/* ===== CSS Variables ===== */
:root {
    --bg: #0b0f14;
    --surface: #111823;
    --text: #e6edf3;
    --text-muted: #9aa4b2;
    --accent: #56ff00;
    --link: #00d2ff;
    --link-hover: #7dd3fc;
    --border: #1f2a37;
    --aside: #4A535E;
    --header: #FF00FF;
}

/* ===== Base ===== */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg);
    font-family: 'Oxanium', sans-serif;
    color: var(--text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ===== Navigation ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
}

.nav-brand a {
    color: var(--text);
    font-size: 1.2rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

/* ===== Layout ===== */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ===== Typography ===== */
h2 {
    color: var(--accent);
    text-align: left;
    margin-bottom: 24px;
}

p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
}

b, strong {
    color: var(--text);
}

aside {
    color: var(--aside);
    padding-left: 12px;
}

h3 {
    color: var(--accent);
}

h4 {
    color: var(--accent);
}

/* ===== Lists ===== */
ul {
    color: var(--text-muted);
    padding-left: 24px;
}

.work-list li {
    margin-bottom: 12px;
}

/* ===== Blog ===== */
.intro {
    margin-bottom: 32px;
}

.post-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.post-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s ease;
}

.post-card:hover {
    border-color: var(--accent);
}

.post-card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.post-card h3 a {
    color: var(--text);
}

.post-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0 0 12px;
}

.post-excerpt {
    margin: 0;
}

/* ===== Single Post ===== */
.post {
    max-width: 650px;
}

.post-content {
    margin: 32px 0;
}

.post-content p {
    margin-bottom: 20px;
}

.back-link {
    display: inline-block;
    margin-top: 24px;
    color: var(--text-muted);
}

.back-link:hover {
    color: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 12px;
    }

    .container {
        padding: 24px 16px;
    }
}

.post-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.post-card-link:hover .post-card {
    border-color: var(--accent);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

mark {
    background: transparent;
    color: #a78bfa;
    font-weight: 600;
    padding: 0 2px;
}

/* ===== Details/Summary Styling ===== */
details {
    margin: 16px 0;
}

summary {
    cursor: pointer;
    padding: 8px 0;
    font-weight: 600;
    color: var(--text-muted);
    list-style: none;
    transition: color 0.2s ease;
}

summary:hover {
    color: var(--accent);
}

summary::-webkit-details-marker {
    display: none;
}

summary::before {
    content: "▶";
    display: inline-block;
    margin-right: 8px;
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s ease, color 0.2s ease;
}

summary:hover::before {
    color: var(--accent);
}

details[open] summary::before {
    transform: rotate(90deg);
    color: var(--accent);
}

details > p,
details > div {
    padding: 8px 0 8px 20px;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

article table {
  border-collapse: collapse;
  width: 100%;
}

article th,
article td {
  border: 1px solid #ccc;
  padding: 0.5rem 0.75rem;
  color: var(--text-muted);
}

article th {
  font-weight: bold;
  color: var(--accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2rem auto;
}