@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@100;300;400&display=swap');

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #030008;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
    color: white;
}

#app-root {
    width: 100%;
    height: 100%;
}

#visual-canvas {
    position: absolute;
    top: 0; left: 0;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#start-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(3, 0, 8, 0.9);
    z-index: 100;
}

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

#start-btn {
    padding: 20px 40px;
    background: transparent;
    border: 1px solid rgba(255, 100, 255, 0.4);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.5s ease;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 300;
}

#start-btn:hover {
    background: rgba(255, 100, 255, 0.1);
    border-color: rgba(255, 150, 255, 0.8);
    box-shadow: 0 0 30px rgba(200, 50, 255, 0.4);
}

.overlay-text {
    position: absolute;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
    letter-spacing: 8px;
    text-transform: uppercase;
    z-index: 10;
    font-weight: 100;
}

#ui-layer {
    transition: opacity 1.5s ease-in-out;
    opacity: 1;
}

#ui-layer.hidden {
    opacity: 0;
    pointer-events: none;
}

.top-title {
    top: 50px;
    font-size: 1.0rem;
}

.bottom-title {
    bottom: 50px;
    font-size: 0.8rem;
}

.hue-controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 10;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 2px;
}

.hue-controls input[type="range"] {
    width: 150px;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.hue-controls input[type="range"]:hover {
    opacity: 1;
}