:root {
    --border-radius: 0.25rem;
    --border-color: #a1a3a5;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 2rem;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    font-family: Helvetica, Arial, sans-serif;
}

button {
    padding: 0.5rem 1rem;
    cursor: pointer;
}

input::file-selector-button {
    padding: 0.25rem 0.75rem;
}

button,
input::file-selector-button {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);

    background-color: hsl(210, 2.2%, 84.2%);
    color: hsl(332, 100%, 50%);
    font-weight: bold;
    font-size: 1rem;
}

button:hover,
input::file-selector-button:hover {
    background-color: hsl(210, 2.2%, 80%);
    color: hsl(332, 100%, 55%);
}

textarea,
input {
    width: 100%;
    padding: 0.5rem 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);

    font-size: 1rem;
}

input[type="file"] {
    padding: 0.25rem;
}

hr {
    width: 25vw;
    margin: 4rem 0;
}

.input-button {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.input-button input {
    flex-grow: 1;
    width: auto;
}

.warning {
    border: 1px solid hsl(0, 50%, 50%);
    background-color: hsl(0, 40%, 80%);
    padding: 1rem;
}

.info {
    border: 1px solid hsl(190, 30%, 60%);
    background-color: hsl(190, 30%, 90%);
    padding: 1rem;
}