.tool-fullwidth {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Tool shell */
.image-tool {
    max-width: 100%;
    margin: 0 auto;
}

.image-tool.editor-section,
.editor-section.image-tool {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.image-tool .card:not(.result-card) {
    border: 1px solid var(--color-border, #e5e7eb);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
    border-radius: var(--radius, 12px);
    background: var(--color-surface, #fff);
}

.image-tool .card-body {
    padding: 1.25rem 1.35rem;
}

.image-tool .card-title {
    color: var(--color-text, #1f2937);
    font-weight: 700;
    font-size: 1.05rem;
}

.image-tool .form-control,
.image-tool .form-select,
.image-tool .select-input,
.image-tool textarea {
    border-radius: 8px;
    border: 1px solid var(--color-border, #e5e7eb);
}

.image-tool .form-control:focus,
.image-tool .form-select:focus,
.image-tool textarea:focus {
    border-color: var(--color-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.image-tool .btn-primary {
    background: var(--color-primary, #0d9488);
    border-color: var(--color-primary, #0d9488);
}

.image-tool .btn-primary:hover {
    background: var(--color-primary-hover, #0f766e);
    border-color: var(--color-primary-hover, #0f766e);
}

.image-tool .alert {
    border-radius: 10px;
}

[data-theme="dark"] .image-tool .card:not(.result-card) {
    background: var(--color-surface, #1f2937);
    border-color: var(--color-border, #374151);
}

[data-theme="dark"] .image-tool .card-title,
[data-theme="dark"] .image-tool .form-label,
[data-theme="dark"] .image-tool {
    color: var(--color-text, #f9fafb);
}

[data-theme="dark"] .image-tool .text-muted,
[data-theme="dark"] .image-tool .form-text {
    color: var(--color-text-secondary, #9ca3af) !important;
}

[data-theme="dark"] .image-tool .form-control,
[data-theme="dark"] .image-tool .form-select,
[data-theme="dark"] .image-tool textarea {
    background: #111827;
    color: var(--color-text, #f9fafb);
    border-color: var(--color-border, #374151);
}

/* --- tool: device-mockup --- */
.device-mockup-tool {
    max-width: 1200px;
    margin: 0 auto;
}

/* 卡片样式 */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-radius: 0.75rem;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    border-radius: 0.75rem 0.75rem 0 0 !important;
}

/* 上传区域样式 */
.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 0.75rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: #f8f9fa;
}

.upload-area:hover {
    border-color: #0d6efd;
    background-color: #f0f7ff;
}

.upload-area.dragover {
    border-color: #0d6efd;
    background-color: #cfe2ff;
}

.upload-icon {
    margin-bottom: 1rem;
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: #6c757d;
}

/* 设备模型容器样式 */
.device-mockup-container {
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 0.5rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-frame {
    position: relative;
    width: 820px;
    height: 518px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: all 0.3s ease;
}

.device-frame.macbook-pro {
    background-image: url('../../../../assets/images/macbook-pro.png');
}

.device-frame.macbook-air {
    background-image: url('../../../../assets/images/macbook-air.png');
}

.screen-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.screen-content.placeholder {
    color: #6c757d;
}

.screen-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* MacBook Pro 屏幕区域 */
.device-frame.macbook-pro .screen-content {
    top: 8%;
    left: 12%;
    width: 76%;
    height: 75%;
}

/* MacBook Air 屏幕区域 */
.device-frame.macbook-air .screen-content {
    top: 10%;
    left: 15%;
    width: 70%;
    height: 70%;
}

/* 尺寸值显示 */
.size-value {
    text-align: center;
    font-weight: 600;
    color: #0d6efd;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* 按钮样式 */
.btn {
    transition: all 0.2s ease-in-out;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 范围输入样式 */
.form-range {
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    background-color: #0d6efd;
}

.form-range::-moz-range-thumb {
    background-color: #0d6efd;
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-text {
        font-size: 1rem;
    }
    
    .device-frame {
        width: 100%;
        max-width: 600px;
        height: auto;
        aspect-ratio: 3/2;
    }
    
    .device-mockup-container {
        padding: 1rem;
    }
}