/* ============================================================
   Microscopy in Africa — ABIC
   Branding: accent green #AFC93C, dark navy #1F3A4D,
   page background white, panel background #F7F8F5.
   Font: Nunito Sans.
   ============================================================ */

:root{
  --accent-green: #AFC93C;
  --navy: #1F3A4D;
  --navy-soft: #2E4E63;
  --page-bg: #FFFFFF;
  --panel-bg: #F7F8F5;
  --card-bg: #FFFFFF;
  --border-soft: #E3E6E1;
  --text-main: #1E2622;
  --text-muted: #5B6A63;
  --shadow-sm: 0 1px 2px rgba(31,58,77,0.08), 0 1px 1px rgba(31,58,77,0.04);
  --shadow-md: 0 4px 14px rgba(31,58,77,0.10);
  --radius-md: 10px;
  --radius-lg: 14px;

  --color-person: #0F7E8C;
  --color-core_facility: #D97B29;
  --color-equipment_light: #8FA832;
  --color-equipment_electron: #7A4FA3;
  --color-cluster: #1F3A4D;

  --focus-ring: 0 0 0 3px rgba(175,201,60,0.55);
}

*, *::before, *::after{ box-sizing: border-box; }

html, body{
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  color: var(--text-main);
  font-family: 'Nunito Sans', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* app owns its own scroll regions */
}

.visually-hidden{
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

a{ color: var(--navy); }
a:hover{ color: var(--color-person); }

button, input, select{
  font-family: inherit;
}

:focus-visible{
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

/* ---------- App shell ---------- */

#app{
  display: flex;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  overflow: hidden;
}

#map-pane{
  flex: 0 0 58%;
  max-width: 58%;
  position: relative;
  height: 100%;
  background: #dfe6e2;
}

#map{
  width: 100%;
  height: 100%;
}

#panel-pane{
  flex: 1 1 42%;
  min-width: 380px;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border-left: 1px solid var(--border-soft);
  overflow: hidden;
}

/* ---------- Panel header ---------- */

.panel-header{
  flex: 0 0 auto;
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--panel-bg);
}

.panel-header-top{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.panel-title{
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.abic-link{
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
}
.abic-link:hover{ color: var(--color-person); text-decoration: underline; }

.search-row{
  margin-bottom: 10px;
}

#search-input{
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 0.92rem;
  color: var(--text-main);
}
#search-input::placeholder{ color: #98A69D; }

.filter-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.filter-row-selects{
  align-items: stretch;
}

/* ---------- Category chips ---------- */

.chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  user-select: none;
}

.chip .dot{
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--dot-color, #999);
}

.chip[aria-pressed="true"]{
  background: color-mix(in srgb, var(--dot-color, #1F3A4D) 16%, white);
  border-color: var(--dot-color, transparent);
  color: var(--text-main);
}

.chip[aria-pressed="false"]{
  opacity: 0.55;
}

/* ---------- Selects & techniques menu ---------- */

.select-field{
  position: relative;
}

#country-select{
  /* Fully custom-styled: with the native appearance, macOS/Safari renders
     its own oversized system control and ignores the padding/radius below. */
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  height: 34px;
  padding: 0 26px 0 10px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: #fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23848b80' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center;
  font-family: inherit;
  font-size: 0.8rem;
  line-height: 32px;
  color: var(--text-main);
  max-width: 160px;
  cursor: pointer;
}

.techniques-btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 0.8rem;
  color: var(--text-main);
  cursor: pointer;
}
.techniques-btn .chevron{ color: var(--text-muted); }
.techniques-btn.has-selection{
  border-color: var(--color-person);
  color: var(--color-person);
  font-weight: 700;
}

.techniques-menu{
  position: absolute;
  z-index: 500;
  top: calc(100% + 6px);
  left: 0;
  width: 260px;
  max-height: 280px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 6px;
}

.technique-option{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
}
.technique-option:hover{ background: var(--panel-bg); }
.technique-option input{ flex: 0 0 auto; }
.technique-option span{
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clear-filters{
  border: none;
  background: none;
  color: var(--color-core_facility);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 4px;
  text-decoration: underline;
}

.result-count{
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---------- Card list ---------- */

.card-list{
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 12px 14px 20px;
  -webkit-overflow-scrolling: touch;
}

.card{
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--card-color, var(--navy));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 12px 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: box-shadow 0.14s ease, transform 0.14s ease;
}
.card:hover{
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.card.is-active{
  box-shadow: 0 0 0 2px var(--card-color, var(--navy)), var(--shadow-md);
}

.card-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.card-name{
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
}

.card-category-label{
  flex: 0 0 auto;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--card-color, var(--navy));
  background: color-mix(in srgb, var(--card-color, var(--navy)) 14%, white);
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.card-subline{
  margin: 3px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card-detail{
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-main);
}

.card-detail-row{
  margin: 4px 0;
}
.card-detail-row .label{
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: block;
  margin-bottom: 2px;
}

.research-interests{
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card.is-expanded .research-interests{
  -webkit-line-clamp: unset;
  overflow: visible;
}

.tag-list{
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag{
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--panel-bg);
  border: 1px solid var(--border-soft);
  font-size: 0.72rem;
  color: var(--text-main);
}

.card-actions{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.icon-btn{
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: #fff;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  text-decoration: none;
}
.icon-btn:hover{
  border-color: var(--color-person);
  color: var(--color-person);
}

.email-revealed{
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-person);
  word-break: break-all;
}

/* ---------- Empty state ---------- */

.empty-state{
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-state h3{
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 1rem;
}
.empty-state p{
  margin: 0;
  font-size: 0.85rem;
}

/* ---------- Footer ---------- */

.panel-footer{
  flex: 0 0 auto;
  padding: 9px 16px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-soft);
  background: var(--panel-bg);
}
.panel-footer a{ color: var(--text-muted); font-weight: 700; }
.panel-footer a:hover{ color: var(--color-person); }

/* ---------- Leaflet marker / popup styling ---------- */

.abic-dot-marker{
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

.abic-cluster-icon{
  background: var(--color-cluster);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
}

.leaflet-popup-content-wrapper{
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.popup-card{
  font-family: 'Nunito Sans', system-ui, sans-serif;
  min-width: 180px;
}
.popup-card .popup-category{
  font-size: 0.63rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--popup-color, var(--navy));
  margin-bottom: 3px;
}
.popup-card h4{
  margin: 0 0 3px;
  font-size: 0.92rem;
  color: var(--navy);
}
.popup-card p{
  margin: 0 0 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.popup-card .popup-details-btn{
  border: none;
  background: var(--accent-green);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.76rem;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.popup-card .popup-details-btn:hover{ filter: brightness(0.95); }

/* ---------- Responsive: stacked layout for narrow / iframe use ---------- */

@media (max-width: 800px){
  #app{
    flex-direction: column;
  }
  #map-pane{
    flex: 0 0 45vh;
    max-width: 100%;
    width: 100%;
  }
  #panel-pane{
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border-soft);
  }
  .panel-title{ font-size: 1.15rem; }
  #country-select{ max-width: 130px; }
}

@media (max-width: 460px){
  .filter-row-selects{
    flex-wrap: wrap;
  }
}