.lab-page .bg{z-index:-1}.lab-header{position:relative;z-index:2;background:rgba(7,9,11,.92);border-bottom:1px solid var(--glass-line)}.lab-top{display:flex;align-items:center;gap:24px;justify-content:space-between;min-height:72px}.lab-home{font-family:var(--display);font-size:1.3rem;letter-spacing:.08em}.lab-home span{font-size:.78rem}.lab-main{padding-top:calc(var(--nav-h) + env(safe-area-inset-top) + var(--banner-h) + 28px);padding-bottom:40px}.lab-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.lab-tabs a,.lab-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid var(--glass-line);background:rgba(12,15,17,.9);font-weight:700;font-size:.9rem;color:#f6f6f2;cursor:pointer}.lab-tabs a[aria-current],.lab-tabs a:hover,.lab-button:hover{border-color:var(--red-soft);background:#321719}.lab-primary{background:var(--red);border-color:var(--red)}.lab-panel{min-width:0;padding:clamp(22px,3vw,38px);background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(12px);overflow-wrap:anywhere}.lab-intro{border-left:3px solid var(--red)}.lab-page h1,.lab-page h2,.lab-page h3{font-family:var(--display);line-height:1.05}.lab-page h1{font-size:clamp(2.5rem,6vw,4.8rem);margin:18px 0 24px;text-transform:uppercase;letter-spacing:-.025em}.lab-page h1 em{font-style:normal;color:var(--red-soft)}.lab-page h2{font-size:clamp(1.65rem,3vw,2.3rem);margin:12px 0 16px}.lab-page h3{font-size:1.6rem;margin:16px 0}.lab-panel p{color:#d0d3d4;max-width:78ch}.lab-page .lab-lead{font-size:clamp(1.18rem,2vw,1.55rem);color:#f1f2f2;line-height:1.5}.lab-meta{display:flex;flex-wrap:wrap;gap:12px 24px;padding-top:20px;border-top:1px solid var(--glass-line);color:var(--muted);font-size:.86rem}.lab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}.lab-tool{display:block;transition:border-color .2s}.lab-tool:hover{border-color:var(--red-soft)}.lab-index{color:var(--red-soft);font-size:.73rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.lab-arrow,.lab-inline{font-weight:700;color:#fff;border-bottom:1px solid var(--red);padding-bottom:4px}.lab-arrow{display:inline-block;margin-top:12px}.lab-section{margin-top:32px}.lab-heading{display:flex;gap:18px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}.lab-badge{display:inline-flex;border:1px solid var(--line);background:#171c20;border-radius:3px;padding:6px 10px;color:#d5dadb;font-size:.8rem}.lab-muted{color:var(--muted)!important}.lab-empty{border-left:3px solid #66737c}.lab-call{margin-top:30px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}.lab-actions{display:flex;gap:12px;flex-wrap:wrap}.lab-tiers{grid-template-columns:repeat(4,minmax(0,1fr))}.lab-defs{display:grid;grid-template-columns:minmax(140px,1fr) 3fr;gap:16px 24px}.lab-defs dt{font-weight:700;color:#e0e3e5}.lab-defs dd{margin:0;color:#bcc5ca}.lab-filter{margin-top:24px}.lab-filter label{display:block;margin-bottom:8px;font-weight:700}.lab-page select,.lab-page textarea{font:inherit;font-size:16px;max-width:100%;min-height:44px;background:#11171c;color:#f3f5f7;border:1px solid #485159;padding:12px}.lab-page textarea{width:100%;display:block;margin:10px 0;resize:vertical}.lab-page select{width:100%;max-width:340px}.lab-filter span{display:block;color:var(--muted);margin-top:10px}.lab-questions{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-questions h2{font-size:1.55rem;line-height:1.2}.lab-footer{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:.83rem}.lab-footer a{text-decoration:underline}.lab-notice{border-left:3px solid #e3b547;padding:14px;background:#282519}.lab-pre{white-space:pre-line}.lab-page [hidden]{display:none!important}@media(max-width:900px){.lab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-tiers{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.lab-grid{grid-template-columns:1fr}.lab-tiers{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-panel{padding:22px}.lab-top{gap:10px}.lab-top .brand{font-size:.82rem;gap:7px}.lab-top .brand img{width:34px;height:34px}.lab-home span{display:none}.lab-top .lab-button{padding:8px 10px;font-size:.8rem}.lab-tabs{gap:6px}.lab-tabs a{padding:8px 11px;font-size:.8rem}.lab-defs{grid-template-columns:1fr;gap:5px}.lab-defs dd{margin-bottom:15px}.lab-panel{backdrop-filter:none;background:rgba(10,12,14,.94)}.lab-main{padding-top:calc(var(--nav-h) + env(safe-area-inset-top) + var(--banner-h) + 20px)}.lab-meta{display:grid;gap:10px}.lab-tiers .lab-panel{padding:18px}.lab-actions{width:100%}.lab-actions a{width:100%}}

