/* === Espace Entraînement (dashboard, exercices) === */
        /* ==============================================================
           ESPACE ENTRAÎNEMENT — page dédiée + tableau de bord + exercices
           ============================================================== */
        .training-page {
            margin: 1rem 0 3rem;
            animation: fadeInCard 0.4s ease both;
        }

        /* Bascule de vue : en mode « training », on masque le catalogue et la
           barre de recherche pour offrir une page entière à l'entraînement. */
        body[data-view="training"] .animated-slogan-section,
        body[data-view="training"] .hero-container,
        body[data-view="training"] .content-grid,
        body[data-view="training"] .search-bar-wrapper,
        body[data-view="training"] .mobile-bottom-bar,
        body[data-view="training"] .bottom-filter-sheet,
        body[data-view="training"] #suggestedShortcutSection {
            display: none !important;
        }

        .training-topbar {
            margin-bottom: 1.5rem;
        }

        .training-back {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1rem 0.5rem 0.75rem;
            border-radius: 2rem;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-secondary);
            font-family: inherit;
            font-size: 0.82rem;
            font-weight: 700;
            cursor: pointer;
            transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
        }
        .training-back:hover,
        .training-back:focus-visible { border-color: var(--accent); color: var(--accent); transform: translateX(-2px); }
        .training-back:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .training-back svg { width: 16px; height: 16px; }

        .train-hero { text-align: center; margin-bottom: 2rem; }
        .train-hero-badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            background: rgba(225, 29, 72, 0.06);
            color: var(--accent);
            border: 1px solid rgba(225, 29, 72, 0.15);
            font-size: 0.62rem; font-weight: 800; text-transform: uppercase;
            padding: 0.3rem 0.8rem; border-radius: 2rem; letter-spacing: 0.12em;
            margin-bottom: 0.85rem;
        }
        .train-hero h2 {
            font-size: 1.9rem; font-weight: 900; color: var(--text-primary);
            margin: 0 0 0.5rem; line-height: 1.15; text-wrap: balance;
        }
        .train-hero p { color: var(--text-secondary); font-size: 0.98rem; max-width: 56ch; margin: 0 auto; }

        /* --- Cartes de stats --- */
        .train-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 1.75rem;
        }
        .train-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1.25rem;
            padding: 1.15rem 1.25rem;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
            opacity: 0; transform: translateY(12px);
            animation: statTileIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
            animation-delay: calc(var(--i, 0) * 0.06s + 0.1s);
        }
        [data-theme="dark"] .train-stat { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25); }
        .train-stat-top {
            display: flex; align-items: center; gap: 0.45rem;
            font-size: 0.72rem; font-weight: 700; color: var(--text-secondary);
            margin-bottom: 0.55rem;
        }
        .train-stat-ico { font-size: 0.95rem; line-height: 1; }
        .train-stat-val {
            font-size: 1.85rem; font-weight: 900; color: var(--text-primary);
            font-variant-numeric: tabular-nums; line-height: 1;
        }
        .train-stat-val small { font-size: 0.9rem; font-weight: 700; color: var(--text-tertiary); }

        /* --- Panneaux --- */
        .train-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1.5rem;
            padding: 1.5rem 1.6rem;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
            margin-bottom: 1.5rem;
        }
        [data-theme="dark"] .train-card { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25); }
        .train-card-head { margin-bottom: 1.25rem; }
        .train-card-title { font-size: 1.05rem; font-weight: 800; color: var(--text-primary); }
        .train-card-sub {
            font-size: 0.7rem; font-weight: 700; color: var(--text-tertiary);
            text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.15rem;
        }
        .train-grid-2 { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1.5rem; align-items: start; }

