src/assets/record.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.

// The whole record page.
.record-page {
  position: relative;
  overflow-y: auto;
  background-color: #fefefe;
  padding: 40px 20px;
}

// The always-visible centered box that has menu and sections on the right.
.record-container {
  max-width: 900px;
  min-height: 500px;
  margin: auto;
  border-radius: 5px;
  box-shadow: 0 1px 2px 0#aaa, 0 1px 3px 1px #eee;
  background-color: #fff;
  display: grid;
  grid-template-columns: 2fr 5fr;
  grid-template-rows: 1fr;
  grid-template-areas: "sidebar section";
  overflow: hidden;
}

// The left-hand-side menu with 'Cpu', 'Memory' etc.
.record-menu {
  grid-area: sidebar;
  .rec { color: #ee3326; }

  background-color: #fcfcfc;
  border-right: 1px solid #eee;
  padding-bottom: 1em;

  header {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 700;
    margin: 1em;
  }

  ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }

  a, a:link, a:visited {
    text-decoration: none;
  }

  li {
    @include transition();
    display: block;
    height: 55px;
    padding: 0 1em;
    font-size: 15px;
    letter-spacing: 0.5px;
    font-family: 'Raleway';
    font-weight: 600;
    color: #666;
    display: grid;
    grid-template-columns: 50px 1fr;
    grid-template-rows: 40px 1fr;
    grid-template-areas: "icon title" "icon subtext";
    cursor: pointer;
    overflow: hidden;

    i {
      margin: auto;
      border-radius: 100%;
      font-size: 32px;
      width: 38px;
      height: 38px;
      padding: 3px;
      background: #eee;
      grid-area: icon;
    }

    .title {
      transition: line-height .25s ease;
      grid-area: title;
      line-height: 55px;
      display: block;
    }

    .sub {
      @include transition(0.5s);
      grid-area: subtext;
      font-size: 10px;
      line-height: 12.5px;
      margin-top: -5px;
      opacity: 0;
    }

    &:hover {
      background-color: hsl(214, 0%, 90%);
      .title { line-height: 50px; }
      .sub {
        opacity: 1;
        transition-duration: 0.25s;
        transition-delay: 0.0s;
      }
    }

    &.active {
      background-color: hsl(214, 80%, 70%);
      .title, .sub {
        color: white;
      }
    }
  }  // li
}  // record-menu


.record-section {
  grid-area: section;
  background: #fff;
  transition: opacity 0.25s ease;
  opacity: 0;
  visibility: hidden;

  &:not(.active) {
    max-height: 0;
  }

  &.active {
    visibility: visible;
    opacity: 1;
  }

  // By default space all section elements by the same amount.
  --record-section-padding: 20px;

  >* {
    padding-left: var(--record-section-padding);
    padding-right: var(--record-section-padding);
    &:first-child { padding-top: 20px; }
    &:last-child { padding-bottom: 20px; }
  }

  >header {
    text-align: center;
    font-family: 'Raleway';
    font-size: 20px;
    padding: 15px 10px;
    color: #333;
    letter-spacing: 0.5px;
  }

  .hide {
    opacity: 0;
    visibility: hidden;
  }

  .probe {
    display: grid;
    grid-template-rows: 40px 1fr;
    grid-template-columns: 220px 1fr;
    grid-template-areas: "label label" "img descr";
    transition: color 0.2s ease;
    padding-top: var(--record-section-padding);
    padding-bottom: var(--record-section-padding);

    &:nth-of-type(2n) {
      background-color: #f9f9f9;
    }

    >img {
      transition: filter 0.2s ease, opacity 0.2s ease;
      grid-area: img;
      width: 210px;
      box-sizing: content-box;
      cursor: pointer;
      opacity: 0.5;
      filter: saturate(0.15);
    }

    &:hover {
      >img { opacity: 1; }
      >label {
        color: #333;
        input[type=checkbox]::after {
          background: hsl(207, 60%, 60%);
        }
      }
    }  // :hover

    >label {
      grid-area: label;
      cursor: pointer;
      font-family: 'Roboto' , sans-serif;
      font-size: 20px;
      font-weight: 400;
      color: #999;

      // The per-probe on-off switch.
      input[type=checkbox] {
        -moz-appearance: none;
        -webkit-appearance: none;
        cursor: pointer;
        margin: 0 10px 0 3px;
        position: relative;
        display: inline-block;
        height: 20px;
        width: 44px;
        background: #89898966;
        border-radius: 100px;
        transition: all 0.3s ease;
        overflow: visible;
        vertical-align: middle;

