/* === ZÁKLADNÍ PROMĚNNÉ A KONTEJNER === */
:root {
    --do-primary: #90EE90;
    --do-primary-hover: #aeffae;
    --do-primary-dark: #72d072;
    --do-bg-main: #1a1a1a;
    --do-bg-panel: rgba(0, 0, 0, 0.25);
    --do-bg-hover: rgba(255, 255, 255, 0.05);
    --do-text-light: #ffffff;
    --do-text-muted: rgba(255, 255, 255, 0.7);
    --do-danger: #dc3545;
    --do-text-on-primary: #000000;
}

.do-accordion-wrapper,
.do-accordion-wrapper * {
    box-sizing: border-box;
}

.do-accordion-wrapper {
    background-color: var(--do-bg-main);
    padding: 20px;
    border-radius: 8px;
    font-family: 'Segoe UI', Arial, sans-serif;
    border: 1px solid var(--do-primary-dark);
    color: var(--do-text-light);
    overflow-wrap: break-word;
    word-wrap: break-word;
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    clear: both;
    overflow-x: hidden;
}

.do-accordion-wrapper img, 
.do-accordion-wrapper iframe, 
.do-accordion-wrapper video {
    max-width: 100%;
}

.do-main-heading {
    color: var(--do-primary) !important;
    font-size: 1.5em;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--do-primary-dark);
    text-transform: uppercase;
    line-height: 1.3;
}

.do-status-message {
    text-align: center;
    padding: 20px;
    color: var(--do-primary);
    font-style: italic;
}

.do-error-message {
    color: var(--do-text-light);
    border: 1px solid var(--do-danger);
    padding: 15px;
    border-radius: 5px;
    background-color: rgba(220, 53, 69, 0.1);
    text-align: center;
}

/* === HLAVIČKA AKORDEONU === */
.do-accordion-item {
    margin-bottom: 8px;
}

.do-accordion-header {
    display: flex;
    align-items: center;
    padding: 15px;
    text-decoration: none;
    color: var(--do-text-light);
    font-size: 1.1em;
    border-left: 5px solid var(--do-primary);
    background-color: var(--do-bg-hover);
    transition: background-color 0.3s ease, color 0.3s ease;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    position: relative;
    width: 100%;
}

.do-accordion-header:hover {
    background-color: var(--do-primary);
    color: var(--do-text-on-primary);
}

.do-concert-date {
    font-weight: bold;
    color: var(--do-primary);
    margin-right: 15px;
    flex-shrink: 0;
}

.do-accordion-header:hover .do-concert-date {
    color: var(--do-text-on-primary);
}

.do-concert-title-group {
    flex-grow: 1;
    min-width: 0; /* Klíčová oprava pro flexbox blowout */
}

.do-concert-title {
    color: var(--do-text-light);
}

.do-accordion-header:hover .do-concert-title {
    color: var(--do-text-on-primary);
}

.do-concert-separator, .do-concert-performer {
    font-style: italic;
    color: var(--do-text-muted);
}

.do-accordion-header:hover .do-concert-separator,
.do-accordion-header:hover .do-concert-performer {
    color: var(--do-text-on-primary);
    opacity: 0.8;
}

.do-accordion-header::after {
    content: '+';
    font-size: 1.5em;
    color: var(--do-primary);
    margin-left: 20px;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.do-accordion-header.active::after {
    content: '−';
}

.do-accordion-header:hover::after {
    color: var(--do-text-on-primary);
}

/* === PANEL A OBSAH === */
.do-accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    background-color: var(--do-bg-panel);
    border-left: 5px solid var(--do-primary-dark);
    border-radius: 0 4px 4px 0;
}

.do-panel-content {
    padding: 25px;
    overflow: hidden; /* Pojistka proti roztažení plovoucími prvky */
}

.do-panel-content p, 
.do-panel-content li, 
.do-panel-content div,
.do-panel-content span {
    color: var(--do-text-light);
    line-height: 1.6;
}

.do-panel-content h2, 
.do-panel-content h3 {
    color: var(--do-primary) !important;
    margin-top: 0;
}

.do-panel-content strong,
.do-panel-content b {
    color: var(--do-primary-hover) !important;
}

.do-panel-content ul {
    list-style-type: none;
    padding-left: 0;
}

.do-panel-content li {
    margin-bottom: 10px;
}

.do-metadata {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--do-primary-dark);
}

.do-metadata p {
    margin: 5px 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.do-metadata a {
    color: var(--do-primary) !important;
    text-decoration: underline;
}
    
