*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --bg: #0b0d10;
    --container: #101217;
    --text: #e6eef8;
    --muted: #9fa6ac;
    --container-border: rgba(255,255,255,0.03);
    --shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
}

html, body {
    height: 100%;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text);
    background-color: var(--bg);
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    margin: 0;
    text-align: center;
    padding: 1rem;
}

.container {
    background-color: var(--container);
    color: var(--text);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem;
    width: calc(100% - 4rem);
    max-width: 900px;
    box-shadow: var(--shadow);
    border: 1px solid var(--container-border);
}

.avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 1.25rem auto 0;
    border: 3px solid rgba(255,255,255,0.04);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.social-icons {
    margin-top: 1rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    display: inline-block;
    border-radius: 8px;
    padding: 6px;
    background: rgba(255,255,255,0.02);
    transition: transform 0.15s ease, background 0.15s ease;
}

.social-icon:hover {
    transform: translateY(-3px);
    background: rgba(255,255,255,0.04);
}