@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;800&display=swap");

:root {
  /* Primary Colors */
  --red: hsl(1, 90%, 64%);
  --blue: hsl(219, 85%, 26%);

  /* Neutral Colors */
  --white: hsl(0, 0%, 100%);
  --very-light-grayish-blue: hsl(210, 60%, 98%);
  --light-grayish-blue-1: hsl(211, 68%, 94%);
  --light-grayish-blue-2: hsl(205, 33%, 90%);
  --grayish-blue: hsl(219, 14%, 63%);
  --dark-grayish-blue: hsl(219, 12%, 42%);
  --very-dark-blue: hsl(224, 21%, 14%);
}

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

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  background-color: var(--very-light-grayish-blue);
  color: var(--dark-grayish-blue);
  line-height: 1.5;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

main {
  width: 100%;
  max-width: 730px;
}

.container {
  background-color: var(--white);
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.container__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.title h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--very-dark-blue);
}

.title__number {
  background-color: var(--blue);
  color: var(--white);
  padding: 3px 12px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 800;
}

.mark-read {
  background: none;
  border: none;
  color: var(--dark-grayish-blue);
  font-size: 16px;
  cursor: pointer;
  font-family: inherit;
}

.mark-read:hover {
  color: var(--blue);
}

.container__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.notification {
  display: flex;
  gap: 15px;
  padding: 18px;
  border-radius: 8px;
  position: relative;
}

.notification.unread {
  background-color: var(--very-light-grayish-blue);
}

.notification:hover {
  background-color: var(--light-grayish-blue-1);
  cursor: pointer;
}

.avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  flex-shrink: 0;
}

.content {
  flex-grow: 1;
}

.message p {
  margin-bottom: 3px;
}

.name {
  color: var(--very-dark-blue);
  font-weight: 800;
  margin-right: 5px;
}

.name:hover {
  color: var(--blue);
}

.post,
.group {
  color: var(--dark-grayish-blue);
  font-weight: 800;
  margin-left: 5px;
}

.post:hover,
.group:hover {
  color: var(--blue);
}

.group {
  color: var(--blue);
}

.time {
  color: var(--grayish-blue);
  font-size: 14px;
}

.unread-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--red);
  border-radius: 50%;
  margin-left: 5px;
  vertical-align: middle;
}

.private-message {
  border: 1px solid var(--light-grayish-blue-2);
  border-radius: 5px;
  padding: 15px;
  margin-top: 12px;
  color: var(--dark-grayish-blue);
  cursor: pointer;
}

.private-message:hover {
  background-color: var(--light-grayish-blue-1);
}

.notification-picture {
  width: 45px;
  height: 45px;
  border-radius: 7px;
  cursor: pointer;
  margin-left: auto;
}

.container__footer {
  text-align: center;
  margin-top: 2rem;
  .social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    a {
      width: 45px;
      height: 45px;
      border: 1px solid var(--grayish-blue);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      color: var(--Blue-200);
      text-decoration: none;
      transition: all 0.3s ease;
      &:hover {
        background-color: var(--red);
        color: #fff;
      }
      span {
        font-size: 23px;
      }
    }
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .container {
    padding: 20px;
    border-radius: 0;
  }

  .title h1 {
    font-size: 20px;
  }

  .title__number,
  .mark-read {
    font-size: 14px;
  }

  .notification {
    padding: 15px;
    gap: 12px;
  }

  .avatar {
    width: 40px;
    height: 40px;
  }

  .notification-picture {
    width: 40px;
    height: 40px;
  }
}