/* ========================================
   Diary Page - Timeline Styles
   ======================================== */

/* Filter Section */
.filter-section {
    padding: var(--spacing-md) 0;
    background: var(--color-light);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray);
    background: var(--color-white);
    border: 2px solid var(--color-gray);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-btn.active {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Timeline Section */
.timeline-section {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

/* Timeline vertical line */
.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    border-radius: 3px;
}

/* Year markers */
.timeline-year {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.timeline-year:first-child {
    margin-top: 0;
}

.year-label {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(38, 133, 117, 0.3);
    z-index: 2;
}

/* Timeline items */
.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-md);
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.timeline-item.hidden {
    opacity: 0;
    transform: translateX(-20px);
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/* Timeline marker (dot on line) */
.timeline-marker {
    position: absolute;
    left: 22px;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border: 4px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
}

/* Timeline content card */
.timeline-content {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* Timeline date */
.timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

/* Timeline tags */
.timeline-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 15px;
    margin-left: var(--spacing-xs);
}

.tag-milestone {
    background: #e8f5e9;
    color: #2e7d32;
}

.tag-agriculture {
    background: #fff3e0;
    color: #ef6c00;
}

.tag-women {
    background: #fce4ec;
    color: #c2185b;
}

.tag-award {
    background: #fff8e1;
    color: #f9a825;
}

.tag-community {
    background: #e3f2fd;
    color: #1565c0;
}

/* Timeline title */
.timeline-content h3 {
    font-size: 1.35rem;
    margin: var(--spacing-sm) 0;
    color: var(--color-dark);
}

.timeline-content p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

/* Timeline image */
.timeline-image {
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--color-light);
}

.timeline-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    object-position: center;
    transition: var(--transition);
    display: block;
}

.timeline-content:hover .timeline-image img {
    transform: scale(1.02);
}

/* For images that should be cropped to fill */
.timeline-image.cover img {
    object-fit: cover;
    max-height: 300px;
}

/* Timeline impact text */
.timeline-impact {
    padding: var(--spacing-sm);
    background: var(--color-light);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
}

.timeline-impact strong {
    color: var(--color-primary);
}

/* Timeline source link */
.timeline-source {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-primary);
    border-radius: 25px;
    transition: var(--transition);
}

.timeline-source:hover {
    color: var(--color-white);
    background: var(--color-primary);
}

/* Timeline stats grid */
.timeline-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.timeline-stats .stat {
    text-align: center;
    flex: 1;
}

.timeline-stats .stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.timeline-stats .stat-label {
    font-size: 0.8rem;
    color: var(--color-gray);
}

/* Impact Summary Section */
.impact-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.impact-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.impact-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.impact-label {
    font-size: 1rem;
    color: var(--color-gray);
    font-weight: 500;
}

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

    .year-label {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }

    .timeline-year {
        padding-left: 60px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 12px;
        width: 16px;
        height: 16px;
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    .timeline-content h3 {
        font-size: 1.15rem;
    }

    .timeline-stats {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .timeline-stats .stat-num {
        font-size: 1.5rem;
    }

    .impact-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-buttons {
        gap: 0.35rem;
    }

    .filter-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .impact-summary-grid {
        grid-template-columns: 1fr 1fr;
    }

    .impact-card {
        padding: var(--spacing-sm);
    }
}