/* openXplane website - Material Design 2 look */
:root {
  --primary: #1e78d6; --primary-dark: #0b4fa8; --on-primary: #fff;
  --surface: #ffffff; --background: #f5f6f8;
  --on-surface: rgba(0, 0, 0, .87); --secondary-text: rgba(0, 0, 0, .6);
  --divider: rgba(0, 0, 0, .12); --code-bg: #f0f2f5;
  --warning-bg: #fff4e5; --warning-fg: #8a4b0f;
  --hover: rgba(0, 0, 0, .05); --selected: rgba(30, 120, 214, .12);
  --link: #1565c0; --appbar: #ffffff; --appbar-fg: rgba(0, 0, 0, .87); --appbar-border: rgba(0, 0, 0, .12);
  --hero-bg: linear-gradient(160deg, #ffffff 0%, #e6edf6 100%);
  --hero-fg: rgba(0, 0, 0, .87); --hero-sub: rgba(0, 0, 0, .7);
  --chip-bg: rgba(0, 0, 0, .06); --outline: rgba(0, 0, 0, .3);
  --logo-on-dark: none; --logo-on-light: block; --drawer-w: 264px;
  --ok: #1a7f45; --part: #a45d00;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface: #24272c; --background: #181a1e;
    --on-surface: rgba(255, 255, 255, .87); --secondary-text: rgba(255, 255, 255, .64);
    --divider: rgba(255, 255, 255, .12); --code-bg: #2d3138;
    --warning-bg: #3a2a18; --warning-fg: #ffc48f;
    --hover: rgba(255, 255, 255, .06); --selected: rgba(90, 165, 240, .18);
    --link: #6db3f5; --appbar: #1f2227; --appbar-fg: #fff; --appbar-border: transparent;
    --hero-bg: linear-gradient(160deg, #2a3039 0%, #14161a 100%);
    --hero-fg: #fff; --hero-sub: rgba(255, 255, 255, .85);
    --chip-bg: rgba(255, 255, 255, .12); --outline: rgba(255, 255, 255, .5);
    --logo-on-dark: block; --logo-on-light: none; --ok: #5bd18a; --part: #ffb454;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --surface: #24272c; --background: #181a1e;
  --on-surface: rgba(255, 255, 255, .87); --secondary-text: rgba(255, 255, 255, .64);
  --divider: rgba(255, 255, 255, .12); --code-bg: #2d3138;
  --warning-bg: #3a2a18; --warning-fg: #ffc48f;
  --hover: rgba(255, 255, 255, .06); --selected: rgba(90, 165, 240, .18);
  --link: #6db3f5; --appbar: #1f2227; --appbar-fg: #fff; --appbar-border: transparent;
  --hero-bg: linear-gradient(160deg, #2a3039 0%, #14161a 100%);
  --hero-fg: #fff; --hero-sub: rgba(255, 255, 255, .85);
  --chip-bg: rgba(255, 255, 255, .12); --outline: rgba(255, 255, 255, .5);
  --logo-on-dark: block; --logo-on-light: none; --ok: #5bd18a; --part: #ffb454;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body { margin: 0; font: 400 16px/1.6 Roboto, system-ui, sans-serif; color: var(--on-surface);
  background: var(--background); -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration: none; } a:hover { text-decoration: underline; }
code, pre { font-family: "Roboto Mono", ui-monospace, monospace; font-size: .88em; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
pre { background: var(--code-bg); padding: 14px 16px; border-radius: 4px; overflow-x: auto; line-height: 1.45; }
pre code { background: none; padding: 0; }
img { max-width: 100%; height: auto; }
.logo-on-dark { display: var(--logo-on-dark) !important; }
.logo-on-light { display: var(--logo-on-light) !important; }
.material-icons { font-size: 24px; line-height: 1; vertical-align: middle; }
.elevation-1 { box-shadow: 0 2px 1px -1px rgba(0,0,0,.2), 0 1px 1px 0 rgba(0,0,0,.14), 0 1px 3px 0 rgba(0,0,0,.12); }
.elevation-2 { box-shadow: 0 3px 1px -2px rgba(0,0,0,.2), 0 2px 2px 0 rgba(0,0,0,.14), 0 1px 5px 0 rgba(0,0,0,.12); }
.elevation-4 { box-shadow: 0 2px 4px -1px rgba(0,0,0,.2), 0 4px 5px 0 rgba(0,0,0,.14), 0 1px 10px 0 rgba(0,0,0,.12); }

