@import url('https://registry.npmmirror.com/@fontsource/cinzel/5.2.6/files/700.css');
@import url('https://registry.npmmirror.com/@fontsource/great-vibes/5.2.6/files/400.css');
@import url('https://registry.npmmirror.com/@fontsource/monoton/5.2.6/files/400.css');
@import url('https://registry.npmmirror.com/@fontsource/abril-fatface/5.2.6/files/400.css');
@import url('https://registry.npmmirror.com/@fontsource/ma-shan-zheng/5.2.6/files/400.css');

/* --- 基础样式 --- */
body {
    margin: 0;
    overflow: hidden;
    background-color: #000000;
    font-family: 'Songti SC', 'SimSun', serif;
}

#canvas-container {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* --- UI 层 --- */
#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

/* 隐藏动画类 */
.panel-hidden {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateX(-20px);
}

.hidden {
    display: none !important;
}

/* 按钮样式 */
.elegant-btn {
    background: rgba(10, 10, 10, 0.85);
    border: 1px solid rgba(212, 175, 55, 0.4);
    color: #d4af37;
    padding: 8px 12px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 11px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    text-decoration: none;
    min-width: 100px;
    font-family: 'Microsoft YaHei', sans-serif;
    pointer-events: auto;
    border-radius: 2px;
    box-sizing: border-box;
}

.elegant-btn:hover {
    background: #d4af37;
    color: #000;
    border-color: #d4af37;
}

.elegant-btn input[type="file"] {
    display: none !important;
}

.btn-red {
    border-color: #844;
    color: #eaa;
}

.btn-red:hover {
    background: #922;
    color: #fff;
}

#play-pause-btn {
    width: 100%;
    margin-bottom: 6px;
    font-weight: bold;
    border-color: #d4af37;
    padding: 8px;
}

/* --- 标题 (可拖拽) --- */
#title-container {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    pointer-events: auto;
    cursor: move;
    z-index: 50;
    transition: color 0.2s;
    user-select: none;
    padding: 10px;
}

.title-line {
    margin: 0;
    transition: all 0.2s ease;
    white-space: nowrap;
    color: #fceea7;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

/* --- 左侧侧边栏容器 (V16.4 新增：用于自动对齐) --- */
#left-sidebar {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 200px;
    display: flex;
    flex-direction: column;
    gap: 8px; /* 减小间距 */
    pointer-events: none; /* 让容器不阻挡，内部元素单独开启 */
    z-index: 20;
    max-height: calc(100vh - 170px); /* 优化底部预留空间 (底部面板约150px) */
    overflow-y: auto;
    padding-right: 4px; /* 防止滚动条遮挡内容 */
}

/* 自定义滚动条样式，确保用户能看到 */
#left-sidebar::-webkit-scrollbar {
    width: 4px;
    display: block; /* 确保显示 */
}

#left-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

#left-sidebar::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.3);
    border-radius: 2px;
}

#left-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 175, 55, 0.6);
}

/* --- 左上角：设置面板 (放在侧边栏内) --- */
.top-left-panel {
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    gap: 6px; /* 紧凑布局 */
    background: rgba(5, 5, 5, 0.8);
    padding: 10px; /* 减小内边距 */
    border-radius: 4px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(8px);
    transition: all 0.4s ease;
    font-family: 'Microsoft YaHei', sans-serif;
    width: 100%;
    box-sizing: border-box; /* 填满侧边栏 */
}

.panel-header {
    color: #888;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 4px;
    margin-bottom: 2px;
    font-size: 10px;
    letter-spacing: 1px;
}

.control-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.control-label {
    color: #aaa;
    font-size: 10px;
}

.input-dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #444;
    color: #eebb66;
    padding: 4px 6px;
    font-size: 11px;
    outline: none;
    transition: 0.2s;
    border-radius: 2px;
}

.input-dark:focus {
    border-color: #d4af37;
    background: rgba(255, 255, 255, 0.1);
}

input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 100%;
    height: 20px;
    cursor: pointer;
    padding: 0;
    background: none;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    outline: none;
    margin-top: 4px;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    background: #d4af37;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid #000;
}

select.input-dark {
    cursor: pointer;
    appearance: none;
}

select.input-dark option {
    background: #000;
    color: #d4af37;
    padding: 5px;
}

/* --- 手势交互指引 (V16.4 修改：网格布局) --- */
.left-gesture-panel {
    pointer-events: none;
    opacity: 0.9;
    transition: all 0.4s ease;
    display: grid;
    grid-template-columns: 1fr 1fr; /* 两排 */
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.gesture-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    padding: 8px 4px;
    color: #d4af37;
    font-family: 'Microsoft YaHei', sans-serif;
    font-size: 10px;
}