        /* --- Courbe de progression (SVG) --- */
        .train-chart-wrap { width: 100%; }
        .train-chart-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
        .train-chart-grid { stroke: var(--border-color); stroke-width: 0.5; }
        .train-chart-area { fill: var(--accent); opacity: 0.10; }
        .train-chart-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
        .train-chart-dot { fill: var(--accent); stroke: var(--bg-card); stroke-width: 1.5; }
        .train-chart-axis { fill: var(--text-tertiary); font-size: 7px; font-weight: 700; }
        .train-empty {
            text-align: center; color: var(--text-secondary); font-size: 0.9rem;
            padding: 2rem 1rem; line-height: 1.6;
        }
        .train-empty-ico { font-size: 2rem; display: block; margin-bottom: 0.5rem; opacity: 0.7; }

        /* --- Cartes autonomes de maîtrise par catégorie --- */
        .train-mastery-section { margin-top: 1rem; }
        .train-mastery-heading { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 0.7rem; }
        .train-mastery-heading h3 { margin: 0 0 0.4rem; color: var(--text-primary); font-size: 1.25rem; font-weight: 850; }
        .train-mastery-heading p { margin: 0; color: var(--text-secondary); font-size: 0.83rem; line-height: 1.6; max-width: 85ch; }
        .train-mastery-filter { display: flex; gap: 0.4rem; flex-wrap: wrap; }
        .train-mastery-filter button { border: 1px solid var(--border-color); border-radius: 0.65rem; min-height: 40px; background: var(--bg-filter); color: var(--text-secondary); padding: 0.5rem 0.8rem; font: inherit; font-size: 0.78rem; font-weight: 750; cursor: pointer; }
        .train-mastery-filter [aria-pressed="true"] { background: var(--accent-light); color: var(--accent); border-color: var(--accent); }
        .train-mastery-filter button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .train-mastery-legacy { padding: 0.8rem 1rem; border: 1px solid var(--border-color); background: var(--bg-filter); border-radius: 0.8rem; color: var(--text-secondary); font-size: 0.8rem; line-height: 1.6; }
        .train-mastery-scope { margin: 0 0 1rem; color: var(--text-secondary); font-size: 0.75rem; font-weight: 700; }
        .train-mastery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: stretch; }
        .train-mastery-card { margin: 0; padding: 1.25rem; min-width: 0; display: flex; flex-direction: column; }
        .train-category-head { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 1.2rem; min-height: 40px; }
        .train-category-head h4 { margin: 0; color: var(--text-primary); font-size: 0.94rem; line-height: 1.4; font-weight: 800; }
        .train-category-head .train-logos img { width: 30px; height: 30px; }
        .train-category-progress { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; font-variant-numeric: tabular-nums; }
        .train-category-progress > strong { color: var(--text-primary); font-size: 2.1rem; line-height: 1; font-weight: 900; }
        .train-category-progress strong small { font-size: 0.9rem; color: var(--text-secondary); }
        .train-category-progress > span { color: var(--text-secondary); font-size: 0.74rem; }
        .train-category-progress b { display: block; margin-top: 0.2rem; color: var(--text-primary); font-size: 0.72rem; font-weight: 700; }
        .train-category-track { display: flex; height: 7px; overflow: hidden; background: var(--bg-filter); border-radius: 4px; }
        .train-category-track span { height: 100%; flex-shrink: 0; }
        .train-category-track .is-mastered { background: var(--category-color); }
        .train-category-track .is-progress { background: var(--category-color); opacity: 0.3; }
        .train-category-track .is-weak { background: #e11d48; opacity: 0.7; }
        .train-category-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem 0.9rem; margin: 1rem 0; }
        .train-category-stats > div { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
        .train-category-stats dt { color: var(--text-secondary); font-size: 0.73rem; }
        .train-category-stats dt::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; margin-right: 0.3rem; background: var(--text-tertiary); vertical-align: middle; }
        .train-category-stats .is-mastered dt::before { background: var(--category-color); }
        .train-category-stats .is-progress dt::before { background: var(--category-color); opacity: 0.4; }
        .train-category-stats .is-weak dt::before { background: var(--accent); }
        .train-category-stats dd { margin: 0; color: var(--text-primary); font-size: 0.85rem; font-weight: 800; font-variant-numeric: tabular-nums; }
        .train-category-stats .is-weak dd { color: var(--accent); }
        .train-category-accuracy { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; border-top: 1px solid var(--border-color); padding-top: 0.85rem; color: var(--text-secondary); font-size: 0.76rem; }
        .train-category-accuracy strong { color: var(--text-primary); font-size: 0.9rem; }
        .train-category-methods { display: flex; gap: 1rem; color: var(--text-secondary); font-size: 0.71rem; margin-top: 0.5rem; }
        .train-category-methods b { color: var(--text-primary); margin-left: 0.25rem; }
        .train-category-sample { color: var(--text-secondary); font-size: 0.67rem; margin: 0.7rem 0 0; }
        .train-category-unavailable { color: var(--text-secondary); font-size: 0.82rem; line-height: 1.6; padding: 1rem 0; flex: 1; display: flex; align-items: center; }
        .train-weak-title small { display: block; font-size: 0.69rem; font-weight: 500; margin-top: 0.2rem; }
        .train-feedback-explanation { width: 100%; padding: 0.9rem; border-radius: 0.8rem; background: var(--bg-filter); color: var(--text-primary); font-size: 0.86rem; }
        .train-feedback-explanation p { margin: 0.5rem auto 0; color: var(--text-secondary); font-size: 0.81rem; line-height: 1.6; max-width: 65ch; }
        @media (max-width: 1023px) { .train-mastery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
        @media (max-width: 600px) { .train-mastery-grid { grid-template-columns: 1fr; } .train-mastery-filter button { flex: 1 1 calc(50% - 0.4rem); } }

