:root
{
    color-scheme: dark light;
    --bg: #0e1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c232c;
    --bg-overlay: rgba(13, 17, 23, 0.7);
    --border: #2d333b;
    --fg: #e6edf3;
    --fg-dim: #7d8590;
    --accent: #4493f8;
    --warn: #d29922;
    --danger: #f85149;
    --ok: #3fb950;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: light)
{
    :root
    {
        --bg: #f6f8fa;
        --bg-card: #ffffff;
        --bg-card-hover: #f0f3f6;
        --bg-overlay: rgba(255, 255, 255, 0.7);
        --border: #d0d7de;
        --fg: #1f2328;
        --fg-dim: #59636e;
    }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body
{
    background: var(--bg);
    color: var(--fg);
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
}

header
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
}

header h1
{
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.header-meta
{
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.outside
{
    font-size: 12px;
    color: var(--fg-dim);
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.outside.hidden { display: none; }

.link-pill
{
    font-size: 12px;
    color: var(--fg-dim);
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.link-pill:hover { background: var(--bg-card-hover); color: var(--fg); }

.view-toggle
{
    background: var(--bg-card);
    color: var(--fg-dim);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.view-toggle:hover { background: var(--bg-card-hover); color: var(--fg); }

.bell-wrapper { position: relative; }

.bell
{
    background: var(--bg-card);
    color: var(--fg-dim);
    border: 1px solid var(--border);
    border-radius: 999px;
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.bell:hover { background: var(--bg-card-hover); color: var(--fg); }

.bell-badge
{
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    padding: 0 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.bell-badge.hidden { display: none; }

.bell-dropdown
{
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(360px, calc(100vw - 24px));
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    z-index: 100;
    overflow: hidden;
}

.bell-dropdown.hidden { display: none; }

.dropdown-head
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.link-btn
{
    background: transparent;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 12px;
    padding: 0;
}

.link-btn:hover { text-decoration: underline; }

.dropdown-list
{
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 50vh;
    overflow-y: auto;
}

.dropdown-list li
{
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.dropdown-list li:last-child { border-bottom: none; }
.dropdown-list li:hover { background: var(--bg-card-hover); }

.dropdown-list li.alert-read { opacity: 0.55; }

.dropdown-list .alert-msg { font-size: 13px; }
.dropdown-list .alert-when { font-size: 11px; color: var(--fg-dim); font-variant-numeric: tabular-nums; }

.dropdown-list .empty-state
{
    padding: 20px;
    text-align: center;
    color: var(--fg-dim);
    font-size: 12px;
    cursor: default;
}

.dropdown-list .empty-state:hover { background: transparent; }

.dropdown-foot
{
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.dropdown-foot a
{
    color: var(--accent);
    font-size: 12px;
    text-decoration: none;
}

.dropdown-foot a:hover { text-decoration: underline; }

.delete-btn
{
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(248, 81, 73, 0.4);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    align-self: flex-start;
}

.delete-btn:hover { background: rgba(248, 81, 73, 0.1); }

.status
{
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-connecting { background: rgba(210, 153, 34, 0.15); color: var(--warn); }
.status-live       { background: rgba(63, 185, 80, 0.15); color: var(--ok); }
.status-down       { background: rgba(248, 81, 73, 0.15); color: var(--danger); }

main
{
    flex: 1;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.sensors
{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}

.card
{
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 18px;
    transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
    position: relative;
    overflow: hidden;
}

.card:hover { background: var(--bg-card-hover); }

.card.fresh { animation: pulse 700ms ease-out; }

@keyframes pulse
{
    0%   { box-shadow: 0 0 0 0 rgba(68, 147, 248, 0.45); }
    100% { box-shadow: 0 0 0 14px rgba(68, 147, 248, 0); }
}

.card .pill
{
    position: absolute;
    top: 14px;
    right: 14px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

.status-ok    .pill { color: var(--ok);     background: var(--ok); }
.status-warn  .pill { color: var(--warn);   background: var(--warn); }
.status-alert .pill { color: var(--danger); background: var(--danger); }
.status-silent .pill { color: var(--danger); background: var(--danger); animation: blink 1.4s infinite; }
.status-unknown .pill { color: var(--fg-dim); background: var(--fg-dim); }

@keyframes blink
{
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

.status-alert  { border-color: rgba(248, 81, 73, 0.55); }
.status-silent { border-color: rgba(248, 81, 73, 0.55); }
.status-warn   { border-color: rgba(210, 153, 34, 0.55); }

.card-head
{
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-right: 22px;
}

.card-icon
{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-dim);
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.status-warn  .card-icon { color: var(--warn); }
.status-alert .card-icon { color: var(--danger); }
.status-silent .card-icon { color: var(--danger); opacity: 0.6; }

.card-label
{
    font-weight: 600;
    font-size: 15px;
    flex: 1;
    border: 1px dashed transparent;
    border-radius: 6px;
    padding: 2px 6px;
    margin-left: -6px;
    cursor: text;
    outline: none;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-label:hover  { border-color: var(--border); }
.card-label:focus  { border-color: var(--accent); border-style: solid; background: var(--bg); }

