:root {
    --color-bg: #f4f6f8;
    --color-card: #ffffff;
    --color-text: #2c3e50;
    --color-muted: #5a6b7c;
    --color-accent: #006633;
    --color-accent-light: #e6f2ec;
    --color-firefox: #ff7139;
    --color-firefox-hover: #e66029;
    --color-copy: #4a5568;
    --color-copy-hover: #2d3748;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --radius: 16px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.container {
    width: 100%;
    max-width: 560px;
}

.card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2.5rem 2rem;
    text-align: center;
}

.shield {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.25rem;
    background: var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-icon {
    font-size: 2.5rem;
    line-height: 1;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.domain {
    font-size: 1rem;
    color: var(--color-muted);
    word-break: break-all;
    margin-bottom: 1.5rem;
}

.message {
    text-align: left;
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.message p + p {
    margin-top: 0.75rem;
}

.message code {
    background: rgba(0, 102, 51, 0.1);
    color: var(--color-accent);
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-size: 0.95em;
    font-family: Consolas, Monaco, "Courier New", monospace;
}

.http-link {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: underline;
    word-break: break-all;
    margin-bottom: 1.5rem;
}

.http-link:hover,
.http-link:focus {
    color: #004d26;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-icon {
    font-size: 1.1rem;
}

.btn.firefox {
    background: var(--color-firefox);
    color: #ffffff;
}

.btn.firefox:hover,
.btn.firefox:focus {
    background: var(--color-firefox-hover);
}

.btn.copy {
    background: var(--color-copy);
    color: #ffffff;
}

.btn.copy:hover,
.btn.copy:focus {
    background: var(--color-copy-hover);
}

footer {
    border-top: 1px solid #e2e8f0;
    padding-top: 1.25rem;
    font-size: 0.875rem;
    color: var(--color-muted);
}

@media (max-width: 480px) {
    .card {
        padding: 1.75rem 1.25rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}