/* ===== ZJ_Global Reset & Variables ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ZJ_primary: #4a90d9;
    --ZJ_primary_dark: #3a7bc8;
    --ZJ_success: #28a745;
    --ZJ_danger: #dc3545;
    --ZJ_warning: #f0ad4e;
    --ZJ_bg: #f0f2f5;
    --ZJ_white: #ffffff;
    --ZJ_text: #1f1f1f;
    --ZJ_text_light: #666666;
    --ZJ_border: #e4e6eb;
    --ZJ_shadow: rgba(0, 0, 0, 0.08);
    --ZJ_radius: 16px;
    --ZJ_radius_sm: 8px;
    --ZJ_transition: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--ZJ_bg);
    color: var(--ZJ_text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== ZJ_Navbar ===== */
.ZJ_navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--ZJ_white);
    box-shadow: 0 2px 12px var(--ZJ_shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 100;
}

.ZJ_nav_brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ZJ_nav_brand h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ZJ_primary);
}

.ZJ_nav_brand span {
    font-size: 1.8rem;
}

.ZJ_nav_links {
    display: flex;
    gap: 20px;
}

.ZJ_nav_links a {
    color: var(--ZJ_text_light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--ZJ_transition);
    padding: 8px 16px;
    border-radius: var(--ZJ_radius_sm);
}

.ZJ_nav_links a:hover {
    color: var(--ZJ_primary);
    background: rgba(74, 144, 217, 0.08);
}

.ZJ_contact_btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--ZJ_primary) 0%, #667eea 100%);
    color: var(--ZJ_white);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ZJ_transition);
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.3);
}

.ZJ_contact_btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(74, 144, 217, 0.45);
}

.ZJ_contact_btn span {
    font-size: 1rem;
}

/* ===== ZJ_QR Modal ===== */
.ZJ_qr_modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    z-index: 2500;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: ZJ_fadeIn 0.2s ease;
}

.ZJ_qr_modal.ZJ_show {
    display: flex;
}

@keyframes ZJ_fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.ZJ_qr_modal_box {
    background: var(--ZJ_white);
    border-radius: 20px;
    padding: 32px 28px 24px;
    max-width: 360px;
    width: 100%;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    text-align: center;
    animation: ZJ_qrPop 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes ZJ_qrPop {
    from { opacity: 0; transform: scale(0.9) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.ZJ_qr_close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--ZJ_bg);
    color: var(--ZJ_text_light);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
    transition: var(--ZJ_transition);
}

.ZJ_qr_close:hover {
    background: var(--ZJ_danger);
    color: var(--ZJ_white);
}

.ZJ_qr_title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ZJ_text);
    margin-bottom: 18px;
}

.ZJ_qr_image_wrap {
    background: linear-gradient(135deg, #f4f5fb 0%, #e9edf5 100%);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 14px;
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ZJ_qr_image_wrap img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 8px;
    background: var(--ZJ_white);
}

.ZJ_qr_empty {
    color: var(--ZJ_text_light);
    text-align: center;
}

.ZJ_qr_empty_icon {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.6;
}

.ZJ_qr_hint {
    color: var(--ZJ_text_light);
    font-size: 0.85rem;
}

/* ===== ZJ_Main Container ===== */
.ZJ_main_container {
    padding-top: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 30px;
    padding-right: 30px;
    padding-bottom: 30px;
}

/* ===== ZJ_Task Bar ===== */
.ZJ_taskbar {
    background: var(--ZJ_white);
    border-radius: var(--ZJ_radius);
    box-shadow: 0 2px 12px var(--ZJ_shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.ZJ_taskbar_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ZJ_border);
}

.ZJ_taskbar_header h3 {
    font-size: 1rem;
    color: var(--ZJ_text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ZJ_task_count {
    background: var(--ZJ_primary);
    color: var(--ZJ_white);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
}

.ZJ_taskbar_content {
    max-height: 200px;
    overflow-y: auto;
}

.ZJ_task_item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--ZJ_border);
    gap: 16px;
}

.ZJ_task_item:last-child {
    border-bottom: none;
}

.ZJ_task_thumb {
    width: 50px;
    height: 50px;
    border-radius: var(--ZJ_radius_sm);
    object-fit: cover;
    background: var(--ZJ_bg);
}

.ZJ_task_info {
    flex: 1;
}

.ZJ_task_name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--ZJ_text);
}

.ZJ_task_status {
    font-size: 0.8rem;
    color: var(--ZJ_text_light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ZJ_task_progress {
    width: 100px;
    height: 6px;
    background: var(--ZJ_border);
    border-radius: 3px;
    overflow: hidden;
}

.ZJ_task_progress_bar {
    height: 100%;
    background: var(--ZJ_primary);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.ZJ_task_progress_bar.ZJ_success {
    background: var(--ZJ_success);
}

