/* 
 * YOLO - Premium UI for R2 Folder Browser
 * Focus on smooth animations, dynamic colors, and sleek user experience.
 */

:root {
    --yb-bg-primary: #ffffff;
    --yb-bg-secondary: #fdfdfd;
    --yb-text-primary: #e9bf39;
    --yb-text-secondary: #cba22e;
    --yb-accent: #e9bf39;
    --yb-accent-hover: #d4ac2b;
    --yb-border: #f0f0f0;
    --yb-radius-lg: 16px;
    --yb-radius-md: 12px;
    --yb-radius-sm: 8px;
    --yb-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 8px 15px -6px rgba(0, 0, 0, 0.05);
    --yb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Browser Container Framework */
.yolth-browser-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 30px 0;
    background-color: var(--yb-bg-primary);
    border-radius: var(--yb-radius-lg);
    overflow: hidden;
    box-shadow: var(--yb-shadow);
    color: var(--yb-text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (min-width: 900px) {
    .yolth-browser-container {
        flex-direction: column; 
        min-height: 500px;
        transition: min-height 0.5s ease; /* Smooth height transition */
    }

    /* Dynamic height for different media types */
    .yolth-browser-container.yb-viewing-video {
        min-height: 550px;
    }

    .yolth-browser-container.yb-viewing-audio {
        min-height: 400px;
    }

    .yolth-browser-container.yb-viewing-pdf {
        min-height: 850px; /* Taller viewport for A4 PDFs */
    }
}

/* Main Viewer Panel */
.yb-main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #0b0b0b; /* Maintain dark player area for focus, but container is white */
    position: relative;
    min-height: 350px;
}

.yb-media-viewer {
    flex: 1; 
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    background-color: #111; /* Consistent dark background for media */
}

.yb-viewer-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--yb-text-secondary);
    opacity: 0.7;
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.02); }
}

.yb-folder-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 15px;
    opacity: 0.8;
}

/* Media Elements */
.yb-media-viewer video,
.yb-media-viewer audio,
.yb-media-viewer iframe,
.yb-media-viewer .plyr {
    width: 100% !important;
    height: 100% !important;
    border: none;
    border-radius: 0;
}

.yb-media-viewer iframe {
    background-color: #fff; /* Native PDF viewer needs white bg */
}

/* Sidebar List Panel */
.yb-sidebar {
    width: 100%;
    background-color: var(--yb-bg-secondary);
    border-top: 2px solid var(--yb-border); /* Changed from border-left to border-top */
    display: flex;
    flex-direction: column;
}

@media (min-width: 900px) {
    .yb-sidebar {
        width: 100%; /* No longer fixed width */
    }
}

.yb-sidebar-header {
    padding: 20px;
    border-bottom: 2px solid var(--yb-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
}

.yb-sidebar-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--yb-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.yb-badge {
    background-color: var(--yb-accent);
    color: #fff;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.yb-file-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    max-height: 350px; /* Added max-height so it does not elongate infinitely */
}

/* Custom Scrollbar for sleekness */
.yb-file-list::-webkit-scrollbar {
    width: 6px;
}
.yb-file-list::-webkit-scrollbar-track {
    background: transparent;
}
.yb-file-list::-webkit-scrollbar-thumb {
    background: var(--yb-border);
    border-radius: 4px;
}
.yb-file-list::-webkit-scrollbar-thumb:hover {
    background: var(--yb-text-secondary);
}

.yb-file-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 8px;
    background-color: #ffffff;
    border-radius: var(--yb-radius-md);
    cursor: pointer;
    transition: var(--yb-transition);
    border: 1px solid var(--yb-border);
}

.yb-file-item:hover {
    background-color: #ffffff;
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(233, 191, 57, 0.15);
    border-color: var(--yb-accent);
}

.yb-file-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.yb-file-item.active .yb-icon svg {
    stroke: var(--yb-accent);
}

.yb-file-item.active .yb-filename {
    color: var(--yb-accent);
    font-weight: 600;
}

.yb-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fef9e8;
    border: 1px solid #fdf2cd;
    border-radius: var(--yb-radius-sm);
    margin-right: 12px;
    flex-shrink: 0;
}

.yb-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--yb-text-secondary);
    transition: var(--yb-transition);
}

.yb-details {
    flex: 1;
    overflow: hidden;
}

.yb-filename {
    display: block;
    font-size: 14px;
    color: #555555;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--yb-transition);
}

/* PDF Toolbar overlay for downloading */
.yb-pdf-toolbar {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    display: flex;
    gap: 10px;
    animation: fadeIn 0.4s ease forwards;
}

.yb-btn-download {
    background-color: var(--yb-accent);
    color: #ffffff !important; /* Force white text color for visibility */
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: var(--yb-transition);
    text-decoration: none;
}

.yb-btn-download:hover {
    background-color: var(--yb-accent-hover);
    transform: translateY(-2px);
    color: #fff;
}

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

/* Plyr Customizations for Yolth Theme */
.yolth-browser-container .plyr {
    height: 100%;
    width: 100%;
    border-radius: 0;
    --plyr-color-main: var(--yb-accent);
}

/* ============================================= */
/* LAYOUT: BESIDE — sidebar on the right (2 col) */
/* ============================================= */
.yolth-browser-container.yb-layout-beside {
    flex-direction: row !important;
    min-height: 500px;
}

@media (min-width: 900px) {
    .yolth-browser-container.yb-layout-beside {
        min-height: 550px;
    }
    .yolth-browser-container.yb-layout-beside.yb-viewing-pdf {
        min-height: 750px;
    }
}

.yolth-browser-container.yb-layout-beside .yb-main-panel {
    flex: 1;
}

.yolth-browser-container.yb-layout-beside .yb-sidebar {
    width: 280px;
    flex-shrink: 0;
    border-top: none;
    border-left: 2px solid var(--yb-border);
}

.yolth-browser-container.yb-layout-beside .yb-file-list {
    max-height: none;  /* Scroll naturally with the viewer height */
    overflow-y: auto;
}