:root {
    --a11y-panel-bg: #ffffff;
    --a11y-panel-border: #cfe0fb;
    --a11y-panel-shadow: 0 12px 26px rgba(17, 52, 97, 0.2);
    --a11y-primary: #1f5ea8;
    --a11y-primary-strong: #184b84;
    --a11y-focus-ring: #0b5bd3;
    --a11y-focus-shadow: rgba(11, 91, 211, 0.28);
    --pc-nav-btn-font-size: 0.97rem;
    --pc-nav-btn-padding-y: 0.56rem;
    --pc-nav-btn-padding-x: 1.06rem;
    --pc-card-radius: 16px;
    --pc-card-shadow: 0 10px 24px rgba(21, 59, 117, 0.1);
}

.a11y-toggle-btn {
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 800;
    border-radius: 999px;
    padding: 0.62rem 1.2rem;
    cursor: pointer;
    transition: 0.2s ease;
    line-height: 1;
}

.a11y-toggle-btn:hover,
.a11y-toggle-btn:focus-visible {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    outline: none;
}

.a11y-toggle-btn.a11y-toggle-btn--blog {
    color: #000000;
    background: rgba(255, 255, 255, 0.2);
    border-color: transparent;
}

.a11y-toggle-btn.a11y-toggle-btn--blog:hover,
.a11y-toggle-btn.a11y-toggle-btn--blog:focus-visible {
    background: #4a5155;
    border-color: #383e42;
    color: #ffffff;
}

.a11y-toggle-btn.a11y-toggle-btn--reseau:hover,
.a11y-toggle-btn.a11y-toggle-btn--reseau:focus-visible {
    background: #ff4fa7;
    border-color: #ff4fa7;
    color: #ffffff;
}

.a11y-toggle-btn.a11y-toggle-btn--outils:hover,
.a11y-toggle-btn.a11y-toggle-btn--outils:focus-visible {
    background: #1e40af;
    border-color: #1e40af;
    color: #ffffff;
}

.a11y-panel {
    position: fixed;
    top: 78px;
    right: 14px;
    width: min(360px, calc(100vw - 20px));
    border-radius: 14px;
    border: 1px solid var(--a11y-panel-border);
    background: var(--a11y-panel-bg);
    box-shadow: var(--a11y-panel-shadow);
    z-index: 1200;
    overflow: hidden;
}

.a11y-panel[hidden] {
    display: none;
}

.a11y-panel-header {
    padding: 0.85rem 0.95rem;
    background: linear-gradient(135deg, #1f5ea8, #2f7ed1);
    color: #ffffff;
}

.a11y-panel-header h2 {
    margin: 0;
    font-size: 1.04rem;
}

.a11y-panel-header p {
    margin: 0.18rem 0 0;
    font-size: 0.84rem;
    opacity: 0.96;
}

.a11y-panel-body {
    padding: 0.9rem 0.95rem;
    display: grid;
    gap: 0.72rem;
}

.a11y-row {
    display: grid;
    gap: 0.34rem;
}

.a11y-row label {
    color: #1f2d3d;
    font-weight: 600;
    font-size: 0.92rem;
}

.a11y-row input[type="range"] {
    width: 100%;
    accent-color: var(--a11y-primary);
}

.a11y-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border: 1px solid #d8e6fb;
    border-radius: 10px;
    padding: 0.44rem 0.56rem;
    background: #f8fbff;
}

.a11y-switch span {
    color: #1f2d3d;
    font-size: 0.9rem;
}

.a11y-switch input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--a11y-primary);
}

.a11y-panel-footer {
    padding: 0.8rem 0.95rem 0.95rem;
    display: flex;
    gap: 0.5rem;
}

.a11y-panel-footer button {
    border-radius: 10px;
    padding: 0.66rem 1rem;
    border: 1px solid #cddff8;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
}

.a11y-reset-btn {
    background: #f3f7ff;
    color: #254770;
}

.a11y-close-btn {
    background: var(--a11y-primary);
    border-color: var(--a11y-primary);
    color: #ffffff;
}

