:root {
  color-scheme: light;
  --bg: #f4f7f8;
  --panel: #ffffff;
  --panel-soft: #fbfdfe;
  --panel-tint: #effaf8;
  --text: #172026;
  --ink: #172026;
  --muted: #62717a;
  --line: #d9e1e5;
  --accent: #0f766e;
  --accent-2: #d64045;
  --accent-3: #2d6cdf;
  --ink-soft: #26343d;
  --gauge-track: #e5edf1;
  --gauge-start: #178f62;
  --metric-value-bg: rgba(255, 255, 255, 0.86);
  --metric-value-border: rgba(98, 113, 122, 0.18);
  --shadow: 0 18px 45px rgba(21, 34, 43, 0.1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1519;
  --panel: #172026;
  --panel-soft: #1d2930;
  --panel-tint: #12332f;
  --text: #eef5f5;
  --ink: #f5fbfb;
  --muted: #a8b6bd;
  --line: #324149;
  --accent: #19a197;
  --accent-2: #f15b62;
  --accent-3: #76a7ff;
  --ink-soft: #dce8ea;
  --gauge-track: #2d3940;
  --gauge-start: #22c55e;
  --metric-value-bg: rgba(15, 21, 25, 0.78);
  --metric-value-border: rgba(168, 182, 189, 0.18);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: none;
  flex-direction: column;
  gap: 24px;
  padding: 28px 20px;
  background: #172026;
  color: #eef5f5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.panel-heading h3,
.table-toolbar h3,
.form-panel h3 {
  margin: 0;
}

.brand h1 {
  font-size: 20px;
}

.brand p,
.connection-card span,
.eyebrow,
.metric span,
.metric small,
.panel-heading span,
.note {
  color: var(--muted);
}

.sidebar .brand p,
.sidebar .connection-card span {
  color: #a9b8be;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item,
.primary-button,
.secondary-button,
.icon-button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.nav-item {
  padding: 0 14px;
  background: transparent;
  color: #dbe7e7;
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.connection-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
}

.connection-card div {
  display: grid;
  gap: 3px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #77868d;
}

.status-dot.live {
  background: #22c55e;
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.16);
}

.topbar-status {
  min-height: 42px;
}

.topbar-status strong {
  white-space: nowrap;
}

.topbar-status span:not(.status-dot) {
  white-space: nowrap;
}

main {
  min-width: 0;
  height: 100vh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(12px, 1.6vw, 24px);
}

.topbar {
  --topbar-control-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(12px, 2vh, 24px);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.topbar-logo {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 9px;
}

.eyebrow {
  margin-bottom: 3px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.controls.compact {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-actions {
  align-items: stretch;
}

.topbar-actions .theme-toggle,
.topbar-actions .connection-card,
.topbar-actions .primary-button,
.topbar-actions .secondary-button {
  min-height: var(--topbar-control-height);
  height: var(--topbar-control-height);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  width: var(--topbar-control-height);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink-soft);
  cursor: pointer;
}

.theme-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-toggle-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: var(--ink-soft);
}

.theme-toggle-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle-icon-moon {
  display: none;
}

.theme-toggle input:checked ~ .theme-toggle-icon-sun {
  display: none;
}

.theme-toggle input:checked ~ .theme-toggle-icon-moon {
  display: grid;
}

.theme-toggle:focus-within {
  outline: 2px solid color-mix(in srgb, var(--accent) 46%, transparent);
  outline-offset: 2px;
}

.primary-button {
  padding: 0 16px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.primary-button.recording {
  background: var(--accent-2);
}

.primary-button:disabled,
.secondary-button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.secondary-button,
.icon-button {
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink-soft);
}

.secondary-button.selected {
  border-color: rgba(15, 118, 110, 0.45);
  background: var(--panel-tint);
  color: var(--accent);
  font-weight: 800;
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.metric,
.chart-panel,
.hardware-panel,
.trial-recorder-panel,
.table-wrap,
.form-panel,
.sensor-card,
.resistance-panel,
.settings-grid,
.note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric {
  --gauge-ratio: 0;
  --gauge-angle: 180deg;
  --gauge-fill-angle: 0deg;
  --metric-label-color: var(--accent-3);
  position: relative;
  display: grid;
  grid-template-rows: minmax(42px, 1fr) auto;
  gap: 0;
  min-height: clamp(112px, 16vh, 152px);
  align-items: center;
  justify-items: center;
  padding: clamp(10px, 1.4vh, 14px) clamp(12px, 1.8vw, 18px) clamp(6px, 0.9vh, 10px) 42px;
  text-align: center;
  overflow: hidden;
}

