.timeline-track {
    position: relative;
    min-height: 120px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background-image: 
        repeating-linear-gradient(
            to bottom,
            transparent,
            transparent calc(120px - var(--gridline-width, 1px)),
            var(--gridline-color) calc(120px - var(--gridline-width, 1px)),
            var(--gridline-color) 120px
        );
    background-position: 0 2rem;
    cursor: crosshair;
    /* Vertical gridlines are now rendered dynamically in JavaScript */
}

.timeline-block {
    position: absolute;
    background: var(--block-color);
    color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    box-sizing: border-box;
    height: 80px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    cursor: grab;
    user-select: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    z-index: 10;
    overflow: hidden;
}

.timeline-block.temp-block {
    opacity: 0.6;
    border: 1px dashed var(--border-color);
    pointer-events: none;
    transition: none; /* No transition during drag */
}

.timeline-block.selected {
    outline: 1px dashed var(--text-tertiary);
    outline-offset: 4px;
    box-shadow: 0px 0px 12px 5px rgba(56, 56, 56, 0.15);
}

.timeline-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timeline-block.dragging {
    cursor: grabbing;
    opacity: 0.7;
    z-index: 1000;
    transform: scale(1.05);
}

.timeline-block.resizing {
    mask: none !important;
    -webkit-mask: none !important;
}

.timeline-block .resize-handle {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    cursor: ew-resize;
    background: var(--background-secondary);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10; /* Below badge (badge is z-index: 11) */
}

.timeline-block:hover .resize-handle {
    opacity: 0.4;
}

.timeline-block .resize-handle:hover {
    background: var(--background-secondary);
}

.timeline-block .label {
    pointer-events: all;
    font-size: 14px;
    max-width: 100%;
    cursor: text;
    white-space: normal;
    overflow: hidden;
    line-height: 1.4;
    min-height: 1em;
    width: 100%;
    display: block;
    max-height: 80px; /* blockHeight - matches block height */
    word-wrap: break-word;
    overflow-wrap: break-word;
    color: var(--primary-color);
    font-weight: 500;
}

.timeline-block .label-input {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    color: white;
    font-family: inherit;
    font-size: 14px;
    font-weight: 300;
    width: 100%;
    outline: none;
    resize: none;
    min-height: 1.4em;
    max-height: 80px; /* blockHeight - matches block height */
    overflow-y: auto;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.timeline-block-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 11px;
    padding: 2px 3px;
    /* border-radius: 0 0 0 8px; */
    color: var(--primary-color);
    cursor: pointer;
    z-index: 1000; /* Significantly higher z-index to be above everything */
    user-select: none;
    font-weight: 300;
    pointer-events: auto; /* Ensure badge is clickable */
}

.timeline-block-badge.badge-xd {
    /* background: rgba(53, 182, 111, 0.2);  */
    /* color: var(--accent-color-primary); */
}

.timeline-block-badge.badge-pm {
    /* background: rgba(182, 154, 53, 0.2);  */
    /* color: var(--accent-color-tertiary); */
}

.timeline-block-badge.badge-pd {
    /* background: rgba(77, 82, 220, 0.2); --accent-color-quaternary at 40% opacity */
    /* color: var(--accent-color-quaternary); */
}

.timeline-block.block-badge-xd {
    border-color: var(--accent-color-primary);
    background-color: var(--accent-color-primary-bg);
}

.timeline-block.block-badge-pm {
    border-color: var(--accent-color-tertiary);
    background-color: var(--accent-color-tertiary-bg);
}

.timeline-block.block-badge-pd {
    border-color: var(--accent-color-quaternary);
    background-color: var(--accent-color-quaternary-bg);
}

.annotation-hover-indicator {
    position: absolute;
    z-index: 1999; /* Below annotations but above everything else */
    pointer-events: all;
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.annotation-hover-indicator .annotation-hover-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--background);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.annotation-hover-indicator .annotation-hover-circle span {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1;
}

.annotation {
    position: absolute;
    z-index: 2000; /* Top layer - above all other elements */
    cursor: pointer;
    transform: translate(-50%, 0); /* Centered horizontally */
}

.annotation.selected {
    outline: 2px solid var(--accent-color-secondary);
    outline-offset: 2px;
    border-radius: 50%;
}

.annotation-circle {
    display: flex;
    align-items: center;
    justify-content: center;
}

.annotation-circle-inner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid var(--text-secondary);
    background: var(--background-secondary);
    cursor: pointer;
}

.annotation-input-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.annotation-input {
    font-size: 14px;
    font-family: inherit;
    font-weight: 300;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 4px 8px;
    outline: none;
    min-width: 100px;
}

.annotation-tooltip {
    position: absolute;
    background: var(--background-secondary);
    color: var(--text-primary);
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 300;
    z-index: 2001; /* Above annotations */
    pointer-events: none;
    transform: translate(-50%, 0);
    left: 50%;
    top: 16px; /* Aligned to circle bottom (circle diameter is 16px) */
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: nowrap; /* Default to single-line, overridden by .multi-line class */
    max-width: 200px;
}

.annotation-tooltip.single-line {
    white-space: nowrap;
    max-width: 200px;
}

.annotation-tooltip.multi-line {
    white-space: normal;
    max-width: 200px;
}

.annotation-tooltip.hidden {
    display: none;
}

.insert-indicator {
    position: absolute;
    width: 4px;
    height: 100px;
    background: var(--primary-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
}

.insert-indicator.visible {
    opacity: 1;
}

.insert-button {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
    z-index: 50;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.insert-button.visible {
    opacity: 1;
    pointer-events: all;
}

.insert-button:hover {
    transform: scale(1.1);
    background: var(--secondary-color);
}

.drop-zone {
    position: absolute;
    height: 100px;
    background: var(--drop-zone-color);
    border: 2px dashed var(--primary-color);
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 99;
}

.drop-zone.active {
    opacity: 0.5;
}

.gridline-vertical {
    position: absolute;
    top: 0;
    pointer-events: none;
    z-index: 0;
    background: var(--gridline-color);
}

.weekend-day {
    position: absolute;
    top: 0;
    background: var(--primary-color);
    pointer-events: none;
    z-index: 1;
    background-image: 
        repeating-linear-gradient(
            to bottom,
            transparent,
            transparent calc(120px - var(--gridline-width, 1px)),
            var(--gridline-color) calc(120px - var(--gridline-width, 1px)),
            var(--gridline-color) 120px
        );
    background-position: 0 2rem;
    /* Vertical gridlines are now rendered dynamically in JavaScript */
}

.date-label {
    position: absolute;
    top: 0.5rem;
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 300;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10000;
    mask: none;
    -webkit-mask: none;
}

.hover-date-label {
    position: absolute;
    top: 8px;
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 300;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10000;
    mask: none;
    -webkit-mask: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    transform: translateX(-50%);
}

.tooltip {
    position: absolute;
    background: var(--background);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 300;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tooltip.visible {
    opacity: 1;
}