.a11y-close-btn:hover {
    background: var(--a11y-primary-strong);
}

html.a11y-text-110 {
    font-size: 110%;
}

html.a11y-text-120 {
    font-size: 120%;
}

html.a11y-text-130 {
    font-size: 130%;
}

html.a11y-spacious body,
html.a11y-spacious p,
html.a11y-spacious li,
html.a11y-spacious label,
html.a11y-spacious button,
html.a11y-spacious input,
html.a11y-spacious textarea,
html.a11y-spacious select,
html.a11y-spacious a,
html.a11y-spacious span {
    line-height: 1.8 !important;
    letter-spacing: 0.02em !important;
    word-spacing: 0.08em !important;
}

html.a11y-readable-font body,
html.a11y-readable-font button,
html.a11y-readable-font input,
html.a11y-readable-font select,
html.a11y-readable-font textarea,
html.a11y-readable-font a {
    font-family: Arial, Verdana, Tahoma, sans-serif !important;
}

html.a11y-high-contrast body {
    filter: contrast(1.2) saturate(1.08);
}

html.a11y-high-contrast a,
html.a11y-high-contrast button,
html.a11y-high-contrast input,
html.a11y-high-contrast select,
html.a11y-high-contrast textarea {
    text-shadow: none !important;
}

html.a11y-high-contrast *:focus-visible {
    outline: 3px solid #ffd25a !important;
    outline-offset: 2px !important;
}

html.a11y-reduce-motion *,
html.a11y-reduce-motion *::before,
html.a11y-reduce-motion *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid var(--a11y-focus-ring);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px var(--a11y-focus-shadow);
}

.header-nav .home-btn,
.header-nav .nav-link,
.header-nav .a11y-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    box-sizing: border-box;
    height: 40px;
    min-height: 40px;
    padding: var(--pc-nav-btn-padding-y) var(--pc-nav-btn-padding-x) !important;
    border-radius: 999px !important;
    border-width: 1px !important;
    font-size: var(--pc-nav-btn-font-size) !important;
    font-weight: 600;
    line-height: 1.2 !important;
    white-space: nowrap;
}

/* Accueil: bouton Accessibilité aligné sur la largeur du bloc des 3 boutons */
header .header-h1 > .a11y-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 400px;
    margin: 0.45rem auto 0;
    box-sizing: border-box;
    font-weight: 800;
}

#homeNavBlock > .a11y-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: none;
    height: 34px;
    min-height: 34px;
    margin: 0.45rem 0 0;
    padding: 0 0.75rem !important;
    box-sizing: border-box;
    font-weight: 800;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid #ffffff;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: 0.3s ease;
}

#homeNavBlock > .a11y-toggle-btn:hover,
#homeNavBlock > .a11y-toggle-btn:focus-visible {
    background: #ffffff;
    color: #007bff;
    border-color: #ffffff;
    transform: translateY(-1px);
    outline: none;
}

@media (min-width: 981px) {
    .service-card,
    .resources-home-carousel,
    .create-post,
    .posts-feed,
    .add-tool-section,
    .tools-grid,
    .tool-card,
    .profile-details,
    .user-posts,
    .contact-card,
    .ressources-intro,
    .resource-page-card,
    .panel,
    .teams-intro,
    .ime-live-section,
    .team-block,
    .home-agenda {
        border-radius: var(--pc-card-radius);
        box-shadow: var(--pc-card-shadow);
    }
}

@media (max-width: 768px) {
    .header-nav .home-btn,
    .header-nav .nav-link,
    .a11y-toggle-btn {
        height: 36px;
        min-height: 36px;
        width: auto;
        padding: 0.5rem 0.88rem !important;
        font-size: 0.9rem !important;
    }

    /* Header mobile harmonise sur toutes les pages (hors accueil) */
    .header-nav {
        flex-direction: column !important;
        gap: 0.35rem !important;
    }

