html, body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  font-family: "Poppins", sans-serif;
}

.song {
  visibility: hidden;
}

.container {
  height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  text-align: center;
  visibility: hidden;
  width: 100%;
  max-width: 600px;
}

.container > div {
  left: 0;
  position: absolute;
  right: 0;
  top: 20vh;
}

.one {
  font-size: 4.5rem;
}

.two {
  font-size: 1.2rem;
  font-weight: lighter;
}

.three {
  font-size: 3rem;
}

.birthday-info {
  font-size: 1.5rem;
  font-weight: bold;
  color: #007bff;
  margin-top: 20px;
}

.date-container span,
.age-container span {
  display: inline-block;
  font-size: 2rem;
  margin: 0 5px;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.age-container {
  margin-top: 10px;
  font-size: 1.8rem;
}

.date-container span {
  transition: all 0.3s ease;
}

.four .text-box {
  border: 3px solid #aaa;
  border-radius: 5px;
  margin: 0 auto;
  padding: 10px;
  position: relative;
  width: 600px;
}

.four {
  width: 100%;
  max-width: 600px;
  margin: 20px auto;
  color: #333;
}

.profile {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.profile-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
}

.text-box p {
  margin: 0;
  text-align: left;
}

.text-box span {
  visibility: hidden;
}

.text-box .fake-btn {
  background-color: rgb(21, 161, 237);
  border-radius: 3px;
  bottom: -50px;
  color: #fff;
  padding: 0.5rem 1rem;
  position: absolute;
  right: 5px;
}

.five p {
  font-size: 2rem;
  left: 0;
  position: absolute;
  right: 0;
}

.idea-3 strong {
  border-radius: 3px;
  display: inline-block;
  padding: 3px 5px;
}

.five .idea-5 {
  font-size: 4rem;
}

.idea-5 span,
.idea-6 span,
.wish-hbd span {
  display: inline-block;
}

.idea-6 span {
  font-size: 15rem;
}

.six {
  position: relative;
  top: 10vh;
  z-index: 1;
}

.six img {
  display: inline-block;
  height: 350px;
  max-width: 100%;
  /* height: auto; */
}

.six .hat {
  left: 41.5%;
  position: absolute;
  /* transform: scale(0.1); */
  top: -35%;
  width: 80px;
}

.baloons img {
  display: inline-block;
  position: absolute;
}

.baloons img:nth-child(even) {
  left: -10%;
}

.baloons img:nth-child(odd) {
  right: -10%;
}

.baloons img:nth-child(3n + 0) {
  left: 30%;
}

.seven,
.eight {
  height: 100vh;
  position: fixed;
  top: 0;
  width: 100vw;
}

.eight svg {
  left: 0;
  position: absolute;
  top: 0;
  visibility: hidden;
  width: 25px;
  z-index: -1;
}

.eight svg:nth-child(1) {
  fill: #bd6ecf;
  left: 5vw;
  top: 7vh;
}

.eight svg:nth-child(2) {
  fill: #7dd175;
  left: 35vw;
  top: 23vh;
}

.eight svg:nth-child(3) {
  fill: #349d8b;
  left: 23vw;
  top: 33vh;
}

.eight svg:nth-child(4) {
  fill: #347a9d;
  left: 57vw;
  top: 43vh;
}

.eight svg:nth-child(5) {
  fill: #c66053;
  left: 7vw;
  top: 68vh;
}

.eight svg:nth-child(6) {
  fill: #bfaa40;
  left: 77vw;
  top: 42vh;
}

.eight svg:nth-child(7) {
  fill: #e3bae8;
  left: 83vw;
  top: 68vh;
}

.eight svg:nth-child(8) {
  fill: #8762cb;
  left: 37vw;
  top: 86vh;
}

.eight svg:nth-child(9) {
  fill: #9a90da;
  left: 87vw;
  top: 94vh;
}

.wish-hbd {
  font-size: 3em;
  margin: 0;
  text-transform: uppercase;
}

.wish h5 {
  font-size: 2rem;
  font-weight: lighter;
  margin: 10px 0 0;
}

.nine p {
  font-size: 2rem;
  font-weight: lighter;
}

#replay {
  cursor: pointer;
  z-index: 3;
}

/* Media Queries */
@media screen and (max-height: 1000px) {
  .six .hat {
    left: 40%;
  }
}

@media screen and (max-height: 800px) {
  .six .hat {
    left: 37%;
  }
}

@media screen and (max-height: 700px) {
  .six .hat {
    left: 32%;
  }
}

@media screen and (max-height: 850px) and (max-width: 450px) {
  .six .hat {
    left: 32%;
  }
}

@media screen and (max-width: 500px) {
  .container {
    width: 100%;
    max-width: 100vw;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  .four .text-box {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  .text-box .fake-btn {
    bottom: -38px;
    right: 5px;
  }
  .idea-5 span {
    display: block;
  }
  .idea-6 span {
    font-size: 10rem;
  }
  .six .hat {
    /* top: -20px; */
    width: 50px;
  }
  .wish-hbd {
    font-size: 2.2em;
  }
  .wish h5 {
    font-size: 1.4rem;
  }
  .nine p {
    font-size: 1.5rem;
    font-weight: lighter;
  }
}

.pretty-play-btn {
  font-size: 1.5rem;
  padding: 1rem 2.5rem;
  background: linear-gradient(90deg, #21d4fd 0%, #b721ff 100%);
  color: #fff;
  border: none;
  border-radius: 2.5rem;
  box-shadow: 0 4px 24px rgba(33, 212, 253, 0.2);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
}
.pretty-play-btn:hover {
  transform: scale(1.08) rotate(-2deg);
  box-shadow: 0 8px 32px rgba(183, 33, 255, 0.25);
  background: linear-gradient(90deg, #b721ff 0%, #21d4fd 100%);
}
#musicOverlay {
  /* Sudah inline, tapi boleh override di sini jika perlu */
}