:root {
  --bg: #0e0f13;
  --panel: #181a22;
  --panel-2: #1f2230;
  --border: #2a2d3a;
  --text: #e8e9ee;
  --muted: #8b8f9c;
  --up: #26a69a;
  --down: #ef5350;
  --accent: #4c8dff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  flex-wrap: wrap;
}

h1 {
  font-size: 18px;
  margin: 0;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo {
  width: 28px;
  height: 28px;
  display: block;
}

/* ---- indices ---- */
.indices {
  display: flex;
  gap: 12px;
  flex: 1;
  flex-wrap: wrap;
}

.index {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  min-width: 200px;
  flex: 1;
}

.index-info {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.index-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.index-value { font-size: 16px; font-weight: 600; }
.index-change { font-size: 12px; font-weight: 600; }
.index-spark { flex: 1; height: 40px; min-width: 60px; }

/* ---- controls ---- */
.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 20px 12px;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Bouton loupe : visible uniquement en mobile ; ouvre/ferme la recherche. */
.search-icon {
  display: none;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.search-icon:hover { border-color: var(--accent); }

.search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
  max-width: 460px;
}

#search {
  width: 100%;
  padding: 9px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
#search:focus { border-color: var(--accent); }

.search-results {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
  z-index: 30;
}
.search-results.open { display: block; }

.result {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.result:last-child { border-bottom: none; }
.result:hover { background: var(--panel-2); }
.r-sym { font-weight: 700; min-width: 64px; }
.r-name { flex: 1; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-exch { color: var(--muted); font-size: 11px; white-space: nowrap; }

/* ---- period selector ---- */
.periods {
  display: flex;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.period-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.period-btn:hover { color: var(--text); }
.period-btn.active { background: var(--accent); color: #fff; }

/* ---- onglets de groupes ---- */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  flex-wrap: wrap;
}

.tab {
  display: flex;
  align-items: center;
  border-radius: 6px;
  overflow: hidden;
}
.tab.active { background: var(--accent); }

.tab-name {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tab-name:hover { color: var(--text); }
.tab.active .tab-name { color: #fff; }

/* L'onglet « Tout » a sa couleur propre (violet) pour le démarquer
   du bleu des groupes — c'est la vue cumulée maître. */
.tab[data-tab="main"] .tab-name { color: #c4b5fd; }
.tab[data-tab="main"] .tab-name:hover { color: #ddd6fe; }
.tab[data-tab="main"].active { background: #a855f7; }
.tab[data-tab="main"].active .tab-name { color: #fff; }
.tab[data-tab="main"].tab-flash { animation-name: tab-flash-tout; }
@keyframes tab-flash-tout {
  0% { background: #a855f7; }
  100% { background: transparent; }
}

.tab-icon {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  font-size: 11px;
  padding: 7px 5px;
}
.tab-icon:hover { color: #fff; }

.tab-add {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  padding: 5px 11px;
  border-radius: 6px;
}
.tab-add:hover { color: var(--text); background: var(--panel-2); }

/* glisser une carte vers un onglet */
.tabs.drag-active {
  outline: 1px dashed var(--accent);
  outline-offset: 3px;
}
.tab.drop-target {
  background: rgba(76, 141, 255, 0.25);
  box-shadow: inset 0 0 0 2px var(--accent);
}
.tab-flash { animation: tab-flash 0.5s ease-out; }
@keyframes tab-flash {
  0% { background: var(--accent); }
  100% { background: transparent; }
}
.tab.active.tab-flash { animation: none; }

.card-fallback {
  pointer-events: none;
  opacity: 0.92;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  cursor: grabbing;
}

/* ---- main / grid ---- */
main { padding: 20px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr));
  gap: 16px;
}

/* Nombre de colonnes fixé par l'utilisateur (desktop). */
.grid[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid[data-cols="3"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid[data-cols="4"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid[data-cols="5"] { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid[data-cols="6"] { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  container-type: inline-size;
  container-name: card;
}

