:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --danger-color: #ef4444;
    --user-msg-bg: #334155;
    --agent-msg-bg: #1e40af;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.app-container {
    width: 100%;
    max-width: 1400px;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.status-indicator {
    padding: 6px 12px;
    background-color: var(--card-bg);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-indicator::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.status-indicator.connected::before {
    background-color: #22c55e;
    box-shadow: 0 0 8px #22c55e;
}

main {
    display: flex;
    gap: 20px;
    flex: 1;
    min-height: 0; /* Important for flex scrolling */
}

.video-container {
    flex: 2;
    background-color: #000;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder {
    color: var(--text-secondary);
}

.transcript-container {
    flex: 1;
    background-color: var(--card-bg);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.transcript-header {
    padding: 16px;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background-color: rgba(0, 0, 0, 0.2);
}

.transcript-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 90%;
    animation: fadeIn 0.3s ease;
}

.message.user {
    align-self: flex-end;
    background-color: var(--user-msg-bg);
    border-bottom-right-radius: 2px;
}

.message.agent {
    align-self: flex-start;
    background-color: var(--agent-msg-bg);
    border-bottom-left-radius: 2px;
}

.message.system {
    align-self: center;
    background-color: transparent;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.85rem;
}

.message .role {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
    display: block;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

button {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 1rem;
}

.primary-btn {
    background-color: var(--accent-color);
    color: white;
}

.primary-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.secondary-btn {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.secondary-btn:disabled {
    opacity: 0.5;
    cursor: get_cursor;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}