:root {
  --timer-shadow: inset 2px 2px 5px 0px rgba(0, 0, 0, 0.6), inset -2px -2px 5px 0px rgba(255, 255, 255, 0.1),
    -2px -2px 10px 0px rgba(255, 255, 255, 0.1), 2px 2px 10px 0px rgba(0, 0, 0, 0.6);
  --timer-background-color: #1d1d1d;
  --light-txt: rgb(143, 143, 143);
  --accent-blue: rgb(14, 140, 198);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}
button:hover {
  cursor: pointer;
}
.message {
  width: 100%;
  margin: 5px 0;
  padding: 0 px 10px;
  text-align: center;
  color: red;
  user-select: text;
  opacity: 0;
  transition: 0.3s;
}
.visible-message{
  opacity: 1;
}

.wrapper {
  display: flex;
  flex-direction: row;
  width: 600px;
  height: 315px;
  margin: 0 auto;
  padding: 20px;
  justify-content: space-evenly;
  perspective: 400px;
  perspective-origin: 0 50%;
}
.timer,
.history {
  padding: 10px 10px 20px 10px;
  border: 1px solid #202020;
  border-radius: 5px;
  background-color: #2c2c2c;
}
.timer {
  padding: 10px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40%;
}
.history-control {
  position: absolute;
  padding: 2px 5px;
  top: 40px;
  right: -28px;
  transform: rotate(-90deg);
  border: 1px solid #202020;
  background-color: var(--timer-background-color);
  font-size: 10px;
  color: var(--light-txt);
  border-radius: 5px 5px 0px 0px;
}
.history-control svg {
  width: 10px;
  height: 10px;
  fill: var(--light-txt);
  transform: rotate(180deg);
  margin-left: 5px;
  transition: 0.3s;
}
.history-control:hover {
  box-shadow: 0px 0px 5px 0px var(--accent-blue);
}
.history {
  position: relative;
  width: 50%;
  transform: translate(-120%) rotateY(90deg) scaleY(0.5);
  z-index: -1;
  transition: 0.4s;
}
.history-body {
  height: 235px;
  overflow-y: scroll;
}

.history-body::-webkit-scrollbar {
  width: 5px; /* ширина всієї смуги прокрутки */
}
.history-body::-webkit-scrollbar-track {
  background: var(--timer-background-color); /* колір скролінгової області */
}
.history-body::-webkit-scrollbar-thumb {
  background-color: var(--accent-blue); /* колір скролбару */
  border-radius: 3px;
  border: 1px solid var(--timer-background-color); /* додає паддінги навколу скролу */
}
.history-element {
  display: flex;
}
.history-element.header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
}
.history-element > p {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  padding: 3px 0;
  border: 1px solid var(--light-txt);
  color: var(--light-txt);
}
.active {
  transform: translate(0) rotateY(0) scaleY(1);
}
.progress {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 150px;
  height: 150px;
  margin-bottom: 20px;
  background: conic-gradient(var(--accent-blue) 0 100%, var(--timer-background-color) 0 50%);
  border-radius: 50%;
  box-shadow: 0px 0px 10px 0px var(--accent-blue);
}
.display-time {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 142px;
  height: 142px;
  border-radius: 50%;
  background-color: var(--timer-background-color);
  color: var(--light-txt);
}
.timer-time {
  font-family: 'Courier Prime', monospace;
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
  /* color: var(--light-txt); */
}

.controls,
.add-time,
.timer-control {
  display: flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 10px;
}
.controls {
  flex-direction: column;
}
.timer-control svg {
  width: 20px;
  height: 20px;
}
.btn {
  display: flex;
  justify-content: center;
  align-content: center;
  flex-wrap: wrap;
  width: 30px;
  height: 30px;
  border-radius: 5px;
  border: none;
  background-color: var(--timer-background-color);
  box-shadow: var(--timer-shadow);
  transition: 0.3s;
}
.minus,
.plus {
  font-size: 24px;
  line-height: 1;
  color: var(--light-txt);
}
.clear-history {
  position: absolute;
  width: 25px;
  height: 25px;
  padding: 0 5px;
  top: 5px;
  right: 5px;
  z-index: 2;
}
.clear-history svg {
  width: 25px;
  height: 25px;
  fill: var(--accent-blue);
}

.clear-history:hover svg {
  fill: var(--timer-background-color);
}
.clear-history:hover {
  background-color: var(--light-txt);
}
.history-element {
  display: flex;
  width: 100%;
  border-bottom: 1px solid var(--light-txt);
  color: var(--light-txt);
  padding: 3px;
}
.day {
  width: 20%;
}
.time-start,
.time-end,
.total-time {
  flex: 1 1 auto;
}
.history-element > span {
  padding: 0px 5px;
  font-size: 12px;
  color: var(--light-txt);
}
.btn svg {
  fill: var(--accent-blue);
  transition: 0.3s;
}
.history-empty {
  display: block;
  color: var(--light-txt);
  padding: 10px;
}
.btn.start:hover svg {
  fill: rgb(29, 122, 29);
}
.btn.stop:hover svg {
  fill: rgb(155, 31, 31);
}
.btn.reset:hover svg {
  fill: rgb(155, 31, 31);
}

.active-timer {
  animation: timerPuls 1s linear infinite;
}
.btn:disabled svg {
  fill: var(--light-txt);
}
@keyframes timerPuls {
  0% {
    color: var(--light-txt);
  }
  50% {
    color: var(--accent-blue);
  }
  100% {
    color: var(--light-txt);
  }
}
.timer-input {
  width: 40px;
  height: 40px;
  border-radius: 5px;
  font-size: 20px;
  line-height: 1;
  text-align: center;
  padding: 3px;
  background-color: var(--timer-background-color);
  border: none;
  box-shadow: var(--timer-shadow);
  color: var(--light-txt);
}
.timer-input:focus {
  outline: none;
  user-select: none;
}
.btn:disabled {
  cursor: no-drop;
}
@media (max-width: 600px) {
  .wrapper {
    width: clamp(300px, 100%, 450px);
    height: auto;
    gap: 10px;
    margin: 0 auto;
    flex-direction: column;
    padding: 20px;
    perspective-origin: 50% 50%;
  }
  .timer,
  .history {
    width: clamp(100%, 100%, 300px);
    padding: 10px 20px;
    height: 290px;
  }
  .history {
    position: relative;
    transform: translateY(-100%) rotateX(45deg) scaleX(0.6);
    z-index: -1;
    transition: 0.4s;
  }

  .active {
    transform: translateY(0) rotateX(0) scaleX(1);
  }

  .history-control {
    top: 265px;
    right: 10px;
    transform: rotate(0);
  }
  /* .clear-history {

  } */
}