.settings-btn
{
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg-dim);
    border-radius: 6px;
    cursor: pointer;
    width: 28px;
    height: 28px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 120ms ease, border-color 120ms ease;
}

.settings-btn:hover { color: var(--fg); border-color: var(--fg-dim); }

.advanced-only { display: block; }
body.simple-mode .advanced-only { display: none !important; }
body.simple-mode .card-uid { display: none !important; }
body.simple-mode .card-foot-right { display: none !important; }
body.simple-mode .settings-btn { display: none !important; }
body.simple-mode .card-label { cursor: default; pointer-events: none; }

.metrics
{
    display: flex;
    gap: 18px;
    margin-bottom: 10px;
}

.metric
{
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.metric-value
{
    font-size: 30px;
    font-weight: 600;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.metric-unit
{
    font-size: 15px;
    font-weight: 400;
    color: var(--fg-dim);
    margin-left: 2px;
}

.metric-label
{
    font-size: 11px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.metric-range
{
    font-size: 11px;
    color: var(--fg-dim);
    font-variant-numeric: tabular-nums;
    margin-top: 2px;
}

.metric-line
{
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
}

.metric-sub
{
    font-size: 11px;
    color: var(--fg-dim);
    margin-top: 2px;
    font-variant-numeric: tabular-nums;
}

.metric-sub.hidden { display: none; }

.trend
{
    font-size: 12px;
    font-weight: 600;
    margin-left: 4px;
    color: var(--fg-dim);
    line-height: 1;
}

.trend.trend-up   { color: var(--warn); }
.trend.trend-down { color: var(--accent); }
.trend.trend-flat { color: var(--fg-dim); opacity: 0.6; }

.card-delta
{
    display: flex;
    margin-top: 4px;
    margin-bottom: 4px;
}

.card-delta.hidden { display: none; }

.delta-badge
{
    font-size: 11px;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--fg-dim);
    font-variant-numeric: tabular-nums;
}

.delta-badge.delta-hot
{
    color: var(--danger);
    border-color: rgba(248, 81, 73, 0.4);
    background: rgba(248, 81, 73, 0.08);
}

.delta-badge.delta-cool
{
    color: var(--accent);
    border-color: rgba(68, 147, 248, 0.4);
    background: rgba(68, 147, 248, 0.08);
}

.vigilance-banner
{
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    padding: 12px 16px;
    margin-bottom: 12px;
}

.vigilance-banner.hidden { display: none; }

.vigilance-pill
{
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px currentColor;
}

.vigilance-banner[data-level="green"]  { border-color: rgba(63, 185, 80, 0.4); }
.vigilance-banner[data-level="green"]  .vigilance-pill { background: var(--ok); color: var(--ok); }
.vigilance-banner[data-level="yellow"] { border-color: rgba(210, 153, 34, 0.45); }
.vigilance-banner[data-level="yellow"] .vigilance-pill { background: var(--warn); color: var(--warn); }
.vigilance-banner[data-level="orange"] { border-color: rgba(240, 136, 62, 0.55); background: linear-gradient(135deg, rgba(240, 136, 62, 0.10), rgba(240, 136, 62, 0.03)); }
.vigilance-banner[data-level="orange"] .vigilance-pill { background: #f0883e; color: #f0883e; }
.vigilance-banner[data-level="red"]    { border-color: rgba(248, 81, 73, 0.6); background: linear-gradient(135deg, rgba(248, 81, 73, 0.14), rgba(248, 81, 73, 0.04)); }
.vigilance-banner[data-level="red"]    .vigilance-pill { background: var(--danger); color: var(--danger); animation: blink 1.4s infinite; }

.vigilance-text
{
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.vigilance-text strong { font-size: 13px; font-weight: 600; }
.vigilance-text span   { font-size: 12px; color: var(--fg-dim); }

.pull-indicator
{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    transform: translateY(-60px);
    text-align: center;
    color: var(--fg-dim);
    font-size: 12px;
    padding: 12px 0;
    opacity: 0;
    transition: transform 0.18s ease-out, opacity 0.18s ease-out;
    pointer-events: none;
    z-index: 50;
}

@media (max-width: 768px)
{
    .link-pill { padding: 8px 12px; min-height: 44px; display: inline-flex; align-items: center; }
    .bell { min-width: 44px; min-height: 44px; }
    .settings-btn { min-width: 44px; min-height: 44px; }
    .card-label { padding: 6px 4px; }
    header h1 { font-size: 18px; }
}

.heat-banner
{
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(248, 81, 73, 0.12), rgba(210, 153, 34, 0.12));
    border: 1px solid rgba(248, 81, 73, 0.35);
    border-radius: 14px;
    padding: 14px 18px;
    margin-bottom: 14px;
    color: var(--fg);
}

