/* ==================== 导入可爱字体 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap');

/* todo 添加 "'Permanent Marker', cursive" 字体 */

/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 50%, #ffecd2 100%);
    min-height: 100vh;
    padding: 0;
    margin: 0;
    position: relative;
    overflow: hidden;
}

/* 背景闪烁星星效果 */
.sparkles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(3px 3px at 50px 160px, #fff, transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255,255,255,0.9), transparent),
        radial-gradient(2px 2px at 130px 80px, #fff, transparent),
        radial-gradient(3px 3px at 160px 120px, rgba(255,255,255,0.7), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: sparkle 4s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.container {
    display: flex;
    gap: 0;
    max-width: none;
    margin: 0;
    height: 100vh;
    position: relative;
    z-index: 1;
}

.container.fullscreen {
    width: 100vw;
}

/* ==================== 折叠按钮样式 ==================== */
.toggle-panel-btn {
    position: fixed;
    left: 420px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    width: 40px;
    height: 80px;
    background: linear-gradient(180deg, #FF9A9E 0%, #FECFEF 100%);
    border: 3px solid white;
    border-left: none;
    border-radius: 0 20px 20px 0;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 4px 0 15px rgba(255, 154, 158, 0.4);
    transition: all 0.3s ease;
}

.toggle-panel-btn:hover {
    width: 48px;
    background: linear-gradient(180deg, #FF8A8E 0%, #FEBFDF 100%);
}

.toggle-icon {
    font-size: 18px;
}

.toggle-arrow {
    font-size: 12px;
    color: white;
    transition: transform 0.3s ease;
}

.toggle-panel-btn.collapsed {
    left: 0;
    border-radius: 0 20px 20px 0;
}

.toggle-panel-btn.collapsed .toggle-arrow {
    transform: rotate(180deg);
}

/* ==================== 左侧面板样式 ==================== */
.left-panel {
    flex: 0 0 420px;
    width: 420px;
    background: linear-gradient(180deg, #fff9f9 0%, #fff5f8 100%);
    border-radius: 0;
    padding: 20px;
    box-shadow: 
        4px 0 30px rgba(255, 182, 193, 0.3),
        inset 0 0 30px rgba(255, 255, 255, 0.5);
    overflow-y: auto;
    border-right: 3px solid rgba(255, 182, 193, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 50;
}

.left-panel.collapsed {
    margin-left: -420px;
}

.left-panel h1 {
    text-align: center;
    color: #e75480;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.title-icon {
    font-size: 28px;
    animation: bounce 2s ease-in-out infinite;
}

.title-stars {
    animation: twinkle 1.5s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes twinkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

.section-title {
    color: #e75480;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 5px;
}

/* ==================== 滤镜选择样式 ==================== */
.filter-selection {
    margin-bottom: 30px;
}

.filter-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.filter-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 10px;
}

.filter-option:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

.filter-option.active {
    background-color: #e6f7ff;
    border: 2px solid #1890ff;
}

.filter-preview {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 8px;
}

.filter-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

/* ==================== 颜色选择器样式 ==================== */
.color-picker-section {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    border: 2px solid rgba(255, 154, 158, 0.3);
}

.color-picker-title {
    font-size: 13px;
    font-weight: 700;
    color: #e75480;
    margin-bottom: 10px;
    text-align: center;
}

.color-preset-colors {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    margin-bottom: 12px;
}

.color-preset {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.color-preset:hover {
    transform: scale(1.1);
    border-color: #FF9A9E;
    box-shadow: 0 4px 8px rgba(255, 154, 158, 0.4);
}

.color-preset.active {
    border-color: #FF6B6B;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.3);
    transform: scale(1.05);
}

.color-picker-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.color-picker-row input[type="color"] {
    width: 50px;
    height: 35px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    background: none;
}

.color-picker-row input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-picker-row input[type="color"]::-webkit-color-swatch {
    border-radius: 6px;
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.color-value {
    font-size: 12px;
    font-weight: 600;
    color: #666;
    background: rgba(255, 255, 255, 0.8);
    padding: 6px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

/* 弹窗内颜色选择器 */
.modal-color-picker {
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 182, 193, 0.1);
    border-radius: 12px;
    border: 2px solid rgba(255, 154, 158, 0.3);
}

.modal-color-picker .color-preset-colors {
    margin-bottom: 12px;
}

.apply-color-btn {
    padding: 8px 20px;
    background: linear-gradient(180deg, #FF9A9E 0%, #FECFEF 100%);
    border: none;
    border-radius: 20px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 154, 158, 0.4);
}

.apply-color-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 154, 158, 0.5);
}

/* ==================== 富士Instax Mini相机样式 ==================== */
.camera-section {
    margin-bottom: 20px;
}

.instax-camera {
    background: linear-gradient(180deg, #FFB5C5 0%, #FFA0B4 50%, #FF8FA3 100%);
    border-radius: 30px 30px 25px 25px;
    padding: 15px;
    position: relative;
    box-shadow: 
        0 10px 30px rgba(255, 133, 162, 0.4),
        inset 0 2px 0 rgba(255, 255, 255, 0.6),
        inset 0 -4px 0 rgba(0, 0, 0, 0.1);
    border: 3px solid #FF7A93;
    margin-bottom: 15px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

