:root {
  --surface: var(--dc-surface);
  --surface-raised: var(--dc-surface-raised);
  --surface-deep: var(--dc-surface-deep);
  --accent: var(--dc-brand-orange);
  --charging: var(--dc-status-charging);
  --charging-tint: var(--dc-status-charging-background);
  --amber: var(--dc-status-discharging);
  --amber-tint: var(--dc-status-discharging-background);
  --error: var(--dc-status-error);
  --error-tint: var(--dc-status-error-background);
  --muted: var(--dc-text-muted);
  --border: var(--dc-border);
  --radius: 18px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--dc-text);
  background: var(--dc-background);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; min-height: 100dvh; background: radial-gradient(circle at 78% 8%, var(--dc-brand-glow) 0, transparent 28%), linear-gradient(145deg, var(--dc-background), var(--dc-background-raised) 55%, var(--dc-background)); -webkit-text-size-adjust: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }
button, input, dialog { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
[hidden] { display: none !important; }
.app-shell { max-width: 1352px; margin: auto; padding: 0 40px; }
.masthead { min-height: 114px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.identity, .header-actions { display: flex; align-items: center; gap: 22px; }
.brand-logo-link { display: block; border-radius: 12px; flex-shrink: 0; }
.brand-logo-link img { display: block; width: 56px; height: 56px; object-fit: contain; }
.product { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.company-link { color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .15em; text-decoration: none; text-transform: uppercase; }
.company-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.product-name { color: var(--dc-heading); font-size: 29px; font-weight: 700; letter-spacing: -.035em; white-space: nowrap; }
.mode-chip { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 12px; white-space: nowrap; }
.mode-chip > span { color: var(--accent); font-size: 17px; }
.icon-button { border: 1px solid var(--border); background: transparent; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; color: var(--muted); border-radius: 9px; font-size: 27px; }
.icon-button:hover { background: var(--surface-raised); color: var(--dc-text); }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.icon-button svg { width: 18px; height: 18px; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin: 32px 0 24px; }
.eyebrow { color: var(--accent); font-size: 10px; letter-spacing: .14em; font-weight: 800; margin: 0 0 11px; }
h1 { color: var(--dc-heading); font-size: 31px; line-height: 1.15; letter-spacing: -.035em; font-weight: 700; margin: 0; }
.connection-summary { display: flex; flex-direction: column; align-items: flex-end; gap: 9px; }
.connection-chip { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 550; color: var(--charging); }
.status-dot { width: 6px; height: 6px; border-radius: 100%; display: inline-block; background: var(--charging); flex-shrink: 0; }
.status-dot.live { background: var(--charging); box-shadow: 0 0 0 3px var(--charging-tint); }
.status-dot.stale, .connection-chip.stale .status-dot { background: var(--amber); }
.status-dot.waiting, .connection-chip.waiting .status-dot { background: var(--muted); }
.connection-chip.waiting { color: var(--muted); }
.connection-chip.stale { color: var(--amber); }
.small-text { font-size: 11px; color: var(--muted); line-height: 1.4; }
.banner { margin-bottom: 18px; padding: 13px 17px; border: 1px solid var(--border); border-radius: 10px; font-size: 12px; line-height: 1.6; }
.notice-banner { color: var(--amber); background: var(--amber-tint); }
.alert-banner { color: var(--error); background: var(--error-tint); }
.demo-banner { background: var(--surface-raised); color: var(--dc-text); display: flex; gap: 16px; align-items: center; justify-content: space-between; }
.demo-banner strong { color: var(--amber); }
.demo-controls { display: flex; gap: 5px; flex-wrap: wrap; }
.demo-button { background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: 5px 9px; font-size: 10px; color: var(--muted); }
.demo-button.active { color: var(--dc-button-ink); background: var(--accent); border-color: var(--accent); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.37fr 1fr; gap: 18px; }
