/* =============================================================
   BAREVNÁ PALETA — CSS PROMĚNNÉ
   ============================================================= */
:root {
    --primaryColor: #4154fa;
    --primaryColorDarken: #3041d1;
    --darkColor100: #1c2125;
    --darkColor10: #f2f5f7;

    /* Override Cassiopeia proměnných */
    --cassiopeia-color-primary: var(--primaryColor);
    --cassiopeia-color-link: var(--primaryColor);
    --link-color: var(--primaryColor);
    --link-color-rgb: 65, 84, 250;
    --cassiopeia-color-hover: var(--primaryColorDarken);
    --link-hover-color: var(--primaryColorDarken);
    --link-hover-color-rgb: 48, 65, 209;
}

/* Tlačítka */
.btn-primary {
    --btn-bg: var(--primaryColor);
    --btn-border-color: var(--primaryColor);
    --btn-hover-bg: var(--primaryColorDarken);
    --btn-hover-border-color: var(--primaryColorDarken);
    --btn-active-bg: var(--primaryColorDarken);
    --btn-active-border-color: var(--primaryColorDarken);
    background-color: var(--primaryColor);
    border-color: var(--primaryColor);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primaryColorDarken);
    border-color: var(--primaryColorDarken);
}

.btn-outline-primary {
    --btn-color: var(--primaryColor);
    --btn-border-color: var(--primaryColor);
    --btn-hover-bg: var(--primaryColor);
    --btn-hover-border-color: var(--primaryColor);
    --btn-active-bg: var(--primaryColorDarken);
    --btn-active-border-color: var(--primaryColorDarken);
    color: var(--primaryColor);
    border-color: var(--primaryColor);
}

.btn-outline-primary:hover {
    background-color: var(--primaryColor);
    border-color: var(--primaryColor);
    color: #fff;
}

/* Paginace */
.pagination .active .page-link {
    background-color: var(--primaryColor) !important;
    border-color: var(--primaryColor) !important;
    color: #fff;
    font-weight: bold;
}

/* Hover na blog řádcích */
.blog-item-row:hover {
    border-color: var(--primaryColor) !important;
}


/* =============================================================
   ZÁHLAVÍ (HEADER)
   ============================================================= */
.container-header {
    background-color: var(--primaryColor);
    background-image: none;
}

/* Header inner — logo vlevo, navigace vpravo */
.header-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0.5rem 1rem;
}

.header-inner .navbar-brand {
    margin: 0;
    padding: 0;
    font-size: 1.15rem;
}

.header-inner .navbar-brand a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}

.header-nav {
    margin-left: auto;
}

.header-nav .mod-menu {
    margin: 0;
}

.container-header .mod-menu > li > a,
.container-header .mod-menu > li > button {
    color: rgba(255, 255, 255, 0.85);
}

.container-header .mod-menu > li > a:hover,
.container-header .mod-menu > li.active > a {
    color: #fff;
}

.container-header .mod-menu__sub {
    background-color: #fff;
}

.container-header .mod-menu__sub a {
    color: var(--darkColor100);
}

.container-header .mod-menu__sub a:hover {
    color: var(--primaryColor);
}

.container-header .mod-menu__toggle-sub {
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 991.98px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-nav {
        margin-left: 0;
        width: 100%;
    }
}


/* =============================================================
   ZÁPATÍ (FOOTER)
   ============================================================= */
.container-footer {
    background-color: var(--darkColor100);
    background-image: none;
    color: rgba(255, 255, 255, 0.85);
}

.container-footer a {
    color: rgba(255, 255, 255, 0.85);
}

.container-footer a:hover {
    color: #fff;
}

/* Skrytí Joomla výchozího mod_footer a mod_custom */
.container-footer .mod-footer,
.container-footer .mod-custom {
    display: none;
}

/* Vlastní footer layout — mimo grid-child, vlastní max-width */
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 2rem 1rem 1.5rem;
}

.footer-left h4 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-left .footer-copyright {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 1rem;
}

.footer-right h4 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-right p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.footer-right a {
    text-decoration: underline;
}

