/* selecteur-tool.css — à utiliser avec selecteur-membrane.html */
#selecteur-tool .ep-link, #selecteur-tool .ep-link:visited,
    #selecteur-tool .sel-btn, #selecteur-tool .sel-btn-reset,
    #selecteur-tool .step-btn, #selecteur-tool .pf-btn, #selecteur-tool .pf-preset-btn { border-bottom: none !important; }
    #selecteur-tool .sel-btn, #selecteur-tool .sel-btn:visited,
    #selecteur-tool .step-btn.active, #selecteur-tool .step-btn.active:visited { color: #ffffff !important; text-decoration: none; }
    #selecteur-tool .sel-btn:hover, #selecteur-tool .step-btn.active:hover { color: #ffffff !important; }
    #selecteur-tool .sel-btn-reset, #selecteur-tool .sel-btn-reset:visited { color: #a8c8e8 !important; }
    #selecteur-tool .badge-atex, #selecteur-tool .badge-atex:visited,
    #selecteur-tool .ep-ref, #selecteur-tool .ep-ref:visited { color: #ffffff !important; border-bottom: none !important; }

    #selecteur-tool { width: 100%; box-sizing: border-box; }

    .sel-card { background: #fff; border-radius: 10px; box-shadow: var(--ombre); overflow: visible; margin-bottom: 20px; }
    .sel-card > .sel-card-head { border-radius: 10px 10px 0 0; }
    #perf-card { overflow: visible; }
    .sel-card-head { padding: 13px 22px; background: var(--bleu); color: #fff; font-family: Tahoma, sans-serif; font-size: .83em; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
    .sel-card-body { padding: 20px 22px; }

    .sel-intro { padding: 20px 22px 16px; background: var(--fond); border-radius: 10px; box-shadow: var(--ombre); margin-bottom: 20px; }
    .sel-intro h2 { margin: 0 0 10px; color: var(--bleu); }
    .sel-intro p { margin: 0 0 10px; font-size: .93em; text-indent: 0; color: #444; }
    .sel-intro p:last-child { margin: 0; }

    .sel-steps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
    .sel-step-label { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 20px; background: #fff; box-shadow: var(--ombre); font-family: Tahoma, sans-serif; font-size: .78em; font-weight: 700; color: #999; }
    .sel-step-label.active { background: var(--bleu); color: #fff; }
    .sel-step-label.done { background: var(--vert-pale); color: var(--vert); }
    .sel-step-num { width: 20px; height: 20px; border-radius: 50%; background: rgba(0,0,0,.08); display: flex; align-items: center; justify-content: center; font-size: .85em; }
    .sel-step-label.active .sel-step-num { background: rgba(255,255,255,.25); }

    .sel-choice-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(180px,1fr)); gap: 12px; margin-bottom: 8px; }
    .step-btn { padding: 14px 16px; background: #fff; border: 2px solid var(--bleu-med); border-radius: 8px; cursor: pointer; text-align: left; transition: all .18s; box-shadow: 0 2px 6px rgba(0,0,0,.07); }
    .step-btn:hover { border-color: var(--bleu-clair); transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0,0,0,.15); }
    .step-btn.active { background: var(--bleu); border-color: var(--bleu-clair); box-shadow: 0 0 0 3px rgba(65,152,202,.3); }
    .step-btn.active .st-title, .step-btn.active .st-desc { color: #fff; }
    .st-title { font-family: Tahoma, sans-serif; font-size: .92em; font-weight: 700; color: var(--bleu); }
    .st-desc { font-family: Tahoma, sans-serif; font-size: .74em; color: #888; margin-top: 4px; line-height: 1.4; }

    .sel-btns { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 16px 0; }
    .sel-btn-reset { padding: 11px 18px; background: transparent; color: var(--bleu-med); border: 2px solid var(--bleu-med); border-radius: 6px; font-family: Tahoma, sans-serif; font-size: .88em; cursor: pointer; transition: border-color .2s, color .2s; }
    .sel-btn-reset:hover { border-color: var(--bleu); color: var(--bleu); }

    #sel-results { display: none; }
    #sel-results.sel-results-show { display: block !important; position: static !important; background: transparent !important; padding: 0 !important; z-index: auto !important; width: auto !important; max-width: none !important; left: auto !important; right: auto !important; overflow: visible !important; }