.ZJ_task_progress_bar.ZJ_error {
    background: var(--ZJ_danger);
}

.ZJ_task_actions {
    display: flex;
    gap: 8px;
}

.ZJ_task_btn {
    padding: 6px 12px;
    border: none;
    border-radius: var(--ZJ_radius_sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--ZJ_transition);
}

.ZJ_task_btn_view {
    background: rgba(74, 144, 217, 0.1);
    color: var(--ZJ_primary);
}

.ZJ_task_btn_view:hover {
    background: rgba(74, 144, 217, 0.2);
}

.ZJ_task_btn_download {
    background: var(--ZJ_success);
    color: var(--ZJ_white);
}

.ZJ_task_btn_download:hover {
    background: #218838;
}

.ZJ_task_empty {
    padding: 30px;
    text-align: center;
    color: var(--ZJ_text_light);
}

/* ===== ZJ_Workflow ===== */
.ZJ_workflow {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 1024px) {
    .ZJ_workflow {
        grid-template-columns: 1fr;
    }
}

/* ===== ZJ_Upload Card ===== */
.ZJ_upload_card {
    background: var(--ZJ_white);
    border-radius: var(--ZJ_radius);
    box-shadow: 0 2px 12px var(--ZJ_shadow);
    padding: 24px;
}

.ZJ_upload_card h3 {
    font-size: 1.1rem;
    color: var(--ZJ_text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ZJ_upload_area {
    border: 2px dashed var(--ZJ_border);
    border-radius: var(--ZJ_radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--ZJ_transition);
    background: var(--ZJ_bg);
    margin-bottom: 20px;
}

.ZJ_upload_area:hover,
.ZJ_upload_area.ZJ_dragover {
    border-color: var(--ZJ_primary);
    background: rgba(74, 144, 217, 0.05);
}

.ZJ_upload_area.ZJ_has_image {
    border-style: solid;
    border-color: var(--ZJ_primary);
    padding: 16px;
}

.ZJ_upload_icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.ZJ_upload_content h4 {
    color: var(--ZJ_text);
    margin-bottom: 8px;
}

.ZJ_upload_content p {
    color: var(--ZJ_text_light);
    font-size: 0.85rem;
}

.ZJ_formats {
    margin-top: 10px;
    color: var(--ZJ_text_light) !important;
    font-size: 0.75rem !important;
}

.ZJ_upload_preview {
    width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: var(--ZJ_radius_sm);
}

.ZJ_upload_preview_info {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--ZJ_text_light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ZJ_upload_change {
    color: var(--ZJ_primary);
    cursor: pointer;
    font-weight: 500;
}

.ZJ_upload_change:hover {
    text-decoration: underline;
}

.ZJ_btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: var(--ZJ_radius_sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ZJ_transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ZJ_btn_primary {
    background: linear-gradient(135deg, var(--ZJ_primary) 0%, #667eea 100%);
    color: var(--ZJ_white);
}

.ZJ_btn_primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 144, 217, 0.4);
}

.ZJ_btn_primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.ZJ_btn_loading {
    animation: ZJ_pulse 1.5s infinite;
}

@keyframes ZJ_pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== ZJ_Result Card ===== */
.ZJ_result_card {
    background: var(--ZJ_white);
    border-radius: var(--ZJ_radius);
    box-shadow: 0 2px 12px var(--ZJ_shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.ZJ_result_card h3 {
    font-size: 1.1rem;
    color: var(--ZJ_text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ZJ_result_container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
    background: var(--ZJ_bg);
    border-radius: var(--ZJ_radius_sm);
    position: relative;
    overflow: hidden;
    cursor: zoom-in;
}

.ZJ_result_container.ZJ_enlarged {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    border-radius: 0;
    cursor: zoom-out;
}

.ZJ_result_container.ZJ_enlarged img {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
}

.ZJ_result_placeholder {
    text-align: center;
    color: var(--ZJ_text_light);
}

.ZJ_result_placeholder .ZJ_placeholder_icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.ZJ_result_image {
    max-width: 100%;
    max-height: 350px;
    object-fit: contain;
    border-radius: var(--ZJ_radius_sm);
}

.ZJ_result_info {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ZJ_result_info_text {
    font-size: 0.85rem;
    color: var(--ZJ_text_light);
}

.ZJ_result_btns {
    display: flex;
    gap: 12px;
}

.ZJ_result_btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--ZJ_radius_sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--ZJ_transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ZJ_result_btn_preview {
    background: rgba(74, 144, 217, 0.1);
    color: var(--ZJ_primary);
}

.ZJ_result_btn_preview:hover {
    background: rgba(74, 144, 217, 0.2);
}

.ZJ_result_btn_download {
    background: var(--ZJ_success);
    color: var(--ZJ_white);
}