/* Keep the header as the opening view; a scroll can park on the readings. */
.battery-readings { min-height: calc(100vh - 16px); min-height: calc(100dvh - 16px); scroll-snap-align: start; scroll-snap-stop: always; }
html.dashboard-detent { scroll-snap-type: y proximity; scroll-padding-top: 16px; }
.masthead { scroll-snap-align: start; scroll-margin-top: -16px; }
/* Leave room for a further swipe to reach the controls below the parked view. */
.dashboard-tail { min-height: 160px; scroll-snap-align: start; }
.soc-panel { padding: 26px 30px 0; position: relative; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.metric-label { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: 1.3px; display: inline-flex; gap: 9px; align-items: center; }
.small-icon { width: 20px; height: 20px; color: var(--muted); flex-shrink: 0; }
.source-mini { color: var(--muted); font-size: 10px; }
.soc-main { display: flex; align-items: center; justify-content: space-between; margin: 8px 0 13px; gap: 20px; }
.soc-numeral { display: flex; align-items: baseline; gap: 10px; font-variant-numeric: tabular-nums; }
#soc-value { font-size: clamp(100px, 10.4vw, 144px); font-weight: 450; line-height: 1.2; letter-spacing: -9px; }
.soc-unit { font-size: 39px; color: var(--muted); letter-spacing: -1px; font-weight: 350; }
.soc-descriptor { display: flex; flex-direction: column; gap: 9px; padding-top: 13px; }
.soc-descriptor > span:last-child { font-size: 12px; color: var(--muted); max-width: 180px; line-height: 1.5; }
.soc-gauge { height: 12px; display: flex; gap: 7px; }
.soc-segment { flex: 1; border-radius: 3px; background: var(--dc-background); transition: background-color .4s ease; }
.soc-segment.active { background: var(--reserve-colour); }
.soc-gauge[data-level=green] { --reserve-colour: var(--dc-status-charging); }
.soc-gauge[data-level=yellow] { --reserve-colour: var(--dc-reserve-yellow); }
.soc-gauge[data-level=amber] { --reserve-colour: var(--dc-reserve-amber); }
.soc-gauge[data-level=orange] { --reserve-colour: var(--dc-brand-orange); }
.soc-gauge[data-level=red] { --reserve-colour: var(--dc-status-error); }
.gauge-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 9px; margin-top: 8px; }
.remaining-row { margin-top: 24px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 19px 0 21px; }
.remaining-label { display: flex; align-items: center; gap: 12px; }
.remaining-label > div { display: flex; flex-direction: column; gap: 5px; }
.remaining-value { font-size: 23px; letter-spacing: -.6px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.power-panel { padding: 26px 28px 0; display: flex; flex-direction: column; background: var(--surface-deep); }
.power-main { font-size: clamp(70px, 7.5vw, 105px); font-weight: 430; line-height: 1.2; display: flex; align-items: baseline; gap: 11px; margin-top: 19px; font-variant-numeric: tabular-nums; letter-spacing: -4px; }
.power-main .reading-unit { font-size: 26px; letter-spacing: 0; }
.power-state { display: flex; align-items: center; gap: 10px; margin: 7px 0 23px; font-size: 14px; font-weight: 520; }
.power-arrow { width: 29px; height: 29px; border-radius: 8px; background: var(--surface-raised); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; }
.power-panel.charging .power-main, .power-panel.charging .power-state { color: var(--charging); }
.power-panel.charging .power-arrow { background: var(--charging-tint); }
.power-panel.discharging .power-main, .power-panel.discharging .power-state { color: var(--amber); }
.power-panel.discharging .power-arrow { background: var(--amber-tint); }
.power-panel.unavailable .power-main, .power-panel.unavailable .power-state { color: var(--muted); }
.power-footer { margin-top: auto; border-top: 1px solid var(--border); padding: 19px 0 24px; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); gap: 10px; }
#current-value { font-size: 16px; color: var(--dc-text); font-variant-numeric: tabular-nums; }
.readings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.reading-panel { padding: 23px 26px; }
.reading { display: flex; align-items: baseline; gap: 8px; font-size: 43px; font-weight: 450; letter-spacing: -1.9px; font-variant-numeric: tabular-nums; margin: 17px 0 11px; }
.reading-unit { font-size: 19px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.card-note { font-size: 11px; color: var(--muted); margin: 0; line-height: 1.5; }
