.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--ut-space-2) var(--ut-space-2) var(--ut-space-4);
}

.page-title {
    text-align: center;
    font-weight: 700;
    margin-bottom: var(--ut-space-2);
    background: linear-gradient(135deg, var(--ut-color-primary-500), var(--ut-color-accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== 卡片通用 ========== */
.card {
    background: var(--ut-color-surface);
    border-radius: var(--ut-radius-lg);
    box-shadow: var(--ut-shadow-sm);
    padding: 12px;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ut-color-text);
}

/* ========== 照片来源区 ========== */
.source-card {
    max-width: 600px;
    margin: 0 auto var(--ut-space-2);
}

/* 收起状态小条 */
.source-collapsed {
    display: flex;
    align-items: center;
    padding: 4px 0;
    font-size: 0.9rem;
}

.source-filename {
    color: var(--ut-color-text);
    font-weight: 500;
}

/* 格式标签 */
.format-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: var(--ut-space-2);
}

.format-tag {
    padding: 2px 10px;
    background: var(--ut-color-surface-muted);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--ut-color-text-muted);
    font-weight: 500;
}

/* 来源切换 */
.source-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: var(--ut-space-2);
    background: var(--ut-color-surface-muted);
    border-radius: var(--ut-radius-md);
    padding: 4px;
}

.source-tab {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    border-radius: var(--ut-radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ut-color-text-muted);
    transition: var(--ut-transition-fast);
}

.source-tab.active {
    background: var(--ut-color-surface);
    color: var(--ut-color-primary-500);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 拖放区域 */
.drop-area {
    border: 2px dashed var(--ut-color-border);
    border-radius: var(--ut-radius-lg);
    padding: var(--ut-space-4) var(--ut-space-2);
    text-align: center;
    transition: var(--ut-transition-fast);
    cursor: pointer;
}

.drop-area:hover,
.drop-area.dragover {
    border-color: var(--ut-color-primary-500);
    background: rgba(102, 126, 234, 0.05);
}

.drop-area i.fa-cloud-upload {
    font-size: 3rem;
    color: var(--ut-color-primary-500);
    margin-bottom: var(--ut-space-1);
}

.drop-area h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.browse-btn {
    display: inline-flex;
    align-items: center;
}

/* 拍照区域 */
.camera-area {
    text-align: center;
}

.camera-preview-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--ut-radius-md);
    overflow: hidden;
    background: #000;
    margin-bottom: var(--ut-space-1);
}

.camera-preview-wrapper video,
.camera-preview-wrapper canvas {
    width: 100%;
    display: block;
    max-height: 560px;
    object-fit: contain;
}

/* 前置摄像头镜像显示 */
.camera-preview-wrapper video.mirror,
.camera-preview-wrapper canvas.mirror {
    transform: scaleX(-1);
}

.camera-countdown {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.camera-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: var(--ut-space-1);
    align-items: center;
}

.camera-retake {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: var(--ut-space-1);
}

/* ========== 第一行：尺寸 + 背景 ========== */
.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

/* ========== 第二行：预览 + 编辑 ========== */
.workspace-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

/* ========== 第三行：操作按钮 ========== */
.action-row {
    margin-bottom: 12px;
}

/* ========== 结果区域 ========== */
.result-row {
    margin-bottom: 12px;
}

/* ========== 尺寸规格 ========== */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 6px;
}

.spec-card {
    padding: 6px 4px;
    border: 2px solid var(--ut-color-border);
    border-radius: var(--ut-radius-md);
    background: var(--ut-color-surface);
    cursor: pointer;
    text-align: center;
    transition: var(--ut-transition-fast);
}

.spec-card:hover {
    border-color: var(--ut-color-primary-500);
}

.spec-card.active {
    border-color: var(--ut-color-primary-500);
    background: rgba(102, 126, 234, 0.06);
}

.spec-name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1px;
}

.spec-size {
    font-size: 0.7rem;
    color: var(--ut-color-text-muted);
}

.spec-px {
    font-size: 0.65rem;
    color: var(--ut-color-primary-500);
}

.custom-size-input {
    margin-top: 6px;
}

.custom-size-input .form-control {
    max-width: 90px;
}

/* ========== AI 状态提示 ========== */
.ai-status {
    margin-bottom: 8px;
    font-size: 0.8rem;
    text-align: center;
}