#powerMetric {
  --metric-label-color: #2d6cdf;
}

#cadenceMetric {
  --metric-label-color: #d96c2c;
}

#speedMetric {
  --metric-label-color: #178f62;
}

.metric strong {
  text-shadow: 0 1px 0 var(--panel), 0 4px 12px var(--panel);
}

.gauge-metric {
  isolation: isolate;
}

.metric-gauge {
  position: relative;
  z-index: 0;
  width: min(240px, 90%);
  aspect-ratio: 2 / 1;
  align-self: end;
  opacity: 0.96;
  transform: translateY(8px);
}

.gauge-metric > span,
.gauge-metric > strong,
.gauge-metric > small {
  position: relative;
  z-index: 1;
}

.gauge-metric > strong {
  margin: 13px 0 0;
}

.gauge-metric > small {
  position: absolute;
  top: clamp(10px, 1.4vh, 14px);
  right: clamp(12px, 1.8vw, 18px);
  max-width: calc(100% - 74px);
  color: var(--muted);
  font-weight: 700;
  line-height: 1.2;
  text-align: right;
}

.gauge-metric > .metric-title {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  border-radius: 0;
  background: var(--metric-label-color);
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.metric-gauge-scale {
  position: absolute;
  inset: 0;
  border-radius: 999px 999px 0 0;
  background:
    radial-gradient(ellipse at 50% 100%, var(--panel) 0 48%, transparent 49%),
    conic-gradient(
      from 270deg at 50% 100%,
      var(--gauge-start) 0deg,
      var(--accent-3) var(--gauge-fill-angle),
      var(--gauge-track) var(--gauge-fill-angle) 180deg,
      transparent 180deg
    );
  box-shadow: inset 0 0 0 1px rgba(98, 113, 122, 0.22);
}

.metric-gauge::after {
  content: "";
  position: absolute;
  inset: 10px 12px 0;
  border-top: 1px solid rgba(98, 113, 122, 0.28);
  border-radius: 999px 999px 0 0;
}

.metric-gauge-needle {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 43%;
  height: 3px;
  border-radius: 999px;
  background: var(--ink-soft);
  transform: rotate(var(--gauge-angle));
  transform-origin: left center;
  transition: transform 180ms ease-out;
}

.metric-gauge-hub {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 14px;
  height: 14px;
  border: 3px solid var(--panel);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(21, 34, 43, 0.18);
  transform: translate(-50%, 50%);
}

.metric-gauge-label {
  position: absolute;
  bottom: 2px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.metric-gauge-label-min {
  left: 0;
}

.metric-gauge-label-max {
  right: 0;
}

.metric strong {
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

#dashboardPanel.panel.active {
  flex: 1 1 auto;
  display: grid;
  grid-template-rows: auto auto auto minmax(260px, 1fr);
  gap: clamp(8px, 1.4vh, 14px);
  min-height: 0;
}

#dashboardPanel .metric-grid,
#dashboardPanel .dashboard-grid,
#dashboardPanel .trial-recorder-panel,
#dashboardPanel .live-analysis-grid {
  margin-bottom: 0;
}

.live-analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(8px, 1.4vh, 14px);
  min-height: 0;
}

.live-analysis-grid > .chart-panel {
  min-width: 0;
}

.chart-panel {
  padding: clamp(10px, 1.4vh, 16px);
}

.trend-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  width: 100%;
}

.trend-panel .panel-heading,
.pedal-panel .panel-heading {
  flex: 0 0 auto;
}

.panel-title-row {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 22px);
  min-width: 0;
}

.trend-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.trend-legend-item {
  --legend-color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.trend-legend-item::before {
  content: "";
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: var(--legend-color);
}

