/* Theme overrides loaded AFTER inline styles.
   Goal: improve visual design without touching JS logic. */

:root{
  --bg0:#0b1220;
  --bg1:#0f172a;
  --card:#ffffff;
  --card2:#f8fafc;
  --text:#0f172a;
  --muted:#475569;
  --muted2:#64748b;
  --border:rgba(15, 23, 42, 0.08);
  --shadow: 0 10px 30px rgba(2, 8, 23, 0.08), 0 2px 10px rgba(2, 8, 23, 0.06);
  --shadow2: 0 14px 40px rgba(2, 8, 23, 0.10);
  --radius: 14px;
  --radius-sm: 10px;

  --brand:#3b82f6;
  --brand2:#2563eb;
  --green:#16a34a;
  --pink:#db2777;
  --blue:#2563eb;
  --danger:#dc2626;
}

/* Global */
html, body { height: 100%; }

body{
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(59,130,246,0.12), transparent 60%),
    radial-gradient(900px 700px at 100% 20%, rgba(219,39,119,0.10), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  color: var(--text);
}

.container{
  max-width: 1480px;
  padding: 24px;
}

header{
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.80);
  backdrop-filter: saturate(140%) blur(10px);
}

h1{
  letter-spacing: -0.02em;
  font-size: 28px;
  margin-bottom: 14px;
}

/* Disclaimer & contact */
.disclaimer-banner{
  border-radius: var(--radius-sm);
  border: 1px solid rgba(220, 38, 38, 0.22);
  background: linear-gradient(180deg, rgba(254, 226, 226, 0.9), rgba(254, 242, 242, 0.9));
  color: #7f1d1d;
  box-shadow: 0 8px 20px rgba(220, 38, 38, 0.08);
}

.contact-box{
  border-radius: var(--radius-sm);
  border: 1px solid rgba(2, 6, 23, 0.08);
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.95));
}

.contact-link:hover,
.substack-link:hover{
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Primary CTA */
.home-graph-button{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.22);
  border: 1px solid rgba(37, 99, 235, 0.20);
  padding: 10px 14px;
  font-size: 13px;
}
.home-graph-button:hover{
  background: linear-gradient(135deg, var(--brand2), #1d4ed8);
  transform: translateY(-1px);
}

/* Tabs / buttons */
.filter-buttons{
  gap: 10px;
  flex-wrap: wrap;
}

/* Graph link styled like a tab, but distinct color */
.graph-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.25);
  background: rgba(124, 58, 237, 0.12);
  color: #5b21b6;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(2, 8, 23, 0.06);
  transition: transform 0.15s ease, background 0.15s ease;
}
.graph-btn:hover{
  background: rgba(124, 58, 237, 0.18);
  transform: translateY(-1px);
}
.graph-btn:focus{
  outline: none;
}

.filter-btn{
  border: 1px solid rgba(2, 6, 23, 0.08);
  background: rgba(255,255,255,0.80);
  color: var(--text);
  box-shadow: 0 6px 18px rgba(2, 8, 23, 0.06);
  font-weight: 700;
  font-size: 14px;
}
.filter-btn:hover{
  background: rgba(248,250,252,0.95);
  transform: translateY(-1px);
}

/* Static category coloring for tabs (always on, filled like the top menu) */
.filter-btn[data-type="constructs"],
.filter-btn[data-type="construct"]{
  background: linear-gradient(135deg, var(--green), #15803d);
  border-color: rgba(22, 163, 74, 0.30);
  color: #ffffff;
}
.filter-btn[data-type="constructs"]:hover,
.filter-btn[data-type="construct"]:hover{
  background: linear-gradient(135deg, #15803d, #166534);
}

.filter-btn[data-type="measurements"],
.filter-btn[data-type="measurement"]{
  background: linear-gradient(135deg, var(--blue), #1d4ed8);
  border-color: rgba(37, 99, 235, 0.30);
  color: #ffffff;
}
.filter-btn[data-type="measurements"]:hover,
.filter-btn[data-type="measurement"]:hover{
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
}

.filter-btn[data-type="behaviors"],
.filter-btn[data-type="behavior"]{
  background: linear-gradient(135deg, var(--pink), #be185d);
  border-color: rgba(219, 39, 119, 0.30);
  color: #ffffff;
}
.filter-btn[data-type="behaviors"]:hover,
.filter-btn[data-type="behavior"]:hover{
  background: linear-gradient(135deg, #be185d, #9d174d);
}

.filter-btn.active{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.18);
}
.filter-btn.active:hover{
  background: linear-gradient(135deg, var(--brand2), #1d4ed8);
}

/* Category-colored active tabs (match constructs/measurements/behaviors palette) */
.filter-btn.active[data-type="constructs"],
.filter-btn.active[data-type="construct"]{
  background: linear-gradient(135deg, var(--green), #15803d);
  border-color: rgba(22, 163, 74, 0.30);
  box-shadow: 0 12px 28px rgba(22, 163, 74, 0.22);
  color: #ffffff;
}
.filter-btn.active[data-type="constructs"]:hover,
.filter-btn.active[data-type="construct"]:hover{
  background: linear-gradient(135deg, #15803d, #166534);
}

.filter-btn.active[data-type="measurements"],
.filter-btn.active[data-type="measurement"]{
  background: linear-gradient(135deg, var(--blue), #1d4ed8);
  border-color: rgba(37, 99, 235, 0.30);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
  color: #ffffff;
}
.filter-btn.active[data-type="measurements"]:hover,
.filter-btn.active[data-type="measurement"]:hover{
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
}