    .header-left-links {
        margin-left: 0 !important;
        width: 100% !important;
        display: grid !important;
        grid-template-columns: repeat(3, max-content) !important;
        grid-template-rows: auto auto !important;
        justify-content: center !important;
        align-items: center !important;
        column-gap: 0.35rem !important;
        row-gap: 0.28rem !important;
    }

    .header-left-top {
        grid-column: 1 / 4 !important;
        grid-row: 1 !important;
        display: grid !important;
        grid-template-columns: repeat(3, max-content) !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0.35rem !important;
        padding: 0.1rem 0.18rem !important;
        border-radius: 999px !important;
        background: rgba(255, 255, 255, 0.22) !important;
        border: 2px solid rgba(255, 255, 255, 0.5) !important;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .header-left-bottom {
        grid-column: 1 / 4 !important;
        grid-row: 2 !important;
        width: auto !important;
        display: grid !important;
        grid-template-columns: repeat(3, max-content) !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0.35rem !important;
        padding: 0.1rem 0.18rem !important;
        border-radius: 999px !important;
        background: rgba(255, 255, 255, 0.22) !important;
        border: 2px solid rgba(255, 255, 255, 0.5) !important;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .header-left-links .home-btn,
    .header-left-bottom > .a11y-toggle-btn,
    .header-title-stack .nav-link {
        width: auto !important;
        min-width: 0 !important;
        height: 32px !important;
        min-height: 32px !important;
        padding-left: 0.82rem !important;
        padding-right: 0.82rem !important;
        background: transparent !important;
        border-color: transparent !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .header-left-links > .a11y-toggle-btn,
    .header-left-bottom > .a11y-toggle-btn {
        margin: 0 !important;
        border-radius: 999px !important;
        font-weight: 700 !important;
    }

    .header-left-links .home-btn:hover,
    .header-left-bottom > .a11y-toggle-btn:hover,
    .header-left-bottom > .a11y-toggle-btn:focus-visible,
    .header-title-stack .nav-link:hover {
        transform: none !important;
        color: #ffffff !important;
        background: transparent !important;
        border-color: transparent !important;
    }

    .header-title-stack .nav-links {
        display: grid !important;
        grid-template-columns: repeat(3, max-content) !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0.35rem !important;
        margin-bottom: 0.12rem !important;
        padding: 0.14rem 0.2rem !important;
        border-radius: 999px !important;
        background: rgba(255, 255, 255, 0.22) !important;
        border: 2px solid rgba(255, 255, 255, 0.5) !important;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-wrap: nowrap !important;
    }

    /* Pages a 4 liens sur la ligne (Réseau, Outils, Blog, Vie de l'IME) */
    .ressources-header .header-title-stack .nav-links,
    .contact-header .header-title-stack .nav-links,
    .messagerie-header .header-title-stack .nav-links,
    .profil-header .header-title-stack .nav-links {
        grid-template-columns: repeat(4, max-content) !important;
        gap: 0.2rem !important;
        margin-top: 0.18rem !important;
        padding: 0.1rem 0.12rem !important;
    }

    .ressources-header .header-title-stack .nav-link,
    .contact-header .header-title-stack .nav-link,
    .messagerie-header .header-title-stack .nav-link,
    .profil-header .header-title-stack .nav-link {
        height: 30px !important;
        min-height: 30px !important;
        padding-left: 0.56rem !important;
        padding-right: 0.56rem !important;
        font-size: 0.82rem !important;
    }

    header .header-h1 > .a11y-toggle-btn {
        width: 80% !important;
        max-width: 300px !important;
        height: 30px !important;
        min-height: 30px !important;
        margin: 0.2rem auto 0 !important;
        padding: 0.26rem 0.8rem !important;
        font-size: 0.8rem !important;
        line-height: 1 !important;
    }

    .a11y-panel {
        top: 10px;
        right: 10px;
        width: calc(100vw - 20px);
        max-height: calc(100vh - 20px);
        overflow: auto;
    }
}