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

body {
    font-family: 'Comic Sans MS', 'Chalkboard', cursive, sans-serif;
    background: #000;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#webcam {
    position: fixed;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

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

#overlay-ui {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 10;
    opacity: 0.8;
    transition: opacity 0.3s;
}

#overlay-ui:hover {
    opacity: 1;
}

.party-info {
    display: flex;
    gap: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 30px;
    color: #fff;
    font-size: 0.9rem;
}

.party-info span {
    white-space: nowrap;
}

.action-btn {
    padding: 10px 24px;
    font-size: 1rem;
    font-family: inherit;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.loading-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.5rem;
    text-align: center;
    z-index: 20;
}

.loading-message .spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

:fullscreen #overlay-ui {
    display: none;
}