:root {
  color-scheme: light;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --ink: #17213c;
  --muted: #647084;
  --navy: #17245d;
  --navy-2: #223475;
  --accent: #213474;
  --gold: #e2ad22;
  --line: #e2e6ec;
  --shadow: 0 8px 24px rgba(22, 34, 72, 0.07);
  --radius: 14px;
  --green: #10b981;
  --yellow: #f59e0b;
  --orange: #e07a24;
  --red: #ef4444;
  --gray: #94a3b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.page-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 12px 18px 36px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 6px 18px;
  flex-wrap: wrap;
  background: #fff;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

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

.brand-logo {
  width: 102px;
  height: auto;
  display: block;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.1;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.header-status-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  min-width: 0;
}

.header-status-label {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-status-item strong {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero,
.tracker-panel,
.metric-card,
.aircraft-card,
.message-card,
.status-card,
.priority-board,
.focus-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.maintenance-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.8fr);
  gap: 20px;
  padding: 24px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.hero-badges span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.subtitle,
.panel-note,
.status-card span,
.metric-card span,
.footer-note {
  color: var(--muted);
}

.status-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.hero-status-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
}

.hero-logo {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.hero-status-copy p:last-of-type,
.hero-status-copy span {
  margin-bottom: 0;
}

.status-card strong {
  display: block;
  font-size: 1.4rem;
  margin: 6px 0;
}

.view-tabs {
  display: inline-flex;
  gap: 8px;
  margin: 0;
  padding: 2px;
  border: 1px solid #d9e0ea;
  border-radius: 999px;
  background: #f7f9fc;
}

.view-tab {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  line-height: 1.1;
}

.view-tab.active {
  background: var(--navy);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.metric-card {
  position: relative;
  overflow: hidden;
  padding: 18px;
}

.metric-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--gold);
  content: "";
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.35rem;
}

.tracker-panel {
  padding: 18px;
  margin-bottom: 20px;
  overflow: hidden;
}

.priority-board {
  padding: 20px;
  margin-bottom: 20px;
}

.priority-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.priority-header h2 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.focus-card {
  padding: 18px;
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.98) 0%, #ffffff 100%);
}

.focus-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.focus-card strong {
  display: block;
  margin: 10px 0 8px;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1;
  color: var(--ink);
}

.focus-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.focus-danger {
  border-top: 6px solid var(--red);
}

.focus-alert {
  border-top: 6px solid var(--orange);
}

.focus-warn {
  border-top: 6px solid var(--yellow);
}

.focus-good {
  border-top: 6px solid var(--green);
}

.top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.8fr);
  gap: 18px;
  margin-bottom: 20px;
}

.panel-header {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

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

.message-card {
  padding: 14px 16px;
  background: var(--surface-2);
}

.message-card.high {
  border-left: 6px solid var(--red);
}

.message-card.medium {
  border-left: 6px solid var(--orange);
}

.message-card.neutral {
  border-left: 6px solid var(--gray);
}

.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.aircraft-card {
  padding: 18px;
  border-top-width: 10px;
  border-top-style: solid;
}

.aircraft-card.green { border-top-color: var(--green); }
.aircraft-card.yellow { border-top-color: var(--yellow); }
.aircraft-card.orange { border-top-color: var(--orange); }
.aircraft-card.red { border-top-color: var(--red); }
.aircraft-card.gray { border-top-color: var(--gray); }

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.pill {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  background: #eef2ff;
  color: var(--accent);
  font-weight: 800;
}

dl {
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 600;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tags span {
  background: #eef2ff;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
}

.detail-block {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.detail-block h4 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail-block p {
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.maintenance-list {
  display: grid;
  gap: 8px;
}

.maintenance-list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
}

.maintenance-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.lineup-panel {
  padding-bottom: 24px;
}

.lineup-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 4px 0 16px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.inspection-lineup {
  display: grid;
  gap: 12px;
}

.lineup-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 78px;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
}

.lineup-meta strong,
.lineup-value strong {
  display: block;
}

.lineup-meta span,
.lineup-value {
  color: var(--muted);
  font-size: 0.86rem;
}

.lineup-meta strong {
  font-size: 1rem;
}

.lineup-flag,
.table-flag {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff1cc;
  color: #9a6400;
  border: 1px solid #f2d487;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lineup-track {
  position: relative;
  height: 34px;
}

.lineup-zones {
  display: grid;
  grid-template-columns: 5fr 5fr 10fr 80fr;
  height: 18px;
  border-radius: 999px;
  overflow: hidden;
  background: #dbe2ea;
  margin-top: 8px;
  box-shadow: inset 0 0 0 1px rgba(23, 33, 60, 0.08);
}

.zone.red { background: rgba(239, 68, 68, 0.9); }
.zone.orange { background: rgba(224, 122, 36, 0.9); }
.zone.yellow { background: rgba(245, 158, 11, 0.9); }
.zone.green { background: rgba(16, 185, 129, 0.9); }

.lineup-marker {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.lineup-marker i {
  display: block;
  width: 18px;
  height: 34px;
  border-radius: 999px;
  background: var(--navy);
  border: 3px solid #fff;
  box-shadow: 0 6px 18px rgba(23, 36, 93, 0.28);
}

.lineup-row.red .lineup-marker i { background: var(--red); }
.lineup-row.orange .lineup-marker i { background: var(--orange); }
.lineup-row.yellow .lineup-marker i { background: var(--yellow); }
.lineup-row.green .lineup-marker i { background: var(--green); }

.footer-note {
  min-height: 24px;
  padding: 0 4px 24px;
}

.fleet-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.fleet-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: #fff;
}

.fleet-table th,
.fleet-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.fleet-table th {
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fleet-table td strong {
  display: block;
}

.fleet-table td span {
  color: var(--muted);
  font-size: 0.84rem;
}

.table-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.fleet-table td .table-flag {
  display: inline-flex;
  margin-top: 8px;
}

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

.table-status.yellow {
  color: #b7791f;
}

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

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

.table-status.gray {
  color: var(--gray);
}

@media (max-width: 840px) {
  .top-grid,
  .summary-grid,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 6px 12px;
  }

  .brand-logo {
    width: 96px;
  }

  .header-status {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    margin-left: 0;
  }

  .header-status-item {
    align-items: flex-start;
  }

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

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

  .view-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .view-tab {
    width: 100%;
    text-align: center;
  }

  .lineup-scale {
    display: none;
  }

  .lineup-row {
    grid-template-columns: 1fr;
  }

  .hero-status-card {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    width: 150px;
  }

  .tracker-panel,
  .priority-board {
    padding: 18px;
  }

  .page-shell {
    padding: 14px 12px 28px;
  }

  .summary-grid {
    gap: 12px;
  }

  .metric-card strong {
    font-size: 1.15rem;
  }
}