/* ==========================================
   History Page Specific Styles
   CSS for the chronological timeline page
   ========================================== */

/* Page Header Section */
.page-header {
    background: linear-gradient(135deg, 
        var(--primary-green) 0%, 
        var(--primary-green-light) 100%);
    color: var(--neutral-white);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl) 0;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: 3rem;
    color: var(--neutral-white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--accent-cream);
    line-height: 1.6;
    margin: 0;
}

/* Timeline Section */
.timeline-section {
    padding: var(--spacing-3xl) 0;
}

.timeline-intro {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--neutral-dark);
    line-height: 1.7;
}

/* Timeline Container */
.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

/* Timeline loading state */
.timeline-loading {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.loading-message {
    color: var(--primary-green);
}

.loading-message .bank-vault-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md) auto;
}

/* Timeline vertical line */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, 
        var(--primary-green) 0%, 
        var(--accent-gold) 50%, 
        var(--primary-brown) 100%);
    transform: translateX(-50%);
    z-index: 1;
}

/* Timeline Item Styles */
.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + var(--spacing-xl));
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + var(--spacing-xl));
    margin-right: 0;
    text-align: left;
}

/* Timeline Content */
.timeline-content {
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(45, 80, 22, 0.1);
    transition: all var(--transition-normal);
    position: relative;
}

.timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Timeline content arrow */
.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border-left: 15px solid var(--neutral-white);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    left: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border-right: 15px solid var(--neutral-white);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

/* Timeline Marker */
.timeline-marker {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-gold);
    border: 4px solid var(--neutral-white);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.2);
    background-color: var(--primary-brown);
}

/* Timeline Date */
.timeline-date {
    display: inline-block;
    background-color: var(--primary-green);
    color: var(--neutral-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.timeline-title {
    font-size: 1.5rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.timeline-description {
    color: var(--neutral-dark);
    line-height: 1.6;
    margin: 0;
}

/* Search and Filter Controls */
.timeline-controls {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.search-container {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    padding-right: 50px;
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-green);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.search-btn:hover {
    background-color: var(--accent-cream);
}

.search-icon {
    width: 20px;
    height: 20px;
}

.filter-container {
    min-width: 150px;
}

/* Statistics Section */
.stats-section {
    background-color: var(--accent-cream);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--neutral-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md) auto;
    color: var(--neutral-white);
}

.stat-icon .icon {
    width: 25px;
    height: 25px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.stat-label {
    color: var(--neutral-dark);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* Legacy Section */
.legacy-section {
    padding: var(--spacing-3xl) 0;
}

.legacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.legacy-title {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

.legacy-description {
    font-size: 1.125rem;
    color: var(--neutral-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.legacy-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Memory Collage */
.memory-collage {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.collage-item {
    position: absolute;
    background-color: var(--neutral-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.collage-item:hover {
    transform: scale(1.05) rotate(2deg);
    z-index: 10;
}

.collage-1 {
    top: 20px;
    left: 20px;
    width: 150px;
    height: 120px;
    transform: rotate(-5deg);
}

.collage-2 {
    top: 60px;
    right: 30px;
    width: 140px;
    height: 110px;
    transform: rotate(8deg);
}

.collage-3 {
    bottom: 80px;
    left: 60px;
    width: 130px;
    height: 100px;
    transform: rotate(3deg);
}

.collage-4 {
    bottom: 40px;
    right: 60px;
    width: 160px;
    height: 130px;
    transform: rotate(-3deg);
}

.photo-placeholder {
    font-size: 2rem;
    color: var(--primary-green);
    opacity: 0.6;
}

/* Responsive Design */

/* Mobile devices (up to 575px) */
@media (max-width: 575px) {
    .page-title {
        font-size: 2.25rem;
    }
    
    .page-subtitle {
        font-size: 1.125rem;
    }
    
    /* Mobile timeline layout */
    .timeline-container::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px;
        margin-right: 0;
        text-align: left;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: -15px;
        right: auto;
        border-right: 15px solid var(--neutral-white);
        border-left: none;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-container {
        max-width: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .legacy-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .legacy-title {
        font-size: 2rem;
    }
    
    .memory-collage {
        height: 300px;
    }
    
    .legacy-actions {
        justify-content: center;
    }
}

/* Small tablets (576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .timeline-container::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 70px;
        margin-right: 0;
        text-align: left;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .legacy-content {
        grid-template-columns: 1fr;
    }
}

/* Medium devices (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
    .page-title {
        font-size: 3.5rem;
    }
    
    .legacy-title {
        font-size: 3rem;
    }
}

/* Animation keyframes */
@keyframes timelineSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes counterAnimation {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* No timeline items message */
.no-timeline-items {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--neutral-gray);
}

.no-timeline-items .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg) auto;
    opacity: 0.5;
}

/* Search highlighting */
.search-highlight {
    background-color: var(--warning-yellow);
    padding: 0 2px;
    border-radius: 2px;
    color: var(--neutral-dark);
    font-weight: 600;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .timeline-item,
    .timeline-content,
    .timeline-marker,
    .stat-card,
    .collage-item {
        transition: none;
        animation: none;
    }
    
    .timeline-item.visible {
        opacity: 1;
        transform: none;
    }
    
    .timeline-content:hover,
    .stat-card:hover,
    .collage-item:hover {
        transform: none;
    }
}