.solar-panel .reading { color: var(--charging); }
.note-separator { margin: 0 8px; opacity: .6; }
.systems-panel { margin-top: 18px; padding: 21px 26px 0; }
.systems-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
h2 { color: var(--dc-heading); font-size: 15px; font-weight: 700; letter-spacing: -.2px; margin: 0; }
.device-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 23px 0 22px; }
.device-row + .device-row { border-left: 1px solid var(--border); padding-left: 22px; }
.device-title { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 550; }
.device-model { margin-left: auto; font-size: 10px; font-weight: 400; color: var(--muted); white-space: nowrap; }
.device-info { display: flex; justify-content: space-between; gap: 12px; margin: 9px 0 0 15px; font-size: 10px; color: var(--muted); line-height: 1.6; }
.device-age { white-space: nowrap; }
.protect-details { border-top: 1px solid var(--border); padding: 13px 0; display: flex; align-items: center; gap: 25px; font-size: 10px; color: var(--muted); flex-wrap: wrap; }
.protect-details strong { color: var(--dc-text); font-weight: 500; margin-left: 4px; }
#protect-state-detail { margin-left: auto; }
.tablet-controls { display: flex; align-items: center; margin-top: 22px; gap: 20px; }
.tablet-controls > .small-text { margin-left: auto; }
.switch-label { display: flex; align-items: center; gap: 10px; font-size: 12px; cursor: pointer; }
.switch-label input { position: absolute; opacity: 0; width: 32px; height: 20px; }
.switch-track { width: 32px; height: 19px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface-raised); position: relative; }
.switch-track::before { content: ''; position: absolute; width: 13px; height: 13px; border-radius: 50%; top: 2px; left: 2px; background: var(--muted); transition: transform .15s; }
.switch-label input:checked + .switch-track { background: var(--accent); }
.switch-label input:checked + .switch-track::before { background: var(--dc-button-ink); transform: translateX(13px); }
.switch-label input:focus-visible + .switch-track { outline: 2px solid var(--accent); outline-offset: 4px; }
.app-footer { display: flex; justify-content: space-between; gap: 25px; color: var(--muted); font-size: 10px; line-height: 1.7; padding: 24px 0 28px; }
.footer-separator { margin: 0 5px; }
.app-footer a { color: var(--accent); text-decoration: none; }
.app-footer a:hover { text-decoration: underline; }
.primary-button { border: 0; background: var(--accent); color: var(--dc-button-ink); padding: 12px 18px; border-radius: 8px; font-size: 12px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; gap: 20px; }
.primary-button:hover { filter: brightness(1.08); }
.secondary-button { background: var(--surface-raised); border: 1px solid var(--border); color: var(--dc-text); border-radius: 8px; padding: 10px 14px; font-size: 11px; }
.quiet-button { border: 0; background: transparent; color: var(--muted); font-size: 11px; padding: 9px 2px; }
.quiet-button:hover { color: var(--dc-text); }
button:disabled { cursor: wait; opacity: .6; }
.login-view { padding: 72px 20px; text-align: center; max-width: 600px; margin: auto; }
.login-emblem { display: flex; align-items: center; justify-content: center; margin: 0 auto 29px; height: 64px; width: 64px; border: 1px solid var(--border); background: var(--surface); border-radius: 18px; color: var(--accent); }
.login-emblem svg { width: 26px; height: 26px; }
.login-view h1 { font-size: 34px; line-height: 1.25; }
.login-description { color: var(--muted); font-size: 14px; line-height: 1.9; margin: 20px 0 32px; }
#login-form { max-width: 330px; margin: auto; text-align: left; }
label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 8px; }
input:not([type=checkbox]) { width: 100%; border: 1px solid var(--border); background: var(--dc-input-background); border-radius: 8px; color: var(--dc-text); padding: 13px 14px; font-size: 13px; min-height: 44px; }
input::placeholder { color: var(--muted); opacity: .7; }
#login-form .primary-button { width: 100%; margin-top: 13px; justify-content: space-between; }
.form-message { color: var(--error); font-size: 12px; line-height: 1.6; margin: 11px 0; }
.login-note { margin-top: 24px; color: var(--muted); font-size: 10px; }
