:root {
  color-scheme: light;
  --page: #eef3f8;
  --surface: rgba(255, 255, 255, 0.58);
  --surface-strong: rgba(255, 255, 255, 0.78);
  --surface-soft: rgba(255, 255, 255, 0.36);
  --ink: #111827;
  --muted: #697386;
  --subtle: #9aa4b5;
  --line: rgba(59, 74, 99, 0.14);
  --blue: #0a84ff;
  --green: #22c55e;
  --orange: #ff9f0a;
  --red: #ff375f;
  --purple: #8f62ff;
  --glass-highlight: rgba(255, 255, 255, 0.74);
  --glass-lowlight: rgba(255, 255, 255, 0.18);
  --glass-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.32) 58%, rgba(255, 255, 255, 0.2));
  --glass-inner: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.12));
  --tile: rgba(255, 255, 255, 0.46);
  --tile-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.22) 58%, rgba(255, 255, 255, 0.12));
  --tile-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), inset 0 0 0 1px rgba(255, 255, 255, 0.34), 0 9px 22px rgba(31, 41, 55, 0.08);
  --accent-glow: 0 16px 36px rgba(10, 132, 255, 0.14);
  --shadow: 0 24px 60px rgba(31, 41, 55, 0.15), 0 2px 10px rgba(31, 41, 55, 0.06);
  --soft-shadow: 0 12px 30px rgba(31, 41, 55, 0.1);
  --hairline: inset 0 1px 0 var(--glass-highlight), inset 0 -1px 0 rgba(255, 255, 255, 0.18), inset 0 0 0 1px var(--line);
  --blur: blur(28px) saturate(1.45);
}

body[data-theme="dark"] {
  color-scheme: dark;
  --page: #090d13;
  --surface: rgba(24, 29, 39, 0.58);
  --surface-strong: rgba(37, 43, 56, 0.72);
  --surface-soft: rgba(255, 255, 255, 0.08);
  --ink: #f8fafc;
  --muted: #a8b2c2;
  --subtle: #707b8d;
  --line: rgba(255, 255, 255, 0.12);
  --blue: #73bbff;
  --green: #4ade80;
  --orange: #ffb340;
  --red: #ff5f7f;
  --purple: #b9a1ff;
  --glass-highlight: rgba(255, 255, 255, 0.12);
  --glass-lowlight: rgba(0, 0, 0, 0.24);
  --glass-gradient: linear-gradient(145deg, rgba(42, 50, 66, 0.72), rgba(20, 25, 35, 0.5) 58%, rgba(14, 19, 28, 0.32));
  --glass-inner: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.035));
  --tile: rgba(255, 255, 255, 0.075);
  --tile-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.055) 58%, rgba(255, 255, 255, 0.025));
  --tile-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.13), inset 0 0 0 1px rgba(255, 255, 255, 0.11), 0 10px 24px rgba(0, 0, 0, 0.18);
  --accent-glow: 0 18px 42px rgba(115, 187, 255, 0.1);
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.42), 0 2px 12px rgba(0, 0, 0, 0.28);
  --soft-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
  --hairline: inset 0 1px 0 var(--glass-highlight), inset 0 -1px 0 rgba(0, 0, 0, 0.28), inset 0 0 0 1px var(--line);
  --blur: blur(30px) saturate(1.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 6%, rgba(255, 255, 255, 0.92), transparent 24%),
    radial-gradient(circle at 86% 14%, rgba(10, 132, 255, 0.26), transparent 32%),
    radial-gradient(circle at 12% 78%, rgba(34, 197, 94, 0.14), transparent 30%),
    linear-gradient(145deg, rgba(143, 98, 255, 0.1), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), transparent 390px),
    var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body[data-theme="dark"] {
  background:
    radial-gradient(circle at 18% 5%, rgba(115, 187, 255, 0.16), transparent 28%),
    radial-gradient(circle at 82% 16%, rgba(185, 161, 255, 0.16), transparent 34%),
    radial-gradient(circle at 18% 80%, rgba(74, 222, 128, 0.1), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent 390px),
    var(--page);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 28%, rgba(255, 255, 255, 0.34) 44%, transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 42%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px 18px);
  opacity: 0.5;
}

body[data-theme="dark"]::before {
  background:
    linear-gradient(115deg, transparent 0 30%, rgba(255, 255, 255, 0.07) 48%, transparent 66%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 18px);
  opacity: 0.58;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.phone-shell {
  width: min(100%, 480px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) 12px max(20px, env(safe-area-inset-bottom));
}

.app-header {
  min-height: 64px;
  padding: 6px 2px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.app-header > div:first-child {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: min(420px, calc(100vw - 104px));
  white-space: nowrap;
  overflow: hidden;
}

.eyebrow span {
  flex: 0 0 auto;
}

.eyebrow #bleTrafficText {
  color: var(--muted);
  font-weight: 620;
  font-variant-numeric: tabular-nums;
}

.poll-inline {
  min-width: 0;
  flex: 1 1 auto;
  color: color-mix(in srgb, var(--muted) 82%, var(--ink));
  font-weight: 580;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header h1 {
  margin: 0;
  max-width: min(290px, calc(100vw - 108px));
  font-size: 18px;
  line-height: 1.06;
  font-weight: 650;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}

.icon-button,
.small-icon {
  border: 0;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--glass-gradient);
  box-shadow: var(--hairline), var(--soft-shadow), var(--accent-glow);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.icon-button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.icon-button:active,
.small-icon:active,
.ios-button:active,
.network-item:active {
  transform: translateY(1px);
}

.icon-button svg,
.small-icon svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.2;
}

.content {
  display: grid;
  gap: 10px;
}

.status-strip,
.hero-card,
.voltage-card,
.mos-card,
.data-card,
.temperature-card,
.cells-card,
.setting-group {
  background: var(--glass-gradient);
  box-shadow: var(--hairline), var(--shadow), 0 1px 0 rgba(255, 255, 255, 0.18);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  border-radius: 20px;
  padding: 7px;
}

.status-strip div {
  min-width: 0;
  padding: 8px 10px;
  border-radius: 14px;
  background:
    var(--glass-inner),
    var(--tile);
  box-shadow: var(--tile-shadow);
}

.status-strip span,
.hero-values span,
.voltage-strip span,
.mos-card span,
.temperature-list span,
.section-title span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.25;
  font-weight: 520;
}

#balanceSummary {
  max-width: 68%;
  word-break: break-word;
}

.status-strip strong {
  display: block;
  margin-top: 3px;
  min-width: 0;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.2;
  font-weight: 620;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-strip div:last-child strong {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.status-strip small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-card {
  min-height: 204px;
  padding: 9px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 9px;
  align-items: center;
  overflow: visible;
}

