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

html,
body {
    height: 100%;
    width: 100%;
}

main {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0f1a1f;
}

.card {
    width: 450px;
    background: #1a2b32;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    padding: 30px;
}

p {
    color: #e6f4f1;
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.outer {
    width: 100%;
    height: 2rem;
    background: #0d1417;
    padding: 2px;
    border-radius: 20px;
}

.inner {
    width: 0%;
    height: 100%;
    background: #00c4b3;
    border-radius: 20px;
    box-shadow: 0 0 15px #00c4b3;
    transition: width 0.1s linear;
}

.bottom {
    margin-top: 30px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bottom h2 {
    color: #e6f4f1;
    font-size: 2rem;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background: #00a89c;
    color: #ffffff;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

button:hover {
    background: #00bfb0;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid #fff;
    border-top: 3px solid #0f1a1f;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
    }
    100% {
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    }
}