.footer-right a:hover {
    color: #fff;
}

/* Oddělující čára a login */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    max-width: 1320px;
    margin: 0 auto;
    padding: 1rem 1rem 1.5rem;
    text-align: center;
    font-size: 0.85rem;
}

.footer-login-btn {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.2s;
}

.footer-login-btn:hover {
    color: #fff;
    text-decoration: underline;
}

@media (max-width: 991.98px) {
    .footer-inner {
        flex-direction: column;
    }
    .footer-right {
        margin-top: 1.5rem;
    }
}


/* =============================================================
   BLOG — ŘÁDKOVÝ VÝPIS ČLÁNKŮ
   ============================================================= */
.blog-item-row {
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #dee2e6 !important;
}

.blog-item-row a:not(.stretched-link) {
    position: relative;
    z-index: 2;
}

.blog-item-row:hover {
    background-color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.object-fit-cover {
    object-fit: cover;
}


/* =============================================================
   PAGINACE
   ============================================================= */
.com-content-category-blog__pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.pagination {
    --bs-pagination-border-radius: 8px;
    --bs-pagination-padding-x: 1rem;
    --bs-pagination-padding-y: 0.5rem;
}

.pagination .page-link {
    border-radius: 8px !important;
    margin: 0 5px;
    color: #495057;
    border: 1px solid #dee2e6;
}

.pagination .page-link:hover {
    background-color: #e9ecef;
    border-color: #dee2e6;
}


/* =============================================================
   KARTY KROUŽKŮ NA HLAVNÍ STRÁNCE
   ============================================================= */
.krouzek-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    border-radius: 0.25rem;
    overflow: hidden;
}

.krouzek-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12) !important;
}

.krouzek-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.krouzek-title-link {
    color: var(--primaryColor);
}

.krouzek-card:hover .krouzek-title-link {
    color: var(--primaryColorDarken);
}

/* Popis kroužku — max 4 řádky */
.krouzek-popis {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    font-size: 0.9em;
    color: #6c757d;
    margin-bottom: 0;
}

/* Metadata kroužku */
.krouzek-meta {
    padding-top: 0.75rem;
    border-top: 1px solid #e9ecef;
}

.krouzek-meta-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.2rem 0;
    font-size: 0.9rem;
}

.krouzek-meta-label {
    color: #333;
    font-weight: 600;
    flex-shrink: 0;
    margin-right: 0.5rem;
}

.krouzek-meta-value {
    color: #555;
    text-align: right;
}

/* ============================================================
   Obrázky projektových karet
   ============================================================ */
.project-card-img {
    height: 200px;
    object-fit: contain;
}

.project-card-img.placeholder-img {
    object-fit: contain;
    background-color: var(--darkColor10);
    padding: 1rem;
}

/* ============================================================
   Avatar vyučujícího
   ============================================================ */
.teacher-avatar {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.teacher-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teacher-email-link {
    color: var(--primaryColor);
}

.teacher-email-link:hover {
    color: var(--primaryColorDarken);
}

.teacher-contact-text {
    color: #495057;
    font-size: 0.9rem;
}

/* ============================================================
   Thumbnail aktuality (blog_item)
   ============================================================ */
.blog-item-thumb {
    width: 100px;
    height: 75px;
    flex-shrink: 0;
}

.blog-item-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

/* ============================================================
   Detail projektu (article view)
   ============================================================ */
.project-article .project-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--darkColor100);
    line-height: 1.3;
}

.project-article .project-intro {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #495057;
}

.project-hero-image {
    border-radius: 8px;
    overflow: hidden;
}

.project-hero-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
}

.project-hero-img.placeholder-img {
    object-fit: contain;
    background-color: var(--darkColor10);
    padding: 2rem;
}

.project-fulltext {
    padding-top: 2rem;
    margin-top: 1rem;
    line-height: 1.8;
}

.project-fulltext img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

@media (max-width: 991.98px) {
    .project-hero-image {
        margin-top: 1.5rem;
    }
}