.ai-status-loading {
    color: var(--ut-color-warning, #f0ad4e);
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(240, 173, 78, 0.1);
    border-radius: 20px;
}

.ai-status-ready {
    color: var(--ut-color-success, #5cb85c);
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(92, 184, 92, 0.1);
    border-radius: 20px;
}

/* ========== 背景颜色 ========== */
.bg-color-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.bg-color-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 10px;
    border: 2px solid var(--ut-color-border);
    border-radius: var(--ut-radius-md);
    background: var(--ut-color-surface);
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--ut-transition-fast);
}

.bg-color-btn:hover {
    border-color: var(--ut-color-primary-500);
}

.bg-color-btn.active {
    border-color: var(--ut-color-primary-500);
    background: rgba(102, 126, 234, 0.06);
}

.color-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-color-circle {
    background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
    color: #fff;
    font-size: 0.7rem;
}

.custom-color-picker {
    margin-top: 6px;
}

.form-control-color {
    width: 60px;
    height: 36px;
    padding: 2px;
    cursor: pointer;
}

/* ========== 滑块 ========== */
.slider-container {
    margin-bottom: 6px;
}

.slider-container .form-label {
    font-size: 0.78rem;
    margin-bottom: 0;
    color: var(--ut-color-text-muted);
}

.slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 5px;
    border-radius: 3px;
    background: var(--ut-color-border);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--ut-color-primary-500);
    cursor: pointer;
    transition: var(--ut-transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.quality-value,
.slider-val {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ut-color-primary-500);
}

/* ========== 编辑分组 ========== */
.edit-group {
    margin-bottom: 8px;
}

.edit-group-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ut-color-text);
    margin-bottom: 6px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--ut-color-border);
}

/* 滑块两列网格 */
.slider-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 16px;
}

/* ========== 滤镜预设 ========== */
.filter-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 4px 12px;
    border: 1px solid var(--ut-color-border);
    border-radius: 20px;
    background: var(--ut-color-surface);
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--ut-transition-fast);
}

.filter-btn:hover {
    border-color: var(--ut-color-primary-500);
}

.filter-btn.active {
    background: var(--ut-color-primary-500);
    color: #fff;
    border-color: var(--ut-color-primary-500);
}

/* ========== 预览区 ========== */
.initial-state {
    text-align: center;
    padding: var(--ut-space-4) var(--ut-space-2);
    color: var(--ut-color-text-muted);
}

.initial-state i {
    font-size: 3rem;
    margin-bottom: var(--ut-space-1);
    opacity: 0.3;
}

.preview-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ut-color-text);
}

.crop-canvas-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    background: #f0f0f0;
    border-radius: var(--ut-radius-md);
    overflow: hidden;
    margin-bottom: 8px;
}

.crop-canvas-wrapper canvas {
    max-width: 100%;
    cursor: move;
}

.effect-preview-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
}

.effect-preview-wrapper canvas {
    max-width: 180px;
    height: auto;
    border: 1px solid var(--ut-color-border);
    border-radius: var(--ut-radius-sm);
    box-shadow: var(--ut-shadow-sm);
}

.result-preview-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--ut-space-1);
}

.result-preview-wrapper canvas {
    max-width: 200px;
    height: auto;
    border: 1px solid var(--ut-color-border);
    border-radius: var(--ut-radius-sm);
    box-shadow: var(--ut-shadow-sm);
}

/* ========== 电子版压缩 ========== */
.compress-section {
    padding-top: var(--ut-space-2);
    border-top: 1px solid var(--ut-color-border);
}

.compress-select {
    width: auto;
    min-width: 100px;
}

/* ========== hidden class ========== */
.hidden {
    display: none !important;
}

/* ========== 响应式 ========== */
@media (max-width: 900px) {
    .settings-row {
        grid-template-columns: 1fr;
    }

    .workspace-row {
        grid-template-columns: 1fr;
    }

    .spec-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .bg-color-options {
        justify-content: center;
    }

    .source-card {
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .main-container {
        padding: var(--ut-space-1);
    }

    .card {
        padding: 10px;
    }

    .spec-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-presets {
        justify-content: center;
    }

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