:root {
    --bg-main: #101828;
    --bg-shelf: #1e2939;
    --bg-card: #364153;
    --bg-dialog: #283343;

    --accent: #00786f;
    --close: rgb(181, 14, 14);
    --delete: rgb(212, 47, 47);
    --read: green;
    --unread: maroon;

    --text-primary: #ffffff;
    --text-secondary: #e5e7eb;

    --border-primary: #a9792b;
}

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

html {
    scrollbar-gutter: stable;
}

body {
    background-color: var(--bg-main);
    font-family: "Roboto", sans-serif;
}

button {
    cursor: pointer;
}

button:hover {
    opacity: 0.7;
}

button:active {
    opacity: 0.3;
}

.main-container {
    background-color: var(--bg-main);
    padding: 0 3rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header{
    background-color: var(--bg-main);
    min-width: min-content;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
}

.heading-row {
    flex: auto;
}

.main-heading, .para-hero {
    padding: 1rem 2rem;
}

.main-heading {
    font-size: 3rem;
    font-weight: 700;
}

.hero-row {
    flex: auto;
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    gap: 1rem;
}

.para-hero {
    font-size: 1rem;
    flex: auto;
}

.btn-hero {
    padding-left: 2rem;
    flex: auto;
}

.btn-newBook, .btn-bookView{
    background-color: var(--accent);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    padding: 12px 24px;
    border: none;
    border-radius: 1rem;
}

html:has(#main-dialog[open]) {
    overflow: hidden;
}

#main-dialog, #dialog-cover-image {
    background-color: var(--bg-dialog);
    min-width: min-content;
    margin: auto;
    outline: none;
    border: none;
    border: solid var(--border-primary);
    border-width: 6px;
    border-radius: 16px;
}

#main-dialog::backdrop, #dialog-cover-image::backdrop {
    background-color: hsl(0, 0%, 0% / 0.4);
    backdrop-filter: blur(4px);
}

#main-dialog[open], #dialog-cover-image[open] {
    display: flex;
}

.dialog-content-form, .dialog-content-cover-image {
    background-color: var(--bg-dialog);
    color: var(--text-primary);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.dialog-content-form {
    gap: 1rem;
}

.dialog-head {
    flex: auto;
    padding: 1rem;
    border-bottom: 1px solid var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dialog-heading {
    flex: 1;
    font-size: 2rem;
    font-weight: 700;
}

.dialog-close, .cover-image-close {
    padding: 0;
    background: none;
    width: min-content;
    height: min-content;
    border: none;
    border-radius: 50%;
}

.svg-close {
    width: 2rem;
    fill: var(--close);
}

#dialog-form {
    padding: 1rem;
    font-size: 1.1rem;
    flex: auto;
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    gap: 1rem;
}

input {
    font-size: 0.9rem;
    padding: 3px 4px;
    border-radius: 8px;
}

.status-box {
    display: flex;
    align-items: center;
}

#status {
    margin: 0 8px;
}

.readstatus {
    font-size: 0.9rem;
}

#coverImage {
    margin-left: 7px;
    max-width: 12rem;    
}

.dialog-ok {
    padding: 0.4rem 1rem;
    height: 2rem;
    width: 5rem;
    background-color: var(--accent);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 1rem;
    grid-column: 1 / 3;
    justify-self: end;
}

.dialog-row-image {
    flex: 1;
    padding: 1rem;
}

.dialog-row-image > img {
    display: block;
    min-width: 256px;
    max-width: min(400px, 75vw);
    height: auto;
    border-radius: 12px;
}

.dialog-row-close {
    padding-bottom: 0.4rem;
    flex: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-content {
    background-color: var(--bg-shelf);
    margin: 1rem 0;
    padding: 2rem;
    min-width: min-content;
    border-radius: 1.5rem;
    flex: 1;
    display: flex;
}

.grid-shelf {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%,320px),1fr));
    justify-items: start;
    align-items: start;
    gap: 1.5rem;
}

.grid-book {
    background-color: var(--bg-card);
    border-radius: 1rem;
    color: var(--text-primary);
    width: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.book-head {
    height: min-content;
    padding: 1rem 2rem;
    font-size: 1.3rem;
    border-bottom: 2px solid var(--bg-shelf);
    display: flex;
    gap: 0.5rem;
}

.book-title {
    flex: 1;
}

.btn-bookDelete {
    fill: var(--delete);
    width: min-content;
    height: min-content;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.svg-delete {
    width: 2rem;
}

.book-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.book-info > * {
    width: 100%;
    flex: 1;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    align-self: start;
    display: flex;
    align-items: center;
}

.bookStatus {
    gap: 1rem;
}

.btn-bookStatus {
    width: min-content;
    height: min-content;
    margin: 0 8px;
    background: none;
    border: none;
    border-radius: 1rem;
}

.status-off, .status-on {
    width: 2.8rem;
}

.status-off {
    fill: var(--unread);
}

.status-on {
    fill: var(--read);
}

.bookStatus > p {
    flex: content;
}