/* Skill progression tree layout */

.progress-node {
    background-color: var(--mud-palette-surface);
    z-index: 1;
    position: relative;
    padding: 4px;
    transition: ease 0.2s;
    border-radius: 50%;
}

.progress-node:hover {
    transform: scale(1.25);
    transition: none;
}

.skill-tree-container {
    position: relative;
}

.skill-connections {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.skill-btn {
    --skill-node-color: var(--mud-palette-secondary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    min-width: unset;
    padding: 0;
    z-index: 1;
}

.skill-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: color-mix(in srgb, var(--skill-node-color) 30%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--skill-node-color) 55%, transparent);
    transition: transform 120ms ease;
    z-index: -1;
}

.skill-btn:hover::before {
    transform: scale(1.05);
}

.skill-btn.unlocked {
    --skill-node-color: var(--mud-palette-success);
}

.skill-btn.unlocked::before {
    background: color-mix(in srgb, var(--mud-palette-success) 35%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--mud-palette-success) 65%, transparent);
}

.skill-btn.health {
    --skill-node-color: var(--mud-palette-error);
}

.skill-btn.attack {
    --skill-node-color: var(--mud-palette-warning);
}

.skill-btn.mana {
    --skill-node-color: var(--mud-palette-primary);
}

.skill-btn.energy {
    --skill-node-color: var(--mud-palette-success);
}

.skill-btn.utility {
    --skill-node-color: var(--mud-palette-secondary);
}