/* ══════════════════════════════════════════════════
   Simulation pédagogique — Physique-Chimie Lycée
   Auteur  : Mathieu Berdous
   Licence : CC BY-NC 4.0 — https://creativecommons.org/licenses/by-nc/4.0/
══════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════
   Reset & base
══════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
html { height: 100%; }
body {
  background: #e8e4de;
  color: #2c3e50;
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 14px;
  /* dvh : suit la hauteur réellement visible (barres dynamiques du navigateur) ;
     vh reste le repli pour les navigateurs sans support dvh. */
  height: 100vh;
  max-height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════
   Grille principale
══════════════════════════════════════════════════ */
main {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr clamp(200px, 22vw, 300px);
  grid-template-rows: 1fr;
  overflow: hidden;
  position: relative;
}

/* ── Colonne gauche ── */
#left-col {
  grid-row: 1; grid-column: 1;
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
#left-top {
  flex: 3; min-height: clamp(80px, 18vh, 160px); overflow: hidden;
  position: relative; display: flex; flex-direction: column;
}
#left-bottom {
  flex: 2; min-height: clamp(60px, 14vh, 120px); overflow: hidden;
  position: relative; display: flex; flex-direction: column;
}

/* ── Splitter draggable ── */
#left-splitter {
  flex: 0 0 6px;
  background: #c8c0b4;
  cursor: row-resize;
  position: relative; z-index: 20;
  transition: background 0.15s;
}
#left-splitter:hover, #left-splitter.dragging { background: #2a6aaa; }

/* ── Panneau droit ── */
#panel {
  background: #e8e4de;
  display: flex; flex-direction: column;
  overflow: hidden; min-height: 0;
  grid-row: 1; grid-column: 2;
  font-size: clamp(11px, 1.1vw, 14px);
}
#panel-body {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 14px 14px;
  display: flex; flex-direction: column; gap: 10px;
  border: 1.5px solid #b0a898; border-top: none;
  background: #e8e4de;
}

/* ══════════════════════════════════════════════════
   ZONES MODE DISCRET
══════════════════════════════════════════════════ */
#sim-area {
  background: #fdf8f0;
  border-right: 1px solid #c8c0b4;
  overflow: hidden; flex: 1; min-height: 0;
  position: relative; display: none;
}
#sim-area.visible { display: flex; flex-direction: column; }
#dice-canvas { display: block; width: 100%; height: 100%; }

#auto-graph-area {
  display: none; flex: 1; min-height: 0;
  background: #faf9f6; border-right: 1px solid #c8c0b4;
  flex-direction: column; overflow: hidden; position: relative;
}
#auto-graph-area.visible { display: flex; }

#graph-btns-auto {
  position: absolute; top: 10px; right: 26px;
  z-index: 10;
  display: flex; flex-direction: row; gap: 6px; align-items: center;
}
#graph-btns-auto button {
  height: 30px; padding: 0 12px; font-weight: 700; line-height: 30px;
  background: #e8e4de; color: #5a6a78;
  border: 1px solid #b0a898; border-radius: 5px;
  cursor: pointer; box-sizing: border-box; white-space: nowrap;
}
#btn-reticule-auto { font-size: 20px; padding: 0 10px !important; }
#btn-prev-auto     { font-size: 16px; }
#btn-zoom-auto     { font-size: 16px; }
#btn-zoom-auto.active     { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }
#btn-reticule-auto.active { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }
#btn-tangente-auto.active { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }
#graph-btns-auto button:hover { background: #d0ccc4; color: #2c3e50; }
#btn-zoom-auto.active:hover     { background: #1a5a9a; color: #fff; }
#btn-reticule-auto.active:hover { background: #1a5a9a; color: #fff; }
#btn-prev-auto:disabled         { opacity: 0.35; cursor: not-allowed; }
#btn-prev-auto:disabled:hover   { background: #e8e4de; color: #5a6a78; }

#reticule-tooltip-auto {
  display: none; position: absolute; z-index: 50;
  background: #2c3e50; color: #fff;
  font-size: 13px; font-family: monospace;
  padding: 5px 10px; border-radius: 5px;
  pointer-events: none; white-space: nowrap; line-height: 1.6;
}

