* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgb(27, 136, 169);
  color: white;
}

.container {
  background: rgb(80, 212, 217);
  backdrop-filter: blur(0.625rem);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 22rem;
}

.tabs {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 0;
  margin: -1.5rem -1.5rem 1.5rem -1.5rem;
  background: rgb(0, 170, 206);
  border-top-left-radius: 1.25rem;
  border-top-right-radius: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
  cursor: pointer;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  transition: background-color 0.3s, opacity 0.3s;
}

button {
  border: none;
  background: none;
}

.tab.active {
  background: rgb(12, 155, 189);
  opacity: 1;
}

.tab i {
  font-size: 1.7rem;
  color: rgba(255, 255, 255, 0.95);
}

.tab span {
  font-size: 0.7rem;
  padding-top: 0.7rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.9);
}

.timer-container {
  text-align: center;
}

h2 {
  font-weight: 500;
}

.time-inputs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin: 1.5rem 0.2rem;
}

.time-inputs input {
  width: 3.75rem;
  padding: 0.5rem;
  border-radius: 0.3rem;
  border: none;
  text-align: center;
  font-size: 1rem;
}

.time-inputs button {
  background: #00b4d8;
  color: #fff;
  border: none;
  padding: 0.625rem 0.9375rem;
  border-radius: 0.5rem;
  cursor: pointer;
}

.timer-circle {
  position: relative;
  width: 15rem;
  height: 15rem;
  margin: 0 auto 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.time {
  font-size: 3rem;
  font-weight: 300;
  z-index: 1;
}

.progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  transform: rotate(-90deg);
}

.progress-ring__circle {
  stroke: #fff;
  transition: stroke-dashoffset 0.5s linear;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  stroke-linecap: round;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.fa-times {
  color: red;
}

.control-btn {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: #00b4d8;
  transition: transform 0.2s, background-color 0.2s;
}

.control-btn:hover {
  transform: scale(1.05);
  background: white;
}

.control-btn:active {
  transform: scale(0.95);
}