/* Copyright (c) 2026 Jabek LLC. All rights reserved. */

:root {
  color-scheme: light;
  --ink: #122127;
  --muted: #56686e;
  --brand: #176d71;
  --brand-dark: #0d4d52;
  --brand-soft: #dff3ef;
  --accent: #c76525;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-alt: #edf3f2;
  --line: #d4dfdd;
  --success: #147349;
  --warning: #9a5a15;
  --danger: #a42f36;
  --shadow: 0 12px 34px rgba(14, 34, 40, .08);
  --logo-filter: none;
  --radius: 1.15rem;
  --content: 76rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eef7f5;
  --muted: #aabfbd;
  --brand: #75c9c0;
  --brand-dark: #99ded5;
  --brand-soft: #183c3e;
  --accent: #f2a36c;
  --surface: #0e171a;
  --surface-raised: #162326;
  --surface-alt: #101c1f;
  --line: #304347;
  --success: #68c995;
  --warning: #f0b66a;
  --danger: #ff9299;
  --shadow: 0 14px 38px rgba(0, 0, 0, .25);
  --logo-filter: brightness(0) invert(1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background: var(--surface-alt);
  font: 1rem/1.55 "Segoe UI", Inter, system-ui, sans-serif;
}
a { color: var(--brand-dark); text-underline-offset: .18em; }
button, select { font: inherit; }
button, .button, select { min-height: 2.75rem; }
:focus-visible { outline: 3px solid #f0a15d; outline-offset: 3px; border-radius: .35rem; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  color: #fff;
  background: #101a1e;
  border-radius: .65rem;
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

.companion-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4.5rem;
  padding: .7rem max(1rem, calc((100vw - var(--content)) / 2));
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; min-height: 2.75rem; }
.brand img { width: 10.5rem; height: auto; filter: var(--logo-filter); }
.product-label {
  padding-left: 1rem;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 700;
  border-left: 1px solid var(--line);
}
.header-actions { display: flex; align-items: center; gap: .4rem; margin-left: auto; }
.icon-button, .text-button {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: .7rem;
  cursor: pointer;
}
.icon-button { width: 2.75rem; padding: 0; font-size: 1.2rem; }
.text-button { padding: .55rem .85rem; font-weight: 700; }

.companion-shell { width: min(calc(100% - 2rem), var(--content)); min-height: calc(100vh - 9rem); margin-inline: auto; padding-block: 2rem 4rem; }
.center-state {
  display: grid;
  justify-items: center;
  max-width: 43rem;
  min-height: 32rem;
  margin: 2rem auto;
  padding: clamp(2rem, 7vw, 4.5rem);
  text-align: center;
  align-content: center;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + .35rem);
  box-shadow: var(--shadow);
}
.center-state h1 { max-width: 18ch; margin: 0 0 1rem; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.08; }
.center-state p { max-width: 38rem; margin: 0 0 1.5rem; color: var(--muted); }
.hero-mark { display: grid; place-items: center; width: 4.5rem; height: 4.5rem; margin-bottom: 1.3rem; color: #fff; font-weight: 850; letter-spacing: -.08em; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); border-radius: 1.2rem; box-shadow: var(--shadow); }
.eyebrow { margin: 0 0 .4rem !important; color: var(--accent) !important; font-size: .76rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.spinner { width: 2.5rem; height: 2.5rem; margin-bottom: 1.3rem; border: 4px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .72rem 1rem;
  font-weight: 760;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: .72rem;
  cursor: pointer;
}
.button.primary { color: #fff; background: var(--brand); }
.button.secondary { color: var(--ink); background: var(--surface-raised); border-color: var(--line); }
.action-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; }
.status-message.error { color: var(--danger); }

.welcome-panel {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.4rem, 4vw, 2.3rem);
  color: #fff;
  background: radial-gradient(circle at 90% 0, rgba(117, 201, 192, .3), transparent 24rem), linear-gradient(135deg, #0e1d22, #153b40 62%, #0f2d32);
  border-radius: calc(var(--radius) + .25rem);
  box-shadow: var(--shadow);
}
.welcome-panel h1 { margin: 0 0 .55rem; color: #fff; font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.05; }
.welcome-panel .eyebrow { color: #8ed4cb !important; }
.snapshot-detail { margin: 0; color: rgba(255,255,255,.75); }
.profile-picker { display: grid; flex: 0 0 min(22rem, 42%); gap: .4rem; color: rgba(255,255,255,.76); font-size: .82rem; font-weight: 750; }
.profile-picker select { width: 100%; padding: .65rem .8rem; color: var(--ink); background: var(--surface-raised); border: 1px solid var(--line); border-radius: .7rem; }

.freshness-banner { margin-top: 1rem; padding: .9rem 1rem; color: var(--warning); background: color-mix(in srgb, var(--warning) 12%, var(--surface-raised)); border: 1px solid color-mix(in srgb, var(--warning) 36%, var(--line)); border-radius: .8rem; }
.section-nav { display: flex; gap: .4rem; margin: 1rem 0 0; padding: .45rem; overflow-x: auto; background: var(--surface-raised); border: 1px solid var(--line); border-radius: .85rem; }
.section-nav a { flex: 1 0 auto; min-height: 2.75rem; padding: .62rem .85rem; color: var(--ink); font-weight: 720; text-align: center; text-decoration: none; border-radius: .6rem; }
.section-nav a:hover { color: var(--brand-dark); background: var(--brand-soft); }

