/* ===== File: style.css (差し替え用・最終修正版) ===== */
:root {
    --primary-color: #457b9d;
    --primary-dark: #1d3557;
    --secondary-color: #a8dadc;
    --light-color: #f1faee;
    --danger-color: #e63946;
    --warning-color: #fca311;
    --bg-color: #f0f2f5;
    --text-color: #333;
    --border-color: #ddd;
    --card-bg: #fff;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 2em;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1,
h2 {
    color: var(--primary-dark);
}

h1 {
    text-align: center;
    margin-bottom: 1.5em;
}

.card {
    background-color: var(--card-bg);
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 2em;
}

.form-group {
    margin-bottom: 1em;
}

.form-group small {
    font-size: 0.8em;
    color: #666;
}

input[type="text"],
input[type="search"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.8em;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: var(--font-family);
    font-size: 1em;
    line-height: 1.6;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

select[multiple] {
    min-height: 120px;
    padding: 0.5em;
}

select[multiple] option {
    padding: 0.25em 0.5em;
    margin: 0.1em 0;
}

button,
.upload-label {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8em 1.5em;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: background-color 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    white-space: nowrap;
}

button:hover,
.upload-label:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

.danger-btn {
    background-color: var(--danger-color);
}

.danger-btn:hover {
    background-color: #c01e2b;
}

.danger-btn-small {
    font-size: 0.75em;
    padding: 0.35em 0.75em;
    font-weight: 400;
}

#loading {
    text-align: center;
}

.spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1em;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#status-message {
    padding: 1em 1.5em;
    border-radius: 6px;
    margin-bottom: 1em;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 80%;
    text-align: center;
}

#status-message.success {
    background-color: #d4edda;
    color: #155724;
}

#status-message.error {
    background-color: #f8d7da;
    color: #721c24;
}

.main-controls {
    display: flex;
    align-items: flex-end;
    margin-bottom: 1em;
    gap: 1em;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5em;
    margin-top: 0.75em;
    font-size: 0.95em;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
    margin: 0;
}

#step1 .main-controls {
    justify-content: space-between;
}

.main-controls .form-group {
    flex-grow: 1;
}

.editor-top-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1em;
    flex-wrap: wrap;
    margin-bottom: 1.5em;
}

.editor-top-controls .form-group {
    flex-grow: 1;
    margin-bottom: 0;
}

.editor-top-controls .button-group {
    display: flex;
    gap: 1em;
    flex-shrink: 0;
}

.editor-panel {
    background-color: var(--card-bg);
    padding: 1.5em;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.slide-item {
    display: flex;
    align-items: flex-start;
    gap: 1em;
    padding: 1em;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 1em;
    background-color: #fff;
    position: relative;
}

.slide-drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    cursor: grab;
    color: #aaa;
    flex-shrink: 0;
    padding-top: 10px;
}

.slide-main-panel {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.slide-item-content {
    display: flex;
    align-items: stretch;
    gap: 1em;
    flex-grow: 1;
}

.slide-dropzone {
    width: 240px;
    height: 135px;
    flex-shrink: 0;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    transition: opacity 0.3s;
}

.media-placeholder {
    width: 100%;
    height: 100%;
    border: 2px dashed var(--border-color);
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-placeholder.no-asset-found {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-color: #7f8c8d;
}

.no-asset-message {
    text-align: center;
    color: #ecf0f1;
}

.no-asset-message svg {
    margin-bottom: 16px;
    opacity: 0.6;
}

.no-asset-message p {
    margin: 8px 0;
    font-size: 14px;
}

.no-asset-message strong {
    font-size: 18px;
    color: #e74c3c;
}

.add-media-btn {
    font-size: 0.9em;
    padding: 0.5em 1em;
}

.slide-dropzone .media-item-preview {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide-dropzone .media-item-preview img,
.slide-dropzone .media-item-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-media-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    line-height: 18px;
    text-align: center;
    padding: 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

.slide-narration {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slide-narration textarea {
    width: 100%;
    flex-grow: 1;
    min-height: 80px;
    resize: none;
}

