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

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #000;
    font-family: 'Arial', sans-serif;
}

#canvas-container {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
}

.ui-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.status-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: #00ffff;
    padding: 15px 20px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.8;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.status-panel div {
    margin: 5px 0;
}

.controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

.btn {
    padding: 12px 24px;
    background: rgba(0, 255, 255, 0.2);
    border: 2px solid #00ffff;
    color: #00ffff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn:hover:not(:disabled) {
    background: rgba(0, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.5);
}

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

#video {
    display: none;
}

#canvas {
    display: none;
}

/* 加载动画样式 */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

#loadingOverlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: none !important;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(0, 255, 255, 0.3);
    border-top-color: #00ffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

#loadingOverlay p {
    color: #00ffff;
    font-size: 16px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}