/* Base Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: "Segoe UI", "Hiragino Sans", "Meiryo", sans-serif;
    background: #1e1e1e; color: #e0e0e0;
    overflow: hidden; height: 100vh; display: flex; flex-direction: column;
}

/* Toolbar */
.wrapper { display: flex; flex-direction: column; height: 100vh; width: 100%; }
.toolbar {
    display: flex; justify-content: space-between; align-items: center;
    background: #2d2d2d; border-bottom: 1px solid #3c3c3c;
    padding: 8px 16px; flex-shrink: 0; z-index: 100;
}
.file-label {
    background: #007acc; color: white; padding: 6px 12px; border-radius: 3px;
    cursor: pointer; font-size: 13px; user-select: none;
}
.file-label:hover { background: #005fa3; }
.controls button {
    background: #3e3e3e; color: #eee; border: 1px solid #555;
    padding: 4px 10px; border-radius: 3px; cursor: pointer; font-size: 14px;
}
.controls button:disabled { opacity: 0.5; cursor: default; }
.export-btn { background: #1b7a3d !important; }
.export-btn:hover:not(:disabled) { background: #15612f !important; }

/* Viewer Container */
.slides-container {
    flex: 1; overflow: auto; background: #121212;
    display: flex; justify-content: center; align-items: center;
    position: relative; padding: 40px;
}
#slides-viewport {
    transform-origin: center center; transition: transform 0.1s;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
}
.slide-frame {
    position: relative; overflow: visible; background: white;
}

/* Elements */
.shape {
    position: absolute; overflow: visible;
    display: flex; flex-direction: column;
}
.shape-content {
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
}
.para {
    display: block; margin: 0; min-height: 1.2em; line-height: 1.25;
    white-space: pre-wrap; word-break: break-word; position: relative;
}

/* Table Styles */
.ppt-table {
    width: 100%; height: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}
.ppt-td {
    padding: 4px;
    overflow: hidden;
    word-wrap: break-word;
    border: 1px solid rgba(255,255,255,0.2);
    vertical-align: top;
}

img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; }

#loading {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    color: #fff; font-size: 1.2rem; display: none; background: rgba(0,0,0,0.8);
    padding: 15px 25px; border-radius: 8px; z-index: 999;
}

/* Supplementary SmartArt/Chart Text Area */
.supplementary-area {
    background: #2d2d2d; border: 1px solid #555;
    margin-top: 10px; padding: 10px; border-radius: 4px;
}
.supplementary-title {
    font-weight: bold; color: #fff; margin-bottom: 8px; font-size: 14px;
}
.supplementary-source {
    color: #007acc; font-size: 12px; margin-top: 4px;
}
.supplementary-text {
    color: #e0e0e0; font-size: 12px; padding: 2px 0 2px 10px;
}