body {
    margin: 0;
    padding: 0;
    background-image: url("../assets/images/bg1.jpeg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    font-family: Arial, sans-serif;
    min-height: 100vh;
}

* {
    box-sizing: border-box;
}

/* Main container */
.container {
    width: 95%;
    max-width: 450px;
    margin: 40px auto;
    padding: 3vw;
    background: rgba(240, 240, 240, 0.95);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Canvas wrapper */
.canvas-wrapper {
    width: 100%;
    overflow: hidden;
    margin-bottom: 20px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
}

canvas {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Buttons */
button {
    margin-top: 15px;
    padding: 0.8rem 1.2rem;
    background: #e53935;
    border: none;
    color: #fff;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    touch-action: manipulation;
    transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
    background: #c62828;
    transform: translateY(-2px);
}

.glow-text {
    padding: 12px 20px;
    font-size: 1.3rem;
    font-weight: bold;
    color: white;
    background: black;
    border-radius: 8px;
    animation: pulseGlow 2s infinite;

    margin: 3.5vw;
    text-align: center;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0px rgba(255, 50, 50, 0.6); }
    50% { box-shadow: 0 0 20px rgba(255, 50, 50, 1); }
    100% { box-shadow: 0 0 0px rgba(255, 50, 50, 0.6); }
}


.share-btn {
    position: fixed;
    bottom: 25px;
    right: 20px;
    background: #e53935;
    color: #fff;
    padding: 14px 22px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.25);
    z-index: 9999;
    transition: transform 0.2s ease, background 0.3s ease;
}

.share-btn:hover {
    background: #c62828;
    transform: scale(1.05);
}



/* Small phones */
@media (max-width: 399px) {
    body {
        background-attachment: scroll;
    }

    .container {
        width: 90%;
        padding: 1.8vw;
        margin: 4vw auto;
    }

    button {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
    .share-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        bottom: 20px;
        right: 15px;
    }
    .glow-text {
        font-size: 1.1rem;
    }
}


/* Mobile phones */
@media (max-width: 480px) {
    body {
        background-attachment: scroll !important;
    }
    .container {
        width: 90%;
        padding: 2vw;
        margin: 4vw auto;  /* centers horizontally */
    }
    button {
        font-size: 0.9rem;
        padding: 0.7rem 1rem;
    }
    .download-share {
        font-size: 1rem;
    }
    .share-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        bottom: 20px;
        right: 15px;
    }
    .glow-text {
        font-size: 1.1rem;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .container {
        width: 90%;
        padding: 3vw;
         margin: 4vw auto;  /* centers horizontally */
    }
    body {
        background-attachment: scroll !important;
    }
    .download-share {
        font-size: 1.2rem;
    }
    button {
        font-size: 1rem;
        padding: 0.9rem 1.2rem;
    }
    .share-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        bottom: 20px;
        right: 15px;
    }
    .glow-text {
        font-size: 1.2rem;
    }
}