/* Import */
@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700;1,800;1,900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

/* Variables */
:root {
  /* Fonts */
  --sans-serif: "Poppins", sans-serif;
  --serif: "Playfair Display", serif;

  /* Colors */
  --primary: #864879;
  --secondary: #e9a6a6;
  --dark-alt: #1f1d36;
  --dark: #090621;
  --light: #ffffff;
  --light-alt: #f4fcfc;

  /* Shadow */
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Default */
* {
  margin: 0;
  padding: 0;
  outline: 0;
  box-sizing: border-box;
}
*::selection {
  background: var(--dark);
  color: var(--light-alt);
}
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--sans-serif);
  background: var(--dark-alt);
  overflow-x: hidden;
}
h1,
h2,
h3,
h4,
h5,
h6,
a,
p,
b,
i,
u,
ul,
ol,
li,
span {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
img,
video {
  width: 100%;
}
p {
  font-size: 16px;
  font-weight: 400;
  color: var(--dark-alt);
}

/* Main */
.content {
  width: 100%;
  min-height: 100vh;
  padding: 50px;
  background: var(--dark-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  position: relative;
}
.sequencer {
  width: 60%;
  background: var(--dark);
  padding: 50px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border-bottom: 5px solid var(--light-alt);
}

.track {
  width: 100%;
  display: flex;
  align-content: center;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 30px;
}
.track:last-child {
  margin-bottom: 0;
}
.track .options {
  width: 250px;
}
.track .options h5 {
  font-size: 18px;
  font-weight: 600;
  color: var(--light);
  margin-bottom: 10px;
}
.track .options div {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.track .options select {
  width: 180px;
  height: 40px;
  padding: 10px;
  border: 0;
  outline: none;
  border-radius: 0;
  background: #3a384d;
  box-shadow: var(--shadow);
  color: var(--light-alt);
  font-size: 14px;
  border: 0;
  outline: 0;
}
.track .options button {
  outline: 0;
  border: 0;
  color: var(--light);
  margin-left: 20px;
  font-size: 20px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  background: #3a384d;
  box-shadow: var(--shadow);
  text-align: center;
  line-height: 40px;
  transition: 0.5s ease all;
}
.track .options button.active {
  background: var(--dark-alt);
}
.track .options button i {
  pointer-events: none;
}
.track .steps {
  width: calc(100% - 320px);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 20px;
}
.track .steps .pad {
  width: 30px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: 0.5s ease all;
}
.track .steps .pad.active {
  background: var(--secondary);
}

.controls {
  width: 40%;
  text-align: center;
}
.controls h1 {
  font-size: 40px;
  font-weight: 600;
  color: var(--light);
  margin-bottom: 50px;
}
.controls button {
  width: 70px;
  height: 70px;
  background: var(--primary);
  border: 0;
  outline: 0;
  border-radius: 50%;
  text-align: center;
  line-height: 70px;
  font-size: 25px;
  box-shadow: var(--shadow);
  color: var(--dark);
  margin-bottom: 30px;
  cursor: pointer;
  transition: 0.5s ease all;
}
.controls button.active {
  background: var(--secondary);
}
.controls .tempo {
  width: 100%;
  margin: auto;
}
.controls .tempo input {
  width: 70%;
  cursor: pointer;
  appearance: none;
  background: #3a384d;
  box-shadow: var(--shadow);
  border-radius: 10px;
  position: relative;
}
.controls .tempo p {
  font-size: 20px;
  font-weight: 400;
  color: var(--light-alt);
  margin-top: 15px;
}
.controls .tempo p b {
  font-weight: 700;
  margin-left: 15px;
  font-size: 25px;
}

/* Keyframes */
@keyframes playTrack {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.2);
  }
}