.pack-summary {
  height: 100%;
  padding: 13px 9px 11px;
  display: grid;
  align-content: center;
  justify-items: center;
  border-radius: 20px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 7%, transparent), transparent 58%),
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
}

.summary-title {
  width: 100%;
  margin-bottom: 9px;
  font-size: 14px;
  font-weight: 650;
  text-align: left;
}

.soc-ring {
  --size: 84px;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, var(--surface-strong) 57%, transparent 58%),
    conic-gradient(var(--blue) calc(var(--soc) * 1turn), rgba(127, 135, 149, 0.18) 0);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 0 0 1px color-mix(in srgb, var(--blue) 12%, var(--line));
}

.soc-inner {
  color: var(--blue);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.soc-inner span {
  font-size: 25px;
  line-height: 1;
  font-weight: 560;
}

.soc-inner small {
  font-size: 12px;
  font-weight: 540;
}

.hero-info {
  height: 100%;
  min-width: 0;
}

.chemistry {
  font-size: 18px;
  line-height: 1.2;
  font-weight: 650;
}

.connection-pill {
  width: fit-content;
  max-width: 100%;
  margin: 8px 0 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  background:
    linear-gradient(180deg, color-mix(in srgb, white 22%, transparent), transparent),
    color-mix(in srgb, var(--blue) 12%, transparent);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  line-height: 1;
  font-weight: 590;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 18%, transparent);
}

.connection-pill svg {
  width: 15px;
  height: 15px;
}

.hero-values {
  display: grid;
  height: 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.hero-values div {
  min-width: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 43px;
  padding: 6px 8px;
  border-radius: 16px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 72%, transparent), color-mix(in srgb, var(--surface-soft) 62%, transparent)),
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 3%, transparent), transparent 72%),
    var(--tile);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--glass-highlight) 72%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--line) 82%, transparent),
    0 7px 18px color-mix(in srgb, var(--ink) 5%, transparent);
}

.hero-values strong {
  display: block;
  margin-top: 2px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.15;
  font-weight: 650;
  white-space: nowrap;
  text-align: center;
}

.hero-values b {
  font-size: 15px;
  font-weight: 680;
}

.connect-time {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 650;
  text-align: center;
}

.connect-time b {
  font-weight: 620;
}

.version-line {
  display: block;
  width: 100%;
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.2;
  font-weight: 560;
  text-align: center;
}

.version-line b {
  display: block;
  margin-top: 1px;
  color: var(--subtle);
  font-weight: 560;
  word-break: break-all;
}

#batteryStatus {
  font-variant-numeric: tabular-nums;
  font-weight: 660;
}

#batteryStatus[data-state="charge"],
#batteryStatus[data-state="charging"] {
  color: var(--green);
}

#batteryStatus[data-state="discharge"] {
  color: var(--orange);
}

#batteryStatus[data-state="standby"],
#batteryStatus[data-state="idle"] {
  color: var(--blue);
}

#batteryStatus[data-state="error"] {
  color: var(--red);
}

#batteryStatus[data-state="offline"],
#batteryStatus[data-state="unknown"] {
  color: var(--muted);
}

#settingsDataLatency {
  display: block;
  max-width: 100%;
  font-variant-numeric: tabular-nums;
  font-weight: 660;
  font-size: 11px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#settingsDataLatency[data-level="realtime"] {
  color: var(--green);
}

#settingsDataLatency[data-level="delay"] {
  color: var(--orange);
}

#settingsDataLatency[data-level="stale"] {
  color: var(--red);
}

#settingsDataLatency[data-level="waiting"],
#settingsDataLatency[data-level="offline"] {
  color: var(--muted);
}

#permissionState {
  font-variant-numeric: tabular-nums;
  font-weight: 660;
}

#permissionState[data-state="unlocked"] {
  color: var(--green);
}

#permissionState[data-state="locked"] {
  color: var(--orange);
}

#permissionState[data-state="unset"],
#permissionState[data-state="waiting"],
#permissionState[data-state="offline"] {
  color: var(--muted);
}

.hidden-metrics {
  display: none;
}

.voltage-card,
.temperature-card,
.data-card,
.cells-card {
  border-radius: 22px;
  padding-bottom: 12px;
}

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px 0;
}

.section-title strong {
  font-size: 13px;
  font-weight: 650;
}

.section-title span {
  text-align: right;
}

.voltage-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px 12px 0;
}

.voltage-strip div {
  min-width: 0;
  border-radius: 15px;
  background:
    var(--tile-gradient),
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 5%, transparent), transparent);
  padding: 8px 6px;
  box-shadow: var(--tile-shadow);
}

.voltage-strip strong {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.1;
  font-weight: 570;
  white-space: nowrap;
}

.voltage-strip small {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 15px;
  border: 1.5px solid currentColor;
  border-radius: 6px;
  font-size: 10px;
  line-height: 1;
}

.green {
  color: var(--green);
}

.orange {
  color: var(--orange);
}

.red {
  color: var(--red);
}

.purple {
  color: var(--purple);
}

.mos-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: center;
  border-radius: 22px;
  padding: 12px 14px;
}

.mos-card[data-tone="warn"] .mos-icon {
  color: var(--orange);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent),
    color-mix(in srgb, var(--orange) 14%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 0 0 1px color-mix(in srgb, var(--orange) 20%, transparent),
    0 8px 18px color-mix(in srgb, var(--orange) 12%, transparent);
}

.mos-card[data-tone="alarm"] .mos-icon {
  color: var(--red);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent),
    color-mix(in srgb, var(--red) 14%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 0 0 1px color-mix(in srgb, var(--red) 20%, transparent),
    0 8px 18px color-mix(in srgb, var(--red) 12%, transparent);
}

.mos-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--orange);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent),
    color-mix(in srgb, var(--orange) 14%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    inset 0 0 0 1px color-mix(in srgb, var(--orange) 20%, transparent),
    0 8px 18px color-mix(in srgb, var(--orange) 12%, transparent);
}

.mos-icon svg {
  width: 18px;
  height: 18px;
}

.mos-state {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.mos-card strong {
  display: block;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.2;
  font-weight: 580;
}

.mos-card b {
  font-weight: 620;
}

.balance-button,
.ios-button {
  border: 0;
  color: #fff;
  background:
    linear-gradient(180deg, color-mix(in srgb, white 22%, transparent), transparent),
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 86%, var(--purple)), var(--blue));
  border-radius: 999px;
  font-weight: 600;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 22px color-mix(in srgb, var(--blue) 22%, transparent);
}