.appbar { position: fixed; inset: 0 0 auto 0; height: 56px; z-index: 30; display: flex;
  align-items: center; gap: 4px; padding: 0 8px; background: var(--appbar); color: var(--appbar-fg);
  border-bottom: 1px solid var(--appbar-border); }
.brand { display: flex; align-items: center; margin-left: 4px; } .brand img { height: 34px; width: auto; }
.spacer { flex: 1; }
.icon-btn { width: 44px; height: 44px; border: 0; border-radius: 50%; background: none; color: inherit;
  cursor: pointer; display: grid; place-items: center; }
.icon-btn:hover { background: var(--hover); text-decoration: none; }

.drawer { position: fixed; top: 56px; bottom: 0; left: 0; width: var(--drawer-w); z-index: 20;
  overflow-y: auto; padding: 8px 0; background: var(--surface); border-right: 1px solid var(--divider); }
.drawer a { display: flex; align-items: center; gap: 16px; padding: 10px 24px; color: var(--on-surface);
  font-weight: 500; font-size: .95rem; }
.drawer a .material-icons { color: var(--secondary-text); }
.drawer a:hover { background: var(--hover); text-decoration: none; }
.drawer a.active { background: var(--selected); color: var(--link); }
.drawer a.active .material-icons { color: var(--link); }
.drawer-subheader { padding: 16px 24px 4px; color: var(--secondary-text); font-size: .78rem;
  font-weight: 500; text-transform: uppercase; letter-spacing: .08em; }
.scrim { display: none; }

main { margin: 56px 0 0 var(--drawer-w); min-height: calc(100vh - 56px); }
#view > article, #view > .content, #view > p, #view > h1 { max-width: 880px; }
article, .content { padding: 24px 32px; }
.hero + .content { padding-top: 8px; }
article { background: var(--surface); margin: 24px 32px; padding: 8px 32px 24px; border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,.12); }
h1 { font-size: 2.1rem; line-height: 1.2; font-weight: 500; }
h2 { margin-top: 1.8em; padding-bottom: .25em; border-bottom: 1px solid var(--divider); font-weight: 500; }
.section-title { border: 0; font-size: 1.7rem; margin-top: 1.2em; }
.lead { font-size: 1.08rem; color: var(--secondary-text); }
table { border-collapse: collapse; width: 100%; margin: 1em 0; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--divider); padding: 8px 12px; text-align: left; vertical-align: top; }
th { background: var(--code-bg); }
blockquote { margin: 1em 0; padding: .2em 1em; border-left: 4px solid var(--primary); background: var(--code-bg); }

.hero { padding: 48px 32px 40px; background: var(--hero-bg); color: var(--hero-fg);
  border-bottom: 1px solid var(--divider); }
.hero-logo { height: 96px; width: auto; margin: 0 0 8px; }
.hero-text { font-size: 1.3rem; color: var(--hero-sub); max-width: 700px; margin: 12px 0 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 20px;
  border-radius: 4px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase;
  font-size: .875rem; }
.btn:hover { text-decoration: none; }
.btn-contained { background: var(--primary); color: var(--on-primary);
  box-shadow: 0 3px 1px -2px rgba(0,0,0,.2), 0 2px 2px 0 rgba(0,0,0,.14), 0 1px 5px 0 rgba(0,0,0,.12); }
.btn-contained:hover { background: var(--primary-dark); }
.btn-outlined { border: 1px solid var(--outline); color: var(--hero-fg); }
.btn-outlined:hover { background: var(--hover); }
.btn .material-icons { font-size: 20px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  margin: 0 8px 8px 0; border-radius: 16px; background: var(--chip-bg); font-size: .875rem; }
.chip .material-icons { font-size: 18px; }
.chip-warn { background: var(--warning-bg); color: var(--warning-fg); }

