body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to right, #2e1a47, firebrick);
    color: white;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1rem;
}

.container {
    position: relative;
    text-align: center;
    background-color: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 400px;
}





input, button {
    margin: 0.4rem;
    padding: 0.6rem;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
}

button {
    background-color: #2e1a60;
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #42247a;
    transform: scale(1.05);
}

.glass-container {
    margin: 2rem 0;
}

.glass-outline {
    width: 120px;
    height: 260px;
    margin: 0 auto;
    border: 3px solid #fff;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.glass-fill {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: linear-gradient(to top, #00bfff, #33ccff);
    transition: height 0.6s ease;
    height: 0%;
}

.glass-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
    font-size: 1.2em;
    z-index: 1;
}

#celebration {
    font-size: 1.3rem;
    margin-top: 1rem;
    animation: pop 1s ease-in-out infinite alternate;
    color: gold;
}

.hidden {
    display: none;
}

@keyframes pop {
    0% { transform: scale(1); }
    100% { transform: scale(1.2) rotate(2deg); }
}

.settings-icon {
    position: absolute;
    top: 10px;
    right: 10px;
}

.settings-icon button {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
}

.back-button-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
}

.back-button {
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
}