/* TOOLS INDEX */
.tools-wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tool-card {
    border: 0.5px solid var(--gray-border);
    border-radius: 10px;
    padding: 24px;
    background: #fff;
    text-decoration: none;
    color: var(--black);
    display: block;
    transition: border-color 0.2s, transform 0.2s;
}

.tool-card:hover {
    border-color: var(--green);
    transform: translateY(-2px);
}

.tool-card h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* TOOL PAGE */
.tool-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

.tool-privacy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    color: var(--green);
    background: var(--green-light);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 28px;
}

.drop-zone {
    border: 1.5px dashed var(--gray-border);
    border-radius: 10px;
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    margin-bottom: 16px;
}

.drop-zone.active {
    border-color: var(--green);
    background: var(--green-light);
}

.drop-zone-icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.drop-zone p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.drop-zone-or {
    font-size: 11px;
    color: var(--text-light);
    margin: 8px 0 12px;
}

.file-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.file-list-empty {
    text-align: center;
    padding: 20px;
    font-size: 13px;
    color: var(--text-light);
    border: 0.5px dashed var(--gray-border);
    border-radius: 8px;
    margin-bottom: 16px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 0.5px solid var(--gray-border);
    border-radius: 8px;
    background: #fff;
    user-select: none;
}

.file-item.dragging {
    opacity: 0.4;
}

.file-item.drag-target {
    border-color: var(--green);
    background: var(--green-light);
}

.file-handle {
    color: var(--text-light);
    cursor: grab;
    font-size: 16px;
    flex-shrink: 0;
}

.file-item-name {
    flex: 1;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    font-size: 11px;
    color: var(--text-light);
    font-family: 'DM Mono', monospace;
    flex-shrink: 0;
}

.file-remove {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 0 2px;
    flex-shrink: 0;
    transition: color 0.15s;
}

.file-remove:hover {
    color: #b91c1c;
}

.tool-notice {
    display: none;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 14px;
}

.tool-notice.success {
    background: var(--green-light);
    color: var(--green-dark);
}

.tool-notice.error {
    background: #fef2f2;
    color: #b91c1c;
}

.tool-notice.warn {
    background: #fffbeb;
    color: #92400e;
}

.tool-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding-top: 4px;
}

.tool-name-input {
    flex: 1;
    min-width: 200px;
    font-size: 13px;
    font-family: 'Noto Sans JP', sans-serif;
    padding: 10px 14px;
    border-radius: 6px;
    border: 0.5px solid var(--gray-border);
    outline: none;
    transition: border-color 0.2s;
}

.tool-name-input:focus {
    border-color: var(--green);
}

.merge-progress {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
    margin-bottom: 6px;
    display: none;
}

.split-modes {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.split-mode {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px 16px;
    border: 0.5px solid var(--gray-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.split-mode:has(input[type="radio"]:checked) {
    border-color: var(--green);
    background: var(--green-light);
}

.split-mode input[type="radio"] {
    margin-top: 4px;
    flex-shrink: 0;
    accent-color: var(--green);
}

.split-mode-body {
    flex: 1;
    min-width: 0;
}

.split-mode-title {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 2px;
}

.split-mode-hint {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-top: 6px;
}

/* オプショングリッド（画像→PDFなど用） */
.opt-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.opt-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.opt-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.opt-row select.tool-name-input {
    min-width: 0;
    width: 100%;
    padding: 9px 12px;
    background: #fff;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%23666' d='M0 0l5 6 5-6z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 30px;
}

/* ファイルリスト内のサムネイル */
.img-thumb {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
    border: 0.5px solid var(--gray-border);
}

.saved-section {
    border: 0.5px solid var(--gray-border);
    border-radius: 10px;
    overflow: hidden;
    display: none;
}

.saved-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    background: var(--gray);
    border-bottom: 0.5px solid var(--gray-border);
    font-size: 13px;
    font-weight: 500;
}

.saved-list {
    display: flex;
    flex-direction: column;
}

.saved-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    border-bottom: 0.5px solid var(--gray-border);
}

.saved-item:last-child {
    border-bottom: none;
}

.saved-item-name {
    flex: 1;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saved-item-size {
    font-size: 11px;
    color: var(--text-light);
    font-family: 'DM Mono', monospace;
    flex-shrink: 0;
}

.btn-download {
    font-size: 12px;
    font-family: 'Noto Sans JP', sans-serif;
    padding: 6px 14px;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s;
}

.btn-download:hover {
    background: var(--green-dark);
}

.btn-preview {
    font-size: 12px;
    font-family: 'Noto Sans JP', sans-serif;
    padding: 6px 14px;
    background: #fff;
    color: var(--text-muted);
    border: 0.5px solid var(--gray-border);
    border-radius: 5px;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.2s, color 0.2s;
}

.btn-preview:hover {
    border-color: var(--green);
    color: var(--green);
}

.saved-del {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 0 2px;
    flex-shrink: 0;
    transition: color 0.15s;
}

.saved-del:hover {
    color: #b91c1c;
}

.saved-footer {
    padding: 12px 18px;
    background: var(--gray);
    border-top: 0.5px solid var(--gray-border);
    display: flex;
    justify-content: flex-end;
}

/* PDF プレビューモーダル */
.pdf-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.pdf-modal {
    background: #fff;
    border-radius: 10px;
    width: 100%;
    max-width: 900px;
    height: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pdf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 0.5px solid var(--gray-border);
    background: var(--gray);
    flex-shrink: 0;
}

.pdf-modal-title {
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: 12px;
}

.pdf-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 4px;
    flex-shrink: 0;
    transition: color 0.15s;
}

.pdf-modal-close:hover {
    color: var(--black);
}

.pdf-modal-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: var(--gray);
}

@media (max-width: 768px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }

    .tool-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .tool-name-input {
        width: 100%;
    }

    .opt-grid {
        grid-template-columns: 1fr;
    }

    .pdf-modal-overlay {
        padding: 0;
    }

    .pdf-modal {
        max-height: 100vh;
        border-radius: 0;
    }
}