body, html {
    margin: 0; padding: 0; height: 100%;
    font-family: sans-serif; background-color: #f0f0f0;
}
.main-container { display: flex; height: 100vh; }

.character-add-section {
    flex: 1; position: fixed; top: 0; left: 0; width: 25%; height: 100%;
    border-right: 1px solid #ccc; display: flex; justify-content: center;
    align-items: center; padding: 10px 0; box-sizing: border-box;
    transition: background-color 0.2s;
}
.content-wrapper {
    display: flex; flex-direction: column; align-items: center;
    width: 100%; height: 100%; overflow-y: auto;
}

.preview-indicator {
    width: 90%;
    padding: 8px;
    margin-bottom: 5px;
    background-color: #fffde7;
    border: 1px solid #ffc107;
    border-radius: 4px;
    text-align: center;
}
.preview-indicator p {
    margin: 0 0 5px 0;
    font-weight: bold;
    font-size: 14px;
    color: #856404;
}
#exit-preview-button {
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
}
#square-wrapper {
    width: 80%;
    margin-bottom: 10px;
    cursor: grab;
}
#square-wrapper:active { cursor: grabbing; }
.dragging { opacity: 0.5; }
.image-preview-square {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background-color: #fff;
    border-width: 5px;
    border-style: solid;
    box-sizing: border-box;
    border-radius: 2px;
    overflow: hidden;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.image-preview-square img {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%; min-height: 100%; width: auto; height: auto;
    object-fit: cover; pointer-events: none;
}
.border-main { border-color: red; } .border-sub2 { border-color: blue; }
.border-sub3 { border-color: gold; } .border-sub4 { border-color: green; }

.button-container {
    display: flex; justify-content: center; gap: 10px;
    width: 90%; margin: 10px 0;
}
.action-button {
    padding: 8px 15px; border-radius: 5px; cursor: pointer; border: none;
    color: white; text-align: center; background-color: #007bff; font-size: 14px;
}
.action-button:hover { background-color: #0056b3; }
.green-button { background-color: #28a745; }
.green-button:hover { background-color: #218838; }
.section-label {
    font-size: 14px; font-weight: bold; color: #555;
    margin: 8px 0 2px 0; text-align: left; width: 90%;
}
.dropdown-menu { width: 90%; padding: 6px; margin-bottom: 5px; border: 1px solid #ccc; border-radius: 4px; }
.reset-button { width: 90%; padding: 8px; background-color: #6c757d; color: white; border: none;
    border-radius: 5px; cursor: pointer; margin-top: 10px; }
.reset-button:hover { background-color: #5a6268; }

.dropdown-menu:disabled {
    color: #212529;
    background-color: #e9ecef;
    opacity: 1;
    -webkit-text-fill-color: #212529;
    cursor: not-allowed;
}

.right-section {
    flex: 3; margin-left: 25%; padding: 20px; box-sizing: border-box;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s;
}
.active-section { background-color: #e9e9e9; }

.table-container {
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
}

.table-actions {
    margin-bottom: 10px;
    display: flex;
    gap: 10px;
}
.io-button {
    padding: 6px 12px;
    font-size: 14px;
    border-radius: 4px;
    border: 1px solid #6c757d;
    background-color: white;
    cursor: pointer;
}
.io-button:hover {
    background-color: #f8f9fa;
}

.table-container table {
    width: 100%;
    flex-grow: 1;
    border-collapse: collapse; table-layout: fixed;
}
.label-col { width: 120px; }
.data-col { width: auto; }
.table-container th, .table-container td {
    border: 1px solid #ccc; text-align: center; vertical-align: middle;
}
.table-container th { background-color: #f2f2f2; font-weight: bold; }

.drop-target-cell, .editable-cell  {
    padding: 0;
    position: relative;
}
.drop-target {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; padding: 2px; box-sizing: border-box;
    display: flex; align-items: center; gap: 2px;
    justify-content: center;
}

.drop-target.drag-over, #square-wrapper.drag-over { background-color: #e0f7fa; }
.dropped-square {
    position: relative; border-width: 3px; border-style: solid;
    box-sizing: border-box; border-radius: 2px; background-size: cover;
    background-repeat: no-repeat; background-position: center; cursor: grab;
    flex-shrink: 0;
}
.dropped-square:active { cursor: grabbing; }

.editable-content {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    padding: 4px;
    box-sizing: border-box;
    overflow-y: auto;
    text-align: left;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 14px;
}
.editable-content:focus {
    background-color: #fffde7;
    outline: none;
}

.text-input {
    width: 90%;
    padding: 6px 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 14px;
}

.tooltip {
    position: fixed;
    display: none;
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid #555;
    font-size: 14px;
    z-index: 1000;
    max-width: 250px;
    pointer-events: none;
    line-height: 1.6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tooltip-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #444;
}

.tooltip-section h4 {
    margin: 0 0 5px 0;
    font-size: 13px;
    color: #aaa;
    font-weight: normal;
}

.tooltip-section ul {
    margin: 0;
    padding: 0 0 0 18px;
    list-style-type: "・";
}

.tooltip-section li {
    padding-left: 5px;
}