.heat-banner.hidden { display: none; }
.heat-banner[data-level="ok"] { border-color: rgba(63, 185, 80, 0.4); background: linear-gradient(135deg, rgba(63, 185, 80, 0.10), rgba(63, 185, 80, 0.04)); }
.heat-banner[data-level="warn"] { border-color: rgba(210, 153, 34, 0.4); }
.heat-banner[data-level="alert"], .heat-banner[data-level="danger"], .heat-banner[data-level="extreme"]
{
    border-color: rgba(248, 81, 73, 0.55);
    background: linear-gradient(135deg, rgba(248, 81, 73, 0.16), rgba(210, 153, 34, 0.10));
}

.heat-icon
{
    display: inline-flex;
    align-items: center;
    color: var(--danger);
}

.heat-text
{
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.heat-text strong { font-size: 14px; font-weight: 600; }
.heat-text span   { font-size: 13px; color: var(--fg-dim); }

.forecast-strip
{
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px 8px;
    margin-bottom: 14px;
}

.forecast-strip.hidden { display: none; }

.forecast-head
{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 4px;
    gap: 12px;
}

.forecast-title
{
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
}

.forecast-summary
{
    font-size: 12px;
    color: var(--fg);
    font-variant-numeric: tabular-nums;
}

.forecast-chart
{
    width: 100%;
    height: 70px;
    display: block;
}

.forecast-ticks
{
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--fg-dim);
    font-variant-numeric: tabular-nums;
    margin-top: 2px;
}

.forecast-ticks span { text-align: center; line-height: 1.2; }
.forecast-ticks strong { font-size: 11px; color: var(--fg); }

.advisor
{
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    margin-bottom: 14px;
    font-size: 13px;
}

.advisor.hidden { display: none; }

.advisor-pill
{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border);
    font-weight: 600;
    color: var(--fg-dim);
    flex-shrink: 0;
}

.advisor[data-kind="open"]     { border-color: rgba(63, 185, 80, 0.45); }
.advisor[data-kind="open"]     .advisor-pill { color: var(--ok); border-color: rgba(63, 185, 80, 0.55); }
.advisor[data-kind="close"]    { border-color: rgba(248, 81, 73, 0.45); }
.advisor[data-kind="close"]    .advisor-pill { color: var(--danger); border-color: rgba(248, 81, 73, 0.55); }
.advisor[data-kind="marginal"] .advisor-pill { color: var(--warn); }
.advisor[data-kind="hold"]     .advisor-pill { color: var(--fg-dim); }

.advisor-text { color: var(--fg); }

.sparkline
{
    width: 100%;
    height: 32px;
    display: block;
    margin-top: 4px;
}

.sparkline path { fill: none; stroke-width: 1.6; }
.sparkline .sparkline-temp { stroke: var(--accent); }
.sparkline .sparkline-hum  { stroke: var(--fg-dim); stroke-dasharray: 2 3; opacity: 0.7; }

.card-foot
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: var(--fg-dim);
    margin-top: 10px;
}

.card-uid
{
    font-size: 11px;
    color: var(--fg-dim);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.battery-low { color: var(--danger); font-weight: 600; }
.silent-warning { color: var(--danger); font-weight: 600; }

.empty
{
    text-align: center;
    color: var(--fg-dim);
    margin-top: 40px;
    font-size: 14px;
}

.empty.hidden { display: none; }

footer
{
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    color: var(--fg-dim);
    font-size: 11px;
    display: flex;
    justify-content: center;
    gap: 8px;
    font-variant-numeric: tabular-nums;
}

.sep { opacity: 0.4; }

dialog
{
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-card);
    color: var(--fg);
    padding: 0;
    max-width: 480px;
    width: 92vw;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

dialog::backdrop { background: rgba(0, 0, 0, 0.55); }

dialog form
{
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 20px;
}

.dialog-head
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    margin: -20px -20px 0 -20px;
    padding: 16px 20px;
}

.dialog-head h2
{
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.dialog-head .close
{
    background: transparent;
    border: none;
    color: var(--fg-dim);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
}

.dialog-foot
{
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    border-top: 1px solid var(--border);
    margin: 14px -20px -20px -20px;
    padding: 14px 20px;
}

dialog button
{
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 13px;
}

dialog button.primary { background: var(--accent); color: white; border-color: var(--accent); }

dialog fieldset
{
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px 12px;
    margin: 0;
}

dialog legend
{
    font-size: 11px;
    text-transform: uppercase;
    color: var(--fg-dim);
    letter-spacing: 0.05em;
    padding: 0 6px;
}

dialog label
{
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

dialog label > span
{
    font-size: 11px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

dialog input
{
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 14px;
    font-family: inherit;
}

dialog input:focus { outline: none; border-color: var(--accent); }

.row
{
    display: flex;
    gap: 10px;
}

.hint
{
    font-size: 11px;
    color: var(--fg-dim);
    margin: 4px 0 0 0;
}

@media (max-width: 540px)
{
    header { padding: 10px 14px; }
    main { padding: 14px; }
    .sensors { grid-template-columns: 1fr; }
    .metric-value { font-size: 26px; }
}