#graph-area {
  flex: 1; min-height: 0;
  background: #faf9f6;
  border-top: 1px solid #c8c0b4; border-right: 1px solid #c8c0b4;
  display: none; gap: 0; overflow: hidden;
}
#graph-area.visible { display: flex; }

#legend-area {
  display: none; flex: 1; min-height: 0;
  background: #faf9f6;
  border-top: 1px solid #c8c0b4; border-right: 1px solid #c8c0b4;
  padding: 10px 14px; overflow-y: auto;
  flex-direction: column; gap: 10px;
}
#legend-area.visible { display: flex; }

/* ══════════════════════════════════════════════════
   ZONES MODE CONTINU
══════════════════════════════════════════════════ */
#continu-graph-area {
  display: none; flex: 1; min-height: 0;
  background: #faf9f6; border-right: 1px solid #c8c0b4;
  flex-direction: column; overflow: hidden; position: relative;
}
#continu-graph-area.visible { display: flex; }

#continu-graph-canvas {
  flex: 1; min-height: 0; display: block;
  background: #ffffff; border: 1px solid #c8c0b4; border-radius: 3px;
  width: calc(100% - 16px); margin: 6px 8px 4px; cursor: crosshair;
}

#graph-btns-continu {
  position: absolute; top: 10px; right: 26px; z-index: 10;
  display: flex; flex-direction: row; gap: 6px; align-items: center;
}
#graph-btns-continu button {
  height: 30px; padding: 0 12px; font-weight: 700; line-height: 30px;
  background: #e8e4de; color: #5a6a78;
  border: 1px solid #b0a898; border-radius: 5px;
  cursor: pointer; box-sizing: border-box; white-space: nowrap;
}
#btn-reticule-continu { font-size: 20px; padding: 0 10px !important; }
#btn-prev-continu     { font-size: 16px; }
#btn-zoom-continu     { font-size: 16px; }
#btn-autoscale-continu { font-size: 13px; }

#btn-zoom-continu.active     { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }
#btn-reticule-continu.active { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }
#btn-tangente-continu.active { background: #2a6aaa; color: #fff; border-color: #1a5a9a; }

#graph-btns-continu button:hover      { background: #d0ccc4; color: #2c3e50; }
#btn-zoom-continu.active:hover        { background: #1a5a9a; color: #fff; }
#btn-reticule-continu.active:hover    { background: #1a5a9a; color: #fff; }
#btn-prev-continu:disabled            { opacity: 0.35; cursor: not-allowed; }
#btn-prev-continu:disabled:hover      { background: #e8e4de; color: #5a6a78; }

#reticule-tooltip {
  display: none; position: absolute; z-index: 50;
  background: #2c3e50; color: #fff;
  font-size: 13px; font-family: monospace;
  padding: 5px 10px; border-radius: 5px;
  pointer-events: none; white-space: nowrap; line-height: 1.6;
}

#continu-bottom-area {
  display: none; flex: 1; min-height: 0;
  background: #faf9f6;
  border-top: 1px solid #c8c0b4; border-right: 1px solid #c8c0b4;
  flex-direction: row; overflow: hidden;
}
#continu-bottom-area.visible { display: flex; }

/* ── Récipient ── */
#recipient-wrap {
  flex: 0 0 auto; width: clamp(240px, 30vw, 340px);
  display: flex; flex-direction: column; align-items: center;
  justify-content: flex-start;
  padding: 8px 10px; border-right: 1px solid #c8c0b4; gap: 4px; overflow: hidden;
}
#recipient-canvas {
  display: block; border: 1px solid #c8c0b4; border-radius: 4px;
  background: #fff; flex-shrink: 1; min-height: 0;
}
#recipient-label {
  font-size: 13px; font-weight: 700; color: #7a8a96;
  text-transform: uppercase; letter-spacing: 1px; flex-shrink: 0;
}
#recipient-time {
  font-size: 16px; color: #2a5080; font-variant-numeric: tabular-nums;
  font-weight: 700; white-space: nowrap; text-align: center;
  width: 160px; height: 28px; line-height: 28px;
  background: #fff; border: 1px solid #c8c0b4; border-radius: 4px;
  flex-shrink: 0; overflow: hidden;
}
#recipient-info-row {
  display: flex; flex-direction: column; gap: 4px; flex-shrink: 0; align-items: center;
}
#recipient-stats { display: flex; gap: 8px; flex-shrink: 0; }
.recipient-stat {
  font-size: 14px; font-variant-numeric: tabular-nums; font-weight: 600;
  white-space: nowrap; text-align: center;
  width: 160px; height: 26px; line-height: 26px;
  border-radius: 4px; overflow: hidden;
}
.recipient-stat.intact    { background: #eceae4; color: #5a6a78; border: 1px solid #c8c0b4; }
.recipient-stat.desintegre { background: #f5ddd5; color: #8a3010; border: 1px solid #d0a090; }