.do-metadata a:hover {
    color: var(--do-primary-hover) !important;
}

.do-map-link {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    color: var(--do-primary) !important;
    transition: color 0.3s ease, transform 0.3s ease;
    text-decoration: none !important;
}

.do-map-link svg {
    width: 18px;
    height: 18px;
}

.do-map-link:hover {
    color: var(--do-primary-hover) !important;
    transform: translateY(-2px);
}

/* === OBRÁZKY A GALERIE === */
.do-main-image {
    width: 310px;
    height: auto;
    float: left;
    margin-right: 20px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}

.do-clearfix::after {
    content: "";
    clear: both;
    display: table;
}

.do-gallery-container {
    position: relative;
    margin-top: 30px;
    clear: both;
    width: 100%;
}
.do-gallery-scroller {
    overflow-x: auto;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
    width: 100%;
}
.do-gallery-scroller::-webkit-scrollbar {
    display: none;
}
.do-gallery {
    display: flex;
    flex-wrap: nowrap;
    gap: 15px;
    padding: 5px 0;
}
.do-gallery img {
    width: 200px;
    height: 120px;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}
.do-gallery-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background-color: var(--do-primary);
    color: var(--do-text-on-primary);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, opacity 0.2s;
    opacity: 0.7;
}
.do-gallery-scroll-btn:hover {
    background-color: var(--do-primary-hover);
    opacity: 1;
}
.do-gallery-scroll-btn.prev { left: 10px; }
.do-gallery-scroll-btn.next { right: 10px; }

/* === TLAČÍTKA A VIDEO === */
.do-buttons {
    margin-top: 25px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    clear: both;
}

.do-btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.do-btn-secondary {
    background-color: transparent;
    color: var(--do-primary) !important;
    border: 1px solid var(--do-primary);
}

.do-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.do-show-more-btn {
    display: block;
    margin: 25px auto 10px auto;
    padding: 12px 35px;
    font-size: 1.05em;
    text-transform: uppercase;
}

.do-ticket-wrap {
    margin-bottom: 20px;
    clear: both;
}

.do-btn-ticket {
    padding: 6px 16px;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--do-primary);
    color: var(--do-text-on-primary) !important;
}

.do-btn-ticket:hover {
    background-color: var(--do-primary-hover);
}

.do-btn-ticket.soldout {
    background-color: var(--do-danger);
    border-color: var(--do-danger);
    color: #ffffff !important;
    cursor: not-allowed;
}

.do-collapse-btn {
    display: block;
    margin: 30px auto 0 auto;
    padding: 8px 30px;
    background-color: var(--do-primary);
    color: var(--do-text-on-primary) !important;
}
.do-collapse-btn:hover {
    background-color: var(--do-primary-hover);
}

.do-video-wrapper {
    position: relative;
    max-width: 580px;
    margin: 30px auto 0 auto;
    padding-bottom: 56.25%;
    height: 100%;
    clear: both;
}

.do-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    border: 1px solid var(--do-primary);
}

/* === LIGHTBOX === */
.do-lightbox {
    display: none;
    position: fixed;
    z-index: 9999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
}
.do-lightbox-content {
    max-width: 90%;
    max-height: 85%;
    object-fit: contain;
}
.do-lightbox-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: var(--do-primary);
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    line-height: 1;
}
.do-lightbox-close:hover {
    color: var(--do-primary-hover);
}
.do-lightbox-prev, .do-lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 16px;
    color: var(--do-primary);
    font-weight: bold;
    font-size: 24px;
    transition: 0.3s ease;
    user-select: none;
}
.do-lightbox-next { right: 15px; }
.do-lightbox-prev { left: 15px; }
.do-lightbox-prev:hover, .do-lightbox-next:hover {
    color: var(--do-primary-hover);
}

/* === MOBILNÍ ZOBRAZENÍ === */
@media (max-width: 768px) {
    .do-accordion-header {
        flex-wrap: wrap;
        padding: 12px 45px 12px 15px;
    }
    .do-concert-date {
        width: 100%;
        margin-bottom: 4px;
        margin-right: 0;
    }
    .do-concert-title-group {
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    .do-accordion-header .do-concert-title,
    .do-accordion-header .do-concert-performer {
        margin-bottom: 2px;
        line-height: 1.3;
    }
    .do-accordion-header .do-concert-separator {
        display: none;
    }
    .do-accordion-header::after {
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
        bottom: auto;
    }
    .do-main-image {
        width: 100%;
        float: none;
        margin-right: 0;
        margin-bottom: 20px;
    }
    .do-gallery img {
        width: 160px;
        height: 100px;
    }
    .do-gallery-scroll-btn {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
}