.balance-button {
  min-width: 82px;
  height: 40px;
  padding: 0 14px;
}

.quick-controls {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.quick-controls button {
  border: 0;
  height: 38px;
  border-radius: 999px;
  color: var(--blue);
  background:
    var(--glass-inner),
    color-mix(in srgb, var(--blue) 11%, transparent);
  font-size: 13px;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 14%, transparent);
}

.control-list {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.control-list button {
  border: 0;
  min-height: 40px;
  border-radius: 999px;
  color: var(--blue);
  background:
    var(--glass-inner),
    color-mix(in srgb, var(--blue) 11%, transparent);
  font-size: 13px;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 14%, transparent);
}

.control-list button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0.78;
}

.temperature-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 10px 12px 0;
}

.temperature-list div {
  min-width: 0;
  border-radius: 15px;
  background:
    var(--tile-gradient),
    var(--tile);
  padding: 7px 4px;
  text-align: center;
  box-shadow: var(--tile-shadow);
}

.temperature-list strong {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.15;
  font-weight: 560;
  white-space: nowrap;
}

.flag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 10px 12px 0;
}

.flag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 5px 8px;
  background:
    var(--tile-gradient),
    var(--tile);
  color: var(--ink);
  box-shadow: var(--tile-shadow);
  font-size: 11px;
  line-height: 1.15;
  font-weight: 570;
}

.flag-chip.protect {
  color: var(--red);
  background: color-mix(in srgb, var(--red) 9%, var(--surface-soft));
}

.flag-chip.warn {
  color: var(--orange);
  background: color-mix(in srgb, var(--orange) 10%, var(--surface-soft));
}

.flag-chip.ok {
  color: var(--green);
  background: color-mix(in srgb, var(--green) 10%, var(--surface-soft));
}

.cells-card {
  padding-bottom: 14px;
}

.cells-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 9px 7px;
  padding: 14px 12px 0;
}

.empty-cells {
  margin: 13px 12px 0;
  padding: 13px;
  border-radius: 16px;
  background:
    var(--tile-gradient),
    var(--tile);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
  text-align: center;
  box-shadow: var(--tile-shadow);
}

.cells-grid:not(:empty) + .empty-cells {
  display: none;
}

.cell {
  min-width: 0;
  padding: 8px 3px 7px;
  text-align: center;
  background:
    var(--tile-gradient),
    var(--tile);
  border-radius: 15px;
  box-shadow: var(--tile-shadow);
}

.battery-icon {
  --level: 0;
  --cell-color: var(--blue);
  width: 28px;
  height: 39px;
  margin: 0 auto 6px;
  border: 2px solid color-mix(in srgb, var(--cell-color) 72%, white);
  border-radius: 7px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: visible;
  color: #fff;
  font-size: 10px;
  font-weight: 560;
  background: color-mix(in srgb, var(--cell-color) 9%, transparent);
  box-shadow:
    0 8px 16px color-mix(in srgb, var(--cell-color) 16%, transparent),
    0 0 0 5px color-mix(in srgb, var(--cell-color) 5%, transparent),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.battery-icon::before {
  content: "";
  width: 12px;
  height: 4px;
  border-radius: 4px 4px 0 0;
  background: color-mix(in srgb, var(--cell-color) 72%, white);
  position: absolute;
  top: -6px;
}

.battery-icon::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 2px;
  height: calc(var(--level) * 1%);
  min-height: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--cell-color) 68%, white), var(--cell-color));
}

.battery-icon span {
  position: relative;
  z-index: 1;
  min-width: 0;
  height: auto;
  display: inline-grid;
  place-items: center;
  border-radius: 0;
  color: rgba(255, 255, 255, 0.94);
  background: transparent;
  box-shadow: none;
  text-shadow: 0 1px 3px rgba(17, 24, 39, 0.34);
  font-size: 11px;
  line-height: 1;
}

.cell strong {
  display: block;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.15;
  font-weight: 540;
  white-space: nowrap;
}

.cell.normal .battery-icon {
  --cell-color: var(--blue);
}

.cell.low .battery-icon,
.cell.min .battery-icon {
  --cell-color: var(--orange);
}

.cell.max .battery-icon {
  --cell-color: var(--red);
}

.cell.critical .battery-icon,
.cell.max.critical .battery-icon {
  --cell-color: var(--red);
}

.cell.balancing .battery-icon,
.cell.balancing.min .battery-icon,
.cell.balancing.max .battery-icon {
  --cell-color: var(--green);
  box-shadow:
    0 10px 20px color-mix(in srgb, var(--green) 30%, transparent),
    0 0 0 5px color-mix(in srgb, var(--green) 10%, transparent),
    inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.cell.balancing strong,
.cell.balancing.min strong,
.cell.balancing.max strong {
  color: var(--green);
}

.cell.waiting .battery-icon {
  --cell-color: #6f7c91;
  opacity: 0.48;
}

.cell.waiting .battery-icon span {
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
}

.cell.waiting strong {
  color: var(--subtle);
}

.cell.min strong,
.cell.low strong {
  color: var(--orange);
}

.cell.max strong,
.cell.critical strong {
  color: var(--red);
}

.balance-marker {
  display: flex;
  justify-content: center;
  padding: 8px 12px 2px;
}

.balance-marker[hidden] {
  display: none;
}

.balance-marker-icon {
  --level: 100;
  --cell-color: var(--green);
  width: 42px;
  height: 24px;
  margin: 0;
  color: #fff;
  font-size: 11px;
  font-weight: 720;
  border-radius: 7px;
  background: color-mix(in srgb, var(--cell-color) 12%, transparent);
  box-shadow:
    0 10px 20px color-mix(in srgb, var(--green) 28%, transparent),
    0 0 0 4px color-mix(in srgb, var(--green) 8%, transparent),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.balance-marker-icon::before {
  width: 5px;
  height: 10px;
  right: -7px;
  left: auto;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 0 4px 4px 0;
  background: color-mix(in srgb, var(--cell-color) 72%, white);
}

.balance-marker-icon::after {
  left: 2px;
  right: auto;
  top: 2px;
  bottom: 2px;
  width: calc(var(--level) * 1%);
  height: auto;
  min-height: 0;
  max-width: calc(100% - 4px);
  border-radius: 5px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--cell-color) 68%, white), var(--cell-color));
}

.balance-marker-icon span {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 3px rgba(17, 24, 39, 0.36);
}

.settings-sheet {
  position: fixed;
  inset: 0;
  z-index: 8;
  display: none;
  align-items: flex-end;
  background:
    radial-gradient(circle at 50% 100%, rgba(10, 132, 255, 0.16), transparent 34%),
    rgba(8, 10, 14, 0.32);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.settings-sheet.open {
  display: flex;
}