/* Version agrandie dans l'overlay */
#recipient-overlay #recipient-overlay-label {
  font-size: 16px; font-weight: 700; color: #7a8a96;
  text-transform: uppercase; letter-spacing: 1px; flex-shrink: 0;
}
#recipient-overlay #recipient-overlay-time {
  font-size: clamp(28px, 5vw, 64px); color: #2a5080; font-variant-numeric: tabular-nums;
  font-weight: 700; white-space: nowrap; text-align: center;
  width: auto; max-width: 100%; padding: 0 clamp(14px, 2vw, 40px);
  height: auto; line-height: 1.4;
  background: #fff; border: 1px solid #c8c0b4; border-radius: 6px;
  flex-shrink: 0; overflow: hidden;
}
#recipient-overlay-stats .recipient-stat {
  font-size: clamp(24px, 4.5vw, 56px); width: auto; max-width: 100%; height: auto; line-height: 1.4;
  padding: 0 clamp(12px, 1.5vw, 30px); border-radius: 6px;
}
#recipient-overlay-info-row {
  display: flex; flex-direction: row; gap: 16px; flex-shrink: 0;
  align-items: center; justify-content: center;
  /* les blocs temps + compteurs passent à la ligne plutôt que de déborder */
  flex-wrap: wrap; max-width: 100%;
}

/* ── Légende continu ── */
#continu-legend-area {
  flex: 1; min-width: 0; padding: 10px 14px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
}

/* ══════════════════════════════════════════════════
   COMPOSANTS COMMUNS (graphes auto)
══════════════════════════════════════════════════ */
#btn-autoscale { font-size: 13px; }
#btn-autoscale:hover { background: #d0ccc4; color: #2c3e50; }

#auto-graph-canvas {
  flex: 1; min-height: 0; display: block;
  background: #ffffff; border: 1px solid #c8c0b4; border-radius: 3px;
  width: calc(100% - 16px); margin: 6px 8px 4px; cursor: crosshair;
}

/* ══════════════════════════════════════════════════
   LÉGENDES (commun discret + continu)
══════════════════════════════════════════════════ */
.legend-header {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: #7a8a96; flex-shrink: 0;
}
.legend-row {
  display: flex; align-items: center; gap: 14px;
  padding: 8px 12px;
  background: #fff; border: 1px solid #c8c0b4; border-radius: 5px;
  flex-shrink: 0; font-size: 18px;
}
.legend-swatch { width: 30px; height: 18px; border-radius: 3px; flex-shrink: 0; }
.legend-label  { flex: 1; color: #2c3e50; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.legend-item   { white-space: nowrap; }
.legend-toggle {
  padding: 3px 10px; font-size: 17px; border: 1px solid #c8c0b4;
  border-radius: 4px; cursor: pointer; background: #e8e4de; color: #5a6a78;
  white-space: nowrap; flex-shrink: 0;
}
.legend-toggle.on { background: #d0dce8; color: #1a3a5a; border-color: #a0b8d0; }
.legend-hide {
  padding: 3px 10px; font-size: 17px; border: 1px solid #c8c0b4;
  border-radius: 4px; cursor: pointer; background: #e8e4de; color: #5a6a78; flex-shrink: 0;
}
.legend-hide:hover { background: #d0ccc4; color: #2c3e50; }
.legend-hide.hidden { background: #2c3e50; color: #fff; border-color: #1a2a38; }
.legend-hide.hidden:hover { background: #1a2a38; }
.legend-del {
  padding: 3px 10px; font-size: 17px; border: 1px solid #c8b8b0;
  border-radius: 4px; cursor: pointer; background: #ead8d0; color: #8a3010; flex-shrink: 0;
}
.legend-del:hover { background: #c05020; color: #fff; border-color: #8a3010; }

