:root {
    color-scheme: light dark;

    --color-bg: light-dark(#f0f2f5, #121212);
    --color-surface: light-dark(#ffffff, #1e1e1e);

    --color-text: light-dark(#333333, #e4e6eb);
    --color-text-secondary: light-dark(#555555, #a3a3a3);
    --color-text-muted: light-dark(#444444, #b3b3b3);

    --color-heading: light-dark(#111111, #ffffff);
    --color-heading-secondary: light-dark(#222222, #f0f0f0);

    --color-accent: light-dark(#0366d6, #58a6ff);

    --color-shadow: light-dark(rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.4));
    --color-border: light-dark(#d0d7de, #444444);

    --color-btn-bg: light-dark(#f0f2f5, #2d2d2d);
    --color-btn-bg-hover: light-dark(#e1e4e8, #3a3a3a);
    --color-btn-text: light-dark(#333333, #cccccc);
}

body {
    font-family: system-ui, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
}

.profile-card {
    max-width: 500px;
    width: 100%;
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--color-shadow);
}

header {
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

h1 {
    margin: 0 0 0.2rem 0;
    font-size: 1.8rem;
    color: var(--color-heading);
}

.title {
    margin: 0;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 1.1rem;
}

.bio p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.links h2 {
    font-size: 1.2rem;
    color: var(--color-heading-secondary);
    margin-bottom: 1.2rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.contact-list a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.contact-list a:hover {
    text-decoration: underline;
}

.email-address {
    user-select: all;
    cursor: text;
    color: var(--color-heading);
    font-weight: 500;
}

.mailto-btn {
    margin-left: auto;
    font-size: 0.85rem;
    padding: 0.3rem 0.6rem;
    background-color: var(--color-btn-bg);
    color: var(--color-btn-text) !important;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    text-decoration: none !important;
    transition: background-color 0.2s;
}

.mailto-btn:hover {
    background-color: var(--color-btn-bg-hover);
}