        /* --- Sessions récentes --- */
        .train-recent-item {
            display: flex; align-items: center; gap: 0.85rem;
            padding: 0.7rem 0; border-top: 1px solid var(--border-color);
        }
        .train-recent-item:first-child { border-top: none; }
        .train-recent-score {
            flex: 0 0 auto; font-weight: 900; font-size: 1rem; font-variant-numeric: tabular-nums;
            width: 3.2rem; text-align: center;
        }
        .train-recent-meta { flex: 1; min-width: 0; }
        .train-recent-scope { font-size: 0.82rem; font-weight: 700; color: var(--text-primary); }
        .train-recent-when { font-size: 0.7rem; color: var(--text-tertiary); }
        .train-recent-pct {
            flex: 0 0 auto; font-size: 0.72rem; font-weight: 800;
            padding: 0.2rem 0.6rem; border-radius: 2rem;
        }

        /* --- Points faibles --- */
        .train-weak-item {
            display: flex; align-items: center; gap: 0.75rem;
            padding: 0.55rem 0; border-top: 1px solid var(--border-color);
            cursor: pointer;
            width: 100%; border-inline: 0; border-bottom: 0; background: none;
            font-family: inherit; text-align: left; color: inherit;
        }
        .train-weak-item:first-child { border-top: none; }
        .train-weak-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
        .train-weak-title { flex: 1; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); min-width: 0; }
        .train-weak-item:hover .train-weak-title { color: var(--text-primary); }
        .train-weak-ratio { font-size: 0.7rem; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }

        /* --- Boutons CTA --- */
        .train-cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
        .train-btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
            padding: 0.85rem 1.6rem; border-radius: 0.9rem;
            font-family: inherit; font-size: 0.95rem; font-weight: 800; cursor: pointer;
            transition: filter 0.15s ease, transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
        }
        .train-btn-primary { border: none; background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(225, 29, 72, 0.2); }
        .train-btn-primary:hover:not(:disabled) { filter: brightness(1.06); transform: translateY(-2px); }
        .train-btn-primary:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; }
        .train-btn-ghost { border: 1px solid var(--border-color); background: var(--bg-filter); color: var(--text-primary); }
        .train-btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
        .train-btn-ghost:disabled { opacity: 0.45; cursor: not-allowed; }
        .train-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

