/* ----------------------------------------------------
    Backtesting Tool — CSS REVISÉ (Layout Robuste + UX Améliorée)
 ---------------------------------------------------- */

 .backtest-app {
   --primary-color: #00838f;
   --accent-color: #8E24AA;
   --text-color: #333;
   --bg-color: #F5F7FA;
   --card-bg: #FFFFFF;
   --border-color: #E0E0E0;
   --success-color: #4CAF50;
   --error-color: #F44336;

   /* NOUVEAU : Variables de Layout UX */
   --sidebar-width: 320px; /* Réduit de 360px */
   --layout-gap: 1.5rem;

   font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
   color: var(--text-color);
   background-color: var(--bg-color);
   padding-bottom: 4rem;
 }

 /* ---------- Header / Layout (Inchangé) ---------- */
 .backtest-header{background:#fff;padding:1.5rem 2rem;border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px rgba(0,0,0,.02)}
 .backtest-header h1{margin:0;font-size:1.75rem;font-weight:700;color:var(--primary-color)}
 .backtest-wrapper{display:flex;gap:var(--layout-gap);padding:1.5rem 2rem 2rem;max-width:1600px;margin:0 auto}

 .backtest-main{
    flex:1;
    min-width: 0;
}

 /* ---------- Sidebar (Inchangé) ---------- */
 .backtest-sidebar-container{
   flex:0 0 var(--sidebar-width);
   align-self:flex-start;
   z-index:5;
   transition: flex-basis 0.3s ease-in-out, margin-left 0.3s ease-in-out;
   overflow: hidden;
 }

 @media (min-width: 1201px) {
    .backtest-app.sidebar-toggle-supported.sidebar-collapsed .backtest-sidebar-container {
        flex-basis: 0;
        margin-left: calc(var(--layout-gap) * -1);
    }
 }


 .backtest-sidebar{
   background:var(--card-bg);
   border-radius:12px;
   box-shadow:0 4px 20px rgba(0,0,0,.05);
   width: var(--sidebar-width);
 }

 .backtest-sidebar-content{
   padding:1.5rem;
 }

 .backtest-sidebar-footer{
   position: relative;
   z-index:2;
   background:var(--card-bg);
   border-top:1px solid var(--border-color);
   padding:1rem 1.5rem;
   border-radius:0 0 12px 12px;
 }

 /* ---------- Sections & Boutons (Inchangé) ---------- */
 .config-section{margin-bottom:1.5rem}
 .config-section h5{font-weight:600;margin-bottom:1rem;color:var(--text-color);border-bottom:2px solid #f0f0f0;padding-bottom:.5rem}

 #launch-analysis-btn{font-size:1.1rem;font-weight:600;padding:.8rem 1.5rem;background:var(--accent-color);border-color:var(--accent-color);transition:background-color .3s}
 #launch-analysis-btn:hover{background:#7B1FA2}
 #launch-analysis-btn:disabled{background:var(--accent-color);border-color:var(--accent-color);opacity:.7;cursor:not-allowed}

 /* ---------- Top N (Inchangé) ---------- */
 .top-n-selector{display:flex;border:1px solid var(--primary-color);border-radius:8px;overflow:hidden}
 .top-n-item{flex:1;text-align:center}
 .top-n-item input[type="radio"]{display:none}
 .top-n-item label{display:block;padding:.5rem 0;cursor:pointer;background:#fff;color:var(--primary-color);transition:background .2s,color .2s;font-weight:500;font-size:.9rem;margin-bottom:0}
 .top-n-item input[type="radio"]:checked + label{background:var(--primary-color);color:#fff}

 /* ---------- Filtres & Sliders (Sidebar) (Inchangé) ---------- */
 .filter-group{margin-bottom:1.2rem;position:relative;z-index:1}
 .filter-group:has(.choices.is-open){z-index:3501}
 .choices{margin-bottom:0;font-size:.9rem}
 .choices.is-disabled .choices__inner,.choices.is-disabled .choices__input{background:#e9ecef;cursor:not-allowed}
 .choices__inner{background:#fff;border:1px solid #ced4da;border-radius:6px;min-height:38px;padding:4px 8px}
 .choices__list--multiple .choices__item{background:var(--primary-color);border:1px solid var(--primary-color);border-radius:4px;color:#fff;font-size:.8rem}
 .choices__list--dropdown,.choices__list[aria-expanded]{border-radius:0 0 6px 6px;border-color:#ced4da;background:#fff}

 .slider-container{padding:0 30px;margin-top:3rem;margin-bottom:1rem}
 .noUi-target{border-radius:4px;background:#FAFAFA;border:1px solid #D3D3D3}
 .noUi-connect{background:var(--primary-color)}
 .noUi-handle{border-radius:50%;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.2);border:1px solid #ccc;cursor:pointer;width:18px;height:18px;top:-6px;right:-9px}
 .noUi-handle:before,.noUi-handle:after{display:none}
 .noUi-tooltip{font-size:.75rem;padding:5px 8px;background:#fff;border:1px solid var(--primary-color);border-radius:4px;color:var(--text-color)}


