/* Segmented Timeline Widget - Liquid Glass Theme */

.timeline-section {
    max-width: 1200px;
    margin: 3em auto;
    padding: 0 1em;
}

/* Header with liquid glass effect */
.timeline-header {
    text-align: center;
    margin-bottom: 2em;
}

.timeline-title {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0 0 0.3em 0;
    background: linear-gradient(135deg, 
        rgba(137, 207, 240, 1) 0%, 
        rgba(93, 143, 179, 1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline-subtitle {
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Main timeline container with liquid glass effect */
.timeline-container {
    position: relative;
    isolation: isolate;
    
    /* Liquid Glass - Base Layer */
    background: linear-gradient(135deg, 
        rgba(93, 143, 179, 0.15) 0%, 
        rgba(137, 207, 240, 0.08) 50%,
        rgba(93, 143, 179, 0.12) 100%);
    
    /* Frosted glass blur */
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    
    /* Subtle shadow for depth */
    box-shadow: 
        0 8px 32px rgba(93, 143, 179, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    
    padding: 2em;
    overflow: visible;
}

/* Liquid Glass - Highlight Layer */
.timeline-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

/* Liquid Glass - Illumination Layer */
.timeline-container::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 24px;
    background: radial-gradient(circle at 50% 0%, 
        rgba(137, 207, 240, 0.2) 0%,
        transparent 60%);
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

/* Ensure content is above glass layers */
.timeline-container > * {
    position: relative;
    z-index: 2;
}

/* Timeline content area */
.timeline-content {
    position: relative;
    width: 100%;
    min-height: 400px;
    overflow: visible;
}

/* Segment backgrounds */
.timeline-segments {
    position: absolute;
    inset: 0;
    display: flex;
}

.timeline-segment {
    border-right: 2px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.timeline-segment.segment-now {
    border-right-color: rgba(231, 76, 60, 0.3);
}

.timeline-segment.segment-even {
    background-color: rgba(255, 255, 255, 0.02);
}

.timeline-segment.segment-odd {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Time markers */
.timeline-marker {
    position: absolute;
    top: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.marker-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
}

.marker-boundary .marker-line {
    width: 2px;
    background-color: rgba(255, 255, 255, 0.2);
}

.marker-intermediate .marker-line {
    width: 1px;
    background-color: rgba(255, 255, 255, 0.1);
}

.marker-now .marker-line {
    width: 3px;
    background: linear-gradient(180deg, 
        rgba(231, 76, 60, 0.8) 0%, 
        rgba(231, 76, 60, 0.4) 100%);
    box-shadow: 0 0 10px rgba(231, 76, 60, 0.5);
}

.marker-label {
    position: absolute;
    top: 0.5em;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75em;
    color: rgba(255, 255, 255, 0.5);
    white-space: nowrap;
    font-weight: 500;
}

.label-now {
    background: rgba(231, 76, 60, 0.9);
    color: white;
    padding: 0.3em 0.6em;
    border-radius: 4px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4);
    top: 0.3em;
}

/* Projects container */
.timeline-projects {
    position: relative;
    padding-top: 4em;
    z-index: 2;
}

.timeline-project-wrapper {
    position: relative;
    height: 40px;
    margin-bottom: 12px;
}

/* Individual project bar */
.timeline-project {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 12px;
    padding: 0 1em;
    display: flex;
    align-items: center;
    cursor: pointer;
    overflow: visible;
    white-space: nowrap;
    position: relative;
    isolation: isolate;
    
    /* Liquid Glass effect - match theme blocks with low alpha */
    background: transparent;
    
    /* Frosted glass blur - key to liquid glass */
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    border: 1px solid rgba(255, 255, 255, 0.18);
    
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    
    /* Allow expansion on hover */
    min-width: var(--original-width, auto);
    width: var(--original-width, auto);
}

/* Base color layer with gradient - very transparent like theme blocks */
.timeline-project::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, 
        currentColor 0%, 
        color-mix(in srgb, currentColor 60%, transparent) 50%,
        color-mix(in srgb, currentColor 80%, black) 100%);
    opacity: 0.20;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