/* Cartes étroites (beaucoup de colonnes) : compactage automatique de l'en-tête. */
@container card (max-width: 280px) {
  .card-head { gap: 6px; padding: 8px 10px; }
  .name { display: none; }
  .ticker, .price { font-size: 13px; }
  .change { font-size: 11px; }
}
/* Le prix prend trop de place — on le masque ; sa valeur est visible
   sur l'axe du graphique. */
@container card (max-width: 220px) {
  .price { display: none; }
  .ext-change { display: none; }
  .card-tool { display: none; }   /* tools accessibles depuis une carte plus large */
}
@container card (max-width: 160px) {
  .change { display: none; }
}
.card-ghost { opacity: .4; }

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.drag-handle {
  cursor: grab;
  color: var(--muted);
  font-size: 16px;
  user-select: none;
}
.drag-handle:active { cursor: grabbing; }

.card-title { display: flex; flex-direction: column; min-width: 0; }
.ticker { font-weight: 700; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.name { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.card-quote {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  white-space: nowrap;
}
.price { font-weight: 600; font-size: 15px; }
.change { font-size: 12px; font-weight: 600; }
.change-line { display: flex; gap: 5px; align-items: baseline; justify-content: flex-end; }
.ext-change { font-size: 11px; font-weight: 600; opacity: 0.9; }

.remove {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 6px;
}
.remove:hover { color: var(--down); background: var(--panel-2); }

/* Boutons d'outils dans l'en-tête de carte (positions, alertes). */
.card-tool {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 6px;
  position: relative;
  line-height: 1;
}
.card-tool:hover { color: var(--text); background: var(--panel-2); }
.card-tool.has-data { color: var(--accent); }
.card-tool.triggered {
  color: var(--down);
  animation: alert-blink 1s ease-in-out infinite;
}
@keyframes alert-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.chart-wrap { position: relative; }
.chart { height: 240px; width: 100%; }

/* Logo TradingView intrusif sur chaque graphique : masqué ici,
   l'attribution est conservée dans le pied de page. */
#tv-attr-logo,
a[id^="tv-attr-logo"] { display: none !important; }

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

/* ---- panneaux Positions / Alertes (overlay sur le graphique) ---- */
.panel {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(24, 26, 34, 0.97);
  padding: 12px 14px;
  overflow-y: auto;
  z-index: 5;
  font-size: 13px;
}
.panel.open { display: block; }
.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.panel-head strong { font-size: 14px; }
.panel-close {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
  border-radius: 4px;
}
.panel-close:hover { color: var(--text); background: var(--panel-2); }

.panel-done {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}
.panel-done:hover { background: #6ba2ff; }
.pru-tag {
  font-size: 11px;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.op-list {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  max-height: 130px;
  overflow-y: auto;
}
.op-empty {
  color: var(--muted);
  font-style: italic;
  padding: 6px 0;
  text-align: center;
}
.op-row, .alert-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.op-row:last-child, .alert-row:last-child { border-bottom: none; }
.op-marker { font-size: 11px; }
.op-marker.buy  { color: var(--up); }
.op-marker.sell { color: var(--down); }
.op-type { color: var(--muted); font-size: 12px; min-width: 44px; }
.op-price { font-weight: 600; font-variant-numeric: tabular-nums; }
.op-qty  { color: var(--muted); font-size: 11px; }
.op-date { color: var(--muted); font-size: 11px; margin-left: auto; }
.op-del {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
}
.op-del:hover { color: var(--down); background: var(--panel-2); }

.alert-row.triggered .alert-status { color: var(--down); font-weight: 600; }
.alert-row .alert-dir { color: var(--accent); font-weight: 700; min-width: 18px; }
.alert-row .alert-price { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 60px; }
.alert-row .alert-status { color: var(--muted); font-size: 11px; margin-left: auto; }

.op-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.op-form-row {
  display: flex;
  gap: 8px;
}
.op-form-row > * { flex: 1; min-width: 0; }
.op-form-row > button { flex: 0 0 auto; padding-left: 18px; padding-right: 18px; }
/* Frais : colonne plus étroite ; Date : un peu plus large pour afficher
   YYYY-MM-DD en entier sans coupure. */
.op-form-row > input[name="fees"] { flex: 0 1 80px; }
.op-form-row > input[name="date"] { flex: 1 1 140px; }

