/* Trees Image - Pexels: https://www.pexels.com/photo/photo-of-trees-in-forest-3801030/ */

@import url("https://fonts.googleapis.com/css?family=Quicksand&display=swap");
html {
    box-sizing: border-box;
}

:root {
    --column-1: #a2622d;
    --column-2: #1b6161;
    --column-3: #248224;
    --column-4: #a22d22;
}

body {
    margin: 0;
    background: url("./board.jpg");
    background-size: cover;
    background-position: 50% 60%;
    background-attachment: fixed;
    color: white;
    font-family: Quicksand, sans-serif;
    overflow-y: hidden;
}

h1 {
    letter-spacing: 2px;
    text-shadow: 2px 2px 5px black;
}

.main-title {
    text-align: center;
    font-size: 3rem;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.drag-container {
    margin: 20px;
}

.drag-list {
    display: flex;
    align-items: flex-start;
}


/* Columns */

.drag-column {
    flex: 1;
    margin: 0 10px;
    position: relative;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    overflow-x: hidden;
}

.backlog-column .header,
.backlog-column .solid,
.backlog-column .solid:hover,
.backlog-column .over {
    background-color: var(--column-1);
}

.progress-column .header,
.progress-column .solid,
.progress-column .solid:hover,
.progress-column .over {
    background-color: var(--column-2);
}

.complete-column .header,
.complete-column .solid,
.complete-column .solid:hover,
.complete-column .over {
    background-color: var(--column-3);
}

.on-hold-column .header,
.on-hold-column .solid,
.on-hold-column .solid:hover,
.on-hold-column .over {
    background-color: var(--column-4);
}


/* Custom Scrollbar */

.custom-scroll {
    overflow-y: auto;
    max-height: 75vh;
}

.custom-scroll::-webkit-scrollbar-track {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.3);
    margin-right: 5px;
}

.custom-scroll::-webkit-scrollbar {
    width: 10px;
}

.custom-scroll::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    background-color: rgba(0, 0, 0, 0.8);
}

.header {
    display: flex;
    justify-content: center;
    border-radius: 10px;
    margin: 10px;
}

.header h1 {
    font-size: 1.25rem;
}


/* Drag and Drop */

.over {
    padding: 50px 10px;
}

.drag-item-list {
    min-height: 50px;
}

.drag-item {
    margin: 10px;
    padding: 10px;
    height: fit-content;
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    line-height: 1.5rem;
    letter-spacing: 1px;
    cursor: pointer;
}

.drag-item:focus {
    outline: none;
    background-color: white;
    color: black;
}


/* Add Button Group */

.add-btn-group {
    display: flex;
    justify-content: space-between;
}

.add-btn {
    margin: 10px;
    padding: 5px 10px;
    display: flex;
    align-items: center;
    cursor: pointer;
    width: fit-content;
    border-radius: 5px;
    transition: all 0.3s ease-in;
    user-select: none;
}

.add-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: black;
}

.add-btn:active {
    transform: scale(0.97);
}

.solid {
    display: none;
    justify-self: end;
}

.solid:hover {
    transition: unset;
    filter: brightness(95%);
    color: white;
}

.plus-sign {
    font-size: 1.5rem;
    margin-right: 5px;
    position: relative;
    top: -3px;
}

.add-container {
    margin: 10px;
    padding: 5px 10px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    min-height: 100px;
    display: none;
}

.add-item {
    width: 100%;
    min-height: 100px;
    height: auto;
    background-color: white;
    border-radius: 10px;
    margin: 5px auto;
    resize: none;
    color: black;
    padding: 10px;
}

.add-item:focus {
    outline: none;
}


/* Media Query: Laptop */

@media screen and (max-width: 1800px) {
    .main-title {
        font-size: 2rem;
    }
}


/* Media Query: Large Smartphone (Vertical) */

@media screen and (max-width: 600px) {
    body {
        overflow-y: auto;
    }
    .drag-container {
        margin: 0;
    }
    .drag-list {
        display: block;
    }
    .drag-column {
        margin: 10px;
        margin-bottom: 50px;
    }
}