@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700&display=swap");

:root {
  --primary: #3a3a3a;
  --primary-dark: #302d2d;
  --green: #008104;
  --red: #ff0000;
}

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

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

body {
  background-color: var(--primary);
}

.container {
  display: grid;
  place-items: center;
  height: 100vh;
}

.box {
  display: flex;
  flex-direction: column;
  background-color: var(--primary-dark);
  width: 450px;
  height: 98vh;
  padding: 20px;
  color: white;
  position: relative;
  overflow: hidden;
}

p {
  font-size: 14px;
}
h1 {
  font-weight: 500;
  font-size: 32px;
}
h2 {
  font-weight: 400;
  font-size: 24px;
}
h3 {
  font-weight: 400;
  font-size: 20px;
}

.box_upper,
.balance {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.balance {
  margin-top: 20px;
}

.transaction_container {
  margin-top: 20px;
  flex-grow: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.transactions {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;

  overflow-y: auto;
  max-height: 100%;
  padding-right: 5px;
}

/* Optional: Style for scrollbar (Webkit browsers only) */
.transactions::-webkit-scrollbar {
  width: 5px;
}
.transactions::-webkit-scrollbar-thumb {
  background-color: #888;
  border-radius: 4px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  -ms-border-radius: 4px;
  -o-border-radius: 4px;
}
.transactions::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}

.transaction {
  background-color: white;
  color: black;
  display: flex;
  flex-direction: column;
}
.transaction .left {
  padding: 7px;
  flex-grow: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.content {
  display: flex;
}
.lower {
  padding: 10px;
  gap: 10px;
  display: none;
}
.lower img {
  height: 20px;
}
.showTransaction {
  display: flex;
}
.status {
  display: grid;
  place-items: center;
  color: white;
  min-height: 40px;
  min-width: 40px;
}
.credit {
  background-color: var(--green);
}
.debit {
  background-color: var(--red);
}

.transaction_form {
  margin-top: 10px;
  background-color: white;
  color: black;
  padding: 20px;
  position: sticky;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}

.transaction_form h3 {
  margin-bottom: 10px;
}

.form_control {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.form_control:first-child {
  flex: 2;
}
.inputs {
  display: flex;
  gap: 10px;
}
form input {
  padding: 10px 15px;
  outline: 1px solid transparent;
  border: 1px solid black;
}
form input#amount {
  padding: 10px 15px;
  outline: 1px solid transparent;
  border: 1px solid black;
  width: 100%;
}
form input:focus-visible {
  outline: 1px solid var(--primary-dark);
  border: 1px solid var(--primary-dark);
}

.buttons_container {
  display: flex;
  margin-top: 10px;
}
.buttons_container button {
  width: 100%;
  height: 45px;
  color: white;
  border: none;
  opacity: 0.9;
  transition: 0.3s ease-in-out;
  cursor: pointer;
}
.buttons_container button:hover {
  opacity: 1;
  transition: 0.3s ease-in-out;
}

#earnBtn {
  background-color: var(--green);
}
#expBtn {
  background-color: var(--red);
}

/* Already included: Good mobile start */
@media (max-width: 500px) {
  .box {
    width: 95%;
  }
}

/* NEW: Make sure inputs and button layout adjust for narrow screens */
@media (max-width: 600px) {
  .inputs {
    flex-direction: column;
  }

  .buttons_container {
    flex-direction: column;
    gap: 10px;
  }

  .buttons_container button {
    width: 100%;
  }
}

/* NEW: Improve scroll behavior on mobile when form is sticky */
@media (max-height: 700px) {
  .transaction_form {
    position: static;
    margin-top: auto;
  }

  .transactions {
    max-height: 60vh;
  }
}

/* NEW: Improve overflow handling for very small viewports */
@media (max-width: 350px) {
  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  h3,
  p {
    font-size: 14px;
  }

  .transaction .left {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .status {
    min-height: 30px;
    min-width: 30px;
  }
}