* {
  box-sizing: border-box;
}

body {
  padding: 0px;
  font-family: 'Open Sans';
  margin: 1%;
  cursor: url('https://nguyenbaoanbui-9cba5.web.app/aimg/cursor.png'), auto;
  background-color: #0C1117;
}

h1,
h2,
h3,
h4,
h5,
p {
  color: white;
}

a {
  color: white;
  text-decoration: none;
  cursor: url('https://nguyenbaoanbui-9cba5.web.app/aimg/cursor.png'), pointer;
}

/* Header/Blog Title */
.header {
  text-align: center;
  background-color: black;
  padding-left: 1%;
  padding-right: 1%;
  margin-bottom: 1%;
  text-decoration: none;
  text-align: center;
  overflow: hidden;
  align-items: center;
  display: flex;
  transition: 0.25s;
  border-radius: 20px;

  &:hover {
    box-shadow: 0 7px 50px 10px #000000aa;
    transform: scale(1.015);
  }
}

.header h1 {
  font-size: 200%;
}

/* Style the top navigation bar */
.topnav {
  overflow: hidden;
  background-color: black;
  transition: 0.25s;
  border-radius: 20px;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

/* Style the topnav links */
.topnav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  align-items: center;
  transition: 0.25s;
  border-radius: 20px;
}

/* Change color on hover */
.topnav a:hover {
  background-color: #76D1FF;
  color: white;
  transition: 0.25s;
  box-shadow: 0 7px 50px 10px white;
  transform: scale(1.015);
}

.topnavb {
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  transition: 0.25s;
  border-radius: 20px;
  margin-top: 1%;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

/* Style the topnav links */
.topnavb a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  align-items: center;
  transition: 0.25s;
  border-radius: 20px;
}

/* Change color on hover */
.topnavb a:hover {
  color: white;
  transition: 0.25s;
  filter: drop-shadow(0 0 2px #ffffff)
          drop-shadow(0 0 5px #ffffff)
          drop-shadow(0 0 10px #ffffff)
          drop-shadow(0 0 20px #ffffff)
          drop-shadow(0 0 40px #ffffff);
}

.topnavb a:hover img {
  filter: invert(100%);
  transform: scale(1.015);
}

/* Create two unequal columns that floats next to each other */
/* Left column */
.leftcolumn {
  float: left;
  width: 75%;
}

/* Right column */
.rightcolumn {
  float: left;
  width: 25%;
  padding-left: 20px;
}

/* Fake image */
.fakeimg {
  background-color: #aaa;
  width: 100%;
  padding: 20px;
}

/* Add a card effect for articles */
.card {
  background-color: black;
  padding: 20px;
  margin-top: 20px;
  margin-bottom: 20px;
  border-radius: 20px;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }

  &:hover::after {
    box-shadow: 0 0px 0px 0px white;
    transform: scale(1);
    transition: 0.25s;
  }
}

/* Clear floats after the columns */
.row {
  z-index: 1;
  margin-top: 7%;
}

.row::after {
  content: "";
  display: table;
  clear: both;
}

.rowarchived {
  z-index: 10;
  margin-top: 12%;
}

.rowarchived::after {
  content: "";
  display: table;
  clear: both;
}

/* Footer */
.footer {
  background-color: black;
  padding: 40px 20px;
  border-radius: 20px;
  transition: 0.25s;
  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto 20px;
}

.footer-left, .footer-right {
  flex: 1 1 300px;
  margin-bottom: 20px;
}

.footer-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.footer-menu {
  list-style: none;
  padding: 0;
}

.footer-menu li {
  margin-bottom: 10px;
}

.footer-link {
  color: white;
  text-decoration: none;
  font-size: 16px;
  transition: 0.25s;
  border-radius: 20px;
  padding-left: 2%;
  padding-right: 2%;
  padding-top: 1%;
  padding-bottom: 1%;
}

