/* ==================================== Root and All ==================================== */

:root {
    --blue: #B5E2FA;
    --white: #F9F7F3;
    --vanilla: #EDDEA4;
    --vanilla-light: #eddea4c0;
    --orange: #F7A072;
    --flame: #D8572A;
    --mint: #a9eac3;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

html, body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* ==================================== Header ==================================== */

header {
    font-size: 1.5rem;
    padding: 10px;
    text-align: center;
    border-bottom: 2px solid var(--orange);
    background-color: var(--flame);
    color: var(--vanilla);
    text-shadow: 1px 1px var(--white), 2px 2px var(--blue), 3px 3px 0 black;
    letter-spacing: .2rem;
}

/* ==================================== Main ==================================== */

main {
    flex: 1;
    background-color: var(--blue);
}

/* --------------------- Add Book Button --------------------- */

#add-book-btn {
    display: block;
    width: 130px;
    height: 40px;
    border-radius: 20px;
    border: green 1px solid;
    background-color: var(--vanilla-light);
    font-weight:600;
    font-size: 1.1rem;
    margin: auto;
    margin-top: 20px;
    box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.191);
}

#add-book-btn:hover {
    background-color: var(--orange);    
}

#add-book-btn:active {
    background-color: var(--flame);    
}

/* --------------------- Books Container --------------------- */

.books-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, 300px);
    padding: 20px 100px;
    gap: 50px;
    align-items: center;
    justify-content: center;
}

/* --------------------- Book Card --------------------- */

.book-card {
    background-color: var(--mint);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px 20px;
    border: 1px solid var(--orange);
    box-shadow: 2px 3px 5px rgba(0, 0, 0, 0.15);
}

.book-card p {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: rgb(107, 40, 16)
}

.title, .author, .pages, .year {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.title-input, .author-input, .pages-input, .year-input {
    background-color: var(--white);
    border-radius: 6px;
    padding: 10px;
    box-shadow: inset 1px 2px 3px rgba(0, 0, 0, 0.12);
    color: var(--flame);
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.4;
    text-align: left;
}

.title-input {
    font-size: 1.1rem;
    font-weight: 600;
}

.pages-and-year {
    display: flex;
    gap: 20px;
    justify-content: space-between;
}

.read-btn, .remove-btn {
    height: 40px;
    font-size: 1rem;
    border-radius: 18px;
    border: none;
    background-color: var(--vanilla-light);  
    font-weight: 500;
    border: 1px solid green;
    padding: 0 12px;
}

.read-btn:hover, .remove-btn:hover {
    background-color: var(--orange);    
}

.read-btn:active, .remove-btn:active {
    background-color: var(--flame);    
}

.buttons {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
}


/* ==================================== Dialog Form ==================================== */

.add-book-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 50px;
}

fieldset {
    padding: 20px;
}

/* ==================================== Footer ==================================== */

footer {
    padding: 10px;
    background-color: var(--vanilla-light);
    color: var(--flame);
}

/* ==================================== Dialog Modal ==================================== */

#add-book-dialog {
    border: none;
    border-radius: 15px;
    padding: 0;
    box-shadow: 3px 5px 15px rgba(0, 0, 0, 0.3);
    background-color: var(--white);
    max-width: 500px;
    width: 90%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* --------------------- Form Container --------------------- */

.add-book-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 30px;
    background-color: var(--white);
    border-radius: 15px;
}

.add-book-form p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--flame);
    text-align: center;
    margin-bottom: 10px;
}

/* --------------------- Form Rows --------------------- */

.form-row {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-row label {
    font-weight: 600;
    color: var(--flame);
    margin-bottom: 5px;
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row input[type="date"] {
    padding: 10px;
    border-radius: 10px;
    border: transparent;
    background-color: var(--vanilla-light);
    font-size: 1rem;
}

/* --------------------- Fieldset and Radio Options --------------------- */

fieldset {
    border-radius: 10px;
    padding: 15px;
    background-color: var(--vanilla-light);
    border: transparent;
}

legend {
    font-weight: 600;
    color: var(--flame);
}

.radio-option {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.radio-option input[type="radio"] {
    accent-color: var(--flame);
}

/* --------------------- Form Buttons --------------------- */

.confirm-cancel-buttons {
    display: flex;
    gap: 15px;
}

#cancel-btn, #confirm-btn {
    flex: 1;
    height: 40px;
    border-radius: 20px;
    border: 1px solid green;
    font-weight: 600;
    font-size: 1rem;
    background-color: var(--vanilla-light);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.15);
}

#cancel-btn:hover, #confirm-btn:hover {
    background-color: var(--orange);
}

#cancel-btn:active, #confirm-btn:active {
    background-color: var(--flame);
}