/* LOT A: documentary bibliography, existing layout retained. */
.lab-sources{padding-left:22px}.lab-sources li{margin:18px 0;overflow-wrap:anywhere}.lab-sources a{color:#fff;text-decoration:underline}.lab-sources p{font-size:.92rem;line-height:1.6}.lab-document .lab-defs{margin:24px 0}.lab-document h1{font-size:clamp(2rem,5vw,3.5rem)}

/* ===== Guides pratiques : corps structuré (ajout v3) ===== */
.lab-guide-title{font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.02em;font-size:clamp(1.15rem,2vw,1.5rem);margin:26px 0 10px}
.lab-guide-list{margin:0 0 14px;padding-left:20px}
.lab-guide-list li{margin:0 0 6px}
.lab-guide-steps{margin:0 0 14px;padding-left:20px}
.lab-guide-steps li{margin:0 0 10px}
.lab-guide-steps strong{color:#fff}
.lab-guide-table{overflow-x:auto;margin:0 0 16px}
.lab-guide-table table{border-collapse:collapse;width:100%;min-width:520px;font-size:.9rem}
.lab-guide-table th,.lab-guide-table td{border:1px solid var(--glass-line);padding:8px 10px;text-align:left;vertical-align:top}
.lab-guide-table th{font-family:var(--display);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.72rem;color:#c9ced4}
.lab-tag{display:inline-block;padding:1px 7px;border:1px solid var(--glass-line);border-radius:999px;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.lab-tag-mecanique_documentee{color:#9fd8ae;border-color:rgba(114,215,139,.45)}
.lab-tag-observation_tiers{color:#c9ced4}
.lab-tag-recommandation_hexagone{color:#ffd7d7;border-color:rgba(227,39,39,.5)}
/* Guide tables: one source of content, vertical cards below 760 px. */
.lab-guide-table table{overflow-wrap:break-word;word-break:normal}
.lab-guide-table .lab-guide-cell-label{display:none}
.lab-guide-table .lab-guide-cell-value{overflow-wrap:break-word;word-break:normal}
@media (max-width:760px){
.lab-guide-table table{display:block;min-width:0;width:100%;font-size:16px;line-height:1.6}
.lab-guide-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}
.lab-guide-table tbody{display:block;width:100%}
.lab-guide-table tbody tr{display:block;margin:0 0 14px;border:1px solid var(--glass-line);background:rgba(12,15,17,.65)}
.lab-guide-table tbody td{display:block;width:auto;border:0;border-bottom:1px solid var(--glass-line);padding:12px 14px;font-size:16px;line-height:1.6;overflow-wrap:break-word;word-break:normal}
.lab-guide-table tbody td:last-child{border-bottom:0}
.lab-guide-table .lab-guide-cell-label{display:block;margin-bottom:5px;color:#c9ced4;font-size:14px;line-height:1.5;font-weight:700;overflow-wrap:break-word;word-break:normal}
.lab-guide-table .lab-guide-cell-value{display:block}
}

/* ===== Accueil : carte des guides pratiques (ajout lot B) ===== */
.lab-tool-guides{display:flex;flex-direction:column}
.lab-guide-links{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.lab-guide-links a{color:#fff;text-decoration:none;font-weight:600;line-height:1.35;border-bottom:1px solid var(--glass-line);padding-bottom:8px;display:block}
.lab-guide-links li:last-child a{border-bottom:0;padding-bottom:0}
.lab-guide-links a:hover,.lab-guide-links a:focus-visible{color:#ffd7d7}

/* ===== Bannière et barre identiques à l'accueil (16/10/2026) : .topbar de site.css, fond piloté par --s ===== */

/* ===== Formulaire de propositions (16/10/2026) ===== */
.lab-form label{display:block;font-weight:700;margin:0 0 14px;color:#e0e3e5}
.lab-form input{display:block;width:100%;margin-top:6px;font:inherit;font-size:16px;min-height:44px;background:#11171c;color:#f3f5f7;border:1px solid #485159;padding:10px 12px}
.lab-form select,.lab-form textarea{display:block;margin-top:6px;width:100%;max-width:100%}
.lab-form input:focus,.lab-form select:focus,.lab-form textarea:focus{outline:2px solid var(--red-soft);outline-offset:1px}
.lab-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.lab-form-err{display:block;color:#ff8f87;font-weight:600;font-size:.85rem;margin-top:4px}
.lab-form-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.lab-form button{margin-top:8px;border:1px solid var(--red);font:inherit;font-weight:700}
@media(max-width:600px){.lab-form-grid{grid-template-columns:1fr}}

/* ===== Classement des testeurs (16/10/2026) ===== */
.lab-leaderboard{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.lab-leaderboard li{display:flex;align-items:center;gap:14px;padding:10px 14px;background:rgba(12,15,17,.7);border:1px solid var(--glass-line)}
.lab-lb-rank{min-width:2.2em;font-family:var(--display);font-weight:700;font-size:1.2rem}
.lab-lb-name{flex:1;font-weight:700;overflow-wrap:anywhere}
.lab-lb-n{color:var(--muted);font-size:.9rem;white-space:nowrap}