:root {
    --warm:  #c084fc;
    --warm-dim: #7c3aed;
    --bg-glass: rgba(26,10,46,0.4);
    --border-glow: rgba(192,132,252,0.4);
}
body {
    background: linear-gradient(135deg, #1a0a2e, #5a0a7e);
    font-family: 'Inter', sans-serif;
    color: #f0e0d0;
    margin: 0; padding: 0;
    width: 100vw; height: 100vh;
    display: flex; justify-content: center; align-items: center;
    overflow: hidden;
}
.presentation-container {
    position: relative;
    width: 1280px; height: 720px;
    display: flex; flex-direction: column;
    box-shadow: 0 0 50px rgba(255,122,66,0.1);
}
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-glow);
    border-radius: 4px;
}
.content-area {
    flex: 1; overflow: hidden;
    padding: 10px;
}
.slide-viewport {
    width: 100%; height: 100%;
}
.slide-layout {
    display: flex; width: 100%; height: 100%;
    overflow: hidden; font-size: 1.7rem; 
}
.slide-panel {
    flex: 1 1 50%;
    overflow-y: auto; overflow-x: hidden;
    padding: 1rem 1.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.text-panel { display: flex; flex-direction: column; gap: 0.4rem; }
.text-panel p { margin: 0; word-wrap: break-word; }
.svg-panel { display: flex; align-items: center; justify-content: center; }
.svg-panel svg, .svg-panel img { max-width: 95%; max-height: 95%; object-fit: contain; }

/* Layout classes */
.layout-odd { flex-direction: row; }
.layout-odd .svg-panel { order: 1; }
.layout-odd .text-panel { order: 0; }
.layout-even { flex-direction: row; }
.layout-even .svg-panel { order: 0; }
.layout-even .text-panel { order: 1; }
.controls {
    display: flex; align-items: center;
    padding: 8px 20px; gap: 8px;
    flex-shrink: 0;
}
.btn {
    background: transparent; border: 1px solid var(--border-glow);
    color: var(--warm); padding: 6px 12px;
    border-radius: 4px; cursor: pointer;
    font-size: 0.75rem; font-family: inherit;
}
.btn:hover { background: rgba(255,122,66,0.15); }
.progress-container {
    flex: 1; height: 6px; background: rgba(255,122,66,0.2);
    border-radius: 3px; cursor: pointer; position: relative;
}
.progress-bar { height: 100%; background: var(--warm); border-radius: 3px; transition: width 0.3s; }
.slide-counter { font-size: 0.7rem; color: var(--warm); opacity: 0.7; min-width: 60px; text-align: center; }

.close-caption {
    display:none;
}

/* Teleprompter overlay — full screen caption */
.teleprompter-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    display: flex; justify-content: center; align-items: flex-end;
    pointer-events: none; z-index: 10;
    opacity: 0; transition: opacity 0.5s;
}
.teleprompter-overlay.show {
    opacity: 1;
}
.teleprompter-text {
    background: rgba(0,0,0,0.9);
    color: #fff;
    padding: 20px 32px;
    border-radius: 10px;
    font-size: 1.6rem;
    max-width: 85%;
    text-align: center;
    margin-bottom: 80px;
    overflow-y: auto;
}

/* Narrow screens */
@media (max-aspect-ratio: 1/1), (max-width: 599px) {
    .slide-layout { flex-direction: column !important; font-size: 1.4rem; }
    .slide-panel { flex: 0 1 50%; max-height: 50%; padding: 0.75rem; }
    .layout-even .svg-panel, .layout-odd .svg-panel { order: 0; }
    .layout-even .text-panel, .layout-odd .text-panel { order: 1; }
    .svg-panel svg, .svg-panel img { max-width: 85%; max-height: 85%; }
    .teleprompter-text { font-size: 1.2rem; padding: 14px 20px; max-width: 90%; }
}
@media (max-width: 360px) {
    .slide-layout { font-size: 1.2rem; }
    .slide-panel { padding: 0.5rem; }
    .teleprompter-text { font-size: 1rem; }
}
@media (prefers-color-scheme: dark) {
    .slide-layout { color: #e0e0e0; }
    .svg-panel { background: rgba(255,255,255,0.05); border-radius: 4px; }
}