        &:focus {
          outline: none;
        }

        &::after {
          position: absolute;
          left: -2px;
          top: -3px;
          display: block;
          width: 26px;
          height: 26px;
          border-radius: 100px;
          background: #f5f5f5;
          box-shadow: 0px 3px 3px rgba(0,0,0,0.15);
          content: '';
          transition: all 0.3s ease;
        }
        &:checked {
          background: #8398b7;
        }
        &:focus::after {
          background: hsl(207, 60%, 60%);
        }
        &:checked::after {
          left: 20px;
          background: #27303d;
        }
      }  // checkbox
    }  // label

    // The content of the probe section.
    >div {
      grid-area: descr;
      font-size: 14px;
      font-weight: 200;
      min-height: 50px;
      color: #666;
      line-height: 20px;
    }

    // .probe-config is showed only when the probe is enabled.
    .probe-config {
      @include transition(0.3s);
      opacity: 0;
      visibility: hidden;
      margin: 10px 10px 0 0;
      max-height: 0;
    }

    &.enabled {
      .probe-config {
        opacity: 1;
        visibility: visible;
        max-height: 100vh;
      }
      >label span { color: #4e80b7; }
      >img {
        filter: saturate(1);
        opacity: 1;
      }
    }
  }  // probe

  // The three "Stop when full", "Ring buffer", "Long trace" buttons.
  .record-mode {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-areas: ". . .";
    grid-template-rows: 1fr;
    padding-top: 0;

    input[type=radio] {
      appearance: none;
      -webkit-appearance: none;
      display: none;
    }

    >* {
      @include transition(0.2s);
      cursor: pointer;
      border-radius: 15px;
      margin: 5px;
      text-align: center;
      background-color: #eee;
      font-family: 'Raleway', sans-serif;
      font-size: 20px;
      @media (max-width: 1280px) {
        font-size: 1.6vw;
      }
      padding-bottom: 10px;

      &:hover {
        background-color: hsl(88, 50%, 84%);
        box-shadow: 0 0 4px 0px #999;
      }

      &.selected {
        background-color: hsl(207, 90%, 74%);
        background-color: hsl(88, 50%, 67%);
        box-shadow: 0 0 4px 0px #999;
      }

      img {
        width: 100%;
      }
    }
  }  // record-mode

  // There are two types of sliders:
  // 1) The full-width one (default), e.g. the one used in the main recording
  //    page for the duration of the trace. This one has both an icon and a
  //    label on the top.
  // 2) The smaller ones (.thin) used in the probes. This one has no icon and
  //    the label is just next to the slider.
  .slider {
    @include transition(0.3s);
    display: grid;
    grid-template-columns: 40px 1fr 130px 0;
    grid-template-rows: 30px 1fr;
    grid-template-areas: "hdr hdr hdr hdr" "icon slider label unit";
    margin-top: var(--record-section-padding);

    &.thin {
      grid-template-columns: 1fr 3fr 100px 0;
      grid-template-rows: 45px;
      grid-template-areas: "hdr slider label unit";
      margin-top: initial;
    }

    >* {
      height: 40px;
      line-height: 40px;
    }

    >header {
      @include transition(0.3s);
      opacity: 0.6;
      color: #333;
      grid-area: hdr;
    }

    &.thin >header {
      opacity: 1;
      color: #666;
      font-size: 14px;
    }

    &:hover > header {
      opacity: 1;
      transition-duration: 0.15s;
    }

    >i {
      grid-area: icon;
      font-size: 32px;
      color: #333;
    }

    input[type=range] {
      grid-area: slider;
      width: 100%;
      appearance: none;
      -webkit-appearance: none;
      scroll-snap-type: mandatory;
      background-color : transparent;
      outline: none;

      &::-webkit-slider-runnable-track {
        margin: 10px;
        border-radius: 1px;
        width: 100%;
        height: 10px;
        background-color : #ddd;
        border-radius: 4px;
      }

      &::-webkit-slider-thumb {
        @include transition();
        appearance: none;
        -webkit-appearance: none;
        border: none;
        border-radius: 3px;
        height: 20px;
        width: 40px;
        background-color: rgb(33, 150, 243);
        margin-top: -5px;
        cursor: pointer;
        content: "";
      }

      &:hover::-webkit-slider-thumb,
      &:focus::-webkit-slider-thumb {
        box-shadow: 0 0 4px rgb(16, 81, 134);
        transform: scale(1, 1.1);
      }
    }

    &.thin input[type=range]::-webkit-slider-runnable-track {
      height: 8px;
    }

    &.thin input[type=range]::-webkit-slider-thumb {
      width: 20px;
      border-radius: 100%;
    }

    .spinner {
      @include transition();
      grid-area: label;
      border: 1px solid #fafafa;
      border-bottom: 2px solid #ddd;
      padding: 0 5px;
      border-radius: 2px;
      background-color: rgba(255, 255, 255, 60%);
      font-family: 'Roboto', sans-serif;
      font-size: 16px;
      font-weight: 100;
      height: 35px;
      outline: none;