.trend-legend-power {
  --legend-color: #2d6cdf;
}

.trend-legend-cadence {
  --legend-color: #d96c2c;
}

.trend-legend-speed {
  --legend-color: #178f62;
}

.trend-panel canvas {
  flex: 1 1 auto;
  height: 100%;
  min-height: 72px;
}

.pedal-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.pedal-dynamics-layout {
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: minmax(240px, 1fr) minmax(150px, 0.42fr);
  grid-template-rows: minmax(180px, 1fr);
  gap: 12px;
  min-height: 0;
}

.pedal-panel canvas {
  width: 100%;
  height: 100%;
  min-height: 180px;
  background: color-mix(in srgb, var(--panel), var(--bg) 32%);
}

.pedal-stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: 10px;
  min-height: 0;
}

.pedal-stat {
  display: grid;
  align-content: center;
  gap: 6px;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: color-mix(in srgb, var(--panel), var(--bg) 24%);
}

.pedal-stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.pedal-stat strong {
  color: var(--ink);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1;
}

.trial-recorder-panel {
  display: grid;
  padding: 8px;
}

.trial-recorder-grid {
  display: grid;
  grid-template-columns: auto minmax(130px, 0.44fr) minmax(360px, 1.35fr) minmax(210px, 0.72fr);
  gap: 8px;
  align-items: stretch;
  min-height: 0;
}

.trial-actions-card {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 128px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: color-mix(in srgb, var(--panel), var(--bg) 20%);
}

.trial-actions-card > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.trial-action-buttons {
  display: flex;
  gap: 8px;
}

.trial-icon-button {
  display: inline-grid;
  place-items: center;
  width: 46px;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: var(--panel);
  color: var(--ink-soft);
  cursor: pointer;
}

.trial-icon-button svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trial-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.trial-record-button {
  color: var(--accent-2);
}

.record-dot,
.stop-square {
  display: block;
  width: 18px;
  height: 18px;
  background: currentColor;
}

.record-dot {
  border-radius: 50%;
}

.stop-square {
  display: none;
  border-radius: 4px;
}

.trial-record-button.recording {
  border-color: color-mix(in srgb, var(--accent-2) 64%, var(--line));
  background: var(--accent-2);
  color: #fff;
}

.trial-record-button.recording .record-dot {
  display: none;
}

.trial-record-button.recording .stop-square {
  display: block;
}

.trial-notes-field {
  min-width: 0;
}

textarea {
  width: 100%;
  min-height: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  resize: none;
  background: var(--panel);
  color: var(--text);
}

.trial-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
}

.trial-summary-grid article {
  display: grid;
  align-content: center;
  gap: 4px;
  min-width: 0;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--panel), var(--bg) 20%);
}

.trial-summary-grid span,
.trial-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.trial-summary-grid strong {
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trial-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(142px, 1fr));
  gap: 8px;
  max-height: 62px;
  overflow: auto;
}

.trial-card {
  display: grid;
  gap: 2px;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  background: var(--panel);
  color: var(--ink-soft);
  text-align: left;
}

.trial-card.selected {
  border-color: rgba(15, 118, 110, 0.45);
  background: var(--panel-tint);
}

.trial-card:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.trial-card strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trial-card small,
.empty-state {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 62px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.hardware-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.powerbahn-control-panel {
  display: grid;
  gap: 0;
  padding: 0;
}

.hardware-panel {
  margin-bottom: 14px;
}

.panel-heading,
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-action-button {
  min-height: 36px;
  white-space: nowrap;
}

canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  border-radius: 6px;
}

.polar-card canvas {
  max-width: 360px;
  margin: 0 auto;
}

.table-toolbar {
  margin-bottom: 14px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.split-view {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
}

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.serial-port-panel {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(110px, 0.5fr) minmax(110px, 0.5fr) auto auto minmax(200px, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.serial-port-panel label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.serial-port-panel input,
.serial-port-panel select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}

.serial-port-panel .serial-checkbox {
  display: flex;
  align-items: center;
  min-height: 38px;
  gap: 6px;
  color: var(--ink-soft);
}

.serial-port-panel .serial-checkbox input {
  min-height: auto;
  width: auto;
}

.sensor-connect-prompt {
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef6fb;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.sensor-connect-prompt.busy {
  border-color: rgba(45, 108, 223, 0.35);
  color: var(--accent-3);
}