/* 相机顶部 */
.instax-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    padding: 5px 10px;
}

/* 闪光灯 */
.instax-flash {
    width: 45px;
    height: 30px;
    background: linear-gradient(180deg, #333 0%, #222 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.3);
}

.flash-window {
    width: 30px;
    height: 18px;
    background: linear-gradient(180deg, #f8f8f8 0%, #ddd 50%, #bbb 100%);
    border-radius: 3px;
    box-shadow: inset 0 0 3px rgba(255, 255, 255, 0.8);
}

/* 快门按钮 */
.instax-shutter-area {
    position: relative;
}

.instax-shutter-btn {
    width: 50px;
    height: 50px;
    background: linear-gradient(180deg, #f5f5f5 0%, #ddd 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.8),
        inset 0 -2px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.1s ease;
}

.instax-shutter-btn:hover {
    transform: scale(1.05);
}

.instax-shutter-btn:active {
    transform: scale(0.95);
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.shutter-inner {
    width: 35px;
    height: 35px;
    background: linear-gradient(180deg, #FF6B8A 0%, #FF5277 100%);
    border-radius: 50%;
    box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.3);
}

/* 曝光调节 */
.instax-exposure {
    width: 35px;
    height: 25px;
    background: #333;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.exposure-dial {
    width: 20px;
    height: 15px;
    background: linear-gradient(90deg, #666 0%, #888 50%, #666 100%);
    border-radius: 2px;
}

/* 相机主体 */
.instax-body {
    background: linear-gradient(180deg, #fff 0%, #f8f8f8 100%);
    border-radius: 20px;
    padding: 15px;
    position: relative;
    box-shadow: 
        inset 0 2px 0 rgba(255, 255, 255, 1),
        0 4px 10px rgba(0, 0, 0, 0.1);
}

/* 镜头区域 */
.instax-lens-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.instax-lens {
    flex: 1;
}

.lens-outer {
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 15px;
    padding: 8px;
    box-shadow: 
        0 0 0 3px #444,
        0 0 0 5px #333,
        inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.lens-middle {
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 12px;
    padding: 6px;
}

.lens-inner {
    background: #1a1a1a;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8);
}

/* 取景器屏幕 */
.viewfinder-screen {
    width: 100%;
    aspect-ratio: 1;
    background: #000;
    position: relative;
    overflow: hidden;
}

#video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

#video.mirrored {
    transform: scaleX(-1);
}

/* 滤镜效果 */
#video.filter-vivid {
    filter: saturate(1.3) contrast(1.1);
}

#video.filter-film {
    filter: sepia(0.3) brightness(0.95) contrast(1.1);
}

#video.filter-bw {
    filter: grayscale(1);
}

#video.filter-warm {
    filter: sepia(0.3) hue-rotate(-10deg) saturate(1.2);
}

#video.filter-cool {
    filter: hue-rotate(10deg) saturate(1.1);
}

.preview-container {
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* 相机占位符 */
.camera-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    color: #888;
}

.placeholder-icon {
    font-size: 36px;
    margin-bottom: 8px;
    animation: camera-pulse 2s ease-in-out infinite;
}

@keyframes camera-pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

.placeholder-text {
    font-size: 12px;
    text-align: center;
    color: #aaa;
}

/* 自拍镜 */
.instax-selfie-mirror {
    width: 50px;
    height: 50px;
    background: linear-gradient(180deg, #333 0%, #222 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.mirror-inner {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #666 0%, #444 50%, #555 100%);
    border-radius: 5px;
    box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.2);
}

/* 品牌标识 */
.instax-brand {
    text-align: center;
    padding-top: 5px;
}

.brand-text {
    font-family: 'Arial', sans-serif;
    font-size: 20px;
    font-weight: bold;
    font-style: italic;
    color: #FF5277;
    letter-spacing: 2px;
}

.brand-mini {
    font-family: 'Arial', sans-serif;
    font-size: 12px;
    color: #999;
    margin-left: 5px;
    font-weight: normal;
}

/* 相机底部 */
.instax-bottom {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.photo-output {
    flex: 1;
    display: flex;
    justify-content: center;
}

.output-slot {
    width: 70%;
    height: 8px;
    background: linear-gradient(180deg, #222 0%, #111 100%);
    border-radius: 4px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 计数器 */
.instax-counter {
    width: 30px;
    height: 20px;
    background: #222;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #ff6b6b;
    font-weight: bold;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 相机贴纸 */
.camera-sticker {
    position: absolute;
    font-size: 20px;
    animation: sticker-float 3s ease-in-out infinite;
    z-index: 10;
}

.sticker-star {
    top: -8px;
    right: 15px;
    animation-delay: 0s;
}

.sticker-heart {
    bottom: 15px;
    left: -8px;
    animation-delay: 1s;
}

.sticker-flower {
    top: 50%;
    right: -10px;
    animation-delay: 2s;
}

@keyframes sticker-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-3px) rotate(5deg); }
    75% { transform: translateY(3px) rotate(-5deg); }
}

/* ==================== 镜像选项 ==================== */
.mirror-option {
    margin-top: 10px;
    text-align: center;
}

.mirror-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    user-select: none;
}

