:root {
  color-scheme: light;
  --ink: #162024;
  --muted: #627179;
  --line: #d8e2e5;
  --panel: #ffffff;
  --page: #edf3f5;
  --accent: #0d6b73;
  --accent-2: #b15f15;
  --good: #24714d;
  --bad: #9a3430;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  min-height: 38px;
  padding: 0 14px;
  cursor: pointer;
}

button:hover {
  background: #09555c;
}

input,
select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 7px 9px;
  color: var(--ink);
}

label span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 240px;
  background: #172328;
  color: #f4fbfc;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

.brand span {
  display: block;
  color: #aebdc2;
  font-size: 13px;
}

.mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: #e7a843;
  color: #172328;
  font-weight: 900;
}

nav {
  display: grid;
  gap: 4px;
}

nav a,
.reset button {
  display: block;
  width: 100%;
  min-height: 34px;
  border-radius: 6px;
  padding: 8px 10px;
  color: #d9e6e9;
  text-decoration: none;
  background: transparent;
  text-align: left;
}

nav a:hover,
nav a.active,
.reset button:hover {
  background: #24363d;
}

.reset {
  margin-top: auto;
}

main {
  margin-left: 240px;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.topbar,
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
}

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

h1 {
  font-size: 32px;
  line-height: 1.05;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 15px;
  margin-bottom: 12px;
}

.eyebrow,
.date {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.advance {
  display: grid;
  grid-template-columns: 96px auto;
  gap: 8px;
  align-items: end;
}

.notice {
  border-left: 4px solid var(--accent-2);
  background: #fff8ed;
  padding: 12px 14px;
  border-radius: 6px;
}

.notice.danger {
  border-left-color: var(--bad);
  background: #fff1f0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 10px 28px rgba(28, 43, 48, 0.06);
}

.stats,
.airport-grid,
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.stat,
.subpanel,
.airport-card,
.module-grid article,
.results article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
  padding: 13px;
}

.stat span,
.stat small,
.airport-card small,
.fleet-row span,
.results small,
.module-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.stat strong {
  display: block;
  margin: 6px 0;
  font-size: 22px;
}

.grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

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

.barrow,
.kv,
.fleet-row {
  display: grid;
  grid-template-columns: 120px 1fr 44px;
  gap: 9px;
  align-items: center;
  min-height: 32px;
  border-top: 1px solid #edf2f3;
  padding: 8px 0;
}

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

.kv small {
  display: block;
  color: var(--muted);
}

.barrow div {
  height: 8px;
  border-radius: 99px;
  background: #dfe8eb;
  overflow: hidden;
}

.barrow i {
  display: block;
  height: 100%;
  background: var(--accent);
}

.search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 14px;
}

.results {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.mapwrap {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.map-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 12px;
  margin-top: 14px;
}

.map-layout .mapwrap {
  margin-top: 0;
}

.finder-search {
  max-width: 420px;
}

.finder-layout {
  grid-template-columns: minmax(0, 1fr) 340px;
}

.map-info {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
  padding: 14px;
  align-self: stretch;
}

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

.map-info strong {
  display: block;
  margin: 7px 0;
}

.map-info p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

svg {
  display: block;
  width: 100%;
  min-height: 260px;
}

svg text {
  font-size: 12px;
  font-weight: 800;
  fill: #34454b;
}

.airport {
  fill: #0d6b73;
}

.hub {
  fill: #b15f15;
}

.route-line {
  stroke: #b15f15;
  stroke-width: 2.5;
  stroke-linecap: round;
}

.candidate-line {
  stroke: rgba(13, 107, 115, .42);
  stroke-width: 1.5;
}

.candidate-line.blocked {
  stroke: rgba(159, 57, 57, .28);
  stroke-dasharray: 5 6;
}

