:root {
    --whatsapp-green: #4B602F;
    --background-color: #f0f2f5;
}

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: var(--background-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.container {
    text-align: center;
    padding: 20px;
    background: var(--background-color);
    max-width: 90%;
    width: 400px;
    position: fixed;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
}

h1 {
    color: #1a1a1a;
    margin-bottom: 15px;
    font-size: 24px;
}

p {
    color: #666;
    margin-bottom: 25px;
    font-size: 16px;
    line-height: 1.5;
}

.share-button {
    background: var(--whatsapp-green);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 0;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    margin: 20px 0;
    width: 200px;
    transition: transform 0.2s, background-color 0.2s;
}

.share-button:hover {
    transform: scale(1.05);
    background-color: #4B602F;
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.error-message {
    color:  #7C1A1D;
    margin-top: 10px;
    font-size: 14px;
}