.mirror-checkbox input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #FFB5C5;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    background: white;
}

.mirror-checkbox input:checked + .checkbox-custom {
    background: #FF7A93;
    border-color: #FF7A93;
}

.mirror-checkbox input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.mirror-label {
    font-weight: 600;
}

/* ==================== 控制按钮样式 ==================== */
.camera-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 10px;
}

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Nunito', sans-serif;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

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

.btn-icon {
    font-size: 16px;
}

.btn-camera {
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 100%);
    color: #d63384;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-capture {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #20c997;
    border: 2px solid rgba(255, 255, 255, 0.5);
    animation: capture-glow 1.5s ease-in-out infinite;
}

@keyframes capture-glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(168, 237, 234, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(168, 237, 234, 0.8); }
}

.btn-stop {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #e67e22;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-save {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* ==================== 上传区域样式 ==================== */
.upload-section {
    margin-bottom: 20px;
    text-align: center;
    padding: 12px;
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.1) 0%, rgba(255, 218, 233, 0.1) 100%);
    border-radius: 20px;
    border: 2px dashed rgba(255, 182, 193, 0.4);
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #e67e22;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 15px rgba(252, 182, 159, 0.3);
    font-family: 'Nunito', sans-serif;
}

.upload-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(252, 182, 159, 0.5);
}

.upload-icon {
    font-size: 18px;
}

.upload-sparkle {
    animation: twinkle 1.5s ease-in-out infinite;
}

/* ==================== 相纸样式选择 ==================== */
.frame-selection, .background-selection, .layout-selection {
    margin-bottom: 20px;
}

.frame-options, .bg-options, .layout-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.frame-option, .bg-option, .layout-option {
    text-align: center;
    cursor: pointer;
    padding: 10px;
    border: 3px solid transparent;
    border-radius: 15px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.5);
}

.frame-option:hover, .bg-option:hover, .layout-option:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

.frame-option.active, .bg-option.active, .layout-option.active {
    border-color: #FF9A9E;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 15px rgba(255, 154, 158, 0.3);
}

.frame-preview, .bg-preview {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 10px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.frame-name, .bg-name, .layout-name {
    font-size: 12px;
    font-weight: 700;
    color: #666;
}

/* ==================== 排版模板预览样式 ==================== */
.layout-preview {
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: 10px;
    margin-bottom: 6px;
    background: linear-gradient(180deg, #f8f8f8 0%, #e8e8e8 100%);
    border: 2px solid #ddd;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.layout-dot {
    width: 12px;
    height: 14px;
    background: linear-gradient(180deg, #FFB6C1 0%, #FF69B4 100%);
    border-radius: 2px;
    position: absolute;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 网格排列预览 */
.layout-grid .layout-dot:nth-child(1) { top: 15%; left: 20%; }
.layout-grid .layout-dot:nth-child(2) { top: 15%; right: 20%; }
.layout-grid .layout-dot:nth-child(3) { bottom: 15%; left: 20%; }
.layout-grid .layout-dot:nth-child(4) { bottom: 15%; right: 20%; }

/* 横向排列预览 */
.layout-row .layout-dot:nth-child(1) { top: 50%; left: 15%; transform: translateY(-50%); }
.layout-row .layout-dot:nth-child(2) { top: 50%; left: 50%; transform: translate(-50%, -50%); }
.layout-row .layout-dot:nth-child(3) { top: 50%; right: 15%; transform: translateY(-50%); }

/* 纵向排列预览 */
.layout-column .layout-dot:nth-child(1) { top: 10%; left: 50%; transform: translateX(-50%); }
.layout-column .layout-dot:nth-child(2) { top: 50%; left: 50%; transform: translate(-50%, -50%); }
.layout-column .layout-dot:nth-child(3) { bottom: 10%; left: 50%; transform: translateX(-50%); }

/* 对角线预览 */
.layout-diagonal .layout-dot:nth-child(1) { top: 15%; left: 15%; transform: rotate(-15deg); }
.layout-diagonal .layout-dot:nth-child(2) { top: 50%; left: 50%; transform: translate(-50%, -50%) rotate(-15deg); }
.layout-diagonal .layout-dot:nth-child(3) { bottom: 15%; right: 15%; transform: rotate(-15deg); }

/* 环形排列预览 */
.layout-circle .layout-dot:nth-child(1) { top: 10%; left: 50%; transform: translateX(-50%); }
.layout-circle .layout-dot:nth-child(2) { top: 50%; right: 10%; transform: translateY(-50%); }
.layout-circle .layout-dot:nth-child(3) { bottom: 10%; left: 50%; transform: translateX(-50%); }
.layout-circle .layout-dot:nth-child(4) { top: 50%; left: 10%; transform: translateY(-50%); }

/* 随机散落预览 */
.layout-scatter .layout-dot:nth-child(1) { top: 20%; left: 25%; transform: rotate(10deg); }
.layout-scatter .layout-dot:nth-child(2) { top: 40%; right: 20%; transform: rotate(-8deg); }
.layout-scatter .layout-dot:nth-child(3) { bottom: 20%; left: 40%; transform: rotate(5deg); }

