:root {
    --glass-bg: rgba(255,255,255,0.08);
    --glass-border: rgba(255,255,255,0.25);
    --text-color: #eef4ff;
    --blur: 18px;
    --radius: 20px;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(90deg, #ff5f6d, #ffc371, #36d1dc, #5b86e5);
    background-size: 800% 800%;
    animation: bgShift 20s ease infinite;
    overflow: hidden;
}

@keyframes bgShift {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 25px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur)) saturate(150%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(150%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 40px rgba(0,0,0,0.25);
    max-width: 400px;
    width: 90%;
    position: relative;
    overflow: hidden;
    text-align: center;
}

h1.hero, .sub {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 12px;
    padding: 8px 12px;
    color: var(--text-color);
    margin: 6px 0;
}

.audio-player {
    width: 100%;
    padding: 12px 20px;
    border-radius: 40px; /* oval shape */
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.audio-player audio {
    width: 100%;
    outline: none;
    background: transparent;
    border-radius: 30px;
    padding: 4px 0;
}

.glass-element {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 12px 18px;
    color: var(--text-color);
    margin-top: 10px;
    width: 100%;
    text-align: center;
}

.liquid-blob {
    position: absolute;
    width: 300px;
    height: 300px;
    top: -20%;
    right: -10%;
    border-radius: 42% 58% 60% 40% / 50% 40% 60% 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.12), transparent 25%),
                radial-gradient(circle at 70% 70%, rgba(255,255,255,0.08), transparent 30%);
    filter: blur(30px) saturate(140%);
    opacity: 0.55;
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg) scale(1);}
    50% { transform: translateY(-12px) rotate(6deg) scale(1.02);}
    100% { transform: translateY(0) rotate(0deg) scale(1);}
}

::-webkit-scrollbar { display: none; }