        /* --- Écran de configuration --- */
        .train-config { max-width: 720px; margin: 0 auto; }
        .train-field { margin: 0 0 1.5rem; padding: 0; border: 0; min-width: 0; }
        .train-field-label {
            font-size: 0.72rem; font-weight: 800; color: var(--text-secondary);
            text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.6rem; display: block;
        }
        .train-seg { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .train-seg-btn {
            flex: 1; min-width: 84px;
            padding: 0.6rem 0.9rem; border-radius: 0.75rem;
            border: 1.5px solid var(--border-color); background: var(--bg-filter);
            color: var(--text-secondary); font-family: inherit; font-size: 0.85rem; font-weight: 700;
            cursor: pointer; transition: all 0.15s ease; text-align: center;
        }
        .train-seg-btn:hover { border-color: var(--accent); }
        .train-seg-btn:disabled { opacity: 0.45; cursor: not-allowed; border-color: var(--border-color); }
        .train-seg-btn.is-active { border-color: var(--accent); background: var(--accent-light); color: var(--accent); }
        .train-seg-btn small { display: block; font-size: 0.66rem; font-weight: 600; color: var(--text-tertiary); margin-top: 0.15rem; }
        .train-seg-btn.is-active small { color: var(--accent); opacity: 0.85; }
        .train-poolinfo { font-size: 0.82rem; color: var(--text-secondary); margin: 1rem 0 1.25rem; text-align: center; }
        .train-poolinfo.is-warn { color: var(--accent); font-weight: 700; }