.filter-btn.active[data-type="behaviors"],
.filter-btn.active[data-type="behavior"]{
  background: linear-gradient(135deg, var(--pink), #be185d);
  border-color: rgba(219, 39, 119, 0.30);
  box-shadow: 0 12px 28px rgba(219, 39, 119, 0.22);
  color: #ffffff;
}
.filter-btn.active[data-type="behaviors"]:hover,
.filter-btn.active[data-type="behavior"]:hover{
  background: linear-gradient(135deg, #be185d, #9d174d);
}

/* Inputs */
.filter-controls{
  border-top: 1px solid rgba(2, 6, 23, 0.08);
  flex-wrap: wrap;
}
.filter-control input{
  border: 1px solid rgba(2, 6, 23, 0.14);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.90);
}
.filter-control input:focus{
  border-color: rgba(37,99,235,0.55);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.18);
}

/* Panels */
.main-content{
  height: calc(100vh - 270px);
}

.empty-state.home-intro{
  color: #000000;
}
.empty-state.home-intro p{
  color: #000000;
}
.empty-state.home-intro h3{
  color: #000000;
}

.home-intro-section{
  box-shadow: 0 10px 24px rgba(2, 8, 23, 0.08);
}

/* Home cards: match category palette */
.home-intro-section-construct{
  border-color: rgba(22, 163, 74, 0.30) !important;
  background: rgba(22, 163, 74, 0.08) !important;
}
.home-intro-section-measurement{
  border-color: rgba(37, 99, 235, 0.30) !important;
  background: rgba(37, 99, 235, 0.08) !important;
}
.home-intro-section-behavior{
  border-color: rgba(219, 39, 119, 0.30) !important;
  background: rgba(219, 39, 119, 0.08) !important;
}

/* Mobile / small screens adjustments */
@media (max-width: 800px) {
  /* Stack title and menu */
  header > div:first-child {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  /* Make top menu buttons easier to tap and horizontally scrollable */
  .filter-buttons {
    display: flex !important;
    gap: 8px !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }

  .filter-btn, .graph-btn {
    min-width: 110px;
    padding: 10px 12px;
    font-size: 15px;
    white-space: nowrap;
  }

  /* Search and filters stack vertically */
  .search-section {
    flex-direction: column;
    gap: 8px;
  }
  .filter-controls {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }

  /* Footer contact centered and compact */
  .site-footer .contact-box {
    text-align: center;
    padding: 12px 10px;
  }
}

.results-panel{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow2);
  background: rgba(255,255,255,0.80);
  backdrop-filter: saturate(140%) blur(10px);
}

.results-header{
  background: linear-gradient(135deg, #0f172a, #111827);
  letter-spacing: -0.01em;
}

.results-list{
  padding: 12px;
}

.result-item{
  border-radius: 12px;
  border: 1px solid transparent;
  background: rgba(255,255,255,0.85);
}
.result-item:hover{
  background: rgba(248,250,252,0.95);
  border-color: rgba(2,6,23,0.06);
}
.result-item.selected{
  background: rgba(59,130,246,0.10);
  border-left: 4px solid var(--brand);
  border-color: rgba(59,130,246,0.18);
}

.result-name{
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.25;
}

.result-definition{
  color: var(--muted);
}

.result-type{
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid rgba(2, 6, 23, 0.08);
}
.result-type.construct{
  background: rgba(22,163,74,0.10);
  color: #14532d;
  border-color: rgba(22,163,74,0.20);
}
.result-type.measurement{
  background: rgba(37,99,235,0.10);
  color: #1e3a8a;
  border-color: rgba(37,99,235,0.18);
}
.result-type.behavior{
  background: rgba(219,39,119,0.10);
  color: #831843;
  border-color: rgba(219,39,119,0.18);
}

/* Relationship cards */
.relationship-item{
  border-radius: 12px;
  border: 1px solid rgba(2, 6, 23, 0.06);
  background: rgba(255,255,255,0.85);
  box-shadow: 0 8px 22px rgba(2,8,23,0.06);
}
.relationship-item:hover{
  background: rgba(248,250,252,0.95);
  transform: translateY(-1px);
}
.relationship-item.construct{ border-left-color: var(--green); }
.relationship-item.measurement{ border-left-color: var(--blue); }
.relationship-item.behavior{ border-left-color: var(--pink); }

/* Definition lists */
.definitions-dropdown label{
  letter-spacing: -0.01em;
}

/* Tooltips */
.expert-flag-tooltip{
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 10px 30px rgba(2, 8, 23, 0.35);
}

/* Info icon + tooltip (e.g., min-papers filter) */
.info-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 6px;
  border-radius: 999px;
  border: 1px solid rgba(2, 6, 23, 0.18);
  background: rgba(255,255,255,0.9);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  cursor: help;
  position: relative;
  user-select: none;
}

.info-icon .info-tooltip{
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  /* Allow multiline wrapping (instead of one long line) */
  width: min(360px, 70vw);
  max-width: min(360px, 70vw);
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.96);
  color: #f8fafc;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 14px 38px rgba(2, 8, 23, 0.35);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.info-icon .info-tooltip::after{
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 7px solid rgba(15, 23, 42, 0.96);
}

.info-icon:hover .info-tooltip,
.info-icon:focus-within .info-tooltip{
  opacity: 1;
  visibility: visible;
}

/* Accessibility */
:focus-visible{
  outline: 3px solid rgba(59,130,246,0.35);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 980px){
  .container{ padding: 14px; }
  header{ padding: 16px; }
  .main-content{ height: calc(100vh - 320px); }
  h1{ font-size: 22px; }
}

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