/* 相纸样式预览 */
.frame-bear {
    background: linear-gradient(180deg, #FFF5E6 0%, #FFE4C4 100%);
    border: 3px solid #DEB887;
    position: relative;
}

.frame-bear::before {
    content: '🐾';
    position: absolute;
    bottom: 5px;
    right: 5px;
    font-size: 12px;
    opacity: 0.5;
}

.frame-rainbow {
    background: linear-gradient(180deg, 
        #ff9a9e 0%, 
        #fecfef 20%, 
        #ffecd2 40%, 
        #a8edea 60%, 
        #d299c2 80%, 
        #fef9d7 100%);
    border: 3px solid #fecfef;
}

.frame-flower {
    background: linear-gradient(180deg, #FFE4EC 0%, #FFCCD5 100%);
    border: 3px solid #FFB6C1;
    position: relative;
}

.frame-flower::before {
    content: '🌸';
    position: absolute;
    bottom: 5px;
    left: 5px;
    font-size: 12px;
    opacity: 0.6;
}

.frame-flower::after {
    content: '🌸';
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 12px;
    opacity: 0.6;
}

.frame-custom {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border: 3px dashed #ccc;
}

/* 纯色相纸选项 - 仅预览样式 */
.frame-preview.frame-solid-color,
.modal-frame-preview.frame-solid-color {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 50%, #e8e8e8 100%);
    border: 3px solid #ddd;
    position: relative;
}

.frame-preview.frame-solid-color::after,
.modal-frame-preview.frame-solid-color::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: conic-gradient(
        #ff6b6b, #feca57, #48dbfb, #ff9ff3, #54a0ff, #5f27cd, #ff6b6b
    );
    border-radius: 50%;
    opacity: 0.6;
}

/* 海洋蓝相纸 */
.frame-ocean {
    background: linear-gradient(180deg, #E0F7FA 0%, #B2EBF2 50%, #80DEEA 100%);
    border: 3px solid #4DD0E1;
    position: relative;
}

.frame-ocean::before {
    content: '🌊';
    position: absolute;
    bottom: 5px;
    right: 5px;
    font-size: 12px;
    opacity: 0.6;
}

/* 糖果屋相纸 */
.frame-candy {
    background: linear-gradient(135deg, #FFE4E1 0%, #FFC1CC 25%, #FFB6C1 50%, #DDA0DD 75%, #E6E6FA 100%);
    border: 3px solid #FFB6C1;
    position: relative;
}

.frame-candy::before {
    content: '🍭';
    position: absolute;
    bottom: 5px;
    left: 5px;
    font-size: 12px;
    opacity: 0.6;
}

/* 薰衣草相纸 */
.frame-lavender {
    background: linear-gradient(180deg, #F3E5F5 0%, #E1BEE7 50%, #CE93D8 100%);
    border: 3px solid #BA68C8;
    position: relative;
}

.frame-lavender::before {
    content: '✿';
    position: absolute;
    bottom: 5px;
    right: 5px;
    font-size: 12px;
    opacity: 0.5;
    color: #9C27B0;
}

/* 柠檬黄相纸 */
.frame-lemon {
    background: linear-gradient(180deg, #FFFDE7 0%, #FFF9C4 50%, #FFF59D 100%);
    border: 3px solid #FFEE58;
    position: relative;
}

.frame-lemon::before {
    content: '☀️';
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 12px;
    opacity: 0.6;
}

/* 薄荷绿相纸 */
.frame-mint {
    background: linear-gradient(180deg, #E8F5E9 0%, #C8E6C9 50%, #A5D6A7 100%);
    border: 3px solid #81C784;
    position: relative;
}

.frame-mint::before {
    content: '🌿';
    position: absolute;
    bottom: 5px;
    left: 5px;
    font-size: 12px;
    opacity: 0.6;
}

/* 背景样式预览 */
.bg-preview {
    aspect-ratio: 16/10;
}

.bg-starry {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
}

.bg-starry::before {
    content: '✨';
    position: absolute;
    top: 8px;
    left: 12px;
    font-size: 10px;
}

.bg-starry::after {
    content: '⭐';
    position: absolute;
    bottom: 12px;
    right: 8px;
    font-size: 8px;
}

.bg-cloud {
    background: linear-gradient(180deg, #89CFF0 0%, #A7D8FF 50%, #C9E4FF 100%);
    position: relative;
}

.bg-cloud::before {
    content: '☁️';
    position: absolute;
    top: 6px;
    right: 10px;
    font-size: 12px;
}

.bg-meadow {
    background: linear-gradient(180deg, #98FB98 0%, #90EE90 50%, #7CFC00 100%);
    position: relative;
}

.bg-meadow::before {
    content: '🌼';
    position: absolute;
    bottom: 6px;
    left: 8px;
    font-size: 10px;
}

.bg-meadow::after {
    content: '🦋';
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 10px;
}

.bg-custom-upload {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border: 3px dashed #ccc;
}

/* 纯色背景选项 - 仅预览样式 */
.bg-preview.bg-solid-color {
    background: linear-gradient(135deg, #fff 0%, #f8f8f8 50%, #f0f0f0 100%);
    border: 3px solid #ddd;
    position: relative;
}