        /* Deux étapes : portée visible, puis réglages de la session. */
        .train-scope { max-width: 940px; }
        .train-steps { display: flex; justify-content: center; gap: 2.25rem; list-style: none; padding: 0; margin: -0.4rem 0 1.5rem; }
        .train-steps li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.83rem; font-weight: 750; color: var(--text-secondary); }
        .train-steps li > span { display: grid; place-items: center; width: 1.85rem; height: 1.85rem; border-radius: 50%; border: 1px solid var(--border-color); background: var(--bg-filter); }
        .train-steps .is-current { color: var(--accent); }
        .train-steps .is-current > span { background: var(--accent); color: white; border-color: var(--accent); box-shadow: 0 3px 12px rgba(225, 29, 72, 0.18); }
        .train-steps .is-done > span { color: var(--accent); background: var(--accent-light); border-color: var(--accent); }
        .train-system-choices { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.65rem; }
        .train-scope-choice { position: relative; display: flex; align-items: center; gap: 0.65rem; min-width: 0; min-height: 88px; padding: 1rem; border: 1.5px solid var(--border-color); border-radius: 1rem; background: var(--bg-filter); color: var(--text-primary); cursor: pointer; font-family: inherit; text-align: left; transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease; }
        .train-scope-choice:hover:not(:disabled) { border-color: var(--accent); box-shadow: 0 3px 12px rgba(15, 23, 42, 0.06); }
        .train-scope-choice.is-active { border-color: var(--accent); background: var(--accent-light); box-shadow: inset 0 0 0 0.5px var(--accent); }
        .train-scope-choice:disabled { opacity: 0.65; cursor: not-allowed; }
        .train-choice-copy { min-width: 0; flex: 1; }
        .train-choice-name { display: block; font-size: 0.85rem; line-height: 1.35; font-weight: 800; overflow-wrap: anywhere; }
        .train-choice-count { display: block; font-size: 0.68rem; color: var(--text-secondary); line-height: 1.45; margin-top: 0.25rem; }
        .train-choice-check { display: grid; place-items: center; width: 1.1rem; height: 1.1rem; flex: 0 0 auto; border: 1.5px solid var(--border-color); border-radius: 50%; font-size: 0.72rem; }
        .is-active > .train-choice-check { background: var(--accent); color: white; border-color: var(--accent); }
        .train-logos { display: flex; align-items: center; flex: 0 0 auto; gap: 0.2rem; }
        .train-logos img { display: block; width: 32px; height: 32px; object-fit: contain; padding: 3px; border-radius: 0.5rem; background: rgba(255, 255, 255, 0.88); }
        .train-logos img + img { margin-left: -13px; border: 1px solid var(--border-color); }
        .train-generic-icon { display: inline-flex; flex: 0 0 auto; width: 32px; height: 32px; padding: 5px; border-radius: 0.5rem; color: var(--accent); background: var(--accent-light); }
        .train-logos > .train-generic-icon:not(:first-child), .train-logos > .train-generic-icon + img { margin-left: -13px; border: 1px solid var(--border-color); }
        .train-generic-icon svg { width: 100%; height: 100%; }
        .train-system-choices .train-scope-choice { flex-wrap: wrap; gap: 0.55rem; }
        .train-system-choices .train-choice-copy { flex-basis: calc(100% - 28px); }
        .train-system-choices .train-choice-check { position: absolute; top: 1rem; right: 1rem; }
        .train-category-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.9rem; }
        .train-category-toolbar p { margin: 0; color: var(--text-secondary); font-size: 0.76rem; line-height: 1.5; }
        .train-layout-switch { display: inline-flex; flex: 0 0 auto; padding: 3px; gap: 2px; border: 1px solid var(--border-color); border-radius: 0.7rem; background: var(--bg-filter); }
        .train-layout-switch button { display: inline-flex; justify-content: center; align-items: center; gap: 0.3rem; min-height: 38px; border: 0; border-radius: 0.5rem; background: transparent; color: var(--text-secondary); font: inherit; font-size: 0.74rem; font-weight: 700; cursor: pointer; padding: 0.4rem 0.6rem; }
        .train-layout-switch svg { width: 17px; height: 17px; }
        .train-layout-switch [aria-pressed="true"] { background: var(--bg-card); color: var(--accent); box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08); }
        .train-category-choices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.65rem; }
        .train-category-choices[data-layout="list"] { grid-template-columns: 1fr; }
        .train-category-choices[data-layout="list"] .train-scope-choice { min-height: 68px; }
        .train-category-choices[data-layout="list"] .train-choice-copy { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
        .train-category-choices[data-layout="list"] .train-choice-count { margin-top: 0; }
