/* MPPT / FIELD OBSERVATORY — presentation only. Live decoding and control remain in app.js. */
:root {
  --bg: #19231f; --surface: #202c26; --surface2: #26332b; --line: #47534a;
  --soft: #29362d; --text: #f1eadc; --muted: #b1bcae; --green: #c0d2a3;
  --cyan: #a9cdca; --danger: #ffb5a3; --paper: #19231f; --wash: #344537;
  --sun: #b99351; --terra: #ad7865; --button-text: #19231f;
  --mono: 'DM Mono', 'Cascadia Code', 'SFMono-Regular', Consolas, monospace;
  --sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', system-ui, sans-serif;
  --serif: 'Iowan Old Style', 'Palatino Linotype', 'Noto Serif SC', 'Songti SC', SimSun, serif;
  --ease: cubic-bezier(.2,.7,.25,1); color-scheme: dark;
}
body.light {
  --bg: #f5f2e9; --surface: #fcfaf4; --surface2: #f0eee3; --line: #d5d5c6;
  --soft: #e9ecdf; --text: #29372e; --muted: #606c5e; --green: #4b633e;
  --cyan: #396b70; --danger: #a64531; --paper: #f5f2e9; --wash: #dce2ce;
  --sun: #e1b568; --terra: #b77e65; --button-text: #fcfaf4; color-scheme: light;
  background: var(--bg);
}
html { scroll-padding-top: 100px; }
body { background: var(--bg); font: 14px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
body::before { content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 20; opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23777766' filter='url(%23n)' opacity='.7' d='M0 0h180v180H0z'/%3E%3C/svg%3E"); }
::selection { background: var(--wash); color: var(--text); }
button, input, select, a { -webkit-tap-highlight-color: transparent; }
button, a, input, select { touch-action: manipulation; }
button { transition: background .2s, border-color .2s, color .2s, transform .2s; }
button:not(:disabled):active { transform: translateY(1px); }
a { color: var(--green); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
input:focus-visible, select:focus-visible { outline-offset: 2px; }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 12px 20px; background: var(--text); color: var(--bg); z-index: 100; }
.skip-link:focus { top: 10px; }
.topbar, .light .topbar { height: 82px; padding: 0 max(32px, calc((100vw - 1312px) / 2));
  grid-template-columns: 1fr auto 1fr; background: var(--bg); backdrop-filter: none; border-color: var(--line); }
.brand { gap: 12px; }
.brand-mark { height: 33px; width: 33px; border: 1px solid var(--green); border-radius: 50%; display: flex; justify-content: center; align-items: center; gap: 3px; transform: rotate(-12deg); }
.brand-mark i { width: 2px; border-radius: 0; background: var(--green); }
.brand-mark i:nth-child(1) { height: 9px; }.brand-mark i:nth-child(2) { height: 17px; }.brand-mark i:nth-child(3) { height: 12px; }
.brand b { font: 600 22px var(--serif); letter-spacing: .02em; }
.brand small { font: 9px var(--mono); letter-spacing: .12em; margin-top: 4px; }
.field-nav { display: flex; align-items: stretch; height: 82px; gap: 30px; }
.field-nav a { display: flex; align-items: center; gap: 8px; position: relative; font-size: 12px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.field-nav a span { font: 9px var(--mono); opacity: .7; }
.field-nav a::after { content: ''; position: absolute; bottom: 0; width: 100%; height: 2px; background: var(--green); transform: scaleX(0); transition: transform .25s var(--ease); }
.field-nav a:hover, .field-nav a.active { color: var(--text); }.field-nav a.active::after { transform: scaleX(1); }
.top-actions { gap: 8px; }.top-actions > span { color: var(--muted); font-size: 11px; display: inline; }
.icon-button { width: 40px; height: 44px; border: 0; background: transparent; border-radius: 50%; color: var(--green); font-size: 22px; }
.icon-button:hover { background: var(--soft); color: var(--text); }
.motion-button { font: 16px var(--mono); }.icon-button:disabled { cursor: default; opacity: .5; }