.bg-preview.bg-solid-color::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: conic-gradient(
        #ff6b6b, #feca57, #48dbfb, #ff9ff3, #54a0ff, #5f27cd, #ff6b6b
    );
    border-radius: 50%;
    opacity: 0.6;
}

/* 晚霞橙背景预览 */
.bg-sunset {
    background: linear-gradient(180deg, #FF6B6B 0%, #FF8E53 30%, #FFA726 60%, #FFD54F 100%);
    position: relative;
}

.bg-sunset::before {
    content: '☀️';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
}

/* 极光紫背景预览 */
.bg-aurora {
    background: linear-gradient(180deg, #0D0D2B 0%, #1A1A4E 20%, #4A148C 50%, #7B1FA2 70%, #E040FB 100%);
    position: relative;
}

.bg-aurora::before {
    content: '✨';
    position: absolute;
    top: 6px;
    left: 10px;
    font-size: 10px;
}

.bg-aurora::after {
    content: '💫';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 8px;
}

/* 沙滩海背景预览 */
.bg-beach {
    background: linear-gradient(180deg, #87CEEB 0%, #87CEEB 40%, #00BCD4 40%, #00ACC1 60%, #F5DEB3 60%, #DEB887 100%);
    position: relative;
}

.bg-beach::before {
    content: '🐚';
    position: absolute;
    bottom: 6px;
    left: 10px;
    font-size: 10px;
}

/* 森林绿背景预览 */
.bg-forest {
    background: linear-gradient(180deg, #1B5E20 0%, #2E7D32 30%, #388E3C 50%, #43A047 70%, #66BB6A 100%);
    position: relative;
}

.bg-forest::before {
    content: '🌲';
    position: absolute;
    bottom: 6px;
    left: 8px;
    font-size: 12px;
}

.bg-forest::after {
    content: '🌲';
    position: absolute;
    bottom: 6px;
    right: 8px;
    font-size: 10px;
}

/* 樱花季背景预览 */
.bg-cherry {
    background: linear-gradient(180deg, #FCE4EC 0%, #F8BBD9 30%, #F48FB1 60%, #F06292 100%);
    position: relative;
}

.bg-cherry::before {
    content: '🌸';
    position: absolute;
    top: 6px;
    left: 10px;
    font-size: 10px;
}

.bg-cherry::after {
    content: '🌸';
    position: absolute;
    bottom: 8px;
    right: 10px;
    font-size: 8px;
}

/* ==================== 右侧照片墙 ==================== */
.right-panel {
    flex: 1;
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    border: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.photo-wall-header {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    z-index: 20;
}

.photo-wall-header h2 {
    display: none;
}

.header-buttons {
    display: flex;
    gap: 10px;
}

.operation-tips {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    text-align: center;
    z-index: 20;
    backdrop-filter: blur(5px);
}

/* 照片墙 */
.photo-wall {
    flex: 1;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    height: 100vh;
    box-shadow: none;
}

/* 星空背景 */
.bg-starry-wall {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

/* 云朵背景 */
.bg-cloud-wall {
    background: linear-gradient(180deg, #89CFF0 0%, #A7D8FF 50%, #C9E4FF 100%);
}

/* 晚霞橙背景 */
.bg-sunset-wall {
    background: linear-gradient(180deg, #FF6B6B 0%, #FF8E53 30%, #FFA726 60%, #FFD54F 100%);
}

/* 极光紫背景 */
.bg-aurora-wall {
    background: linear-gradient(180deg, #0D0D2B 0%, #1A1A4E 20%, #4A148C 50%, #7B1FA2 70%, #E040FB 100%);
}

/* 沙滩海背景 */
.bg-beach-wall {
    background: linear-gradient(180deg, #87CEEB 0%, #87CEEB 30%, #00BCD4 30%, #00ACC1 50%, #F5DEB3 50%, #DEB887 100%);
}

/* 森林绿背景 */
.bg-forest-wall {
    background: linear-gradient(180deg, #1B5E20 0%, #2E7D32 30%, #388E3C 50%, #43A047 70%, #66BB6A 100%);
}

/* 樱花季背景 */
.bg-cherry-wall {
    background: linear-gradient(180deg, #FCE4EC 0%, #F8BBD9 30%, #F48FB1 60%, #F06292 100%);
}

/* 草地背景 */
.bg-meadow-wall {
    background: linear-gradient(180deg, #87CEEB 0%, #87CEEB 40%, #98FB98 40%, #7CFC00 100%);
}

/* 背景装饰 */
.wall-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.deco-star {
    position: absolute;
    animation: float-star 4s ease-in-out infinite;
}

.deco-1 { top: 10%; left: 15%; animation-delay: 0s; font-size: 20px; }
.deco-2 { top: 25%; right: 20%; animation-delay: 1s; font-size: 16px; }
.deco-3 { bottom: 30%; left: 10%; animation-delay: 2s; font-size: 18px; }
.deco-4 { top: 50%; right: 10%; animation-delay: 0.5s; font-size: 14px; }

.deco-moon {
    position: absolute;
    top: 8%;
    right: 8%;
    font-size: 35px;
    animation: moon-glow 3s ease-in-out infinite;
}

@keyframes float-star {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.8; }
    50% { transform: translateY(-10px) rotate(180deg); opacity: 1; }
}

