& .row-event-attachment {
    padding: 0 12px 16px 12px;
    row-gap: 12px;
    column-gap: 12px;

    & .col-event-attachment {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100%;
        border-radius: var(--border-radius);
        overflow: hidden;
        transition: all 0.3s ease;
        flex: 1 0 calc(25%);
        padding: 0;
        max-height: 120px;
        min-width: 209px;
        max-width: 50%;

        & .upload-display-overlay {
            min-height: 100%;
            width: 100%;
            object-fit: cover;

            & .img-event-attachment {
                min-height: 100%;
                width: 100%;
                object-fit: cover;
            }
        }
    }
}

/* Indicateur de chargement et animations pour la timeline */
.timeline-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin: 20px 0;
    opacity: 0.8;
    transition: all 0.3s ease;

    & .loading-spinner {
        width: 20px;
        height: 20px;
        border: 2px solid rgba(var(--background-quaternary), 0.3);
        border-top: 2px solid rgba(var(--blue-primary), 1);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-right: 10px;
    }

    & span {
        color: rgba(var(--text-secondary), 1);
        font-style: italic;
    }
}

.timeline-load-more {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    margin: 20px 0;

    & button {
        padding: 12px 24px;
        border-radius: var(--border-radius);
        font-weight: 500;
        transition: all 0.3s ease;
        border: 2px solid rgba(var(--blue-primary), 1);
        background: transparent;
        color: rgba(var(--blue-primary), 1);

        &:hover {
            background: rgba(var(--blue-primary), 1);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(var(--blue-primary), 0.3);
        }

        &:active {
            transform: translateY(0);
        }
    }
}

.timeline-end {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    margin: 20px 0;
    border-top: 1px solid rgba(var(--background-quaternary), 0.5);

    & span {
        color: rgba(var(--text-secondary), 1);
        font-style: italic;
        text-align: center;
    }
}

/* Animations pour les nouveaux éléments */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.timeline-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.timeline-slide-in {
    animation: slideInRight 0.4s ease-out forwards;
    opacity: 0;
}

.timeline-animated {
    opacity: 1;
}

/* Améliorations pour la timeline existante */
.timeline {
    margin-top: 20px;
    position: relative;

    &::before {
        position: absolute;
        content: '';
        width: 4px;
        height: calc(100%);
        background: rgb(138, 145, 150);
        background: -moz-linear-gradient(left, rgba(138, 145, 150, 1) 0%, rgba(122, 130, 136, 1) 60%, rgba(98, 105, 109, 1) 100%);
        background: -webkit-linear-gradient(left, rgba(138, 145, 150, 1) 0%, rgba(122, 130, 136, 1) 60%, rgba(98, 105, 109, 1) 100%);
        background: linear-gradient(to top, rgba(var(--background-secondary), 1) 0%, rgba(var(--background-tertiary), 1) 30%, rgba(var(--background-quaternary), 1) 100%);
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#8a9196', endColorstr='#62696d', GradientType=1);
        left: 14px;
        top: 5px;
        border-radius: 4px;
    }

    /* Styles pour les années */
    & .timeline-year {
        position: relative;
        padding: 6px 50px 6px 40px;
        background: linear-gradient(135deg, rgba(var(--blue-primary), 0.9), rgba(var(--blue-primary), 0.7));
        display: inline-block;
        width: auto;
        border-radius: 40px;
        border: 2px solid rgba(var(--blue-primary), 1);
        margin-bottom: 30px;
        cursor: pointer;
        font-weight: bold;
        font-size: 1em;
        color: white;
        box-shadow: 0 4px 15px rgba(var(--blue-primary), 0.25);
        transition: all 0.4s ease;

        &:hover {
            transform: translateX(6px) scale(1.02);
            box-shadow: 0 6px 20px rgba(var(--blue-primary), 0.4);
            background: linear-gradient(135deg, rgba(var(--blue-primary), 1), rgba(var(--blue-primary), 0.8));
        }

        & .year-number {
            font-size: 1em;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        & .year-count {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.9);
            color: rgba(var(--blue-primary), 1);
            font-size: 0.75em;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 12px;
            min-width: 20px;
            text-align: center;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
        }

        &:hover .year-count {
            background: rgba(255, 255, 255, 1);
            transform: translateY(-50%) scale(1.05);
            box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
        }

        &:before {
            position: absolute;
            content: '';
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, rgba(var(--blue-primary), 1), rgba(var(--blue-primary), 0.8));
            border-radius: 100%;
            border: 2px solid white;
            left: 6px;
            top: 50%;
            transform: translateY(-50%);
            box-shadow: 0 3px 10px rgba(var(--blue-primary), 0.3);
            transition: all 0.4s ease;
        }

        &:hover:before {
            transform: translateY(-50%) scale(1.08);
            box-shadow: 0 4px 15px rgba(var(--blue-primary), 0.5);
        }
    }

    .timeline-year-section {
        overflow: hidden;
        height: auto;
        transition: all 0.4s ease;
        padding-left: 30px;
        margin-bottom: 25px;

        &.reduced {
            height: 0px;
            margin-bottom: 0px;
        }
    }

    & .timeline-month {
        position: relative;
        padding: 6px 16px 6px 32px;
        background: rgba(var(--background-tertiary), 0.3);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        display: inline-block;
        width: auto;
        border-radius: 25px;
        border: 1px solid rgba(var(--background-quaternary), 0.2);
        margin-bottom: 25px;
        cursor: pointer;
        text-transform: capitalize;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(var(--card-shadow-color), 0.1);

        &:hover {
            background: rgba(var(--blue-primary), 0.15);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transform: translateX(6px);
            box-shadow: 0 6px 20px rgba(var(--blue-primary), 0.2);
            border-color: rgba(var(--blue-primary), 0.3);
        }