.gesture-icon {
    font-size: 18px;
    margin-bottom: 2px;
    filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.5));
}

.gesture-text {
    opacity: 0.8;
    letter-spacing: 1px;
}

/* --- 左下角：媒体管理 --- */
.bottom-left-panel {
    position: absolute;
    bottom: 20px;
    left: 20px;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.4s ease;
    width: 140px;
}

.bottom-left-panel .elegant-btn {
    width: 100%;
}

/* --- 右上角：视图控制 --- */
#top-right-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
    z-index: 50;
}

/* --- 右下角：摄像头 --- */
#webcam-wrapper {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 180px;
    height: 135px;
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 4px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.8);
    overflow: hidden;
    z-index: 20;
    pointer-events: auto;
    background: #000;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#webcam-wrapper.camera-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

#webcam-canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
    display: block;
}

#cam-status {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 6px;
    height: 6px;
    background: #550000;
    border-radius: 50%;
    box-shadow: 0 0 4px #ff0000;
    z-index: 30;
    transition: 0.2s;
}

#cam-status.active {
    background: #00ff00;
    box-shadow: 0 0 6px #00ff00;
}

/* --- 弹窗 --- */
#delete-manager {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    backdrop-filter: blur(4px);
}

#photo-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: 70%;
    height: 60%;
    overflow-y: auto;
    justify-content: center;
    padding: 20px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin: 15px 0;
    background: rgba(20, 20, 20, 0.4);
    border-radius: 4px;
}

.photo-item {
    width: 80px;
    height: 80px;
    position: relative;
    border: 1px solid #d4af37;
    transition: 0.1s;
}

.photo-item:hover {
    transform: scale(1.05);
    border-color: #fff;
}

.photo-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.delete-x {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: #900;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 18px;
    font-size: 12px;
    cursor: pointer;
    font-weight: bold;
    border: 1px solid #fff;
}

.manager-title {
    color: #d4af37;
    font-size: 20px;
    font-family: 'Microsoft YaHei', serif;
    letter-spacing: 2px;
}

/* --- Loader --- */
#loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #050505;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease-out;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-top: 1px solid #d4af37;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loader-text {
    color: #d4af37;
    font-size: 12px;
    letter-spacing: 3px;
    margin-top: 20px;
    font-family: 'Cinzel', serif;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #111;
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 3px;
}

/* --- 移动端适配 (Mobile Responsive) --- */
@media (max-width: 768px) {
    #title-container {
        top: 12%;
        width: 100%;
        transform: translateX(-50%) scale(0.6) !important;
        white-space: nowrap;
        pointer-events: none; /* 防止遮挡下方交互，虽然有 drag 功能，但在手机上可能误触 */
    }

    /* 恢复标题的可交互性，如果用户确实想拖拽 */
    #title-container > * {
        pointer-events: auto;
    }

    #left-sidebar {
        width: 140px;
        top: 10px;
        left: 10px;
        max-height: calc(100vh - 180px); /* 留出底部空间 */
        overflow-y: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        z-index: 25; /* 确保在底部面板之上 */
    }

    #left-sidebar::-webkit-scrollbar {
        display: none;
    }

    .top-left-panel {
        padding: 8px;
        gap: 6px;
    }

    .elegant-btn {
        padding: 5px 8px;
        font-size: 10px;
        min-width: unset;
        letter-spacing: 0;
    }

    .bottom-left-panel {
        width: 120px;
        bottom: 10px;
        left: 10px;
        gap: 5px;
    }

    #top-right-controls {
        top: 10px;
        right: 10px;
        gap: 5px;
    }

    #webcam-wrapper {
        width: 100px;
        height: 75px;
        bottom: 10px;
        right: 10px;
        border-width: 1px;
    }

    #gesture-hint {
        bottom: 90px;
        font-size: 9px;
    }

    #photo-grid {
        width: 95%;
        height: 60%;
        padding: 10px;
        gap: 8px;
    }

    .photo-item {
        width: 60px;
        height: 60px;
    }

    .delete-x {
        width: 16px;
        height: 16px;
        line-height: 14px;
        font-size: 10px;
        right: -5px;
        top: -5px;
    }

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

    /* 优化滑块触摸体验 */
    input[type=range] {
        height: 4px;
    }

    input[type=range]::-webkit-slider-thumb {
        width: 16px;
        height: 16px;
    }
}