:root {
    --primary-color: #007bff;
    --bg-color: #f4f7f6;
    --panel-bg: #ffffff;
    --border-color: #ddd;
    --text-color: #333;
    --success-color: #28a745;
    --error-color: #dc3545;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 1. Top Bar */
.topbar {
    background-color: var(--primary-color);
    color: white;
    padding: 0 20px;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    font-size: 1.4em;
    font-weight: bold;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
}

#agentStatusDot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: gray;
    transition: background-color 0.3s;
}

#agentStatusDot.online { background-color: var(--success-color); box-shadow: 0 0 5px #fff; }
#agentStatusDot.offline { background-color: var(--error-color); }

/* Main Layout - Grid */
.layout {
    display: grid;
    grid-template-columns: 240px 1fr 320px; /* Left | Center | Right */
    gap: 15px;
    padding: 15px;
    flex: 1;
    min-height: 0; /* Important for scroll */
}

/* Panels Common */
.panel {
    background: var(--panel-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.panel-header {
    padding: 12px 15px;
    background: #f9f9fab0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.95em;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.panel-content {
    padding: 15px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 2. Left Panel - Actions */
.action-btn {
    padding: 12px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.action-btn:hover {
    background-color: #f0f8ff;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.action-btn i { width: 20px; text-align: center; }

/* 3. Center Panel - Chat */
#chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

#chatMessages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.5;
    position: relative;
    font-size: 0.95em;
}

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

.message.agent {
    align-self: flex-start;
    background-color: #f1f3f4;
    color: var(--text-color);
    border-bottom-left-radius: 2px;
}

.chat-input-area {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    background: #fff;
}

#chatInput {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    outline: none;
    font-size: 1em;
}

#chatInput:focus { border-color: var(--primary-color); }

#sendBtn {
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
}

#sendBtn:hover { background-color: #0056b3; }

/* 4. Right Panel - Context */
.context-box {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #eee;
    margin-bottom: 10px;
}

.context-label {
    font-size: 0.8em;
    color: #888;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.context-value {
    font-weight: 500;
    color: #333;
    word-break: break-all;
}

.log-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85em;
}

.log-list li {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.log-list li:last-child { border-bottom: none; }

/* Status Colors for OpenSearch */
.status-green { color: var(--success-color); font-weight: bold; }
.status-red { color: var(--error-color); font-weight: bold; }
.status-yellow { color: #ffc107; font-weight: bold; }

/* Responsive */
@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    .leftPanel, .rightPanel {
        max-height: 200px;
    }
}

/* Typing Indicator */
.message.typing {
    background-color: var(--message-agent-bg);
    color: var(--text-color);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 5px;
    width: fit-content;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: #888;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}