.sensor-connect-prompt.warning {
  border-color: rgba(214, 64, 69, 0.35);
  background: #fff1f1;
  color: var(--accent-2);
}

.serial-debug-panel {
  display: grid;
  gap: 5px;
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.serial-debug-panel.live {
  border-color: rgba(15, 118, 110, 0.35);
  background: var(--panel-tint);
  color: var(--ink-soft);
}

.serial-debug-panel strong {
  color: var(--ink);
}

.powerbahn-resistance-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.grade-gear-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr)) auto;
  gap: 10px;
  align-items: stretch;
}

.resistance-adjust-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: stretch;
  min-height: 132px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.resistance-adjust-readout {
  display: grid;
  gap: 4px;
  place-content: center;
  text-align: center;
}

.resistance-adjust-readout span {
  color: var(--muted);
  font-size: 20px;
  font-weight: 800;
}

.resistance-adjust-readout strong {
  color: var(--ink);
  font-size: 44px;
  line-height: 1.05;
  font-weight: 800;
}

.resistance-adjust-control .stepper-control .secondary-button {
  min-height: 0;
}

.fixed-power-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
  min-height: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.fixed-power-mode-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(108px, 0.65fr);
  gap: 8px;
  align-items: stretch;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.fixed-power-mode-card .fixed-power-toggle,
.fixed-power-mode-card > span {
  grid-column: auto;
}

.fixed-power-mode-card .fixed-power-toggle {
  grid-column: 1;
  grid-row: 1;
}

.fixed-power-mode-card label:not(.fixed-power-toggle) {
  grid-column: 1;
  grid-row: 2;
}

.fixed-power-mode-card .secondary-button {
  grid-column: 2;
  grid-row: 2;
}

.fixed-power-mode-card > span {
  grid-column: 2;
  grid-row: 1;
}

.fixed-power-toggle {
  display: flex;
  align-items: center;
  min-height: 38px;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.fixed-power-toggle input {
  min-height: auto;
  width: auto;
}

.fixed-power-controls span {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 8px;
  background: var(--panel-tint);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  white-space: normal;
}

.fixed-power-controls .secondary-button {
  min-height: 38px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.fixed-power-controls label:not(.fixed-power-toggle) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
}

.fixed-power-controls input[type="number"] {
  min-height: 38px;
}

.stepper-control {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 0;
  width: 120px;
  align-self: stretch;
  margin: -8px -10px -8px 0;
}

.stepper-control .secondary-button {
  width: 120px;
  height: auto;
  min-height: 0;
  padding: 0;
  border-radius: 0;
  font-size: 18px;
  font-weight: 800;
}

.stepper-control .secondary-button:first-child {
  border-top-right-radius: 8px;
  border-bottom: 1px solid var(--line);
}

.stepper-control .secondary-button:last-child {
  border-bottom-right-radius: 8px;
}

.reset-rail-button {
  display: grid;
  place-items: center;
  align-self: stretch;
  width: 44px;
  min-height: 0;
  padding: 0;
}

.reset-rail-button span {
  display: block;
  transform: rotate(90deg);
  white-space: nowrap;
}

.resistance-panel {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
  padding: 16px;
}

.resistance-panel .panel-heading {
  align-items: start;
  margin-bottom: 0;
}

.resistance-panel .panel-heading > div:first-child {
  display: grid;
  gap: 4px;
}

.resistance-controls {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.resistance-slider-wrap {
  min-width: 0;
}

.power-slider {
  --power-percent: 12.5%;
  --slider-thumb: 22px;
  --slider-edge-space: 42px;
  display: grid;
  gap: 10px;
  position: relative;
  padding: 14px var(--slider-edge-space) 0;
  outline: none;
  touch-action: none;
}

.power-slider:focus-visible {
  border-radius: 8px;
  box-shadow: 0 0 0 3px rgba(45, 108, 223, 0.22);
}

.power-slider-track {
  position: relative;
  height: 8px;
  border: 1px solid #aeb9bf;
  border-radius: 999px;
  background: #d7dde1;
  cursor: pointer;
}

.power-slider-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--power-percent);
  border-radius: 999px;
  background: #1a73e8;
}

