body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #000000, #1a1a2e);
    color: white;
    display: flex;
    justify-content: center;
    padding: 40px;
}

.container {
    width: 100%;
    max-width: 700px;
    background: rgba(234, 157, 238, 0.881);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

h1 {
    text-align: center;
    color: cyan;
}

.input-section {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

input, select, button {
    padding: 10px;
    border-radius: 8px;
    border: none;
}

button {
    background: rgb(0, 255, 89);
    color: rgb(29, 6, 6);
    cursor: pointer;
}

button:hover {
    background: #33ff36;
}

li {
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.3s;
}

li:hover {
    transform: translateY(-3px);
}

.task-details {
    display: flex;
    flex-direction: column;
}

.countdown {
    font-size: 14px;
    color: #00ffff;
}

.high { border-left: 5px solid red; }
.medium { border-left: 5px solid yellow; }
.low { border-left: 5px solid green; }

.completed {
    text-decoration: line-through;
    color: gray;
}

.delete-btn {
    background: red;
    padding: 6px 10px;
    border-radius: 5px;
}