#timeline-container {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
    background: #ffffff;
    position: relative;
    width: max-content;
    overflow: visible;
    padding-bottom: 32px;
}

#timeline-container .timeline-section {
    display: grid;
    width: max-content;
}

#timeline-container .timeline-years {
    position: relative;
    height: 56px;
    background: transparent;
    color: #9ca3af;
    font-weight: 700;
    letter-spacing: 0.6px;
    border-bottom: none;
    align-items: end;
    padding-bottom: 14px;
}

#timeline-container .timeline-years::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 8px;
    height: 4px;
    border-radius: 9999px;
    background: #d1d5db;
}

#timeline-container .timeline-years .year-cell {
    position: relative;
    font-size: 20px;
    color: inherit;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

#timeline-container .timeline-years .year-cell::after {
    display: none;
}

#timeline-container .timeline-years .year-cell.year-cell-current {
    color: #4b5563;
}

#timeline-container .timeline-years .year-cell.year-cell-current::after {
    border-color: #d97745;
}

#timeline-container .timeline-months {
    height: 24px;
    background: transparent;
    border-bottom: none;
    color: #cbd5e1;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    align-items: center;
}

#timeline-container .timeline-grid {
    display: grid;
    grid-auto-rows: 80px;
    position: relative;
    background: repeating-linear-gradient(
        to bottom,
        #f8fafc 0,
        #f8fafc 80px,
        #ffffff 80px,
        #ffffff 160px
    );
}

#timeline-container .timeline-grid .grid-cell {
    border-right: 1px dashed #e2e8f0;
    border-bottom: 1px solid #f1f5f9;
}

#timeline-container .timeline-grid .project-box {
    position: absolute;
    height: 12px;
    line-height: 12px;
    padding: 0 10px;
    top: 34px;
    border-radius: 2px;
    background: #cbd5e1;
    color: #1f2937;
    font-size: 12px;
    font-weight: 600;
    box-shadow: none;
    border: none;
    transition: transform 0.15s ease;
    overflow: visible;
    z-index: 2;
    width: 120px;
    margin-left: 15px;
    text-decoration: none;
    color: inherit;
}

#timeline-container .timeline-grid .project-box.project-box-clickable {
    cursor: pointer;
}

#timeline-container .timeline-grid .project-box:hover {
    transform: translateY(-1px);
}

#timeline-container .timeline-grid .project-box .project-icon {
    position: absolute;
    left: -36px;
    top: 50%;
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    background: #ffffff;
    border: 2px solid rgba(100, 116, 139, 0.6);
    transform: translateY(-50%);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.16);
    background-size: cover;
    background-position: center;
    z-index: 2;
}

#timeline-container .timeline-grid .project-box .project-icon.project-icon-has-image {
    border-color: rgba(255, 255, 255, 0.9);
}

#timeline-container .timeline-grid .project-box .project-label {
    position: absolute;
    left: 0;
    top: -24px;
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: #4b5563;
    white-space: nowrap;
    padding: 2px 8px;
    z-index: 3;
    isolation: isolate;
}

#timeline-container .timeline-grid .project-box .project-label::before {
    content: '';
    position: absolute;
    inset: -4px -12px;
    background: rgba(255, 255, 255, 0.92);
    filter: blur(6px);
    border-radius: 999px;
    z-index: -1;
}

body {
    padding: 0;
}

.timeline-scroll {
    cursor: grab;
}

.timeline-scroll.is-dragging {
    cursor: grabbing;
    user-select: none;
}

.timeline-scroll.is-dragging * {
    user-select: none;
}

.timeline-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 9999px;
    border: 1px solid #d1e5db;
    background: #f4f9f7;
    color: #256e5b;
    font-weight: 600;
}

.timeline-chip-muted {
    border-color: #e5e7eb;
    background: #f8fafc;
    color: #4b5563;
}

.timeline-today-marker {
    position: absolute;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    z-index: 5;
}

.timeline-today-line {
    width: 2px;
    background: linear-gradient(180deg, rgba(217, 119, 69, 0) 0%, rgba(217, 119, 69, 0.45) 45%, rgba(217, 119, 69, 0) 100%);
    border-radius: 9999px;
}

.timeline-today-badge {
    margin-top: 6px;
    padding: 4px 8px;
    border-radius: 9999px;
    background: #d97745;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 8px 20px -10px rgba(217, 119, 69, 0.5);
}