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

body, html {
  width: 100%;
  height: 100%;
  font-family: 'Arial', sans-serif;
background: linear-gradient(to right, #000000, #1a1a1a);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hidden {
  display: none;
}

.screen {
  text-align: center;
  color: #fff;
  position: absolute;
  width: 90%;
  max-width: 500px;
  padding: 20px;
  animation: fadeIn 1s ease-in-out;
}

.main-title{
  font-size: 1.7rem;
  color: #ff0000;
  margin-bottom: 20px;
  text-shadow: 0 0 20px #f5077e;
}

.sub-title{
  font-size: 1rem;
  margin-bottom: 20px;
  color: #ff4444;
  text-shadow: 0 0 10px #ff4444;
}

button {
  padding: 12px 24px;
  font-size: 1.2em;
  color: #fff;
  background: #ff6f61;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s;
}

button:hover {
  background: #e85850;
}

.gift {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 40px auto;
  cursor: pointer;
  background-color: transparent;
}

.box {
  background: #ffd700;
  width: 100%;
  height: 70%;
  position: absolute;
  bottom: 0;
  border-radius: 10px;
  overflow: hidden;
}

.box::before{
  content: '';
  position: absolute;
  width: 25%;
  height: 100%;
  background-color: #e04747;
  left: 38%;
}

.box::after{
  content: "";
    position: absolute;
    box-shadow: inset 0 10px rgba(0, 0, 0, 0.3);
    width: 100%;
    height: 100%;
    top: 0px;
    transform: translateX(-50%);
}

.lid {
  background: #ff4500;
  width: 100%;
  height: 30%;
  position: absolute;
  top: 0;
  border-radius: 10px 10px 0 0;
  transition: .5s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.lid::before{
  content: "";
  position: absolute;
  width: 25%;
  height: 100%;
  background-color: #e04747;
  left: 38%;
  z-index: 2;
}

.lid::after{
  content: "";
  position: absolute;
  width: 5px;
  height: 0px;
  border-bottom: 20px solid #e04747;
  border-top: 20px solid #e04747;
  border-left: 0px solid transparent;
  border-right: 20px solid transparent;
  transform: rotate(-90deg);
  top: -30px;
  left: 63px;
}

.lid.open {
  transform: translateY(-100px);
}

#countdown {
  font-size: 2em;
  margin-bottom: 20px;
}

.card {
  background: #26292e;
  color: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
  animation: popUp 0.5s ease-in-out;
  text-align: start;
}

.card img{
  width: 100%;
  border-radius: 10px;
}

.card button{
  background-color: #275dfe;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: 500;
}

.card h2 {
  margin-top: 15px;
  color: rgb(190, 178, 180);
  margin-bottom: 15px;
}

.card p {
  color: #a3a3a3;
  margin-bottom: 15px;
  font-size: 1.1em;
}

#quote {
  font-style: italic;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #ffd700; /* Default color */
  border-radius: 50%;
  animation: fall 3s linear forwards;
  opacity: 0.8;
}

.firework {
  position: absolute;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, #ff4500, transparent);
  border-radius: 50%;
  animation: burst 1s ease-out forwards;
  opacity: 0.8;
}

#balloons .balloon {
  position: absolute;
  width: 50px;
  height: 70px;
  background: radial-gradient(circle at 30% 30%, #ff5e57, #e04747);
  border-radius: 50% 50% 50% 50%;
  animation: float 6s linear infinite;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

#balloons .balloon:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 2px;
  height: 15px;
  background: #fff;
}




@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes popUp {
  from { transform: scale(0); }
  to { transform: scale(1); }
}


@keyframes fall {
  0% {
    transform: translateY(-100px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0.7;
  }
}

@keyframes burst {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) rotate(360deg);
    opacity: 0.5;
  }
}

@media (max-width: 600px) {
  .gift {
    width: 100px;
    height: 100px;
  }

  .box {
    height: 70%;
  }

  .lid {
    height: 30%;
  }

  .lid::after{
    left: 38px;
  }

  button {
    font-size: 1em;
    padding: 10px 20px;
  }

  .card {
    padding: 20px;
  }
}