/* ============================================================
   ABSTRICT · Features v3 CSS
   DNA radar, Multi-cart, FPS animation, Stress test
   ============================================================ */

/* === DNA radar inside catalog card === */
.card-dna {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 14px 8px;
  font-family: var(--mono); font-size: 9px;
  color: var(--text-muted);
}
.card-dna svg { flex-shrink: 0; }
.card-dna-labels { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 8px; flex: 1; min-width: 0; }
.card-dna-labels span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* === Multi-merchant buttons on card === */
.card-merchants {
  display: flex; gap: 4px; flex-wrap: wrap;
  padding: 0 14px 10px;
}
.card-merchant {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 8px;
  font-family: var(--mono); font-size: 9px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent; color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms var(--ease);
  text-decoration: none;
}
.card-merchant:hover { background: var(--bg-alt); color: var(--text); border-color: var(--text-muted); }
.card-merchant.added { background: var(--success); color: #fff; border-color: var(--success); }

/* === Floating multi-cart widget === */
.multi-cart {
  position: fixed; right: 24px; bottom: 80px;
  width: 280px; max-height: 60vh;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  z-index: 90;
  animation: cartIn .2s var(--ease-out);
}
.multi-cart[hidden] { display: none; }
@keyframes cartIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.multi-cart-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px; font-weight: 600;
}
.multi-cart-title { display: flex; align-items: center; gap: 6px; color: var(--text); }
.multi-cart-body {
  flex: 1; overflow-y: auto; padding: 6px 8px;
  font-size: 11px;
  min-height: 60px;
}
.multi-cart-row {
  display: grid; grid-template-columns: 1fr auto auto;
  gap: 6px; align-items: center;
  padding: 6px 8px;
  border-radius: var(--radius);
  transition: background 120ms var(--ease);
}
.multi-cart-row:hover { background: var(--bg-alt); }
.multi-cart-row .mc-name { font-size: 11px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.multi-cart-row .mc-merch {
  font-family: var(--mono); font-size: 9px;
  padding: 1px 5px; border-radius: 3px;
  text-transform: uppercase; letter-spacing: .3px;
}
.multi-cart-row .mc-merch[data-m="ldlc"] { background: rgba(255,107,0,.12); color: #c84200; }
.multi-cart-row .mc-merch[data-m="topachat"] { background: rgba(255,0,128,.12); color: #c8006e; }
.multi-cart-row .mc-merch[data-m="materiel"] { background: rgba(0,150,255,.12); color: #0080c8; }
body.dark .multi-cart-row .mc-merch[data-m="ldlc"] { background: rgba(255,107,0,.18); color: #ff8c4d; }
body.dark .multi-cart-row .mc-merch[data-m="topachat"] { background: rgba(255,0,128,.18); color: #ff66b3; }
body.dark .multi-cart-row .mc-merch[data-m="materiel"] { background: rgba(0,150,255,.18); color: #66b3ff; }
.multi-cart-row .mc-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 14px; line-height: 1;
  padding: 2px 4px;
}
.multi-cart-row .mc-remove:hover { color: var(--danger); }
.multi-cart-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 14px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--mono); font-size: 10px;
  color: var(--text-secondary);
}
.multi-cart-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
}

/* === FPS count-up animation === */
.perf-bar-fps-count {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: #fff;
  mix-blend-mode: difference;
  gap: 4px;
}
.perf-bar-fps-old {
  font-size: 9px; opacity: .55;
  text-decoration: line-through;
  animation: fpsOldFade 1s ease forwards;
}
@keyframes fpsOldFade {
  0% { opacity: .55; }
  70% { opacity: .35; }
  100% { opacity: 0; }
}

/* === Stress test panel === */
.stress-section {
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.stress-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.stress-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  transition: border-color 150ms var(--ease);
}
.stress-card:hover { border-color: var(--text-muted); }
.stress-name { font-size: 13px; font-weight: 600; }
.stress-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.stress-row {
  display: grid; grid-template-columns: 50px 1fr 50px;
  gap: 8px; align-items: center;
  padding: 4px 0;
  font-family: var(--mono); font-size: 10px;
}
.stress-key { color: var(--text-secondary); }
.stress-bar {
  height: 8px; background: var(--bg-alt);
  border-radius: 4px; overflow: hidden;
}
.stress-bar-fill {
  height: 100%; border-radius: 4px;
  transition: width 600ms var(--ease), background 300ms var(--ease);
}
.stress-val { text-align: right; color: var(--text); font-weight: 600; }
.stress-warn {
  margin-top: 8px;
  padding: 6px 10px;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.18);
  border-radius: var(--radius);
  font-size: 11px;
  color: var(--warning);
  display: flex; align-items: center; gap: 6px;
}
.stress-warn svg { flex-shrink: 0; }