.sheet-panel {
  width: min(100%, 560px);
  max-height: calc(100vh - max(16px, env(safe-area-inset-top)));
  margin: 0 auto;
  overflow: auto;
  background:
    linear-gradient(145deg, var(--surface-strong), var(--surface) 56%, var(--surface-soft)),
    color-mix(in srgb, var(--page) 58%, transparent);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 26px 26px 0 0;
  padding: 8px 11px max(18px, env(safe-area-inset-bottom));
  box-shadow: var(--hairline), 0 -22px 54px rgba(0, 0, 0, 0.2);
}

.sheet-handle {
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 35%, transparent);
  margin: 0 auto 10px;
}

.sheet-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.sheet-title strong {
  font-size: 18px;
  font-weight: 650;
}

.settings-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.settings-summary-item {
  min-width: 0;
  padding: 10px 10px 9px;
  border-radius: 18px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
}

.settings-summary-item span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.25;
}

.settings-summary-item strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.25;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  overflow-wrap: anywhere;
  word-break: break-word;
}


.settings-summary-button {
  border: 0;
  text-align: left;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
}

.settings-summary-button em {
  display: inline-flex;
  margin-top: 5px;
  color: var(--blue);
  font-style: normal;
  font-size: 10px;
  line-height: 1.1;
  white-space: nowrap;
}

.settings-summary-button[aria-expanded="true"] {
  box-shadow: var(--tile-shadow), inset 0 0 0 1px color-mix(in srgb, var(--blue) 32%, transparent);
}

.collapsible-setting[hidden] {
  display: none;
}

.wifi-config-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.wifi-config-grid input {
  min-width: 0;
  border: 0;
  outline: 0;
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
  color: var(--ink);
  font-size: 12px;
}

.wifi-config-grid input::placeholder {
  color: var(--subtle);
}

.setting-subhead {
  display: grid;
  gap: 3px;
  margin-top: 14px;
  padding: 0 2px;
}

.setting-subhead strong {
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
}

.setting-subhead span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.cloud-config-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px;
  align-items: stretch;
}

.cloud-config-grid input {
  min-width: 0;
  border: 0;
  outline: 0;
  border-radius: 17px;
  background: var(--tile-gradient), var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
  color: var(--ink);
  font-size: 12px;
}

.cloud-config-grid input::placeholder {
  color: var(--subtle);
}

.cloud-config-grid .ios-button {
  grid-column: 1 / -1;
}

.setting-hint {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  padding: 0 2px;
}

.wifi-network-list .network-item strong {
  font-size: 12px;
}

.small-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
}

.setting-group {
  border-radius: 22px;
  padding: 12px;
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.setting-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.setting-head strong {
  display: block;
  font-size: 13px;
  font-weight: 620;
}

.setting-head span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  margin-top: 3px;
}

.ios-button {
  padding: 7px 12px;
  font-size: 12px;
}

.permission-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.permission-row input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  outline: 0;
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
  color: var(--ink);
}

.permission-row input::placeholder {
  color: var(--subtle);
}

.permission-level-button {
  flex: 0 0 72px;
  min-width: 72px;
  padding-inline: 10px;
  white-space: nowrap;
}

.permission-level-button[data-state="unlocked"] {
  color: var(--green);
}

.permission-level-button[data-state="locked"] {
  color: var(--orange);
}

.permission-level-button[data-state="unset"],
.permission-level-button[data-state="waiting"],
.permission-level-button[data-state="offline"] {
  color: var(--muted);
}

.settings-actions {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.maintenance-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.runtime-group .setting-head span {
  max-width: 270px;
}

.ios-button:disabled,
.network-item:disabled,
.capture-actions button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0.58;
  cursor: not-allowed;
  pointer-events: none;
}

.ios-button.secondary {
  background:
    var(--tile-gradient),
    linear-gradient(145deg, var(--surface-strong), var(--surface-soft));
  color: var(--blue);
  box-shadow: var(--hairline), 0 8px 18px color-mix(in srgb, var(--blue) 10%, transparent);
}

.ios-button.danger {
  background:
    var(--tile-gradient),
    color-mix(in srgb, var(--red) 12%, var(--surface-soft));
  color: var(--red);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--red) 26%, transparent);
}

.capture-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.network-list {
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
  max-height: 260px;
  overflow: auto;
  padding-right: 2px;
}

.network-item {
  border: 0;
  width: 100%;
  min-height: 42px;
  border-radius: 17px;
  background:
    var(--tile-gradient),
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 5%, transparent), var(--surface-soft));
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  text-align: left;
  box-shadow: var(--tile-shadow);
}

.network-note {
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  color: var(--muted);
  padding: 8px 10px;
  box-shadow: var(--tile-shadow);
}

.saved-target {
  margin-top: 10px;
  padding: 9px 10px;
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
  word-break: break-word;
  box-shadow: var(--tile-shadow);
}

.saved-target[hidden] {
  display: none;
}

.saved-target strong {
  display: block;
  color: var(--ink);
  font-size: 12px;
  margin-bottom: 3px;
}

.saved-target-info {
  display: grid;
  gap: 3px;
}

.saved-target-info span {
  display: block;
}

.saved-target-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 9px;
}

.saved-target-actions .ios-button:only-child {
  grid-column: 1 / -1;
}

.network-item.pending {
  opacity: 0.72;
  pointer-events: none;
}

.network-item.connected {
  background:
    var(--glass-inner),
    color-mix(in srgb, var(--green) 12%, var(--surface-soft));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--green) 34%, transparent);
}

.network-item.connected > span {
  color: var(--green);
  font-weight: 680;
}

.network-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  white-space: nowrap;
}

.network-action b {
  font-size: 12px;
  font-weight: 680;
}

.ble-signal {
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 2px;
  height: 8px;
  vertical-align: middle;
}

.ble-signal i {
  display: block;
  width: 8px;
  height: 5px;
  min-width: 8px;
  max-width: 8px;
  min-height: 5px;
  max-height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 28%, transparent);
}

.ble-signal i.on {
  background: var(--blue);
}

.network-item strong {
  display: block;
  font-size: 13px;
  font-weight: 610;
}

.network-item span,
.ota-url {
  color: var(--muted);
  font-size: 12px;
}

.ota-url {
  width: 100%;
  border: 0;
  outline: 0;
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
  color: var(--ink);
}

.ota-url {
  margin-top: 12px;
  word-break: break-all;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.protocol-item {
  min-width: 0;
  padding: 10px 10px 9px;
  border-radius: 18px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
}

.protocol-item span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.25;
}

.protocol-item strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.35;
  word-break: break-word;
}

