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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #000000;
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 15px;
}

.header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.header p {
    color: #888;
    font-size: 14px;
}

.header a {
    color: #f6971d;
    text-decoration: none;
}

.header a:hover {
    text-decoration: underline;
}

.pgp-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    position: relative;
}

.pgp-signature {
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    line-height: 1.4;
    color: #e0e0e0;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
    position: relative;
}

.pgp-signature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.copy-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid rgba(255, 68, 68, 0.3);
    color: #f6971d;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.copy-button:hover {
    background: rgba(255, 68, 68, 0.3);
    border-color: #f6971d;
}

.copy-button.copied {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.info-section {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-section h3 {
    color: #f6971d;
    font-size: 16px;
    margin-bottom: 10px;
}

.info-section p {
    color: #aaa;
    font-size: 14px;
    line-height: 1.5;
}

.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: #888;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.back-link a:hover {
    color: #aaa;
    text-decoration: underline;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .pgp-container {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 24px;
    }

    .logo-image {
        margin-bottom: 12px;
    }

    .pgp-signature {
        font-size: 12px;
        padding: 15px;
    }

    .copy-button {
        position: static;
        margin-top: 15px;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .pgp-signature {
        font-size: 11px;
        padding: 12px;
    }
}

.additional-links {
    text-align: center;
    margin-top: 25px;
    font-size: 12px;
    line-height: 1.4;
}

.subtle-link {
    color: #888;
    text-decoration: none;
    transition: color 0.3s ease;
}

.subtle-link:hover {
    color: #aaa;
    text-decoration: underline;
}

.link-separator {
    color: #666;
    margin: 0 8px;
}

.logo-image {
    width: 250px;
    height: 100px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 6px;
    transition: all 0.3s ease;
}