@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

:root {
    --primary-color-hue: 252;
    --dark-color-lightness: 17%;
    --light-color-lightness: 95%;
    --white-color-lightness: 100%;

    --color-white: hsl(252, 30%, var(--white-color-lightness));
    --color-light: hsl(252, 30%, var(--light-color-lightness));
    --color-gray: hsl(var(--primary-color-hue), 15%, 65%);
    --color-primary: hsl(var(--primary-color-hue), 75%, 60%);
    --color-secondary: hsl(252, 100%, 90%);
    --color-success: hsl(120, 95%, 65%);
    --color-danger: hsl(0, 95%, 65%);
    --color-dark: hsl(252, 30%, var(--dark-color-lightness));
    --color-black: hsl(252, 30%, 10%);

  --border-radius: 2rem;
  --card-border-radius: 1rem;
  --btn-padding: 0.6rem 2rem;
  --search-padding: 0.6rem 1rem;
  --card-padding: 1rem;

  --sticky-top-left: 5.4rem;
  --sticky-top-right: -17rem;
  }

*,
*::before,
*::after{
    margin: 0;
    padding: 0;
    outline: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
    border: none;
}

body {
    font-family: "Poppins", sans-serif;
    color: var(--color-dark);
    background: var(--color-light);
    overflow-x: hidden;
}


/* GENERAL STYLES */
.container {
    width: 80%;
    margin: 0 auto;
}

.profile-photo {
    width: 2.7rem;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
}

img{
    display: block;
    width: 100%;
}

.btn{
    display: inline-block;
    padding: var(--btn-padding);
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 300ms ease;
    font-size: 0.9rem;
}

.btn:hover{
    opacity: 0.8;
}

.btn-primary{
    background: var(--color-primary);
    color: white;
}

.text-bold{
    font-weight: 500;
}

.text-muted{
    color: var(--color-gray)
}

/*============== NAVBAR ==============*/
nav {
    width: 100%;
    background: var(--color-white);
    padding: 0.7rem 0;
    position: fixed;
    top: 0;
    z-index: 10;
}

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

.search-bar{

    border-radius: var(--border-radius);
    padding: var(--search-padding);
}

.search-bar input[type="search"]{
    background: transparent;
    width: 30vw;
    margin-left: 1rem;
    font-size: 0.9rem;
    color: var(--color-dark);
}

nav .search-bar input[type="search"]::placeholder{
    color: var(--color-gray);
}

nav .create {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* ==================== MAIN ==================== */

main {
    position: relative;
    top: 5.4rem;
  } 
  main .container {
    display: grid;
    grid-template-columns: 18vw auto 20vw;
    column-gap: 2rem;
    position: relative;
  }
 /* =================== LEFT =================== */

main .container .left {
  height: max-content;
  position: sticky;
  top: var(--sticky-top-left);
}

main .container .left .profile {
  padding: var(--card-padding);
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  display: flex;
  align-items: center;
  column-gap: 1rem;
  width: 100%;
}

/* -------------------- SIDEBAR -------------------- */ 

.left .sidebar {
  margin-top: 1rem;
  background: var(--color-white);
  border-radius: var(--card-border-radius);
}

.left .sidebar .menu-item {
  display: flex;
  align-items: center;
  height: 4rem;
  cursor: pointer;
  transition: all 300ms ease;
  position: relative;
}

.left .sidebar .menu-item:hover {
  background: var(--color-light);
}

.left .sidebar i {
  font-size: 1.4rem;
  color: var(--color-gray);
  margin-left: 2rem;
  position: relative;
}

.left .sidebar i .notifications-count {
  background: var(--color-danger);
  color: white;
  font-size: 0.7rem;
  width: fit-content;
  border-radius: 0.8rem;
  padding: 0.1rem 0.4rem;
  position: absolute;
  top: -0.2rem;
  right: -0.3rem;
}

.left .sidebar h3 {
  margin-left: 1.5rem;
  font-size: 1rem;
}

.left .sidebar .active {
  background: var(--color-light);
}

.left .sidebar .active i,
.left .sidebar .active h3 {
  color: var(--color-primary);
}

.left .sidebar .active::before {
  content: "";
  display: block;
  width: 0.5rem;
  height: 100%;
  position: absolute;
  background: var(--color-primary);
}

.left .sidebar .menu-item:first-child.active {
  border-top-left-radius: var(--card-border-radius);
  overflow: hidden;
}

.left .sidebar .menu-item:last-child.active {
  border-bottom-left-radius: var(--card-border-radius);
  overflow: hidden;
}

