:root {
  /* Primary Colors */
  --purple-600: hsl(246, 80%, 60%);
  --orange-300: hsl(15, 100%, 70%);    /* work */
  --blue-300: hsl(195, 74%, 62%);      /* play */
  --pink-400: hsl(348, 100%, 68%);     /* study */
  --green-400: hsl(145, 58%, 55%);     /* exercise */
  --purple-700: hsl(264, 64%, 52%);    /* social */
  --yellow-300: hsl(43, 84%, 65%);     /* self care */

  /* Neutral Colors */
  --navy-950: hsl(226, 43%, 10%);
  --navy-900: hsl(235, 46%, 20%);
  --purple-500: hsl(235, 45%, 61%);
  --navy-200: hsl(236, 100%, 87%);
}

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

body {
  font-family: 'Rubik', sans-serif;
  font-size: 18px;
  background-color: var(--navy-950);
  color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.dashboard {
  max-width: 1110px;
  width: 100%;
  display: grid;
  gap: 1.5rem;
}

/* Profile Card Styles */
.profile-card {
  background-color: var(--navy-900);
  border-radius: 15px;
  overflow: hidden;
}

.profile-info {
  background-color: var(--purple-600);
  padding: 2rem;
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.profile-image {
  width: 70px;
  height: 70px;
  border: 3px solid white;
  border-radius: 50%;
}

.report-for {
  color: var(--navy-200);
  font-size: 0.9rem;
  font-weight: 300;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 300;
}

.time-period-selector {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.time-btn {
  background: none;
  border: none;
  color: var(--purple-500);
  font-family: 'Rubik', sans-serif;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: color 0.3s;
}

.time-btn:hover {
  color: white;
}

.time-btn.active {
  color: white;
}

/* Activity Card Styles */
.activity-card {
  border-radius: 15px;
  overflow: hidden;
  position: relative;
}

.activity-card-bg {
  height: 45px;
  position: relative;
  overflow: hidden;
}

.activity-card-bg img {
  position: absolute;
  top: -10px;
  right: 15px;
}

.activity-card-content {
  background-color: var(--navy-900);
  padding: 1.5rem;
  border-radius: 15px;
  position: relative;
  top: -15px;
  transition: background-color 0.3s;
}

.activity-card-content:hover {
  background-color: var(--purple-500);
  cursor: pointer;
}

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.activity-title {
  font-weight: 500;
  font-size: 1.1rem;
}

.ellipsis {
  cursor: pointer;
}

.activity-time {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.activity-previous {
  color: var(--navy-200);
  font-size: 0.9rem;
}

/* Color variations for activity cards */
.activity-card.work .activity-card-bg {
  background-color: var(--orange-300);
}

.activity-card.play .activity-card-bg {
  background-color: var(--blue-300);
}

.activity-card.study .activity-card-bg {
  background-color: var(--pink-400);
}

.activity-card.exercise .activity-card-bg {
  background-color: var(--green-400);
}

.activity-card.social .activity-card-bg {
  background-color: var(--purple-700);
}

.activity-card.self-care .activity-card-bg {
  background-color: var(--yellow-300);
}

/* Footer */
.attribution {
  font-size: 11px;
  text-align: center;
  margin-top: 2rem;
  color: var(--navy-200);
}

.attribution a {
  color: var(--purple-600);
}

/* Media Queries */
@media (min-width: 768px) {
  .dashboard {
    grid-template-columns: repeat(4, 1fr);
  }

  .profile-card {
    grid-row: span 2;
  }

  .profile-info {
    padding: 2rem 2rem 4rem;
  }

  .profile-image {
    width: 80px;
    height: 80px;
  }

  .profile-name {
    font-size: 2.5rem;
  }

  .time-period-selector {
    padding: 2rem;
  }

  .activity-cards {
    grid-column: span 3;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 767px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .profile-info {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }

  .time-period-selector {
    flex-direction: row;
    justify-content: space-between;
  }

  .activity-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .activity-time {
    font-size: 2rem;
  }
}