/* Global layout */
body {
    margin: 0;
    padding: 0;
    background: #0d0d0d;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

#app {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
#sidebar {
    width: 260px;
    background: #111;
    border-right: 2px solid #0ff;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

#sidebar h2 {
    margin-top: 0;
    color: #0ff;
    font-size: 22px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tabs */
.tab {
    padding: 10px 12px;
    margin-bottom: 8px;
    background: #1a1a1a;
    border: 1px solid #0ff;
    cursor: pointer;
    transition: 0.2s;
}

.tab:hover {
    background: #0ff;
    color: #000;
}

.tab.active {
    background: #0ff;
    color: #000;
    font-weight: bold;
}

/* Panels */
.panel {
    display: none;
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.panel.active {
    display: block;
}

/* Activity Log */
#activity-log {
    background: #0b0b0b;
    border: 1px solid #0ff;
    padding: 10px;
    height: 200px;
    overflow-y: auto;
    font-size: 14px;
}

.log-entry {
    padding: 6px 4px;
    border-bottom: 1px solid #222;
}

/* Video Panel */
#local-video {
    width: 100%;
    max-width: 480px;
    border: 2px solid #0ff;
    background: #000;
}

.video-controls {
    margin-top: 10px;
}

.video-controls button {
    padding: 10px 14px;
    margin-right: 10px;
    background: #0ff;
    border: none;
    cursor: pointer;
    color: #000;
    font-weight: bold;
    transition: 0.2s;
}

.video-controls button:hover {
    background: #00cccc;
}

/* User List */
#user-list {
    margin-top: 20px;
    padding: 10px;
    background: #111;
    border: 1px solid #0ff;
}

.user {
    padding: 8px;
    margin-bottom: 6px;
    background: #1a1a1a;
    border: 1px solid #0ff;
}

/* Buttons */
button {
    padding: 10px 14px;
    background: #0ff;
    border: none;
    cursor: pointer;
    color: #000;
    font-weight: bold;
    transition: 0.2s;
}

button:hover {
    background: #00cccc;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0d0d0d;
}

::-webkit-scrollbar-thumb {
    background: #0ff;
}

::-webkit-scrollbar-thumb:hover {
    background: #00cccc;
}