.programmes {
    --mansa-black: #1A1A1A;
    --mansa-gray: #8C8C8C;
    --mansa-light-gray: #F5F5F5;
    --inactive-color: #666666;
    --hover-color: #000000;
    --active-bg-color: #000000;
    --active-text-color: #ffffff;
    --transition-speed: 0.2s;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

.wp-block-columns.programmes {
    display: flex;
    width: 100%;
    gap: 40px;
    align-items: flex-start;
    position: relative;
}

.wp-block-columns.programmes::before {
    content: '';
    position: absolute;
    left: 320px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.08) 10%, rgba(0, 0, 0, 0.08) 90%, transparent 100%);
    opacity: 0.5;
}

.wp-block-columns.programmes > .wp-block-column:first-child {
    flex: 0 0 320px;
    position: sticky;
    top: 140px;
    height: fit-content;
    padding-right: 40px;
}

.wp-block-columns.programmes > .wp-block-column:last-child {
    flex: 1;
    padding-left: 40px;
}

.programmes-nav {
    padding: 0;
    margin: 0;
    list-style: none;
}

.programme-nav {
    position: relative;
}

.programme-nav .wp-element-button {
    width: 100%;
    background: transparent !important;
    border: none;
    padding: 16px 0;
    text-align: left;
    cursor: pointer;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.05);
    font-size: 16px;
    color: var(--inactive-color);
    position: relative;
    transition: color var(--transition-speed) var(--ease-out);
}

.programme-nav .wp-element-button:hover {
    color: var(--hover-color);
}

.programme-nav.active .wp-element-button {
    color: var(--active-text-color);
}

.programme-nav.active .wp-element-button span {
    position: relative;
    display: inline-block;
    padding: 4px 8px 4px 1.1em;
    margin: -4px -8px;
    z-index: 1;
}

.programme-nav.active .wp-element-button span::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--active-bg-color);
    z-index: -1;
    border-radius: 2px;
    animation: fadeInTextBg 0.3s var(--ease-out) forwards;
}

@keyframes fadeInTextBg {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.programme-nav.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 80%;
    background-color: #000;
    animation: drawLine 0.6s var(--ease-out) forwards;
    transform-origin: top;
}

@keyframes drawLine {
    0% { transform: translateY(-50%) scaleY(0); }
    100% { transform: translateY(-50%) scaleY(1); }
}

.programme-panel {
    display: none;
    opacity: 0;
    animation: revealContent 0.6s var(--ease-out) forwards;
}

.programme-panel.active {
    display: block;
}

@keyframes revealContent {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.programme-panel h2 {
    font-size: 36px;
    margin-bottom: 32px;
    line-height: 1.2;
    position: relative;
    padding-bottom: 20px;
    color: var(--mansa-black);
}

.programme-panel h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--mansa-black);
    opacity: 0.3;
}

.programme-panel p {
    font-size: 16px;
    margin-bottom: 24px;
    max-width: 700px;
}

.programme-panel p:first-of-type {
    font-size: 16px;
}

/* Mobile (≤781px) */
@media (max-width: 781px) {
    .programmes {
        margin-top: 40px;
    }
    
    .programmes-content {
        display: none;
    }
    
    .wp-block-columns.programmes {
        display: block;
    }
    
    .wp-block-columns.programmes::before {
        display: none;
    }
    
    .wp-block-columns.programmes > .wp-block-column {
        width: 100%;
        padding: 0;
    }
    
    .mobile-accordion .programmes-nav {
        border-top: 0;
        margin-bottom: 40px;
    }
    
    .mobile-accordion .programme-nav {
        border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
    }
    
    .mobile-accordion .programme-nav .wp-element-button {
        padding: 22px 56px 22px 20px;
        font-size: 16px;
        color: var(--mansa-gray);
    }
    
    .mobile-accordion .programme-nav.active .wp-element-button {
        color: var(--active-text-color);
    }
    
    .mobile-accordion .programme-nav.active .wp-element-button span {
        padding: 2px 8px 4px 0.5em;
        display: inline-block;
    }
    
    .mobile-accordion .programme-nav .wp-element-button::after {
        content: '';
        position: absolute;
        right: 24px;
        top: 50%;
        width: 10px;
        height: 10px;
        border-right: 1.5px solid currentColor;
        border-bottom: 1.5px solid currentColor;
        transform: translateY(-60%) rotate(45deg);
        transition: transform 0.3s var(--ease-out);
        opacity: 0.4;
    }
    