.cloud-ribbon { max-width: 1312px; margin: 0 auto; padding: 12px 0; display: flex; gap: 24px; align-items: center; justify-content: space-between; border-bottom: 1px dashed var(--line); }
.cloud-ribbon .live-state { display: flex; min-width: 0; gap: 13px; }
.cloud-ribbon .live-state > div { display: flex; gap: 16px; flex-wrap: wrap; align-items: baseline; }
.live-state strong { font-size: 11px; font-weight: 500; white-space: nowrap; }.live-state small { color: var(--muted); font: 10px/1.6 var(--mono); margin: 0; overflow-wrap: anywhere; }
.pulse { flex: 0 0 6px; height: 6px; background: var(--green); box-shadow: 0 0 0 4px var(--soft); animation: none; }
.ribbon-note { white-space: nowrap; font: 9px var(--mono); letter-spacing: .07em; color: var(--muted); }
.ribbon-note i { display: inline-block; width: 3px; height: 3px; background: currentColor; border-radius: 50%; margin: 0 9px 2px; }
main { max-width: 1440px; padding: 0 64px 40px; }
.intro { min-height: 348px; grid-template-columns: 1.05fr 1.1fr .75fr; gap: 24px; position: relative; border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--green); font: 10px/1.5 var(--mono); letter-spacing: .15em; margin: 0 0 10px; }
.intro h1 { font-family: var(--serif); font-size: clamp(39px, 4.1vw, 60px); font-weight: 500; letter-spacing: -.045em; line-height: 1.12; margin: 20px 0 24px; }
.intro h1 span { display: inline-block; font-family: var(--serif); font-size: .65em; letter-spacing: .035em; color: var(--text); margin-top: 12px; }
.intro-meta { max-width: 250px; justify-self: end; padding-top: 30px; }
.intro-meta p { margin: 18px 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.intro-meta > small { font-size: 10px; color: var(--muted); }.intro-meta > small b { display: block; font: 11px/1.8 var(--mono); color: var(--text); margin-top: 4px; }
.result-state { border: 1px solid var(--line); border-radius: 2px; padding: 6px 11px; font-size: 11px; background: var(--surface); color: var(--green); }
.result-state i { box-shadow: none; }.result-state.error { color: var(--danger); border-color: var(--danger); }
.field-illustration { width: 100%; max-width: 490px; margin: 0; color: var(--green); align-self: center; }
.field-illustration svg { display: block; width: 112%; margin-left: -6%; overflow: visible; }
.field-illustration figcaption { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font: 8px var(--mono); letter-spacing: .04em; margin-top: -3px; padding: 0 10px; }
.field-illustration figcaption span:first-child { font-family: var(--serif); font-size: 10px; letter-spacing: .13em; }
.sun-wash { fill: var(--sun); opacity: .45; }.panel-fill { fill: var(--wash); }.battery-fill { fill: var(--surface2); }.battery-cell { fill: var(--green); opacity: .6; }
.art-plant { transform-box: fill-box; transform-origin: center bottom; }
.field-illustration.is-in-view .plant-left { animation: plant-sway 8s ease-in-out infinite alternate; }
.field-illustration.is-in-view .plant-right { animation: plant-sway 10s ease-in-out -3s infinite alternate-reverse; }
.field-illustration.is-in-view .art-signal { animation: signal-breathe 4s ease-in-out infinite; }
@keyframes plant-sway { from { transform: rotate(-1.5deg); } to { transform: rotate(2deg); } }
@keyframes signal-breathe { 50% { opacity: .4; } }
.device-connect { grid-template-columns: .95fr 1.3fr; gap: 14px 40px; padding: 24px 0 20px; margin: 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; }
.device-connect-copy .eyebrow { font-size: 9px; margin-bottom: 6px; }.device-connect-copy h2 { font: 500 21px var(--serif); }
.device-connect-copy > p:last-child { color: var(--muted); font-size: 11px; max-width: 440px; line-height: 1.8; }
.device-form { grid-template-columns: minmax(0,1fr) minmax(0,1fr) auto; gap: 12px; }
