:root {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-hover: #1E40AF;
    --border-color: #334155;
    --border-light: #475569;
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-primary: #3B82F6;
    --accent-secondary: #06B6D4;
    --accent-highlight: #FBBF24;
    --accent-success: #10B981;
    --accent-error: #EF4444;
    --accent-warning: #F59E0B;
    --gerber-bg: #0a0f1a;
    --gerber-grid: #1a2332;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* 顶部导航 */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding: 0 16px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    gap: 16px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-primary);
    white-space: nowrap;
}

.logo svg {
    color: var(--accent-secondary);
}

.nav-divider {
    color: var(--border-light);
    font-weight: 300;
    flex-shrink: 0;
}

.nav-title {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    font-size: 12px;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
    overflow: visible;
}

.nav-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-color: var(--border-light);
}

.nav-btn:active {
    transform: translateY(1px);
}

/* 上传区域 */
.upload-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 60px 40px;
    flex: 1;
    background: radial-gradient(ellipse at center top, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
}

.upload-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 4px;
}

.file-info {
    margin-top: 12px;
    font-size: 12px;
    color: var(--accent-success);
    word-break: break-all;
}

/* 下载模板按钮 */
.download-template-btn {
    margin-top: 12px;
    padding: 6px 16px;
    font-size: 12px;
    color: var(--accent-primary);
    background: transparent;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.download-template-btn:hover {
    background: var(--accent-primary);
    color: #fff;
}

/* 打开工作区区域 */
.open-workspace-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 32px;
    margin-top: 24px;
}

.open-hint {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.open-workspace-btn {
    padding: 14px 48px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-success) 0%, #059669 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.open-workspace-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.upload-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 280px;
    height: 320px;
    padding: 32px 24px;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    text-align: center;
}

.upload-card:hover {
    border-color: var(--accent-primary);
    background-color: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.upload-card.dragover {
    border-color: var(--accent-secondary);
    background-color: rgba(6, 182, 212, 0.08);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.upload-icon {
    color: var(--accent-primary);
    margin-bottom: 20px;
    opacity: 0.8;
}

.upload-card:hover .upload-icon {
    opacity: 1;
}

.upload-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 8px !important;
}

.file-info {
    margin-top: 16px;
    padding: 10px 14px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--accent-success);
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 工作区 */
.workspace {
    display: grid;
    grid-template-columns: 1fr 700px 400px;
    grid-template-rows: 1fr;
    grid-template-areas:
        "gerber bom coord";
    flex: 1;
    overflow: hidden;
    gap: 1px;
    background-color: var(--border-color);
}

.gerber-panel {
    grid-area: gerber;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.coord-panel {
    grid-area: coord;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    overflow: hidden;
    transition: all var(--transition-normal);
    min-width: 350px;
}

.coord-panel.collapsed {
    width: 40px;
}

.bom-panel {
    grid-area: bom;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    overflow: hidden;
    transition: all var(--transition-normal);
    min-width: 500px;
}

.bom-panel.collapsed {
    height: 40px;
}

/* 面板头部 */
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    gap: 10px;
    min-height: 42px;
    overflow: visible;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--accent-primary);
    border-radius: 10px;
}

.panel-tools {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    flex: 1 1 auto;
    overflow-x: auto;
    min-width: 0;
    padding: 2px 0;
    justify-content: flex-end;
}

.panel-tools::-webkit-scrollbar {
    height: 3px;
}

.panel-tools::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 26px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.tool-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
}

.tool-btn-text {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 10px;
    height: 26px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.tool-btn-text:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
}

.tool-btn-text.active {
    color: var(--accent-primary);
    background-color: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-primary);
}

.view-mode-switch {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.view-mode-switch .tool-btn-text {
    border-radius: var(--radius-sm);
}

.zoom-level {
    min-width: 42px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    flex-shrink: 0;
    white-space: nowrap;
}

/* 图层切换按钮 */
.layer-switch {
    display: flex;
    gap: 1px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 2px;
    flex-shrink: 0;
}

.layer-btn {
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.layer-btn:hover {
    color: var(--text-primary);
}

.layer-btn.active {
    color: #fff;
    background: var(--accent-primary);
}

.separator {
    width: 1px;
    height: 18px;
    background: var(--border-color);
    margin: 0 2px;
    flex-shrink: 0;
}

.panel-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.panel-toggle:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

/* 面板主体 */
.panel-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    padding: 6px 10px;
    font-size: 13px;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--accent-primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.table-container {
    flex: 1;
    overflow: auto;
}

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-family: var(--font-mono);
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    position: sticky;
    top: 0;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    color: var(--accent-primary);
    background-color: var(--bg-hover);
}

.data-table tbody tr {
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:nth-child(even) {
    background-color: rgba(30, 41, 59, 0.5);
}

.data-table tbody tr:hover {
    background-color: var(--bg-hover);
}

.data-table tbody tr.highlighted {
    background-color: rgba(251, 191, 36, 0.15) !important;
    box-shadow: inset 3px 0 0 var(--accent-highlight);
}

.data-table tbody tr.highlighted td {
    color: var(--accent-highlight);
    font-weight: 600;
}

.data-table td {
    padding: 8px 12px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

/* Gerber 画布 */
.gerber-canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background-color: var(--gerber-bg);
    background-image:
        linear-gradient(var(--gerber-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--gerber-grid) 1px, transparent 1px);
    background-size: 50px 50px;
}