    .mobile-accordion .programme-nav.active .wp-element-button::after {
        transform: translateY(-50%) rotate(-135deg);
        opacity: 0.8;
        border-right-color: #fff;
        border-bottom-color: #fff;
    }
    
    .mobile-accordion .programme-panel {
        transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.5s ease;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transform: translateY(10px);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }
    
    .mobile-accordion .programme-panel.active {
        max-height: 5000px;
        opacity: 1;
        transform: translateY(0);
        padding: 20px 24px 30px;
        animation: slideDownOpen 0.35s var(--ease-out) forwards;
    }
    
    .mobile-accordion .programme-panel:not(.active) {
        max-height: 0 !important;
        opacity: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        margin-bottom: 0 !important;
        border-bottom: none !important;
        transition: none !important;
    }
    
    @keyframes slideDownOpen {
        from { opacity: 0; max-height: 0; padding-top: 0; padding-bottom: 0; }
        to { opacity: 1; max-height: 5000px; padding-top: 20px; padding-bottom: 30px; }
    }
    
    .mobile-accordion .programme-panel > *:first-child {
        margin-top: 8px;
    }
    
    .mobile-accordion .programme-panel h2 {
        margin-top: 0;
        padding-top: 0;
        font-size: 28px;
        color: var(--mansa-black);
        padding-bottom: 15px;
    }
    
    .mobile-accordion .programme-panel h2::after {
        height: 2px;
        width: 40px;
    }
    
    .mobile-accordion .programme-panel p {
        font-size: 16px;
        color: var(--mansa-gray);
    }
    
    /* Correction images mobile */
    .programme-image,
    .programme-panel .programme-image,
    .programme-panel .wp-block-group.programme-image,
    .programme-panel figure.wp-block-image,
    .programme-panel .wp-block-column[style*="40%"],
    .programme-panel .wp-block-columns .wp-block-column:nth-child(2) {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
        min-width: 0 !important;
        flex: 0 0 0 !important;
        max-width: 0 !important;
    }
    
    .programme-panel .wp-block-column[style*="60%"] {
        flex-basis: 100% !important;
        max-width: 100% !important;
        width: 100% !important;
    }
    
    .programme-panel .wp-block-columns {
        display: block !important;
        flex-direction: column !important;
        gap: 0 !important;
        margin-bottom: 1rem !important;
    }
    
    .programme-panel .wp-block-column {
        flex-basis: 100% !important;
        max-width: 100% !important;
        width: 100% !important;
    }
}

/* Tablette (782px-1024px) */
@media (max-width: 1024px) and (min-width: 782px) {
    .wp-block-columns.programmes {
        gap: 60px;
    }
    
    .wp-block-columns.programmes > .wp-block-column:first-child {
        flex: 0 0 260px;
    }
    
    .wp-block-columns.programmes::before {
        left: 260px;
    }
    
    .programme-panel h2 {
        font-size: 32px;
    }
    
    .programme-panel p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .mobile-accordion .programme-nav .wp-element-button {
        padding: 22px 48px 22px 18px;
        font-size: 15px;
    }
    
    .mobile-accordion .programme-nav .wp-element-button::after {
        right: 20px;
    }
    
    .mobile-accordion .programme-panel {
        padding: 28px 20px 28px !important;
    }
    
    .mobile-accordion .programme-panel h2 {
        font-size: 24px;
        margin-top: 4px;
        padding-bottom: 12px;
    }
    
    .mobile-accordion .programme-panel p:first-of-type {
        margin-top: 12px;
        font-size: 16px;
    }
    
    .mobile-accordion .programme-panel p {
        font-size: 15px;
    }
}

/* Animation entrée */
.programmes {
    animation: pageEntrance 0.4s var(--ease-out) 0.1s both;
}

@keyframes pageEntrance {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Accessibilité */
.programme-nav .wp-element-button:focus-visible {
    outline: 2px solid #000;
    outline-offset: 2px;
    background-color: rgba(0, 0, 0, 0.05);
}

@media (prefers-reduced-motion: reduce) {
    .programme-nav .wp-element-button,
    .programme-panel,
    .programmes {
        transition: none !important;
        animation: none !important;
    }
}