.device-form label span, .operator-bar label span { font-size: 10px; }
.device-form input, .operator-bar input, .series-control select, .timer-row input[type=time], .timer-row select { height: 44px; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; color: var(--text); padding: 0 12px; font: 12px var(--mono); min-width: 0; }
.device-form input::placeholder, .operator-bar input::placeholder { color: var(--muted); opacity: .85; }
.device-session-state { font-size: 10px; color: var(--muted); gap: 8px; }.device-session-state i { background: var(--green); }
.action { min-height: 44px; padding: 10px 18px; background: var(--green); border: 1px solid var(--green); color: var(--button-text); border-radius: 3px; font-size: 12px; font-weight: 500; line-height: 1.5; }
.action:hover:not(:disabled) { filter: none; background: var(--text); border-color: var(--text); color: var(--bg); }
.action.secondary { background: transparent; color: var(--green); border-color: var(--line); }
.action.danger { background: var(--surface); border-color: var(--danger); color: var(--danger); }
.action.danger:hover:not(:disabled) { background: var(--danger); border-color: var(--danger); color: var(--bg); }
.action:disabled { opacity: .45; filter: saturate(.45); }
.metrics { gap: 0; margin: 0 0 44px; border-bottom: 1px solid var(--line); counter-reset: metric; }
.metrics article, .light .metrics article { border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; min-height: 147px; padding: 22px 28px; position: relative; }
.metrics article:first-child { padding-left: 0; }.metrics article:last-child { border-right: 0; }
.metrics article::after { counter-increment: metric; content: '0' counter(metric); position: absolute; top: 22px; right: 25px; color: var(--muted); opacity: .6; font: 9px var(--mono); }
.metrics span { font-size: 11px; color: var(--muted); }.metrics small { font-size: 10px; }.metrics strong { font: 400 38px/1.1 var(--mono); letter-spacing: -.055em; margin: 12px 0 7px; color: var(--text); }
.metrics article:last-child strong { color: var(--green); }
.section-heading { margin: 0 0 18px; align-items: center; gap: 15px; }
.section-heading .eyebrow { margin: 0 0 6px; font-size: 9px; }.section-heading h2 { font: 500 27px/1.4 var(--serif); letter-spacing: -.025em; }
.section-heading > span { font: 10px/1.8 var(--mono); color: var(--muted); text-align: right; letter-spacing: .02em; }
.device-meta-section, .gps-section, .live-section { margin: 0 0 42px; }
.device-meta-card, .gps-card, .telemetry-card, .light .telemetry-card, .recent-list, .light .recent-list { border: 1px solid var(--line); border-radius: 5px; background: var(--surface); box-shadow: 0 3px 0 var(--surface2); }
.device-meta-summary > div, .gps-coordinates > div { background: var(--surface2); padding: 18px 20px; }
.device-meta-summary span, .device-meta-summary small { font-size: 10px; }.device-meta-summary strong { font-size: 17px; margin-top: 8px; }
.device-meta-summary .warning strong, .device-meta-empty.unavailable strong { color: var(--danger); }
.device-meta-fields { grid-template-columns: repeat(4,minmax(0,1fr)); }.device-meta-field { padding: 14px 18px; min-height: 77px; background: var(--surface); }
.device-meta-field span { font-size: 10px; }.device-meta-field strong { font: 500 12px/1.7 var(--mono); margin-top: 5px; }
.gps-card > header { background: var(--surface2); padding: 14px 20px; }.gps-card > header small { font-size: 10px; }.gps-card > header a { font-size: 11px; min-height: 44px; display: flex; align-items: center; }
.gps-fix-dot, .gps-card.positioned .gps-fix-dot { box-shadow: none; }.gps-coordinates strong { color: var(--green); font-size: 30px; }