    .sel-verdict { padding: 24px 26px; border-radius: 12px; margin-bottom: 16px; box-shadow: var(--ombre-forte); display: flex; align-items: center; gap: 20px; flex-wrap: wrap; background: var(--vert); color: #fff; }
    .sel-verdict-ref { font-family: 'Courier New', monospace; font-size: 1.6em; font-weight: 900; letter-spacing: .02em; }
    .sel-verdict-sub { font-family: Tahoma, sans-serif; font-size: .88em; opacity: .9; line-height: 1.5; margin-top: 4px; }
    .sel-verdict .badge-atex { background: var(--atex); padding: 4px 12px; border-radius: 14px; font-family: Tahoma, sans-serif; font-size: .72em; font-weight: 700; letter-spacing: .04em; }

    .sel-hero { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 14px; }
    .sel-hero-card { padding: 18px 16px; border-radius: 10px; box-shadow: var(--ombre-forte); background: var(--bleu); color: #fff; }
    .shc-label { font-family: Tahoma, sans-serif; font-size: .7em; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .72; margin-bottom: 6px; }
    .shc-val { font-family: 'Courier New', monospace; font-size: 1.9em; font-weight: 900; line-height: 1; color: #4198ca; margin-bottom: 3px; }
    .shc-unit { font-family: Tahoma, sans-serif; font-size: .78em; opacity: .68; }

    .sel-detail-table { width: 100%; border-collapse: collapse; font-family: Tahoma, sans-serif; font-size: .84em; }
    .sel-detail-table td { padding: 9px 18px; border-bottom: 1px solid #e8edf2; color: #333; vertical-align: top; }
    .sel-detail-table tr:last-child td { border-bottom: none; }
    .sel-detail-table td:first-child { color: #666; width: 45%; }
    .sel-detail-table td:last-child { font-weight: 700; color: var(--bleu); font-family: 'Courier New', monospace; }
    .sel-detail-table tr:nth-child(even) td { background: #f8fafc; }

    .sel-accessoires { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 12px; margin-top: 4px; }
    .sel-accessoire { padding: 14px 16px; background: #fff; border-radius: 8px; box-shadow: var(--ombre); border-left: 4px solid var(--bleu-clair); }
    .acc-label { font-family: Tahoma, sans-serif; font-size: .7em; font-weight: 700; color: #888; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
    .acc-ref { font-family: 'Courier New', monospace; font-size: 1.1em; font-weight: 900; color: var(--bleu); }
    .acc-desc { font-family: Tahoma, sans-serif; font-size: .78em; color: #666; margin-top: 3px; }

    .sel-legal { padding: 18px 22px; background: var(--orange-pale); border-left: 5px solid var(--orange); border-radius: 10px; box-shadow: var(--ombre); margin-top: 20px; }
    .sel-legal p { font-family: Tahoma, sans-serif; font-size: .83em; color: #555; line-height: 1.7; margin: 0 0 8px; text-indent: 0; }
    .sel-legal p:last-child { margin: 0; }
    .sel-legal strong { color: var(--orange); }

    .sel-noperf { padding: 16px 20px; background: var(--fond); border-radius: 10px; box-shadow: var(--ombre); font-family: Tahoma, sans-serif; font-size: .85em; color: #666; }

    /* ---- Diagramme de performance (intégré au résultat) ---- */
    .pf-intro-note { font-family: Tahoma, sans-serif; font-size: .85em; color: #555; line-height: 1.7; margin-bottom: 16px; }

    .pf-controls { display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 20px; padding: 20px 22px; background: var(--bleu); border-radius: 10px; margin-bottom: 18px; box-shadow: var(--ombre); }
    .pf-field label { display: block; font-family: Tahoma, sans-serif; font-size: .75em; font-weight: 700; color: #a8c8e8; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
    .pf-field input[type=range] { width: 100%; accent-color: var(--bleu-clair); }
    .pf-field-val { font-family: 'Courier New', monospace; color: #fff; font-weight: 700; font-size: 1.1em; margin-top: 6px; }
    .pf-presets { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
    .pf-preset-btn { padding: 5px 12px; background: rgba(255,255,255,.1); border: 1px solid #4a6a8a; border-radius: 14px; color: #a8c8e8; font-family: Tahoma, sans-serif; font-size: .72em; cursor: pointer; transition: background .15s; }
    .pf-preset-btn:hover, .pf-preset-btn.active { background: var(--bleu-clair); color: #fff; border-color: var(--bleu-clair); }

