/**
 * Timeline Block - Académie des Étoiles
 * Vertical chronological timeline with alternating layout
 */

.ade-timeline {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: var(--ade-space-xl) 0;
}

/* Optional title */
.ade-timeline__title {
    font-size: var(--ade-font-size-medium);
    font-weight: 700;
    color: var(--ade-gray-dark);
    margin: 0 0 var(--ade-space-2xl) 0;
    text-align: center;
}

/* Container with central timeline line */
.ade-timeline__container {
    position: relative;
    padding: var(--ade-space-lg) 0;
}

/* Central vertical line */
.ade-timeline__container::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--ade-primary) 10%,
        var(--ade-primary) 90%,
        transparent 100%
    );
    transform: translateX(-50%);
}

/* Individual event */
.ade-timeline__event {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--ade-space-xl);
    margin-bottom: var(--ade-space-2xl);
}

.ade-timeline__event:last-child {
    margin-bottom: 0;
}

/* Left-aligned events */
.ade-timeline__event--left .ade-timeline__content {
    grid-column: 1;
    text-align: right;
}

.ade-timeline__event--left .ade-timeline__marker {
    grid-column: 2;
}

/* Right-aligned events */
.ade-timeline__event--right {
    grid-template-columns: 1fr auto 1fr;
}

.ade-timeline__event--right .ade-timeline__content {
    grid-column: 3;
    text-align: left;
}

.ade-timeline__event--right .ade-timeline__marker {
    grid-column: 2;
}

/* Timeline marker (dot) */
.ade-timeline__marker {
    display: flex;
    align-items: flex-start;
    padding-top: var(--ade-space-sm);
    z-index: 2;
}

.ade-timeline__dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ade-primary) 0%, var(--ade-primary-dark) 100%);
    border: 4px solid var(--ade-white);
    box-shadow: 0 0 0 2px var(--ade-primary), 0 4px 8px rgba(155, 81, 224, 0.3);
}

/* Event content */
.ade-timeline__content {
    background: linear-gradient(135deg, rgba(155, 81, 224, 0.03) 0%, rgba(202, 179, 255, 0.06) 100%);
    padding: var(--ade-space-lg);
    border-radius: 8px;
    border: 1px solid rgba(155, 81, 224, 0.15);
}

/* Date badge */
.ade-timeline__date {
    display: inline-block;
    padding: var(--ade-space-xs) var(--ade-space-md);
    background: var(--ade-primary);
    color: var(--ade-white);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--ade-space-sm);
}

/* Event title */
.ade-timeline__event-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ade-primary);
    margin: 0 0 var(--ade-space-sm) 0;
    line-height: 1.3;
}

/* Event description */
.ade-timeline__event-description {
    font-size: var(--ade-font-size-base);
    line-height: 1.7;
    color: var(--ade-gray-dark);
}

.ade-timeline__event-description p {
    margin: 0 0 var(--ade-space-sm) 0;
}

.ade-timeline__event-description p:last-child {
    margin-bottom: 0;
}

.ade-timeline__event-description strong {
    font-weight: 600;
    color: var(--ade-primary);
}

/* Responsive - tablet */
@media screen and (max-width: 768px) {
    .ade-timeline {
        padding: var(--ade-space-lg) 0;
    }

    .ade-timeline__title {
        font-size: 18px;
        margin-bottom: var(--ade-space-xl);
    }

    .ade-timeline__event {
        gap: var(--ade-space-md);
        margin-bottom: var(--ade-space-xl);
    }

    .ade-timeline__content {
        padding: var(--ade-space-md);
    }

    .ade-timeline__event-title {
        font-size: 16px;
    }
}

/* Responsive - mobile (single column) */
@media screen and (max-width: 480px) {
    .ade-timeline {
        padding: var(--ade-space-md) 0;
    }

    /* Remove central line, add left-side line */
    .ade-timeline__container::before {
        left: 10px;
        transform: none;
        width: 2px;
    }

    /* Single column layout */
    .ade-timeline__event,
    .ade-timeline__event--left,
    .ade-timeline__event--right {
        grid-template-columns: auto 1fr;
        gap: var(--ade-space-md);
        margin-bottom: var(--ade-space-lg);
    }

    .ade-timeline__event--left .ade-timeline__content,
    .ade-timeline__event--right .ade-timeline__content {
        grid-column: 2;
        text-align: left;
    }

    .ade-timeline__event--left .ade-timeline__marker,
    .ade-timeline__event--right .ade-timeline__marker {
        grid-column: 1;
    }

    .ade-timeline__dot {
        width: 16px;
        height: 16px;
        border-width: 3px;
    }

    .ade-timeline__content {
        padding: var(--ade-space-sm) var(--ade-space-md);
    }

    .ade-timeline__date {
        font-size: 12px;
        padding: 2px var(--ade-space-sm);
    }

    .ade-timeline__event-title {
        font-size: 15px;
    }

    .ade-timeline__event-description {
        font-size: 15px;
    }
}

/* Print */
@media print {
    .ade-timeline {
        /* No styles needed - already transparent */
        padding: var(--ade-space-lg) 0;
        page-break-inside: avoid;
    }

    .ade-timeline__container::before {
        background: var(--ade-gray);
    }

    .ade-timeline__event {
        page-break-inside: avoid;
        margin-bottom: var(--ade-space-lg);
    }

    .ade-timeline__content {
        background: transparent !important;
        border-color: var(--ade-gray);
    }

    .ade-timeline__dot {
        box-shadow: none;
        border-color: var(--ade-gray);
    }
}