.gps-coordinates span, .gps-coordinates small { font-size: 10px; }.gps-details { grid-template-columns: repeat(4,minmax(0,1fr)); }.gps-details > div { padding: 14px 18px; }
.gps-details span { font-size: 10px; }.gps-details strong { font: 500 12px/1.7 var(--mono); }
.live-section { padding-top: 30px; border-top: 1px solid var(--line); }.live-grid { gap: 18px; }
.card-head { padding: 17px 20px; background: var(--surface2); gap: 12px; }.card-title { gap: 11px; min-width: 0; }.card-title strong { font-size: 13px; overflow-wrap: anywhere; }.card-title small { font-size: 9px; line-height: 1.7; }
.type-icon, .light .type-icon { border-radius: 50%; width: 34px; height: 34px; flex-shrink: 0; background: transparent; border-color: var(--line); color: var(--green); font-size: 11px; }
.card-status { flex-shrink: 0; }.card-status b { font-size: 10px; }.card-status small { font-size: 9px; }
.card-fields { grid-template-columns: repeat(3,minmax(0,1fr)); }.data-field, .light .data-field { background: var(--surface); padding: 15px 18px; min-height: 88px; }
.data-field > span { white-space: normal; overflow: visible; text-overflow: clip; font-size: 10px; overflow-wrap: anywhere; }
.data-field strong { font-size: 14px; white-space: normal; overflow-wrap: anywhere; line-height: 1.65; }
.data-field > small { display: block; color: var(--muted); font-size: 10px; white-space: normal; overflow-wrap: anywhere; }.data-field strong small { font-size: 10px; color: var(--muted); }
.pv-total > span, .pv-total > em, .bms-summary > span, .bms-summary > em { font-size: 10px; }.pv-total > strong, .bms-summary > strong { color: var(--green); font-size: 28px; }
.pv-row { grid-template-columns: 112px repeat(4,minmax(0,1fr)); }.pv-cell { min-height: 66px; }.pv-label { font-size: 11px; }.pv-cell small { font-size: 10px; }.pv-channel { background: var(--soft); color: var(--green); }.pv-cell strong { font-size: 18px; }
.pv-state { color: var(--green); border-color: var(--line); font-size: 11px; border-radius: 3px; }.state-故障 { color: var(--danger); border-color: var(--danger); }.state-受限, .state-等待 { color: var(--muted); border-color: var(--line); }
.pv-channel-detail div span { font-size: 10px; }.pv-channel-detail div b { font: 500 12px/1.7 var(--mono); white-space: normal; overflow-wrap: anywhere; }
.fault-overview.has-fault, .fault-overview.has-fault > .card-head { border-color: var(--danger); background: var(--surface2); }
.fault-total span { font-size: 10px; }.fault-total strong { font-size: 28px; }.fault-row span, .fault-row small { font-size: 10px; }.fault-row b { font-size: 12px; }.fault-row.warning b { color: var(--danger); }.fault-empty span { font-size: 11px; }
.bms-stats { grid-template-columns: repeat(5,minmax(0,1fr)); }.bms-stats span { padding: 14px 18px; font-size: 10px; }.bms-stats b { font-size: 12px; }
.bms-cells { grid-template-columns: repeat(8,minmax(0,1fr)); }.bms-cell { padding: 14px 18px; }.bms-cell span, .bms-cell small { font-size: 10px; }.bms-cell strong { font-size: 18px; }.bms-cell.lowest strong { color: var(--danger); }.bms-cell.highest strong { color: var(--cyan); }
.device-meta-empty, .gps-empty { min-height: 160px; padding: 20px; text-align: center; }.device-meta-empty small, .gps-empty small { font-size: 11px; }
.loading-card, .light .loading-card { background: var(--surface); border-color: var(--line); border-radius: 5px; padding: 26px; }.loading-card small { font-size: 11px; }
.scanner { border-color: var(--line); border-top-color: var(--green); box-shadow: none; }
.debug-section { border-top: 1px solid var(--line); padding-top: 30px; margin-bottom: 42px; }
.operator-bar { background: var(--surface2); padding: 20px; border: 1px solid var(--line); border-radius: 5px 5px 0 0; gap: 16px; }
