:root {
    --bg-color: #000000;
    --card-bg: #0a0a0a;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --border-color: #27272a;
    --font-family: monospace, 'Courier New', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    padding: 0 1rem;
}

header, main {
    max-width: 800px;
    margin: 0 auto;
}

hr {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 2rem 0;
}

header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ffffff;
    text-decoration: underline;
}

nav a strong {
    color: #ffffff;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

#auth-nav-container {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--text-muted);
}

#auth-nav-container strong {
    color: #ffffff;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.hero p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

a#write-btn, button, .btn {
    display: inline-block;
    background-color: #ffffff;
    color: #000000;
    padding: 0.6rem 1.2rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #ffffff;
    cursor: pointer;
}

a#write-btn:hover, button:hover, .btn:hover {
    background-color: #000000;
    color: #ffffff;
    border-color: #ffffff;
}

#logout-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
}

#logout-btn:hover {
    background-color: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.recent-posts h2 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    border-left: 3px solid #ffffff;
    padding-left: 0.5rem;
}

.post-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.post-card:hover {
    border-color: #ffffff;
}

.post-card h3 {
    margin-bottom: 0.5rem;
}

.post-card h3 a {
    color: #ffffff;
    text-decoration: none;
}

.post-card h3 a:hover {
    text-decoration: underline;
}

.post-card p {
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.post-card small {
    color: #71717a;
    font-size: 0.8rem;
}

@media (max-width: 600px) {
    #auth-nav-container {
        margin-left: 0;
        width: 100%;
        margin-top: 0.5rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }
}