:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  --bg: #0d1117;
  --surface: #161b22;
  --surface-raised: #1c2330;
  --border: #30363d;
  --text: #f0f3f6;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-fill: #17365d;
  --success: #3fb950;
  --danger: #f85149;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
a { color: inherit; }

.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 48px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.brand { font-weight: 750; letter-spacing: -.02em; text-decoration: none; font-size: 20px; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a, .nav button { color: var(--muted); background: transparent; border: 0; border-radius: 7px; padding: 8px 10px; text-decoration: none; cursor: pointer; }
.nav a:hover, .nav a.active, .nav button:hover { color: var(--text); background: var(--surface); }

h1, h2 { margin: 0; letter-spacing: -.025em; }
h1 { font-size: clamp(26px, 4vw, 38px); }
h2 { font-size: 18px; }
.subtitle, .muted { color: var(--muted); }
.subtitle { margin: 7px 0 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin: 30px 0 12px; }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 22px; }
.toolbar + .toolbar { margin-top: 10px; }
.toolbar-label { color: var(--muted); font-size: 13px; margin-right: 2px; }
.pill, .button { border: 1px solid var(--border); border-radius: 8px; color: var(--muted); background: var(--surface); padding: 8px 12px; cursor: pointer; }
.pill:hover, .button:hover { color: var(--text); border-color: #59636e; }
.pill.active, .button.primary { color: #fff; border-color: var(--accent); background: var(--accent-fill); }
.button.danger { color: #ffb3ad; }
.button:disabled { opacity: .5; cursor: not-allowed; }

.view-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-bottom: 2px;
}
.view-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  padding: 7px 12px;
  cursor: pointer;
}
.view-tab:hover { color: var(--text); border-color: #59636e; }
.view-tab.active { color: #fff; border-color: var(--accent); background: var(--accent-fill); }
.view-tab.add { border-style: dashed; }
.view-tab-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  color: inherit;
  opacity: .7;
  font-size: 14px;
  line-height: 1;
}
.view-tab-close:hover { opacity: 1; background: rgba(255,255,255,.12); }

.device-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.device-filter label { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; color: var(--muted); cursor: pointer; }
.device-filter label:has(input:checked) { color: var(--text); border-color: var(--accent); background: var(--accent-fill); }
.device-filter input { accent-color: var(--accent); }

.latest-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 18px; }
.latest-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.latest-title { display: flex; justify-content: space-between; gap: 10px; }
.latest-room { color: var(--muted); font-size: 13px; }
.latest-values { display: flex; gap: 18px; margin-top: 16px; }
.latest-value strong { display: block; font-size: 27px; letter-spacing: -.03em; }
.latest-value span { color: var(--muted); font-size: 12px; }

.charts { display: grid; gap: 16px; margin-top: 16px; }
.chart-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.chart-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 12px; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; }
.legend-swatch { width: 10px; height: 3px; border-radius: 2px; }
.chart-wrap { height: 330px; }
.chart-wrap canvas { cursor: crosshair; }
canvas { width: 100%; height: 100%; }

.status { min-height: 20px; margin-top: 10px; color: var(--muted); font-size: 13px; }
.status.error { color: #ff8c85; }
.status.success { color: #7ee787; }

.admin-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); gap: 18px; margin-top: 22px; align-items: start; }
.stack { display: grid; gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--muted); font-size: 13px; }
.field input, .field select { width: 100%; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); padding: 9px 10px; }
.field input:focus, .field select:focus { outline: 2px solid var(--accent-fill); border-color: var(--accent); }
.checkbox { display: flex; align-items: center; gap: 8px; color: var(--muted); }

.filter-block { margin-top: 14px; }
.filter-block .toolbar-label { display: inline-block; margin-bottom: 8px; }
.filter-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.filter-heading .toolbar-label { margin-bottom: 0; }
.filter-heading .pill { padding: 4px 10px; font-size: 12px; }
.filter-hint { margin: 6px 0 0; font-size: 12px; }
.device-list { display: grid; gap: 10px; margin-top: 14px; }
.device-columns, .location-columns, .source-columns {
  display: grid;
  gap: 9px;
  font-size: 12px;
  margin-top: 10px;
}
.device-columns { grid-template-columns: minmax(120px, .7fr) 1fr 1fr 68px 68px 88px 88px 110px auto auto; }
.location-columns { grid-template-columns: minmax(130px, .8fr) 1fr 1fr 1fr 88px 110px auto auto; }
.source-columns { grid-template-columns: minmax(130px, .8fr) 1fr 1fr 1fr 110px auto auto; }
.device-row, .location-row, .source-row {
  display: grid;
  gap: 9px;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.device-row { grid-template-columns: minmax(120px, .7fr) 1fr 1fr 68px 68px 88px 88px 110px auto auto; }
.location-row { grid-template-columns: minmax(130px, .8fr) 1fr 1fr 1fr 88px 110px auto auto; }
.source-row { grid-template-columns: minmax(130px, .8fr) 1fr 1fr 1fr 110px auto auto; }
.device-id { font-family: ui-monospace, monospace; font-size: 13px; overflow-wrap: anywhere; }
.device-row input[type="text"],
.device-row input[type="number"],
.device-row select,
.location-row input[type="text"],
.location-row input[type="number"],
.source-row input[type="text"],
.source-row select,
.location-row select {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  padding: 8px;
}
.chart-style-cell {
  display: grid;
  gap: 4px;
  justify-items: start;
}
.chart-style-cell input[type="color"] {
  width: 42px;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  cursor: pointer;
}
.chart-style-cell input[type="color"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.chart-auto { font-size: 12px; color: var(--muted); }
.meteo-panel { margin-top: 22px; }
.legend-swatch.dashed { height: 0; border-top: 2px dashed currentColor; background: transparent !important; }
.legend-swatch.dotted { height: 0; border-top: 2px dotted currentColor; background: transparent !important; }
.legend-swatch.dashdot {
  height: 0;
  border-top: 2px dashed currentColor;
  background: transparent !important;
  opacity: 0.85;
}
.legend-swatch.longdash {
  height: 0;
  border-top: 3px dashed currentColor;
  background: transparent !important;
}
.log-table-wrap { overflow-x: auto; margin-top: 4px; }
.log-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.log-table th, .log-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.log-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.log-table td:nth-child(7) { color: var(--muted); max-width: 280px; overflow-wrap: anywhere; }
.log-error td { color: #ffb3ad; }
.config-panel { margin-top: 22px; max-width: 640px; }
.config-panel code {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: #c9d1d9;
}

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.login-card form { display: grid; gap: 14px; margin-top: 22px; }

.empty { color: var(--muted); text-align: center; padding: 30px; border: 1px dashed var(--border); border-radius: 10px; }
.source-manual { color: #d2a8ff; font-size: 11px; }

@media (max-width: 780px) {
  .admin-grid { grid-template-columns: 1fr; }
  .device-columns, .location-columns, .source-columns { display: none; }
  .device-row, .location-row, .source-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
}

@media (max-width: 520px) {
  .shell { width: min(100% - 20px, 1180px); padding-top: 16px; }
  .topbar { align-items: flex-start; }
  .nav { flex-wrap: wrap; justify-content: flex-end; }
  .chart-wrap { height: 280px; }
}