/* Image tools page layout */
.tools-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px 40px;
    min-height: calc(100vh - 120px);
}

.tools-page-header {
    text-align: center;
    margin-bottom: 28px;
}

.tools-page-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.tools-page-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.tools-workspace {
    display: flex;
    gap: 20px;
    align-items: stretch;
}

.tools-preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-align: center;
    width: 100%;
    height: 100%;
}

.tools-workspace.has-image .tools-preview-placeholder {
    display: none;
}

.tools-preview-placeholder i {
    font-size: 64px;
    color: var(--border-color-hover);
    margin-bottom: 20px;
}

.tools-preview-placeholder .btn-sample {
    margin-top: 20px;
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.tools-preview-placeholder .btn-sample:hover {
    background: var(--accent-color);
    color: #fff;
}

/* 当没有图片时，禁用侧边栏的操作按钮 */
.tools-workspace:not(.has-image) .tools-panel .btn-sm,
.tools-workspace:not(.has-image) .tools-panel input,
.tools-workspace:not(.has-image) .tools-panel select {
    opacity: 0.6;
    pointer-events: none;
    filter: grayscale(1);
}

.tools-workspace:not(.has-image) .tools-action-bar {
    opacity: 0.5;
    pointer-events: none;
}

.tools-preview-wrap canvas:not([width]), 
.tools-preview-wrap canvas[width="0"] {
    display: none;
}

.tools-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-main);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.tools-tabs {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    padding: 8px 8px 0;
    gap: 4px;
}

.tools-tab {
    flex: 1 1 45%;
    min-width: 60px;
    padding: 10px 8px;
    font-size: 13px;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    transition: all 0.2s;
}

.tools-tab:hover {
    color: var(--accent-color);
    background: rgba(255, 190, 88, 0.08);
}

.tools-tab.active {
    color: var(--accent-color);
    font-weight: 600;
    background: rgba(255, 190, 88, 0.12);
}

.tools-panel {
    display: none;
    padding: 20px 16px;
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 220px);
}

.tools-panel.active {
    display: block;
}

.tools-panel label {
    display: block;
    font-size: 13px;
    color: var(--text-main);
    margin-bottom: 6px;
    margin-top: 12px;
}

.tools-panel label:first-child {
    margin-top: 0;
}

.tools-panel input[type="text"],
.tools-panel input[type="number"],
.tools-panel select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    background: var(--bg-input);
    color: var(--text-main);
}

.tools-panel input[type="range"] {
    width: 100%;
    margin: 8px 0;
}

.tools-panel .range-value {
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
}

.tools-panel .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.tools-panel .btn-sm {
    padding: 8px 14px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-body);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.tools-panel .btn-sm:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.tools-panel .btn-sm.primary {
    background: #5b7cfa;
    color: #fff;
    border-color: #5b7cfa;
}

.tools-panel .btn-sm.primary:hover {
    background: #4a6ae8;
}

.tools-panel .preset-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.tools-panel .checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 13px;
    color: #555;
}

.tools-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.tools-preview-wrap {
    flex: 1;
    background: #f0f2f5;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    max-height: calc(100vh - 200px);
    overflow: hidden;
    position: relative;
}

.tools-preview-wrap canvas {
    max-width: 100%;
    max-height: calc(100vh - 220px);
    display: block;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tools-crop-container {
    width: 100%;
    height: 100%;
    max-height: calc(100vh - 220px);
    display: none;
}

.tools-crop-container.active {
    display: block;
}

.tools-crop-container img {
    max-width: 100%;
    display: block;
}

.tools-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    padding: 16px 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.tools-file-info {
    font-size: 13px;
    color: #666;
}

.tools-file-info strong {
    color: #333;
}

.tools-action-btns {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* History buttons */
.tools-history-btns {
    display: flex;
    gap: 8px;
    background: #f8f9fa;
    padding: 4px;
    border-radius: 8px;
}

.tools-btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'ali-font' !important;
    font-size: 18px;
    color: #666;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.tools-btn-icon:hover:not(:disabled) {
    background: #e9ecef;
    color: #5b7cfa;
}

.tools-btn-icon:disabled {
    color: #ccc;
    cursor: not-allowed;
}

.tools-btn-icon.active {
    background: #5b7cfa;
    color: #fff;
}

/* Palette results */
.palette-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 15px;
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.palette-item:hover {
    background: #e9ecef;
}

.palette-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.1);
}

.palette-hex {
    font-size: 13px;
    font-family: monospace;
    color: #333;
}

/* EXIF list */
.exif-info-list {
    max-height: 300px;
    overflow-y: auto;
    background: #f8f9fa;
    padding: 12px;
    border-radius: 8px;
}

#stitchFileList {
    background: #f0f7ff;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px dashed #5b7cfa;
}

.exif-info-list ul li {
    padding: 4px 0;
    border-bottom: 1px solid #eee;
}

.exif-info-list ul li:last-child {
    border-bottom: none;
}

.btn-sm.danger {
    background: #fff;
    color: #ff4d4f;
    border-color: #ff4d4f;
}

.btn-sm.danger:hover {
    background: #ff4d4f;
    color: #fff;
}

/* Preset buttons for fit and split */
.preset-btns .btn-sm.active {
    background: #5b7cfa;
    color: #fff;
    border-color: #5b7cfa;
}

/* Mosaic cursor */
.tools-workspace.has-image #toolsPreviewCanvas {
    cursor: crosshair;
}

.tools-btn {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.tools-btn-secondary {
    background: #f0f2f5;
    color: #555;
}

.tools-btn-secondary:hover {
    background: #e2e6ea;
}

.tools-btn-primary {
    background: linear-gradient(135deg, #5b7cfa, #4a6ae8);
    color: #fff;
    box-shadow: 0 4px 15px rgba(91, 124, 250, 0.35);
}

.tools-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(91, 124, 250, 0.45);
}

.tools-btn-accent {
    background: linear-gradient(135deg, #ff6b35, #ff8c5a);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.35);
}

.tools-btn-accent:hover {
    transform: translateY(-2px);
}

.tools-upload-zone {
    border: 2px dashed rgba(91, 124, 250, 0.4);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    background: linear-gradient(135deg, rgba(91, 124, 250, 0.03), rgba(91, 124, 250, 0.01));
    cursor: pointer;
    transition: all 0.3s;
}

.tools-upload-zone:hover,
.tools-upload-zone.dragover {
    border-color: #5b7cfa;
    background: rgba(91, 124, 250, 0.08);
}

.tools-upload-zone.hidden {
    display: none;
}

.tools-upload-icon {
    font-size: 48px;
    color: #5b7cfa;
    margin-bottom: 16px;
}

.tools-upload-zone h2 {
    font-size: 20px;
    color: #333;
    margin-bottom: 8px;
}

.tools-upload-zone p {
    font-size: 14px;
    color: #888;
}

.tools-upload-input {
    display: none;
}

.tools-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
}

.tools-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
    .tools-workspace.active {
        flex-direction: column;
    }

    .tools-sidebar {
        width: 100%;
    }

    .tools-panel {
        max-height: none;
    }
}