.delete-slide-btn {
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 1.5em;
    padding: 0 0.5em;
    transition: color 0.2s;
    flex-shrink: 0;
}

.delete-slide-btn:hover {
    color: var(--danger-color);
}

.storyboard-actions {
    margin-top: 1em;
    text-align: center;
}

#add-slide-btn {
    background-color: #fff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

#add-slide-btn:hover {
    background-color: var(--light-color);
}

.ai-prompt-area {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.ai-image-prompt {
    flex-grow: 1;
    padding: 0.6em;
    font-size: 0.9em;
    min-width: 150px;
}

.ai-image-style {
    padding: 0.6em;
    font-size: 0.9em;
    min-width: 100px;
}

.generate-ai-image-btn {
    flex-shrink: 0;
    padding: 0.6em 1em;
    font-size: 0.9em;
}

.candidate-list-container {
    padding-top: 10px;
    border-top: 1px solid #eee;
    margin-top: 10px;
}

.candidate-list-container p {
    font-size: 0.8em;
    color: #666;
    margin: 0 0 8px 0;
}

.candidate-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    min-height: 54px;
}

.candidate-item {
    width: 96px;
    height: 54px;
    flex-shrink: 0;
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.candidate-item:hover {
    border-color: var(--primary-color);
}

.candidate-item img,
.candidate-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.replicate-link {
    font-size: 0.8em;
    margin-left: 8px;
    white-space: nowrap;
}

#video-result video {
    width: 100%;
    border-radius: 4px;
    background: #000;
}

#video-result a {
    display: block;
    margin-top: 1em;
    font-weight: 500;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.asset-manager-container {
    width: 90vw;
    height: 90vh;
    max-width: 1400px;
    background: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    overflow: hidden;
    position: relative;
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 15px;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    line-height: 1;
    background: none;
    border: none;
    padding: 0;
    z-index: 3000;
}

.modal-close-btn:hover {
    color: #333;
}

.asset-manager-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5em 0;
}

.asset-manager-sidebar h3 {
    margin: 0;
    padding: 0 1.5em 0.5em;
    font-size: 1.1em;
    border-bottom: 1px solid var(--border-color);
}

#category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    overflow-y: auto;
}

#category-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8em 1.5em;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
    min-height: 2.2em;
}

#category-list li:hover {
    background-color: var(--light-color);
}

#category-list li.active {
    background-color: var(--secondary-color);
    font-weight: bold;
}

.category-name {
    flex-grow: 1;
    word-break: break-all;
}

.category-actions-buttons {
    display: none;
    gap: 8px;
    margin-left: 1em;
}

#category-list li:hover .category-actions-buttons {
    display: flex;
}

.category-action-btn {
    background: none;
    border: none;
    padding: 2px;
    cursor: pointer;
    color: #888;
}

.category-action-btn:hover {
    color: var(--primary-color);
}

.category-action-btn.delete:hover {
    color: var(--danger-color);
}

.category-edit-form {
    display: flex;
    gap: 5px;
    width: 100%;
}

.category-edit-form input {
    font-size: 0.9em;
    padding: 0.4em;
}

.category-edit-form button {
    font-size: 0.8em;
    padding: 0.4em 0.6em;
    min-width: 40px;
}

.category-actions {
    padding: 1em 1.5em 0;
    border-top: 1px solid var(--border-color);
}

.category-actions input {
    margin-bottom: 0.5em;
}

.category-actions button {
    width: 100%;
    padding: 0.6em;
    font-size: 0.9em;
}

.asset-manager-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.asset-manager-header {
    padding: 1em 1.5em;
    border-bottom: 1px solid var(--border-color);
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 1em;
}

.search-filter-bar,
.asset-manager-tools {
    display: flex;
    align-items: center;
    gap: 1em;
    flex-wrap: wrap;
}

#asset-search-input {
    width: auto;
    flex-grow: 1;
    min-width: 250px;
}

.filter-group {
    display: flex;
    gap: 1em;
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: 0.3em;
    cursor: pointer;
}