/* ══════════════════════════════════════════════════
   TABLEAU DES LANCERS (mode libre discret)
══════════════════════════════════════════════════ */
#table-wrap {
  flex: 1; min-width: 0; overflow: auto;
  border-right: 1px solid #c8c0b4; padding: 6px 8px;
}
#table-wrap table {
  border-collapse: collapse; font-size: 12px; width: 100%; min-width: 400px;
}
#table-wrap table th, #table-wrap table td {
  border: 1px solid #c8c0b4; padding: 3px 7px;
  text-align: right; white-space: nowrap;
}
#table-wrap table th {
  background: #e8e4de; font-weight: 700; color: #2c3e50;
  text-align: center; position: sticky; top: 0; z-index: 1;
}
#table-wrap table td:first-child, #table-wrap table th:first-child {
  text-align: left; font-weight: 600; color: #2a6aaa;
}
#table-wrap table tr:nth-child(even) { background: #f0ede8; }
#table-wrap table tr:hover { background: #e0ddd8; }
#table-wrap table td:last-child, #table-wrap table th:last-child {
  color: #b04020; font-weight: 700;
}

#graph-wrap {
  flex: 1; min-width: 0; display: flex; flex-direction: column;
  padding: 6px 8px; gap: 4px; overflow: hidden;
}
#graph-wrap .graph-title { font-size: 12px; font-weight: 700; color: #2c3e50; flex-shrink: 0; }
#graph-canvas {
  flex: 1; min-height: 0; display: block;
  background: #ffffff; border: 1px solid #c8c0b4; border-radius: 3px;
  width: 100%; cursor: crosshair;
}

/* ══════════════════════════════════════════════════
   PANNEAU DROIT — styles communs
══════════════════════════════════════════════════ */
.panel-main-tabs { display: flex; gap: 0; flex-shrink: 0; }
.panel-main-tab {
  flex: 1; padding: 9px 4px; font-size: clamp(12px, 1.2vw, 15px); font-weight: 700; cursor: pointer;
  border: 1.5px solid transparent; border-bottom: none;
  background: #d4d0c8; color: #8a9aaa; text-align: center;
  transition: background 0.12s, color 0.12s;
}
.panel-main-tab:hover:not(.active) { background: #ccc8c0; color: #5a6a78; }
.panel-main-tab.active {
  background: #e8e4de; color: #2a6aaa; border-color: #b0a898;
  border-bottom: 1.5px solid #e8e4de;
  position: relative; z-index: 1; margin-bottom: -1.5px;
}
.panel-main-tab-bar-wrapper { flex-shrink: 0; }

.section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: #7a8a96; margin-bottom: 4px;
}
.param-row { display: flex; flex-direction: column; gap: 3px; margin-bottom: 6px; }
.param-row label { display: flex; justify-content: space-between; font-size: clamp(12px, 1.15vw, 15px); color: #2c3e50; }
.param-row label span { color: #2a5080; font-weight: 600; }
input[type=range] { width: 100%; accent-color: #4a7aaa; cursor: pointer; }
input[type=number], input[type=text] {
  width: 100%; padding: 5px 8px; border: 1px solid #c8c0b4;
  border-radius: 4px; font-size: clamp(13px, 1.3vw, 16px); background: #fff; color: #2c3e50; font-family: inherit;
}
input[type=number]:focus, input[type=text]:focus { outline: none; border-color: #4a7aaa; }

.mode-tabs {
  display: flex; gap: 0; border: 1px solid #c8c0b4; border-radius: 6px; overflow: hidden;
}
.mode-tab {
  flex: 1; padding: 8px 4px; font-size: clamp(12px, 1.2vw, 15px); font-weight: 700; cursor: pointer;
  border: none; background: #dedad2; color: #5a6a78; text-align: center;
  transition: background 0.15s, color 0.15s;
}
.mode-tab.active { background: #2a6aaa; color: #fff; }
.mode-tab:first-child { border-radius: 5px 0 0 5px; }
.mode-tab:last-child  { border-radius: 0 5px 5px 0; }

