html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /*min-height: 100vh;*/
    height: 100vh;
}

main {
    flex: 10;
    overflow: auto;
}

:root {
    /* Light theme variables */
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #2563eb;
    --secondary-bg: #f3f4f6;
    --border-color: #e5e7eb;
}

/* Dark theme variables */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #e5e5e5;
        --accent-color: #3b82f6;
        --secondary-bg: #2a2a2a;
        --border-color: #404040;
    }
}

/* Dark theme class (for toggle) */
:root.dark-theme {
    --bg-color: #1a1a1a;
    --text-color: #e5e5e5;
    --accent-color: #3b82f6;
    --secondary-bg: #2a2a2a;
    --border-color: #404040;
}

/* Light theme class (for toggle) */
:root.light-theme {
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #2563eb;
    --secondary-bg: #f3f4f6;
    --border-color: #e5e7eb;
}

* {
    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-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: var(--secondary-bg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-right: 2rem;
    padding: 0.5rem 0;
}

nav a.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-color);
}

#theme-toggle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.sun-icon {
    display: none;
}

.dark-theme .moon-icon {
    display: none;
}

.dark-theme .sun-icon {
    display: inline;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

dl {
    margin: 1rem 0;
}

dt {
    font-weight: bold;
    color: var(--accent-color);
    margin-top: 1rem;
}

dd {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    text-decoration: underline;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

h2 {
    font-size: 1.8rem;
    margin: 1.5rem 0 1rem;
    color: var(--accent-color);
}

p {
    margin-bottom: 1rem;
}

.resume-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.skills-container {
    margin: 1rem 0;
}

.skill-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    margin: 0.2rem;
    background-color: var(--secondary-bg);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.skill-tag:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

hr.section-divider {
    margin-top: 2rem;
    margin-bottom: 2rem;
    color: var(--border-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
}