.left .btn {
  margin-top: 1rem;
  width: 100%;
  text-align: center;
  padding: 1rem 0;
}

/* -------------------- NOTIFICATION POPUP -------------------- */
.left .notifications-popup {
  position: absolute;
  top: 0;
  left: 110%;
  width: 30rem;
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  padding: var(--card-padding);
  box-shadow: 0 0 2rem hsl(var(--color-primary), 75%, 60%, 25%);
  z-index: 8;
  display: none;
}

.left .notifications-popup::before {
    content: "";
    width: 1.2rem;
    height: 1.2rem;
    display: block;
    background: var(--color-white);
    position: absolute;
    left: -0.6rem;
    transform: rotate(45deg);
  }
  
  .left .notifications-popup > div {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  
  .left .notifications-popup small {
    display: block;
  }

/* =================== MIDDLE =================== */
.middle .stories {
    display: flex;
    justify-content: space-between;
    height: 12rem;
    gap: 0.5rem;
  }
  
  .middle .stories .story {
    padding: var(--card-padding);
    border-radius: var(--card-border-radius);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 0.75rem;
    width: 100%;
    position: relative;
    overflow: hidden;
  }

  .middle .stories .story::before {
    content: "";
    display: block;
    width: 100%;
    height: 5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    position: absolute;
    bottom: 0;
  }
  
 .middle .stories .story .name {
    z-index: 2;
  }

  .middle .stories .story:nth-child(1) {
    background: url("./images/story-1.jpg") no-repeat center center/cover;
  }
  .middle .stories .story:nth-child(2) {
    background: url("./images/story-2.jpg") no-repeat center center/cover;
  }
  .middle .stories .story:nth-child(3) {
    background: url("./images/story-3.jpg") no-repeat center center/cover;
  }
  .middle .stories .story:nth-child(4) {
    background: url("./images/story-4.jpg") no-repeat center center/cover;
  }
  .middle .stories .story:nth-child(5) {
    background: url("./images/story-5.jpg") no-repeat center center/cover;
  }
  .middle .stories .story:nth-child(6) {
    background: url("./images/story-6.jpg") no-repeat center center/cover;
  }

  .middle .story .profile-photo {
    width: 2rem;
    height: 2rem;
    align-self: start;
    border: 3px solid var(--color-primary);
  }

  /* -------------------- CREATE POST -------------------- */
.middle .create-post {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  background: var(--color-white);
  padding: 0.4rem var(--card-padding);
  border-radius: var(--border-radius);
}

.middle .create-post input[type="text"] {
  justify-self: start;
  width: 100%;
  padding-left: 1rem;
  background: transparent;
  color: var(--color-dark);
  margin-right: 1rem;
}

/* -------------------- FEEDS -------------------- */
.middle .feeds .feed {
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  padding: var(--card-padding);
  margin: 1rem 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.middle .feed .head {
  display: flex;
  justify-content: space-between;
}

.middle .feed .user {
  display: flex;
  gap: 1rem;
}

.middle .feed .photo {
  border-radius: var(--card-border-radius);
  overflow: hidden;
  margin: 0.7rem 0;
}

.middle .feed .action-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.4rem;
  margin: 0.6rem;
}

.middle .liked-by {
  display: flex;
}

.middle .liked-by span {
  width: 1.4rem;
  height: 1.4rem;
  display: block;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-white);
  margin-left: -0.6rem;
}

.middle .liked-by span:first-child {
  margin: 0;
}

.middle .liked-by p {
  margin-left: 0.5rem;
}

/* -------------------- RIGHT -------------------- */
main .container .right {
  height: max-content;
  position: sticky;
  top: var(--sticky-top-right);
  bottom: 0;
}

.right .messages {
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  padding: var(--card-padding);
}

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

.right .messages i {
  font-size: 1.4rem;
}

.right .messages .search-bar {
  display: flex;
  margin-bottom: 1rem;
}

.right .messages .category {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.right .messages .category h6 {
  width: 100%;
  text-align: center;
  border-bottom: 4px solid var(--color-light);
  padding-bottom: 0.3rem;
  font-size: 0.85rem;
}

.right .messages .category .active {
  border-color: var(--color-dark);
}

.right .messages .message-requests {
  color: var(--color-primary);
}

.right .messages .message {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: start;
}