        .train-wizard-footer { border-top: 1px solid var(--border-color); padding-top: 1rem; }
        .train-wizard-footer .train-poolinfo { margin: 0 0 1rem; }
        .train-wizard-footer .train-cta-row, .train-config-actions { justify-content: space-between; }
        .train-scope-summary { display: flex; align-items: center; gap: 0.8rem; background: var(--bg-filter); border: 1px solid var(--border-color); border-radius: 0.9rem; padding: 0.9rem 1rem; margin-bottom: 1.5rem; }
        .train-scope-summary small { display: block; font-size: 0.67rem; color: var(--text-secondary); margin-bottom: 0.2rem; }
        .train-scope-summary strong { font-size: 0.85rem; color: var(--text-primary); }
        .train-question-context { display: flex; align-items: center; justify-content: center; gap: 0.65rem; margin: 1.1rem 0; flex-wrap: wrap; }
        .train-question-category { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.4rem 0.75rem 0.4rem 0.45rem; border: 1px solid var(--border-color); border-radius: 0.75rem; background: var(--bg-filter); color: var(--text-primary); font-size: 0.8rem; }
        .train-question-category .train-logos img { width: 26px; height: 26px; }
        .train-question-category .train-generic-icon { width: 26px; height: 26px; }
        .train-question-os { color: var(--text-secondary); font-size: 0.74rem; font-weight: 700; }
        .train-scope-choice:focus-visible, .train-seg-btn:focus-visible, .train-layout-switch button:focus-visible, .train-weak-item:focus-visible, .train-run-quit:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
        .train-hero h2:focus, .train-run-head .train-card-title:focus, .train-result h2:focus { outline: none; }
        .train-btn-shine { position: relative; overflow: hidden; isolation: isolate; }
        .train-btn-shine::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.32) 50%, transparent 70%); transform: translateX(-150%); animation: trainButtonShine 4.8s ease-in-out 1s infinite; }
        .train-btn-shine:disabled::after { animation: none; }
        @keyframes trainButtonShine { 0%, 65% { transform: translateX(-150%); } 90%, 100% { transform: translateX(150%); } }
        @media (max-width: 760px) {
            .train-category-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .train-system-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .train-category-choices .train-scope-choice { flex-wrap: wrap; align-content: start; min-height: 116px; }
            .train-category-choices .train-logos img { width: 26px; height: 26px; }
            .train-category-choices .train-logos img + img { margin-left: -12px; }
            .train-category-choices .train-choice-copy { flex-basis: 100%; }
            .train-category-choices .train-choice-check { position: absolute; top: 1rem; right: 0.75rem; }
            .train-category-choices[data-layout="list"] .train-scope-choice { flex-wrap: nowrap; align-items: center; min-height: 72px; }
            .train-category-choices[data-layout="list"] .train-choice-copy { display: block; flex-basis: auto; }
            .train-category-choices[data-layout="list"] .train-choice-count { margin-top: 0.2rem; }
            .train-category-choices[data-layout="list"] .train-choice-check { position: static; }
            .train-category-toolbar { align-items: start; }
            .train-layout-switch button { min-width: 40px; min-height: 40px; }
            .train-layout-switch button span { display: none; }
            .train-config-actions .train-btn { flex: 1 1 100%; }
            .train-config-actions #trainStartBtn { order: -1; }
            .train-wizard-footer .train-btn { padding: 0.8rem 0.9rem; font-size: 0.82rem; }
        }
        @media (max-width: 360px) {
            .train-category-choices { grid-template-columns: 1fr; }
            .train-category-choices .train-scope-choice { flex-wrap: nowrap; align-items: center; min-height: 76px; }
            .train-category-choices .train-choice-copy { flex-basis: auto; }
            .train-category-choices .train-choice-check { position: static; }
            .train-steps { gap: 1rem; }
            .train-steps li { font-size: 0.75rem; }
            .train-wizard-footer .train-btn { flex: 1 1 100%; }
        }
        @media (max-width: 560px) {
            .train-seg-btn[data-train-len] { min-width: 0; }
            .train-seg-btn[data-train-mode] { flex-basis: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 56px; text-align: left; }
            .train-seg-btn[data-train-mode] small { max-width: 70%; margin: 0; text-align: right; font-size: 0.72rem; }
        }
        @media (prefers-reduced-motion: reduce) {
            .train-btn-shine::after { animation: none; }
            .train-run, .train-config, .train-result, .training-page { animation: none; }
            .train-stat { animation: none; opacity: 1; transform: none; }
            .train-btn, .train-scope-choice { transition: none; }
        }

