/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

.timeline-ruler {
    position: relative;
    pointer-events: none;
    z-index: 1;

    --timeline-ruler-marker-translateX: -1px;
}

.timeline-ruler.allows-time-range-selection:not(.disabled) {
    pointer-events: all;
}

.timeline-ruler.resizing-selection,
.timeline-ruler.resizing-selection > .selection-drag {
    cursor: col-resize;
}

.timeline-ruler > * {
    pointer-events: none;
}

body[dir=ltr] .timeline-ruler > .header > .divider,
body[dir=ltr] .timeline-ruler > .markers > :matches(.divider, .marker) {
    transform: translateX(var(--timeline-ruler-marker-translateX));
}

body[dir=rtl] .timeline-ruler > .header > .divider,
body[dir=rtl] .timeline-ruler > .markers > :matches(.divider, .marker) {
    transform: translateX(calc(-1 * var(--timeline-ruler-marker-translateX)));
}

.timeline-ruler > .header {
    border-bottom: 1px solid var(--border-color);

    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 23px;
}


.timeline-ruler > .header > .divider {
    position: absolute;
    width: 1px;
    top: 0;
    bottom: 0;
    background-image: linear-gradient(to bottom, hsla(0, 0%, 70%, 0), hsla(0, 0%, 70%, 2) 85%);
}

body.window-inactive .timeline-ruler > .header > .divider {
    background-image: linear-gradient(to bottom, hsla(0, 0%, 85%, 0), hsla(0, 0%, 85%, 1) 85%);
}

.timeline-ruler > .header > .divider > .label {
    position: absolute;
    top: 6px;
    font-size: 9px;
    color: hsl(0, 0%, 50%);
    white-space: nowrap;

    --timeline-ruler-header-divider-label-offset-end: 5px;
}

body[dir=ltr] .timeline-ruler > .header > .divider > .label {
    right: var(--timeline-ruler-header-divider-label-offset-end);
}

body[dir=rtl] .timeline-ruler > .header > .divider > .label {
    left: var(--timeline-ruler-header-divider-label-offset-end);
}

.timeline-ruler > .markers {
    position: absolute;
    top: 22px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
}

.timeline-ruler > .markers > .divider {
    position: absolute;
    width: 1px;
    top: 1px;
    bottom: 0;
    background-color: hsla(0, 0%, 0%, 0.05);
}

.timeline-ruler > .markers > .marker {
    position: absolute;
    top: 0;
    bottom: 0;
    pointer-events: all;

    --timeline-ruler-marker-border-start: 1px solid hsla(0, 0%, 50%, 0.5);
}

body[dir=ltr] .timeline-ruler > .markers > .marker {
    border-left: var(--timeline-ruler-marker-border-start);
}

body[dir=rtl] .timeline-ruler > .markers > .marker {
    border-right: var(--timeline-ruler-marker-border-start);
}

/* Larger tooltip area */
.timeline-ruler > .markers > .marker {
    z-index: 20;
    width: 3px;
}

.timeline-ruler > .markers > .marker::before {
    width: 3px;
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;

    --timeline-ruler-marker-before-offset-start: -3px;
}

body[dir=ltr] .timeline-ruler > .markers > .marker::before {
    left: var(--timeline-ruler-marker-before-offset-start);
}

body[dir=rtl] .timeline-ruler > .markers > .marker::before {
    right: var(--timeline-ruler-marker-before-offset-start);
}

body[dir=ltr] .timeline-ruler > .markers > .marker.current-time {
    border-left-color: red;
}

body[dir=rtl] .timeline-ruler > .markers > .marker.current-time {
    border-right-color: red;
}

.timeline-ruler > .markers > .marker.current-time::before {
    position: absolute;
    top: -5px;
    width: 9px;
    height: 9px;
    background-color: red;
    border-radius: 5px;
    content: "";

     --timeline-ruler-marker-before-offset-start: -5px;
}

.timeline-ruler > .markers > .marker.load-event {
    border-left-color: hsl(0, 100%, 50%);
    opacity: 0.25;
}

.timeline-ruler > .markers > .marker.dom-content-event {
    border-left-color: hsl(240, 100%, 50%);
    opacity: 0.25;
}

.timeline-ruler > .markers > .marker.timestamp {
    border-left-color: hsl(119, 100%, 21%);
    opacity: 0.25;
}

.timeline-ruler > .selection-drag {
    position: absolute;
    top: 0;
    height: 23px;
}

.timeline-ruler:not(.disabled, .resizing-selection) > .selection-drag {
    cursor: -webkit-grab;
    pointer-events: all;
}

.timeline-ruler:not(.disabled, .resizing-selection) > .selection-drag:active {
    cursor: -webkit-grabbing;
}

.timeline-ruler > .selection-handle {
    position: absolute;
    top: 0;
    width: 8px;
    height: 22px;
    border-radius: 5px;
    background-color: hsl(0, 0%, 64%);
    border: 1px solid white;
    cursor: col-resize;
    pointer-events: all;
    z-index: 15;

    --timeline-ruler-selection-handle-translateX: -4px;
}

.timeline-ruler.disabled > .selection-handle {
    display: none;
}

.timeline-ruler.selection-hidden > :matches(.selection-drag, .selection-handle, .shaded-area) {
    display: none;
}

.timeline-ruler > .selection-handle.clamped {
    border-color: hsl(0, 0%, 64%);
    background-color: white;
}

.timeline-ruler > .selection-handle:hover,
.timeline-ruler > .selection-handle:active {
    background-color: hsl(0, 0%, 50%);
    border-color: white;
}

.timeline-ruler.both-handles-clamped > .selection-handle {
    z-index: 14;
}

.timeline-ruler > .selection-handle.clamped.hidden {
    display: none;
}

body[dir=ltr] .timeline-ruler > .selection-handle.left,
body[dir=rtl] .timeline-ruler > .selection-handle.right {
    transform: translateX(var(--timeline-ruler-selection-handle-translateX));
}

body[dir=ltr] .timeline-ruler > .selection-handle.right,
body[dir=rtl] .timeline-ruler > .selection-handle.left {
    transform: translateX(calc(-1 * var(--timeline-ruler-selection-handle-translateX)));
}

.timeline-ruler > .shaded-area {
    position: absolute;
    top: 0;
    bottom: 0;
    background-color: hsla(0, 0%, 0%, 0.1);
    z-index: 15;
}

body[dir=ltr] .timeline-ruler > .shaded-area.left,
body[dir=rtl] .timeline-ruler > .shaded-area.right {
    left: 0;
}

body[dir=ltr] .timeline-ruler > .shaded-area.right,
body[dir=rtl] .timeline-ruler > .shaded-area.left {
    right: 0;
}