* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f3e9e9;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #2d80f0;
    color: white;
    padding: 15px 20px;
    margin-bottom: 30px;
    text-align: left;
    width: 100%;
}

.new-task {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    width: 30%; /* уменьшили ширину по горизонтали */
    margin-left: 20px;
}

.new-task input {
    width: 70%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.add-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-left: 10px;
    transition: background-color 0.3s;
}

.add-btn:hover {
    background-color: #2980b9;
}

.board {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    margin: 0 20px;
}

.board > div {
    flex: 1;
    min-width: 250px;
}

.board h3 {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
    color: #2c3e50;
}

.backlog h3 {
    background: #ddd;
    color: #000;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}
.proccecing h3 {
    background: #cce4ff;
    color: #1565c0;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}
.done h3 {
    background: #d6f5d6;
    color: #2e7d32;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}
.basket h3 {
    background: #f8d7da;
    color: #b71c1c;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

ul {
    list-style-type: none;
    min-height: 100px;
}

li {
    background-color: #f9f9f9;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 4px;
    border-left: 4px solid #3498db;
    cursor: move;
}


.backlog li {
    border-left: 4px solid #ddd;
    background-color: #f8f8f8;
}

.proccecing li {
    border-left: 4px solid #cce4ff;
    background-color: #f0f8ff;
}
.done li {
    border-left: 4px solid #d6f5d6;
    background-color: #f0fff0;
}


.basket li {
    border-left: 4px solid #f8d7da;
    background-color: #fff0f0;
    opacity: 0.7;
}
.basket button {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 15px;
    width: 100%;
}

.basket button:hover {
    background-color: #c0392b;
}