@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&family=Signika:wght@300..700&display=swap');

@font-face {
    font-family: souvenir;
    src: url("fonts/SouvenirB.ttf");
}

:root {
    --headerBg: #FAF8F6;
    --black: #1E1915;
    --formBorder: #949494;
    --formBorderHover: #888C8C;
    --grey: #F2F2F2;
    --white: #FFFFFF;
    --greyborder: #E5E7EB;
    --borderThickness: 0.0625rem;
    --borderRadius: 4rem;
    --buttonBg: #1E1915;
    --padding: 20px;
    --width: 768px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch; 
    font-size: 1rem;
    line-height: 1.5;
    background-color: #FFFFFF;
}

.header-container {
    display: flex;
    position: relative;
    flex: 0 0 auto;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    font-family: "souvenir", serif;
    font-size: 1.5rem;
    padding: var(--padding);
    gap: 1rem;
    background-color: var(--headerBg);
    color: var(--black);
    word-break: break-word;
    box-shadow: 0px 0px 8px 8px rgba(0, 0, 0, 0.25);
    z-index: 1;

}

.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex: 1;
}

.header-container svg path {
    fill: var(--black);
}

.header-container svg {
    --size: 4rem;

    width: var(--size);
    height: var(--size);
}

.add-book-container {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
}

#add-book-form {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    padding: var(--padding);
    font-size: 1.5rem;
    border-radius: 0.5rem;
    color: var(--black);
    background-color: var(--headerBg);
    border: calc(var(--borderThickness) * 3) solid var(--buttonBg);
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.66);
    backdrop-filter: blur(2px);
}

.form {
    font-family: "Signika", sans-serif;
    color: black;
    font-weight: bold;
    width: 100%;
}

.form-row {
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    flex-wrap: wrap;
    max-width: calc(100vw - var(--padding) * 2);
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.read {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: row;
    gap: 1rem;
}

.read > div {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
}

.form-btns {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-row input[type='text'],
.form-row input[type=number] {
    font-family: "Lato", sans-serif;
    width: 100%;
    font-size: 1.25rem;
    min-height: 3rem;
    padding: 8px 1.25rem;
    border: var(--borderThickness) solid var(--formBorder);
    border-radius: var(--borderRadius);
}

.form-row input[type='text']:hover,
.form-row input[type=number]:hover,
input[type="checkbox"]:hover {
    border: var(--borderThickness) solid var(--formBorderHover);
    background-color: #EBEBEB;
}

.form-row input[type='text']:focus,
.form-row input[type=number]:focus {
    outline: none;
    background-color: #FFFFFF;
    border: var(--borderThickness) solid #000000;
    box-shadow: 4px 4px 2px rgba(0, 0, 0, 0.15);
}

.form-row input[type='text']:invalid,
.form-row input[type=number]:invalid {
    border: var(--borderThickness) solid #DD0000;
}

input[type="checkbox"] {
    --size: 1.5rem;
    appearance: none;
    -webkit-appearance: none;
    width: var(--size);
    height: var(--size);
    border: var(--borderThickness) solid var(--formBorder);
    border-radius: 0.25rem;
    cursor: pointer;
}

input[type="checkbox"]:checked {
    background-color: var(--buttonBg);
    border: var(--borderThickness) solid var(--buttonBg);
}

input[type="checkbox"]:checked::after {
    content: "✓";
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #FFFFFF;
    font-size: 1rem;
}

button {
    flex: 1;
    font-family: "Signika", sans-serif;
    font-size: 1rem;
    color: #FFFFFF;
    background-color: var(--buttonBg);
    outline: none;
    border-radius: var(--borderRadius);
    border: var(--borderThickness) solid var(--buttonBg);
    word-break: normal;
    padding: 8px 0.75rem;
    word-break: break-all;
}

button:hover,
input[type="checkbox"]:checked:hover {
    cursor: pointer;
    background-color: #32362D;
}

button:active {
    scale: 0.95;
}

.main-body-container {
    display: flex;
    flex: 1 1 auto;
    min-height: 0; 
    flex-direction: column;
    width: 100%;
    gap: 1rem;
    padding: var(--padding);
    overflow-y: scroll;
}

.book-container {
    font-size: 1rem;
    font-family: "Signika", sans-serif;
    text-align: center;
    background-color: var(--grey);
    border-radius: 0.5rem;
    border: 0.0625rem solid var(--greyborder);
    box-shadow: 2px 4px 4px 0px rgba(0, 0, 0, 0.20);
    padding: calc(var(--padding) / 2);
    width: auto;
    word-break: break-word;
}

.book-info-container {
    margin-bottom: 0.5rem;
}

.book-title {
    font-weight: bold;
    word-break: break-word;
}

.book-container-footer {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media only screen and (min-width: 768px) {
    .header-container {
        flex-direction: row;
        gap: 4rem;
    }

    .header {
        flex: 0 1 auto;
    }

    .add-book-container {
        width: fit-content;
    }

    .main-body-container {
        display: grid;
        justify-content: center;
        grid-template-columns: repeat(auto-fit, min(22rem, 100%));
        align-content: start;
    }

    .book-container {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .book-container-footer {
        flex-direction: row;
    }

    #new-book-btn {
        width: 10rem;
    }

    #add-book-form {
        max-width: calc(var(--width) - var(--padding) * 2);
    }

    .form-row {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
    }

    label {
        min-width: 5rem; 
    }

    .form-btns {
        display: flex;
        flex-direction: row;
    }
}