/* GlupusLes - Main Styles */

/* Accessibility: Visually hidden but screen reader accessible */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Accessibility: Focus indicators for keyboard navigation (WCAG 2.1 AA) */
*:focus-visible {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
}

/* Remove default focus outline only when using mouse */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Fieldset reset for review builder */
fieldset.lf_reviewButtonGroup {
    border: none;
    padding: 0;
    margin: 0;
}

fieldset.lf_reviewButtonGroup legend {
    padding: 0;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color);
}

#main {
    margin-top: calc(var(--header-height));
    min-height: calc(100vh - var(--header-height) - 3rem);
    padding-bottom: 3rem;
}

#lf_boklisteDiv {
    margin-bottom: 5rem;
    padding: 0 1rem;
}

.lf_emptyBookList {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 36rem;
    margin: 2rem auto 5rem;
    padding: 0 1rem;
    color: var(--color);
    text-align: center;
}

.lf_emptyBookList[hidden] {
    display: none;
}

.lf_emptyBookList > p {
    margin: 0;
}

.lf_emptyBookAction {
    display: inline-flex;
    padding: 0.65rem 1rem;
    color: var(--logo-color);
    background-color: var(--emphasis-color);
    border-radius: var(--button-border-radius);
    font-weight: 700;
    text-decoration: none;
}

.lf_emptyBookAction:hover {
    filter: brightness(1.08);
}

.lf_bookListError {
    max-width: 36rem;
    margin: 1rem auto;
    padding: 0.75rem 1rem;
    color: var(--color);
    background-color: var(--panel-color);
    border-left: 0.25rem solid var(--emphasis-color);
    border-radius: var(--border-radius);
}

.lf_mainWrapper {
    width: 90%;
    max-width: 800px;
    margin-inline: auto;
    display: flex;
    flex-wrap: wrap;
    margin-top: 2rem;
    justify-content: center;
}

.lf_deleteBookButton {
    padding: 0.5rem 1rem;
    border-radius: var(--button-border-radius);
    cursor: pointer;
    background-color: var(--panel-color);
    border: 1px solid var(--color);
    color: var(--color);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.lf_deleteBookButton:hover {
    background-color: #dc3545;
    color: white;
    border-color: #dc3545;
}

.lf_deleteBookButton:focus-visible {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
}

/* Registration Form */
.lf_regForm {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Field group: keeps label and its control together */
.lf_formField {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

/* Visible labels – bold, readable, proper contrast */
.lf_regForm label {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color);
    cursor: pointer;
}

/* Required field asterisk – purely decorative, hidden from screen readers */
.lf_required-mark {
    color: #c0392b;
    margin-left: 0.2rem;
    font-weight: 700;
    
}

/* Hint text below an input (e.g. "1 – 3000") */
.lf_fieldHint {
    font-size: 0.8rem;
    color: var(--color);
    opacity: 0.75;
    margin: 0;
}

/* Note explaining required-field convention */
.lf_required-note {
    font-size: 0.85rem;
    color: var(--color);
    opacity: 0.8;
    margin: 0 0 0.5rem;
}

.lf_regForm input,
.lf_regForm select {
    padding: 0.75rem;
    margin-bottom: 0;
    font-size: 1rem;
    border-radius: var(--button-border-radius);
    border: 2px solid var(--panel-color);
    background-color: var(--bgcolor);
    color: var(--color);
    transition: border-color 0.2s ease;
}

.lf_regForm input:focus,
.lf_regForm select:focus {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
    border-color: var(--emphasis-color);
}

/* Invalid state – shown after a failed submit attempt */
.lf_regForm input:invalid:not(:placeholder-shown),
.lf_regForm select:invalid:not(:placeholder-shown) {
    border-color: #c0392b;
}

.lf_regForm textarea {
    min-height: 6rem;
    padding: 0.75rem;
    margin-bottom: 0;
    font-size: 1rem;
    border-radius: var(--button-border-radius);
    border: 2px solid var(--panel-color);
    background-color: var(--bgcolor);
    color: var(--color);
    resize: vertical;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.lf_regForm textarea:focus {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
    border-color: var(--emphasis-color);
}

#lf_regInnerWrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    max-width: 500px;
}

#lf_bookRegForm {
    width: 100%;
}

#lf_bookRegForm > button,
#lf_bookRegForm > input[type="submit"] {
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--button-border-radius);
    background-color: var(--emphasis-color);
    color: var(--logo-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

#lf_bookRegForm > button:hover,
#lf_bookRegForm > input[type="submit"]:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Book Display Cards */
.lf_bookRegisteredWrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    width: 90%;
    max-width: 900px;
    border: none;
    background-color: var(--panel-color);
    margin-inline: auto;
    margin-bottom: 1rem;
    padding: 1.25rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.lf_bookRegisteredWrapper:hover {
    transform: translateY(-2px);
}

.lf_bookRegisteredInfoWrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.lf_bookRegisteredInfoWrapper > h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: var(--color);
}

.lf_bookRegisteredImage {
    max-height: 12rem;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    object-fit: cover;
}