.btn {
  width: 100%; padding: 9px 6px; border: 1px solid transparent;
  border-radius: 6px; font-size: clamp(13px, 1.3vw, 16px); font-weight: 700; cursor: pointer;
  transition: opacity 0.2s, transform 0.1s; letter-spacing: 0.3px;
  text-align: center; display: block;
}
.btn:active { transform: scale(0.97); }
.btn-raz { background: #dedad2; color: #5a6a78; border-color: #b0a898; }
.btn-raz:hover { background: #d0ccc4; color: #2c3e50; }
.btn-lancer-tous { background: #d0dce8; color: #1a3a5a; border-color: #a0b8d0; }
.btn-lancer-tous:hover { background: #b8ccde; }
.btn-lancer-gris { background: #2a6aaa; color: #fff; border-color: #1a5a9a; font-size: clamp(14px, 1.4vw, 18px); padding: 12px 6px; }
.btn-lancer-gris:hover { background: #1a5a9a; }
.btn-lancer-gris:disabled { background: #a0b8c8; border-color: #8098a8; cursor: not-allowed; }
.btn-ajouter { background: #d0e8d8; color: #1a4a2a; border-color: #90b8a0; font-size: clamp(13px, 1.3vw, 16px); padding: 9px 6px; }
.btn-ajouter:hover { background: #b0d8b8; }
.btn-ajouter:disabled { background: #c8d8cc; border-color: #a0b8a8; color: #6a8a76; cursor: not-allowed; }
.btn-auto-run { background: #2a6aaa; color: #fff; border-color: #1a5a9a; font-size: clamp(14px, 1.4vw, 18px); padding: 12px 6px; }
.btn-auto-run:hover { background: #1a5a9a; }
.btn-play { background: #2a8a50; color: #fff; border-color: #1a6a38; font-size: clamp(14px, 1.4vw, 18px); padding: 12px 6px; }
.btn-play:hover { background: #1a7040; }
.btn-pause { background: #c08020; color: #fff; border-color: #a06010; font-size: clamp(14px, 1.4vw, 18px); padding: 12px 6px; }
.btn-pause:hover { background: #a06010; }
.btn-pause:disabled { background: #c8c4bc; border-color: #a8a09a; color: #8a8a8a; cursor: not-allowed; }
.btn-reset-continu { background: #dedad2; color: #5a6a78; border-color: #b0a898; }
.btn-reset-continu:hover { background: #d0ccc4; color: #2c3e50; }
.btn-toggle-graph { background: #e8e4de; color: #2c3e50; border-color: #b0a898; font-size: clamp(12px, 1.2vw, 15px); padding: 7px 6px; }
.btn-toggle-graph.active { background: #d0dce8; color: #1a3a5a; border-color: #a0b8d0; }
.btn-toggle-graph:hover { background: #d0ccc4; }

.mode-section { display: none; }
.mode-section.visible { display: flex; flex-direction: column; gap: 8px; }
.panel-main-section { display: none; }
.panel-main-section.visible { display: flex; flex-direction: column; gap: 10px; flex: 1; }

.readout {
  background: #fff; border: 1px solid #c8c0b4; border-radius: 6px;
  padding: 7px 9px; display: flex; justify-content: space-between; align-items: center;
}
.readout .ro-label { font-size: clamp(11px, 1vw, 13px); color: #7a8a96; }
.readout .ro-value { font-size: clamp(15px, 1.6vw, 20px); font-weight: 700; color: #2a5080; font-variant-numeric: tabular-nums; }