.candidate-dot {
  fill: #0d6b73;
  stroke: #f8fbfb;
  stroke-width: 1.5;
}

.candidate-dot.blocked {
  fill: #9f3939;
}

.map-click {
  cursor: pointer;
}

.map-click.selected {
  stroke: #111;
  stroke-width: 4;
}

.flight-marker circle {
  fill: #e7a843;
  stroke: #172328;
  stroke-width: 2;
}

.flight-marker text {
  font-size: 11px;
  fill: #172328;
}

.airport-card strong,
.module-grid strong,
.results strong {
  display: block;
  margin-bottom: 4px;
}

.stack,
.planner {
  display: grid;
  gap: 10px;
}

.planner {
  grid-template-columns: repeat(4, minmax(120px, 1fr)) auto;
  align-items: end;
  margin-top: 14px;
}

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

.finance-strip div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fbfdfd;
}

.finance-strip span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.finance-strip strong {
  display: block;
  margin-top: 5px;
}

.finance-form {
  grid-template-columns: repeat(2, minmax(120px, 1fr)) auto;
}

.table-scroll {
  overflow-x: auto;
  margin-top: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 9px;
  text-align: left;
  white-space: nowrap;
}

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

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

.module-grid p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.module-grid span {
  color: var(--accent-2);
  font-weight: 800;
  text-transform: uppercase;
}

.demand-panel {
  margin-top: 12px;
}

.segment-grid {
  display: grid;
  gap: 10px;
}

.segment-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.segment-grid span,
.segment-grid small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.aircraft-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.aircraft-gallery article {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.aircraft-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  background: #edf3f5;
}

.aircraft-gallery strong,
.aircraft-gallery span {
  display: block;
  padding: 0 12px;
}

.aircraft-gallery strong {
  padding-top: 10px;
}

.aircraft-gallery span {
  padding-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.settings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #172328;
}

.auth-shell {
  width: min(960px, calc(100vw - 32px));
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  border: 1px solid #31464e;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.auth-hero {
  min-height: 460px;
  padding: 42px;
  display: grid;
  align-content: end;
  gap: 14px;
  color: #fff;
  background:
    linear-gradient(rgba(18, 32, 37, 0.28), rgba(18, 32, 37, 0.88)),
    url("https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1200&q=80") center/cover;
}

.auth-hero .mark {
  width: 54px;
  height: 54px;
}

.auth-hero h1 {
  font-size: 44px;
}

.auth-hero p {
  max-width: 520px;
  color: #d9e6e9;
  line-height: 1.55;
}

.auth-card {
  padding: 42px;
  align-self: center;
}

.step {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid #edf2f3;
}

.step b {
  padding: 4px 7px;
  border-radius: 6px;
  background: #eef4f6;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

.step.done b {
  background: #e3f3ea;
  color: var(--good);
}

.result-line {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid #edf2f3;
}

.result-line span {
  color: var(--muted);
}

.live-flight {
  display: grid;
  gap: 5px;
  padding: 10px 0;
  border-top: 1px solid #edf2f3;
}

.live-flight span {
  color: var(--muted);
  font-size: 13px;
}

.live-flight div {
  height: 7px;
  border-radius: 99px;
  background: #dfe8eb;
  overflow: hidden;
}

.live-flight i {
  display: block;
  height: 100%;
  background: var(--accent-2);
}

.reset-inline {
  margin-top: 16px;
}

@media (max-width: 980px) {
  .sidebar {
    position: static;
    width: auto;
  }

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

  main {
    margin-left: 0;
    padding: 14px;
  }

  .stats,
  .airport-grid,
  .module-grid,
  .results,
  .settings,
  .segment-grid,
  .aircraft-gallery,
  .finance-strip,
  .two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .topbar,
  .section-head {
    display: grid;
    align-items: start;
  }

  .advance,
  .search,
  .map-layout,
  .stats,
  .airport-grid,
  .module-grid,
  .results,
  .settings,
  .segment-grid,
  .aircraft-gallery,
  .finance-strip,
  .two,
  .planner {
    grid-template-columns: 1fr;
  }

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

  h1 {
    font-size: 25px;
  }

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

  .auth-hero {
    min-height: 300px;
  }
}