.protocol-frame {
  min-height: 72px;
  border-radius: 18px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--blue) 4%, transparent), transparent 60%),
    var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
  font-size: 11px;
  line-height: 1.45;
  word-break: break-all;
  max-height: 150px;
  overflow: auto;
}

.protocol-meta {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.log-list {
  display: grid;
  gap: 8px;
  max-height: 300px;
  overflow: auto;
  padding-right: 2px;
}

.log-item {
  border-radius: 17px;
  background:
    var(--tile-gradient),
    var(--tile);
  box-shadow: var(--tile-shadow);
  padding: 10px 12px;
}

.log-item strong {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 620;
}

.log-item strong span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 520;
}

.log-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.log-raw {
  display: block;
  margin-top: 4px;
  color: var(--subtle);
  font-size: 10px;
  line-height: 1.35;
  word-break: break-word;
}

@media (max-width: 380px) {
  .eyebrow {
    gap: 6px;
    font-size: 9.5px;
  }

  .poll-inline {
    max-width: 150px;
  }
}

@media (max-width: 440px) {
  .settings-summary,
  .protocol-grid,
  .settings-actions,
  .capture-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .maintenance-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .permission-row {
    flex-wrap: wrap;
  }

  .permission-level-button {
    flex: 0 0 72px;
  }
}

.log-item[data-level="warn"] strong {
  color: var(--orange);
}

.log-item[data-level="error"] strong {
  color: var(--red);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 20;
  max-width: min(430px, calc(100vw - 28px));
  transform: translate(-50%, 18px);
  opacity: 0;
  pointer-events: none;
  color: var(--ink);
  background:
    var(--glass-inner),
    var(--surface-strong);
  border-radius: 999px;
  padding: 11px 16px;
  box-shadow: var(--hairline), 0 16px 38px rgba(0, 0, 0, 0.18);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  font-size: 13px;
  font-weight: 590;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast[data-tone="success"] {
  color: var(--green);
}

.toast[data-tone="error"] {
  color: var(--red);
}

@media (max-width: 430px) {
  .phone-shell {
    padding-left: 8px;
    padding-right: 8px;
  }

  .hero-card {
    grid-template-columns: 104px 1fr;
    gap: 7px;
    padding: 7px;
    min-height: 196px;
  }

  .pack-summary {
    padding-left: 7px;
    padding-right: 7px;
  }

  .soc-ring {
    --size: 76px;
  }

  .soc-inner span {
    font-size: 22px;
  }

  .hero-values {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .hero-values div {
    min-height: 42px;
    padding: 6px 5px;
  }

  .hero-values strong {
    font-size: 12px;
  }

  .hero-values b {
    font-size: 14px;
  }

  .voltage-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .temperature-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .cells-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 13px 5px;
    padding-left: 7px;
    padding-right: 7px;
  }

  .mos-card {
    grid-template-columns: auto 1fr;
  }

  .balance-button {
    grid-column: 1 / -1;
    width: 100%;
  }
}


@media (max-width: 520px) {

  .wifi-config-grid {
    grid-template-columns: 1fr;
  }
}

/* V13 SOC 主仪表环 + 设置页折叠卡片优化 */
.soc-gauge-wrap {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 7px;
}

.soc-ring {
  --size: 92px;
  --soc-color: var(--blue);
  position: relative;
  isolation: isolate;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), rgba(127, 135, 149, 0.18) 0);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 0 0 1px color-mix(in srgb, var(--soc-color) 18%, var(--line));
}

.soc-ring::before {
  content: "";
  position: absolute;
  inset: 8px;
  z-index: 0;
  border-radius: 50%;
  background: var(--surface-strong);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--soc-color) 10%, var(--line));
}

.soc-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--soc-color) 14%, transparent);
  pointer-events: none;
}

.soc-ring[data-mode="charging"] { --soc-color: var(--green); }
.soc-ring[data-mode="standby"] { --soc-color: var(--blue); }
.soc-ring[data-mode="low"] { --soc-color: var(--orange); }
.soc-ring[data-mode="critical"],
.soc-ring[data-mode="alert"] { --soc-color: var(--red); }

/* SOC 圆环保持清爽，不使用雾状外发光，避免与状态卡重复抢视觉。 */

.soc-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  justify-content: center;
  column-gap: 2px;
  row-gap: 2px;
  color: var(--soc-color);
  text-align: center;
}

.soc-inner span {
  font-size: 28px;
  line-height: 0.95;
  font-weight: 720;
  letter-spacing: -0.04em;
}

.soc-inner small {
  font-size: 12px;
  font-weight: 640;
  opacity: 0.88;
}

.soc-inner em {
  grid-column: 1 / -1;
  max-width: 70px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.15;
  font-style: normal;
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.soc-meta {
  max-width: 100%;
  color: var(--muted);
  font-size: 10.5px;
  line-height: 1.2;
  font-weight: 590;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.settings-summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.settings-summary-button {
  min-height: 76px;
  padding: 12px 12px 10px;
}

.settings-summary-button span {
  font-size: 11px;
}

.settings-summary-button strong {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.25;
}

.settings-summary-button em {
  margin-top: 7px;
}


.setting-hint[data-ok="1"] {
  color: var(--green);
}

.setting-hint[data-ok="0"] {
  color: var(--orange);
}

.embedded-runtime-group {
  display: grid;
  gap: 8px;
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.compact-head {
  align-items: center;
}

.refresh-actions .ios-button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0.55;
}

.settings-summary-button:focus-visible,
.ios-button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--blue) 52%, transparent);
  outline-offset: 2px;
}

@media (max-width: 440px) {
  .settings-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-summary-button {
    min-height: 72px;
  }
}

@media (max-width: 430px) {
  .soc-ring {
    --size: 82px;
  }

  .soc-inner span {
    font-size: 25px;
  }

  .soc-inner em {
    max-width: 62px;
    font-size: 10px;
  }
}


/* V17.2: 顶部横向均衡小电芯只补充方向，不重复电芯编号。 */
.balance-marker {
  align-items: center;
  gap: 8px;
}

.balance-marker-direction {
  color: var(--green);
  font-size: 12px;
  line-height: 1;
  font-weight: 760;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.balance-marker-icon[data-direction="arrow-down"] + .balance-marker-direction {
  color: var(--red);
}


/* V17.4: SOC 圆环内只保留百分比，去掉内层雾状和多余 SOC 字样。 */
.soc-ring {
  background: conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), rgba(127, 135, 149, 0.18) 0);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--soc-color) 16%, var(--line));
}

.soc-ring::before {
  background: var(--surface-strong);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--soc-color) 8%, var(--line));
}