@keyframes moon-glow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(255, 255, 200, 0.5)); }
    50% { filter: drop-shadow(0 0 20px rgba(255, 255, 200, 0.8)); }
}

/* 空状态 */
.empty-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    z-index: 1;
}

.empty-icon {
    font-size: 50px;
    margin-bottom: 10px;
    animation: camera-pulse 2s ease-in-out infinite;
}

.empty-text {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.empty-hint {
    font-size: 14px;
    opacity: 0.8;
}

/* ==================== 拍立得照片样式 ==================== */
.polaroid {
    position: absolute;
    cursor: grab;
    user-select: none;
    transition: box-shadow 0.2s ease;
    z-index: 1;
}

.polaroid:hover {
    z-index: 10;
}

.polaroid.dragging {
    cursor: grabbing;
    opacity: 0.9;
    z-index: 100;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* 旋转手柄 */
.rotate-handle {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 100%);
    border-radius: 50%;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 5;
}

.polaroid:hover .rotate-handle {
    opacity: 1;
}

.rotate-handle:hover {
    transform: translateX(-50%) scale(1.1);
}

.rotate-handle:active {
    cursor: grabbing;
}

/* 缩放手柄 */
.resize-handle {
    position: absolute;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    border: 2px solid white;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 6;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.polaroid:hover .resize-handle {
    opacity: 1;
}

.resize-handle:hover {
    transform: scale(1.2);
    background: linear-gradient(135deg, #98ddd9 0%, #fec6d3 100%);
}

.resize-handle-nw {
    top: -8px;
    left: -8px;
    cursor: nw-resize;
}

.resize-handle-ne {
    top: -8px;
    right: -8px;
    cursor: ne-resize;
}

.resize-handle-sw {
    bottom: -8px;
    left: -8px;
    cursor: sw-resize;
}

.resize-handle-se {
    bottom: -8px;
    right: -8px;
    cursor: se-resize;
}

/* 可爱相纸样式 */
.polaroid-inner {
    width: 170px;
    height: 240px;
    padding: 10px 10px 60px 10px;
    /* box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.5); */
    /* border-radius: 6px; */
    position: relative;
    box-sizing: border-box;
    transform-origin: top left;
    overflow: hidden;
}

/* 小熊相纸 */
.polaroid-inner.frame-bear {
    background: linear-gradient(180deg, #FFF5E6 0%, #FFE4C4 100%);
    border: 2px solid #DEB887;
}

.polaroid-inner.frame-bear::before {
    content: '🧸';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-bear::after {
    content: '🐾🐾';
    position: absolute;
    top: 194px;
    right: 8px;
    font-size: 8px;
    letter-spacing: 1px;
    z-index: 1;
}

/* 彩虹相纸 */
.polaroid-inner.frame-rainbow {
    background: linear-gradient(180deg, 
        rgba(255, 154, 158, 0.3) 0%, 
        rgba(254, 207, 239, 0.3) 20%, 
        rgba(255, 236, 210, 0.3) 40%, 
        rgba(168, 237, 234, 0.3) 60%, 
        rgba(210, 153, 194, 0.3) 80%, 
        rgba(254, 249, 215, 0.3) 100%),
        white;
    border: 2px solid #fecfef;
}

.polaroid-inner.frame-rainbow::before {
    content: '🌈';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-rainbow::after {
    content: '✨💖';
    position: absolute;
    top: 194px;
    right: 8px;
    font-size: 10px;
    z-index: 1;
}

/* 樱花相纸 */
.polaroid-inner.frame-flower {
    background: linear-gradient(180deg, #FFE4EC 0%, #FFCCD5 100%);
    border: 2px solid #FFB6C1;
}

.polaroid-inner.frame-flower::before {
    content: '🌸';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-flower::after {
    content: '🌸';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    z-index: 1;
}

/* 自定义相纸 */
.polaroid-inner.frame-custom {
    background-size: cover;
    background-position: center;
}

/* 海洋蓝相纸 */
.polaroid-inner.frame-ocean {
    background: linear-gradient(180deg, #E0F7FA 0%, #B2EBF2 50%, #80DEEA 100%);
    border: 2px solid #4DD0E1;
}

.polaroid-inner.frame-ocean::before {
    content: '🐚';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-ocean::after {
    content: '🐠';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    z-index: 1;
}

/* 糖果屋相纸 */
.polaroid-inner.frame-candy {
    background: linear-gradient(135deg, #FFE4E1 0%, #FFC1CC 25%, #FFB6C1 50%, #DDA0DD 75%, #E6E6FA 100%);
    border: 2px solid #FFB6C1;
}

.polaroid-inner.frame-candy::before {
    content: '🍬';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-candy::after {
    content: '🍭';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    z-index: 1;
}

/* 薰衣草相纸 */
.polaroid-inner.frame-lavender {
    background: linear-gradient(180deg, #F3E5F5 0%, #E1BEE7 50%, #CE93D8 100%);
    border: 2px solid #BA68C8;
}

.polaroid-inner.frame-lavender::before {
    content: '💜';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-lavender::after {
    content: '✿';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    color: #9C27B0;
    z-index: 1;
}