.ZJ_result_btn_download:hover {
    background: #218838;
}

.ZJ_enlarge_hint {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    opacity: 0;
    transition: var(--ZJ_transition);
}

.ZJ_result_container:hover .ZJ_enlarge_hint {
    opacity: 1;
}

/* ===== ZJ_History Section ===== */
.ZJ_history_section {
    background: var(--ZJ_white);
    border-radius: var(--ZJ_radius);
    box-shadow: 0 2px 12px var(--ZJ_shadow);
    margin-bottom: 24px;
}

.ZJ_history_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ZJ_border);
}

.ZJ_history_header h3 {
    font-size: 1rem;
    color: var(--ZJ_text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ZJ_history_scroll {
    overflow-x: auto;
    padding: 16px 20px;
}

.ZJ_history_list {
    display: flex;
    gap: 16px;
}

.ZJ_history_item {
    flex-shrink: 0;
    width: 280px;
    background: var(--ZJ_bg);
    border-radius: var(--ZJ_radius_sm);
    overflow: hidden;
    transition: var(--ZJ_transition);
    border: 2px solid transparent;
}

.ZJ_history_item:hover {
    border-color: var(--ZJ_primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px var(--ZJ_shadow);
}

.ZJ_history_images {
    display: flex;
    height: 120px;
}

.ZJ_history_images img {
    width: 50%;
    height: 100%;
    object-fit: cover;
}

.ZJ_history_images .ZJ_history_arrow {
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ZJ_white);
    color: var(--ZJ_primary);
    font-size: 1.2rem;
}

.ZJ_history_info {
    padding: 12px;
}

.ZJ_history_time {
    font-size: 0.8rem;
    color: var(--ZJ_text_light);
    margin-bottom: 8px;
}

.ZJ_history_btns {
    display: flex;
    gap: 8px;
}

.ZJ_history_btn {
    flex: 1;
    padding: 6px 10px;
    border: none;
    border-radius: var(--ZJ_radius_sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--ZJ_transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.ZJ_history_btn_preview {
    background: rgba(74, 144, 217, 0.1);
    color: var(--ZJ_primary);
}

.ZJ_history_btn_preview:hover {
    background: rgba(74, 144, 217, 0.2);
}

.ZJ_history_btn_download {
    background: var(--ZJ_success);
    color: var(--ZJ_white);
}

.ZJ_history_btn_download:hover {
    background: #218838;
}

.ZJ_history_empty {
    padding: 40px;
    text-align: center;
    color: var(--ZJ_text_light);
}

/* ===== ZJ_Image Modal ===== */
.ZJ_image_modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

.ZJ_image_modal.ZJ_show {
    display: flex;
}

.ZJ_image_modal img {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
}

/* ===== ZJ_Toast ===== */
.ZJ_toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    border-radius: var(--ZJ_radius_sm);
    color: var(--ZJ_white);
    font-weight: 500;
    opacity: 0;
    transition: var(--ZJ_transition);
    z-index: 3000;
    max-width: 90%;
}

.ZJ_toast.ZJ_show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.ZJ_toast.ZJ_success {
    background: var(--ZJ_success);
}

.ZJ_toast.ZJ_error {
    background: var(--ZJ_danger);
}

.ZJ_toast.ZJ_warning {
    background: var(--ZJ_warning);
}

/* ===== ZJ_Loading Overlay ===== */
.ZJ_loading_overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 500;
}

.ZJ_loading_overlay.ZJ_show {
    display: flex;
}

.ZJ_loading_spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--ZJ_white);
    border-radius: 50%;
    animation: ZJ_spin 1s linear infinite;
}

@keyframes ZJ_spin {
    to { transform: rotate(360deg); }
}

/* ===== 页脚 ===== */
.ZJ_footer {
    margin-top: 40px;
    padding: 20px 24px 28px;
    text-align: center;
    border-top: 1px solid var(--ZJ_border);
    background: var(--ZJ_white);
}

.ZJ_footer_text {
    margin: 0;
    font-size: 0.82rem;
    color: var(--ZJ_text_light);
    letter-spacing: 0.3px;
}

.ZJ_footer_brand {
    color: var(--ZJ_primary);
    font-weight: 600;
}

/* ===== Mobile Adjustments ===== */
@media (max-width: 768px) {
    .ZJ_navbar {
        padding: 0 16px;
    }

    .ZJ_nav_brand h1 {
        font-size: 1.1rem;
    }

    .ZJ_main_container {
        padding-left: 16px;
        padding-right: 16px;
    }

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

    .ZJ_history_item {
        width: 260px;
    }

    .ZJ_taskbar_header,
    .ZJ_history_header {
        padding: 12px 16px;
    }

    .ZJ_footer {
        margin-top: 24px;
        padding: 16px 16px 20px;
    }

    .ZJ_footer_text {
        font-size: 0.75rem;
    }
}