/* ============================================================
   matrAIx.ai — Dimension Explorer
   Inherits variables + base look from styles.css
   ============================================================ */

.explorer-body { background: var(--bg); }

.nav-links a.active { color: var(--phos); }
.nav-links a.active::after { width: 100%; }

.ex-main {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 120px 32px 80px;
}

/* ---------- Header block ---------- */
.ex-head { margin-bottom: 46px; }
.ex-title {
  font-family: var(--disp);
  font-weight: 700;
  font-size: clamp(1.95rem, 5vw, 3.05rem);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  margin: 14px 0 20px;
}
.ex-title span { color: var(--phos); text-shadow: var(--glow); }
.ex-sub {
  max-width: 720px;
  color: var(--ink);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
}
.ex-sub em { color: var(--ink); font-style: italic; }

/* ---------- Stat bar ---------- */
.ex-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-top: 38px;
}
.stat {
  padding: 20px 22px;
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.stat:last-child { border-right: none; }
.stat-val {
  font-family: var(--disp);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.95rem);
  color: var(--phos);
  text-shadow: 0 0 14px rgba(80,137,184,0.3);
  font-variant-numeric: tabular-nums;
  line-height: var(--leading-tight);
}
.stat-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink);
}

/* ---------- Controls ---------- */
.ex-controls {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  position: sticky;
  top: 0;
  z-index: 12;
  padding: 18px 0;
  background: linear-gradient(to bottom, var(--bg) 70%, rgba(255,255,255,0));
}
.ex-search {
  font-family: var(--disp);
  font-size: var(--text-sm);
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 12px 16px;
  min-width: 240px;
  flex: 0 0 auto;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ex-search::placeholder { color: var(--ink); }
.ex-search:focus {
  border-color: var(--phos);
  box-shadow: 0 0 0 1px var(--phos), 0 0 16px rgba(80,137,184,0.15);
}
.ex-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--disp);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-soft);
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover { color: var(--ink); border-color: var(--line); }
.chip.active {
  color: #04121f;
  background: var(--phos);
  border-color: var(--phos);
  font-weight: 700;
  box-shadow: 0 0 16px rgba(80,137,184,0.3);
}
.chip .chip-n { opacity: 0.6; margin-left: 6px; }


/* ---------- Dimension grid ---------- */
.ex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.dim-card {
  border: 1px solid var(--line-soft);
  background: var(--bg-2);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
  animation: rise 0.5s backwards;
}
.dim-card:hover {
  border-color: var(--line);
  background: var(--bg-3);
  transform: translateY(-3px);
}
.dim-card.open { border-color: var(--phos); box-shadow: 0 0 0 1px rgba(80,137,184,0.25); }

/* External dataset dimensions: orange accent */
.dim-card.has-source {
  background: rgba(255,153,51,0.05);
  border-color: rgba(255,153,51,0.15);
}
.dim-card.has-source:hover {
  background: rgba(255,153,51,0.1);
  border-color: rgba(255,153,51,0.25);
}
.dim-card.has-source.open {
  border-color: #ff9933;
  box-shadow: 0 0 0 1px rgba(255,153,51,0.35), inset 0 0 20px rgba(255,153,51,0.08);
}
.dim-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.dim-cat {
  font-family: var(--disp);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--phos);
  opacity: 0.8;
}
.dim-count {
  font-family: var(--disp);
  font-size: var(--text-xs);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.dim-label {
  font-family: var(--disp);
  font-weight: 700;
  font-size: var(--text-lg);
  margin: 8px 0 6px;
  letter-spacing: var(--tracking-snug);
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}
.dim-desc { font-family: var(--disp); font-size: var(--text-sm); color: var(--ink); line-height: var(--leading-normal); }
.dim-source {
  font-family: var(--disp);
  font-size: var(--text-xs);
  color: #ff9933;
  opacity: 0.85;
  margin: 4px 0 0;
  letter-spacing: var(--tracking-wide);
  font-weight: 500;
}
.dim-values {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s, margin-top 0.3s;
}
.dim-card.open .dim-values {
  max-height: 600px;
  opacity: 1;
  margin-top: 16px;
}
.val-chip {
  font-family: var(--disp);
  font-size: var(--text-xs);
  color: var(--ink);
  background: rgba(80,137,184,0.06);
  border: 1px solid var(--line-soft);
  padding: 4px 10px;
  white-space: nowrap;
}
.dim-hint {
  font-family: var(--disp);
  margin-top: 12px;
  font-size: var(--text-xs);
  color: var(--ink);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  opacity: 0.7;
}
.dim-card.open .dim-hint { color: var(--phos); opacity: 1; }

.ex-empty {
  text-align: center;
  color: var(--ink);
  padding: 60px 0;
  font-size: var(--text-sm);
}

/* ---------- Persona drawer ---------- */
.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(3px);
  animation: fade 0.3s;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.persona-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: min(480px, 92vw);
  z-index: 31;
  background: var(--bg-2);
  border-left: 1px solid var(--phos);
  box-shadow: -30px 0 80px rgba(0,0,0,0.6), inset 1px 0 0 rgba(80,137,184,0.2);
  transform: translateX(105%);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
  display: flex;
  flex-direction: column;
}
.persona-drawer.open { transform: translateX(0); }
.drawer-inner { display: flex; flex-direction: column; height: 100%; padding: 26px; overflow: hidden; }
.drawer-head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.drawer-eyebrow {
  font-family: var(--disp);
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-xs); letter-spacing: var(--tracking-widest); color: var(--phos);
}
.drawer-name {
  font-family: var(--disp); font-weight: 700;
  font-size: var(--text-2xl); letter-spacing: var(--tracking-snug);
  margin: 12px 0 6px; line-height: var(--leading-snug);
}
.drawer-line { font-family: var(--disp); font-size: var(--text-sm); color: var(--ink); line-height: var(--leading-normal); }
.drawer-close {
  font-family: var(--disp);
  background: transparent; border: 1px solid var(--line);
  color: var(--ink); width: 34px; height: 34px;
  cursor: pointer; font-size: var(--text-sm); flex: 0 0 auto;
  transition: all 0.2s;
}
.drawer-close:hover { color: var(--rose); border-color: var(--rose); }
.drawer-actions { display: flex; gap: 10px; margin: 22px 0 18px; }
.drawer-actions .btn { padding: 10px 16px; font-size: var(--text-xs); }

.drawer-traits {
  overflow-y: auto;
  flex: 1;
  border-top: 1px solid var(--line-soft);
  padding-top: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--phos-deep) transparent;
}
.trait-row {
  font-family: var(--disp);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--text-sm);
  animation: rise 0.35s backwards;
}
.trait-key { color: var(--ink); letter-spacing: 0.03em; }
.trait-val { color: var(--phos); text-align: right; font-weight: 500; }

.copied { color: var(--phos) !important; border-color: var(--phos) !important; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .ex-stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(5) { border-right: none; }
}
@media (max-width: 600px) {
  .ex-main { padding: 100px 18px 60px; }
  .ex-stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .ex-search { width: 100%; min-width: 0; }
}

/* ---------- Softer corners: gentle rounding on boxes (kept subtle) ---------- */
.ex-stats { border-radius: 12px; }
.dim-card { border-radius: 10px; }
.ex-search { border-radius: 8px; }
.chip { border-radius: 8px; }
.val-chip { border-radius: 6px; }
.drawer-close { border-radius: 8px; }