    .pf-chart-wrap { position: relative; user-select: none; touch-action: pan-y; margin-bottom: 10px; }
    .pf-chart-wrap svg { display: block; width: 100%; height: auto; }
#pf-svg-air { margin-top: 14px; }
    .pf-cursor { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--orange); cursor: ew-resize; z-index: 5; }
    .pf-cursor::before { content: '↔'; position: absolute; top: -2px; left: 50%; transform: translateX(-50%); width: 22px; height: 22px; background: var(--orange); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .8em; cursor: ew-resize; }
    .pf-curve { fill: none; stroke-width: 2.5; }
    .pf-curve-A { stroke: #1a3a5c; }
    .pf-curve-B { stroke: #2e6da4; }
    .pf-curve-C { stroke: #4198ca; }
    .pf-curve-D { stroke: #a8c8e8; }
    .pf-curve-interp { fill: none; stroke: var(--orange); stroke-width: 3; stroke-dasharray: 7 5; }
    .pf-axis-line { stroke: #ccc; stroke-width: 1; }
    .pf-axis-text { font-family: Tahoma, sans-serif; font-size: 11px; fill: #666; }
    .pf-panel-title { font-family: Tahoma, sans-serif; font-size: 13px; font-weight: 700; fill: var(--bleu); }

    .pf-legend { display: flex; flex-wrap: wrap; gap: 16px; margin: 4px 0 20px; font-family: Tahoma, sans-serif; font-size: .8em; color: #555; }
    .pf-legend span { display: inline-flex; align-items: center; gap: 6px; }
    .pf-legend i { width: 16px; height: 3px; display: inline-block; border-radius: 2px; }

    .pf-readout { display: grid; grid-template-columns: repeat(auto-fill,minmax(170px,1fr)); gap: 14px; margin-top: 4px; }
    .pf-readout-card { padding: 16px 18px; border-radius: 10px; box-shadow: var(--ombre-forte); background: var(--orange); color: #fff; }
    .pf-readout-card.pf-alt { background: #0d2540; }
    .pf-rc-label { font-family: Tahoma, sans-serif; font-size: .7em; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .8; margin-bottom: 6px; }
    .pf-rc-val { font-family: 'Courier New', monospace; font-size: 1.7em; font-weight: 900; line-height: 1; }
    .pf-rc-unit { font-family: Tahoma, sans-serif; font-size: .78em; opacity: .75; margin-top: 3px; }
    .pf-warn { display: none; margin-top: 12px; padding: 12px 16px; background: var(--rouge-pale); border-left: 5px solid var(--rouge); border-radius: 8px; font-family: Tahoma, sans-serif; font-size: .84em; color: var(--rouge); font-weight: 600; }
    .pf-warn.pf-warn-show { display: block !important; position: static !important; background: var(--rouge-pale) !important; padding: 12px 16px !important; z-index: auto !important; width: auto !important; left: auto !important; right: auto !important; }

    /* ---- FAQ (accordéon natif details/summary) ---- */
    .sel-faq-body { padding-top: 4px; }
    .sel-faq-item { border-bottom: 1px solid #e8edf2; padding: 14px 0; }
    .sel-faq-item:last-child { border-bottom: none; padding-bottom: 4px; }
    .sel-faq-item summary { cursor: pointer; list-style: none; font-family: Tahoma, sans-serif; font-weight: 700; font-size: .92em; color: var(--bleu); padding-right: 26px; position: relative; }
    .sel-faq-item summary::-webkit-details-marker { display: none; }
    .sel-faq-item summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 1.2em; font-weight: 400; color: var(--bleu-med); }
    .sel-faq-item[open] summary::after { content: '−'; }
    .sel-faq-item p { margin: 10px 0 0; font-size: .9em; color: #444; line-height: 1.7; }

    @media (max-width: 700px) {
      .sel-hero { grid-template-columns: 1fr; }
      .sel-choice-grid { grid-template-columns: 1fr 1fr; }
      .pf-controls { grid-template-columns: 1fr; }
      .pf-readout { grid-template-columns: 1fr 1fr; }
    }