ui/src/assets/topbar.scss

// Copyright (C) 2018 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
@mixin omnibox-width() {
    width: 90%;
    max-width: 600px;
}

.topbar {
    grid-area: topbar;
    position: relative;
    z-index: 3;
    overflow: visible;
    background-color: hsl(215, 1%, 95%);
    box-shadow: 0px -3px 14px 2px #bbb;
    line-height: var(--topbar-height);
    .omnibox {
        @include omnibox-width();
        @include transition(0.25s);
        display: grid;
        grid-template-areas: "icon input";
        grid-template-columns: 34px auto;
        border-radius: 20px;
        background-color: #fcfcfc;
        border: 0;
        margin: 6px auto 0 auto;
        height: 36px;
        line-height: 36px;
        &:before {
            @include material-icon('search');
            vertical-align: middle;
            font-size: 32px;
            margin: 5px;
            color: #aaa;
            grid-area: icon;
        }
        input {
            grid-area: input;
            border: 0;
            padding: 0 10px;
            font-size: 18px;
            font-family: 'Google Sans';
            color: #666;
            background-color: transparent;
            &:focus {
                outline: none;
            }
            &::placeholder {
                color: #b4b7ba;
                font-family: 'Raleway';
                font-weight: 400;
            }
        }
        &.command-mode {
            // background-color: #354252;
            background-color: #111;
            border-radius: 0;
            width: 100%;
            max-width: 100%;
            margin-top: 0;
            border-left: 1px solid #404854;
            height: var(--topbar-height);
            input {
                color: #9ddc67;
                font-family: var(--monospace-font);
                padding-left: 0;
            }
            &:before {
                content: 'attach_money';
                color: #9ddc67;
                font-size: 26px;
                padding-top: 5px;
            }
        }
        &.message-mode {
            background-color: hsl(0, 0%, 89%);
            border-radius: 4px;
            input::placeholder {
                font-weight: 400;
                font-family: var(--monospace-font);
                color: hsl(213, 40%, 50%);
            }
            &:before {
                content: 'bubble_chart';
            }
        }
    }
    .omnibox-results {
        @include transition(0.25s);
        @include omnibox-width();
        position: absolute;
        z-index: 1;
        max-height: 250px;
        top: calc(var(--topbar-height) + 2px);
        left: 0;
        right: 0;
        margin: auto;
        background-color: hsla(213, 0%, 95%, 0.99);
        box-shadow: 0 3px 9px #ccc;
        border-radius: 0 0 5px 5px;
        >* {
            height: 24px;
            line-height: 24px;
            padding: 0 10px;
            font-family: 'Raleway', sans-serif;
            font-size: 14px;
            vertical-align: middle;
            color: #666;
            border-bottom: 1px solid #eee;
            &:hover {
                background-color: hsl(213, 20%, 92%);
            }
            &.selected {
                background-color: hsl(213, 40%, 90%);
            }
        }
    }
    .progress {
        position: absolute;
        bottom: 0;
        height: 1px;
        width: 100%;
        &:before {
            content: '';
            position: absolute;
            background-color: hsl(219, 50%, 50%);
            top: 0;
            left: 0;
            bottom: 0;
            will-change: left, right;
            animation: indeterminate 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
        }
        &:after {
            content: '';
            position: absolute;
            background-color: hsl(219, 50%, 50%);
            top: 0;
            left: 0;
            bottom: 0;
            will-change: left, right;
            animation: indeterminate-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
            animation-delay: 1.15s;
        }
    }
    @keyframes indeterminate {
        0% {
            left: -35%;
            right: 100%;
        }
        60% {
            left: 100%;
            right: -90%;
        }
        100% {
            left: 100%;
            right: -90%;
        }
    }
    @keyframes indeterminate-short {
        0% {
            left: -35%;
            right: 100%;
        }
        60% {
            left: 100%;
            right: -90%;
        }
        100% {
            left: 100%;
            right: -90%;
        }
    }
}