* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    color: #667eea;
    font-size: 2rem;
}

header p {
    color: #666;
    margin-top: 5px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h2 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.chat-container {
    height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 5px;
    margin-bottom: 15px;
}

.message {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.message.user {
    background: #667eea;
    color: white;
}

.message.bot {
    background: #e3f2fd;
}

.message-content {
    line-height: 1.6;
}

.message-source {
    font-size: 0.8rem;
    color: #666;
    margin-top: 5px;
    font-style: italic;
}

input[type="text"],
input[type="datetime-local"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 1rem;
}

button {
    width: 100%;
    padding: 12px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #5568d3;
}

button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #f5f5f5;
}

.status-badge {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    display: inline-block;
}

.status-badge.active {
    background: #4caf50;
    color: white;
}

.status-badge.inactive {
    background: #f44336;
    color: white;
}

.file-input {
    border: 2px dashed #ddd;
    padding: 20px;
    text-align: center;
    border-radius: 5px;
    cursor: pointer;
}

.file-input:hover {
    border-color: #667eea;
    background: #f9f9f9;
}