:root {
  color-scheme: light;
  --app-width: 330px;
  --bg: #eef2f6;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --ink: #172033;
  --muted: #667085;
  --line: #d8e0ea;
  --blue: #1d5fd1;
  --blue-soft: #e9f1ff;
  --green: #087f5b;
  --green-soft: #e7f7ef;
  --amber: #a85b00;
  --amber-soft: #fff4dc;
  --red: #b42318;
  --red-soft: #feeceb;
  --teal: #0f766e;
  --teal-soft: #e5f5f3;
  --shadow: 0 18px 40px rgba(23, 32, 51, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background:
    linear-gradient(180deg, rgba(29, 95, 209, 0.1), rgba(29, 95, 209, 0) 220px),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
  line-height: 1.45;
}

button {
  font: inherit;
}

.app-shell {
  width: min(100%, var(--app-width));
  min-height: 100vh;
  margin: 0 auto;
  background: var(--bg);
}

.page-header {
  padding: 14px 10px 10px;
  background: #142033;
  color: #ffffff;
}

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

.eyebrow {
  margin: 0 0 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 850;
  letter-spacing: 0;
}

.count-badge {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.device-switcher {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 10px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.device-switcher::-webkit-scrollbar {
  display: none;
}

.device-tab {
  display: grid;
  flex: 0 0 140px;
  gap: 3px;
  min-height: 54px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.device-tab:disabled {
  cursor: default;
}

.device-tab.is-active {
  border-color: var(--blue);
  background: var(--blue-soft);
  box-shadow: inset 0 0 0 1px rgba(29, 95, 209, 0.18);
}

.device-tab.is-error {
  border-color: var(--red);
  background: var(--red-soft);
  box-shadow: inset 0 0 0 1px rgba(180, 35, 24, 0.14);
}

.device-tab-name,
.device-tab-id {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-tab-name {
  font-size: 13px;
  font-weight: 850;
}

.device-tab-id {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.content {
  display: grid;
  gap: 10px;
  padding: 10px 10px 18px;
}

.device-summary,
.section,
.board-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.05);
}

.device-summary {
  overflow: hidden;
}

.summary-head {
  padding: 12px;
  background:
    linear-gradient(135deg, rgba(29, 95, 209, 0.14), rgba(15, 118, 110, 0.08)),
    #ffffff;
}

.summary-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.summary-title {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0;
}

.summary-subtitle {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  max-width: 136px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.status-pill.good {
  background: var(--green-soft);
  color: var(--green);
}

.status-pill.warn {
  background: var(--amber-soft);
  color: var(--amber);
}

.status-pill.bad {
  background: var(--red-soft);
  color: var(--red);
}

.status-pill.neutral {
  background: #edf1f6;
  color: #4b5565;
}

.summary-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.summary-item {
  min-width: 0;
  padding: 9px 10px;
  background: #ffffff;
}

.summary-label,
.field-label,
.metric-label {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.summary-value,
.field-value,
.metric-value {
  margin: 4px 0 0;
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.metric {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-value {
  font-size: 18px;
  line-height: 1.1;
}

.metric-foot {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.board-panel {
  overflow: hidden;
}

.primary-tabs,
.secondary-tabs {
  display: flex;
  overflow-x: auto;
  background: #ffffff;
  scrollbar-width: none;
}

.primary-tabs::-webkit-scrollbar,
.secondary-tabs::-webkit-scrollbar {
  display: none;
}

.primary-tabs {
  border-bottom: 1px solid var(--line);
}

.secondary-tabs {
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
}

.secondary-tabs.is-empty {
  display: none;
}

.primary-tab-button,
.secondary-tab-button {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 11px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: #2f3848;
  font-weight: 850;
  white-space: nowrap;
  cursor: pointer;
}

.secondary-tab-button {
  min-height: 36px;
  padding: 0 10px;
  color: #445064;
  font-size: 13px;
  font-weight: 800;
}

.primary-tab-button.is-active,
.secondary-tab-button.is-active {
  color: var(--blue);
  background: #ffffff;
}

.primary-tab-button.is-active::after,
.secondary-tab-button.is-active::after {
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: var(--blue);
  content: "";
}

.tab-panel {
  background: #ffffff;
}

.section {
  overflow: hidden;
}

.tab-section {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 40px;
  padding: 0 10px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.section-title {
  margin: 0;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0;
}

.section-note {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  white-space: nowrap;
}

.field-list {
  display: grid;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(96px, 38%) minmax(0, 1fr);
  gap: 8px;
  min-height: 42px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
}

.field-row:last-child {
  border-bottom: 0;
}

.field-label {
  align-self: start;
  padding-top: 2px;
}

.field-value {
  margin-top: 0;
  text-align: right;
}

.field-value.is-muted {
  color: var(--muted);
}

.iccid-list {
  display: grid;
  gap: 6px;
  padding: 8px;
}

.iccid-card {
  display: grid;
  gap: 7px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.iccid-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.iccid-title {
  margin: 0;
  font-size: 13px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.iccid-subtitle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.iccid-badge {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 24px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.iccid-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.iccid-stat {
  min-width: 0;
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-soft);
}

.iccid-stat span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
}

.iccid-stat strong {
  display: block;
  min-width: 0;
  margin-top: 3px;
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-panel {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 18px 12px;
  color: var(--muted);
  text-align: center;
}

.empty-panel strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.empty-panel span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
}

.state-panel {
  display: grid;
  gap: 12px;
  padding: 14px 10px;
}

.state-lead {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.state-lead strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.state-lead span:not(.state-dot) {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.state-dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 999px;
  background: #98a2b3;
  box-shadow: 0 0 0 4px rgba(152, 162, 179, 0.16);
}

.state-dot.good {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(8, 127, 91, 0.14);
}

.state-dot.warn {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(168, 91, 0, 0.14);
}

.state-dot.bad {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.14);
}

.state-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.state-fact {
  min-width: 0;
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-soft);
}

.state-fact span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
}

.state-fact strong {
  display: block;
  min-width: 0;
  margin-top: 3px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.diagnostic-panel {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid var(--red-soft);
  border-radius: 8px;
  background: #fffafa;
}

.diagnostic-panel h3 {
  margin: 0;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.diagnostic-row {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.diagnostic-row span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
}

.diagnostic-row strong {
  min-width: 0;
  color: var(--ink);
  font-size: 11px;
  font-weight: 850;
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (min-width: 720px) {
  body {
    padding: 24px 0;
  }

  .app-shell {
    min-height: auto;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
  }
}

@media (max-width: 320px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .field-value {
    text-align: left;
  }
}