:root {
    --primary-color: #2c0b4f; /* Deep Purple */
    --accent-color: #ffc107;  /* Gold */
    --text-light: #f8f9fa;
    --sidebar-width: 280px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    overflow-x: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: var(--primary-color);
    color: var(--text-light);
    transition: all 0.3s;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    background: rgba(0,0,0,0.2);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-menu {
    flex-grow: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-link {
    color: rgba(255,255,255,0.8);
    padding: 12px 20px;
    font-size: 16px;
    border-left: 4px solid transparent;
}

.nav-link:hover, .nav-link.active {
    background: rgba(255,255,255,0.1);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

/* Profile Section in Sidebar */
.sidebar-profile {
    padding: 20px;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.wallet-badge {
    background: var(--accent-color);
    color: #000;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 5px;
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
    transition: all 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { margin-left: calc(-1 * var(--sidebar-width)); }
    .sidebar.active { margin-left: 0; }
    .main-content { margin-left: 0; }
}

/* Jitsi Video Container */
#video-container {
    height: 600px;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}