.asset-manager-tools {
    justify-content: flex-start;
}

.asset-manager-tools select,
.asset-manager-tools button {
    font-size: 0.9em;
    padding: 0.6em 1.2em;
}

#cleanup-library-btn {
    background-color: var(--warning-color);
}

#cleanup-library-btn:hover {
    background-color: #d18309;
}

#asset-gallery-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5em;
}

.asset-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1em;
}

.asset-item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    background-color: #000;
    outline: 3px solid transparent;
    transition: outline-color 0.2s;
}

.asset-item.selected {
    outline-color: var(--primary-color);
}

.asset-item img,
.asset-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.asset-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 40%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.asset-item:hover .asset-item-overlay {
    opacity: 1;
}

.asset-item-details {
    position: absolute;
    bottom: 8px;
    left: 8px;
    right: 8px;
    color: white;
    font-size: 11px;
    pointer-events: none;
}

.tags-display-container {
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

.tags-display {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    pointer-events: all;
}

.edit-tags-btn {
    background: none;
    border: none;
    color: #ccc;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.2s;
    flex-shrink: 0;
    pointer-events: all;
}

.asset-item:hover .edit-tags-btn {
    opacity: 0.7;
}

.edit-tags-btn:hover {
    opacity: 1;
    color: #fff;
}

.tags-edit-form {
    display: none;
    width: 100%;
    align-items: center;
    gap: 4px;
    pointer-events: all;
}

.tags-edit-input {
    flex-grow: 1;
    min-width: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: 1px solid #888;
    border-radius: 3px;
    padding: 4px 6px;
    font-size: 13px;
    font-family: var(--font-family);
}

.tags-edit-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 3px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    flex-shrink: 0;
}

.tags-edit-form button.tags-cancel-btn {
    background-color: #888;
}

.asset-item-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    z-index: 1;
    cursor: pointer;
}

.asset-item-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 1;
    display: none;
    gap: 5px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    padding: 3px;
}

.asset-item:hover .asset-item-actions {
    display: flex;
}

.preview-btn,
.generate-tags-btn {
    background: none;
    border: none;
    color: white;
    padding: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.preview-btn:hover,
.generate-tags-btn:hover {
    color: var(--secondary-color);
}

.generate-tags-btn:disabled {
    cursor: not-allowed;
    color: #888;
}

.action-spinner {
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top: 2px solid #fff;
    border-radius: 50%;
    width: 14px;
    height: 14px;
    animation: spin 0.8s linear infinite;
}

.asset-manager-footer {
    padding: 0.75em 1.5em;
    border-top: 1px solid var(--border-color);
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

#selection-info {
    color: #555;
    font-size: 0.9em;
    white-space: nowrap;
}

.footer-buttons button {
    font-size: 0.9em;
}

#preview-content-wrapper {
    max-width: 90vw;
    max-height: 90vh;
}

#preview-content-wrapper img,
#preview-content-wrapper video {
    max-width: 100%;
    max-height: 90vh;
    display: block;
    border-radius: 4px;
}

.sortable-ghost {
    opacity: 0.4;
}

.overlay-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    background-color: #f7f7f7;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

.overlay-controls input[type="text"] {
    flex-grow: 1;
    font-size: 0.9em;
    padding: 0.6em;
}

.overlay-controls select {
    font-size: 0.9em;
    padding: 0.6em;
    flex-basis: 120px;
}

.overlay-controls input[type="number"] {
    width: 70px;
    font-size: 0.9em;
    padding: 0.6em;
}

.overlay-controls input[type="color"] {
    width: 40px;
    height: 35px;
    padding: 2px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.input-error {
    border: 1px solid var(--danger-color) !important;
    background-color: #fff0f1;
}

.slide-options {
    padding: 8px 0 0 0;
    font-size: 0.9em;
    color: #555;
}

.slide-options label {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.slide-dropzone.is-linked {
    opacity: 0.6;
    outline: 2px solid var(--primary-color);
}

.slide-dropzone.is-linked .remove-media-btn,
.slide-dropzone.is-linked .add-media-btn {
    pointer-events: none;
    cursor: not-allowed;
}