.right .message .profile-photo{
  position: relative;
  overflow: visible;
}

.right .profile-photo img{
  border-radius: 50%;
}

.right .messages .message:last-child {
  margin: 0;
}

.right .messages .message p {
  font-size: 0.8rem;
}

.right .messages .message .profile-photo .active {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  border: 3px solid var(--color-white);
  background: var(--color-success);
  position: absolute;
  bottom: 0;
  right: 0;
}

/* =================== FRIEND REQUESTS =================== */
.right .friend-requests {
  margin-top: 1rem;
}

.right .friend-requests h4 {
  color: var(--color-gray);
  margin: 1rem 0;
}

.right .request {
  background: var(--color-white);
  padding: var(--card-padding);
  border-radius: var(--card-border-radius);
  margin-bottom: 0.7rem;
}

.right .request .info {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.right .request .action {
  display: flex;
  gap: 1rem;
}

/* =================== THEME CUSTOMIZATION =================== */
.customize-theme {
  background: rgba(255, 255, 255, 0.5);
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  text-align: center;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  display: none;
}

.customize-theme .card {
  background: var(--color-white);
  padding: 3rem;
  border-radius: var(--card-border-radius);
  width: 50%;
  box-shadow: 0 0 1rem var(--color-primary);
}

/* =================== FONT SIZE =================== */
.customize-theme .font-size {
  margin-top: 5rem;
}

.customize-theme .font-size > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-light);
  padding: var(--search-padding);
  border-radius: var(--card-border-radius);
}

.customize-theme .choose-size {
  background: var(--color-secondary);
  height: 0.3rem;
  width: 100%;
  margin: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.customize-theme .choose-size span {
  width: 1rem;
  height: 1rem;
  background: var(--color-secondary);
  border-radius: 50%;
  cursor: pointer;
}

.customize-theme .choose-size span.active {
  background: var(--color-primary);
}

/* =================== FONT SIZE =================== */
.customize-theme .color {
  margin-top: 2rem;
}

.customize-theme .choose-color {
  background: var(--color-light);
  padding: var(--search-padding);
  border-radius: var(--card-border-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.customize-theme .choose-color span {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
}

.customize-theme .choose-color span:nth-child(1) {
  background: hsl(252, 75%, 60%);
}
.customize-theme .choose-color span:nth-child(2) {
  background: hsl(52, 75%, 60%);
}
.customize-theme .choose-color span:nth-child(3) {
  background: hsl(352, 75%, 60%);
}
.customize-theme .choose-color span:nth-child(4) {
  background: hsl(152, 75%, 60%);
}
.customize-theme .choose-color span:nth-child(5) {
  background: hsl(202, 75%, 60%);
}

.customize-theme .choose-color span.active {
  border: 5px solid white;
}

/* =================== BACKGROUND =================== */
.customize-theme .background {
  margin-top: 2rem;
}

.customize-theme .choose-bg {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.customize-theme .choose-bg > div {
  padding: var(--card-padding);
  width: 100%;
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 0.4rem;
  cursor: pointer;
}

.customize-theme .choose-bg > div.active {
  border: 2px solid var(--color-primary);
}

.customize-theme .choose-bg .bg-1 {
  background: white;
  color: black;
}

.customize-theme .choose-bg .bg-2 {
  background: hsl(252, 30%, 17%);
  color: white;
}

.customize-theme .choose-bg .bg-3 {
  background: hsl(252, 30%, 10%);
  color: white;
}

.customize-theme .choose-bg > div span {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--color-gray);
  border-radius: 50%;
  margin-right: 1rem;
}






/* =================== 
MEDIA QUERIES FOR SMALL LAPTOPS AND BIG TABLETS 
===================
 */
@media screen and (max-width: 1200px) {
  .container {
    width: 96%;
  }

  main .container {
    grid-template-columns: 5rem auto 30vw;
    gap: 1rem;
  }

  .left {
    width: 5rem;
    z-index: 5;
  }

  main .container .left .profile {
    display: none;
  }

    .sidebar h3 {
      display: none;
    }
    
    .left .btn {
      display: none;
    }

    .customize-theme .card {
      width: 80vw;
    }
    }
    
    /* =================== 
    MEDIA QUERIES FOR SMALL TABLETS AND MOBILE PHONES 
    =================== 
    */
    @media screen and (max-width: 992px) {
      nav .search-bar {
        display: none;
      }
    
      main .container {
        grid-template-columns: 0 auto 5rem;
        gap: 0;
      }

      main .container .left {
        grid-column: 3 / 4;
        position: fixed;
        bottom: 0;
        right: 0;
      }

