/* ===== CSS Variables & Reset ===== */
:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0f0f23;
    --darker-bg: #0a0a15;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --accent-purple: #667eea;
    --accent-pink: #f5576c;

    /* Layout */
    --top-nav-height: 60px;
    --sidebar-width: 220px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-purple: 0 0 20px rgba(102, 126, 234, 0.5);
    --glow-pink: 0 0 20px rgba(245, 87, 108, 0.5);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Top Navigation ===== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--top-nav-height);
    background: var(--darker-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
}

.brand-icon {
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.brand-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--card-bg);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

/* ===== App Layout ===== */
.app-layout {
    display: flex;
    margin-top: var(--top-nav-height);
    height: calc(100vh - var(--top-nav-height));
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--darker-bg);
    border-right: 1px solid var(--card-border);
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
}

.menu-item:hover {
    background: var(--card-bg);
    color: var(--text-primary);
    transform: translateX(4px);
}

.menu-item.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--glow-purple);
}

.menu-icon {
    font-size: 1.25rem;
    min-width: 24px;
}

.menu-text {
    flex: 1;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 87, 108, 0.1) 0%, transparent 50%);
}

/* ===== View Container ===== */
.view-container {
    display: none;
    animation: fadeIn 0.4s ease;
}

.view-container.active {
    display: block;
}

.view-header {
    margin-bottom: var(--spacing-lg);
}

.view-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.view-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== Content Grid ===== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.full-width {
    grid-column: 1 / -1;
}

/* ===== Analysis Layout ===== */
.analysis-layout {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.analysis-upload-card {
    display: flex;
    flex-direction: column;
}

.analysis-result-card {
    display: flex;
    flex-direction: column;
}

.analysis-result-card .analysis-result {
    flex: 1;
}

/* 响应式布局 - 小屏幕时垂直排列 */
@media (max-width: 1024px) {
    .analysis-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== Card ===== */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ===== Upload Zone ===== */
.upload-zone {
    border: 2px dashed var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-zone:hover {
    border-color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.05);
}

.upload-zone.drag-over {
    border-color: var(--accent-pink);
    background: rgba(245, 87, 108, 0.1);
    box-shadow: var(--glow-pink);
}

.upload-placeholder {
    width: 100%;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    animation: bounce 2s ease-in-out infinite;
}

.sample-preview {
    width: 100%;
    max-height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.sample-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ===== Analysis Result ===== */
.analysis-result {
    min-height: 220px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(0, 0, 0, 0.3) 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.3);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.1);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-align: center;
}

.empty-state .hint {
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.analysis-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.analysis-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.analysis-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(4px);
}

.analysis-label {
    font-weight: 600;
    color: var(--accent-purple);
    min-width: 100px;
    font-size: 1.05rem;
}

.analysis-value {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ===== Form Elements ===== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.label-icon {
    font-size: 1rem;
}

.form-control {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.prompt-textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
}

.prompt-textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.prompt-selector-wrapper {
    margin-bottom: var(--spacing-md);
}

.template-selector {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.template-selector:hover {
    border-color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.1);
}

.template-selector:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}


.template-select,
.size-select {
    width: 100%;
}

.provider-config {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-sm);
}

/* ===== Buttons ===== */
.primary-btn,
.secondary-btn,
.generate-btn,
.test-connection-btn {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.primary-btn {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--glow-purple);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--card-border);
}

.secondary-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-purple);
}

.generate-btn {
    width: 100%;
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--glow-purple);
}

.test-connection-btn {
    background: var(--success-gradient);
    color: white;
    margin-top: var(--spacing-sm);
}

.test-connection-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.5);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    font-size: 1.25rem;
}

/* ===== API Actions ===== */
.api-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.api-actions button {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    margin: 0;
}

/* ===== Upload Actions ===== */
.upload-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.image-count {
    background: var(--primary-gradient);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== Image Preview Grid ===== */
.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.preview-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    animation: fadeInScale 0.4s ease;
}

.preview-item:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-purple);
}

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

.preview-label {
    position: absolute;
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.preview-remove {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(245, 87, 108, 0.9);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
    opacity: 0;
}