.panel-hint {
  flex-shrink: 0; color: #5a6a78; line-height: 1.5;
  background: #fff; border: 1.5px solid #b0a898; overflow: hidden; transition: padding 0.2s;
}
.panel-hint-header { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; }
.panel-hint-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #7a8a96; margin-left: auto; margin-right: 6px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel-hint-menu-btn {
  background: #f0f4f7; border: 1px solid #c8d4dc; border-radius: 6px; cursor: pointer;
  font-size: 11px; font-weight: 600; color: #4a5a68; padding: 4px 9px; line-height: 1.2;
  transition: background 0.15s, color 0.15s; white-space: nowrap;
}
.panel-hint-menu-btn:hover { background: #dde6ec; color: #2a6aaa; }
.panel-hint-toggle {
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: #7a8a96; padding: 0 2px; line-height: 1; transition: transform 0.2s;
}
.panel-hint-toggle:hover { color: #2a6aaa; }
.panel-hint-body { font-size: clamp(12px, 1.15vw, 15px); padding: 0 10px 8px; overflow: hidden; transition: max-height 0.25s ease, padding 0.25s ease; max-height: 200px; }
.panel-hint.collapsed .panel-hint-body { max-height: 0; padding-top: 0; padding-bottom: 0; }
.panel-hint.collapsed .panel-hint-header { padding-bottom: 6px; }
.panel-hint:not(.collapsed) .panel-hint-toggle { transform: rotate(180deg); }

.input-hint { font-size: clamp(10px, 0.9vw, 13px); color: #7a8a96; margin-top: 2px; }
.sep { border: none; border-top: 1px solid #c8c0b4; margin: 2px 0; }

/* Étiquettes tangentes figées */
.tangente-label {
  position: absolute; background: rgba(44,62,80,0.85); color: #fff;
  font-size: 12px; font-family: monospace; padding: 3px 22px 3px 8px;
  border-radius: 4px; pointer-events: none; white-space: nowrap; line-height: 1.5; z-index: 40;
}
.tangente-label .tan-close {
  position: absolute; top: 2px; right: 4px;
  font-size: 11px; font-weight: 700; color: #aaa; cursor: pointer; pointer-events: all; line-height: 1;
}
.tangente-label .tan-close:hover { color: #fff; }

#auto-progress { font-size: 14px; color: #2a6aaa; font-style: italic; text-align: center; }
#auto-series-count { font-size: 14px; color: #7a8a96; text-align: center; }

.speed-row { display: flex; align-items: center; gap: 8px; }
.speed-label { font-size: 14px; color: #7a8a96; white-space: nowrap; }
.speed-val { font-size: 14px; font-weight: 700; color: #2a5080; white-space: nowrap; min-width: 36px; text-align: right; }

#continu-time-display {
  background: #fff; border: 1px solid #c8c0b4; border-radius: 6px;
  padding: 6px 9px; font-size: 13px; color: #5a6a78; text-align: center;
  font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Bouton agrandissement récipient ── */
#btn-expand-recipient {
  position: absolute; top: 4px; right: 4px; z-index: 5;
  padding: 1px 5px; font-size: 11px; font-weight: 700;
  background: #e8e4de; color: #5a6a78;
  border: 1px solid #b0a898; border-radius: 3px; cursor: pointer;
}
#btn-expand-recipient:hover { background: #d0ccc4; color: #2c3e50; }

/* ── Overlay récipient agrandi ── */
#recipient-overlay {
  display: none; position: absolute; top: 0; left: 0;
  /* même formule que la colonne panneau de la grille : l'overlay colle au panneau */
  right: clamp(200px, 22vw, 300px); bottom: 0; z-index: 30;
  background: #faf9f6; border: 2px solid #2a6aaa;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 12px;
}
#recipient-overlay.visible { display: flex; }
#recipient-overlay #recipient-canvas-big {
  display: block; background: #fff; border: 2px solid #c8c0b4; border-radius: 8px;
  flex: 1; min-height: 0; width: 100%;
}
#btn-close-recipient-overlay {
  position: absolute; top: 8px; right: 12px; z-index: 35;
  padding: 5px 14px; font-size: 13px; font-weight: 700;
  background: #e8e4de; color: #5a6a78;
  border: 1px solid #b0a898; border-radius: 5px; cursor: pointer;
}
#btn-close-recipient-overlay:hover { background: #d0ccc4; color: #2c3e50; }
#recipient-overlay-label {
  font-size: 12px; font-weight: 700; color: #7a8a96;
  text-transform: uppercase; letter-spacing: 1px; flex-shrink: 0;
}
#recipient-overlay-stats {
  display: flex; gap: 10px; flex-shrink: 0; flex-wrap: wrap; justify-content: center;
  max-width: 100%;
}