:root {
    --bg-main: #0f0f12;
    --bg-card: #16161c;
    --accent: #00b4d8;
    --text: #ffffff;
    --text-muted: #a0a0a5;
    --border-color: #22222a;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-main);
    color: var(--text);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background-color: rgba(22, 22, 28, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-logo span {
    color: var(--accent);
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 25px;
    font-weight: 600;
    transition: color 0.2s;
}

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

/* Main Layout Structure */
.forum-container {
    display: flex;
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.bulletin-feed {
    flex: 3;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

/* Announcement Cards */
.announcement-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.announcement-header h3 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--accent);
}

.meta-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.author-tag {
    background: rgba(0, 180, 216, 0.15);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
    margin-right: 8px;
}

.announcement-body {
    line-height: 1.6;
    color: #e2e2e6;
}

/* Sidebar Styling */
.forum-sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 280px;
}

.sidebar-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.sidebar-box h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.status-indicator {
    display: flex;
    align-items: center;
}

.dot {
    height: 10px;
    width: 10px;
    border-radius: 50%;
    margin-right: 10px;
}

.dot.online {
    background-color: #00ff00;
    box-shadow: 0 0 8px #00ff00;
}

.sidebar-btn {
    display: block;
    background-color: var(--accent);
    color: white;
    text-align: center;
    text-decoration: none;
    padding: 10px;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 15px;
    transition: background 0.2s;
}

.sidebar-btn:hover {
    background-color: #0077b6;
}

footer {
    text-align: center;
    padding: 40px;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .forum-container { flex-direction: column; }
    .navbar { padding: 20px; }
}