/* Gradasi latar belakang hitam ke biru */

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom right, #000000, #0033cc);
    color: white;
}


/* Box utama yang membungkus semua isi */

body>* {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px solid #ffffff33;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}


/* Judul */

h2 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 10px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    padding: 10px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.3);
}


/* Input dan tombol */

.input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 15px;
}

input[type="text"],
input[type="date"],
button {
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

input[type="text"],
input[type="date"] {
    flex: 1 1 40%;
    background-color: #ffffffdd;
    color: #000;
}

button {
    background-color: #0066ff;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0044aa;
}


/* Filter tombol */

.filter-group {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.filter-group button {
    background-color: #222;
    border: 1px solid #ffffff44;
    padding: 8px 12px;
    border-radius: 6px;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

.filter-group button:hover {
    background-color: #444;
}


/* Daftar kegiatan */

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

li {
    background-color: rgba(255, 255, 255, 0.1);
    margin: 8px 0;
    padding: 10px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

li button {
    background-color: #ff4444;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    color: white;
    cursor: pointer;
}

li button:hover {
    background-color: #cc0000;
}


/* Footer */

footer {
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
    opacity: 0.7;
}