.card { background: var(--surface); border-radius: 4px; padding: 16px 20px; }
.card h3 { margin: .2em 0 .3em; font-weight: 500; } .card p { margin: 0; color: var(--secondary-text); }
.card-icon { color: var(--primary); font-size: 32px; }
.card-warning { display: flex; gap: 16px; align-items: flex-start; background: var(--warning-bg);
  color: var(--warning-fg); margin: 16px 0; }
.card-warning p { color: inherit; } .card-warning .card-icon { color: inherit; }
.shot { margin: 24px 0; background: var(--surface); border-radius: 4px; overflow: hidden; }
.shot img { display: block; width: 100%; }
.shot figcaption { padding: 10px 16px; color: var(--secondary-text); font-size: .875rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 24px 0; }

.badge { display: inline-block; padding: 1px 10px; border-radius: 12px; font-size: .78rem; font-weight: 500;
  border: 1px solid currentColor; white-space: nowrap; }
.badge.done { color: var(--ok); } .badge.part { color: var(--part); } .badge.todo { color: var(--secondary-text); }
.status td:first-child { white-space: normal; min-width: 220px; max-width: 460px; font-weight: 500; }
.milestones li { margin: .5em 0; }
.footer { margin: 48px 32px 0; padding: 20px 0 32px; border-top: 1px solid var(--divider);
  color: var(--secondary-text); font-size: .85rem; }

@media (max-width: 900px) {
  main { margin-left: 0; }
  .drawer { transform: translateX(-100%); transition: transform .2s; box-shadow: 4px 0 20px rgba(0,0,0,.3); }
  body.drawer-open .drawer { transform: none; }
  body.drawer-open .scrim { display: block; position: fixed; inset: 56px 0 0 0; z-index: 19; background: rgba(0,0,0,.4); }
  .hero { padding: 32px 16px; } .hero-logo { height: 72px; }
  article, .content { padding: 16px; } article { margin: 12px 8px; padding: 4px 16px 16px; }
  .footer { margin: 32px 16px 0; }
}

.status td.num { text-align: right; }
.bar { width: 120px; height: 8px; border-radius: 4px; background: var(--chip-bg); overflow: hidden; display: inline-block; vertical-align: middle; margin-right: 8px; }
.bar span { display: block; height: 100%; }
.bar .impl { background: var(--primary); }
.bar .ver { background: var(--ok); }
.note { color: var(--secondary-text); font-size: .85rem; font-weight: 400; margin-top: 2px; }
.status small { color: var(--secondary-text); }
.milestones li { margin: .8em 0; }

/* gallery */
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 16px 0 8px; }
.thumbs figure, .anims figure { margin: 0; background: var(--surface); border-radius: 4px; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.thumbs img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; cursor: zoom-in;
  transition: transform .15s; }
.thumbs img:hover { transform: scale(1.03); }
.thumbs figcaption, .anims figcaption { padding: 8px 12px; font-size: .85rem; color: var(--secondary-text); }
.anims { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; margin: 16px 0; }
.anims img { display: block; width: 100%; }
.lightbox { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.88); display: flex;
  align-items: center; justify-content: center; }
.lightbox figure { margin: 0; max-width: 92vw; max-height: 92vh; text-align: center; color: #fff; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: 4px; }
.lightbox figcaption { margin-top: 10px; font-size: .95rem; }
.lightbox .icon-btn { position: absolute; color: #fff; background: rgba(255,255,255,.12); }
.lb-close { top: 16px; right: 16px; } .lb-prev { left: 16px; top: 50%; } .lb-next { right: 16px; top: 50%; }

/* the hidden attribute must win over display rules such as .icon-btn and .lightbox */
[hidden] { display: none !important; }

.steps { margin: 12px 0 28px; padding-left: 1.4em; line-height: 1.6; }
.steps li { margin: 6px 0; }