.operator-bar input { max-width: 100%; }.operation-state { min-height: 44px; height: auto; font-size: 11px; border-radius: 3px; }
.operation-state.success { color: var(--green); border-color: var(--green); }.operation-state.error { border-color: var(--danger); }
.debug-grid { grid-template-columns: 1fr 1fr; border-radius: 0 0 5px 5px; }
.debug-card { padding: 25px; background: var(--surface); min-width: 0; }.debug-card header { gap: 16px; }.debug-card h3 { font: 500 24px/1.4 var(--serif); }.debug-card .eyebrow { font-size: 9px; }.debug-card header > span { font-size: 9px; text-align: right; overflow-wrap: anywhere; }
.debug-card > p { font-size: 12px; line-height: 1.9; margin: 16px 0; }.debug-card > small { font-size: 11px; line-height: 1.8; overflow-wrap: anywhere; }
.load-controls { gap: 12px; }.load-controls > div { background: var(--surface2); border-radius: 3px; gap: 12px; padding: 16px; }.load-controls b { font-size: 14px; }.load-controls span { font: 11px/1.8 var(--mono); }
.load-actions { gap: 6px; }.load-actions .action { padding: 8px; font-size: 11px; }.action.load-off { background: var(--surface); color: var(--green); border-color: var(--line); }
.ota-warning { border: 1px solid var(--line); background: var(--surface2); color: var(--muted); border-radius: 3px; padding: 14px 16px; }.ota-warning b { color: var(--danger); font-size: 12px; }.ota-warning span { color: var(--muted); font-size: 11px; line-height: 1.8; }
.ota-warning.ready { background: var(--soft); border-color: var(--green); color: var(--green); }.ota-warning.ready b { color: var(--green); }
.file-picker input { display: block; position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.file-picker { position: relative; background: transparent; border: 1px dashed var(--line); border-radius: 3px; padding: 23px 16px; min-height: 90px; cursor: pointer; }.file-picker:hover { border-color: var(--green); background: var(--soft); }.file-picker:focus-within { outline: 2px solid var(--green); outline-offset: 3px; }.file-picker strong { font-size: 12px; overflow-wrap: anywhere; }.file-picker small { font-size: 10px; }
.ota-meta { font-size: 10px; gap: 12px; flex-wrap: wrap; }.ota-actions { gap: 14px; flex-wrap: wrap; }.ota-actions > span { font-size: 11px; }.progress { background: var(--soft); height: 5px; border-radius: 0; }.progress i { background: var(--green); }
.series-control { grid-template-columns: minmax(0,1fr) 200px 130px; gap: 16px; }.series-control span { font-size: 11px; }.series-control strong { min-height: 44px; background: var(--surface2); border-radius: 3px; padding: 10px 14px; font: 12px/1.8 var(--mono); }
.timer-table { gap: 10px; margin: 20px 0; }.timer-row { grid-template-columns: 80px 70px 112px minmax(0,1fr) 100px 80px; border-radius: 3px; background: var(--surface2); padding: 14px; gap: 12px; }
.timer-row strong { font-size: 11px; }.timer-row input[type=time], .timer-row select { width: 100%; height: 44px; font-size: 12px; padding: 0 7px; }.timer-row .action { min-height: 44px; padding: 8px 12px; }
.timer-days { gap: 2px 7px; }.timer-days label, .timer-enable { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; gap: 5px; font-size: 11px; cursor: pointer; }
input[type=checkbox] { accent-color: var(--green); width: 16px; height: 16px; flex-shrink: 0; }
.stream-section { border-top: 1px solid var(--line); padding-top: 30px; margin-top: 0; }.stream-row { min-height: 54px; font-size: 11px; padding: 10px 20px; grid-template-columns: 100px 1.2fr 1fr 85px 100px; gap: 16px; }.stream-seq { color: var(--muted); }.stream-topic { display: block; overflow-wrap: anywhere; }.stream-crc { display: block; }
.field-colophon { max-width: 1312px; margin: 10px auto 0; color: var(--green); text-align: center; }.field-colophon svg { width: 100%; height: 100px; display: block; }.field-colophon > span { font: 9px var(--mono); letter-spacing: .17em; color: var(--muted); position: relative; top: -6px; }