.soc-ring::after {
  box-shadow: none;
}

.soc-inner {
  grid-template-columns: auto auto;
  row-gap: 0;
}

.soc-inner em {
  display: none;
}

.soc-inner span {
  font-size: 30px;
  font-weight: 760;
}

.soc-meta {
  min-height: 13px;
  font-size: 10.8px;
  letter-spacing: 0.01em;
}


/* V17.4: 均衡目标电芯选择逻辑未完全确认，首页不再显示疑似目标。自动均衡只进入运行栏。 */
.balance-marker { display: none !important; }
.cell.balancing {
  box-shadow: none !important;
  outline: none !important;
}
.cell.balancing .battery-icon {
  --cell-color: var(--blue);
}


/* V17.5 设置页滚动流畅修正：降低 iOS/移动端滚动时的重绘压力 */
body.settings-open {
  overflow: hidden;
}

.settings-sheet {
  overscroll-behavior: contain;
  touch-action: none;
  background: rgba(8, 10, 14, 0.28);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.settings-sheet .sheet-panel {
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  contain: layout paint style;
  transform: translateZ(0);
  will-change: scroll-position;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 94%, var(--page)), color-mix(in srgb, var(--surface) 96%, var(--page)) 58%, color-mix(in srgb, var(--surface-soft) 92%, var(--page))),
    var(--page);
}

.settings-sheet .setting-group {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background:
    var(--tile-gradient),
    color-mix(in srgb, var(--surface-strong) 68%, var(--page));
  box-shadow: var(--hairline), 0 8px 20px rgba(31, 41, 55, 0.07);
}

.settings-sheet .settings-summary-item,
.settings-sheet .network-item,
.settings-sheet .network-note,
.settings-sheet .saved-target,
.settings-sheet .ota-url,
.settings-sheet .protocol-item,
.settings-sheet .protocol-frame,
.settings-sheet .log-item,
.settings-sheet .wifi-config-grid input,
.settings-sheet .cloud-config-grid input,
.settings-sheet .permission-row input,
.settings-sheet .ios-button.secondary {
  box-shadow: var(--hairline), 0 5px 14px rgba(31, 41, 55, 0.055);
}

.sheet-panel,
.network-list,
.log-list,
.protocol-frame {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.settings-sheet .settings-summary,
.settings-sheet .setting-group,
.settings-sheet .network-list,
.settings-sheet .log-list,
.settings-sheet .protocol-frame {
  content-visibility: auto;
  contain-intrinsic-size: 1px 160px;
}

@media (prefers-reduced-transparency: reduce) {
  .settings-sheet,
  .settings-sheet .sheet-panel,
  .settings-sheet .setting-group {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* V17.7.1: 纯白满屏浅色 UI + SOC 简约进度环
   目标：不改变现有模块布局，只替换底色、外层满屏策略和视觉质感。 */
:root {
  color-scheme: light;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --surface-soft: #f8fafc;
  --tile: #ffffff;
  --tile-gradient: #ffffff;
  --glass-gradient: #ffffff;
  --glass-inner: #ffffff;
  --glass-highlight: rgba(255, 255, 255, 0.96);
  --glass-lowlight: rgba(255, 255, 255, 0);
  --line: rgba(15, 23, 42, 0.085);
  --ink: #111827;
  --muted: #667085;
  --subtle: #98a2b3;
  --blue: #0a84ff;
  --green: #16a34a;
  --orange: #f59e0b;
  --red: #ef4444;
  --purple: #7c3aed;
  --shadow: 0 8px 22px rgba(15, 23, 42, 0.055);
  --soft-shadow: 0 4px 14px rgba(15, 23, 42, 0.045);
  --tile-shadow: inset 0 0 0 1px var(--line), 0 2px 8px rgba(15, 23, 42, 0.025);
  --hairline: inset 0 0 0 1px var(--line);
  --accent-glow: none;
  --blur: none;
}

html,
body {
  min-height: 100%;
  background: #ffffff !important;
}

body::before {
  display: none !important;
}

body[data-theme="dark"] {
  color-scheme: light;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --surface-soft: #f8fafc;
  --tile: #ffffff;
  --tile-gradient: #ffffff;
  --glass-gradient: #ffffff;
  --glass-inner: #ffffff;
  --line: rgba(15, 23, 42, 0.085);
  --ink: #111827;
  --muted: #667085;
  --subtle: #98a2b3;
  --blue: #0a84ff;
  --green: #16a34a;
  --orange: #f59e0b;
  --red: #ef4444;
  --purple: #7c3aed;
  --shadow: 0 8px 22px rgba(15, 23, 42, 0.055);
  --soft-shadow: 0 4px 14px rgba(15, 23, 42, 0.045);
  --tile-shadow: inset 0 0 0 1px var(--line), 0 2px 8px rgba(15, 23, 42, 0.025);
  --hairline: inset 0 0 0 1px var(--line);
  --accent-glow: none;
  --blur: none;
  background: #ffffff !important;
}

body[data-theme="dark"]::before {
  display: none !important;
}

.phone-shell {
  width: 100%;
  max-width: none;
  min-height: 100dvh;
  margin: 0;
  padding: calc(8px + env(safe-area-inset-top)) 8px calc(16px + env(safe-area-inset-bottom));
  background: #ffffff;
}

.app-header {
  padding-top: 2px;
  border-bottom: 0;
  background: #ffffff;
}

.icon-button,
.small-icon,
.status-strip,
.hero-card,
.voltage-card,
.mos-card,
.data-card,
.temperature-card,
.cells-card,
.setting-group,
.pack-summary,
.status-strip div,
.hero-values div,
.voltage-strip,
.voltage-strip div,
.temperature-list div,
.flag-item,
.cell,
.settings-summary-item,
.network-item,
.network-note,
.saved-target,
.ota-url,
.protocol-item,
.protocol-frame,
.log-item,
.wifi-config-grid input,
.permission-row input,
.ios-button.secondary {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: var(--hairline), var(--soft-shadow) !important;
}

.status-strip,
.hero-card,
.voltage-card,
.mos-card,
.data-card,
.temperature-card,
.cells-card,
.setting-group {
  border-radius: 18px;
}

.pack-summary {
  background: #ffffff !important;
}

.hero-values div,
.status-strip div,
.voltage-strip div,
.temperature-list div,
.cell {
  border-radius: 14px;
}

/* SOC 简约进度环：去掉磨砂、内雾、外发光，只保留纯白底 + 灰色轨道 + 绿色进度。 */
.soc-ring {
  --soc-color: var(--green);
  --soc-track: #eef0f3;
  background: conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), var(--soc-track) 0) !important;
  box-shadow: none !important;
}

