/* Variables */
:root {
  --atlas-blue: #0078a1;
  --atlas-cyan: #0099cc;
  --ink: #1b2b34;
  --muted: #667985;
  --line: #d8e1e6;
  --panel: #f7f9fa;
  --soft-blue: #eef8fb;
  --yellow: #ffc400;
  --green: #2f855a;
  --red: #b83232;
  --orange: #b7791f;
  --white: #fff;
  --core-bg: #ddf0f7;
  --core-border: #9ccfe0;
}

/* Core styles */

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  font-family: "Source Sans Pro", "Segoe UI", Arial, sans-serif;
  background: var(--white);

  padding: 20px;
}

a {
  text-decoration: none;
}


a:hover {
  color: var(--atlas-cyan);
}

.main-header, .content {  
  max-width: 1200px;
  margin: auto;
}

/* Header section */

.main-header {
  display: flex;
  margin-top: 0.8rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.main-title {
  margin: 0;
  color: var(--ink);
  font-size: 2rem;
  font-weight: 500;
}

.main-title-link {
  align-self: baseline;
  flex: 1;
  min-width: calc(100% - 100px - 2rem);
}

.logo {
  background-image: url("img/logo.d96cc04b.svg");
  background-repeat: no-repeat;
  background-position: center center;
  width: 100px;
  height: 48px;
  margin-left: 1rem;
  margin-right: 1rem;
}

.nav-links {
  color: rgb(127, 127, 127);
  font-weight: 600;
  margin-left: 1rem;
  margin-right: 1rem;
  align-self: baseline;
  margin-top: 0.8rem;
}



@media (min-width: 576px) {
  .main-title-link {
    min-width: 350px;
  }
}

/* Main content */

button, input { font: inherit; }
button {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  min-height: 36px;
  padding: 7px 11px;
  cursor: pointer;
}
button:hover { border-color: var(--atlas-blue); }
a { color: var(--atlas-blue); }



h1 { margin: 0 0 3px; color: var(--atlas-blue); font-size: 32px; font-weight: 400; }
h2 { margin: 0 0 8px; font-size: 20px; font-weight: 700; }
p  { margin-top: 0; }

.ecosystem-overview {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: start;
  margin: -1px -1px -1px -1px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 7px solid var(--atlas-blue);
  background: var(--panel);
}

.ecosystem-overview h2 {
  margin: 0 0 6px;
  color: var(--atlas-blue);
  font-size: 22px;
}

.release-info {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
}
.release-info strong { color: var(--ink); }

.ecosystem-shortdesc {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.ecosystem-products {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px;
  background: var(--panel);
}

.product-group {
  display: flex;
  flex-direction: column;
  gap: 0;
  grid-column: 2;
  padding: 0 0 0 0;
  background: var(--core-bg);
  border: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(0, 120, 161, 0.12);
  z-index: 1;
  position: relative;
}

.product-group-title {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.product-group.is-collapsed .product-list {
  max-height: 0;
  /* opacity: 0; */
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}

.product-group-left  { grid-column: 1; display: flex; flex-direction: column; gap: 12px; }
.product-group-center { grid-column: 2; display: flex; flex-direction: column; gap: 12px; }
.product-group-right { grid-column: 3; display: flex; flex-direction: column; gap: 12px; }

.product-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  /* TODO: double section frame?: */
  border: 1px solid var(--line);

  max-height: 1000px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.22s ease, opacity 0.18s ease, padding 0.22s ease;
}

.product:hover { 
  outline: 1px solid var(--atlas-cyan);
  outline-offset: -1px;
}

.product-version {
  grid-row: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--atlas-blue);
  background: var(--soft-blue);
  border: 1px solid #c9e9f2;
  padding: 2px 6px;
  white-space: nowrap;
  justify-self: end;

  border-radius: 7px;
}

.product-status {
  grid-column: 2; grid-row: 2;
  font-size: 10px;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
  justify-self: end;
}
.product-status.validated  { color: var(--green); }
.product-status.compatible { color: var(--atlas-blue); }
.product-status.blocked    { color: var(--red); }
.product-status.unvalidated{ color: var(--orange); }

.product-group-title {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  /* background: var(--panel); */
  background: var(--line);
  /* border: 1px solid var(--line); */
  /* border-bottom: 2px solid var(--line); */
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  min-height: auto;
  transition: border-color 0.12s;

  height: 36px;
}
.eco-family-header:hover { border-color: var(--atlas-blue); }
.eco-family-header:focus { outline: 2px solid var(--atlas-cyan); outline-offset: -2px; }

.product-group-core .eco-family-header { background: var(--core-bg); border-color: var(--core-border); }

@media (max-width: 960px) {
  .ecosystem-products {
    grid-template-columns: 1fr 200px 1fr;
    gap: 8px;
  }
}

@media (max-width: 760px) {
  .ecosystem-products {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .product-group-left-stack > .product-group,
  .product-group-right-stack > .product-group {
    border: none !important;
    border-bottom: 2px solid var(--line) !important;
    padding: 0 0 12px !important;
  }
  .product-group-core {
    border: 1px solid var(--core-border);
    border-top: 4px solid var(--atlas-blue);
  }
  .eco-ecosystem-overview {
    grid-template-columns: 1fr;
  }
  .eco-limitations {
    max-width: 100%;
  }
  .app-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }
  .header-links { justify-content: flex-start; }
}

.ecosystem-container {
  margin-bottom: 20px;
  border: 1px solid var(--line);
}

.ecosystem-container.is-collapsed .ecosystem-products {
  display: none;
}

/* Restyle core product group title: */
.core-container > .product-group-title {
  background: var(--atlas-blue);
  color: var(--white);
  cursor: default;
}

/* Rotate arrow icon when collapsed: */
.product-group.is-collapsed > .product-group-title .material-symbols-outlined {
  transform: rotate(180deg);
}

/* Selected product highlighting: */
.product.selected {
  background-color: #c8e8d3;
  border-left: 5px solid #1f7f4f;
}

.product.selected > .product-name {
  color: #1f7f4f;
}


/* Core backdrop styling: */
.core-container > .product-list {
  background: var(--atlas-blue);
  /* padding: 15px; */
  padding: 0px 15px 15px;
  gap: 15px;
  border: 0px;
}
.core-container > .product-group-title > .material-symbols-outlined {
  visibility: hidden;
}
.core-container > .product-group-title {
  padding-left: 15px;
}

/* Restructured product and compatibility rows: */
.prod {
  display: flex;
  flex-direction: column;

  padding: 7px 9px;
  background: var(--white);
  gap: 5px;
}
.prod-row,
.comp-row {
  display: flex;
  justify-content: space-between;
  /* align-items: center; */
  /* margin-top: 3px; */
  gap: 5px;
}
.prod-name,
.comp-name {
  display: flex;
  margin-top: 3px;
}
.comp-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
  min-width: 0;
  max-width: 100%;
}
.prod-name,
.comp-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.comp-name {
  color: #1f7f4f;
}
/* Style compatibility versions green: */
.comp-container .product-version {
  color: #1f7f4f; 
  background: #eef9f2; 
  border: 1px solid #c8e8d3; 
}
.prod:hover { 
  outline: 1px solid var(--atlas-cyan);
  outline-offset: -1px;
}

/* Hide compatibility rows: */
.comp-row { display: none; }

/* Only for the previous ecosystems page: */
/* .ecosystem-overview { cursor: pointer; } */

/* Style version to resemble a button when a link (internal only): */
a .product-version {
  box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
}