footer { height: auto; min-height: 74px; padding: 20px max(32px, calc((100vw - 1312px) / 2)); color: var(--muted); border-top: 0; font: 10px/1.8 var(--mono); gap: 20px; }
footer span:last-child { display: block; }.toast { background: var(--green); color: var(--button-text); border-radius: 4px; padding: 14px 20px; font-size: 12px; max-width: calc(100vw - 32px); }.toast.error { background: var(--danger); color: var(--bg); }
@media (min-width: 1600px) { main { max-width: 1440px; } }
@media (max-width: 1400px) { .cloud-ribbon { margin: 0 40px; } main { padding-left: 40px; padding-right: 40px; }.topbar, .light .topbar { padding: 0 40px; }.field-colophon { margin-left: 40px; margin-right: 40px; }.field-nav { gap: 24px; }.intro { gap: 20px; } }
@media (max-width: 1100px) {
  .topbar, .light .topbar { padding: 0 28px; }.field-nav { gap: 20px; }.top-actions > span { display: none; }
  main { padding: 0 28px 32px; }.cloud-ribbon { margin: 0 28px; }.ribbon-note { display: none; }
  .intro { grid-template-columns: 1fr 1.1fr; gap: 0 30px; padding: 32px 0 26px; min-height: 330px; }.intro > div:first-child { grid-column: 1; grid-row: 1; }.field-illustration { grid-column: 2; grid-row: 1 / 3; }.intro-meta { grid-column: 1; grid-row: 2; padding: 0; max-width: none; justify-self: start; }.intro-meta p { margin: 10px 0; }.intro-meta > small b { display: inline; margin-left: 6px; }.intro h1 { font-size: 50px; margin: 14px 0 20px; }
  .device-connect { grid-template-columns: 1fr; gap: 16px; }.device-form { grid-template-columns: minmax(0,1fr) minmax(0,1fr) auto; }
  .timer-row { grid-template-columns: 75px 70px 112px minmax(0,1fr) 90px 75px; gap: 8px; padding: 12px; }.timer-days { grid-column: auto; }.timer-row .action { grid-column: auto; }
  .card-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }.data-field { padding: 13px; }.bms-cells { grid-template-columns: repeat(6,minmax(0,1fr)); }
}
@media (max-width: 800px) {
  .topbar, .light .topbar { grid-template-columns: 1fr auto; height: 72px; }.field-nav { height: 49px; order: 3; grid-column: 1/-1; justify-content: space-between; gap: 12px; width: 100%; }.topbar, .light .topbar { height: 121px; grid-template-rows: 72px 49px; }.field-nav a { font-size: 12px; }.field-nav a span { font-size: 9px; }.top-actions { grid-column: 2; grid-row: 1; }.top-actions > span { display: inline; }
  html { scroll-padding-top: 140px; }.cloud-ribbon .live-state > div { gap: 4px; display: block; }.live-state strong { margin-bottom: 3px; }.cloud-ribbon { padding: 12px 0; }.live-state small { font-size: 10px; }
  .intro { grid-template-columns: 1fr 1fr; }.intro h1 { font-size: 43px; }.intro h1 span { font-size: .68em; }.eyebrow { font-size: 9px; }.intro-meta p { font-size: 11px; }.field-illustration figcaption { flex-direction: column; gap: 4px; text-align: center; }.field-illustration figcaption span { white-space: normal; }
  .metrics { grid-template-columns: repeat(4,minmax(0,1fr)); }.metrics article, .light .metrics article { padding: 20px 18px; min-height: 138px; }.metrics strong { font-size: 30px; }.metrics article::after { display: none; }
  .live-grid { grid-template-columns: 1fr; }.device-meta-summary, .device-meta-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }.device-meta-summary > div { padding: 15px; }.device-meta-field { padding: 13px 15px; }
  .gps-coordinates { grid-template-columns: repeat(2,minmax(0,1fr)); }.gps-coordinates strong { font-size: 25px; }.gps-details { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .card-fields { grid-template-columns: repeat(3,minmax(0,1fr)); }.pv-details { grid-template-columns: repeat(2,minmax(0,1fr)); }.fault-list { grid-template-columns: repeat(2,minmax(0,1fr)); }.bms-cells { grid-template-columns: repeat(6,minmax(0,1fr)); }
