/* --- SLIDESHOW CORE OVERLAY & WINDOW SHELL --- */

.slideshow-overlay {
  position: fixed; 
  inset: 0; 
  z-index: 30000;
  background: var(--primary-color);
  display: flex; 
  flex-direction: column;
  justify-content: flex-start; 
  align-items: center;
  overflow-y: auto; 
  padding: 4vh 4vw; 
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

:root[data-ss-transparency="true"] .slideshow-overlay {
  background-color: rgba(var(--primary-color-rgb), 0.2);
}

:root[data-ss-transparency="false"] .slideshow-overlay {
  background-color: var(--primary-color);
}

/* Header */
.slideshow-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2vh 2vw;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    pointer-events: none; 
    z-index: 30001;
}

/* Header Info Button */
.slideshow-info-button {
    pointer-events: auto;
    margin-right: 8px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.6);
    background: rgba(0,0,0,0.4);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.slideshow-info-button:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(0,0,0,0.6);
}
[data-theme^="light"] .slideshow-info-button {
    background: rgba(255,255,255,0.9);
    color: #000000;
    border-color: rgba(0,0,0,0.3);
}

.slideshow-close-button { display: none !important; }

/* Theme Toggle */
.slideshow-theme-toggle { 
    position: absolute; 
    top: 2vh; 
    right: 2vw; 
    width: 56px; 
    height: 56px;
    border-radius: 50%; 
    background: var(--primary-color); 
    color: var(--text-color); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    pointer-events: auto; 
}

.slideshow-theme-toggle:hover {
    box-shadow: 0 0 15px var(--lighter-primary-color);
    transform: scale(1.1);
    opacity: 0.5;
}

[data-theme^="light"] .slideshow-theme-toggle:hover {
    background: var(--primary-color) !important;
}

/* Main Description Window */
.slideshow-description-container {
    width: 90%;
    max-width: 1560px;
    background-color: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    padding: 30px; 
    margin-top: 0; 
    padding-bottom: 120px; 
    color: #fff !important; 
    flex-shrink: 0;
    position: relative;
}

:root[data-ss-transparency="true"] .slideshow-description-container { background-color: rgba(20, 20, 20, 0.2); }
:root[data-ss-transparency="false"] .slideshow-description-container { background-color: rgba(20, 20, 20, 1); }

.slideshow-description-container.single-item-mode { margin-top: 0 !important; }

/* Desktop Background Tweaks */
@media (min-width: 769px) {
  :root[data-bg-desktop-hidden="false"] .slideshow-overlay {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
}

@media (max-width: 768px) {
    .slideshow-description-container {
        width: min(100%, 500px);
        margin: 60px auto 0 auto;
        padding: 15px;
        padding-bottom: 0;
    }
    .slideshow-description-container.single-item-mode {
        margin-top: 0 !important;
        padding-top: 15px;
    }
    .slideshow-theme-toggle { width: 30px; height: 30px; }
}