styles.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: roboto, Arial, sans-serif;
}
p,
li {
  text-align: justify;
}
body {
  background: linear-gradient(135deg, #ffffff, #39bcf9);
  color: #000000;
  height: 100vh;
}
.container {
  text-align: center;
  height: 100svh;
  padding-top: 1rem;
}
.header img {
  width: 50px;
  height: 50px;
}
.header {
  display: flex;
  align-items: center;
  justify-content: center;
}
header h1 {
  font-size: 2rem;
  color: #059ff7;
  margin-bottom: 10px;
  text-align: center;
}

.main-content {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  flex-direction: row;
  margin: 0 auto;
}

.stack-container {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 300px;
  height: 50px;
  min-height: 50vh;
  max-height: 75vh;
  overflow-y: auto;
  border: 2px solid #05fc0d;
  border-top: none;
  border-radius: 10px;
  background: linear-gradient(360deg, #0577f9, #ffffff);
  padding: 10px;
  box-shadow: 0 4px 8px rgb(1, 255, 39);
  transition: height 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: #2644bc #f0f4f8;
}
.empty {
  font-size: 2rem;
  display: none;
  color: white;
  font-weight: bold;
}
.stack-container:not(:has(*:not(.empty))) .empty {
  display: block;
}
.stack-container::-webkit-scrollbar {
  width: 8px; /* Width of the scrollbar */
}

.stack-container::-webkit-scrollbar-track {
  background: #f0f4f8;
  border-radius: 10px;
}

.stack-container::-webkit-scrollbar-thumb {
  background-color: #56afe3f6;
  border-radius: 10px;
  transition: background-color 0.3s ease;
}

.stack-container::-webkit-scrollbar-thumb:hover {
  background-color: #3e66ab;
}

.stack {
  cursor: pointer;
  width: 80%;
  background: linear-gradient(360deg, #28a3e6, #024fa6);
  color: white;
  padding: 10px;
  margin: 5px 0;
  text-align: center;
  font-weight: bold;
  border-radius: 5px;
  transform: translateY(-100px) scale(0);
  transition: transform 0.2s ease, background 0.2s ease;
  animation: spawn 1s ease-in-out forwards;
}

.stack:hover {
  background: linear-gradient(135deg, #0066f6, #046fdb);
  transform: scale(1.05);
}

.stack.popped {
  animation: popOff 0.75s ease-out forwards;
}

.message {
  font-size: 1rem;
  color: #000000;
  background: linear-gradient(135deg, #040404, #070364);
  color: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem;
  width: 100%;
  max-width: 250px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  font-weight: bold;
}
.push-message {
  color: #11e518;
}
.pop-message {
  color: #ee1f10;
}
.peek-message {
  color: #ff9a02;
}
.display-message {
  color: #2196f3;
}
.clear-message {
  color: #c312e3;
}
.empty-message {
  color: #ff0000;
}

.input-container {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 10px;
  background: linear-gradient(90deg, #116dee, #258fff);
  border-top: 2px solid #a50ebc;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  box-shadow: 0 -2px 5px rgba(0, 121, 251, 0.1);
}

.input {
  padding: 8px 12px;
  font-size: 16px;
  border: 2px solid #ccc;
  border-radius: 5px;
  outline: none;
  transition: border-color 0.3s ease;
  flex: 1;
  max-width: 120px;
}

.input:focus {
  border-color: #4caf50;
}

button {
  padding: 10px 15px;
  font-size: 16px;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  flex: 1;
  max-width: 120px;
}

button:hover {
  background: #4caf50;
  transform: translateY(-3px);
}

button:active {
  transform: translateY(1px);
}
#push-btn {
  background-color: #4caf50;
}

#pop-btn {
  background-color: #f44336;
}

#peek-btn {
  background-color: #ff9800;
}

#display-btn {
  background-color: #2196f3;
}

#clear-btn {
  background-color: #9c27b0;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.info-container {
  /* max-width: 800px; */
  margin: 0 auto;
  padding: 20px;
  background: linear-gradient(135deg, #000000, #000000);
  color: #fff;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

.info-container header {
  text-align: center;
  margin-bottom: 20px;
}

.info-container header h1 {
  color: #2a7bcb;
}

.info-container header p {
  font-size: 1.1em;
  color: #878282;
}

.info-container section {
  margin-bottom: 20px;
}

.info-container h2 {
  color: #3498db;
  margin-bottom: 10px;
}

.info-container ul {
  list-style-type: disc;
  margin-left: 20px;
}

.info-container li {
  margin-bottom: 8px;
}

.info-container footer {
  text-align: center;
  font-size: 0.9em;
  color: #888;
  padding-top: 10px;
  border-top: 1px solid #e0e0e0;
}

.pointer-image {
  position: absolute;
  display: none;
  height: 50px;
  width: 50px;
  transition: top 0.5s ease, left 0.5s ease;
}

@media (max-width: 768px) {
  .message {
    width: 100%;
    max-width: 90%;
    margin: 0 auto 10px;
    height: 3.5rem;
    overflow: auto;
    margin-bottom: 0;
    padding: 5px;
  }
  .stack-container {
    max-height: 62vh;
    max-width: 250px;
  }
  .main-content {
    flex-direction: column;
  }
}
@keyframes spawn {
  0% {
    opacity: 0;
    transform: translateY(-100px) scale(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes popOff {
  0% {
    transform: scale(1) translateY(0px);
    opacity: 1;
  }
  50% {
    transform: scale(0.5) translateY(-50px);
    opacity: 1;
  }
  100% {
    transform: scale(0) translateY(-200px);
    opacity: 0;
  }
}