/* ---------------------------------------------------------------
   REEcovery Bodenproben-Karte
   Colours sampled directly from the logo:
     blue      #0068B2  (primary, "REE", accents, buttons)
     grey      #959595  (secondary text, "covery", map/state)
     midgrey   #CCCCCC  (borders, light fills)
     ink       #333333  (body text)
   Font: Arial throughout, per request.
   --------------------------------------------------------------- */

:root {
  --blue:    #0068B2;
  --blue-dk: #005291;
  --grey:    #959595;
  --midgrey: #CCCCCC;
  --palegrey:#E7E7E7;
  --ink:     #333333;
  --paper:   #FFFFFF;
  --wash:    #F4F6F8;
  --danger:  #A3402E;
  --radius:  6px;
  --font: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--wash);
}

h1 {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.15;
  color: var(--blue);
  margin: 0 0 0.6rem;
}

a { color: var(--blue); }

/* ----- header with logo upper right ----- */

.site-header {
  background: var(--paper);
  border-bottom: 3px solid var(--blue);
}

.header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--blue);
  text-decoration: none;
  order: 1;
}

.site-header nav {
  display: flex;
  gap: 1.3rem;
  order: 2;
  margin-left: auto;
  margin-right: 1.2rem;
}

.site-header nav a {
  color: var(--grey);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}
.site-header nav a:hover { color: var(--blue); }
.nav-admin { font-weight: 400; }

.logo { order: 3; }
.logo img {
  height: 52px;
  width: auto;
  display: block;
}

/* ----- layout ----- */

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.lead { max-width: 60ch; }
.hint { font-size: 0.87rem; color: var(--grey); margin: 0.3rem 0 0.6rem; }
.muted { color: var(--grey); font-size: 0.9rem; }

/* ----- map page ----- */

.page-map { max-width: 1100px; }

.map-intro { margin-bottom: 1rem; }
.map-intro p { max-width: 60ch; margin: 0 0 0.7rem; }

#map {
  height: min(72vh, 640px);
  border: 1px solid var(--midgrey);
  border-radius: var(--radius);
}

.legend { display: flex; gap: 1.2rem; font-size: 0.9rem; }
.legend-item { display: inline-flex; align-items: center; gap: 0.4rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--grey); display: inline-block; }
.dot-processing { background: var(--grey); }
.dot-analyzed { background: var(--blue); }

.popup { font-family: var(--font); }
.popup-status { margin: 0 0 0.3rem; font-weight: 700; }
.status-processing { color: var(--grey); }
.status-analyzed { color: var(--blue); }
.popup table td { padding: 1px 8px 1px 0; vertical-align: top; }
.popup table td:first-child { color: var(--grey); }
.popup .result-yes { color: var(--blue); font-weight: 700; }
.popup .result-no { color: var(--grey); }

/* ----- forms ----- */

.sample-form { max-width: 640px; }

fieldset {
  border: 1px solid var(--midgrey);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1rem 1.2rem 1.2rem;
  margin: 0 0 1.4rem;
}

legend {
  font-family: var(--font);
  font-weight: 700;
  color: var(--blue);
  padding: 0 0.4rem;
}

label { display: block; margin: 0.8rem 0 0; font-weight: 700; font-size: 0.95rem; }

input[type="text"], input[type="date"], input[type="password"], select {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-weight: 400;
  border: 1px solid var(--midgrey);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
input:focus, select:focus, button:focus, a:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}

#picker-map {
  height: 300px;
  border: 1px solid var(--midgrey);
  border-radius: var(--radius);
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }

/* ----- buttons ----- */

.btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  font: inherit;
  font-weight: 700;
  color: var(--blue);
  background: var(--paper);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--wash); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dk); }
.btn-danger { background: none; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: #F7E3DE; }
.btn-small { padding: 0.35rem 0.8rem; font-size: 0.85rem; }

/* ----- flash messages ----- */

.flashes { margin-bottom: 1.2rem; }
.flash {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}
.flash-error { background: #F7E3DE; color: var(--danger); border: 1px solid #E4BCB2; }

/* ----- admin ----- */

.admin-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }

.admin-counts { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.92rem; }
.count { padding: 0.25rem 0.7rem; border-radius: 999px; background: var(--palegrey); font-weight: 700; }
.count-submitted { background: var(--palegrey); color: var(--ink); }
.count-processing { background: #E3E3E3; color: #555; }
.count-analyzed { background: #D6E7F4; color: var(--blue-dk); }

.sample-card {
  border: 1px solid var(--midgrey);
  border-left: 5px solid var(--midgrey);
  border-radius: var(--radius);
  background: var(--paper);
  margin: 0 0 0.8rem;
}
.sample-card.status-submitted { border-left-color: var(--grey); }
.sample-card.status-processing { border-left-color: var(--grey); }
.sample-card.status-analyzed { border-left-color: var(--blue); }

.sample-card summary {
  cursor: pointer;
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  color: #fff;
}
.badge-submitted { background: var(--grey); }
.badge-processing { background: var(--grey); }
.badge-analyzed { background: var(--blue); }

.sample-body { padding: 0 1rem 1rem; }

.detail-table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
.detail-table td { padding: 0.3rem 0.8rem 0.3rem 0; vertical-align: top; border-top: 1px solid var(--palegrey); }
.detail-table td:first-child { color: var(--grey); width: 40%; }

