:root {
    --bg-color: #f6f6f7;
    --card-bg: #ffffff;
    --text-main: #2e2e33;
    --text-muted: #606063;
    --accent: #3b82f6;
    --border: #e2e2e3;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #18191a;
        --card-bg: #242526;
        --text-main: #e4e6eb;
        --text-muted: #b0b3b8;
        --border: #3e4042;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 480px;
    text-align: center;
}

.profile {
    margin-bottom: 40px;
}

.avatar-placeholder {
    font-size: 3rem;
    margin-bottom: 15px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.tagline {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.bio {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    text-align: left;
}

.link-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.icon {
    font-size: 1.5rem;
    margin-right: 16px;
}

.text strong {
    display: block;
    font-size: 1rem;
}

.text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

footer {
    margin-top: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.avatar-code {
    font-family: 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--card-bg);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    border: 2px solid var(--border);
    margin: 0 auto 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    letter-spacing: -1px;
}

@media (prefers-color-scheme: dark) {
    .avatar-code {
        background: #1e1e1e;
        border-color: #333;
    }
}