.power-slider-thumb {
  position: absolute;
  left: var(--power-percent);
  top: 50%;
  width: var(--slider-thumb);
  height: var(--slider-thumb);
  border-radius: 50%;
  background: #1a73e8;
  box-shadow: 0 0 0 4px var(--panel);
  transform: translate(-50%, -50%);
}

.power-slider-ticks {
  position: relative;
  height: 34px;
  border-top: 1px solid var(--line);
}

.power-slider-ticks span {
  position: absolute;
  left: var(--tick);
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transform: translateX(-50%);
}

.power-slider-ticks span::before {
  content: "";
  width: 1px;
  height: 14px;
  border-left: 1px dashed #9baab2;
}

.resistance-step-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(76px, 1fr));
  gap: 10px;
}

.power-step {
  display: grid;
  grid-template-rows: 34px 28px 34px;
  align-items: center;
  min-width: 0;
}

.power-step .secondary-button {
  min-height: 34px;
  padding: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
}

.power-step strong {
  color: var(--ink-soft);
  font-size: 14px;
  text-align: center;
  white-space: nowrap;
}

.sensor-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.sensor-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.sensor-card h4,
.sensor-card p {
  margin: 0;
}

.sensor-card p,
.sensor-meta {
  color: var(--muted);
}

.sensor-value {
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.sensor-pill {
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--panel-tint);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.sensor-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
}

.form-panel,
.settings-grid,
.note {
  padding: 18px;
}

.form-panel {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--panel);
  color: var(--text);
}

.trial-note-cell {
  min-width: 220px;
  white-space: normal;
}

.empty-table-cell {
  color: var(--muted);
  text-align: center;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 14px;
}

.note {
  box-shadow: none;
  color: var(--ink-soft);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
  }

  .metric-grid,
  .dashboard-grid,
  .split-view,
  .sensor-grid,
  .serial-port-panel,
  .resistance-controls,
  .live-analysis-grid,
  .pedal-dynamics-layout,
  .trial-recorder-grid,
  .powerbahn-resistance-grid,
  .grade-gear-controls,
  .fixed-power-controls,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .fixed-power-controls span {
    justify-content: flex-start;
  }

  .fixed-power-mode-card {
    grid-template-columns: 1fr;
  }

  .fixed-power-mode-card .fixed-power-toggle,
  .fixed-power-mode-card label:not(.fixed-power-toggle),
  .fixed-power-mode-card .secondary-button,
  .fixed-power-mode-card > span {
    grid-column: auto;
    grid-row: auto;
  }

  .trial-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stepper-control {
    width: 56px;
  }

  .stepper-control .secondary-button {
    width: 56px;
  }

  .resistance-step-buttons {
    grid-template-columns: repeat(2, minmax(76px, 1fr));
  }

  .topbar,
  .controls {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-height: 760px) {
  main {
    padding: 10px 14px;
  }

  .topbar {
    margin-bottom: 10px;
  }

  #dashboardPanel.panel.active {
    gap: 8px;
  }

  .metric {
    min-height: 104px;
    padding: 8px 12px 6px 40px;
  }

  .metric strong {
    font-size: clamp(26px, 3vw, 40px);
  }

  .powerbahn-control-panel {
    gap: 0;
    padding: 0;
  }

  .resistance-adjust-control,
  .fixed-power-controls {
    min-height: 118px;
  }

  .fixed-power-controls {
    min-height: 0;
  }

  .stepper-control {
    width: 115px;
  }

  .stepper-control .secondary-button {
    width: 115px;
  }

  .reset-rail-button {
    width: 40px;
  }

  .chart-panel {
    padding: 10px 12px;
  }

  .trend-panel canvas {
    min-height: 40px;
  }

  .pedal-dynamics-layout {
    grid-template-columns: minmax(200px, 1fr) minmax(132px, 0.44fr);
    grid-template-rows: minmax(140px, 1fr);
  }

  .pedal-panel canvas {
    min-height: 160px;
  }

  .pedal-stat {
    min-height: 0;
    padding: 10px;
  }
}

@media (max-width: 980px) and (max-height: 760px) {
  .pedal-dynamics-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 1fr) auto;
  }
}