* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f0f0f0;
    padding: 30px;
    display: flex;
    justify-content: center;
}

.container {
    background: #fff;
    padding: 25px;
    width: 500px;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

.input-area {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

input {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid #bbb;
    font-size: 16px;
}

button {
    padding: 12px 20px;
    border: none;
    background: #007bff;
    color: white;
    border-radius: 12px;
    cursor: pointer;
}

button:hover {
    background: #005ec5;
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.task-card {
    background: #eee9e9;
    padding: 18px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(11, 11, 11, 0.07);
    transition: 0.3s ease;
}

.task-card:hover {
    transform: translateY(-3px);
}

.title {
    font-size: 20px;
    font-weight: bold;
}

.time-display {
    margin: 10px 0;
    color: #4a4747ff;
}

.green-btn {
    background: rgba(41, 223, 83, 1);
}

.red-btn {
    background: #db3535ff;
}