.footer-link:hover {
  color: black;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 7px 50px 10px rgba(255, 255, 255, 1);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.social-link {
  color: #f1f5f9;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 14px;
  border: 1px solid #334155;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: #1e293b;
  color: #38bdf8;
  border-color: #38bdf8;
}

.social-links a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  align-items: center;
  transition: 0.25s;
  border-radius: 20px;
}

.social-links a:hover {
  color: white;
  transition: 0.25s;
  filter: drop-shadow(0 0 2px #ffffff)
          drop-shadow(0 0 5px #ffffff)
          drop-shadow(0 0 10px #ffffff)
          drop-shadow(0 0 20px #ffffff)
          drop-shadow(0 0 40px #ffffff);
}

.social-links a:hover img {
  filter: invert(100%);
  transform: scale(1.015);
}

.footer-copy {
  text-align: center;
  font-size: 14px;
  color: #94a3b8;
  margin-top: 20px;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {

  .leftcolumn,
  .rightcolumn {
    width: 100%;
    padding: 0;
  }
}

/* Responsive layout - when the screen is less than 400px wide, make the navigation links stack on top of each other instead of next to each other */
@media screen and (max-width: 400px) {
  .topnav a {
    float: none;
    width: 100%;
  }
}

.pointer {
  cursor: url('https://nguyenbaoanbui-9cba5.web.app/aimg/cursor.png'), pointer;
}

.pointernone {
  cursor: none;
}

@media only screen and (orientation: landscape) {
  iframe {
    height: 80%;
  }
}

@media only screen and (orientation: portrait) {
  iframe {
    height: 30%;
  }
}

.topnav2 {
  overflow: hidden;
  background-color: #e0e0e0;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px #000000aa;
    transform: scale(1.015);
  }
}

.topnav2 a {
  float: left;
  display: block;
  color: #e0e0e0;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  align-items: center;
  transition: 0.25s;
}

/* Change color on hover */
.topnav2 a:hover {
  background-color: #2196f3;
  color: white;
  box-shadow: 0 7px 50px 10px #000000aa;
  transform: scale(1.015);
}

.topnav2 p {
  float: left;
  display: block;
  text-align: center;
  padding: 4px 6px;
  text-decoration: none;
  border-radius: 20px;
  align-items: center;
}

.abutton {
  ::before {
    position: fixed;
    content: "";
    box-shadow: 0 0 100px 40px #ffffff08;
    top: -10%;
    left: -100%;
    transform: rotate(-45deg);
    height: 60rem;
    transition: .7s all;
  }

  &:hover {
    box-shadow: 0 7px 50px 10px #000000aa;
    transform: scale(1.015);
    filter: brightness(1.3);
    transition: 0.25s;

    ::before {
      filter: brightness(.5);
      top: -100%;
      left: 200%;
    }
  }

  &:hover::after {
    box-shadow: 0 0px 0px 0px #000000aa;
    transform: scale(1);
    filter: brightness(1);
    transition: 0.25s;
  }
}

.abuttonone {
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.abuttonaccent {
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.abuttonaccentw {
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.bordertopimg {
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.bordercenterimg {
  border-radius: 5px;
  margin-top: 1%;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.borderbottomimg {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  margin-top: 1%;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.bordertitle {
  background: rgba(0, 0, 0, 0.5);
  margin-top: 20%;
  padding: 1%;
  backdrop-filter: blur(6px);
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  margin-right: 10%;
}

.bordertitle h2 {
  color: white;
}

.bordertitle h5 {
  color: white;
}

.bordercardhome {
  padding: 20px;
  margin-top: 20px;
  margin-bottom: 20px;
  border-radius: 20px;
  transition: 0.25s;
  display: flex;
  flex-wrap: wrap;
  background-repeat: no-repeat;
  background-size: cover;
  vertical-align: bottom;
  padding-left: 0%;
  padding-right: 0%;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }
}

