/* Sommaire latéral (pages internes) */

.side-nav {
    width: 280px;
    flex: 0 0 280px;
    position: sticky;
    top: 120px;
    align-self: flex-start;
    padding: 18px;
    border-radius: calc(var(--border-radius) + 2px);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}


.side-nav nav h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    position: relative;
    padding-left: 10px;
}

.side-nav nav h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--primary-color), rgba(0, 51, 160, 0.4));
}

.side-nav ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.side-nav h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 14px;
    position: relative;
}

.side-nav a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: none;
    border: 1px solid transparent;
    background: transparent;
    line-height: 1.25;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.side-nav a::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(0, 51, 160, 0.18);
    margin-top: 7px;
    flex: 0 0 auto;
    transition: background 0.2s ease, transform 0.2s ease;
}

.side-nav a:hover {
    background: var(--bg-light);
    border-color: rgba(0, 51, 160, 0.18);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(0,0,0,0.06);
}

.side-nav a:focus-visible {
    outline: 3px solid rgba(255, 215, 0, 0.35);
    outline-offset: 2px;
}

.side-nav a:hover::after {
    background: rgba(255, 215, 0, 0.75);
    transform: scale(1.15);
}



.side-nav nav {
    position: relative;
}

.side-nav h3 {
    color: var(--secondary-color);
}

.side-nav a.active {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.35), rgba(0, 51, 160, 0.08));
    border-color: rgba(0, 51, 160, 0.15);
}

/* Mise en page : col gauche + contenu */
.content-section > .container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}


.main-content {
    flex: 1 1 auto;
    min-width: 0;
}

@media (max-width: 992px) {
    .content-section > .container {
        flex-direction: column;
        gap: 20px;
    }
    .side-nav {
        width: 100%;
        position: static;
    }
}

.side-nav-subtitle {
    margin: 0 0 12px;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
}