.preview-item:hover .preview-remove {
    opacity: 1;
}

.preview-remove:hover {
    background: var(--accent-pink);
    transform: scale(1.1);
}

/* ===== Progress Section ===== */
.progress-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: var(--spacing-sm) 0;
}

.progress-fill {
    height: 100%;
    background: var(--success-gradient);
    border-radius: 10px;
    transition: width 0.3s ease;
    box-shadow: var(--glow-purple);
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Results Section ===== */
.results-section {
    margin-top: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.download-all-btn {
    background: var(--success-gradient);
    border: none;
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.download-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.5);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.result-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    animation: fadeInScale 0.5s ease;
}

.result-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.2);
}

.result-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: var(--card-border);
}

.result-image-container {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.result-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.result-image-container:hover img {
    transform: scale(1.1);
}

.result-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.result-actions {
    padding: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
}

.result-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    color: white;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.result-btn:hover {
    background: var(--primary-gradient);
    border-color: transparent;
}

/* ===== Template List ===== */
.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.template-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.template-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.template-card:hover {
    border-color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.1);
}

.template-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.template-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.template-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.template-prompt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.template-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--darker-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--card-border);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--card-border);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        width: 180px;
    }

    .menu-text {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -var(--sidebar-width);
        top: var(--top-nav-height);
        height: calc(100vh - var(--top-nav-height));
        z-index: 999;
        transition: left 0.3s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        padding: var(--spacing-md);
    }

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

/* ===== File Management Section ===== */
.file-management-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.upload-section,
.export-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.section-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.upload-buttons,
.export-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

.upload-btn,
.export-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.upload-btn:hover,
.export-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

.export-btn.secondary {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--accent-purple);
}

.export-path {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
}

.path-icon {
    font-size: 1rem;
}

.path-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

/* ===== Size Selector ===== */
.size-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.size-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
    position: relative;
}

.size-option:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--accent-purple);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.size-option.active {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: var(--glow-purple);
}

.size-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.size-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.size-value {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.size-option.active .size-value {
    color: rgba(255, 255, 255, 0.9);
}

.size-badge {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: var(--secondary-gradient);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

/* ===== Responsive - File Management ===== */
@media (max-width: 1024px) {
    .file-management-section {
        grid-template-columns: 1fr;
    }

    .size-selector {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {

    .upload-buttons,
    .export-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .upload-btn,
    .export-btn {
        width: 100%;
        justify-content: center;
    }

    .size-selector {
        grid-template-columns: 1fr;
    }
}

/* ===== 批量生成两栏布局 ===== */
.batch-two-column-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-lg);
    min-height: calc(100vh - var(--top-nav-height) - var(--spacing-lg) * 3);
}

/* 左侧面板 */
.batch-left-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    height: fit-content;
}

/* 右侧面板 */
.batch-right-panel {
    display: flex;
    flex-direction: column;
    min-height: 500px;
    position: relative;
}

/* 紧凑版卡片 */
.compact-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.compact-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.compact-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* 紧凑版上传按钮 */
.upload-buttons-compact {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.upload-btn-compact {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.upload-btn-compact:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: var(--accent-purple);
    transform: translateY(-1px);
}

.upload-btn-compact .btn-icon {
    font-size: 1rem;
}

/* 紧凑版图片计数 */
.image-count-compact {
    display: inline-block;
    background: var(--primary-gradient);
    padding: 4px var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

/* 紧凑版图片预览网格 */
.image-preview-grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.image-preview-grid-compact::-webkit-scrollbar {
    width: 4px;
}

.image-preview-grid-compact::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.image-preview-grid-compact::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 4px;
}

/* 紧凑版表单控件 */
.form-control-compact {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-control-compact:hover {
    border-color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.15);
}

.form-control-compact:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 下拉菜单选项样式 */
.form-control-compact option {
    background: rgba(20, 25, 45, 0.98);
    color: rgba(255, 255, 255, 0.95);
    padding: 8px;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-control-compact option:hover,
.form-control-compact option:checked {
    background: rgba(102, 126, 234, 0.8);
    color: white;
}