.terminalstyle ul {
  background-color: #0C1117;
  border: 20px;
  transition: 0.25s;
  padding: 1%;
  border-radius: 20px;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }
}

.terminalstyle p {
  color: #41FF00;
  white-space: pre-line;
  word-wrap: break-word;
}

.bigpngstyle {
  transition: 0.25s;

  &:hover {
    filter: drop-shadow(7px 10px 10px var(--i));
    transform: scale(1.015);
  }
}

.buttonwithaccentcolor {
  background-color: #76D1FF;
  border-radius: 20px;
  padding: 2%;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.buttonnormalimg {
  transition: 0.25s;
  border-radius: 20px;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.buttonnormalimgnoround {
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);
  }
}

.buttonstyle25 {
  color: white;
  background-color: #fff;
  padding-left: 20px;
  padding-right: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin: 10px;
  border-radius: 3px;

  &:hover {
    background-color: #e0e0e0;
    transition: 0.25s;
  }
}

/* Typewriter effect 1 */
@keyframes typing {

  0.0000%,
  27.3488% {
    content: "";
  }

  1.1395%,
  26.2093% {
    content: "A";
  }

  2.2791%,
  25.0698% {
    content: "An";
  }

  3.4186%,
  23.9302% {
    content: "And";
  }

  4.5581%,
  22.7907% {
    content: "Andr";
  }

  5.6977%,
  21.6512% {
    content: "Andro";
  }

  6.8372%,
  20.5116% {
    content: "Androi";
  }

  7.9767%,
  19.3721% {
    content: "Android";
  }

  30.7674%,
  51.2791% {
    content: "";
  }

  31.9070%,
  50.1395% {
    content: "W";
  }

  33.0465%,
  49.0000% {
    content: "Wi";
  }

  34.1860%,
  47.8605% {
    content: "Win";
  }

  35.3256%,
  46.7209% {
    content: "Wind";
  }

  36.4651%,
  45.5814% {
    content: "Windo";
  }

  37.6047%,
  44.4419% {
    content: "Window";
  }

  38.6047%,
  43.4419% {
    content: "Windows";
  }

  54.6977%,
  75.2093% {
    content: "";
  }

  55.8372%,
  74.0698% {
    content: "L";
  }

  56.9767%,
  72.9302% {
    content: "Li";
  }

  58.1163%,
  71.7907% {
    content: "Lin";
  }

  59.2558%,
  70.6512% {
    content: "Linu";
  }

  60.3953%,
  69.5116% {
    content: "Linux";
  }

  78.6279%,
  96.8605% {
    content: "";
  }

  79.7674%,
  95.7209% {
    content: "P";
  }

  80.9070%,
  94.5814% {
    content: "Pl";
  }

  82.0465%,
  93.4419% {
    content: "Pla";
  }

  83.1860%,
  92.3023% {
    content: "Play";
  }

}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.typewriter {
  --caret: currentcolor;
}

.typewriter::before {
  content: "";
  animation: typing 13.5s infinite;
}

.typewriter::after {
  content: "";
  border-right: 1px solid var(--caret);
  animation: blink 0.5s linear infinite;
}

.typewriter.thick::after {
  border-right: 1ch solid var(--caret);
}

.typewriter.nocaret::after {
  border-right: 0;
}


@media (prefers-reduced-motion) {
  .typewriter::after {
    animation: none;
  }

  @keyframes sequencePopup {

    0%,
    100% {
      content: "Android";
    }

    25% {
      content: "Windows";
    }

    50% {
      content: "Linux";
    }

    75% {
      content: "Play";
    }
  }

  .typewriter::before {
    content: "developer";
    animation: sequencePopup 12s linear infinite;
  }
}

.cardz-row {
  display: grid;
  margin: 0 auto;
  flex-wrap: wrap;
  grid-template-columns: repeat(4, 1fr);
  /* Ensures the cards wrap to the next line if needed */
}

