@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --primary: #00f2fe;
    --secondary: #4facfe;
    --accent: #7000ff;
    --bg-dark: #0a0b1e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.6);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at top left, #1a1c3a, #0a0b1e);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

.background-blur {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blur-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
}

.blur-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation: float 20s infinite alternate;
}

.blur-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -50px;
    left: -50px;
    animation: float 15s infinite alternate-reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.container {
    width: 90%;
    max-width: 800px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
    position: relative;
    z-index: 10;
}

h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
    filter: drop-shadow(0 0 20px rgba(0, 242, 254, 0.3));
}

p.subtitle {
    color: var(--text-dim);
    font-size: 1.2rem;
    margin-bottom: 40px;
    font-weight: 300;
}

#container_status {
    margin: 20px 0;
    padding: 15px;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
}

.status-loading {
    color: var(--text-dim);
}

.status-ready {
    color: #4ade80;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

button {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    color: white;
    border: none;
    padding: 12px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 20px -5px rgba(112, 0, 255, 0.4);
    opacity: 0.8;
}

button:not(:disabled):hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px -5px rgba(112, 0, 255, 0.6);
    opacity: 1;
}

button:active {
    transform: translateY(-1px);
}

button:disabled {
    background: #333;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.5;
}

#container_canvas {
    margin-top: 30px;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

canvas {
    width: 100%;
    display: block;
    image-rendering: pixelated;
    /* Often better for these spectrum visualizers */
}

footer {
    margin-top: 40px;
    padding-bottom: 20px;
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border 0.3s;
}

footer a:hover {
    border-bottom-color: var(--primary);
}

.github-icon {
    vertical-align: middle;
    margin-left: 5px;
    fill: currentColor;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}