/* 紧凑版文本域 */
.prompt-textarea-compact {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    transition: all 0.3s ease;
    min-height: 80px;
}

.prompt-textarea-compact:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 紧凑版尺寸选择器 */
.size-selector-compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.size-option-compact {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.size-option-compact:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--accent-purple);
    transform: translateX(4px);
}

.size-option-compact.active {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.size-option-compact .size-icon {
    font-size: 1.2rem;
}

.size-option-compact .size-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* 紧凑版生成按钮 */
.generate-btn-compact {
    width: 100%;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.generate-btn-compact:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--glow-purple);
}

.generate-btn-compact:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 紧凑版导出设置 */
.export-section-compact {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.section-label-compact {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.export-controls-compact {
    display: flex;
    gap: 6px;
}

.export-btn-compact {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 6px var(--spacing-xs);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.export-btn-compact:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: var(--accent-purple);
}

.export-btn-compact .btn-icon {
    font-size: 0.9rem;
}

.export-path-compact {
    margin-top: var(--spacing-xs);
    padding: 6px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
}

.export-path-compact .path-icon {
    font-size: 0.9rem;
}

.export-path-compact .path-text {
    color: var(--text-secondary);
    word-break: break-all;
}

/* 右侧面板样式 */
.progress-section-compact {
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
}

.progress-section-compact h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.results-section-compact {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.section-header-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
}

.section-header-compact h3 {
    font-size: 1.1rem;
    margin: 0;
}

.download-all-btn-compact {
    background: var(--success-gradient);
    border: none;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.download-all-btn-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
}

.results-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    flex: 1;
}

/* 空状态 */
.empty-state-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    background: transparent;
    color: var(--text-secondary);
    text-align: center;
    padding: var(--spacing-xl);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

.empty-state-compact p {
    margin: var(--spacing-xs) 0;
    font-size: 1rem;
}

.empty-hint {
    font-size: 0.85rem !important;
    opacity: 0.7;
}

/* 响应式 - 两栏布局 */
@media (max-width: 1200px) {
    .batch-two-column-layout {
        grid-template-columns: 350px 1fr;
    }
}

@media (max-width: 1024px) {
    .batch-two-column-layout {
        grid-template-columns: 1fr;
    }

    .batch-left-panel,
    .batch-right-panel {
        width: 100%;
    }
}

/* ===== 模型选择器样式 ===== */
.model-info {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: rgba(102, 126, 234, 0.15);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-purple);
}

.model-info small {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.85rem;
    line-height: 1.4;
    display: block;
    font-weight: 500;
}
/* ===== ����ѡ��������ʽ ===== */
.aspect-ratio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.aspect-ratio-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.aspect-ratio-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.aspect-ratio-btn.active {
    background: rgba(255, 165, 0, 0.15);
    border-color: rgba(255, 165, 0, 0.8);
    border-width: 2px;
}

.aspect-ratio-btn.active::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.2), rgba(255, 140, 0, 0.1));
    z-index: -1;
}

.ratio-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ratio-icon svg {
    width: 100%;
    height: 100%;
    color: rgba(255, 255, 255, 0.7);
}

.aspect-ratio-btn.active .ratio-icon svg {
    color: rgba(255, 165, 0, 1);
}

.ratio-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.aspect-ratio-btn.active .ratio-label {
    color: rgba(255, 165, 0, 1);
    font-weight: 600;
}

@media (max-width: 768px) {
    .aspect-ratio-grid {
        grid-template-columns: repeat(3, 1fr);
    } r
}

@media (max-width: 480px) {
    .aspect-ratio-grid {
        grid-template-columns: repeat(2, 1fr);
    } r
}

/* ImageViewer Modal Styles */
.image-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.viewer-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(20, 20, 20, 0.95);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

.viewer-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
}

.viewer-info {
    width: 100%;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.viewer-prompt-container {
    background: rgba(0,0,0,0.3);
    padding: 15px;
    border-radius: 8px;
    position: relative;
}

.viewer-prompt {
    color: #e0e0e0;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    max-height: 100px;
    overflow-y: auto;
    font-family: monospace;
}

.copy-btn {
    margin-top: 10px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

.viewer-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 10px;
}