/* ============================================
   3D 滑板定制器 - 风格统一版
   与 Skateboard Hub 网站保持一致
   ============================================ */

/* CSS 变量 - 与网站统一 */
:root {
    --primary: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-hover: rgba(255, 255, 255, 0.2);
    --accent: #B8FC39;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 背景 - 中灰色纹理 */
html {
    background-color: #3a3a3a;
    background-image: 
        /* 适中噪点纹理 */
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.55' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.18'/%3E%3C/svg%3E"),
        /* 径向渐变 - 中心稍亮 */
        radial-gradient(ellipse at 50% 50%, rgba(65, 65, 65, 0.4) 0%, rgba(45, 45, 45, 0.5) 50%, rgba(30, 30, 30, 0.6) 100%);
    background-size: 300px 300px, cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: repeat, no-repeat;
    position: relative;
    width: 100vw;
    height: 100vh;
}

html::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        /* 顶部暗角 */
        radial-gradient(ellipse at 50% 0%, rgba(0,0,0,0.3) 0%, transparent 50%),
        /* 底部暗角 */
        radial-gradient(ellipse at 50% 100%, rgba(0,0,0,0.4) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

body {
    font-family: 'FK Grotesk Trial Regular', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

/* ============================================
   页面过场动画
   ============================================ */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.page-transition-overlay.active {
    pointer-events: all;
    opacity: 1;
}

.transition-bear {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    width: 200px;
    height: 200px;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-bear.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.transition-bear img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.6));
}

/* ============================================
   Logo 固定定位
   ============================================ */
.logo-fixed {
    position: fixed;
    top: 20px;
    left: 60px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-fixed:hover {
    opacity: 0.8;
}

.bear-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* ============================================
   主内容区
   ============================================ */
.main-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* ============================================
   左侧：3D 预览区
   ============================================ */
.preview-section {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#canvas-container {
    width: 100%;
    height: 100%;
}

#canvas-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* 视角切换按钮 */
.view-controls {
    position: absolute;
    top: 30px;
    left: 30px;
    display: flex;
    gap: 10px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 8px;
}

.view-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--accent);
    color: #1a1a1a;
}

/* ============================================
   右侧：定制面板
   ============================================ */
.customize-panel {
    width: 380px;
    height: calc(100vh - 20px);
    margin: 10px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 面板头部 */
.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.panel-header h1 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 定制内容区 - 可滚动 */
.customize-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px 30px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.customize-content::-webkit-scrollbar {
    width: 4px;
}

.customize-content::-webkit-scrollbar-track {
    background: transparent;
}

.customize-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

/* 章节 */
.section {
    margin-bottom: 16px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* 板面选项 - 小圆形样式 */
.deck-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.deck-item {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    position: relative;
    background: var(--glass-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3), inset 0 1px 2px rgba(255,255,255,0.2);
}

.deck-item:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4), inset 0 1px 2px rgba(255,255,255,0.3);
}

.deck-item.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 252, 57, 0.3), 0 3px 8px rgba(0,0,0,0.4);
}

.deck-preview {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #e8d5b7;
}

.deck-name {
    padding: 8px 4px;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    background: rgba(40, 30, 30, 0.9);
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 上传占位符 */
.upload-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 2px dashed var(--glass-border);
}

.upload-placeholder .upload-icon {
    font-size: 32px;
    opacity: 0.7;
}

.deck-item:hover .upload-placeholder {
    border-color: var(--accent);
    background: var(--glass-hover);
}

/* 独立上传区域 */
.upload-section {
    display: flex;
    justify-content: center;
}

.upload-item {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    background: var(--glass-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-item:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4), inset 0 1px 2px rgba(255,255,255,0.3);
}

.upload-item.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 252, 57, 0.3), 0 3px 8px rgba(0,0,0,0.4);
}

.upload-preview {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-preview.upload-placeholder {
    background: var(--glass-bg);
    border: 2px dashed var(--glass-border);
    border-radius: 50%;
}

.upload-preview .upload-icon {
    font-size: 18px;
    opacity: 0.7;
}

.upload-item:hover .upload-placeholder {
    border-color: var(--accent);
    background: var(--glass-hover);
}

.upload-label {
    display: none;
}

/* 颜色选项 - 支架/螺丝 */
.color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.color-item {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
}

.color-item:hover {
    transform: scale(1.1);
}

.color-item.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 252, 57, 0.2), inset 0 2px 6px rgba(0,0,0,0.3);
}

.color-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

/* 轮子选项 - 小圆形样式 */
#wheel-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wheel-item {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3), inset 0 1px 2px rgba(255,255,255,0.2);
    overflow: hidden;
}

.wheel-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.4);
    z-index: 1;
}

.wheel-item:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4), inset 0 1px 2px rgba(255,255,255,0.3);
}

.wheel-item.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(184, 252, 57, 0.3), 0 3px 8px rgba(0,0,0,0.4);
}

/* ============================================
   面板底部
   ============================================ */
.panel-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 10px;
}

.btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-reset {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-reset:hover {
    background: var(--glass-hover);
}

.btn-save {
    background: var(--accent);
    color: #1a1a1a;
}

.btn-save:hover {
    background: #c5ff5c;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(184, 252, 57, 0.3);
}

/* ============================================
   加载遮罩
   ============================================ */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    text-align: center;
}

.loader-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    animation: pulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
    margin-bottom: 20px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.loader p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============================================
   Toast 动画
   ============================================ */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }
    
    .customize-panel {
        width: 100%;
        height: 50vh;
        border-left: none;
        border-top: 1px solid var(--glass-border);
    }
    
    .preview-section {
        height: 50vh;
    }
    
    .logo-fixed {
        left: 20px;
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    
    .customize-panel {
        height: 60vh;
    }
    
    .preview-section {
        height: 40vh;
    }
    
    .deck-options {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .view-controls {
        top: 20px;
        left: 20px;
    }
    
    .view-btn {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}
/* UV调试工具样式 */
.uv-debug-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid rgba(184, 252, 57, 0.3);
}

.uv-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uv-control-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.uv-control-row label {
    width: 120px;
    font-size: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.uv-control-row input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--glass-bg);
    border-radius: 3px;
    outline: none;
}

.uv-control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.uv-control-row span {
    width: 50px;
    text-align: right;
    font-size: 12px;
    font-family: monospace;
    color: var(--accent);
}

.uv-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--glass-border);
}

.uv-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.uv-btn-reset {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.uv-btn-reset:hover {
    background: var(--glass-hover);
}

.uv-btn-copy {
    background: rgba(184, 252, 57, 0.2);
    color: var(--accent);
}

.uv-btn-copy:hover {
    background: rgba(184, 252, 57, 0.3);
}

.uv-btn-apply {
    background: var(--accent);
    color: #1a1a1a;
}

.uv-btn-apply:hover {
    background: #c5ff5c;
}

.uv-info {
    margin-top: 8px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
}

.uv-info code {
    color: var(--accent);
    font-size: 11px;
    word-break: break-all;
}