  .debug-grid { grid-template-columns: 1fr; }.operator-bar { flex-wrap: wrap; }.operator-bar label { flex-basis: 100%; }.operator-bar .action { flex: 1; }.operator-bar .operation-state { flex: 1; }
  .timer-row { grid-template-columns: 1fr 1fr 1fr; gap: 8px 12px; }.timer-days { grid-column: 1/-1; grid-row: 2; justify-content: space-between; }.timer-row select { grid-column: 1/3; }.timer-row .action { grid-column: 3; }
  .stream-row { grid-template-columns: 85px 1fr 70px 90px; }.stream-topic { grid-column: 2; font-size: 10px; grid-row: 2; }.stream-crc { grid-column: 3; grid-row: 1; }.stream-seq { grid-column: 4; grid-row: 1; }
  .field-colophon { margin: 0 28px; }
}
@media (max-width: 560px) {
  main { padding: 0 20px 24px; }.topbar, .light .topbar { padding: 0 20px; }.brand small { display: block; font-size: 8px; }.brand b { font-size: 21px; }.brand-mark { width: 29px; height: 29px; }.top-actions { gap: 0; }.top-actions > span { display: none; }.icon-button { width: 40px; height: 44px; }
  .cloud-ribbon { margin: 0 20px; }.cloud-ribbon .live-state { align-items: flex-start; gap: 10px; }.cloud-ribbon .pulse { margin-top: 7px; }.live-state small { line-height: 1.8; font-size: 9px; }
  .intro { grid-template-columns: 1fr; gap: 0; padding: 30px 0 24px; }.intro > div:first-child { grid-row: 1; }.intro h1 { font-size: 54px; margin: 14px 0 0; }.intro h1 span { font-size: .62em; margin-top: 8px; }.intro .eyebrow { font-size: 8px; letter-spacing: .1em; }
  .field-illustration { grid-column: 1; grid-row: 2; max-width: 370px; justify-self: center; margin-top: -2px; }.field-illustration svg { width: 100%; margin: 0; }.field-illustration figcaption { flex-direction: row; font-size: 7px; margin: -10px 0 14px; padding: 0 8px; }.field-illustration figcaption span:first-child { font-size: 9px; }
  .intro-meta { grid-column: 1; grid-row: 3; display: grid; grid-template-columns: auto 1fr; gap: 9px 16px; align-items: center; width: 100%; max-width: none; }.intro-meta .result-state { width: max-content; grid-column: 1; grid-row: 1; font-size: 10px; }.intro-meta > small { grid-column: 2; grid-row: 1; text-align: right; font-size: 9px; }.intro-meta > small b { display: block; font-size: 9px; }.intro-meta p { grid-column: 1/-1; grid-row: 2; font-size: 11px; margin: 0; }
  .device-connect { padding: 24px 0 20px; gap: 16px; }.device-form { grid-template-columns: 1fr; gap: 12px; }.device-connect-copy > p:last-child { font-size: 12px; }.device-form input { height: 46px; font-size: 16px; }.device-form .action { width: 100%; min-height: 46px; }.device-session-state { font-size: 10px; align-items: flex-start; }.device-session-state i { flex: 0 0 6px; margin-top: 6px; }
  .metrics { grid-template-columns: repeat(2,minmax(0,1fr)); margin-bottom: 32px; }.metrics article, .light .metrics article { padding: 20px; min-height: 132px; border-bottom: 1px solid var(--line); }.metrics article:nth-child(odd) { padding-left: 0; }.metrics article:nth-child(even) { border-right: 0; }.metrics article:nth-last-child(-n+2) { border-bottom: 0; }.metrics strong { font-size: 34px; }
  .section-heading { align-items: flex-start; gap: 12px; margin-bottom: 14px; }.section-heading h2 { font-size: 24px; }.section-heading > span { font-size: 9px; max-width: 43%; padding-top: 3px; }.section-heading .eyebrow { font-size: 8px; }
  .debug-section > .section-heading { display: block; }.debug-section > .section-heading > span { display: block; max-width: none; text-align: left; margin-top: 8px; }