.soc-ring::before {
  content: "";
  position: absolute;
  inset: 8px;
  z-index: 0;
  border-radius: 50%;
  background: #ffffff !important;
  box-shadow: none !important;
}

.soc-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 0 !important;
  box-shadow: none !important;
  pointer-events: none;
}

.soc-ring[data-mode="charging"],
.soc-ring[data-mode="standby"],
.soc-ring[data-mode="low"],
.soc-ring[data-mode="critical"],
.soc-ring[data-mode="alert"] {
  --soc-color: var(--green);
}

.soc-inner {
  color: #111827 !important;
}

.soc-inner span {
  color: #111827 !important;
  font-weight: 760;
}

.soc-inner small {
  color: #111827 !important;
  font-weight: 700;
}

.soc-inner em {
  display: none !important;
}

.soc-meta {
  color: var(--muted);
}

.settings-sheet {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.sheet-panel {
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  border-radius: 0;
  padding: calc(8px + env(safe-area-inset-top)) 10px calc(18px + env(safe-area-inset-bottom));
  background: #ffffff !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.sheet-handle {
  display: none;
}

.toast {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: var(--hairline), 0 10px 28px rgba(15, 23, 42, 0.10) !important;
}

@media (min-width: 700px) {
  .phone-shell {
    max-width: 480px;
    margin: 0 auto;
    padding-left: 10px;
    padding-right: 10px;
  }

  .sheet-panel {
    max-width: 560px;
    margin: 0 auto;
  }
}


/* V17.7.2: UI 细节修正
   - 首页电压概览区去掉外层横线，只保留内部小块边界。
   - SOC 环缩小数字、减细进度条，并恢复深色模式适配；深色 SOC 使用电芯图标同系蓝色。
   - 设置页保持当前满屏风格，但浅/深色下都更贴合 iOS 平扁简约质感。 */
.voltage-strip {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
  outline: 0 !important;
}

.voltage-card .section-title {
  padding-bottom: 0;
  border-bottom: 0 !important;
}

.voltage-strip div {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 86%, transparent) !important;
}

.soc-ring {
  --soc-color: var(--green);
  --soc-track: #edf0f3;
  --soc-ring-cutout: 7px;
  background: conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), var(--soc-track) 0) !important;
  box-shadow: none !important;
}

.soc-ring::before {
  inset: var(--soc-ring-cutout) !important;
  background: var(--page) !important;
  box-shadow: none !important;
}

.soc-ring::after {
  display: none !important;
}

.soc-inner span {
  font-size: clamp(24px, 7.2vw, 28px) !important;
  font-weight: 720 !important;
  letter-spacing: -0.045em;
}

.soc-inner small {
  font-size: 11px !important;
  font-weight: 680 !important;
  margin-left: 1px;
}

@media (min-width: 700px) {
  .soc-inner span {
    font-size: 28px !important;
  }
}

body[data-theme="dark"] {
  color-scheme: dark;
  --page: #0b111a;
  --surface: #101824;
  --surface-strong: #121c2a;
  --surface-soft: #0f1722;
  --tile: #121c2a;
  --tile-gradient: #121c2a;
  --glass-gradient: #101824;
  --glass-inner: #121c2a;
  --glass-highlight: rgba(255, 255, 255, 0.07);
  --glass-lowlight: rgba(0, 0, 0, 0.28);
  --line: rgba(148, 163, 184, 0.18);
  --ink: #f8fafc;
  --muted: #a8b3c4;
  --subtle: #768397;
  --blue: #4aa3ff;
  --green: #35d07f;
  --orange: #ffb020;
  --red: #ff5a6f;
  --purple: #a78bfa;
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
  --soft-shadow: 0 5px 16px rgba(0, 0, 0, 0.22);
  --tile-shadow: inset 0 0 0 1px var(--line), 0 2px 10px rgba(0, 0, 0, 0.16);
  --hairline: inset 0 0 0 1px var(--line);
  background: var(--page) !important;
}

body[data-theme="dark"] .phone-shell,
body[data-theme="dark"] .app-header,
body[data-theme="dark"] .settings-sheet,
body[data-theme="dark"] .sheet-panel {
  background: var(--page) !important;
}

body[data-theme="dark"] .icon-button,
body[data-theme="dark"] .small-icon,
body[data-theme="dark"] .status-strip,
body[data-theme="dark"] .hero-card,
body[data-theme="dark"] .voltage-card,
body[data-theme="dark"] .mos-card,
body[data-theme="dark"] .data-card,
body[data-theme="dark"] .temperature-card,
body[data-theme="dark"] .cells-card,
body[data-theme="dark"] .setting-group,
body[data-theme="dark"] .pack-summary,
body[data-theme="dark"] .status-strip div,
body[data-theme="dark"] .hero-values div,
body[data-theme="dark"] .voltage-strip div,
body[data-theme="dark"] .temperature-list div,
body[data-theme="dark"] .flag-item,
body[data-theme="dark"] .cell,
body[data-theme="dark"] .settings-summary-item,
body[data-theme="dark"] .network-item,
body[data-theme="dark"] .network-note,
body[data-theme="dark"] .saved-target,
body[data-theme="dark"] .ota-url,
body[data-theme="dark"] .protocol-item,
body[data-theme="dark"] .protocol-frame,
body[data-theme="dark"] .log-item,
body[data-theme="dark"] .wifi-config-grid input,
body[data-theme="dark"] .cloud-config-grid input,
body[data-theme="dark"] .permission-row input,
body[data-theme="dark"] .ios-button.secondary,
body[data-theme="dark"] .toast {
  background: var(--surface-strong) !important;
  color: var(--ink);
  box-shadow: var(--hairline), var(--soft-shadow) !important;
}

body[data-theme="dark"] .voltage-strip {
  background: transparent !important;
  box-shadow: none !important;
}

body[data-theme="dark"] .soc-ring {
  --soc-color: var(--blue);
  --soc-track: rgba(148, 163, 184, 0.18);
}

body[data-theme="dark"] .soc-ring::before {
  background: var(--page) !important;
}

body[data-theme="dark"] .soc-inner,
body[data-theme="dark"] .soc-inner span,
body[data-theme="dark"] .soc-inner small {
  color: var(--ink) !important;
}

body[data-theme="dark"] .soc-meta,
body[data-theme="dark"] .section-title span,
body[data-theme="dark"] .status-strip span,
body[data-theme="dark"] .status-strip small,
body[data-theme="dark"] .hero-values span,
body[data-theme="dark"] .voltage-strip span,
body[data-theme="dark"] .settings-summary-item span,
body[data-theme="dark"] .settings-summary-button em {
  color: var(--muted) !important;
}

body[data-theme="dark"] .sheet-title,
body[data-theme="dark"] .setting-head,
body[data-theme="dark"] .network-list,
body[data-theme="dark"] .log-list {
  border-color: var(--line) !important;
}