        /* --- Écran de session (run) : réutilise .quiz-* pour la partie QCM --- */
        .train-run, .train-config, .train-result { animation: fadeInCard 0.35s ease both; }
        /* Les cibles tactiles doivent rester immobiles dès la première frappe. */
        .training-page:has(#trainingKeyboard),
        .train-run:has(#trainingKeyboard) { animation: none; }
        .train-run { max-width: 760px; margin: 0 auto; }
        .train-run-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.75rem; }
        .train-run-quit {
            border: none; background: transparent; color: var(--text-tertiary);
            font-family: inherit; font-size: 0.78rem; font-weight: 700; cursor: pointer; padding: 0.25rem 0.5rem;
            border-radius: 0.5rem;
        }
        .train-run-quit:hover { color: var(--accent); }

        /* --- Exercice clavier --- */
        .train-kbd-prompt { text-align: center; font-size: 0.85rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 0.4rem; }
        .train-kbd-action {
            text-align: center; font-size: 1.35rem; font-weight: 900; color: var(--text-primary);
            margin-bottom: 0.25rem; line-height: 1.25;
        }
        .train-kbd-hint { text-align: center; font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 1rem; }
        .train-kbd-board { width: 100%; }
        .train-kbd-actions { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
        .train-kbd-warn { text-align: center; color: var(--accent); font-size: 0.8rem; font-weight: 600; min-height: 1.2rem; margin-top: 0.5rem; }
        .train-answer-block { text-align: center; margin: 0.75rem 0; }
        .train-answer-line { display: flex; align-items: center; justify-content: center; gap: 0.5rem; flex-wrap: wrap; margin: 0.3rem 0; }
        .train-answer-tag { font-size: 0.68rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-tertiary); }

        /* Responsive tableau de bord */
        @media (max-width: 900px) {
            .train-grid-2 { grid-template-columns: 1fr; }
            .train-stats { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .train-hero h2 { font-size: 1.5rem; }
            .train-card { padding: 1.25rem 1.1rem; }
            /* La session clavier utilise toute la largeur du téléphone.
               Le tableau de bord et les exercices sans clavier restent centrés. */
            .train-run:has(#trainingKeyboard) {
                width: calc(100vw - 8px);
                max-width: none;
                margin-inline: calc(50% - 50vw + 4px);
            }
            .train-run:has(#trainingKeyboard) .train-run-head { padding-inline: 1rem; }
            .train-run:has(#trainingKeyboard) .train-card { padding-inline: 0.35rem; }
            body[data-view="training"]:has(#trainingKeyboard) #backToTop { display: none; }
        }
        @media (max-width: 400px) {
            .train-stats { grid-template-columns: 1fr; }
        }

        /* Sur tablette/mobile : réduit les marges de la modale clavier pour
           laisser plus de largeur au clavier (touches moins rétrécies). */
        @media (max-width: 768px) {
            .keyboard-modal {
                width: 98%;
                padding: 1.5rem 0.5rem;
            }
            /* Détecteur en mobile : on récupère toute la largeur perdue.
               Sélecteur composé (.modal-card.detector-modal) → spécificité
               supérieure à .modal-card, sinon width:90% + padding 2rem l'emportent
               et étranglent le clavier. */
            .modal-card.detector-modal {
                width: 100vw;
                max-width: 100vw;
                padding: 1.4rem 0.5rem;
            }
            /* Le texte reste lisible avec une marge intérieure confortable */
            .detector-modal .detector-sub,
            .detector-modal .detector-warn,
            .detector-modal .detector-combo-wrap {
                padding-left: 0.6rem;
                padding-right: 0.6rem;
            }
            /* Le clavier déborde jusqu'aux bords internes de la carte */
            #detectorKeyboard,
            #keyboardModalBody {
                margin-left: -0.25rem;
                margin-right: -0.25rem;
            }
            /* Écarts internes du clavier resserrés → touches plus grandes */
            .kb-board { padding: 5px; gap: 5px; }
            .kb-row { gap: 4px; }
            /* Résultats en 1 colonne sur mobile */
            .detector-result { grid-template-columns: 1fr; }
        }

        @media (max-width: 480px) {
            .keyboard-modal {
                padding: 1.25rem 0.5rem;
            }
        }

        /* ---- Détecteur — TABLETTE (vertical) : résultats en 1 colonne
               (évite les sauts de touches à la ligne dans des cartes trop étroites) ---- */
        @media (min-width: 769px) and (max-width: 1023px) {
            .detector-result { grid-template-columns: 1fr; }
        }

