/* 4.6. Boutons et contrôles spécifiques */
/* Read More Button (utilisé aussi pour pagination d'article) */
.btn-animated-read-more {
    position: relative;
    isolation: isolate;
    padding: 0.625rem 1.25rem;
    color: #999;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 0.875rem;
    font-family: consolas;
    background: transparent;
    border: none;
    cursor: pointer;
    width: fit-content;
}
.btn-animated-read-more span {
    display: none;
}
.btn-animated-read-more::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-energy);
    clip-path: polygon(
        var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)),
        calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm)
    );
    z-index: -1;
    opacity: 0.15;
    transition: opacity 0.3s ease;
}
.btn-animated-read-more:hover::before,
.btn-animated-read-more:active::before,
.btn-animated-read-more.btn-glow-active::before {
    opacity: 1;
}
.btn-animated-read-more::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: #142736;
    clip-path: polygon(
        calc(var(--cut-sm) - 1px) 0, 100% 0, 100% calc(100% - var(--cut-sm) + 1px),
        calc(100% - var(--cut-sm) + 1px) 100%, 0 100%, 0 calc(var(--cut-sm) - 1px)
    );
    z-index: -1;
}
.btn-animated-read-more.pulse-deploy {
    animation: pulse-deploy 0.5s ease-out;
}
.btn-animated-read-more.pulse-retract {
    animation: pulse-retract 0.6s ease-in-out;
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    /* right: 30px; (sera défini en responsive ou ici si position fixe) */
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease,
                transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    z-index: var(--z-index-scroll-top);
}
.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    /* Assigner une position horizontale, ex: right: 30px; */
    right: 30px; 
}
.scroll-top-btn:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

/* Bouton retour à la liste */
.back-to-list-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--color-text);
}
.back-to-list-btn i {
    margin-right: 10px;
}