  .device-meta-section, .gps-section, .live-section { margin-bottom: 32px; }.device-meta-summary strong { font-size: 14px; line-height: 1.6; }.device-meta-summary span, .device-meta-summary small { font-size: 9px; }.device-meta-field strong { font-size: 11px; }.device-meta-field { padding: 12px; }.device-meta-field span { font-size: 9px; }
  .gps-card > header { padding: 14px; gap: 2px; }.gps-card > header a { min-height: 44px; }.gps-coordinates { grid-template-columns: 1fr; }.gps-coordinates > div { min-height: 108px; padding: 16px; }.gps-coordinates strong { font-size: 28px; }.gps-details { grid-template-columns: repeat(2,minmax(0,1fr)); }.gps-details > div { padding: 13px; }
  .card-head { padding: 15px 13px; flex-wrap: wrap; }.card-title strong { font-size: 12px; }.card-status small { font-size: 8px; }.type-icon { width: 30px; height: 30px; }.card-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }.data-field, .light .data-field { padding: 13px; }.data-field strong { font-size: 13px; }
  .pv-overview { overflow: hidden; }.pv-overview > .card-head, .pv-matrix, .pv-details { min-width: 0; }.pv-row { grid-template-columns: 52px repeat(4,minmax(0,1fr)); }.pv-label { padding: 0 5px; font-size: 9px; }.pv-cell { padding: 9px 2px; min-height: 66px; }.pv-cell strong { font-size: 12px; }.pv-cell small { font-size: 8px; }.pv-channel { font-size: 10px; }.power-row .pv-cell strong { font-size: 13px; }.pv-state { font-size: 9px; padding: 4px; }.pv-details { grid-template-columns: repeat(2,minmax(0,1fr)); }.pv-channel-detail { padding: 12px; gap: 8px; }.pv-channel-detail div b { font-size: 10px; }.pv-channel-detail div span { font-size: 9px; }
  .fault-list { grid-template-columns: 1fr; }.fault-empty { flex-wrap: wrap; gap: 5px 12px; padding: 15px; }.fault-empty span { font-size: 10px; }.bms-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }.bms-stats span { padding: 12px; }.bms-stats b { float: none; display: block; margin-top: 5px; }.bms-cells { grid-template-columns: repeat(3,minmax(0,1fr)); }.bms-cell { padding: 12px; }.bms-cell strong { font-size: 17px; }
  .operator-bar { padding: 16px; gap: 12px; }.operator-bar input { font-size: 16px; }.operator-bar .operation-state { min-width: 100%; }.debug-card { padding: 20px 15px; }.debug-card h3 { font-size: 22px; }.debug-card header > span { max-width: 45%; font-size: 8px; }.load-controls > div { padding: 12px; }.load-actions { flex-direction: column; display: flex; }.load-actions .action { width: 100%; min-height: 44px; }.series-control { grid-template-columns: 1fr; }.series-control > div { grid-column: 1; }.series-control select { font-size: 16px; }
  .timer-row { padding: 12px; gap: 8px; }.timer-row strong { font-size: 10px; }.timer-enable { font-size: 10px; }.timer-row input[type=time] { padding: 0 4px; font-size: 13px; }.timer-row select { font-size: 16px; }.timer-days { gap: 0 3px; justify-content: flex-start; }.timer-days label { min-width: 56px; font-size: 11px; gap: 3px; }.timer-row .action { grid-column: 3; }
  .stream-row { grid-template-columns: 80px minmax(0,1fr); grid-template-rows: auto auto; gap: 3px 12px; padding: 12px; }.stream-time { grid-column: 1; grid-row: 1; }.stream-type { grid-column: 2; grid-row: 1; overflow-wrap: anywhere; font-size: 10px; }.stream-topic { grid-column: 2; grid-row: 2; padding-right: 72px; font-size: 9px; }.stream-crc { grid-column: 1; grid-row: 2; font-size: 9px; }.stream-seq { grid-column: 2; grid-row: 2; justify-self: end; font-size: 9px; }
  .field-colophon { margin: 0 20px; }.field-colophon svg { height: 65px; }.field-colophon > span { font-size: 7px; letter-spacing: .09em; }footer { min-height: 70px; padding: 18px 20px; font-size: 8px; flex-wrap: wrap; gap: 5px; }footer span:last-child { font-size: 9px; }.toast { right: 16px; bottom: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; }
}