/* Book Search */
#lf_searchResultDiv {
    border: 2px solid var(--panel-color);
    background-color: var(--bgcolor);
    padding: 1rem;
    border-radius: var(--border-radius);
    max-height: 400px;
    overflow-y: auto;
}

#lf_searchResultDiv:empty {
    padding: 0;
    border: none;
    background-color: transparent;
}

.lf_searchHeader {
    font-size: 1rem;
    padding: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-color);
    margin-bottom: 0.75rem;
}

.lf_searchHeader h4 {
    margin: 0;
}

.lf_searchHeaderCloseButton {
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: var(--button-border-radius);
    background-color: transparent;
    border: 1px solid var(--color);
    color: var(--color);
    transition: all 0.2s ease;
}

.lf_searchHeaderCloseButton:hover {
    background-color: var(--panel-color);
}

.lf_searchResultBook {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    cursor: pointer;
    border-radius: var(--button-border-radius);
    transition: all 0.2s ease;
    align-items: center;
}

.lf_searchResultBook:hover {
    background-color: var(--panel-color);
    transform: none;
    border: none;
}

.lf_searchResultImage {
    height: 80px;
    width: auto;
    border-radius: 4px;
    object-fit: cover;
}

.lf_searchResultInfoWrapper h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
}

#lf_bookImgPreview {
    max-height: 20vh;
    width: auto;
    display: block;
    margin-inline: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#lf_bookImgPreview:not([src]),
#lf_bookImgPreview[src=""] {
    display: none;
}

/* Error Message Styles */
.lf_errorMessage {
    padding: 0.75rem 1rem;
    background-color: #ff6b6b;
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Review Builder Styles */
#lf_reviewBuilder {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--panel-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

#lf_reviewWrapper {
    margin-top: 0.5rem;
}

#lf_reviewExpandBtn {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--panel-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    color: var(--color);
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#lf_reviewExpandBtn:hover:not(:disabled) {
    border-color: var(--emphasis-color);
    background-color: var(--hover-bg-color);
}

#lf_reviewExpandBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#lf_reviewExpandIcon {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

#lf_reviewExpandBtn.expanded #lf_reviewExpandIcon {
    transform: rotate(90deg);
}

#lf_reviewBuilder.collapsed {
    display: none;
}

.lf_reviewLabel {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.lf_reviewButtonGroup {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lf_reviewGroupLabel {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color);
    opacity: 0.9;
}

.lf_reviewButtons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.lf_reviewBtn {
    padding: 0.5rem 0.875rem;
    border: 2px solid var(--panel-color);
    border-radius: var(--button-border-radius);
    background-color: var(--bgcolor);
    color: var(--color);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lf_reviewBtn.hidden-option {
    display: none;
}

.lf_reviewBtn:hover {
    border-color: var(--emphasis-color);
    background-color: var(--hover-bg-color);
}

.lf_reviewBtn:focus-visible {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
}

.lf_reviewBtn.active {
    background-color: var(--emphasis-color);
    color: var(--logo-color);
    border-color: var(--emphasis-color);
}

.lf_reviewBtn.active.hidden-option {
    display: inline-block;
}

.lf_showMoreBtn {
    padding: 0.4rem 0.75rem;
    border: none;
    border-radius: var(--button-border-radius);
    background-color: transparent;
    color: var(--emphasis-color);
    font-size: 0.8rem;
    cursor: pointer;
    align-self: flex-start;
    transition: all 0.2s ease;
}

.lf_showMoreBtn:hover {
    text-decoration: underline;
}

.lf_showMoreBtn:focus-visible {
    outline: 3px solid var(--emphasis-color);
    outline-offset: 2px;
}

.lf_showMoreBtn.expanded {
    display: none;
}

.lf_reviewButtons.show-all .lf_reviewBtn.hidden-option {
    display: inline-block;
}

.lf_reviewButtons.show-all + .lf_showMoreBtn {
    display: none;
}

#lf_reviewPreview {
    padding: 0.75rem;
    background-color: var(--bgcolor);
    border-radius: var(--button-border-radius);
    font-style: italic;
    color: var(--color);
    opacity: 0.7;
    min-height: 2rem;
}

#lf_reviewPreview.has-content {
    opacity: 1;
    font-style: normal;
}

.lf_bookReportDiv {
    padding: 1rem;
    align-self: flex-start;
    flex: 1 1 200px;
    background-color: var(--bgcolor);
    border-radius: var(--button-border-radius);
    font-style: italic;
}

.lf_bookReportDiv:empty {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .lf_mainWrapper {
        width: 95%;
    }

    .lf_bookRegisteredWrapper {
        width: 95%;
        flex-direction: column;
        padding: 1rem;
    }

    .lf_bookRegisteredImage {
        max-height: 10rem;
        margin-inline: auto;
    }

    .lf_bookRegisteredInfoWrapper {
        width: 100%;
    }

    .lf_bookReportDiv {
        width: 100%;
    }

    #lf_regInnerWrapper {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .lf_bookRegisteredWrapper {
        gap: 1rem;
    }

    .lf_searchResultBook {
        flex-direction: column;
        text-align: center;
    }

    .lf_searchResultImage {
        height: 60px;
    }
}