.results-box {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  background: var(--wash);
  border: 1px solid var(--midgrey);
  border-radius: var(--radius);
}
.results-box .rb-title {
  font-weight: 700; color: var(--blue); margin-bottom: 0.4rem; display: block;
}
.results-box label { display: inline-block; margin: 0 1.2rem 0.2rem 0; font-weight: 400; }
.results-box select { display: inline-block; width: auto; margin: 0.2rem 0 0.6rem; }

.actions { display: flex; gap: 0.6rem; margin-top: 1rem; flex-wrap: wrap; align-items: flex-start; }
.actions form { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ----- REE concentration block in popup + admin ----- */
.ree-block { margin-top: 0.5rem; border-top: 1px solid var(--palegrey); padding-top: 0.4rem; }
.ree-total { margin: 0 0 0.3rem; color: var(--blue); }
.ree-grid { display: grid; grid-template-columns: repeat(4, auto); gap: 2px 10px; font-size: 0.82rem; }
.ree-cell { white-space: nowrap; color: var(--ink); }
.ree-cell b { color: var(--blue); }
.ree-unit { margin: 0.3rem 0 0; font-size: 0.75rem; color: var(--grey); }
.detail-table .ree-grid { margin-top: 0.3rem; }

/* ============================================================
   Additions: navigation active state, start page, content
   pages (Wissenschaft / Blog), figures, accordions.
   ============================================================ */

.site-header nav a.active { color: var(--blue); border-bottom: 2px solid var(--blue); padding-bottom: 2px; }

/* ----- start page: intro beside map ----- */
.start {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.4rem;
  align-items: start;
}
.start-intro h1 { margin-bottom: 0.2rem; }
.start-intro .subtitle {
  font-size: 1.15rem; font-weight: 700; color: var(--grey);
  margin: 0 0 1rem;
}
.start-intro p { margin: 0 0 0.9rem; }

.cta {
  display: block; text-align: center; text-decoration: none;
  margin: 1.2rem 0 1.4rem; line-height: 1.3;
}
.cta span { display: block; font-weight: 400; font-size: 0.82rem; opacity: 0.95; margin-top: 0.2rem; }

.start-map { position: sticky; top: 1rem; }
.start-map h2 { margin: 0 0 0.3rem; color: var(--blue); }
.start-map .map-hint { font-size: 0.9rem; color: var(--grey); margin: 0 0 0.6rem; max-width: none; }
.start-map .legend { margin-bottom: 0.6rem; }
.start-map #map { height: min(66vh, 560px); }

@media (max-width: 820px) {
  .start { grid-template-columns: 1fr; gap: 1.4rem; }
  .start-map { position: static; }
  .start-map #map { height: 60vh; }
}

/* ----- content pages (Wissenschaft, Blog) ----- */
.page-content { max-width: 820px; }
.content { font-size: 1.02rem; }
.content h2 { color: var(--blue); font-size: 1.4rem; margin: 2rem 0 0.8rem; }
.content p { margin: 0 0 1rem; }

.content figure { margin: 1.4rem 0; }
.content figure img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--midgrey); border-radius: var(--radius); background: var(--paper);
}
.content figcaption {
  font-size: 0.85rem; font-style: italic; color: var(--grey);
  margin-top: 0.45rem; line-height: 1.45;
}
.footnote { font-size: 0.82rem; color: var(--grey); }

/* accordion topics */
.topic {
  border: 1px solid var(--midgrey); border-radius: var(--radius);
  margin: 0.7rem 0; background: var(--paper); overflow: hidden;
}
.topic > summary {
  cursor: pointer; padding: 0.85rem 1.1rem; font-weight: 700; color: var(--blue);
  list-style: none; position: relative;
}
.topic > summary::-webkit-details-marker { display: none; }
.topic > summary::after {
  content: "+"; position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%);
  font-size: 1.2rem; color: var(--grey);
}
.topic[open] > summary::after { content: "–"; }
.topic[open] > summary { border-bottom: 1px solid var(--palegrey); }
.topic-body { padding: 0.4rem 1.1rem 1rem; }
.topic-body.references p { margin: 0 0 0.5rem; font-size: 0.9rem; }

.research-questions { padding-left: 1.2rem; }
.research-questions li { margin: 0.35rem 0; }
.copyright-note { font-size: 0.82rem; color: var(--grey); border-top: 1px solid var(--palegrey); padding-top: 1rem; margin-top: 2rem; }

/* ----- blog ----- */
.blog .lead { max-width: none; margin-bottom: 1.6rem; }
.blog-entry {
  background: var(--paper); border: 1px solid var(--midgrey); border-radius: var(--radius);
  padding: 1.2rem 1.3rem 1rem; margin: 0 0 1.4rem;
}
.blog-date {
  display: inline-block; background: var(--wash); color: var(--grey);
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  padding: 0.15rem 0.55rem; border-radius: 999px; margin-bottom: 0.4rem;
}
.blog-entry h2 { margin: 0.1rem 0 0.7rem; color: var(--ink); font-size: 1.3rem; }
.blog-entry figure { margin: 0.6rem 0 1rem; }
.blog-entry figure img { max-height: 460px; object-fit: contain; }