:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --link-color: #0000ee;
    --meta-color: #666666;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --max-width: 720px; 
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #111111;
        --text-color: #f0f0f0;
        --link-color: #66b3ff;
        --meta-color: #888888;
    }
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-stack);
    font-size: 19px; 
    line-height: 1.6;
    margin: 0;
    padding: 3rem 1.5rem;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

header {
    margin-bottom: 0; 
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 0.75rem;
}

@media (prefers-color-scheme: dark) {
    header { border-bottom-color: #333; }
}

h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    letter-spacing: -0.02em;
}

/* Nav Container */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Tab Buttons */
.tabs {
    display: flex;
    gap: 1.25rem;
    font-size: 1.1rem;
}

.tabs button {
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    color: var(--meta-color);
    font-weight: 400;
}

.tabs button:hover {
    color: var(--text-color);
    text-decoration: underline;
}

.tabs button.active {
    color: var(--text-color);
    font-weight: 700; 
}

/* Icons Group */
.icons {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    position: relative; /* Needed for tooltip positioning */
}

/* Apply styles to both Links and the Email Button */
.icons a, .icons button {
    color: var(--text-color);
    display: flex;
    opacity: 0.7;
    transition: opacity 0.2s;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.icons a:hover, .icons button:hover {
    opacity: 1;
}

.icons svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

/* Copy Feedback Tooltip */
#copy-feedback {
    position: absolute;
    right: 100%; /* Push it to the left of the icons */
    margin-right: 1rem;
    font-size: 0.9rem;
    color: var(--meta-color);
    opacity: 0;
    pointer-events: none; /* Allows clicking through it if needed */
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

#copy-feedback.visible {
    opacity: 1;
}

/* SECTIONS */
section { display: none; padding-top: 1.5rem; }
section.active { display: block; }

p { 
    margin-bottom: 1.25rem;
    margin-top: 0; 
}

a.text-link {
    color: var(--text-color);
    text-decoration: underline;
    text-decoration-color: #ccc;
    text-underline-offset: 3px;
}

a.text-link:hover {
    text-decoration-color: var(--text-color);
    background-color: #f0f0f0;
}
@media (prefers-color-scheme: dark) {
    a.text-link:hover { background-color: #222; }
}

/* Project List */
.project-item { margin-bottom: 2.25rem; }

.project-header {
    display: flex;
    flex-direction: column; 
    align-items: flex-start;
    gap: 0.2rem;
    margin-bottom: 0.25rem;
}

.project-title {
    font-size: 1.25rem; 
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.project-title:hover { text-decoration: underline; }

.project-desc {
    color: var(--meta-color);
    font-size: 1.05rem; 
    margin-top: 0;
    line-height: 1.5;
}