.alert-form {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 6px;
  align-items: center;
}

.op-form input, .op-form select,
.alert-form input, .alert-form select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 5px;
  padding: 7px 10px;
  font-size: 13px;
  box-sizing: border-box;
  min-width: 0;
}
.op-form input:focus, .op-form select:focus,
.alert-form input:focus, .alert-form select:focus {
  outline: none;
  border-color: var(--accent);
}
.panel .btn { padding: 7px 14px; font-size: 13px; }
.panel .hint {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.pru-tag.manual {
  background: rgba(168, 85, 247, 0.15);
  color: #c4b5fd;
}

/* PRU manuel sous le formulaire */
.manual-pru {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.manual-pru label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.manual-pru label span {
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}
.manual-pru input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 5px;
  padding: 6px 10px;
  font-size: 13px;
  min-width: 0;
}
.manual-pru input:focus { outline: none; border-color: #a855f7; }

/* Ligne d'opération : afficher les frais entre la qté et la date */
.op-fees { color: #f5a623; font-size: 11px; font-weight: 600; }
.op-fees-empty { width: 0; }

/* Le panneau peut dépasser la zone du graphique pour rester lisible */
.panel {
  /* hauteur minimale plus large pour le formulaire avec PRU manuel */
  min-height: 100%;
  max-height: none;
}

@container card (max-width: 260px) {
  .op-form-row { flex-wrap: wrap; }
  .op-form-row > * { flex: 1 1 calc(50% - 4px); }
}

/* ---- empty state ---- */
.empty {
  text-align: center;
  color: var(--muted);
  padding: 48px 20px;
}

/* Bannière proposant de charger un favori (affichée quand la vue est
   vide mais que des favoris existent en mémoire) */
.fav-prompt-banner {
  max-width: 520px;
  margin: 0 auto 32px;
  padding: 22px 24px;
  border: 2px dashed var(--accent);
  border-radius: 12px;
  background: rgba(76, 141, 255, 0.05);
}
.fav-prompt-title {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
}
.fav-prompt-text {
  margin: 0 0 16px;
  color: var(--text);
  font-size: 14px;
}
.fav-prompt-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
}
.fav-prompt-btn:hover { background: #6ba2ff; }
.suggestions {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 12px;
}
.chip {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.chip:hover { border-color: var(--accent); }

.options {
  display: flex;
  justify-content: center;
  padding: 20px;
}

.opt {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text);
  font-size: 13px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  user-select: none;
}
.opt:hover { border-color: var(--border); }
.opt input { cursor: pointer; accent-color: #f5a623; width: 15px; height: 15px; }
.opt strong { color: #f5a623; font-weight: 700; }
.opt-hint { color: var(--muted); font-weight: 400; font-size: 11px; }

.opt-cols select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-left: 2px;
}
.opt-cols select:focus { outline: none; border-color: var(--accent); }

footer {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  padding: 8px 20px 32px;
  line-height: 1.6;
}
footer a {
  color: var(--muted);
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
footer a:hover { color: var(--text); }
footer .legal-link { text-decoration: none; }   /* lien mentions légales : sobre */

/* ---- bouton Ko-fi (footer voyant) ---- */
.kofi-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 8px 0 18px;
  flex-wrap: wrap;
}
.kofi-subtitle {
  color: var(--muted);
  font-size: 13px;
}
.kofi-btn,
.kofi-btn span {
  color: var(--accent) !important;
  text-decoration: underline !important;
  text-underline-offset: 3px;
  font-weight: 700;
  font-size: 14px;
}
.kofi-btn:hover,
.kofi-btn:hover span { color: #7eb0ff !important; }

/* ---- page mentions légales ---- */
.legal {
  max-width: 720px;
  margin: 20px auto 40px;
  padding: 0 20px;
  font-size: 14px;
  line-height: 1.65;
}
.legal h2 {
  font-size: 16px;
  margin-top: 28px;
  margin-bottom: 8px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
.legal p {
  color: var(--text);
  margin: 6px 0 12px;
}
.legal strong { color: var(--text); font-weight: 600; }

