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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

.container {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 700px;
    width: 90%;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    position: relative;
}

.success-icon .checkmark {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #4ade80;
    position: relative;
    animation: scaleIn 0.4s ease-out 0.2s both;
}

.logo-icon {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #6366f1;
    position: relative;
    animation: scaleIn 0.4s ease-out 0.2s both;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: white;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }

    to {
        transform: scale(1);
    }
}

.checkmark::after {
    content: '';
    position: absolute;
    width: 30%;
    height: 50%;
    border: solid white;
    border-width: 0 5px 5px 0;
    left: 35%;
    top: 20%;
    transform: rotate(45deg);
}

h1 {
    color: #1f2937;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

p {
    color: #6b7280;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.instructions {
    background: #f3f4f6;
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1.5rem;
    text-align: left;
}

.instructions h3 {
    color: #1f2937;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.instructions code {
    background: #e5e7eb;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: block;
    margin: 0.5rem 0;
    padding: 0.75rem;
    white-space: pre-wrap;
}

.footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #9ca3af;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    border-top-color: #6366f1;
    animation: spin 1s ease-in-out infinite;
    margin-left: 0.5rem;
    vertical-align: middle;
}

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

.link {
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
}

.link:hover {
    text-decoration: underline;
}