/* =====================================================
   Timeline Page Styles
   ===================================================== */

.timeline-section {
    padding: 4rem 2rem;
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

/* Timeline Line */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--accent-primary) 10%,
        var(--accent-primary) 90%,
        transparent
    );
}

@media (max-width: 768px) {
    .timeline-container::before {
        left: 20px;
    }
}

/* Timeline Row */
.timeline-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    position: relative;
}

/* Timeline Item */
.timeline-item {
    position: relative;
    width: 50%;
    opacity: 0;
    transition: all 0.5s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item.left {
    padding-right: 2rem;
    text-align: right;
    transform: translateX(-30px);
}

.timeline-item.right {
    padding-left: 2rem;
    text-align: left;
    transform: translateX(30px);
}

/* Quand il n'y a qu'un seul item à gauche dans une row */
.timeline-row:has(.timeline-item.left):not(:has(.timeline-item.right)) .timeline-item.left {
    margin-left: 0;
}

@media (max-width: 768px) {
    .timeline-row {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-item,
    .timeline-item.left,
    .timeline-item.right {
        width: 100%;
        padding-left: 3.5rem;
        padding-right: 0;
        text-align: left;
        transform: translateX(30px);
    }

    .timeline-item.visible {
        transform: translateX(0);
    }
}

/* Timeline Node */
.timeline-node {
    position: absolute;
    top: 1rem;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
    z-index: 1;
}

.timeline-item.left .timeline-node {
    right: -8px;
}

.timeline-item.right .timeline-node {
    left: -8px;
}

@media (max-width: 768px) {
    .timeline-node,
    .timeline-item.left .timeline-node,
    .timeline-item.right .timeline-node {
        left: -43px;
        right: auto;
    }
}

/* Timeline Card */
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all var(--transition-fast);
    position: relative;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 1rem;
    width: 0;
    height: 0;
    border: 8px solid transparent;
}

.timeline-item.left .timeline-card::before {
    right: -16px;
    border-left-color: var(--border-color);
}

.timeline-item.right .timeline-card::before {
    left: -16px;
    border-right-color: var(--border-color);
}

@media (max-width: 768px) {
    .timeline-card::before,
    .timeline-item.left .timeline-card::before,
    .timeline-item.right .timeline-card::before {
        left: -16px;
        right: auto;
        border-right-color: var(--border-color);
        border-left-color: transparent;
    }
}

.timeline-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.timeline-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-item.left .timeline-location {
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .timeline-item.left .timeline-location {
        justify-content: flex-start;
    }
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Timeline Type Badge */
.timeline-type {
    position: absolute;
    top: -10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    text-transform: uppercase;
}

.timeline-item.left .timeline-type {
    left: 1rem;
}

.timeline-item.right .timeline-type {
    right: 1rem;
}

@media (max-width: 768px) {
    .timeline-type,
    .timeline-item.left .timeline-type,
    .timeline-item.right .timeline-type {
        right: 1rem;
        left: auto;
    }
}

.timeline-type.education {
    background: #3b82f6;
    color: white;
}

.timeline-type.work {
    background: #8b5cf6;
    color: white;
}

.timeline-type.project {
    background: #f59e0b;
    color: white;
}

.timeline-type.milestone {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
}

/* Timeline Link */
.timeline-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.05) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 16px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.timeline-link:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.25) 0%, rgba(34, 197, 94, 0.1) 100%);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.3);
    transform: translateY(-1px);
}

.timeline-link svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

.timeline-item.left .timeline-link {
    margin-left: auto;
}

@media (max-width: 768px) {
    .timeline-item.left .timeline-link {
        margin-left: 0;
    }
}

/* Layout Adjustments */
@media (min-width: 1025px) {
    .has-sidebar .timeline-container {
        margin-left: 2rem;
    }
}