        /* ---- Détecteur — DESKTOP : modale élargie, clavier agrandi, tout se
               déroule ici (détection + résultats). Mobile/tablette inchangés. ---- */
        @media (min-width: 1024px) {
            /* Modale élargie à ~80% de l'écran (sélecteur composé pour battre .modal-card) */
            .modal-card.detector-modal {
                width: 80vw;
                max-width: 80vw; /* garantit ≥80% (jamais plein écran) à toute résolution */
                padding: 1.5rem 2.25rem 2.25rem;
            }
            /* En-tête resserré (desktop uniquement) : le clavier virtuel est le
               composant central du détecteur — on lui rend l'espace vertical que
               les textes et menus au-dessus consomment, pour qu'il s'affiche
               entièrement sans avoir à réduire son échelle. */
            .detector-modal .modal-title { margin-bottom: 0.35rem; }
            .detector-modal .detector-sub { margin-bottom: 0.5rem; }
            .detector-modal .detector-warn { margin-top: 0; margin-bottom: 0.5rem; }
            .detector-modal .detector-combo-wrap { padding: 0.45rem 0.8rem; margin-bottom: 0.5rem; }
            .detector-modal .det-toggles { margin-bottom: 0.5rem; }
            /* Toggles conservés AU-DESSUS du clavier (display:contents hérité) ;
               le clavier profite de toute la largeur de la modale élargie. */
            /* Résultats : 2 colonnes (min desktop), défilement vertical au-delà */
            .detector-result {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                max-height: 52vh;
                overflow-y: auto;
                padding-right: 4px;
                scrollbar-width: thin;
                scrollbar-color: rgba(225, 29, 72, 0.45) transparent;
            }
        }

        /* Grand écran : 3 colonnes (max) */
        @media (min-width: 1280px) {
            .detector-result { grid-template-columns: repeat(3, minmax(0, 1fr)); }
        }

        .card-subbadge {
            text-transform: none;
            letter-spacing: 0.02em;
            font-weight: 700;
        }

        .sub-btn.active {
            box-shadow: inset 0 0 0 2px currentColor;
        }

        .card-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 1.25rem;
        }

        .card-keys-zone {
            background: var(--bg-key-zone);
            padding: 1rem;
            border-radius: 1rem;
            border: 1px solid var(--border-color);
            margin-bottom: 1rem;
            transition: border-color 0.2s ease;
        }

        .shortcut-card:hover .card-keys-zone {
            border-color: var(--accent-blue);
        }

        .os-keys-row {
            margin-bottom: 0.75rem;
        }

        .os-keys-row:last-child {
            margin-bottom: 0;
        }

        .os-label {
            font-size: 0.55rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-weight: 800;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .os-label .os-icon {
            font-size: 0.7rem;
        }

        .os-win {
            color: #3b82f6;
        }

        .os-mac {
            color: var(--text-secondary);
        }

        .os-lin {
            color: #f97316;
        }

        .kbd-key {
            display: inline-block;
            vertical-align: middle;
            padding: 0.3rem 0.6rem;
            font-family: ui-monospace, 'Cascadia Code', 'Fira Code', Consolas, monospace;
            font-weight: 700;
            font-size: 0.78rem;
            color: var(--key-text);
            background: var(--bg-key);
            border: 1px solid var(--key-border);
            border-radius: 0.375rem;
            box-shadow: var(--shadow-key);
            transform: translateY(0);
            transition: all 0.08s ease;
            margin: 0.35rem 0.15rem; /* Ajout d'une marge verticale pour éviter les chevauchements lors du retour à la ligne */
        }

        .shortcut-card:hover .kbd-key {
            transform: translateY(3px);
            box-shadow: var(--shadow-key-press);
        }

        .key-sep {
            display: inline-block;
            vertical-align: middle;
            color: var(--text-tertiary);
            font-weight: 800;
            font-size: 0.7rem;
            margin: 0.35rem 0.2rem;
        }

        .card-footer {
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-brand {
            font-size: 0.55rem;
            font-weight: 800;
            color: var(--text-tertiary);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .card-brand .star {
            color: var(--accent);
            font-size: 0.7rem;
        }

        .card-id {
            font-size: 0.55rem;
            font-weight: 700;
            background: var(--bg-filter);
            color: var(--text-tertiary);
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
        }