body {
        display: block;
        justify-content: center;
        align-items: center;
        height: 100vh;
        background-color: #212529;
        margin: 0; /* Ensure no margin around the body */
    }

    .button-container {
         position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%; /* Ensure full width on small screens */
        height: 100%; /* Ensure full height on small screens */
    }

    .start-button {
        width: 180px;
        height: 180px;
        border-radius: 50%;
        border: 6px solid #007bff;
        background: transparent;
        color: white;
        font-size: 21px;
        font-weight: bold;
        text-align: center;
        line-height: 170px;
        cursor: pointer;
        transition: 0.3s ease-in-out;
        animation: fadeIn 1s;
    }

    .start-button:hover {
        background: rgba(0, 123, 255, 0.2);
    }

    .hidden {
        display: none;
    }

    /* Modern AI-style Loader */
    .animation-container {
        display: none;
        position: relative;
        width: 180px;
        height: 180px;
    }

    .ring {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        border: 4px solid transparent;
        border-top-color: #00bfff;
        border-right-color: #00bfff;
        animation: spin 1s linear infinite, glow 1.5s alternate infinite;
        position: absolute;
        top: 0;
        left: 0;
    }

    .pulse {
        position: absolute;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: rgba(0, 191, 255, 0.2);
        animation: pulse 1.5s ease-in-out infinite;
    }

    /* Line Chart Inside */
    .chart-container {
        position: absolute;
        width: 140px;
        height: 50px;
        top: 65px;
        left: 50%;
        transform: translateX(-50%);
        overflow: hidden;
    }

    .chart-line {
        stroke: #00ffcc;
        stroke-width: 2;
        fill: none;
    }

    /* Animations */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    @keyframes glow {
        0% { box-shadow: 0 0 10px rgba(0, 191, 255, 0.5); }
        100% { box-shadow: 0 0 20px rgba(0, 191, 255, 1); }
    }

    @keyframes pulse {
        0% { transform: scale(1); opacity: 0.6; }
        100% { transform: scale(1.3); opacity: 0; }
    }

    .text-success {
    color: green;
    }

    .text-danger {
        color: red;
    }


    
    .holder-color {
    color: white; /* Text color */
}

.holder-color::placeholder {
        color: white !important; /* Force white color */
        opacity: 1 !important; /* Ensure full visibility */

}