:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-muted: #eef3f8;
  --line: #dbe3ee;
  --text: #162033;
  --muted: #6a7688;
  --primary: #1f6feb;
  --primary-soft: #eaf2ff;
  --success: #159a5a;
  --success-soft: #e9f8f0;
  --danger: #d94d3f;
  --danger-soft: #fff1ef;
  --warning: #ca8a04;
  --warning-soft: #fef7dd;
  --shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-sans: "Segoe UI Variable Display", "PingFang SC", "Noto Sans SC", "Microsoft YaHei UI", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fbff 0%, #f5f7fb 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

button,
input,
select {
  font: inherit;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.app-shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px;
}

.auth-card {
  width: min(560px, 100%);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.auth-brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.24), transparent 34%),
    linear-gradient(145deg, #163b78 0%, #1f6feb 52%, #63a4ff 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.brand-glyph {
  position: relative;
  width: 28px;
  height: 28px;
  display: block;
}

.brand-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #ffffff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.14);
}

.brand-orbit {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
}

.brand-orbit-a {
  transform: rotate(24deg) scaleY(0.56);
}

.brand-orbit-b {
  transform: rotate(-28deg) scaleX(0.56);
}

.brand-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.header-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.header-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.nav-bar {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.nav-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px;
}

.nav-tab {
  flex: 0 0 auto;
  padding: 11px 16px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}

.nav-tab.active {
  background: var(--text);
  color: #fff;
}

.page-shell {
  margin-top: 20px;
}

.app-footer {
  margin-top: 18px;
  padding: 12px 4px 4px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.grid {
  display: grid;
}

.gap-lg {
  gap: 20px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.split-page {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 20px;
}

.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px;
}

.side-panel {
  align-self: start;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.stack {
  display: grid;
  gap: 12px;
}

.station-stack {
  margin-top: 14px;
}

.summary-grid,
.detail-grid,
.form-grid,
.chip-grid {
  display: grid;
  gap: 14px;
}

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

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

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

.auth-grid {
  grid-template-columns: 1fr;
}

.editor-grid {
  align-items: start;
}

.manual-coords-panel {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.compact-headline {
  margin-bottom: 12px;
}

.metric-card {
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.metric-label,
.summary-label,
.detail-label,
.field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-value {
  margin-top: 10px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.metric-note,
.row-sub,
.timeline-text {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.summary-card,
.detail-card,
.summary-value,
.detail-value {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.toolbar-row,
.action-row,
.list-row,
.timeline-meta {
  display: flex;
  align-items: center;
}

.toolbar-row,
.action-row {
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-row {
  margin-bottom: 12px;
}

.auth-action-row {
  justify-content: center;
  margin-top: 16px;
}

.admin-action-row {
  margin-top: 16px;
}

.rover-action-row {
  margin-top: 16px;
}

.list-row {
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  text-align: left;
}

button.list-row {
  cursor: pointer;
}

.list-row.active {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.list-row.compact {
  padding: 12px 14px;
}

.row-main {
  min-width: 0;
}

.row-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.row-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.row-mini {
  font-size: 12px;
  color: var(--muted);
}

.button,
.input {
  border: 1px solid var(--line);
  border-radius: 12px;
}

.button {
  padding: 11px 14px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.button.small {
  padding: 9px 12px;
  font-size: 13px;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.button.danger {
  color: var(--danger);
  border-color: #f1c8c1;
  background: #fff7f6;
}

.button[data-active="true"] {
  background: var(--text);
  border-color: var(--text);
  color: #fff;
}

.input {
  width: 100%;
  padding: 11px 12px;
  background: var(--surface);
  color: var(--text);
}

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: 1 / -1;
}

.field-grow {
  flex: 1 1 320px;
}

.rover-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.rover-card {
  padding: 18px;
}

.compact-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.compact-head h4 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.03em;
}

.mono {
  font-family: var(--font-mono);
}

.status-pill,
.log-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-pill.online {
  background: var(--success-soft);
  color: var(--success);
}

.status-pill.offline {
  background: var(--danger-soft);
  color: var(--danger);
}

.log-badge.INFO {
  background: var(--primary-soft);
  color: var(--primary);
}

.log-badge.WARN {
  background: var(--warning-soft);
  color: var(--warning);
}

.log-badge.ERROR,
.log-badge.FATAL {
  background: var(--danger-soft);
  color: var(--danger);
}

.timeline {
  display: grid;
  gap: 12px;
}

.log-row {
  padding: 14px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.log-row.WARN {
  border-color: #f0d88c;
}

.log-row.ERROR,
.log-row.FATAL {
  border-color: #efb2a9;
  background: #fff8f7;
}

.timeline-meta {
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.map-wrap {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.station-map {
  width: 100%;
  height: 380px;
  display: block;
}

.map-empty-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.empty-state {
  padding: 32px 20px;
  border: 1px dashed var(--line);
  border-radius: 16px;
  text-align: center;
  color: var(--muted);
  background: var(--surface-soft);
}

.empty-state.small {
  padding: 20px 16px;
}

.copy-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.94);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .metric-grid,
  .content-grid,
  .split-page,
  .summary-grid,
  .detail-grid,
  .form-grid,
  .chip-grid,
  .rover-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .auth-shell,
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .surface {
    padding: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions,
  .toolbar-row,
  .action-row,
  .section-head {
    width: 100%;
  }

  .section-head {
    flex-direction: column;
  }

  .row-side,
  .header-actions {
    justify-content: flex-start;
  }

  .copy-toast {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}