* {
    margin: 0;
    padding: 0;
}

:root {
    --bg-color: #3A2A28;
    --bg-color-container: #5A3A32;
    --color-border: #7A4E3D;
    --color-title: #FFCFA6;
    --color-text: #F7F2E9;
}

body {
    background-color: var(--bg-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    margin: 2rem;
    align-self: center;
}

main {
    flex: 1;
    display: grid;
    grid-template-rows: auto 1fr;
    grid-template-areas:
        "InputBooksArea"
        "CompletedBooksArea";
}

h1,
h2 {
    color: var(--color-title);
}

h2.bg_color_box {
    background-color: var(--bg-color-container);
    padding: 1rem;
    margin: 0 1rem;
    grid-area: CompletedBooksArea;
}

.book {
    color: var(--color-text);
    grid-area: InputBooksArea;
    padding-left: 1rem;
    display: grid;
    grid-template-columns: 100px 200px 150px;
    margin-bottom: 1rem;
}

.book label {
    grid-column: 1;
    margin: 0.25rem;
}

.book input {
    grid-column: 2;
}

#btnSave {
    grid-row: 5;
    grid-column: 2;
    margin: 0.5rem;
}

#btnCamera {
    grid-row: 3;
    grid-column: 3;
    z-index: 1;
}

.hidden {
    display: none;
}

#video {
    grid-column: 3;
    grid-row: 1 / span 5;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.completedBooks_grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    color: var(--color-text);
    grid-area: CompletedBooksArea;
    margin-left: 1rem;
    row-gap: 0.5rem;
}