@background: #333;
@foreground: #aaa;
@accent: #00bf00;
@strong: #fff;

@activeTabForeground: @accent;
@activeTabBackground: #111;

@seperatorWidth: 1px;
@separatorColor: lighten(@background, 20%);

@accentHeight: 3px;

@bar_height: 32px;
@panel_height: 265px;

@padding: 10px;

//container
.pdebug {
    font-size: 14px;
    position: fixed;
    bottom: 0;
    width: 100%;

    color: @foreground;
    background: @background;
    border-top: @accentHeight solid @accent;

    a {
        color: @accent;
    }

    label {
        display: inline-block;
        width: 60px;
    }

    strong {
        font-weight: normal;
        color: @strong;
    }

    .weak {
        color: @foreground;
    }

    //menu bar
    .pdebug-menu {
        height: @bar_height;
        padding: 0 15px;

        text-shadow: 1px 1px 0 #111;

        background: @background;

        span {
            display: inline-block;
            height: @bar_height;
            line-height: @bar_height;
        }

        //head of the menu bar
        .pdebug-head {
            padding-right: 25px;
            border-right: @seperatorWidth solid @separatorColor;
        }

        //main bar stats
        .pdebug-stats {
            float:right;
            padding: 0 0 0 @padding;

            //an item on the stats bar
            .pdebug-stats-item {
                display: inline-block;
                width: 100px;

                text-align: right;

                & > span {
                    color: @strong;
                }

                //fps stat item
                &.fps {}

                //ms stat item
                &.ms {}

                //sprites stat item
                &.obj {
                    width: 100px;
                    border: none;
                }
            }
        }

        //menu items (to switch between panels)
        .pdebug-menu-item {
            color: @strong;

            display: inline-block;

            text-decoration: none;

            padding: 0 @padding;
            height: @bar_height;
            line-height: @bar_height;
            border-right: @seperatorWidth solid @separatorColor;

            &.active {
                color: @activeTabForeground;
                background: @activeTabBackground;
            }
        }
    }

    //panels
    .pdebug-panel {
        display: none;
        height: @panel_height;
        overflow: auto;

        font-size: 12px;

        background: @activeTabBackground;

        //the performance panel
        &.performance {}

        //the scene tree panel
        &.scene {
            .sidebar {
                float: left;
                height: 100%;

                min-width: 175px;
                max-width: 500px;

                resize: horizontal;
                overflow: auto;
            }

            .details {
                float: left;
                height: 100%;
            }

            .refresh {
                position: absolute;
            }

            > ul {
                padding: 0;
                margin: 0;

                border-right: solid 1px @foreground;
                margin-right: 10px;

                li {
                    color: @strong;

                    list-style: none;
                    cursor: pointer;

                    &.expanded > ul {
                        display: block;
                    }

                    &.selected {
                        color: @accent;
                    }

                    &::before {
                        content: '-';

                        display: inline-block;

                        width: 12px;
                        height: 1px;

                        color: @foreground;
                    }

                    &.has-children {
                        &::before {
                            content: '';

                            display: inline-block;

                            width: 0;
                            height: 0;

                            margin: 0 6px 0 0;

                            border-top: 6px solid transparent;
                            border-bottom: 6px solid transparent;
                            border-right: none;
                            border-left: 6px solid rgba(255, 255, 255, 0.3);
                        }

                        &.expanded::before {
                            margin: 0 4px 0 -4px;

                            border-top: 6px solid rgba(255, 255, 255, 0.3);
                            border-left: 6px solid transparent;
                            border-right: 6px solid transparent;
                            border-bottom: none;
                        }
                    }

                    > ul {
                        display: none;
                        padding: 0 0 0 10px;
                    }
                }
            }
        }
    }
}