/* ---- liens / nav inter-pages ---- */
.page-nav {
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}
.page-nav a, footer a.page-link {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 6px;
  background: var(--panel);
  text-align: center;
  white-space: nowrap;
  font-weight: 600;
}
.page-nav a:hover, footer a.page-link:hover { border-color: var(--accent); }
.page-tag { color: var(--muted); font-weight: 400; font-size: 14px; }

/* Sélecteur de langue */
.lang-switch {
  display: flex;
  gap: 1px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.lang-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 9px;
  letter-spacing: 0.5px;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

/* ---- favoris ---- */
.fav-wrap { position: relative; }
.fav-btn {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: #f5a623;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 6px;
}
.fav-btn:hover { border-color: #f5a623; }

.fav-popover {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 260px;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  z-index: 30;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.55);
}
.fav-popover.open { display: block; }
.fav-add {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: #f5a623;
  cursor: pointer;
  text-align: left;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  box-sizing: border-box;
}
.fav-add:hover { background: var(--panel-2); }
.fav-add-label { cursor: pointer; }
.fav-section-label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  margin-top: 4px;
}
.fav-sep { height: 1px; background: var(--border); margin: 4px 2px; }
.fav-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 6px 10px;
  font-style: italic;
}
.fav-row { display: flex; align-items: center; gap: 4px; }
.fav-link {
  flex: 1;
  color: var(--text);
  text-decoration: none;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fav-link:hover { background: var(--panel-2); }
.fav-del {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 7px;
  border-radius: 4px;
  font-size: 13px;
}
.fav-del:hover { color: var(--down); background: var(--panel-2); }

/* ---- page corrélations ---- */
.corr-actions { gap: 10px; flex-wrap: wrap; }
.counter { color: var(--muted); font-size: 13px; align-self: center; }
.btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 13px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.load-saved {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 13px;
  cursor: pointer;
}

.matrix-wrap {
  padding: 20px;
  overflow-x: auto;
}
.loading {
  color: var(--muted);
  text-align: center;
  padding: 40px;
}

.corr-matrix {
  border-collapse: separate;
  border-spacing: 0;
  margin: 0 auto;
  font-variant-numeric: tabular-nums;
}
.corr-matrix th,
.corr-matrix td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: center;
  min-width: 70px;
  white-space: nowrap;
}
.corr-matrix th {
  background: var(--panel);
  font-weight: 700;
  font-size: 13px;
  position: relative;
}
.corr-matrix th .tk { display: inline-block; padding-right: 4px; }
.corr-matrix th .rm {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 0 4px;
  border-radius: 4px;
}
.corr-matrix th .rm:hover { color: var(--down); background: var(--panel-2); }
.corr-matrix .cell {
  font-size: 13px;
  color: var(--text);
}
.corr-matrix .cell.diag {
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
}
.corr-matrix th.corner {
  background: var(--bg);
  border: none;
}

@media (max-width: 640px) {
  .corr-matrix th, .corr-matrix td { padding: 7px 9px; min-width: 56px; font-size: 12px; }
}

@media (max-width: 640px) {
  /* L'en-tête (titre + indices) défile normalement ; seule la barre de
     contrôles reste épinglée en haut quand on descend.
     display:contents détache visuellement le <header> pour que .controls
     puisse rester sticky par rapport au body même après que .bar a défilé. */
  header { display: contents; }
  .bar { gap: 12px; padding: 12px; }
  .index { min-width: 100%; }

  .controls {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 12px;
    gap: 8px;
  }
  .controls-row { gap: 8px; }

  .search-icon { display: inline-flex; }
  /* La recherche s'efface : un appui sur la loupe la déploie sur une ligne dédiée. */
  .search-box { display: none; max-width: none; order: 99; flex: 0 0 100%; }
  .controls.search-open .search-box { display: block; }

  .periods { flex: 1; justify-content: space-between; padding: 3px; }
  .period-btn { flex: 1; padding: 7px 4px; font-size: 12px; }

  /* La sélection du nombre de colonnes n'a pas de sens sur mobile :
     l'option est cachée et la grille reste sur une seule colonne. */
  .opt-cols { display: none; }
  .grid, .grid[data-cols] { grid-template-columns: 1fr; }
}