color: #334155 !important; }
.apexcharts-menu-item:hover { background: #253044 !important; }

form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; }
input, select, button { width: 100%; border: 1px solid #334155; border-radius: 8px; background: #0d1118; color: var(--text); padding: 5px 7px; font: inherit; }
button { cursor: pointer; background: linear-gradient(135deg, #2563eb, #0891b2); border: 0; font-weight: 720; }
button.secondary { background: #253044; }
pre { white-space: pre-wrap; overflow: auto; background: #0b0f15; border-radius: 10px; padding: 8px; max-height: 260px; }
.panel-status { display: flex; justify-content: space-between; gap: 8px; min-width: 0; }
.status { font-size: 0.68rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-details { position: absolute; right: 7px; bottom: 7px; max-width: min(520px, calc(100% - 14px)); z-index: 5; }
.compact-details[open] { background: #050812f2; border: 1px solid #334155; border-radius: 10px; padding: 7px; box-shadow: 0 12px 40px #000b; }
.compact-details summary { cursor: pointer; color: var(--accent); font-weight: 720; font-size: 0.68rem; text-align: right; }
.compact-details p { margin: 6px 0; }
.compact-details pre { max-height: 210px; }
.debug-details { margin-top: 8px; }
.debug-details summary { cursor: pointer; color: var(--accent); font-weight: 720; }
.debug-details pre { max-height: 220px; font-size: 0.72rem; }
.firmware-help { margin: 8px 0; padding: 8px 10px; border: 1px solid #334155; border-radius: 10px; background: #0d1118; color: var(--muted); font-size: 0.78rem; line-height: 1.35; }
.firmware-help strong { color: var(--text); }
.firmware-help p { margin: 5px 0 0; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 220px; }
.auth-page { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.auth-panel { width: min(420px, 100%); margin: 0; padding: 18px; }
.auth-panel form { grid-template-columns: 1fr; margin-top: 14px; }
.auth-panel h1 { margin-bottom: 8px; }

.level-green { --level-color: var(--green); }
.level-yellow { --level-color: var(--yellow); }
.level-orange { --level-color: var(--orange); }
.level-red { --level-color: var(--red); }
.level-unknown { --level-color: #64748b; }

@media (max-width: 760px) {
  body.dashboard-page { overflow: auto; }
  .dashboard-page main { height: auto; min-height: 100dvh; display: block; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-page .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-page .grid .card:nth-child(even)::after { left: auto; right: 6px; }
  .dashboard-page .grid .card:nth-child(odd)::after { left: 6px; right: auto; }
  #chart { height: 300px; min-height: 260px; }
}