/* Thread Lifecycle Diagram Styles */
.lifecycle-diagram-container {
    margin-top: 2rem;
    background: var(--card-bg);
    padding: 1.8rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.lifecycle-diagram-container:hover {
    box-shadow: var(--diagram-shadow);
    transform: translateY(-3px);
}

.lifecycle-diagram {
    width: 100%;
    max-width: 700px;
    height: 500px;
    margin: 0 auto;
    display: block;
    transition: all 0.3s ease;
}

.state-circle {
    fill: var(--bg-primary);
    stroke-width: 3px;
    transition: all 0.3s ease;
}

.state-circle.new {
    stroke: var(--color-new);
}

.state-circle.runnable {
    stroke: var(--color-runnable);
}

.state-circle.running {
    stroke: var(--color-running);
}

.state-circle.blocked {
    stroke: var(--color-blocked);
}

.state-circle.waiting {
    stroke: var(--color-waiting);
}

.state-circle.timedWaiting {
    stroke: var(--color-timed-waiting);
}

.state-circle.terminated {
    stroke: var(--color-terminated);
}

.state-circle.highlighted {
    fill-opacity: 0.2;
}

.state-circle.new.highlighted {
    fill: var(--color-new);
}

.state-circle.runnable.highlighted {
    fill: var(--color-runnable);
}

.state-circle.running.highlighted {
    fill: var(--color-running);
}

.state-circle.blocked.highlighted {
    fill: var(--color-blocked);
}

.state-circle.waiting.highlighted {
    fill: var(--color-waiting);
}

.state-circle.timedWaiting.highlighted {
    fill: var(--color-timed-waiting);
}

.state-circle.terminated.highlighted {
    fill: var(--color-terminated);
}

.state-text {
    font-size: 14px;
    font-weight: bold;
    user-select: none;
}

.transition-path {
    stroke: var(--diagram-connection);
    stroke-width: 2px;
    fill: none;
    transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.transition-label rect {
    stroke: #ccc;
    stroke-width: 1px;
}

.transition-text {
    font-size: 10px;
    user-select: none;
}

.transition-path.highlighted {
    stroke: var(--diagram-highlight);
    stroke-width: 3px;
    filter: drop-shadow(0 0 3px var(--diagram-highlight));
}

.transition-label {
    transition: all 0.3s ease;
}

/* Interactive tooltip for states */
.diagram-tooltip {
    position: absolute;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    max-width: 300px;
    z-index: 1000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

@media (max-width: 768px) {
    .lifecycle-diagram {
        height: 400px;
    }
}