      &::-webkit-inner-spin-button,
      &::-webkit-outer-spin-button,
      &::-webkit-clear-button {
        -webkit-appearance: none;
        margin: 0;
      }

      &:hover, &:focus {
        border-bottom-color: hsl(207, 90%, 54%);
        background-color: hsl(207, 50%, 97%);;
      }

      &:invalid {
        border-bottom-color: hsl(9, 90%, 54%);
        background-color: hsl(9, 50%, 97%);;
      }
    }

    &.thin .spinner {
      font-size: 14px;
    }

    .unit {
      grid-area: unit;
      font-size: 12px;
      color: #666;
      position: relative;
      line-height: 37px;
      overflow: hidden;
      width: 35px;
      left: -45px;
      text-align: right;
    }
  }

  .dropdown {
    border: 1px solid #eee;
    outline: none;
    -webkit-appearance: none;

    &:not(.multicolumn) {
      overflow: hidden;
      height: 25px;
      padding: 0 5px;
      &:focus, &:hover {
        height: 30vh;
        position: absolute;
        overflow: auto;
        box-shadow: 0 0 15px 0 #eee;
      }
    }

    option, optgroup {
      @include transition();
      min-height: 25px;
      font-size: 12px;
      color: #666;
      cursor: pointer;
      padding: 5px 0;
    }

    option {
      padding: 2.5px 5px;
      border-bottom: 1px solid #eee;
      &:hover {
        background-color: hsl(214, 80%, 90%);
      }
      &::before {
        display: none;
        content: '';
      }
    }

    &.multicolumn {
      padding: 0;
      max-width: 100%;
      width: 100%;
      overflow-y: auto;
      optgroup {
        display: grid;
        padding: 0;
        grid-template-columns: 1fr 1fr 1fr;
      }
      option {
        &:nth-of-type(3n + 1) {
          border-left: 1px solid #eee;
          border-right: 1px solid #eee;
        }
        margin: 0;
      }
    }
  }

  .atrace-categories {
    height: 227px;
  }

  .ftrace-events {
    height: 152px;
  }

  textarea.extra-input {
    width: 100%;
    height: 60px;
    border: 1px solid #eee;
    resize: none;
    outline: none;
    font-family: var(--monospace-font);

    &::placeholder { color: #aaa; }
  }

  .code-snippet {
    display: block;
    position: relative;
    padding: 0;
    margin: var(--record-section-padding);
    background-color: #111;
    border-radius: 4px;
    user-select: text;
    box-shadow: 0 0 12px #999;


    @keyframes ripple{
      0% { transform: scale(1.00); }
      30% { transform: scale(1.20); }
      60% { transform: scale(1.00); }
      80% { transform: scale(1.30); }
      100% { transform: scale(1.20); }
    }

    &::before {
      height: 20px;
      content: "";
      display: block;
      background-color: #598eca;
    }

    >code {
      display: block;
      margin: 10px 5px 20px 20px;
      color: #ccc;
      font-family: var(--monospace-font);
      font-size: 12px;
      line-height: 20px;
      overflow-y: auto;

      // 510px and not 500px, so the overflowing line gets truncated, giving
      // a clear indication that the code box scrolls.
      max-height: 510px;
    }

    >button {
      @include transition();
      display: inline-block;
      position: absolute;
      top: 30px;
      right: 20px;
      color: white;
      border-radius: 100%;
      background-color: #333;
      box-shadow: 0 0 2px rgba(255, 255, 255, 200);
      padding: 5px;
      font-size: 16px;
      line-height: 13px;  // Deliberately smaller to center the icon.
      user-select: none;

      &:hover {
        background-color: #444;
        transform: scale(1.1);
      }
    }

    &:active:hover >button:not(:hover) {
      animation: ripple linear 0.5s;
      background-color: #701d17;
      transform: scale(1.1);
    }

    >button:active:hover {
      transform: scale(0.9);
    }
  }  // code-snippet

  &.instructions {
    label, select {
      font-weight: 100;
      color: #333;
      font-size: 16px;
      font-family: 'Roboto', sans-serif;
    }

    .note {
      border: 1px dashed #ddd;
      background: #f9eeba;
      margin: var(--record-section-padding);
      padding: 10px;
      font-family: 'Roboto', sans-serif;
      font-size: 14px;
      line-height: 20px;
    }

    select {
      @include transition();
      margin-left: 10px;
      border-radius: 0;
      border: 1px solid #eee;
      outline: none;

      &:hover, &:active {
        box-shadow: 0 0 6px #ccc;
      }
    }
  }
}  // record-section