.cardz {
  flex: 1;
  /* Make each card take up an equal amount of space */
  margin-left: 1%;
  margin-right: 1%;
  margin-bottom: 3%;
  max-width: 500px;
  overflow: hidden;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
  background-color: black;
  border-radius: 20px;
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }

  &:hover::after {
    box-shadow: 0 0px 0px 0px white;
    transform: scale(1);
    transition: 0.25s;
  }
}

.cardz img {
  width: 100%;
  height: auto;
}

.cardz h1,
h2,
h3 {
  text-align: left;
  margin-top: 1%;
}

.cardz p {
  text-align: left;
}

.cardz a {
  margin-left: 0;
  margin-right: 0;
  display: inline-block;
  float: left;
  color: black;
}

.cardz-body {
  padding: 15px;
  text-align: center;
}

@media (max-width: 1100px) {

  /* Smaller screens */
  .cardz-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {

  /* Smaller screens */
  .cardz-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .cardz {
    flex: 0 0 100%;
    /* Make each card take up the full width */
    max-width: 100%;
    /* Ensure cards take up the full width */
  }

  .cardz-row {
    grid-template-columns: repeat(1, 1fr);
  }
}

.wrapperzz {
  display: flex;
  justify-content: center;
  align-items: center;
}

.containerzz {
  position: relative;
  width: 99%;
  height: 500px;
  display: flex;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
  transition: 0.25s;

  &:hover {
    box-shadow: 0 7px 50px 10px white;
    transform: scale(1.015);

  }

  &:hover::after {
    box-shadow: 0 0px 0px 0px white;
    transform: scale(1);
    transition: 0.25s;
  }
}

.overlayzz {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, hsla(213, 31%, 7%, 0.25), #0C1117);
}

.contentzz {
  position: relative;
  z-index: 2;
  color: white;
  padding: 40px;
  max-width: 400px;
  margin-left: auto;
  /* Đẩy nội dung sang phải */
  text-align: left;
  /* Canh trái văn bản */
}

.contentzz h1 {
  font-size: 28px;
  margin-bottom: 10px;
  text-align: left;
}

.contentzz p {
  font-size: 16px;
  margin-bottom: 20px;
  line-height: 1.5;
  text-align: left;
}

.contentzz a {
  margin-left: 0;
  margin-right: 0;
  display: inline-block;
  float: left;
  color: black;
}

.btnzz {
  display: inline-block;
  padding: 10px 20px;
  background: #0078d4;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.3s ease;
}

.btnzz:hover {
  background: #005ea6;
}

@media (max-width: 768px) {
  .containerzz {
    flex-direction: column;
    height: auto;
  }

  .contentzz {
    padding: 20px;
    text-align: center;
    margin: auto;
  }
}

/**/

.wrapperzzt {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 7%;
  margin-bottom: 3%;
}

@media (max-width: 1100px) {

  /* Smaller screens */
  .row {
    margin-top: 10%;
  }

  .rowarchived {
    margin-top: 16%;
  }
}

@media (max-width: 860px) {

  /* Smaller screens */
  .row {
    margin-top: 13%;
  }

  .rowarchived {
    margin-top: 22%;
  }
}

@media (max-width: 650px) {
  .row {
    margin-top: 17%;
  }

  .rowarchived {
    margin-top: 32%;
  }
}

@media (max-width: 470px) {
  .rowarchived {
    margin-top: 37%;
  }
}

@media (max-width: 415px) {
  .rowarchived {
    margin-top: 45%;
  }
}

/**/

.categoriestext {
  margin-left: 0.75%;
  margin-top: 2%;
  margin-bottom: 1%;
}

.categoriestextcenter {
  text-align: center;
  margin-top: 0;
  margin-bottom: 1%;
}

@media (max-width: 768px) {
  .categoriestext {
    margin-top: 5%;
  }

  .categoriestextcenter {
    margin-top: 5%;
    text-align: left;
  }
}