dialog { width: min(670px, calc(100% - 32px)); max-height: calc(100% - 40px); overflow: auto; color: var(--dc-text); background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 28px; }
dialog::backdrop { background: var(--dc-overlay); backdrop-filter: blur(5px); }
.dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.dialog-heading h2 { font-size: 25px; }
.setup-intro { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 18px 0 22px; }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin: 0 0 20px; }
legend { padding: 0 8px; font-size: 12px; font-weight: 550; }
fieldset label:not(:first-of-type) { margin-top: 14px; }
.field-note { font-size: 10px; color: var(--muted); line-height: 1.6; margin-bottom: 0; }
.checkbox-label { display: flex; align-items: center; gap: 9px; font-size: 12px; line-height: 1.6; }
input[type=checkbox] { accent-color: var(--accent); }
.dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 20px; }
.secret-actions { display: flex; gap: 10px; margin-top: 10px; }
.pairing-note { font-size: 12px; color: var(--muted); line-height: 1.8; }
#pairing-dialog label[for=pairing-token] { margin-top: 24px; }
@media (min-width: 1450px) { .app-shell { padding-top: 16px; }.page-heading { margin-top: 42px; }.hero-grid { gap: 22px; }.soc-panel, .power-panel { padding-top: 32px; }.soc-main { margin-top: 15px; }.power-main { margin-top: 25px; }.remaining-row { margin-top: 31px; }.readings-grid, .systems-panel { margin-top: 22px; }.reading-panel { padding: 28px; }.reading { margin-top: 20px; margin-bottom: 14px; }.systems-panel { padding-top: 25px; } }
@media (max-width: 1000px) { .app-shell { padding: 0 25px; }.identity { gap: 16px; }.soc-panel { padding-left: 24px; padding-right: 24px; }.soc-descriptor { max-width: 124px; }.soc-descriptor .metric-label { font-size: 9px; line-height: 1.6; }.power-panel { padding-left: 24px; padding-right: 24px; }.device-grid { gap: 16px; }.device-row + .device-row { padding-left: 16px; }.device-model { display: none; }.reading-panel { padding: 21px; }.metric-label { font-size: 9px; letter-spacing: .9px; }.power-footer { font-size: 10px; }.remaining-value { font-size: 21px; } }
@media (max-width: 720px) { .app-shell { padding: 0 18px; }.masthead { min-height: 90px; gap: 12px; }.identity { gap: 12px; }.brand-logo-link img { width: 40px; height: 40px; }.company-link { font-size: 9px; letter-spacing: .12em; }.product-name { font-size: 26px; }.header-actions { gap: 10px; }.mode-chip { font-size: 0; }.mode-chip > span { font-size: 16px; }.page-heading { margin: 25px 0 20px; align-items: flex-start; }.eyebrow { font-size: 9px; letter-spacing: 1.5px; margin-bottom: 9px; }h1 { font-size: 26px; }.connection-summary { padding-top: 1px; gap: 7px; }.connection-chip { font-size: 10px; }#last-updated { max-width: 132px; text-align: right; font-size: 9px; }.hero-grid { grid-template-columns: 1fr; gap: 14px; }.soc-panel { padding: 23px 24px 0; }.soc-main { margin-top: 4px; }#soc-value { font-size: 112px; letter-spacing: -7px; }.soc-descriptor { max-width: none; }.soc-descriptor .metric-label { font-size: 9px; }.soc-unit { font-size: 33px; }.remaining-row { margin-top: 20px; padding-bottom: 20px; }.power-panel { padding-top: 21px; }.power-main { font-size: 68px; margin-top: 9px; line-height: 1.1; }.power-state { margin: 7px 0 15px; font-size: 13px; }.power-footer { padding: 14px 0 19px; }.readings-grid { grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }.reading-panel { padding: 20px; }.reading { font-size: 36px; margin: 17px 0 9px; }.reading-panel .small-icon { display: none; }.solar-panel { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; }.solar-panel .panel-heading { grid-column: 1; }.solar-panel .reading { grid-column: 2; grid-row: 1 / span 2; justify-content: flex-end; margin: 0; }.solar-panel .card-note { grid-column: 1; margin-top: 10px; }.systems-panel { margin-top: 14px; padding: 20px 21px 0; }.systems-heading .small-text { font-size: 9px; max-width: 100px; text-align: right; }.device-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 22px; margin-bottom: 20px; }.device-row + .device-row { border-left: 0; padding-left: 0; }.device-model { display: block; }.device-info { margin-top: 5px; }.protect-details { gap: 12px; padding: 16px 0; line-height: 1.6; }#protect-state-detail { width: 100%; margin-left: 0; }.app-footer { flex-direction: column; gap: 7px; font-size: 9px; padding: 21px 0; }.tablet-controls { flex-wrap: wrap; gap: 12px; }.tablet-controls > .small-text { margin-left: auto; }.tablet-controls > button { margin-left: auto; }.demo-banner { align-items: flex-start; flex-direction: column; gap: 8px; font-size: 11px; }.login-view { padding: 54px 0; }.login-view h1 { font-size: 29px; }.login-description { font-size: 13px; }dialog { padding: 23px; }.dialog-heading h2 { font-size: 22px; }.dialog-footer { align-items: flex-start; }.dialog-footer .quiet-button { max-width: 140px; text-align: left; } }