/* V17.7.4: SOC 轻量化修正
   - 浅色页使用柔和电芯蓝，避免高饱和蓝/绿色抢视觉。
   - 环线收细、轨道改中性浅灰，中心数字回归 iOS 风格主文字。
   - 压住 data-mode 旧状态色，SOC 环只表达电量进度，不重复表达告警/充放电。 */
body:not([data-theme="dark"]) .soc-ring,
body:not([data-theme="dark"]) .soc-ring[data-mode],
body:not([data-theme="dark"]) .soc-ring[data-mode="charging"],
body:not([data-theme="dark"]) .soc-ring[data-mode="standby"],
body:not([data-theme="dark"]) .soc-ring[data-mode="low"],
body:not([data-theme="dark"]) .soc-ring[data-mode="critical"],
body:not([data-theme="dark"]) .soc-ring[data-mode="alert"] {
  --size: 86px;
  --soc-color: #3478f6 !important;
  --soc-track: #eef1f5 !important;
  --soc-ring-cutout: 4px;
  background: conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), var(--soc-track) 0) !important;
  box-shadow: none !important;
}

body:not([data-theme="dark"]) .soc-ring::before {
  inset: var(--soc-ring-cutout) !important;
  background: #ffffff !important;
  box-shadow: none !important;
}

body:not([data-theme="dark"]) .soc-ring::after {
  display: none !important;
}

body:not([data-theme="dark"]) .soc-inner,
body:not([data-theme="dark"]) .soc-inner span,
body:not([data-theme="dark"]) .soc-inner small {
  color: #1d1d1f !important;
}

body:not([data-theme="dark"]) .soc-inner span {
  font-size: clamp(22px, 6.5vw, 26px) !important;
  font-weight: 680 !important;
  letter-spacing: -0.04em;
}

body:not([data-theme="dark"]) .soc-inner small {
  font-size: 10px !important;
  font-weight: 650 !important;
  margin-left: 1px;
  opacity: 0.84;
}

body[data-theme="dark"] .soc-ring,
body[data-theme="dark"] .soc-ring[data-mode],
body[data-theme="dark"] .soc-ring[data-mode="charging"],
body[data-theme="dark"] .soc-ring[data-mode="standby"],
body[data-theme="dark"] .soc-ring[data-mode="low"],
body[data-theme="dark"] .soc-ring[data-mode="critical"],
body[data-theme="dark"] .soc-ring[data-mode="alert"] {
  --size: 86px;
  --soc-color: #73bbff !important;
  --soc-track: rgba(115, 187, 255, 0.18) !important;
  --soc-ring-cutout: 5px;
  background: conic-gradient(var(--soc-color) calc(var(--soc) * 1turn), var(--soc-track) 0) !important;
  box-shadow: none !important;
}

body[data-theme="dark"] .soc-ring::before {
  inset: var(--soc-ring-cutout) !important;
  background: var(--page) !important;
  box-shadow: none !important;
}

body[data-theme="dark"] .soc-ring::after {
  display: none !important;
}

body[data-theme="dark"] .soc-inner,
body[data-theme="dark"] .soc-inner span,
body[data-theme="dark"] .soc-inner small {
  color: var(--ink) !important;
}

body[data-theme="dark"] .soc-inner span {
  font-size: clamp(22px, 6.5vw, 26px) !important;
  font-weight: 680 !important;
}

body[data-theme="dark"] .soc-inner small {
  font-size: 10px !important;
  font-weight: 650 !important;
  opacity: 0.86;
}

/* V17.8.1 account binding gate: Cloudflare Worker + D1 simple flow. */
.account-gate {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
}
.account-gate[hidden] { display: none !important; }
.account-card {
  width: min(100%, 430px);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 60px rgba(15, 23, 42, .14), inset 0 0 0 1px rgba(226,232,240,.9);
  padding: 20px;
  color: #111827;
}
.account-brand strong { display: block; font-size: 22px; letter-spacing: -.02em; }
.account-brand span { display: block; margin-top: 6px; color: #64748b; font-size: 13px; line-height: 1.45; }
.account-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 18px 0 12px; }
.account-tabs button,
.text-button {
  border: 0;
  border-radius: 14px;
  padding: 10px 12px;
  background: #f1f5f9;
  color: #475569;
  font-weight: 750;
}
.account-tabs button.active { background: #0f172a; color: #fff; }
.account-form { display: grid; gap: 10px; }
.account-form input {
  width: 100%;
  box-sizing: border-box;
  border: 0;
  border-radius: 15px;
  background: #fff;
  box-shadow: inset 0 0 0 1px #e2e8f0;
  padding: 13px 14px;
  font: inherit;
}
.account-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.account-line b { font-size: 15px; }
.device-list { display: grid; gap: 8px; margin-top: 2px; color: #64748b; font-size: 13px; }
.device-row {
  border: 0;
  width: 100%;
  text-align: left;
  border-radius: 16px;
  background: #f8fafc;
  box-shadow: inset 0 0 0 1px #e2e8f0;
  padding: 11px 12px;
  color: #0f172a;
}
.device-row strong { display: block; font-size: 14px; }
.device-row span { display: block; color: #64748b; margin-top: 3px; font-size: 12px; }
.device-row.active { box-shadow: inset 0 0 0 2px #3478f6; background: #f0f7ff; }
.account-hint { margin: 12px 0 0; color: #64748b; font-size: 12px; line-height: 1.45; }
body[data-theme="dark"] .account-gate { background: rgba(2,6,23,.9); }
body[data-theme="dark"] .account-card { background: #0f172a; color: #e5edf7; box-shadow: 0 18px 60px rgba(0,0,0,.48), inset 0 0 0 1px rgba(148,163,184,.22); }
body[data-theme="dark"] .account-brand span,
body[data-theme="dark"] .account-hint,
body[data-theme="dark"] .device-list,
body[data-theme="dark"] .device-row span { color: #94a3b8; }
body[data-theme="dark"] .account-tabs button,
body[data-theme="dark"] .text-button,
body[data-theme="dark"] .device-row { background: rgba(148,163,184,.12); color: #dbeafe; box-shadow: inset 0 0 0 1px rgba(148,163,184,.22); }
body[data-theme="dark"] .account-tabs button.active { background: #73bbff; color: #07111f; }
body[data-theme="dark"] .account-form input { background: rgba(15,23,42,.82); color: #e5edf7; box-shadow: inset 0 0 0 1px rgba(148,163,184,.28); }