* {
    padding: 0;
    margin: 0;
    background-origin: padding-box;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease-out;
}

html {
    font-size: 16px;
    background-color: #401c74;
    background-image: linear-gradient(to bottom right, #401c74, #180c3b);
}

.calculator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.calc-container {
    background-color: #1d1d1d;
    width: 600px;
    height: auto;
    border-radius: 50px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.output {
    width: 100%;
}

.operation {
    width: 600px;
    height: 70px;
    color: #878787;
    font-size: 1.9em;
    font-weight: bold;
    position: relative;
    overflow: hidden;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
}
.operation .value {
    position: absolute;
    bottom: 5px;
    right: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-shadow: none;
}

.result {
    width: 600px;
    height: 140px;
    color: #FFF;
    font-size: 2.6em;
    font-weight: bold;
    overflow: hidden;
    position: relative;
    text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.3);
}
.result .value {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 10px;
    white-space: nowrap;
    overflow: hidden;
}

.input {
    background-color: #FFF;
    border-radius: 0 0 25px 25px;
    border: 1px solid #1d1d1d;
    height: 340px;
}

.row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    transform: translateY(10px);
}

.row button {
    width: 50px;
    height: 50px;
    font-size: 1.5em;
    border: none;
    border-radius: 50%;
    background-color: transparent;
    margin: 8px;
    cursor: pointer;
    transition: transform 0.2s ease-out;
}

.row button:hover {
    font-weight: bold;
    transform: scale(1.1);
}

.row #calculate {
    color: #FFF;
    background-color: #46e0bc;
    width: 121px;
    border-radius: 50px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.row #delete {
    color: #FFF;
    background-color: #e05046;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#div, #mult, #sub, #adi {
    color: #18b893;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.input button span {
    font-size: 0.6em;
    position: absolute;
    transform: translateY(-20px);
}

.active-angle {
    background-color: #1d1d1d !important;
    color: #FFF !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
    transform: scale(1.05) !important;
}