        & span {
            position: absolute;
            top: -1px;
            left: calc(100% - 10px);
            z-index: -1;
            white-space: nowrap;
            display: inline-block;
            background-color: #111;
            padding: 4px 10px 4px 20px;
            border-top-right-radius: 40px;
            border-bottom-right-radius: 40px;
            border: 1px solid rgba(var(--background-quaternary), 1);
            box-sizing: border-box;
        }

        &:before {
            position: absolute;
            content: '';
            width: 18px;
            height: 18px;
            background: linear-gradient(135deg, rgba(var(--blue-primary), 0.8), rgba(var(--blue-primary), 0.6));
            border-radius: 100%;
            border: 2px solid rgba(255, 255, 255, 0.3);
            left: 6px;
            top: 50%;
            transform: translateY(-50%);
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(var(--blue-primary), 0.3);
        }

        &:hover:before {
            background: linear-gradient(135deg, rgba(var(--blue-primary), 1), rgba(var(--blue-primary), 0.8));
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 4px 12px rgba(var(--blue-primary), 0.5);
        }
    }

    .timeline-month-section {
        overflow: hidden;
        height: auto;
        transition: all 0.3s ease;

        &.reduced {
            height: 0px;
        }

        & .timeline-section {
            padding-left: 35px;
            display: block;
            position: relative;
            margin-bottom: 30px;

            & .timeline-date {
                margin-bottom: 15px;
                padding: 4px 14px;
                background: rgba(var(--background-quaternary), 0.4);
                backdrop-filter: blur(8px);
                -webkit-backdrop-filter: blur(8px);
                position: relative;
                display: inline-block;
                border-radius: 18px;
                border: 1px solid rgba(var(--background-quaternary), 0.3);
                cursor: pointer;
                text-transform: capitalize;
                transition: all 0.3s ease;
                box-shadow: 0 2px 8px rgba(var(--card-shadow-color), 0.08);
                font-size: 0.9em;

                &:hover {
                    background: rgba(var(--blue-primary), 0.2);
                    backdrop-filter: blur(12px);
                    -webkit-backdrop-filter: blur(12px);
                    color: rgba(var(--text-primary), 1);
                    transform: translateX(4px);
                    box-shadow: 0 4px 12px rgba(var(--blue-primary), 0.15);
                    border-color: rgba(var(--blue-primary), 0.4);
                }
            }

            &:before {
                content: '';
                position: absolute;
                width: 20px;
                height: 1px;
                background: rgba(var(--background-quaternary), 1);
                top: 14px;
                left: 20px;
            }

            &::after {
                content: '';
                position: absolute;
                width: 10px;
                height: 10px;
                background: rgba(var(--background-quaternary), 1);
                top: 10px;
                left: 11px;
                border: 1px solid rgba(var(--background-quaternary), 1);
                border-radius: 100%;
            }

            & .row {
                height: auto;
                transition: all 0.3s ease;

                &.reduced {
                    overflow: hidden;
                    height: 0px;
                }

                & .col {
                    margin-bottom: 15px;

                    & .timeline-box {
                        position: relative;
                        background: rgba(var(--background-tertiary), 0.25);
                        backdrop-filter: blur(20px);
                        -webkit-backdrop-filter: blur(20px);
                        border-radius: var(--border-radius);
                        border: 1px solid rgba(var(--background-quaternary), 0.2);
                        transition: all 0.3s ease;
                        overflow: hidden;
                        box-shadow: 0 4px 15px rgba(var(--card-shadow-color), 0.08);

                        &:hover {
                            transform: translateY(-3px);
                            background: rgba(var(--background-tertiary), 0.35);
                            backdrop-filter: blur(25px);
                            -webkit-backdrop-filter: blur(25px);
                            box-shadow: 0 8px 30px rgba(var(--card-shadow-color), 0.15);
                            border-color: rgba(var(--blue-primary), 0.3);
                        }

                        &:before {
                            content: '';
                            position: absolute;
                            top: 0;
                            left: 0;
                            right: 0;
                            height: 1px;
                            background: linear-gradient(90deg,
                                    transparent,
                                    rgba(var(--blue-primary), 0.5),
                                    transparent);
                            opacity: 0;
                            transition: opacity 0.3s ease;
                        }

                        &:hover:before {
                            opacity: 1;
                        }

                        & .box-title {
                            display: flex;
                            align-items: center;
                            justify-content: space-between;
                            padding: 8px 8px 8px 12px;
                            border-bottom: 1px solid rgba(var(--background-quaternary), 0.15);
                            background: rgba(var(--background-quaternary), 0.1);

                            & .box-icon {
                                margin-right: 5px;
                            }
                        }

                        & .box-content {
                            padding: 10px 12px;

                            & strong {
                                color: #666;
                                font-style: italic;
                                margin-right: 5px;
                            }

                            & .box-item {
                                margin-bottom: 5px;
                            }
                        }

                        & .box-footer {
                            padding: 6px 12px;
                            border-top: 1px solid rgba(var(--background-quaternary), 0.15);
                            background: rgba(var(--background-quaternary), 0.1);
                            text-align: right;
                            font-style: italic;
                            font-size: 0.85em;
                        }
                    }
                }
            }

            & .btn-new-event {
                height: 30px;
                font-size: 14px;
                padding: 2px 12px 2px 6px;
                border: 1px solid rgba(var(--background-quaternary), 1);
                transition: all 0.3s ease;

                &:hover {
                    transform: translateY(-1px);
                    box-shadow: 0 4px 12px rgba(var(--card-shadow-color), 0.2);
                }
            }
        }
    }
}