* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #eefdff;
    color: black;
}
header {
    background-color: #0088ff;
    color: white;
    padding: 20px 0;
    font-size: 2.5rem;
    font-weight: bold;
    text-align: left;
}
h1 {
    padding: 0 30px;
    font-size: xxx-large;
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
}
.new-task-container {
    background-color: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    width: 30rem;
}
.new-task-container h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    font-weight: 600;
}
.add-task-form {
    display: flex;
    gap: 12px;
    align-items: center;
}
.task-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
}
.task-input::placeholder {
    color: #999;
}
.add-task-button {
    background-color: #0088ff;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.task-groups {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.group-title {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    text-align: center;
    width: fit-content;
}

.backlog {
    background-color: #e0e0e0;
    color: #333;
}
.in-progress {
    background-color: #d8e6ff;
    color: #2a53b2;
}
.done {
    background-color: #e6f7e6;
    color: #2a8a2a;
}
.trash {
    background-color: #ffe6e6;
    color: #a62c2c;
}
.task-item {
    background-color: white;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 8px;
}

.backlog-group .task-item {
    border-left: 6px solid #e0e0e0;
}
.in-progress-group .task-item {
    border-left: 6px solid #d8e6ff;
}
.ready-group .task-item {
    border-left: 6px solid #e6f7e6;
}
.trasher-group .task-item {
    border-left: 6px solid #ffe6e6;
}

.delete-task-button {
    background-color: #a62c2c;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    width: 100%;
}

.task-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}