 /* ---------- Loading overlay (Inchangé) ---------- */
 #loading-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(5px);z-index:9999;justify-content:center;align-items:center}
 .loading-card{background:#fff;padding:3rem;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.2);text-align:center;max-width:600px;width:90%;display:flex;flex-direction:column;align-items:center}
 .spinner-border-lg{width:4rem;height:4rem;color:var(--primary-color);margin-bottom:1.5rem}
 .spinner-border-sm{width:1rem;height:1rem;border-width:.2em}
 #loading-message{font-size:1.5rem;font-weight:600;color:var(--text-color);margin-bottom:1.5rem}
 .progress-container{width:100%;margin-bottom:2rem}
 .progress{height:20px;background:#e9ecef;border-radius:10px;overflow:hidden;margin-bottom:.5rem}
 .progress-bar{background:var(--primary-color);transition:width .4s}
 @keyframes progress-bar-stripes{from{background-position:1rem 0}to{background-position:0 0}}
 .progress-bar-striped{background-image:linear-gradient(45deg, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);background-size:1rem 1rem}
 .progress-bar-animated{animation:progress-bar-stripes 1s linear infinite}
 #did-you-know-container{background:#E0F7FA;padding:1rem;border-radius:8px;margin-top:1.5rem;margin-bottom:1rem;border-left:4px solid var(--primary-color);width:100%}
 #did-you-know-container h5{color:var(--primary-color);font-weight:600;font-size:1rem}
 #did-you-know-text{font-size:.9rem;color:var(--text-color)}
 #filters-loading-indicator{text-align:center;padding:1rem;color:var(--primary-color);background:#E0F7FA;border-radius:6px;margin-bottom:1rem}

 /* ---------- Résultats (Inchangé) ---------- */
 .results-card{background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.05);padding:1.5rem;margin-bottom:1.5rem}
 .results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}
 .results-header h3{font-size:1.5rem;font-weight:600;margin:0}
 #results-formula-name{color:var(--accent-color)}
 #active-filters-display{background:#E0F7FA;color:var(--primary-color);padding:.75rem 1rem;border-radius:6px;margin-bottom:1.5rem;font-size:.9rem;border-left:4px solid var(--primary-color)}
 .results-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
 .summary-card{padding:1rem;border:1px solid var(--border-color);border-radius:8px;background:#FAFAFA;text-align:center;transition:transform .3s,box-shadow .3s}
 .summary-card:hover{transform:translateY(-3px);box-shadow:0 6px 15px rgba(0,0,0,.08)}
 .summary-card h4{font-size:.85rem;color:#757575;margin-bottom:.75rem;font-weight:500;text-transform:uppercase}
 .summary-card p.value{font-size:1.8rem;font-weight:700;margin-bottom:.25rem}
 .summary-card p.extra{font-size:.85rem;color:#9E9E9E;margin-bottom:0}

 .summary-card p.value.positive {
    color: #4CAF50;
 }

 .summary-card p.value.negative {
    color: #F44336;
 }

 /* ---------- Zone de filtres dynamiques (Post-Analyse) AMÉLIORÉE ---------- */
.dynamic-filters-container {
    background-color: #F8F9FA;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    position: relative;
    /* CORRECTION Z-INDEX : Priorité supérieure à l'en-tête du tableau (5) */
    z-index: 10;
}

/* CORRECTION Z-INDEX : Augmente fortement lorsque les menus sont ouverts */
.dynamic-filters-container:has(.choices.is-open),
.dynamic-filters-container:has(.flatpickr-calendar.open) {
    z-index: 15;
}

.dynamic-filters-container .form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.dynamic-filters-container .form-control,
.dynamic-filters-container .form-select {
    font-size: 0.9rem;
}

/* CORRECTION LAYOUT : Ajustement pour les inputs numériques (Rang/Score) */
.input-compact {
    width: 85px;
    /* Empêche le flexbox parent de les réduire */
    flex-shrink: 0;
}

/* NOUVEAU : Ajustement pour les selects (Rang/Score) pour éviter qu'ils ne prennent trop de place */
.select-operator {
    /* Donne une largeur minimale raisonnable tout en permettant de s'adapter */
    min-width: 90px;
    flex-shrink: 1;
}


 /* ---------- Tableau détails (AMÉLIORÉ) ---------- */
 .details-table-container{
    max-height:700px;
    overflow:auto;
    border-radius:8px;
    border:1px solid var(--border-color)
}
 .details-table{width:100%;border-collapse:collapse;font-size:.85em}
 .details-table th,.details-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-color);white-space:nowrap}
 /* CORRECTION Z-INDEX : Réduit de 10 à 5 pour rester sous la barre de filtres */
 .details-table thead{position:sticky;top:0;background:var(--primary-color);z-index:5;color:#fff}
 .details-table th{font-weight:600}
 .details-table tbody tr:nth-child(even){background:#F9F9F9}
 .details-table tbody tr:hover{background:#E0F7FA}

 /* ---------- Footer (Inchangé) ---------- */
 footer,.footer,.site-footer{position:relative;z-index:3000}

 /* ---------- Responsive largeur (Inchangé) ---------- */
 @media (max-width:1200px){
    #toggle-sidebar-btn {
        display: none;
    }

   .backtest-wrapper{flex-direction:column;padding:1rem}
   .backtest-sidebar-container{
     width:100%;
     align-self: stretch;
     flex-basis: auto;
     overflow: visible;
     margin-left: 0;
   }
   .backtest-sidebar {
     width: 100%;
   }
   .results-summary{grid-template-columns:repeat(2,1fr)}
 }

 @media (max-width:768px){
   .results-summary{grid-template-columns:1fr}
   .results-header{flex-direction:column;align-items:flex-start;gap:1rem}
   .loading-card{padding:2rem 1.5rem}
   #loading-message{font-size:1.2rem}
 }