/* ============================================================
   Front-end Editor — Instruktážní panel
   ============================================================ */
.project-form-instructions {
    background-color: #e8ebff;
    border: 1px solid var(--primaryColor);
    border-left: 4px solid var(--primaryColor);
    border-radius: 4px;
    padding: 1rem 1.25rem;
    color: var(--darkColor100);
}

.project-form-instructions .alert-heading {
    color: var(--primaryColor);
    font-size: 1.1rem;
}

.project-form-instructions ol {
    padding-left: 1.25rem;
}

.project-form-instructions ol li {
    margin-bottom: 0.3rem;
}

.project-image-upload {
    background-color: var(--darkColor10);
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.project-image-upload h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--darkColor100);
    margin-bottom: 0.75rem;
}

/* ============================================================
   Detail kroužku — Info karty
   ============================================================ */
.club-info-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 1.5rem;
    height: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.club-info-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--darkColor100);
    margin-top: 0;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primaryColor);
}

.club-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.club-info-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--darkColor10);
}

.club-info-item:last-child {
    border-bottom: none;
}

.club-info-label {
    font-weight: 600;
    color: var(--darkColor100);
    flex-shrink: 0;
    margin-right: 0.5rem;
}

.club-info-value {
    color: #495057;
    text-align: right;
}

/* ============================================================
   Detail kroužku — Sekce (nadpisy)
   ============================================================ */
.club-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--darkColor100);
    margin-bottom: 1rem;
}

/* ============================================================
   Detail kroužku — Expand/collapse (generalizované třídy)
   ============================================================ */
.club-desc-wrapper {
    position: relative;
    max-width: 55em;
}

.club-expandable {
    max-height: 150px;
    overflow: hidden;
    transition: max-height 0.5s ease;
    line-height: 1.7;
}

.club-expandable.expanded {
    max-height: 2000px;
}

.club-expandable-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, #fff);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.club-expandable-fade.expanded {
    opacity: 0;
}

/* ============================================================
   Detail kroužku — Témata
   ============================================================ */
.tech-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 55em;
}

.tech-item {
    padding: 0.25rem 0;
}

.tech-name {
    font-weight: 600;
    color: var(--darkColor100);
}

.tech-desc {
    color: #495057;
}

/* ============================================================
   Project link title (nahrazení inline color)
   ============================================================ */
.project-link-title {
    color: var(--primaryColor);
}

.project-link-title:hover {
    color: var(--primaryColorDarken);
}

/* ============================================================
   GALERIE — Grid 2×4, lightbox, drop-zone, inline editing
   ============================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
    width: 100%;
}

.gallery-item {
    display: block;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4 / 3;
    position: relative;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

/* Dragging state */
.gallery-item.dragging {
    opacity: 0.4;
}

/* Drop-zone */
.gallery-dropzone {
    width: 100%;
    max-width: none;
    min-height: 120px;
    border: 2px dashed var(--primaryColor);
    border-radius: 12px;
    padding: 2rem;
    background-color: var(--darkColor10);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    margin-top: 1rem;
    gap: 0.5rem;
}

.gallery-dropzone.dragover {
    background-color: rgba(65, 84, 250, 0.08);
    border-color: var(--primaryColorDarken);
}

.gallery-dropzone.uploading {
    opacity: 0.6;
    pointer-events: none;
}

.gallery-dropzone .icon-upload {
    font-size: 2.5rem;
    color: var(--primaryColor);
}

.gallery-dropzone p {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primaryColor);
}

/* Remove button (inline editing) */
.gallery-item .gallery-remove {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    z-index: 2;
}

.gallery-item:hover .gallery-remove {
    display: flex;
}

/* Form editor gallery section */
.gallery-form-section h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--darkColor100);
}

/* Unsaved changes indicator */
.gallery-section.gallery-unsaved::before {
    content: 'Galerie byla změněna — změny jsou uloženy automaticky';
    display: block;
    padding: 0.5rem 1rem;
    margin-bottom: 0.75rem;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #664d03;
}

/* Responsive — mobil: force single column */
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   GALERIE — lightGallery přepisy
   ============================================================ */
.lg-backdrop {
    z-index: 10000;
}
.lg-outer {
    z-index: 10001;
}