/* Gradient highlight overlay - light refraction */
.timeline-project::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.7;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.timeline-project:hover,
.timeline-project.project-hovered {
    transform: translateY(-4px);
    width: fit-content !important;
    min-width: var(--original-width, auto);
    max-width: min(60%, max-content);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.25),
        0 4px 12px currentColor,
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    z-index: 10;
}

/* Increase opacity and highlight on hover */
.timeline-project:hover::before,
.timeline-project.project-hovered::before {
    opacity: 0.35;
}

.timeline-project:hover::after,
.timeline-project.project-hovered::after {
    opacity: 1;
}

.project-title {
    color: white;
    font-weight: 700;
    font-size: 0.9em;
    white-space: nowrap;
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.8),
        0 1px 3px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
    letter-spacing: 0.01em;
    
    /* Show ellipsis when not hovered */
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.timeline-project:hover .project-title,
.timeline-project.project-hovered .project-title {
    overflow: visible;
    text-overflow: unset;
    max-width: none;
    text-shadow: 
        0 2px 12px rgba(0, 0, 0, 0.9),
        0 1px 4px rgba(0, 0, 0, 0.7),
        0 0 20px currentColor;
}

/* Tooltip */
.project-tooltip {
    position: fixed;
    bottom: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    
    /* Liquid glass effect for tooltip */
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.95) 0%, 
        rgba(46, 46, 46, 0.95) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1em 1.2em;
    min-width: 280px;
    max-width: 350px;
    
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    pointer-events: none;
}

.timeline-project:hover .project-tooltip,
.timeline-project.project-hovered .project-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
    z-index: 9999;
}

.tooltip-arrow {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid rgba(26, 26, 26, 0.95);
}

.tooltip-title {
    font-weight: 700;
    font-size: 1em;
    color: rgba(137, 207, 240, 1);
    margin-bottom: 0.5em;
}

.tooltip-dates {
    font-size: 0.85em;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.7em;
    display: flex;
    align-items: center;
    gap: 0.3em;
}

.tooltip-description {
    font-size: 0.85em;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
    margin-bottom: 0.7em;
}

.tooltip-status {
    display: inline-block;
    padding: 0.3em 0.8em;
    border-radius: 12px;
    font-size: 0.75em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tooltip-status.status-completed {
    background: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
    border: 1px solid rgba(46, 204, 113, 0.4);
}

.tooltip-status.status-ongoing {
    background: rgba(52, 152, 219, 0.2);
    color: #3498db;
    border: 1px solid rgba(52, 152, 219, 0.4);
}

.tooltip-status.status-scheduled {
    background: rgba(241, 196, 15, 0.2);
    color: #f1c40f;
    border: 1px solid rgba(241, 196, 15, 0.4);
}

/* Legend */
.timeline-legend {
    margin-top: 2em;
    padding-top: 1.5em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 2em;
    flex-wrap: wrap;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive design */
@media (max-width: 768px) {
    .timeline-title {
        font-size: 2em;
    }
    
    .timeline-container {
        padding: 1.5em 1em;
    }
    
    .timeline-project-wrapper {
        height: 35px;
        margin-bottom: 10px;
    }
    
    .project-title {
        font-size: 0.8em;
    }
    
    .project-tooltip {
        min-width: 240px;
        max-width: 280px;
        font-size: 0.9em;
    }
    
    .marker-label {
        font-size: 0.65em;
    }
    
    .timeline-legend {
        flex-direction: column;
        gap: 1em;
    }
}

@media (max-width: 480px) {
    .timeline-title {
        font-size: 1.5em;
    }
    
    .timeline-subtitle {
        font-size: 0.95em;
    }
    
    .timeline-container {
        padding: 1em 0.8em;
    }
    
    .timeline-project-wrapper {
        height: 30px;
        margin-bottom: 8px;
    }
    
    .project-title {
        font-size: 0.75em;
        padding: 0 0.5em;
    }
}