@media (max-width: 380px) { .app-shell { padding: 0 13px; }.company-link { font-size: 8px; }.identity { gap: 9px; }.product-name { font-size: 24px; }.soc-panel { padding-left: 21px; padding-right: 21px; }.soc-descriptor { max-width: 115px; }.reading-panel { padding: 17px; }.reading { font-size: 31px; }.remaining-detail { font-size: 9px; } }
@media (max-width: 720px) { .masthead { flex-wrap: wrap; padding: 17px 0 15px; }.header-actions { margin-left: auto; } }
/* Keep phone sign-in within the portrait viewport and avoid Safari's input zoom. */
@media (max-width: 720px) {
  input:not([type=checkbox]) { font-size: 16px; }
  .login-view { width: 100%; padding: 28px 0 24px; }
  .login-emblem { width: 48px; height: 48px; margin-bottom: 18px; border-radius: 14px; }
  .login-view h1 { font-size: clamp(24px, 6.5vw, 29px); }
  .login-description { margin: 14px 0 22px; line-height: 1.6; }
  #login-form { width: 100%; }
  .login-note { margin-top: 18px; }
}
@media (max-width: 720px) and (max-height: 600px) {
  .login-view { padding-top: 20px; padding-bottom: 16px; }
  .login-emblem { margin-bottom: 14px; }
  .login-note { margin-top: 14px; }
}
/* A parked tablet should show its key readings and device states together. */
@media (min-width: 721px) and (max-height: 850px) {
  .app-shell { padding-top: 0; }
  .masthead { min-height: 70px; }
  .brand-logo-link img { width: 44px; height: 44px; }
  .product-name { font-size: 25px; }
  .product { gap: 4px; }
  .company-link { font-size: 9px; }
  .page-heading { margin: 19px 0 16px; }
  .page-heading .eyebrow { font-size: 8px; margin-bottom: 7px; }
  .page-heading h1 { font-size: 25px; }
  .banner { padding: 8px 14px; margin-bottom: 16px; font-size: 11px; }
  .hero-grid { gap: 14px; }
  .soc-panel, .power-panel { padding: 18px 25px 0; }
  .soc-main { margin: 2px 0 8px; }
  #soc-value { font-size: 84px; letter-spacing: -5px; }
  .soc-unit { font-size: 29px; }
  .soc-descriptor { padding-top: 6px; }
  .gauge-labels { margin-top: 6px; }
  .remaining-row { margin-top: 14px; padding: 12px 0 14px; }
  .remaining-value { font-size: 22px; }
  .remaining-label > div { gap: 4px; }
  .power-main { font-size: 70px; margin-top: 8px; line-height: 1.1; }
  .power-state { margin: 7px 0 14px; font-size: 12px; }
  .power-arrow { width: 25px; height: 25px; font-size: 19px; }
  .power-footer { padding: 12px 0 16px; }
  .readings-grid { margin-top: 12px; gap: 14px; }
  .reading-panel { padding: 16px 23px; }
  .reading { font-size: 34px; margin: 10px 0 7px; }
  .card-note { font-size: 10px; }
  .systems-panel { margin-top: 12px; padding: 13px 23px 0; }
  .systems-heading h2 { font-size: 13px; }
  .device-grid { margin: 12px 0; }
  .device-info { margin-top: 4px; }
  .protect-details { padding: 8px 0; }
  .tablet-controls { margin-top: 12px; }
  .secondary-button { padding: 8px 12px; }
  .app-footer { padding: 12px 0 13px; font-size: 9px; }
}
/* Android's tablet density can give landscape only 480–600 CSS pixels high. */
@media (min-width: 721px) and (max-height: 600px) {
  .soc-panel, .power-panel { padding-top: 12px; }
  .soc-main { margin: 0 0 4px; }
  .remaining-row { margin-top: 8px; padding: 8px 0 10px; }
  .power-main { margin-top: 4px; }
  .power-state { margin-bottom: 10px; }
  .power-footer { padding: 8px 0 12px; }
  .readings-grid { margin-top: 10px; }
  .reading-panel { padding-top: 12px; padding-bottom: 12px; }
  .reading { margin: 7px 0 5px; }
  .systems-panel { margin-top: 10px; padding-top: 10px; }
  .device-grid { margin: 8px 0; }
  .protect-details { padding: 6px 0; }
}
@media (prefers-reduced-motion: reduce) { *, *::before { transition: none !important; }html.dashboard-detent { scroll-snap-type: none; } }