.content-section { padding-block: 2.5rem; scroll-margin-top: 5rem; }
.content-section + .content-section { border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.section-heading h2 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.12; }
.section-count, .status-badge { color: var(--muted); font-size: .84rem; font-weight: 750; }
.status-badge { padding: .35rem .65rem; color: var(--success); background: color-mix(in srgb, var(--success) 12%, var(--surface-raised)); border-radius: 999px; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; }
.metric-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metric-card, .mission-card, .maintenance-card, .trend-card, .flight-row, .progress-card {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric-card { padding: 1.15rem; }
.metric-label { display: block; margin-bottom: .25rem; color: var(--muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.metric-value { display: block; font-size: clamp(1.45rem, 4vw, 2rem); line-height: 1.15; }
.metric-detail { display: block; margin-top: .2rem; color: var(--muted); font-size: .85rem; }
.progress-card { margin-top: .8rem; padding: 1rem 1.15rem; }
.progress-copy { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .55rem; }
.progress-copy span { color: var(--muted); }
.progress-track { height: .65rem; overflow: hidden; background: var(--surface-alt); border-radius: 999px; }
.progress-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--brand), #40a89e); border-radius: inherit; transition: width .3s ease; }
.proficiency-note { margin: .75rem 0 0; color: var(--warning); font-size: .9rem; }

.card-list { display: grid; gap: .85rem; }
.mission-card, .maintenance-card { padding: 1.2rem; }
.card-topline { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.card-topline h3 { margin: 0; font-size: 1.15rem; }
.pill { flex: 0 0 auto; padding: .28rem .55rem; color: var(--brand-dark); font-size: .74rem; font-weight: 780; background: var(--brand-soft); border-radius: 999px; }
.route { margin: .45rem 0; color: var(--ink); font-size: 1.05rem; font-weight: 750; }
.card-summary { margin: 0 0 .8rem; color: var(--muted); }
.fact-row { display: flex; flex-wrap: wrap; gap: .45rem 1.1rem; color: var(--muted); font-size: .88rem; }
.fact-row strong { color: var(--ink); }
.empty-card { padding: 1.5rem; color: var(--muted); text-align: center; background: var(--surface-raised); border: 1px dashed var(--line); border-radius: var(--radius); }

.trend-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin-block: .8rem; }
.trend-card { padding: 1rem; }
.trend-card strong { display: block; margin-top: .2rem; }
.trend-direction { color: var(--muted); font-size: .85rem; }
.trend-direction.improving { color: var(--success); }
.trend-direction.declining { color: var(--warning); }
.flight-list { display: grid; gap: .65rem; }
.flight-row { display: grid; grid-template-columns: minmax(12rem, 1.5fr) repeat(4, minmax(5.5rem, .65fr)); align-items: center; gap: .75rem; padding: .95rem 1rem; }
.flight-primary strong, .flight-stat strong { display: block; }
.flight-primary span, .flight-stat span { color: var(--muted); font-size: .78rem; }
.load-more { display: block; margin: 1rem auto 0; }

.maintenance-heading { display: flex; justify-content: space-between; gap: 1rem; }
.condition { color: var(--success); font-weight: 760; }
.condition.due { color: var(--warning); }
.condition.critical { color: var(--danger); }
.maintenance-meter { height: .55rem; margin: .8rem 0; overflow: hidden; background: var(--surface-alt); border-radius: 999px; }
.maintenance-meter span { display: block; height: 100%; background: var(--brand); border-radius: inherit; }
.maintenance-meter span.due { background: var(--warning); }
.maintenance-meter span.critical { background: var(--danger); }
.component-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .4rem .8rem; margin-top: .9rem; }
.component { display: flex; justify-content: space-between; gap: .7rem; padding-top: .45rem; color: var(--muted); font-size: .86rem; border-top: 1px solid var(--line); }

.companion-footer { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.2rem; min-height: 4.5rem; padding: 1.2rem; color: var(--muted); font-size: .85rem; background: var(--surface); border-top: 1px solid var(--line); }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #eef7f5;
    --muted: #aabfbd;
    --brand: #75c9c0;
    --brand-dark: #99ded5;
    --brand-soft: #183c3e;
    --accent: #f2a36c;
    --surface: #0e171a;
    --surface-raised: #162326;
    --surface-alt: #101c1f;
    --line: #304347;
    --success: #68c995;
    --warning: #f0b66a;
    --danger: #ff9299;
    --shadow: 0 14px 38px rgba(0, 0, 0, .25);
    --logo-filter: brightness(0) invert(1);
  }
}

@media (max-width: 52rem) {
  .metric-grid, .trend-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flight-row { grid-template-columns: 1fr 1fr; }
  .flight-primary { grid-column: 1 / -1; }
}

@media (max-width: 38rem) {
  .companion-header { gap: .6rem; }
  .brand img { width: 8.5rem; }
  .product-label { display: none; }
  .companion-shell { width: min(calc(100% - 1rem), var(--content)); padding-top: .75rem; }
  .section-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; }
  .section-nav a { min-width: 0; }
  .welcome-panel { align-items: stretch; flex-direction: column; gap: 1.2rem; }
  .profile-picker { flex-basis: auto; }
  .section-heading { align-items: start; flex-direction: column; }
  .metric-grid, .metric-grid.compact, .trend-grid, .component-list { grid-template-columns: 1fr; }
  .card-topline, .maintenance-heading { align-items: start; flex-direction: column; }
  .flight-row { grid-template-columns: 1fr 1fr; }
  .center-state { min-height: 27rem; margin-top: .75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}