/* 柠檬黄相纸 */
.polaroid-inner.frame-lemon {
    background: linear-gradient(180deg, #FFFDE7 0%, #FFF9C4 50%, #FFF59D 100%);
    border: 2px solid #FFEE58;
}

.polaroid-inner.frame-lemon::before {
    content: '🍋';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-lemon::after {
    content: '☀️';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    z-index: 1;
}

/* 薄荷绿相纸 */
.polaroid-inner.frame-mint {
    background: linear-gradient(180deg, #E8F5E9 0%, #C8E6C9 50%, #A5D6A7 100%);
    border: 2px solid #81C784;
}

.polaroid-inner.frame-mint::before {
    content: '🍃';
    position: absolute;
    top: 192px;
    left: 8px;
    font-size: 14px;
    z-index: 1;
}

.polaroid-inner.frame-mint::after {
    content: '🌿';
    position: absolute;
    top: 192px;
    right: 8px;
    font-size: 14px;
    z-index: 1;
}

/* 纯色相纸样式 */
.polaroid-inner.frame-solid-color {
    /* border: 2px solid rgba(0, 0, 0, 0.1); */
    /* box-shadow: 
        inset 0 0 15px rgba(0, 0, 0, 0.03),
        0 4px 15px rgba(0, 0, 0, 0.1); */
}

.polaroid-img {
    width: 150px;
    height: 180px;
    object-fit: cover;
    display: block;
    box-sizing: border-box;
    max-width: 100%;
    /* border-radius: 3px; */
    /* box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.1); */
}

/* 相纸底部文字输入区域 */
.polaroid-caption {
    position: absolute;
    bottom: 3px;
    left: 5px;
    right: 5px;
    height: 42px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    z-index: 2;
}

.caption-row {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
}

.caption-input {
    width: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-family: 'Nunito', 'Comic Sans MS', cursive;
    font-size: 11px;
    font-weight: 600;
    color: #666;
    outline: none;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.caption-input:hover {
    background: rgba(255, 255, 255, 0.5);
}

.caption-input:focus {
    background: rgba(255, 255, 255, 0.8);
}

.caption-input::placeholder {
    color: transparent;
    font-style: italic;
}

.polaroid:hover .caption-input::placeholder,
.caption-input:focus::placeholder {
    color: #aaa;
}

.caption-style-btn {
    position: absolute;
    right: 0;
    width: 18px;
    height: 18px;
    border: none;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    cursor: pointer;
    font-size: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0;
    pointer-events: none;
}

.caption-row:hover .caption-style-btn,
.caption-input:focus ~ .caption-style-btn,
.caption-style-btn:focus {
    opacity: 1;
    pointer-events: auto;
}

.caption-style-btn:hover {
    background: rgba(255, 154, 158, 0.8);
    transform: scale(1.1);
}

.caption-date-input {
    width: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-size: 9px;
    color: #999;
    font-family: 'Nunito', sans-serif;
    outline: none;
    padding: 1px 4px;
    border-radius: 3px;
    transition: background 0.2s ease;
}

.caption-date-input:hover {
    background: rgba(255, 255, 255, 0.5);
}

.caption-date-input:focus {
    background: rgba(255, 255, 255, 0.8);
}

.caption-date-input::placeholder {
    color: transparent;
    font-style: italic;
}

.polaroid:hover .caption-date-input::placeholder,
.caption-date-input:focus::placeholder {
    color: #bbb;
}

/* 照片控制按钮 */
.polaroid-controls {
    position: absolute;
    top: -36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 10px;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.polaroid:hover .polaroid-controls {
    opacity: 1;
}

.control-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 100%);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.control-btn:hover {
    background: linear-gradient(135deg, #FF7A8A 0%, #FEBFDF 100%);
    transform: scale(1.15);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* ==================== 弹窗样式 ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 20px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modal-pop 0.3s ease;
}

@keyframes modal-pop {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.modal-header h3 {
    color: #e75480;
    font-size: 18px;
}

.modal-close {
    width: 30px;
    height: 30px;
    border: none;
    background: #f0f0f0;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #FF9A9E;
    color: white;
}

.modal-frame-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
}

.modal-frame-option {
    text-align: center;
    padding: 12px;
    border: 3px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #f8f8f8;
}

.modal-frame-option:hover {
    border-color: #FFB6C1;
    background: #fff;
}

.modal-frame-preview {
    width: 60px;
    height: 60px;
    margin: 0 auto 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.modal-frame-option span {
    font-size: 12px;
    color: #666;
    font-weight: 600;
}

/* ==================== 滚动条样式 ==================== */
.left-panel::-webkit-scrollbar {
    width: 6px;
}

.left-panel::-webkit-scrollbar-track {
    background: rgba(255, 182, 193, 0.1);
    border-radius: 10px;
}

.left-panel::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FFB6C1 0%, #FF69B4 100%);
    border-radius: 10px;
}

.left-panel::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FF69B4 0%, #FF1493 100%);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .left-panel {
        flex: 0 0 360px;
        width: 360px;
    }
    
    .left-panel.collapsed {
        margin-left: -360px;
    }
    
    .toggle-panel-btn {
        left: 360px;
    }
    
    .toggle-panel-btn.collapsed {
        left: 0;
    }
    
    .instax-camera {
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .left-panel {
        flex: 0 0 320px;
        width: 320px;
        padding: 15px;
    }
    