#gerber-canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
}

#gerber-canvas:active {
    cursor: grabbing;
}

.layer-control {
    position: absolute;
    top: 12px;
    left: 12px;
    min-width: 160px;
    max-height: 300px;
    background-color: rgba(30, 41, 59, 0.95);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.layer-control.collapsed {
    min-width: 80px;
    max-height: 40px;
}

.layer-header {
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.layer-control.collapsed .layer-header {
    border-bottom: none;
}

.layer-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.layer-toggle:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.layer-control.collapsed .layer-toggle svg {
    transform: rotate(180deg);
}

.layer-body {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
    transition: all var(--transition-normal);
}

.layer-control.collapsed .layer-body {
    display: none;
}

#layer-list {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.layer-item:hover {
    background-color: var(--bg-hover);
}

.layer-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.layer-item input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.layer-name {
    flex: 1;
    font-size: 12px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 状态栏 */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 32px;
    padding: 0 16px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    font-size: 12px;
}

.status-left, .status-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-label {
    color: var(--text-muted);
}

.status-value {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* 帮助弹窗 */
.help-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.help-content {
    width: 560px;
    max-height: 80vh;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.help-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.help-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.help-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.help-body h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
    margin: 16px 0 8px 0;
}

.help-body h4:first-child {
    margin-top: 0;
}

.help-body ul {
    list-style: none;
    padding-left: 0;
}

.help-body li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-body li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
}

.help-body strong {
    color: var(--text-primary);
}

.help-body pre {
    padding: 12px 16px;
    margin: 8px 0 12px 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    overflow-x: auto;
    line-height: 1.5;
}

.help-body p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* 响应式 */
@media (max-width: 1024px) {
    .workspace {
        grid-template-columns: 1fr 300px;
    }
}

@media (max-width: 768px) {
    .upload-section {
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
    }
    
    .upload-card {
        width: 100%;
        max-width: 320px;
        height: 260px;
    }
    
    .workspace {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        grid-template-areas:
            "gerber"
            "coord"
            "bom";
    }
    
    .gerber-panel {
        min-height: 300px;
    }
    
    .coord-panel, .bom-panel {
        height: 250px;
    }
    
    .nav-title {
        display: none;
    }
}

/* 动画 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.image-view-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1a2e;
    overflow: hidden;
}

#image-canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
}

#image-canvas:active {
    cursor: grabbing;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--text-muted);
    gap: 16px;
}

.image-placeholder svg {
    width: 64px;
    height: 64px;
    opacity: 0.5;
}

.image-placeholder p {
    font-size: 14px;
}

.image-upload-btn {
    padding: 10px 24px;
    font-size: 13px;
    color: var(--accent-primary);
    background: transparent;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.image-upload-btn:hover {
    background: var(--accent-primary);
    color: #fff;
}

.image-align-toggle-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 12px;
    color: var(--text-primary);
    background-color: rgba(30, 41, 59, 0.95);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.image-align-toggle-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.image-align-panel {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 240px;
    background-color: rgba(30, 41, 59, 0.98);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    z-index: 20;
    overflow: hidden;
}

.align-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.align-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color var(--transition-fast);
}

.align-close-btn:hover {
    color: var(--text-primary);
}

.align-panel-body {
    padding: 14px;
}

.align-control {
    margin-bottom: 14px;
}

.align-control:last-of-type {
    margin-bottom: 12px;
}

.align-control label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-row input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 2px;
    outline: none;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider-row input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-value {
    min-width: 45px;
    text-align: right;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.align-buttons {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.align-btn {
    flex: 1;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.align-btn:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.align-btn.toggle.active {
    background-color: var(--accent-success);
    border-color: var(--accent-success);
    color: #fff;
}

/* === 自动对齐标定面板 === */
.auto-align-panel {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 280px;
    background-color: rgba(30, 41, 59, 0.98);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    z-index: 25;
    overflow: hidden;
}

.auto-align-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.auto-align-body {
    padding: 12px 14px;
}

.auto-align-tip {
    font-size: 11px;
    color: var(--text-secondary);
    margin: 0 0 10px;
    line-height: 1.5;
}

.calibrate-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.calibrate-dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    color: #fff;
    font-size: 11px;
    font-weight: bold;
    flex-shrink: 0;
}

.calibrate-select {
    flex: 1;
    padding: 4px 6px;
    font-size: 12px;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.calibrate-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.auto-align-actions {
    margin-top: 10px;
}

.auto-align-actions .align-btn {
    width: 100%;
    background-color: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.auto-align-actions .align-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.back-btn {
    width: auto !important;
    padding: 0 12px !important;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    height: 26px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.back-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.image-list {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    width: 100%;
}

.image-list-title {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-align: left;
}

.image-list-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.image-list-item {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.image-list-item:hover {
    border-color: var(--accent-primary);
}

.image-list-item.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.image-list-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-list-item .remove-btn {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    background: var(--accent-danger);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    line-height: 16px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.image-list-item:hover .remove-btn {
    opacity: 1;
}

.image-tabs {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background-color: rgba(30, 41, 59, 0.95);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 8px;
    gap: 4px;
    overflow-x: auto;
    z-index: 5;
    backdrop-filter: blur(10px);
}

.image-tabs::-webkit-scrollbar {
    height: 3px;
}

.image-tabs::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.image-tabs-scroll {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.image-tab {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    max-width: 150px;
}

.image-tab:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.image-tab.active {
    color: #fff;
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.image-tab-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-tab-close {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
    line-height: 1;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.image-tab-close:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.2);
}