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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

.migration-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #2d3436;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.message {
    margin-bottom: 2rem;
    color: #636e72;
    line-height: 1.6;
}

.message p {
    margin-bottom: 0.5rem;
}

.important-notice {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #fff8e1;
    border-radius: 12px;
    border: 2px solid #ffd54f;
}

.warning {
    color: #e65100;
    font-weight: 600;
    margin-bottom: 1rem;
}

.highlight {
    color: #d32f2f;
    font-weight: 700;
    font-size: 1.2em;
}

.bookmark-info {
    margin-top: 1rem;
    padding: 1rem;
    background: #f5f5f5;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.new-url {
    color: #1976d2;
    font-family: monospace;
    font-size: 1.1em;
    word-break: break-all;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #fff;
    border: 1px solid #1976d2;
    color: #1976d2;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: #1976d2;
    color: white;
}

.copy-icon {
    font-size: 1.2em;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: #0984e3;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 1rem 0;
}

.cta-button:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.arrow {
    margin-left: 8px;
    font-size: 1.2em;
}

.countdown {
    margin-top: 2rem;
    color: #636e72;
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .migration-content {
        padding: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .bookmark-info {
        flex-direction: column;
    }

    .new-url {
        font-size: 0.9em;
    }
}