:root {
  /* Primary Colors */
  --blue: hsl(246, 80%, 60%);
  --light-orange: hsl(15, 100%, 70%); /* work */
  --soft-blue: hsl(195, 74%, 62%); /* play */
  --light-red: hsl(348, 100%, 68%); /* study */
  --lime-green: hsl(145, 58%, 55%); /* exercise */
  --violet: hsl(264, 64%, 52%); /* social */
  --soft-orange: hsl(43, 84%, 65%); /* self care */

  /* Neutral Colors */
  --very-dark-blue: hsl(226, 43%, 10%);
  --dark-blue: hsl(235, 46%, 20%);
  --desaturated-blue: hsl(235, 45%, 61%);
  --pale-blue: hsl(236, 100%, 87%);

  /* Animation Durations */
  --fast-transition: 0.2s;
  --medium-transition: 0.4s;
  --slow-transition: 0.7s;

  /* Animation Easing */
  --bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slideInFromLeft {
  from {
    transform: translateX(-30px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes floatIcon {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}

body {
  font-family: "Rubik", sans-serif;
  font-size: 18px;
  background-color: var(--very-dark-blue);
  color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  perspective: 1000px; /* For 3D animations */
  overflow-x: hidden; /* Prevent horizontal scrollbar during animations */
}

.dashboard {
  width: 100%;
  max-width: 1110px;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  animation: fadeIn var(--slow-transition) var(--ease-out) forwards;
}

/* Profile Card */
.dashboard__profile {
  background-color: var(--dark-blue);
  border-radius: 15px;
  overflow: hidden;
  transform-origin: center;
  animation: scaleIn var(--medium-transition) var(--bounce) 0.2s forwards;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: transform var(--medium-transition) var(--bounce),
    box-shadow var(--medium-transition) var(--smooth);
}

.dashboard__profile:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.profile__user {
  background-color: var(--blue);
  padding: 2rem;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.profile__user::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  transform: rotate(45deg);
  transition: transform var(--slow-transition);
}

.profile__user:hover::after {
  transform: rotate(45deg) translate(50%, -50%);
}

.profile__avatar {
  width: 70px;
  height: 70px;
  border: 3px solid white;
  border-radius: 50%;
  transition: transform var(--medium-transition) var(--bounce);
  animation: scaleIn var(--medium-transition) var(--bounce) 0.4s forwards;
}

.profile__avatar:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.3);
}

.profile__info {
  animation: slideInFromLeft var(--medium-transition) var(--ease-out) 0.5s
    forwards;
}

.profile__report {
  color: var(--pale-blue);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.profile__name {
  font-weight: 300;
  font-size: 1.5rem;
  opacity: 0;
  animation: fadeIn var(--medium-transition) forwards 0.6s;
}

.profile__timeframes {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
}

.timeframe {
  background: none;
  border: none;
  color: var(--desaturated-blue);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: color var(--fast-transition),
    transform var(--fast-transition) var(--bounce);
  position: relative;
  opacity: 0;
  animation: fadeIn var(--medium-transition) forwards;
}

.timeframe:nth-child(1) {
  animation-delay: 0.7s;
}
.timeframe:nth-child(2) {
  animation-delay: 0.8s;
}
.timeframe:nth-child(3) {
  animation-delay: 0.9s;
}

.timeframe:hover {
  color: white;
  transform: translateY(-3px);
}

.timeframe.active {
  color: white;
  font-weight: 500;
}

.timeframe.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: white;
  transform: scaleX(0);
  transform-origin: center;
  animation: scaleIn var(--fast-transition) forwards;
}

/* Activity Cards */
.dashboard__cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.card {
  border-radius: 15px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transition: transform var(--medium-transition) var(--bounce),
    box-shadow var(--medium-transition) var(--smooth);
  opacity: 0;
  animation: fadeIn var(--medium-transition) var(--ease-out) forwards;
}

