:root {
  --color-1: rgb(109, 149, 115);
  --color-2: rgb(255, 255, 255);
  --color-3: #24383e;
  --color-4: #939393;

  /*error red*/
  --color-5: #bd0000;

  --circle-color-1: rgba(147, 147, 147, 0.94);
  --circle-color-2: rgba(36, 56, 62, 0.3);
  --point-color: rgba(109, 149, 115, 0.5);
  --point-border-color: rgba(109, 149, 115, 1);
  --point-color-2: rgba(83, 135, 116, 0.5);
  --point-border-color-2: #538774;
  --point-color-3: rgba(63, 120, 114, 0.5);
  --point-border-color-3: #3F7872;
  --point-color-4: rgba(51, 104, 110, 0.5);
  --point-border-color-4: #33686E;
  --point-color-5: rgba(47, 88, 101, 0.5);
  --point-border-color-5: #2F5865;
  --point-color-6: rgba(47, 72, 88, 0.5);
  --point-border-color-6: #2F4858;

  --quadrant-color-1: rgba(109, 149, 115, 0.5);
  --quadrant-color-2: rgba(147, 147, 147, 0.5);

  --header-size: 100px;
  --header-margin: 20px;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  /*background: linear-gradient(to right, #4b6cb7, #182848);*/
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), var(--color-2) 90%) no-repeat,url(../img/banner-1.jpeg) no-repeat;
  color: #fff;
}

#content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}


.landing-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 400px;
  padding: 0 50px 100px 50px;
  border-radius: 15px;
  border: solid 4px var(--color-3);
  /*height: 100vh*/
  background: var(--color-2);
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.button-container {
  display: flex;
  gap: 20px;
}

.dashboard-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  padding: 20px;
  background: var(--color-1);
  border: solid 4px var(--color-3);
  color: #fff;
  border-radius: 15px;
  transition: background 0.3s ease;
}

.dashboard-button:hover {
  background: linear-gradient(to bottom, #2980b9, #21618c);
}

.dashboard-button img {
  width: 100px; /* Adjust image size */
  height: 100px; /* Adjust image size */
  /*margin-bottom: 10px;*/
  /*border-radius: 50%;*/
}

.chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  /*background: linear-gradient(to right, #4b6cb7, #182848);*/
  background: white;
  color: #fff;
}

.chart-container canvas {
  height: 10px;
}

#controls {
  display: flex;
  flex-direction: row;
  align-items: center;
  /*justify-content: center;*/
  margin-right: 20px;
  color: var(--color-3);
}

#controls .back-button {
  margin-right: 20px;
  width: 100px;
}

#controls .back-button img {
  width: 100%;
  filter: invert(1);
  transition: filter 0.1s ease;
}

#controls .back-button img:hover {
  filter: invert(0);
}

#controls .back-button img:active {
  filter: invert(0.2);
}

.slidecontainer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
}

/*slider*/
.slider {
  -webkit-appearance: none;
  width: 80%;
  height: 25px;
  border-radius: 5px;
  background: var(--color-2);
  outline: none;
  opacity: 0.7;
  -webkit-transition: .2s;
  transition: opacity .2s;

  border: solid 2px var(--color-3);
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-1);
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-1);
  cursor: pointer;
}

/*button*/
.button {
  display: inline-block;
  border-radius: 4px;
  background-color: var(--color-1);
  border: solid 2px var(--color-3);
  color: #FFFFFF;
  text-align: center;
  font-size: 20px;
  padding: 10px;
  /*width: 100px;*/
  transition: all 0.1s;
  cursor: pointer;
  margin: 5px;
  white-space: nowrap;
}

.button:hover {
  background-color: var(--color-2);
  color: var(--color-3);
}

header {
  padding: 10px 20px;
  height: var(--header-size);
}

.page-header {
  text-align: center;
  color: var(--color-3);
}

.page-header h1 {
  padding: 0;
  margin: 0;
}
#main {
  height: calc(100vh - var(--header-size) - var(--header-margin));
}