    .left-panel.collapsed {
        margin-left: -320px;
    }
    
    .toggle-panel-btn {
        left: 320px;
    }
    
    .toggle-panel-btn.collapsed {
        left: 0;
    }
    
    .left-panel h1 {
        font-size: 20px;
    }
    
    .frame-options, .bg-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .btn {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .instax-camera {
        max-width: 260px;
    }
}

@media (max-width: 480px) {
    .container {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
    
    .left-panel {
        flex: 0 0 auto;
        width: 100%;
        max-height: 60vh;
        overflow-y: auto;
        border-radius: 0;
        border-right: none;
        border-bottom: 3px solid rgba(255, 182, 193, 0.3);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .left-panel.collapsed {
        margin-left: 0;
        margin-top: -60vh;
        max-height: 60vh;
    }
    
    .toggle-panel-btn {
        left: 50%;
        top: auto;
        bottom: calc(40vh - 30px);
        transform: translateX(-50%) rotate(90deg);
        width: 36px;
        height: 60px;
        border-radius: 0 20px 20px 0;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .toggle-panel-btn.collapsed {
        left: 50%;
        top: 0;
        bottom: auto;
        transform: translateX(-50%) rotate(90deg);
    }
    
    .photo-wall {
        flex: 1;
        min-height: 40vh;
        height: auto;
    }
    
    .instax-camera {
        max-width: 240px;
    }
    
    .photo-wall-header {
        top: 10px;
        right: 10px;
    }
    
    .operation-tips {
        bottom: 10px;
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* ==================== 拍照闪光效果 ==================== */
.flash-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    animation: flash 0.3s ease-out;
}

@keyframes flash {
    0% { opacity: 0.9; }
    100% { opacity: 0; }
}

/* ==================== 照片弹出动画 ==================== */
.polaroid.photo-pop {
    animation: photo-pop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes photo-pop {
    0% { 
        transform: scale(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.1) rotate(-5deg);
    }
    100% { 
        transform: scale(1) rotate(var(--rotate, 0deg));
        opacity: 1;
    }
}

/* ==================== 图片裁剪弹窗样式 ==================== */
.crop-modal-content {
    max-width: 550px;
}

.crop-tips {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(255, 154, 158, 0.1);
    border-radius: 8px;
}

.crop-container {
    margin-bottom: 15px;
}

.crop-image-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    background: #1a1a1a;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#cropImage {
    max-width: 100%;
    max-height: 100%;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center center;
    transition: transform 0.1s ease;
}

.crop-box {
    position: absolute;
    width: 170px;
    height: 240px;
    border: 3px solid #FF9A9E;
    background: transparent;
    cursor: move;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.6);
    border-radius: 6px;
    pointer-events: auto;
}

.crop-box-inner {
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    box-sizing: border-box;
}

/* 旋转控制 */
.crop-rotate-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 154, 158, 0.1);
    border-radius: 10px;
}

.rotate-label {
    font-size: 13px;
    font-weight: 600;
    color: #666;
}

.rotate-slider {
    width: 180px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(90deg, #FFB6C1, #FF69B4);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.rotate-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 100%);
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.rotate-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.rotate-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 100%);
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.rotate-value {
    min-width: 45px;
    font-size: 13px;
    font-weight: 700;
    color: #FF69B4;
    text-align: center;
}

.crop-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* ==================== 文字样式弹窗 ==================== */
.caption-style-modal-content {
    max-width: 380px;
}

.style-section {
    margin-bottom: 15px;
}

.style-label {
    font-size: 13px;
    font-weight: 700;
    color: #e75480;
    margin-bottom: 8px;
}

/* 字体选项 */
.font-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.font-option {
    padding: 8px 6px;
    background: #f8f8f8;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.font-option:hover {
    background: #fff;
    border-color: #FFB6C1;
}

.font-option.active {
    background: #fff;
    border-color: #FF9A9E;
    box-shadow: 0 2px 8px rgba(255, 154, 158, 0.3);
}

/* 颜色选项 */
.color-options {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 10px;
}

.text-color-option {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text-color-option:hover {
    transform: scale(1.15);
    border-color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.text-color-option.active {
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.5);
    transform: scale(1.1);
}

.custom-color-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 8px;
}

.custom-color-row input[type="color"] {
    width: 40px;
    height: 30px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
}

.custom-color-row span {
    font-size: 11px;
    color: #888;
    font-family: monospace;
}

/* 倾斜选项 */
.italic-options {
    display: flex;
    gap: 10px;
}

.italic-option {
    flex: 1;
    padding: 10px;
    background: #f8f8f8;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    font-size: 13px;
    transition: all 0.2s ease;
}

.italic-option:hover {
    background: #fff;
    border-color: #FFB6C1;
}

.italic-option.active {
    background: #fff;
    border-color: #FF9A9E;
    box-shadow: 0 2px 8px rgba(255, 154, 158, 0.3);
}

/* 预览区域 */
.style-preview-section {
    margin-bottom: 15px;
}

.caption-preview {
    padding: 15px;
    background: linear-gradient(135deg, #FFF5E6 0%, #FFE4C4 100%);
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    border: 2px solid #DEB887;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.style-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}