/* assets/css/style.css */
body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    background: #f0f2f5;
    margin: 0;
    padding: 20px;
}
.install-container, .admin-container, .login-box {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: 40px auto;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
.btn {
    display: inline-block;
    padding: 8px 16px;
    background: #e0e0e0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    color: #333;
    margin: 2px;
}
.btn-danger {
    background: #dc3545;
    color: white;
}
.btn-primary {
    background: #4a6fa5;
    color: white;
}
.btn-success {
    background: #28a745;
    color: white;
}
.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}
.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.required { color: red; }
fieldset {
    margin-bottom: 20px;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 4px;
}
legend {
    font-weight: bold;
    padding: 0 8px;
}

/* 聊天气泡 */
.message-bubble { margin-bottom: 10px; display: flex; }
.message-bubble.user { justify-content: flex-end; }
.message-bubble .bubble {
    max-width: 75%;
    padding: 8px 12px;
    border-radius: 12px;
    background: #e0e0e0;
    word-wrap: break-word;
}
.message-bubble.agent .bubble { background: #d1e7ff; }
.message-bubble.user .bubble { background: #c8e6c9; }
.message-time { font-size: 0.7em; color: #666; margin-top: 4px; }

/* 导航按钮栏 */
.nav-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 5px 10px;
    border-bottom: 1px solid #ddd;
    background: #fafafa;
}
.nav-btn {
    background: #eee;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.9em;
}
.nav-btn:hover {
    background: #ddd;
}
/* 声音开关提示 */
.sound-toggle {
    display: inline-block;
    cursor: pointer;
    font-size: 0.9em;
}