/* Staggered animation for cards */
.card:nth-child(1) {
  animation-delay: 1s;
}
.card:nth-child(2) {
  animation-delay: 1.1s;
}
.card:nth-child(3) {
  animation-delay: 1.2s;
}
.card:nth-child(4) {
  animation-delay: 1.3s;
}
.card:nth-child(5) {
  animation-delay: 1.4s;
}
.card:nth-child(6) {
  animation-delay: 1.5s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.card__bg {
  height: 55px;
  background-repeat: no-repeat;
  background-position: 90% -10px;
  transition: background-position var(--medium-transition) var(--smooth);
}

/* Float animation for icons */
.card:hover .card__bg {
  background-position: 85% -5px;
  animation: floatIcon 3s infinite var(--smooth);
}

.card--work .card__bg {
  background-color: var(--light-orange);
  background-image: url("../images/icon-work.svg");
}

.card--play .card__bg {
  background-color: var(--soft-blue);
  background-image: url("../images/icon-play.svg");
}

.card--study .card__bg {
  background-color: var(--light-red);
  background-image: url("../images/icon-study.svg");
}

.card--exercise .card__bg {
  background-color: var(--lime-green);
  background-image: url("../images/icon-exercise.svg");
}

.card--social .card__bg {
  background-color: var(--violet);
  background-image: url("../images/icon-social.svg");
}

.card--self-care .card__bg {
  background-color: var(--soft-orange);
  background-image: url("../images/icon-self-care.svg");
}

.card__content {
  background-color: var(--dark-blue);
  padding: 1.5rem;
  border-radius: 15px;
  margin-top: -10px;
  position: relative;
  z-index: 1;
  transition: background-color var(--medium-transition) var(--smooth),
    transform var(--medium-transition) var(--bounce);
}

.card__content:hover {
  background-color: hsl(236, 41%, 34%);
  cursor: pointer;
  transform: translateY(-5px);
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card__title {
  font-weight: 500;
  font-size: 1.1rem;
  transition: transform var(--fast-transition) var(--smooth);
}

.card:hover .card__title {
  transform: translateX(5px);
}

.card__menu {
  background: none;
  border: none;
  cursor: pointer;
  transition: transform var(--fast-transition) var(--bounce);
}

.card__menu:hover {
  transform: scale(1.2);
}

.card__menu img {
  width: 21px;
  transition: filter var(--fast-transition);
}

.card__menu:hover img {
  filter: brightness(1.5);
}

.card__times {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card__current {
  font-size: 2rem;
  font-weight: 300;
  transition: transform var(--medium-transition) var(--bounce);
}

.card:hover .card__current {
  transform: scale(1.05);
}

.card__previous {
  color: var(--pale-blue);
  font-size: 0.9rem;
  transition: opacity var(--fast-transition);
}

.card:hover .card__previous {
  opacity: 0.7;
}

.attribution {
  margin-top: 2rem;
  font-size: 11px;
  text-align: center;
  color: var(--pale-blue);
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) forwards 2s;
}

.attribution a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--fast-transition), transform var(--fast-transition);
  display: inline-block;
}

.attribution a:hover {
  color: white;
  transform: scale(1.1);
}

/* Animation classes for timeframe switching */
.fade-out {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--fast-transition), transform var(--fast-transition);
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--fast-transition), transform var(--fast-transition);
}

/* 3D flip animation for cards */
.flip-card {
  animation: flipAnimation var(--medium-transition) var(--bounce) forwards;
}

@keyframes flipAnimation {
  0% {
    transform: rotateY(0);
  }
  50% {
    transform: rotateY(10deg);
  }
  100% {
    transform: rotateY(0);
  }
}

/* Card number counter animation */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.counting-animation {
  animation: countUp var(--medium-transition) var(--ease-out) forwards;
}

/* Media Queries */
@media screen and (min-width: 768px) {
  .dashboard__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (min-width: 1024px) {
  .dashboard {
    grid-template-columns: 1fr 3fr;
  }

  .dashboard__profile {
    height: 100%;
  }

  .profile__user {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem 2rem 4rem;
  }

  .profile__avatar {
    width: 80px;
    height: 80px;
  }

  .profile__name {
    font-size: 2.5rem;
  }

  .profile__timeframes {
    flex-direction: column;
    gap: 1rem;
  }

  .dashboard__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Animation for preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--very-dark-blue);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity var(--slow-transition), transform var(--slow-transition);
}

.preloader.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
}

.preloader__spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}