      /* =================== NOTIFICATION POPUP =================== */
.left .notification-popup {
  position: absolute;
  left: -20rem;
  width: 20rem;
}

.left .notification-popup::before {
  display: absolute;
  top: 1.3rem;
  left: calc(20rem - 0.6rem);
  display: block;
}

main .container .middle {
  grid-column: 1 / 3;
 }

main .container .right {
  display: none;
}

.customize-theme.card {
  width: 92vw;
}
} 



.profile-dropdown {
  display: none;
  position: absolute;
  background-color: var(--color-white);
  border: 1px solid var(--color-secondary);
  box-shadow: 0 4px 8px hsla(var(--primary-color-hue), 75%, 60%, 0.3);
  border-radius: var(--card-border-radius);
  z-index: 1000;
  right: 0;
  top: calc(100% + 10px);
  min-width: 180px;
  padding: 10px 0;
}

.profile-dropdown a {
  display: block;
  padding: 12px 20px;
  text-decoration: none;
  color: var(--color-dark);
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease-in-out; /* Thêm transition cho transform */
  font-size: 1rem;
}

.profile-dropdown a:hover {
  background-color: var(--color-light);
  color: var(--color-primary);
  transform: translateY(-3px); /* Nhún nhảy lên 3px */
}
/*Trái tim chuyển màu*/
.heart-button i {
  transition: font-size 0.3s ease, color 0.3s ease;
  font-size: 1em;
  color: initial;
}

.heart-button i:hover {
  font-size: 1.2em;
  color: red;
}

.heart-button i.clicked {
  color: red;
  font-size: 1em; /* Trở về kích thước gốc khi click */
}
/*icon comment*/
.comment-button i {
  transition: font-size 0.3s ease, color 0.3s ease;
  font-size: 1em;
  color: initial;
}

.comment-button i:hover {
  font-size: 1.2em;
  color: green;
}

.comment-button i.clicked1 {
  color: green;
  font-size: 1em; /* Trở về kích thước gốc khi click */
}
/*icon share*/
.share-button i {
  transition: font-size 0.3s ease, color 0.3s ease;
  font-size: 1em;
  color: initial;
}

.share-button i:hover {
  font-size: 1.2em;
  color: blue;
}

.share-button i.clicked2 {
  color: blue;
  font-size: 1em; /* Trở về kích thước gốc khi click */
}
/*test comt*/
.comment-input-container {
  display: none;
  margin-top: 15px;
  padding: 10px;
  background-color: #f9f9f9; /* Màu nền nhẹ nhàng */
  border-radius: 10px;
  border: 1px solid #eee;
}

.comment-input {
  width: 90%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 10px;
  background-color: #fff; /* Nền trắng cho textarea */
  resize: vertical; /* Cho phép thay đổi chiều cao */
}

.comment-submit {
  padding: 10px 20px;
  background-color: #ff99cc; /* Hồng nhạt */
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.comment-submit:hover {
  background-color: #ffb3d9; /* Hồng nhạt hơn khi hover */
}

.comments-list {
  margin-top: 15px;
}

.comment {
  border: 1px solid #eee;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 8px;
  background-color: #f5f5f5; /* Màu xám rất nhạt */
}


/* bài đăng up*/
.post-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.post-modal-content {
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  width: 50%;
  max-width: 600px;
}

.post-content {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  resize: vertical;
}

.post-actions {
  display: flex;
  margin-bottom: 10px;
}

.post-action-button {
  background-color: #f0f0f0;
  border: none;
  padding: 8px 12px;
  margin-right: 5px;
  border-radius: 5px;
  cursor: pointer;
}

.post-submit,
.post-cancel {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.post-submit {
  background-color: #007bff;
  color: white;
}

.post-cancel {
  background-color: #ccc;
}

/*RƠi xuống*/
.log {
  cursor: pointer;
}

#image-container {
  position: fixed; /* Đặt position thành fixed */
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh; /* Đảm bảo chiều cao là 100vh */
  pointer-events: none;
  overflow: visible; /* Đảm bảo overflow là visible */
}

.falling-image {
  position: absolute;
  width: 50px; /* Hoặc kích thước bạn muốn */
  animation: fall 5s linear infinite, rotate 2s linear infinite; /* Thêm rotate */
  z-index: 1000;
}

@keyframes fall {
  0% {
      top: -50px; /* Bắt đầu từ phía trên màn hình */
  }
  100% {
      top: 100vh; /* Kết thúc ở đáy màn hình */
  }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg); /* Xoay hai vòng */
    }
}