@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
    --black: #333;
    --blue: #55679C;
    --red: #F03161;
    --gray: #Fdfdfd;
}

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

body {
    font-family: Poppins, sans-serif;
    color: var(--black);
    background: var(--gray);
    font-size: 14px;
}

/* Display */

.flex{
    display: flex;
} 

.wrap {
    flex-wrap: wrap;
}

.column {
    flex-direction: column;
}

.justify-center{
    justify-content: center;
}

.space-between{
    justify-content: space-between;
}

.align-center{
    align-items: center;
} 

/* Text */

h1, .text-large {
    font-size: 22px;
}

.text-medium {
    font-size: 18px;
}

.text-small {
    font-size: 14px;
}


.bold {
    font-weight: bold;
}

.justify {
    text-align: justify;
}

.medium {
    font-weight: 500;
}

.capitalize {
    text-transform: capitalize;
}

.uppercase {
    text-transform: uppercase;
}

/* Gap */

.huge-gap {
    gap: 4rem;
}

.big-gap {
    gap: 2rem;
}

.gap {
    gap: 1rem;
}

.small-gap {
    gap: 8px;
}

/* Radius */

.radius {
    border-radius: 16px;
}

.small-radius {
    border-radius: 8px;
}

/* Button, a, input, select */

button, a {
    all: unset;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

input {
    text-align: start;
    font-size: 16px;
}

textarea {
    font-size: 16px;
    min-height: 120px;
    font-family: Poppins;
}

.input-box {
    font-size: 16px;
    justify-content: space-between;
    border-collapse: collapse;
    align-items: center;
    border: 1px solid var(--black);
    border-radius: 8px;
    flex-grow: 1;
    padding: 12px 1rem; 
}

select {
    border-radius: 8px;
    text-transform: capitalize;
}

/* Cursor */

.pointer {
    cursor: pointer;
}

/* Others */

.basic-shadow {
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
}

.basic-button {
    padding: 8px 1rem;
    border: 1px solid var(--blue);
    transition: all 0.3s ease;
}

.basic-button:hover {
    box-shadow: 2px 2px 0px 1px var(--blue); 
    transform: translate(-2px, -2px); 
} 

.basic-button:active {
    box-shadow:  var(--blue); 
    transform: translate(2px, 2px); 
} 

.blue-button {
    padding: 8px 1rem;
    background: var(--blue);
    color: white;
    border: 1px solid var(--black);
    transition: all 0.3s ease;
}

.red-button {
    padding: 8px 1rem;
    background: var(--red);
    color: white;
    border: 1px solid var(--black);
    transition: all 0.3s ease;
}

.blue-button:hover, .red-button:hover {
    box-shadow: 2px 2px 0px 1px var(--black); 
    transform: translate(-2px, -2px); 
} 

.blue-button:active, .red-button:active {
    box-shadow:  var(--black); 
    transform: translate(2px, 2px); 
} 


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    border: 0;
}

.hide {
    visibility: hidden;
}

.remove {
    display: none;
}

.display-table-cell {
    display: table-cell;
}

/* Main */

main {
    width: 100% ; 
    height: 100%; 
    padding: 1rem;
}

.introduction-container {
    max-width: 728px;
    text-align: justify;
    margin-bottom: 90px;
}

/* Modal */

.modal {
    position: fixed;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    
}

.modal-content {
    position: relative;
    width: 320px;
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid var(--black);
    
    border-radius: 10px;
}

.modal-title, .modal-subtitle{
    color: var(--blue);
}

/* Game */

.item {
    width: 40px;
    height: 60px;
    border: 1px solid var(--black);
    margin: 0 5px;
    border-radius: 0 0 20px 20px; 
    cursor: pointer; 
}

.given-items-container, .hidden-items-container {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.item-box {
    width: 50px;
    height: 70px;
    border: 1px solid var(--blue);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.item {
    width: 40px;
    height: 60px;
    border-radius: 0 0 20px 20px;
    cursor: grab;
}



.item:active {
    cursor: grabbing;
}

.item-box.drag-over {
    background-color: rgba(85, 103, 156, 0.2);
    border-color: var(--blue);
}

.item.selected {
    border: 2px solid yellow;
    box-shadow: 0 0 10px rgba(255, 255, 0, 0.5);
}

.dragging {
    opacity: 0.5;
}

.items-box-active {
    background: var(--blue);
    color: white;
}


.game-container {
    height: 100%; 
    width: 728px;
    text-align: justify;
    padding: 1rem;
    margin-bottom: 90px;
}

.hidden-items-container {
    padding: 1rem;
}

.check-items-button {
    padding: 16px 32px;
}

.mobile-instructions {
    font-size: 8px;
    display: none;
}

@media (max-width: 728px) {
    .item {
        height: 40px;
        width: 30px;
    }

    .item-box {
        height: 50px;
        width: 40px;
    }

    .game-container {
        width: unset;
    }

    .instructions {
        width: 120px;
    }
}

@media (max-height: 700px) {
    .modal-content {
        margin: 5% auto;
    }
}

@media (max-height: 650px) {
    .introduction-container {
        margin-bottom: unset;
    }
}

@media (max-width: 600px) {

    .given-items-container, .hidden-items-container {
        gap: 2px;
    }

    .items-box-button, .give-up-button, .game-actions {
        font-size: 12px;
    }

    .check-items-button {
        padding: 8px 16px;
    }

    .item {
        height: 30px;
        width: 20px;
    }

    .item-box {
        height: 40px;
        width: 30px;
    }

    .game-container {
        width: unset;
    }

    .hidden-items-container {
        padding: 1rem;
    }
}

@media (max-height: 560px) {
    .item {
        height: 40px;
        width: 30px;
    }

    .item-box {
        height: 50px;
        width: 40px;
    }

    .game-container {
        gap: 1rem;
        margin-bottom: unset;
    }

    .game-board {
        gap: 8px;
    }

    .introduction-container {
        gap: 8px;
    }

    .modal-content {
        gap: 8px;
        width: 250px;
    }

    .modal-actions {
        gap: 8px;
    }
}

@media (max-width: 530px) {

    .header-actions {
        gap: 2rem;
    }

    .game-actions {
        gap: 2rem;
    }

    .mobile-instructions {
        display: block;
    }
}

@media (max-width: 480px) {

    .header-actions {
        gap: 8px;
    }

    .game-actions {
        gap: 8px;
    }

    main {
        padding: 8px;
    }

    .game-container {
        padding: 8px;
    }
}

@media (max-height: 460px) {

    .modal-content {
        margin: 2% auto;
        padding: 8px;
    }
}

@media (max-height: 370px) {

    main {
        padding: 8px;
    }

    .game-container {
        padding: 8px;
    }
}

@media (max-width: 350px) {

    .instructions {
        width: 80px;
    }
}