<!-- Based on: https://dribbble.com/shots/5260798-Process -->

<div class="toggle">
    <span>☀️</span>
    <input type="checkbox" id="toggle-switch" />
    <label for="toggle-switch"></label>
    <span>🌙</span>
</div>
<div class="main-container">
    <div class="steps-container">
        <div class="step completed">
            <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
                <path d="M20.285 2l-11.285 11.567-5.286-5.011-3.714 3.716 9 8.728 15-15.285z" />
            </svg>
            <div class="label completed">
                Prospect
            </div>
            <div class="icon completed">
                <i class="far fa-handshake"></i>
            </div>
        </div>
        <div class="line completed"></div>
        <div class="step completed">
            <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
                <path d="M20.285 2l-11.285 11.567-5.286-5.011-3.714 3.716 9 8.728 15-15.285z" />
            </svg>
            <div class="label completed">
                Tour
            </div>
            <div class="icon completed">
                <i class="far fa-map"></i>
            </div>
        </div>
        <div class="line next-step-in-progress">
        </div>
        <div class="step in-progress">
            <div class="preloader"></div>
            <div class="label loading">
                Offer
            </div>
            <div class="icon in-progress">
                <i class="far fa-money-bill-alt"></i>
            </div>
        </div>
        <div class="line prev-step-in-progress"></div>
        <div class="step">
            <div class="label">
                Contract
            </div>
            <div class="icon">
                <i class="far fa-newspaper"></i>
            </div>
        </div>
        <div class="line"></div>
        <div class="step">
            <div class="label">
                Settled
            </div>
            <div class="icon">
                <i class="fas fa-home"></i>
            </div>
        </div>
    </div>
</div>

@import url('https://fonts.googleapis.com/css?family=Muli:700');

:root {
  --background-modal-color: #fff;
  --body-color: #fff;
  --color-timeline-default: #D2D3D8;
  --color-step-completed: #5C6174;
  --color-checkmark-completed: #fff;
  --color-in-progress: #13CB8F;
  --color-label-default: var(--color-timeline-default);
  --color-label-completed: var(--color-step-completed);
  --color-label-loading: var(--color-in-progress);
  --color-icon-completed: var(--color-step-completed);
  --color-icon-default: var(--color-timeline-default);
  &.dark-mode {
     --color-checkmark-completed: #fff;
    --background-modal-color: #5C6174;
    --color-timeline-default: #9799A3;
    --color-checkmark-completed: var(--background-modal-color);
    --body-color: #fff;
    --color-step-completed: #fff;
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Muli', sans-serif;
  background: var(--body-color);
  padding: 0;
  margin: 0;
  display: flex;
  width: 100vw;
  height: 100vh;
  justify-content: center;
  align-items: center;
  position: relative;
  // TOGGLE SWITCH - https://codepen.io/stefen/pen/VNVaYW
  .toggle {
    transform: scale(0.8);
    position: absolute;
    bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    max-width: 140px;
    span {
      margin: 0 0.5rem;
    }
    input[type="checkbox"] {
      height: 0;
      width: 0;
      visibility: hidden;
      &:checked + label {
        background: #13CB8F;
      }
      &:checked + label:after {
        left: calc(100% - 2px);
        transform: translateX(-100%);
      }
    }
    label {
      cursor: pointer;
      width: 75px;
      height: 34px;
      background: #D2D3D8;
      display: block;
      border-radius: 40px;
      position: relative;
      &:after {
        content: "";
        position: absolute;
        top: 2px;
        left: 2px;
        width: 30px;
        height: 30px;
        background: #fff;
        border-radius: 40px;
        transition: 0.3s;
      }
    }
  }
  .main-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 200ms ease;
    background: var(--background-modal-color);
    height: 220px;
    min-width: 420px;
    max-width: 750px;
    flex-grow: 1;
    border-radius: 5px;
    box-shadow: 0 2px 5px 0 rgba(0,0,0,0.14);
    .steps-container {
      padding: 40px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      .step {
        z-index: 1;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 200ms ease;
        flex-grow: 0;
        height: 15px;
        width: 15px;
        border: 4px solid var(--color-timeline-default);
        border-radius: 50%;
        .preloader, svg {
          display: none;
        }
        &.completed {
          width: 18px;
          height: 18px;
          background: var(--color-step-completed);
          border: none;
          svg {
            transition: all 200ms ease;
            display: block;
            height: 10px;
            width: 10px;
            fill: var(--color-checkmark-completed);
          }
        }
        &.in-progress {
          width: 18px;
          height: 18px;
          background: var(--color-in-progress);
          border: none;
          .preloader {
            display: block;
            height: 10px;
            width: 10px;
            border: 2px solid #fff;
            border-radius: 50%;
            border-left-color: transparent;
            animation-name: spin;
            animation-duration: 2000ms;
            animation-iteration-count: infinite;
            animation-timing-function: linear; 
          }
        }
        .label {
          position: absolute;
          top: 30px;
          filter: none;
          z-index: 2000;
          color: var(--color-label-default);
          transition: all 200ms ease;
          font-weight: 700;
          &.completed {
            color: var(--color-label-completed);
          }
          &.loading {
            color: var(--color-label-loading);
          }
        }
        .icon {
          font-size: 40px;
          position: absolute;
          top: -60px;
          color: var(--color-icon-default);
          transition: color 200ms ease;
          &.completed {
           color: var(--color-icon-completed); 
          }
          &.in-progress {
            color: var(--color-in-progress);
          }
        }
      }
      .line {
        transition: all 200ms ease;
        height: 2px;
        flex-grow: 1;
        max-width: 120px;
        background: var(--color-timeline-default);
        &.completed {
          background: var(--color-step-completed);
        }
        &.next-step-uncomplete {
            background: linear-gradient(to right, var(--color-step-completed), var(--color-timeline-default));
        }
        &.next-step-in-progress {
          background: linear-gradient(to right, var(--color-step-completed), var(--color-in-progress));
        }
        &.prev-step-in-progress {
         background: linear-gradient(to right,var(--color-in-progress), var(--color-timeline-default));
        }
      }
    }
  }
}


@keyframes spin {
    from {
        transform:rotate(0deg);
    }
    to {
        transform:rotate(360deg);
    }
}

const toggleSwitch = document.getElementById('toggle-switch');

toggleSwitch.onchange = (e) => {
  document.documentElement.classList.toggle('dark-mode');
}